{"id":73952,"date":"2026-02-08T20:49:13","date_gmt":"2026-02-08T12:49:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/73952.html"},"modified":"2026-02-08T20:49:13","modified_gmt":"2026-02-08T12:49:13","slug":"spice%e6%ba%90%e7%a0%81%e5%88%86%e6%9e%90%ef%bc%88%e5%85%ab%ef%bc%89%ef%bc%9ared-worker%e4%b8%8e%e4%b8%bb%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%88reds%ef%bc%89%e5%ae%9e%e7%8e%b0%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/73952.html","title":{"rendered":"SPICE\u6e90\u7801\u5206\u6790\uff08\u516b\uff09\uff1aRed Worker\u4e0e\u4e3b\u670d\u52a1\u5668\uff08Reds\uff09\u5b9e\u73b0\u5206\u6790"},"content":{"rendered":"<p>\u672c\u6587\u5206\u6790SPICE\u670d\u52a1\u5668\u7684\u4e24\u4e2a\u6838\u5fc3\u7ec4\u4ef6&#xff1a;\u8d1f\u8d23\u56fe\u5f62\u5904\u7406\u7684RedWorker\u548c\u8d1f\u8d23\u8fde\u63a5\u7ba1\u7406\u7684\u4e3b\u670d\u52a1\u5668Reds\u3002<\/p>\n<h3>\u80cc\u666f\u4e0e\u76ee\u6807<\/h3>\n<p>SPICE\u670d\u52a1\u5668\u91c7\u7528\u591a\u7ebf\u7a0b\u67b6\u6784&#xff1a;<\/p>\n<ul>\n<li>\u4e3b\u7ebf\u7a0b(Reds)&#xff1a;\u5904\u7406\u8fde\u63a5\u7ba1\u7406\u3001\u8ba4\u8bc1\u3001Agent\u901a\u4fe1\u3001\u8f93\u5165\u548c\u97f3\u9891\u901a\u9053<\/li>\n<li>Worker\u7ebf\u7a0b(RedWorker)&#xff1a;\u4e13\u95e8\u5904\u7406\u56fe\u5f62\u5bc6\u96c6\u64cd\u4f5c&#xff0c;\u6bcf\u4e2aQXL\u8bbe\u5907\u4e00\u4e2a<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u8bbe\u8ba1\u5c06\u8017\u65f6\u7684\u56fe\u5f62\u5904\u7406\u4e0e\u8fde\u63a5\u7ba1\u7406\u5206\u79bb&#xff0c;\u63d0\u9ad8\u6574\u4f53\u54cd\u5e94\u6027\u3002<\/p>\n<h3>\u6574\u4f53\u67b6\u6784<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124908-698886445d50e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4e0a\u56fe\u5c55\u793a\u4e86SPICE\u670d\u52a1\u5668\u7684\u5b8c\u6574\u7ebf\u7a0b\u67b6\u6784\u3002\u8fd9\u79cd\u8bbe\u8ba1\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u4f4e\u5ef6\u8fdf\u654f\u611f\u7684\u64cd\u4f5c&#xff08;\u5982\u8f93\u5165\u5904\u7406\u3001\u8fde\u63a5\u7ba1\u7406&#xff09;\u653e\u5728\u4e3b\u7ebf\u7a0b&#xff0c;\u800c\u5c06CPU\u5bc6\u96c6\u578b\u64cd\u4f5c&#xff08;\u5982\u56fe\u50cf\u538b\u7f29\u3001\u89c6\u9891\u7f16\u7801&#xff09;\u653e\u5728\u72ec\u7acb\u7684Worker\u7ebf\u7a0b\u4e2d\u3002<\/p>\n<h4>\u4e3b\u7ebf\u7a0b\u804c\u8d23<\/h4>\n<p>\u4e3b\u7ebf\u7a0b\u8fd0\u884c\u5728QEMU\u7684\u4e3b\u4e8b\u4ef6\u5faa\u73af\u4e2d&#xff0c;\u8d1f\u8d23&#xff1a;<\/p>\n<ul>\n<li>\u8fde\u63a5\u751f\u547d\u5468\u671f\u7ba1\u7406&#xff1a;\u76d1\u542c\u7aef\u53e3\u3001\u63a5\u53d7\u65b0\u8fde\u63a5\u3001\u5904\u7406SSL\u63e1\u624b\u548cSASL\u8ba4\u8bc1<\/li>\n<li>MainChannel\u5904\u7406&#xff1a;\u534f\u8bae\u534f\u5546\u3001\u80fd\u529b\u4ea4\u6362\u3001\u5ba2\u6237\u7aef\u72b6\u6001\u7ba1\u7406<\/li>\n<li>InputsChannel\u5904\u7406&#xff1a;\u952e\u76d8\u9f20\u6807\u4e8b\u4ef6\u9700\u8981\u4f4e\u5ef6\u8fdf\u54cd\u5e94<\/li>\n<li>\u97f3\u9891\u901a\u9053\u5904\u7406&#xff1a;PlaybackChannel\u548cRecordChannel&#xff0c;\u97f3\u9891\u4e5f\u662f\u5ef6\u8fdf\u654f\u611f\u7684<\/li>\n<li>Agent\u901a\u4fe1&#xff1a;\u901a\u8fc7VDIPort\u8bbe\u5907\u4e0eGuest Agent\u4ea4\u4e92<\/li>\n<li>\u8fc1\u79fb\u534f\u8c03&#xff1a;\u7ba1\u7406VM\u70ed\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\u7684\u72b6\u6001\u8f6c\u79fb<\/li>\n<\/ul>\n<h4>Worker\u7ebf\u7a0b\u804c\u8d23<\/h4>\n<p>\u6bcf\u4e2aQXL\u865a\u62df\u663e\u5361\u8bbe\u5907\u5bf9\u5e94\u4e00\u4e2aWorker\u7ebf\u7a0b&#xff0c;\u8fd9\u5141\u8bb8\u591a\u663e\u793a\u5668\u914d\u7f6e\u4e0b\u7684\u5e76\u884c\u5904\u7406&#xff1a;<\/p>\n<ul>\n<li>DisplayChannel\u5904\u7406&#xff1a;\u56fe\u5f62\u547d\u4ee4\u7684\u89e3\u6790\u3001\u538b\u7f29\u548c\u53d1\u9001<\/li>\n<li>CursorChannel\u5904\u7406&#xff1a;\u5149\u6807\u56fe\u50cf\u548c\u4f4d\u7f6e\u66f4\u65b0<\/li>\n<li>QXL\u547d\u4ee4\u5904\u7406&#xff1a;\u4eceRing Buffer\u8bfb\u53d6\u5e76\u5904\u7406QXL\u547d\u4ee4<\/li>\n<li>\u56fe\u50cf\u538b\u7f29&#xff1a;\u6839\u636e\u56fe\u50cf\u7279\u5f81\u9009\u62e9\u5e76\u6267\u884c\u538b\u7f29\u7b97\u6cd5<\/li>\n<li>\u89c6\u9891\u6d41\u7ba1\u7406&#xff1a;\u68c0\u6d4b\u89c6\u9891\u533a\u57df\u5e76\u8fdb\u884c\u89c6\u9891\u7f16\u7801<\/li>\n<\/ul>\n<h3>Reds&#xff08;\u4e3b\u670d\u52a1\u5668&#xff09;\u5b9e\u73b0<\/h3>\n<h4>\u6838\u5fc3\u6570\u636e\u7ed3\u6784<\/h4>\n<p>RedsState\u662f\u6574\u4e2aSPICE\u670d\u52a1\u5668\u7684\u6838\u5fc3\u72b6\u6001\u7ed3\u6784&#xff0c;\u5305\u542b\u4e86\u670d\u52a1\u5668\u8fd0\u884c\u6240\u9700\u7684\u6240\u6709\u5168\u5c40\u72b6\u6001\u3002<\/p>\n<p><span class=\"token comment\">\/\/ reds-private.h<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">RedsState<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u670d\u52a1\u5668\u914d\u7f6e &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    RedServerConfig <span class=\"token operator\">*<\/span>config<span class=\"token punctuation\">;<\/span>            <span class=\"token comment\">\/\/ \u8fd0\u884c\u65f6\u914d\u7f6e<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u5305\u62ec\u7aef\u53e3\u3001\u52a0\u5bc6\u3001\u538b\u7f29\u7b56\u7565\u7b49<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u4e8b\u4ef6\u5faa\u73af\u96c6\u6210 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    SpiceCoreInterfaceInternal core<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ QEMU\u63d0\u4f9b\u7684\u4e8b\u4ef6\u5faa\u73af\u63a5\u53e3<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u5b9a\u65f6\u5668\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u76d1\u89c6\u7b49<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u7f51\u7edc\u76d1\u542c &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    RedServerListeners <span class=\"token operator\">*<\/span>listeners<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u76d1\u542c\u5668\u5217\u8868<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u652f\u6301\u540c\u65f6\u76d1\u542c\u666e\u901a\u548cSSL\u7aef\u53e3<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u901a\u9053\u7ba1\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    MainChannel <span class=\"token operator\">*<\/span>main_channel<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u4e3b\u901a\u9053&#xff08;\u534f\u8bae\u534f\u5546&#xff09;<\/span><br \/>\n    InputsChannel <span class=\"token operator\">*<\/span>inputs_channel<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u8f93\u5165\u901a\u9053&#xff08;\u952e\u76d8\u9f20\u6807&#xff09;<\/span><br \/>\n    GList <span class=\"token operator\">*<\/span>channels<span class=\"token punctuation\">;<\/span>                     <span class=\"token comment\">\/\/ \u6240\u6709\u6ce8\u518c\u7684\u901a\u9053\u5217\u8868<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u5305\u62ecDisplay\u3001Cursor\u3001Sound\u7b49<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5ba2\u6237\u7aef\u7ba1\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    GList <span class=\"token operator\">*<\/span>clients<span class=\"token punctuation\">;<\/span>                      <span class=\"token comment\">\/\/ \u5df2\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u5217\u8868<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> num_clients<span class=\"token punctuation\">;<\/span>                     <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u6570\u91cf<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u7528\u4e8e\u5feb\u901f\u68c0\u67e5\u662f\u5426\u6709\u5ba2\u6237\u7aef<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; VDAgent\u901a\u4fe1 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    SpiceCharDeviceInstance <span class=\"token operator\">*<\/span>vdagent<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ Agent\u5b57\u7b26\u8bbe\u5907\u5b9e\u4f8b<\/span><br \/>\n    red<span class=\"token double-colon punctuation\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>RedCharDeviceVDIPort<span class=\"token operator\">&gt;<\/span> agent_dev<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ Agent\u8bbe\u5907\u7ba1\u7406\u5668<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> agent_attached<span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ Agent\u662f\u5426\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> agent_state<span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/ Agent\u72b6\u6001\u673a<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; QXL\u663e\u5361\u8bbe\u5907 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    GList <span class=\"token operator\">*<\/span>qxl_instances<span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/ QXL\u8bbe\u5907\u5b9e\u4f8b\u5217\u8868<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u6bcf\u4e2aQXL\u5bf9\u5e94\u4e00\u4e2a\u663e\u793a\u5668<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u9f20\u6807\u6a21\u5f0f &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    SpiceMouseMode mouse_mode<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u5f53\u524d\u9f20\u6807\u6a21\u5f0f<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ SERVER\u6216CLIENT<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; VM\u8fc1\u79fb &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> mig_target<span class=\"token punctuation\">;<\/span>                      <span class=\"token comment\">\/\/ \u662f\u5426\u662f\u8fc1\u79fb\u76ee\u6807<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> mig_seamless_connect<span class=\"token punctuation\">;<\/span>            <span class=\"token comment\">\/\/ \u662f\u5426\u65e0\u7f1d\u8fc1\u79fb<\/span><br \/>\n    RedsMigTargetClients mig_target_clients<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8fc1\u79fb\u4e2d\u7684\u5ba2\u6237\u7aef<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6027\u80fd\u7edf\u8ba1 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    SpiceStatFile <span class=\"token operator\">*<\/span>stat_file<span class=\"token punctuation\">;<\/span>            <span class=\"token comment\">\/\/ \u7edf\u8ba1\u6587\u4ef6<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u53ef\u901a\u8fc7\u5de5\u5177\u67e5\u770b\u8fd0\u884c\u65f6\u7edf\u8ba1<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5176\u4ed6 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> mm_time<span class=\"token punctuation\">;<\/span>                    <span class=\"token comment\">\/\/ \u591a\u5a92\u4f53\u65f6\u95f4\u6233<\/span><br \/>\n                                         <span class=\"token comment\">\/\/ \u7528\u4e8e\u97f3\u89c6\u9891\u540c\u6b65<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> allow_multiple_clients<span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ \u662f\u5426\u5141\u8bb8\u591a\u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>RedsState\u5728\u67b6\u6784\u4e2d\u7684\u4f4d\u7f6e&#xff1a;<\/p>\n<p>RedsState \u251c\u2500\u2500 config (\u914d\u7f6e) \u251c\u2500\u2500 core (\u4e8b\u4ef6\u5faa\u73af) \u251c\u2500\u2500 main_channel \u2192 MainChannel \u251c\u2500\u2500 inputs_channel \u2192 InputsChannel \u251c\u2500\u2500 channels \u2192 [DisplayChannel, CursorChannel, \u2026] \u251c\u2500\u2500 clients \u2192 [RedClient1, RedClient2, \u2026] \u2514\u2500\u2500 qxl_instances \u2192 [QXL0 \u2192 Worker0, QXL1 \u2192 Worker1, \u2026]<\/p>\n<h4>\u670d\u52a1\u5668\u521d\u59cb\u5316<\/h4>\n<p>SPICE\u670d\u52a1\u5668\u521d\u59cb\u5316\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5&#xff1a;spice_server_new\u521b\u5efa\u914d\u7f6e&#xff0c;spice_server_init\u542f\u52a8\u670d\u52a1\u3002<\/p>\n<p><span class=\"token comment\">\/\/ reds.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ \u9636\u6bb51&#xff1a;\u521b\u5efa\u670d\u52a1\u5668\u5b9e\u4f8b\u548c\u9ed8\u8ba4\u914d\u7f6e<\/span><br \/>\nSpiceServer <span class=\"token operator\">*<\/span><span class=\"token function\">spice_server_new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5206\u914d\u4e3b\u72b6\u6001\u7ed3\u6784 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ g_new0\u786e\u4fdd\u5185\u5b58\u88ab\u6e05\u96f6<\/span><br \/>\n    RedsState <span class=\"token operator\">*<\/span>reds <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_new0<\/span><span class=\"token punctuation\">(<\/span>RedsState<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521d\u59cb\u5316\u9ed8\u8ba4\u914d\u7f6e &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_new0<\/span><span class=\"token punctuation\">(<\/span>RedServerConfig<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u89c6\u9891\u6d41\u7b56\u7565&#xff1a;FILTER&#xff08;\u53ea\u7f16\u7801\u68c0\u6d4b\u4e3a\u89c6\u9891\u7684\u533a\u57df&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u662f\u6700\u4f18\u7684\u9ed8\u8ba4\u503c&#xff0c;\u5e73\u8861\u6027\u80fd\u548c\u753b\u8d28<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config<span class=\"token operator\">-&gt;<\/span>streaming_video <span class=\"token operator\">&#061;<\/span> SPICE_STREAM_VIDEO_FILTER<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u56fe\u50cf\u538b\u7f29&#xff1a;AUTO_GLZ&#xff08;\u81ea\u52a8\u9009\u62e9QUIC\u6216GLZ&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ QUIC\u9002\u5408\u6e10\u53d8\u56fe\u50cf&#xff0c;GLZ\u9002\u5408\u4eba\u5de5\u56fe\u50cf<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config<span class=\"token operator\">-&gt;<\/span>image_compression <span class=\"token operator\">&#061;<\/span> SPICE_IMAGE_COMPRESSION_AUTO_GLZ<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u97f3\u9891\u538b\u7f29&#xff1a;\u542f\u7528OPUS\u7f16\u7801<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config<span class=\"token operator\">-&gt;<\/span>playback_compression <span class=\"token operator\">&#061;<\/span> TRUE<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Agent\u529f\u80fd&#xff1a;\u5168\u90e8\u542f\u7528<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config<span class=\"token operator\">-&gt;<\/span>agent_mouse <span class=\"token operator\">&#061;<\/span> TRUE<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ Agent\u9f20\u6807\u6a21\u5f0f<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config<span class=\"token operator\">-&gt;<\/span>agent_copypaste <span class=\"token operator\">&#061;<\/span> TRUE<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u526a\u8d34\u677f\u5171\u4eab<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config<span class=\"token operator\">-&gt;<\/span>agent_file_xfer <span class=\"token operator\">&#061;<\/span> TRUE<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u6587\u4ef6\u62d6\u653e<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521d\u59cb\u5316\u89c6\u9891\u7f16\u89e3\u7801\u5668\u5217\u8868 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u52a8\u6001\u6570\u7ec4&#xff0c;\u540e\u7eed\u53ef\u4ee5\u6dfb\u52a0\u591a\u79cd\u7f16\u89e3\u7801\u5668<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>config<span class=\"token operator\">-&gt;<\/span>video_codecs <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_array_new<\/span><span class=\"token punctuation\">(<\/span>FALSE<span class=\"token punctuation\">,<\/span> FALSE<span class=\"token punctuation\">,<\/span><br \/>\n                                              <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>RedVideoCodec<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521d\u59cb\u5316\u5185\u90e8Core\u63a5\u53e3 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5305\u88c5QEMU\u63d0\u4f9b\u7684\u4e8b\u4ef6\u5faa\u73af\u63a5\u53e3<\/span><br \/>\n    <span class=\"token function\">reds_init_core_interface<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6ce8\u518c\u5230\u5168\u5c40\u670d\u52a1\u5668\u5217\u8868 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u652f\u6301\u591a\u670d\u52a1\u5668\u5b9e\u4f8b&#xff08;\u591a\u4e2aVM&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9700\u8981\u52a0\u9501\u4fdd\u62a4\u5168\u5c40\u5217\u8868<\/span><br \/>\n    <span class=\"token function\">pthread_mutex_lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>global_reds_lock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    servers <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_list_prepend<\/span><span class=\"token punctuation\">(<\/span>servers<span class=\"token punctuation\">,<\/span> reds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">pthread_mutex_unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>global_reds_lock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> reds<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9636\u6bb52&#xff1a;\u542f\u52a8\u670d\u52a1&#xff0c;\u521b\u5efa\u6838\u5fc3\u901a\u9053<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">spice_server_init<\/span><span class=\"token punctuation\">(<\/span>SpiceServer <span class=\"token operator\">*<\/span>reds<span class=\"token punctuation\">,<\/span> SpiceCoreInterface <span class=\"token operator\">*<\/span>core<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u4fdd\u5b58QEMU\u63d0\u4f9b\u7684Core\u63a5\u53e3 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Core\u63a5\u53e3\u5305\u542b\u5b9a\u65f6\u5668\u3001watch\u7b49\u4e8b\u4ef6\u5faa\u73af\u529f\u80fd<\/span><br \/>\n    <span class=\"token function\">reds_set_core_interface<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">,<\/span> core<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efa\u6838\u5fc3\u901a\u9053 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ MainChannel&#xff1a;\u534f\u8bae\u534f\u5546\u3001\u80fd\u529b\u4ea4\u6362\u3001\u8fc1\u79fb\u534f\u8c03<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u662f\u6240\u6709\u5ba2\u6237\u7aef\u5fc5\u987b\u9996\u5148\u8fde\u63a5\u7684\u901a\u9053<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>main_channel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">MainChannel<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ InputsChannel&#xff1a;\u952e\u76d8\u9f20\u6807\u8f93\u5165<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9700\u8981\u4f4e\u5ef6\u8fdf&#xff0c;\u8fd0\u884c\u5728\u4e3b\u7ebf\u7a0b<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>inputs_channel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">InputsChannel<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521d\u59cb\u5316Agent\u901a\u4fe1 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Agent\u8fd0\u884c\u5728Guest OS\u4e2d&#xff0c;\u63d0\u4f9b\u589e\u5f3a\u529f\u80fd<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5982&#xff1a;\u526a\u8d34\u677f\u5171\u4eab\u3001\u5206\u8fa8\u7387\u8c03\u6574\u7b49<\/span><br \/>\n    <span class=\"token function\">reds_agent_init<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521d\u59cb\u5316\u7edf\u8ba1 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">RED_STATISTICS<\/span><\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa\u5171\u4eab\u5185\u5b58\u7edf\u8ba1\u6587\u4ef6<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53ef\u901a\u8fc7\u5916\u90e8\u5de5\u5177\u8bfb\u53d6\u8fd0\u884c\u65f6\u6027\u80fd\u6570\u636e<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>stat_file <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">stat_file_new<\/span><span class=\"token punctuation\">(<\/span>REDS_MAX_STAT_NODES<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e3a\u4ec0\u4e48\u5206\u4e24\u9636\u6bb5\u521d\u59cb\u5316&#xff1f;<\/p>\n<li>\u914d\u7f6e\u9636\u6bb5&#xff1a;spice_server_new\u540e\u53ef\u4ee5\u8c03\u7528spice_server_set_xxx\u7cfb\u5217\u51fd\u6570\u4fee\u6539\u914d\u7f6e<\/li>\n<li>\u542f\u52a8\u9636\u6bb5&#xff1a;spice_server_init\u540e\u914d\u7f6e\u751f\u6548&#xff0c;\u5f00\u59cb\u76d1\u542c\u8fde\u63a5<\/li>\n<p>spice_server_new() \u2193 spice_server_set_port(5900) spice_server_set_image_compression(LZ4) spice_server_set_streaming_video(ALL) \u2193 spice_server_init(core) \/\/ \u914d\u7f6e\u9501\u5b9a&#xff0c;\u670d\u52a1\u542f\u52a8<\/p>\n<h4>\u8fde\u63a5\u76d1\u542c<\/h4>\n<p>\u8fde\u63a5\u76d1\u542c\u662f\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u5efa\u7acb\u901a\u4fe1\u7684\u7b2c\u4e00\u6b65&#xff0c;\u91c7\u7528\u5f02\u6b65\u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b\u3002<\/p>\n<p><span class=\"token comment\">\/\/ reds.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ \u521b\u5efa\u5e76\u542f\u52a8\u76d1\u542cSocket<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">spice_server_open_listen_socket<\/span><span class=\"token punctuation\">(<\/span>SpiceServer <span class=\"token operator\">*<\/span>reds<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> flags<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaTCP Socket &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ AF_INET: IPv4, SOCK_STREAM: TCP\u534f\u8bae<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> listen_socket <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_STREAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u8bbe\u7f6eSO_REUSEADDR &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5141\u8bb8\u670d\u52a1\u5668\u91cd\u542f\u540e\u7acb\u5373\u91cd\u7528\u7aef\u53e3<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5426\u5219\u9700\u8981\u7b49\u5f85TIME_WAIT\u72b6\u6001\u8d85\u65f6&#xff08;\u7ea62\u5206\u949f&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> on <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">setsockopt<\/span><span class=\"token punctuation\">(<\/span>listen_socket<span class=\"token punctuation\">,<\/span> SOL_SOCKET<span class=\"token punctuation\">,<\/span> SO_REUSEADDR<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>on<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>on<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u7ed1\u5b9a\u5230\u6307\u5b9a\u7aef\u53e3 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> addr<span class=\"token punctuation\">;<\/span><br \/>\n    addr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    addr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u7f51\u7edc\u5b57\u8282\u5e8f<\/span><br \/>\n    addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> INADDR_ANY<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u76d1\u542c\u6240\u6709\u7f51\u5361<\/span><\/p>\n<p>    <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>listen_socket<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5f00\u59cb\u76d1\u542c &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ SOMAXCONN: \u7cfb\u7edf\u5141\u8bb8\u7684\u6700\u5927\u7b49\u5f85\u8fde\u63a5\u961f\u5217\u957f\u5ea6<\/span><br \/>\n    <span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>listen_socket<span class=\"token punctuation\">,<\/span> SOMAXCONN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6ce8\u518c\u5230\u4e8b\u4ef6\u5faa\u73af &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f53\u6709\u65b0\u8fde\u63a5\u65f6&#xff0c;reds_accept_connection\u4f1a\u88ab\u8c03\u7528<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u662fSPICE\u7684\u6838\u5fc3\u8bbe\u8ba1&#xff1a;\u5f02\u6b65\u975e\u963b\u585eI\/O<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>core<span class=\"token punctuation\">.<\/span><span class=\"token function\">watch_add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>reds<span class=\"token operator\">-&gt;<\/span>core<span class=\"token punctuation\">,<\/span> listen_socket<span class=\"token punctuation\">,<\/span> SPICE_WATCH_EVENT_READ<span class=\"token punctuation\">,<\/span><br \/>\n                         reds_accept_connection<span class=\"token punctuation\">,<\/span> reds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> listen_socket<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u65b0\u8fde\u63a5\u5230\u6765\u65f6\u7684\u56de\u8c03<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">reds_accept_connection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> event<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>opaque<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    RedsState <span class=\"token operator\">*<\/span>reds <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>RedsState <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>opaque<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u63a5\u53d7\u65b0\u8fde\u63a5 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> peer_addr<span class=\"token punctuation\">;<\/span><br \/>\n    socklen_t peer_len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> socket <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer_addr<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>peer_len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>socket <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u63a5\u53d7\u5931\u8d25&#xff0c;\u53ef\u80fd\u662f\u4e34\u65f6\u9519\u8bef<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u914d\u7f6eSocket\u9009\u9879 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u975e\u963b\u585e&#xff1a;\u914d\u5408\u4e8b\u4ef6\u5faa\u73af\u4f7f\u7528&#xff0c;\u4e0d\u80fd\u963b\u585e\u4e3b\u7ebf\u7a0b<\/span><br \/>\n    <span class=\"token function\">red_socket_set_non_blocking<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">,<\/span> TRUE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ TCP_NODELAY&#xff1a;\u7981\u7528Nagle\u7b97\u6cd5<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u51cf\u5c11\u5c0f\u6570\u636e\u5305\u7684\u53d1\u9001\u5ef6\u8fdf&#xff0c;\u5bf9\u4ea4\u4e92\u5f0f\u5e94\u7528\u5f88\u91cd\u8981<\/span><br \/>\n    <span class=\"token function\">red_socket_set_no_delay<\/span><span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">,<\/span> TRUE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaRedStream &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ RedStream\u662f\u5bf9Socket\u7684\u5c01\u88c5&#xff0c;\u652f\u6301&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u666e\u901aTCP<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; SSL\/TLS\u52a0\u5bc6<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; SASL\u8ba4\u8bc1<\/span><br \/>\n    RedStream <span class=\"token operator\">*<\/span>stream <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">red_stream_new<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">,<\/span> socket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efa\u94fe\u63a5\u4e0a\u4e0b\u6587 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4fdd\u5b58\u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b\u4e2d\u7684\u4e34\u65f6\u72b6\u6001<\/span><br \/>\n    RedLinkInfo <span class=\"token operator\">*<\/span>link <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_new0<\/span><span class=\"token punctuation\">(<\/span>RedLinkInfo<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    link<span class=\"token operator\">-&gt;<\/span>reds <span class=\"token operator\">&#061;<\/span> reds<span class=\"token punctuation\">;<\/span><br \/>\n    link<span class=\"token operator\">-&gt;<\/span>stream <span class=\"token operator\">&#061;<\/span> stream<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u542f\u52a8\u534f\u8bae\u63e1\u624b &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f02\u6b65\u8bfb\u53d6\u5ba2\u6237\u7aef\u53d1\u9001\u7684SpiceLinkMess<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5305\u542b&#xff1a;\u7248\u672c\u4fe1\u606f\u3001\u8bf7\u6c42\u7684\u901a\u9053\u7c7b\u578b\u3001\u80fd\u529b\u6807\u5fd7\u7b49<\/span><br \/>\n    <span class=\"token function\">reds_handle_new_link<\/span><span class=\"token punctuation\">(<\/span>link<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fde\u63a5\u5efa\u7acb\u6d41\u7a0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124909-6988864519566.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u901a\u9053\u94fe\u63a5<\/h4>\n<p>SPICE\u4f7f\u7528\u591a\u901a\u9053\u8bbe\u8ba1&#xff0c;\u6bcf\u79cd\u529f\u80fd&#xff08;\u663e\u793a\u3001\u8f93\u5165\u3001\u97f3\u9891&#xff09;\u4f7f\u7528\u72ec\u7acb\u7684TCP\u8fde\u63a5\u3002\u6240\u6709\u8fde\u63a5\u5fc5\u987b\u5148\u5efa\u7acbMainChannel&#xff0c;\u7136\u540e\u624d\u80fd\u8fde\u63a5\u5176\u4ed6\u901a\u9053\u3002<\/p>\n<p><span class=\"token comment\">\/\/ reds.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5904\u7406\u5ba2\u6237\u7aef\u901a\u9053\u8fde\u63a5\u8bf7\u6c42<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">reds_handle_link<\/span><span class=\"token punctuation\">(<\/span>RedLinkInfo <span class=\"token operator\">*<\/span>link<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    RedsState <span class=\"token operator\">*<\/span>reds <span class=\"token operator\">&#061;<\/span> link<span class=\"token operator\">-&gt;<\/span>reds<span class=\"token punctuation\">;<\/span><br \/>\n    SpiceLinkMess <span class=\"token operator\">*<\/span>link_mess <span class=\"token operator\">&#061;<\/span> link<span class=\"token operator\">-&gt;<\/span>link_mess<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u7248\u672c\u68c0\u67e5 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ SPICE\u534f\u8bae\u6709\u4e3b\u7248\u672c\u548c\u6b21\u7248\u672c<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e3b\u7248\u672c\u4e0d\u540c\u8868\u793a\u534f\u8bae\u4e0d\u517c\u5bb9<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>link_mess<span class=\"token operator\">-&gt;<\/span>major_version <span class=\"token operator\">!&#061;<\/span> SPICE_VERSION_MAJOR<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">reds_link_error<\/span><span class=\"token punctuation\">(<\/span>link<span class=\"token punctuation\">,<\/span> SPICE_LINK_ERR_VERSION_MISMATCH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; MainChannel\u7279\u6b8a\u5904\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ MainChannel\u662f\u7b2c\u4e00\u4e2a\u5efa\u7acb\u7684\u901a\u9053<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7528\u4e8e\u534f\u8bae\u534f\u5546\u3001\u80fd\u529b\u4ea4\u6362\u3001\u5206\u914dconnection_id<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>link_mess<span class=\"token operator\">-&gt;<\/span>channel_type <span class=\"token operator\">&#061;&#061;<\/span> SPICE_CHANNEL_MAIN<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">reds_handle_main_link<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">,<\/span> link<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u5ba2\u6237\u7aef<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u9a8c\u8bc1connection_id &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5176\u4ed6\u901a\u9053\u5fc5\u987b\u643a\u5e26MainChannel\u5206\u914d\u7684ID<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u786e\u4fdd\u6240\u6709\u901a\u9053\u5c5e\u4e8e\u540c\u4e00\u4e2a\u5ba2\u6237\u7aef\u4f1a\u8bdd<\/span><br \/>\n    RedClient <span class=\"token operator\">*<\/span>client <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">reds_find_client_by_link_id<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        reds<span class=\"token punctuation\">,<\/span> link_mess<span class=\"token operator\">-&gt;<\/span>connection_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>client<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u65e0\u6548ID&#xff0c;\u53ef\u80fd\u662f\u653b\u51fb\u6216\u5ba2\u6237\u7aefBug<\/span><br \/>\n        <span class=\"token function\">reds_link_error<\/span><span class=\"token punctuation\">(<\/span>link<span class=\"token punctuation\">,<\/span> SPICE_LINK_ERR_BAD_CONNECTION_ID<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u67e5\u627e\u76ee\u6807\u901a\u9053 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ channel_type: \u901a\u9053\u7c7b\u578b&#xff08;Display&#061;1, Inputs&#061;2, &#8230;&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ channel_id: \u901a\u9053\u5b9e\u4f8bID&#xff08;\u591a\u663e\u793a\u5668\u65f6\u6709\u591a\u4e2aDisplay&#xff09;<\/span><br \/>\n    RedChannel <span class=\"token operator\">*<\/span>channel <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">reds_find_channel<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        reds<span class=\"token punctuation\">,<\/span> link_mess<span class=\"token operator\">-&gt;<\/span>channel_type<span class=\"token punctuation\">,<\/span> link_mess<span class=\"token operator\">-&gt;<\/span>channel_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>channel<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bf7\u6c42\u7684\u901a\u9053\u4e0d\u5b58\u5728<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53ef\u80fd\u662f\u670d\u52a1\u5668\u914d\u7f6e\u4e0d\u652f\u6301&#xff0c;\u6216\u901a\u9053\u5c1a\u672a\u521b\u5efa<\/span><br \/>\n        <span class=\"token function\">reds_link_error<\/span><span class=\"token punctuation\">(<\/span>link<span class=\"token punctuation\">,<\/span> SPICE_LINK_ERR_CHANNEL_NOT_AVAILABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5efa\u7acb\u901a\u9053\u5ba2\u6237\u7aef\u8fde\u63a5 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06TCP\u8fde\u63a5&#xff08;stream&#xff09;\u7ed1\u5b9a\u5230\u901a\u9053<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa\u5bf9\u5e94\u7684ChannelClient\u5b9e\u4f8b<\/span><br \/>\n    <span class=\"token comment\">\/\/ link_mess-&gt;caps: \u5ba2\u6237\u7aef\u58f0\u660e\u7684\u80fd\u529b\u6807\u5fd7<\/span><br \/>\n    channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">on_connect<\/span><span class=\"token punctuation\">(<\/span>client<span class=\"token punctuation\">,<\/span> link<span class=\"token operator\">-&gt;<\/span>stream<span class=\"token punctuation\">,<\/span><br \/>\n                        link_mess<span class=\"token operator\">-&gt;<\/span>connection_id <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u662f\u5426\u662f\u8fc1\u79fb<\/span><br \/>\n                        <span class=\"token operator\">&amp;<\/span>link_mess<span class=\"token operator\">-&gt;<\/span>caps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8fde\u63a5\u6210\u529f&#xff0c;\u91ca\u653e\u4e34\u65f6\u7ed3\u6784<\/span><br \/>\n    <span class=\"token function\">reds_link_free<\/span><span class=\"token punctuation\">(<\/span>link<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e3a\u4ec0\u4e48\u4f7f\u7528\u591a\u901a\u9053\u8bbe\u8ba1&#xff1f;<\/p>\n<li>\u5e76\u884c\u5904\u7406&#xff1a;\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u53ef\u4ee5\u5e76\u884c\u4f20\u8f93<\/li>\n<li>QoS\u63a7\u5236&#xff1a;\u53ef\u4ee5\u4e3a\u4e0d\u540c\u901a\u9053\u8bbe\u7f6e\u4e0d\u540c\u4f18\u5148\u7ea7<\/li>\n<li>\u72ec\u7acb\u6d41\u63a7&#xff1a;\u4e00\u4e2a\u901a\u9053\u62e5\u585e\u4e0d\u5f71\u54cd\u5176\u4ed6\u901a\u9053<\/li>\n<li>\u7075\u6d3b\u6027&#xff1a;\u5ba2\u6237\u7aef\u53ef\u4ee5\u9009\u62e9\u53ea\u8fde\u63a5\u9700\u8981\u7684\u901a\u9053<\/li>\n<h4>\u901a\u9053\u6ce8\u518c<\/h4>\n<p>\u901a\u9053\u6ce8\u518c\u673a\u5236\u4f7f\u670d\u52a1\u5668\u80fd\u591f\u52a8\u6001\u7ba1\u7406\u901a\u9053&#xff0c;\u5e76\u5728\u901a\u9053\u53ef\u7528\u65f6\u901a\u77e5\u5ba2\u6237\u7aef\u3002<\/p>\n<p><span class=\"token comment\">\/\/ reds.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6ce8\u518c\u65b0\u901a\u9053\u5230\u670d\u52a1\u5668<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">reds_register_channel<\/span><span class=\"token punctuation\">(<\/span>RedsState <span class=\"token operator\">*<\/span>reds<span class=\"token punctuation\">,<\/span> RedChannel <span class=\"token operator\">*<\/span>channel<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">spice_assert<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6dfb\u52a0\u5230\u5168\u5c40\u901a\u9053\u5217\u8868 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ g_list_prepend: O(1)\u64cd\u4f5c&#xff0c;\u6dfb\u52a0\u5230\u5217\u8868\u5934\u90e8<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u901a\u9053\u521b\u5efa\u540e\u5fc5\u987b\u6ce8\u518c&#xff0c;\u5426\u5219\u5ba2\u6237\u7aef\u65e0\u6cd5\u8fde\u63a5<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>channels <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_list_prepend<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token operator\">-&gt;<\/span>channels<span class=\"token punctuation\">,<\/span> channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u901a\u77e5MainChannel &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ MainChannel\u9700\u8981\u77e5\u9053\u6240\u6709\u53ef\u7528\u901a\u9053<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7528\u4e8e\u56de\u590d\u5ba2\u6237\u7aef\u7684\u901a\u9053\u67e5\u8be2<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>reds<span class=\"token operator\">-&gt;<\/span>main_channel<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        reds<span class=\"token operator\">-&gt;<\/span>main_channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">registered_new_channel<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u901a\u77e5\u5df2\u8fde\u63a5\u7684\u5ba2\u6237\u7aef &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5982\u679c\u6709\u5ba2\u6237\u7aef\u5df2\u7ecf\u8fde\u63a5&#xff0c;\u544a\u8bc9\u4ed6\u4eec\u65b0\u901a\u9053\u53ef\u7528<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u6536\u5230\u540e\u53ef\u4ee5\u9009\u62e9\u8fde\u63a5\u8fd9\u4e2a\u65b0\u901a\u9053<\/span><br \/>\n    GList <span class=\"token operator\">*<\/span>l<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>l <span class=\"token operator\">&#061;<\/span> reds<span class=\"token operator\">-&gt;<\/span>clients<span class=\"token punctuation\">;<\/span> l<span class=\"token punctuation\">;<\/span> l <span class=\"token operator\">&#061;<\/span> l<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        RedClient <span class=\"token operator\">*<\/span>client <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>RedClient <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>l<span class=\"token operator\">-&gt;<\/span>data<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u83b7\u53d6\u5ba2\u6237\u7aef\u7684MainChannelClient<\/span><br \/>\n        MainChannelClient <span class=\"token operator\">*<\/span>mcc <span class=\"token operator\">&#061;<\/span> client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">get_main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>mcc<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53d1\u9001SPICE_MSG_MAIN_CHANNELS_LIST\u6216\u7c7b\u4f3c\u6d88\u606f<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u901a\u77e5\u5ba2\u6237\u7aef\u6709\u65b0\u901a\u9053<\/span><br \/>\n            mcc<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">push_init_channel<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u67e5\u627e\u6307\u5b9a\u7c7b\u578b\u548cID\u7684\u901a\u9053<\/span><br \/>\nRedChannel <span class=\"token operator\">*<\/span><span class=\"token function\">reds_find_channel<\/span><span class=\"token punctuation\">(<\/span>RedsState <span class=\"token operator\">*<\/span>reds<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> type<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint32_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    GList <span class=\"token operator\">*<\/span>l<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u904d\u5386\u901a\u9053\u5217\u8868 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7b80\u5355\u7684\u7ebf\u6027\u67e5\u627e<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u901a\u9053\u6570\u91cf\u901a\u5e38\u5f88\u5c11&#xff08;&lt;10&#xff09;&#xff0c;\u4e0d\u9700\u8981\u54c8\u5e0c\u8868<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>l <span class=\"token operator\">&#061;<\/span> reds<span class=\"token operator\">-&gt;<\/span>channels<span class=\"token punctuation\">;<\/span> l<span class=\"token punctuation\">;<\/span> l <span class=\"token operator\">&#061;<\/span> l<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        RedChannel <span class=\"token operator\">*<\/span>channel <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>RedChannel <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>l<span class=\"token operator\">-&gt;<\/span>data<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5339\u914d\u7c7b\u578b\u548cID &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n        <span class=\"token comment\">\/\/ type: SPICE_CHANNEL_MAIN, SPICE_CHANNEL_DISPLAY\u7b49<\/span><br \/>\n        <span class=\"token comment\">\/\/ id: \u901a\u9053\u5b9e\u4f8b\u7f16\u53f7&#xff08;\u591a\u663e\u793a\u5668\u65f6\u6709\u591a\u4e2aDisplay\u901a\u9053&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">type<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> type <span class=\"token operator\">&amp;&amp;<\/span> channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> id<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> channel<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u672a\u627e\u5230<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u901a\u9053\u6ce8\u518c\u65f6\u673a&#xff1a;<\/p>\n<p>\u670d\u52a1\u5668\u542f\u52a8 \u2502 \u251c\u2500 spice_server_init() \u2502 \u251c\u2500 new MainChannel() \u2192 reds_register_channel() \u2502 \u2514\u2500 new InputsChannel() \u2192 reds_register_channel() \u2502 \u251c\u2500 QXL\u8bbe\u5907\u521d\u59cb\u5316&#xff08;VM\u542f\u52a8\u65f6&#xff09; \u2502 \u251c\u2500 red_qxl_init() \u2502 \u2502 \u251c\u2500 new DisplayChannel() \u2192 reds_register_channel() \u2502 \u2502 \u2514\u2500 new CursorChannel() \u2192 reds_register_channel() \u2502 \u2514\u2500 \u97f3\u9891\u8bbe\u5907\u521d\u59cb\u5316 \u251c\u2500 new PlaybackChannel() \u2192 reds_register_channel() \u2514\u2500 new RecordChannel() \u2192 reds_register_channel()<\/p>\n<p>\u901a\u9053\u67e5\u627e\u573a\u666f&#xff1a;<\/p>\n<table>\n<tr>\u573a\u666ftypeid<\/tr>\n<tbody>\n<tr>\n<td>\u4e3b\u901a\u9053<\/td>\n<td>SPICE_CHANNEL_MAIN<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>\u5355\u663e\u793a\u5668<\/td>\n<td>SPICE_CHANNEL_DISPLAY<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e8c\u663e\u793a\u5668<\/td>\n<td>SPICE_CHANNEL_DISPLAY<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u5165<\/td>\n<td>SPICE_CHANNEL_INPUTS<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>\u97f3\u9891\u64ad\u653e<\/td>\n<td>SPICE_CHANNEL_PLAYBACK<\/td>\n<td>0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>RedWorker \u5b9e\u73b0<\/h3>\n<h4>\u6838\u5fc3\u6570\u636e\u7ed3\u6784<\/h4>\n<p>RedWorker\u5c01\u88c5\u4e86Worker\u7ebf\u7a0b\u7684\u6240\u6709\u72b6\u6001&#xff0c;\u6bcf\u4e2aQXL\u8bbe\u5907\u5bf9\u5e94\u4e00\u4e2aWorker\u5b9e\u4f8b\u3002<\/p>\n<p><span class=\"token comment\">\/\/ red-worker.cpp<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">RedWorker<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u7ebf\u7a0b\u7ba1\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    pthread_t thread<span class=\"token punctuation\">;<\/span>               <span class=\"token comment\">\/\/ Worker\u7ebf\u7a0b\u53e5\u67c4<\/span><br \/>\n    QXLInstance <span class=\"token operator\">*<\/span>qxl<span class=\"token punctuation\">;<\/span>               <span class=\"token comment\">\/\/ \u5173\u8054\u7684QXL\u8bbe\u5907<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u901a\u8fc7qxl\u8bbf\u95ee\u8bbe\u5907\u63a5\u53e3\u548c\u547d\u4ee4\u73af<\/span><br \/>\n    SpiceWatch <span class=\"token operator\">*<\/span>dispatch_watch<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u8c03\u5ea6\u5668FD\u7684\u4e8b\u4ef6\u76d1\u89c6\u5668<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u5f53\u4e3b\u7ebf\u7a0b\u53d1\u9001\u6d88\u606f\u65f6\u89e6\u53d1<\/span><br \/>\n    SpiceCoreInterfaceInternal core<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ebf\u7a0b\u4e13\u7528\u7684\u4e8b\u4ef6\u5faa\u73af\u63a5\u53e3<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u4e0e\u4e3b\u7ebf\u7a0b\u4f7f\u7528\u4e0d\u540c\u7684\u5b9e\u4f8b<\/span><\/p>\n<p>    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> event_timeout<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u4e8b\u4ef6\u7b49\u5f85\u8d85\u65f6&#xff08;\u6beb\u79d2&#xff09;<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ INF_EVENT_WAIT\u8868\u793a\u65e0\u9650\u7b49\u5f85<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u901a\u9053\u7ba1\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    DisplayChannel <span class=\"token operator\">*<\/span>display_channel<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u663e\u793a\u901a\u9053<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u5904\u7406\u56fe\u5f62\u547d\u4ee4\u548c\u56fe\u50cf\u4f20\u8f93<\/span><br \/>\n    CursorChannel <span class=\"token operator\">*<\/span>cursor_channel<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u5149\u6807\u901a\u9053<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u5904\u7406\u5149\u6807\u56fe\u50cf\u548c\u4f4d\u7f6e<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u547d\u4ee4\u8f6e\u8be2 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> display_poll_tries<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u663e\u793a\u547d\u4ee4\u8f6e\u8be2\u91cd\u8bd5\u8ba1\u6570<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> cursor_poll_tries<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u5149\u6807\u547d\u4ee4\u8f6e\u8be2\u91cd\u8bd5\u8ba1\u6570<\/span><br \/>\n    gboolean was_blocked<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u4e0a\u6b21\u5faa\u73af\u662f\u5426\u56e0\u7ba1\u9053\u6ee1\u800c\u963b\u585e<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8f6e\u8be2\u673a\u5236\u7528\u4e8e\u51cf\u5c11CPU\u7a7a\u8f6c&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u547d\u4ee4\u73af\u4e3a\u7a7a\u65f6&#xff0c;\u5148\u91cd\u8bd5\u51e0\u6b21&#xff0c;\u7136\u540e\u7b49\u5f85\u4e8b\u4ef6\u901a\u77e5<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5185\u5b58\u7ba1\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    RedMemSlotInfo mem_slots<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ QXL\u5185\u5b58\u69fd\u4fe1\u606f<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u7528\u4e8e\u5c06Guest\u5730\u5740\u8f6c\u6362\u4e3aHost\u5730\u5740<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5904\u7406\u8ffd\u8e2a &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> process_display_generation<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5904\u7406&#034;\u4ee3\u6570&#034;<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u6bcf\u8f6e\u5904\u7406\u9012\u589e&#xff0c;\u7528\u4e8e\u907f\u514d\u91cd\u590d\u5904\u7406<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6027\u80fd\u7edf\u8ba1 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    RedStatNode stat<span class=\"token punctuation\">;<\/span>               <span class=\"token comment\">\/\/ \u7edf\u8ba1\u6839\u8282\u70b9<\/span><br \/>\n    RedStatCounter wakeup_counter<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5524\u9192\u6b21\u6570<\/span><br \/>\n    RedStatCounter command_counter<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5904\u7406\u7684\u547d\u4ee4\u6570<\/span><br \/>\n    RedStatCounter full_loop_counter<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5b8c\u6574\u5904\u7406\u5faa\u73af\u6570<\/span><br \/>\n    RedStatCounter total_loop_counter<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u603b\u5faa\u73af\u6570<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u9a71\u52a8\u80fd\u529b &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> driver_cap_monitors_config<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9a71\u52a8\u662f\u5426\u652f\u6301\u663e\u793a\u5668\u914d\u7f6e<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u8c03\u8bd5\u529f\u80fd &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    RedRecord <span class=\"token operator\">*<\/span>record<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u547d\u4ee4\u5f55\u5236\u5668<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ \u53ef\u5f55\u5236QXL\u547d\u4ee4\u7528\u4e8e\u56de\u653e\u8c03\u8bd5<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u4e8b\u4ef6\u5faa\u73af &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    GMainLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/ GLib\u4e3b\u5faa\u73af<\/span><br \/>\n                                     <span class=\"token comment\">\/\/ Worker\u7ebf\u7a0b\u7684\u4e8b\u4ef6\u5206\u53d1\u57fa\u7840<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Worker\u7ebf\u7a0b\u7684\u5de5\u4f5c\u6a21\u5f0f&#xff1a;<\/p>\n<p>GMainLoop\u8fd0\u884c \u2502 \u251c\u2500 \u6536\u5230Dispatcher\u6d88\u606f \u2192 \u5904\u7406\u4e3b\u7ebf\u7a0b\u8bf7\u6c42&#xff08;\u8fde\u63a5\u3001\u65ad\u5f00\u7b49&#xff09; \u2502 \u251c\u2500 \u5b9a\u65f6\u5668\u89e6\u53d1 \u2192 \u5904\u7406QXL\u547d\u4ee4\u73af \u2502 \u2514\u2500 \u8bfb\u53d6\u547d\u4ee4 \u2192 \u5904\u7406\u547d\u4ee4 \u2192 \u53d1\u9001\u5230\u5ba2\u6237\u7aef \u2502 \u2514\u2500 \u7f51\u7edc\u53ef\u5199 \u2192 \u53d1\u9001\u961f\u5217\u4e2d\u7684\u6570\u636e<\/p>\n<h4>Worker\u521b\u5efa<\/h4>\n<p>Worker\u7684\u521b\u5efa\u662fSPICE\u591a\u7ebf\u7a0b\u67b6\u6784\u7684\u5173\u952e\u6b65\u9aa4&#xff0c;\u6bcf\u4e2aQXL\u8bbe\u5907\u5bf9\u5e94\u4e00\u4e2a\u72ec\u7acb\u7684Worker\u7ebf\u7a0b\u3002<\/p>\n<p><span class=\"token comment\">\/\/ red-qxl.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5f53QXL\u8bbe\u5907\u88ab\u6dfb\u52a0\u5230QEMU\u65f6\u8c03\u7528<\/span><br \/>\n<span class=\"token comment\">\/\/ \u8fd9\u901a\u5e38\u53d1\u751f\u5728VM\u542f\u52a8\u6216\u70ed\u63d2\u62d4\u663e\u5361\u65f6<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">red_qxl_init<\/span><span class=\"token punctuation\">(<\/span>RedsState <span class=\"token operator\">*<\/span>reds<span class=\"token punctuation\">,<\/span> QXLInstance <span class=\"token operator\">*<\/span>qxl<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaQXL\u72b6\u6001\u7ed3\u6784 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ QXLState\u662fSPICE\u5bf9QXL\u8bbe\u5907\u7684\u79c1\u6709\u6570\u636e<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b58\u50a8\u5728qxl-&gt;st\u4e2d&#xff0c;\u4f9b\u540e\u7eed\u4f7f\u7528<\/span><br \/>\n    QXLState <span class=\"token operator\">*<\/span>qxl_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_new0<\/span><span class=\"token punctuation\">(<\/span>QXLState<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    qxl<span class=\"token operator\">-&gt;<\/span>st <span class=\"token operator\">&#061;<\/span> qxl_state<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u8bbe\u7f6e\u5173\u8054 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    qxl_state<span class=\"token operator\">-&gt;<\/span>reds <span class=\"token operator\">&#061;<\/span> reds<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u6307\u5411\u4e3b\u670d\u52a1\u5668<\/span><br \/>\n    qxl_state<span class=\"token operator\">-&gt;<\/span>id <span class=\"token operator\">&#061;<\/span> qxl<span class=\"token operator\">-&gt;<\/span>id<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u8bbe\u5907ID&#xff08;0, 1, 2&#8230;&#xff09;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaDispatcher &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Dispatcher\u662f\u4e3b\u7ebf\u7a0b\u548cWorker\u7ebf\u7a0b\u4e4b\u95f4\u7684\u6d88\u606f\u961f\u5217<\/span><br \/>\n    <span class=\"token comment\">\/\/ WORKER_MESSAGES_NUM\u662f\u6d88\u606f\u7c7b\u578b\u7684\u6570\u91cf<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5185\u90e8\u4f7f\u7528socketpair\u5b9e\u73b0<\/span><br \/>\n    qxl_state<span class=\"token operator\">-&gt;<\/span>dispatcher <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">dispatcher_new<\/span><span class=\"token punctuation\">(<\/span>WORKER_MESSAGES_NUM<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaWorker\u5b9e\u4f8b &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Worker\u5305\u542b\u7ebf\u7a0b\u72b6\u6001\u548c\u76f8\u5173\u901a\u9053<\/span><br \/>\n    qxl_state<span class=\"token operator\">-&gt;<\/span>worker <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">red_worker_new<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6ce8\u518c\u5230\u670d\u52a1\u5668 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u652f\u6301\u591a\u663e\u5361\u914d\u7f6e<\/span><br \/>\n    reds<span class=\"token operator\">-&gt;<\/span>qxl_instances <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_list_prepend<\/span><span class=\"token punctuation\">(<\/span>reds<span class=\"token operator\">-&gt;<\/span>qxl_instances<span class=\"token punctuation\">,<\/span> qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u542f\u52a8Worker\u7ebf\u7a0b &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4ece\u8fd9\u91cc\u5f00\u59cb&#xff0c;Worker\u7ebf\u7a0b\u72ec\u7acb\u8fd0\u884c<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u901a\u8fc7Dispatcher\u4e0e\u4e3b\u7ebf\u7a0b\u901a\u4fe1<\/span><br \/>\n    <span class=\"token function\">pthread_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>qxl_state<span class=\"token operator\">-&gt;<\/span>worker<span class=\"token operator\">-&gt;<\/span>thread<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                   red_worker_main<span class=\"token punctuation\">,<\/span> qxl_state<span class=\"token operator\">-&gt;<\/span>worker<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u521b\u5efaWorker\u5b9e\u4f8b&#xff08;\u5728\u4e3b\u7ebf\u7a0b\u6267\u884c&#xff09;<\/span><br \/>\nRedWorker <span class=\"token operator\">*<\/span><span class=\"token function\">red_worker_new<\/span><span class=\"token punctuation\">(<\/span>QXLInstance <span class=\"token operator\">*<\/span>qxl<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    RedWorker <span class=\"token operator\">*<\/span>worker <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_new0<\/span><span class=\"token punctuation\">(<\/span>RedWorker<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    worker<span class=\"token operator\">-&gt;<\/span>qxl <span class=\"token operator\">&#061;<\/span> qxl<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521d\u59cb\u5316\u4e8b\u4ef6\u8d85\u65f6 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ INF_EVENT_WAIT\u8868\u793a\u65e0\u9650\u7b49\u5f85<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6709\u547d\u4ee4\u6216\u8fde\u63a5\u65f6\u4f1a\u88ab\u5524\u9192<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>event_timeout <span class=\"token operator\">&#061;<\/span> INF_EVENT_WAIT<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521d\u59cb\u5316\u5185\u5b58\u69fd &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ QXL\u4f7f\u7528&#034;\u5185\u5b58\u69fd&#034;\u673a\u5236\u8bbf\u95eeGuest\u5185\u5b58<\/span><br \/>\n    <span class=\"token comment\">\/\/ Guest\u5730\u5740 \u2192 \u5185\u5b58\u69fd \u2192 Host\u5730\u5740<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u662f\u865a\u62df\u5316\u7684\u5173\u952e&#xff1a;\u9694\u79bbGuest\u548cHost\u5730\u5740\u7a7a\u95f4<\/span><br \/>\n    <span class=\"token function\">red_memslot_info_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>mem_slots<span class=\"token punctuation\">,<\/span><br \/>\n                          <span class=\"token function\">qxl_get_memslot_generation<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u69fd\u4ee3\u6570&#xff08;\u70ed\u63d2\u62d4\u65f6\u9012\u589e&#xff09;<\/span><br \/>\n                          <span class=\"token function\">qxl_get_id<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>                   <span class=\"token comment\">\/\/ \u8bbe\u5907ID<\/span><br \/>\n                          <span class=\"token function\">qxl_get_n_memslots<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>           <span class=\"token comment\">\/\/ \u69fd\u6570\u91cf<\/span><br \/>\n                          <span class=\"token function\">qxl_get_memslot_slot_gen_bits<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token comment\">\/\/ \u4ee3\u6570\u4f4d\u6570<\/span><br \/>\n                          <span class=\"token function\">qxl_get_memslot_addr_gen_bits<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token comment\">\/\/ \u5730\u5740\u4f4d\u6570<\/span><br \/>\n                          <span class=\"token function\">qxl_get_memslot_internal_mask<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/ \u5185\u90e8\u63a9\u7801<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaDisplayChannel &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ qxl-&gt;id\u4f5c\u4e3a\u901a\u9053ID&#xff0c;\u652f\u6301\u591a\u663e\u793a\u5668<\/span><br \/>\n    <span class=\"token comment\">\/\/ &amp;worker-&gt;core: Worker\u7ebf\u7a0b\u7684\u4e8b\u4ef6\u5faa\u73af\u63a5\u53e3<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>display_channel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">DisplayChannel<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token function\">qxl_get_server<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> qxl<span class=\"token operator\">-&gt;<\/span>id<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>core<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaCursorChannel &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5149\u6807\u901a\u9053\u4e0e\u663e\u793a\u901a\u9053\u914d\u5bf9<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5904\u7406\u9f20\u6807\u5149\u6807\u7684\u56fe\u50cf\u548c\u4f4d\u7f6e<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>cursor_channel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">CursorChannel<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token function\">qxl_get_server<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> qxl<span class=\"token operator\">-&gt;<\/span>id<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>core<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> worker<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>Worker\u521b\u5efa\u6d41\u7a0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124909-6988864584d9a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4e3a\u4ec0\u4e48\u6bcf\u4e2aQXL\u5bf9\u5e94\u4e00\u4e2aWorker&#xff1f;<\/p>\n<li>\u5e76\u884c\u5904\u7406&#xff1a;\u591a\u663e\u793a\u5668\u53ef\u4ee5\u5e76\u884c\u538b\u7f29\u548c\u53d1\u9001\u56fe\u50cf<\/li>\n<li>\u9694\u79bb\u6027&#xff1a;\u4e00\u4e2a\u663e\u793a\u5668\u7684\u5904\u7406\u4e0d\u963b\u585e\u5176\u4ed6\u663e\u793a\u5668<\/li>\n<li>\u7b80\u5355\u6027&#xff1a;\u6bcf\u4e2aWorker\u53ea\u9700\u5904\u7406\u4e00\u4e2aQXL\u8bbe\u5907<\/li>\n<li>\u53ef\u6269\u5c55&#xff1a;\u6613\u4e8e\u652f\u6301\u66f4\u591a\u663e\u793a\u5668<\/li>\n<h4>Worker\u4e3b\u5faa\u73af<\/h4>\n<p>Worker\u7ebf\u7a0b\u7684\u5165\u53e3\u51fd\u6570&#xff0c;\u8d1f\u8d23\u521d\u59cb\u5316\u7ebf\u7a0b\u73af\u5883\u5e76\u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af\u3002<\/p>\n<p><span class=\"token comment\">\/\/ red-worker.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ Worker\u7ebf\u7a0b\u5165\u53e3\u70b9<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">red_worker_main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    RedWorker <span class=\"token operator\">*<\/span>worker <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>RedWorker <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>arg<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u8bbe\u7f6e\u7ebf\u7a0b\u540d\u79f0 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u65b9\u4fbf\u8c03\u8bd5\u548c\u76d1\u63a7&#xff08;\u5982top -H\u3001ps -T&#xff09;<\/span><br \/>\n    <span class=\"token function\">pthread_setname_np<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">pthread_self<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;SPICE Worker&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u521b\u5efaGLib\u4e3b\u5faa\u73af &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ GLib\u63d0\u4f9b\u8de8\u5e73\u53f0\u7684\u4e8b\u4ef6\u5faa\u73af\u5b9e\u73b0<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53c2\u6570&#xff1a;NULL&#061;\u9ed8\u8ba4\u4e0a\u4e0b\u6587&#xff0c;FALSE&#061;\u4e0d\u662f\u6b63\u5728\u8fd0\u884c<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>loop <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">g_main_loop_new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> FALSE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6ce8\u518c\u8c03\u5ea6\u5668\u4e8b\u4ef6\u6e90 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u76d1\u542cDispatcher\u7684\u63a5\u6536\u7aefFD<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f53\u4e3b\u7ebf\u7a0b\u53d1\u9001\u6d88\u606f\u65f6&#xff0c;\u8fd9\u4e2aFD\u53d8\u5f97\u53ef\u8bfb<\/span><br \/>\n    SpiceWatch <span class=\"token operator\">*<\/span>watch <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">red_watch_add<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>core<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token function\">dispatcher_get_recv_fd<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token operator\">-&gt;<\/span>st<span class=\"token operator\">-&gt;<\/span>dispatcher<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ socketpair\u7684\u4e00\u7aef<\/span><br \/>\n        SPICE_WATCH_EVENT_READ<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u76d1\u542c\u53ef\u8bfb\u4e8b\u4ef6<\/span><br \/>\n        red_worker_dispatch<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ \u56de\u8c03\u51fd\u6570<\/span><br \/>\n        worker                    <span class=\"token comment\">\/\/ \u7528\u6237\u6570\u636e<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>dispatch_watch <span class=\"token operator\">&#061;<\/span> watch<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u4e2a\u8c03\u7528\u4f1a\u963b\u585e&#xff0c;\u76f4\u5230g_main_loop_quit\u88ab\u8c03\u7528<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5faa\u73af\u4e2d\u4f1a\u5206\u53d1&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u8c03\u5ea6\u5668\u6d88\u606f&#xff08;\u6765\u81ea\u4e3b\u7ebf\u7a0b&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u5b9a\u65f6\u5668\u4e8b\u4ef6&#xff08;\u547d\u4ee4\u5904\u7406\u5b9a\u65f6\u5668&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u7f51\u7edc\u4e8b\u4ef6&#xff08;\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u8bfb\u5199&#xff09;<\/span><br \/>\n    <span class=\"token function\">g_main_loop_run<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6e05\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token function\">g_main_loop_unref<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>Worker\u7ebf\u7a0b\u751f\u547d\u5468\u671f&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124909-698886459daed.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u547d\u4ee4\u5904\u7406<\/h4>\n<p>\u547d\u4ee4\u5904\u7406\u662fWorker\u7ebf\u7a0b\u7684\u6838\u5fc3\u5de5\u4f5c&#xff1a;\u4eceQXL\u547d\u4ee4\u73af\u8bfb\u53d6Guest\u53d1\u51fa\u7684\u56fe\u5f62\u547d\u4ee4\u5e76\u5904\u7406\u3002<\/p>\n<p><span class=\"token comment\">\/\/ red-worker.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5904\u7406\u663e\u793a\u547d\u4ee4&#xff0c;\u8fd4\u56de\u5904\u7406\u7684\u547d\u4ee4\u6570\u91cf<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">red_process_display<\/span><span class=\"token punctuation\">(<\/span>RedWorker <span class=\"token operator\">*<\/span>worker<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span>ring_is_empty<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    QXLCommandExt ext_cmd<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6269\u5c55\u547d\u4ee4\u7ed3\u6784&#xff0c;\u5305\u542b\u547d\u4ee4\u6570\u636e\u548c\u5143\u4fe1\u606f<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u5904\u7406\u7684\u547d\u4ee4\u8ba1\u6570<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u68c0\u67e5\u8bbe\u5907\u72b6\u6001 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ QXL\u8bbe\u5907\u53ef\u80fd\u88ab\u6682\u505c&#xff08;\u5982VM\u6682\u505c&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">red_qxl_is_running<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token operator\">*<\/span>ring_is_empty <span class=\"token operator\">&#061;<\/span> TRUE<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> n<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u66f4\u65b0\u7edf\u8ba1\u548c\u4ee3\u6570 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token function\">stat_inc_counter<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>total_loop_counter<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ process_display_generation\u7528\u4e8e\u907f\u514d\u91cd\u590d\u5904\u7406<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6bcf\u8f6e\u9012\u589e&#xff0c;Drawable\u4f1a\u8bb0\u5f55\u521b\u5efa\u65f6\u7684\u4ee3\u6570<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>process_display_generation<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token operator\">*<\/span>ring_is_empty <span class=\"token operator\">&#061;<\/span> FALSE<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u4e3b\u5904\u7406\u5faa\u73af &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e24\u4e2a\u9000\u51fa\u6761\u4ef6&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u5ba2\u6237\u7aef\u7ba1\u9053\u6ee1&#xff08;\u80cc\u538b&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 2. \u547d\u4ee4\u73af\u4e3a\u7a7a<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>display_channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">max_pipe_size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&#061;<\/span> MAX_PIPE_SIZE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u4ece\u547d\u4ee4\u73af\u83b7\u53d6\u547d\u4ee4 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n        <span class=\"token comment\">\/\/ QXL\u547d\u4ee4\u73af\u662fGuest\u548cSPICE\u4e4b\u95f4\u7684\u5171\u4eab\u5185\u5b58\u961f\u5217<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">red_qxl_get_command<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>ext_cmd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token operator\">*<\/span>ring_is_empty <span class=\"token operator\">&#061;<\/span> TRUE<span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u8f6e\u8be2\u91cd\u8bd5\u673a\u5236 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u547d\u4ee4\u73af\u53ef\u80fd\u6682\u65f6\u4e3a\u7a7a\u4f46\u5f88\u5feb\u4f1a\u6709\u65b0\u547d\u4ee4<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5148\u8f6e\u8be2\u51e0\u6b21&#xff0c;\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7b49\u5f85<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>display_poll_tries <span class=\"token operator\">&lt;<\/span> CMD_RING_POLL_RETRIES<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u77ed\u8d85\u65f6&#xff0c;\u5f88\u5feb\u518d\u6b21\u68c0\u67e5<\/span><br \/>\n                worker<span class=\"token operator\">-&gt;<\/span>event_timeout <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">MIN<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>event_timeout<span class=\"token punctuation\">,<\/span><br \/>\n                                           CMD_RING_POLL_TIMEOUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>display_poll_tries <span class=\"token operator\">&#061;&#061;<\/span> CMD_RING_POLL_RETRIES <span class=\"token operator\">&amp;&amp;<\/span><br \/>\n                       <span class=\"token operator\">!<\/span><span class=\"token function\">red_qxl_req_cmd_notification<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u8bf7\u6c42\u4e2d\u65ad\u901a\u77e5&#xff0c;\u4f46Guest\u521a\u597d\u653e\u5165\u4e86\u547d\u4ee4<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u7ee7\u7eed\u5904\u7406<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            worker<span class=\"token operator\">-&gt;<\/span>display_poll_tries<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> n<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u547d\u4ee4\u5f55\u5236&#xff08;\u8c03\u8bd5\u529f\u80fd&#xff09; &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5f55\u5236\u6240\u6709QXL\u547d\u4ee4\u7528\u4e8e\u56de\u653e\u8c03\u8bd5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>record<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">red_record_qxl_command<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>record<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>mem_slots<span class=\"token punctuation\">,<\/span> ext_cmd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token function\">stat_inc_counter<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>command_counter<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        worker<span class=\"token operator\">-&gt;<\/span>display_poll_tries <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u91cd\u7f6e\u8f6e\u8be2\u8ba1\u6570<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u547d\u4ee4\u5206\u53d1 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n        <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>ext_cmd<span class=\"token punctuation\">.<\/span>cmd<span class=\"token punctuation\">.<\/span>type<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> QXL_CMD_DRAW<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u7ed8\u56fe\u547d\u4ee4 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6700\u5e38\u89c1\u7684\u547d\u4ee4&#xff1a;\u586b\u5145\u3001\u590d\u5236\u3001\u900f\u660e\u6df7\u5408\u7b49<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5c06QXL\u683c\u5f0f\u8f6c\u6362\u4e3aSPICE\u5185\u90e8\u683c\u5f0f<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> red_drawable <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">red_drawable_new<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>mem_slots<span class=\"token punctuation\">,<\/span><br \/>\n                ext_cmd<span class=\"token punctuation\">.<\/span>group_id<span class=\"token punctuation\">,<\/span> ext_cmd<span class=\"token punctuation\">.<\/span>cmd<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">,<\/span><br \/>\n                ext_cmd<span class=\"token punctuation\">.<\/span>flags<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>red_drawable<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5904\u7406\u7ed8\u56fe&#xff1a;\u6784\u5efa\u547d\u4ee4\u6811&#xff0c;\u68c0\u6d4b\u89c6\u9891\u6d41\u7b49<\/span><br \/>\n                <span class=\"token comment\">\/\/ std::move\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u62f7\u8d1d<\/span><br \/>\n                <span class=\"token function\">display_channel_process_draw<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                    worker<span class=\"token operator\">-&gt;<\/span>display_channel<span class=\"token punctuation\">,<\/span><br \/>\n                    std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">move<\/span><span class=\"token punctuation\">(<\/span>red_drawable<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    worker<span class=\"token operator\">-&gt;<\/span>process_display_generation<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">case<\/span> QXL_CMD_UPDATE<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u66f4\u65b0\u547d\u4ee4 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5f3a\u5236\u5237\u65b0\u6307\u5b9a\u533a\u57df&#xff0c;\u901a\u5e38\u7528\u4e8e&#xff1a;<\/span><br \/>\n            <span class=\"token comment\">\/\/ &#8211; \u89c6\u9891\u64ad\u653e&#xff08;\u76f4\u63a5\u5199\u5165framebuffer\u7684\u573a\u666f&#xff09;<\/span><br \/>\n            <span class=\"token comment\">\/\/ &#8211; \u67d0\u4e9b\u7279\u6b8a\u7ed8\u56fe\u64cd\u4f5c<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> update_cmd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">red_update_cmd_new<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>mem_slots<span class=\"token punctuation\">,<\/span><br \/>\n                ext_cmd<span class=\"token punctuation\">.<\/span>group_id<span class=\"token punctuation\">,<\/span> ext_cmd<span class=\"token punctuation\">.<\/span>cmd<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>update_cmd<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">display_channel_process_update<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                    worker<span class=\"token operator\">-&gt;<\/span>display_channel<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">move<\/span><span class=\"token punctuation\">(<\/span>update_cmd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">case<\/span> QXL_CMD_MESSAGE<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6d88\u606f\u547d\u4ee4 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n            <span class=\"token comment\">\/\/ Guest\u9a71\u52a8\u53d1\u9001\u7684\u8c03\u8bd5\u6d88\u606f<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8f93\u51fa\u5230\u65e5\u5fd7&#xff0c;\u5e2e\u52a9\u8c03\u8bd5\u9a71\u52a8\u95ee\u9898<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> message <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">red_message_new<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>worker<span class=\"token operator\">-&gt;<\/span>mem_slots<span class=\"token punctuation\">,<\/span><br \/>\n                ext_cmd<span class=\"token punctuation\">.<\/span>group_id<span class=\"token punctuation\">,<\/span> ext_cmd<span class=\"token punctuation\">.<\/span>cmd<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u91ca\u653eGuest\u8d44\u6e90<\/span><br \/>\n                <span class=\"token function\">red_qxl_release_resource<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token punctuation\">,<\/span> message<span class=\"token operator\">-&gt;<\/span>release_info_ext<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">case<\/span> QXL_CMD_SURFACE<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; Surface\u547d\u4ee4 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u6216\u9500\u6bc1Surface<\/span><br \/>\n            <span class=\"token comment\">\/\/ Surface\u662f\u7ed8\u56fe\u7684\u76ee\u6807\u753b\u5e03<\/span><br \/>\n            <span class=\"token function\">red_process_surface_cmd<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>ext_cmd<span class=\"token punctuation\">,<\/span> FALSE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n            <span class=\"token function\">spice_warning<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;bad command type %d&#034;<\/span><span class=\"token punctuation\">,<\/span> ext_cmd<span class=\"token punctuation\">.<\/span>cmd<span class=\"token punctuation\">.<\/span>type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        n<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5faa\u73af\u56e0\u7ba1\u9053\u6ee1\u800c\u9000\u51fa<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>was_blocked <span class=\"token operator\">&#061;<\/span> TRUE<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> n<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u547d\u4ee4\u5904\u7406\u6d41\u7a0b\u56fe&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124910-69888646283a5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u8c03\u5ea6\u5668\u6d88\u606f\u5904\u7406<\/h4>\n<p>\u8c03\u5ea6\u5668\u6d88\u606f\u662f\u4e3b\u7ebf\u7a0b\u5411Worker\u7ebf\u7a0b\u53d1\u9001\u8bf7\u6c42\u7684\u673a\u5236&#xff0c;Worker\u901a\u8fc7\u4e8b\u4ef6\u5faa\u73af\u5f02\u6b65\u5904\u7406\u8fd9\u4e9b\u6d88\u606f\u3002<\/p>\n<p><span class=\"token comment\">\/\/ red-worker.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ Dispatcher FD\u53ef\u8bfb\u65f6\u7684\u56de\u8c03&#xff08;\u6709\u6d88\u606f\u5230\u8fbe&#xff09;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">red_worker_dispatch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> event<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>opaque<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    RedWorker <span class=\"token operator\">*<\/span>worker <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>RedWorker <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>opaque<span class=\"token punctuation\">;<\/span><br \/>\n    Dispatcher <span class=\"token operator\">*<\/span>dispatcher <span class=\"token operator\">&#061;<\/span> worker<span class=\"token operator\">-&gt;<\/span>qxl<span class=\"token operator\">-&gt;<\/span>st<span class=\"token operator\">-&gt;<\/span>dispatcher<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5904\u7406\u5230\u8fbe\u7684\u6d88\u606f &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ dispatcher_handle\u4f1a&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u4ecesocketpair\u8bfb\u53d6\u6d88\u606f<\/span><br \/>\n    <span class=\"token comment\">\/\/ 2. \u6839\u636e\u6d88\u606f\u7c7b\u578b\u8c03\u7528\u5bf9\u5e94\u5904\u7406\u51fd\u6570<\/span><br \/>\n    <span class=\"token comment\">\/\/ 3. \u53d1\u9001ACK&#xff08;\u5982\u679c\u662f\u540c\u6b65\u6d88\u606f&#xff09;<\/span><br \/>\n    <span class=\"token function\">dispatcher_handle<\/span><span class=\"token punctuation\">(<\/span>dispatcher<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6d88\u606f\u7c7b\u578b\u5b9a\u4e49 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u8fd9\u4e9b\u6d88\u606f\u7c7b\u578b\u8986\u76d6\u4e86\u4e3b\u7ebf\u7a0b\u9700\u8981\u901a\u77e5Worker\u7684\u6240\u6709\u573a\u666f<\/span><br \/>\n<span class=\"token keyword\">enum<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8212;&#8211; \u57fa\u672c\u63a7\u5236 &#8212;&#8211;<\/span><br \/>\n    WORKER_MESSAGE_WAKEUP<span class=\"token punctuation\">,<\/span>           <span class=\"token comment\">\/\/ \u5524\u9192Worker\u5904\u7406\u547d\u4ee4<\/span><br \/>\n    WORKER_MESSAGE_OOM<span class=\"token punctuation\">,<\/span>              <span class=\"token comment\">\/\/ \u5185\u5b58\u4e0d\u8db3\u8b66\u544a<\/span><br \/>\n    WORKER_MESSAGE_READY<span class=\"token punctuation\">,<\/span>            <span class=\"token comment\">\/\/ Worker\u521d\u59cb\u5316\u5b8c\u6210\u786e\u8ba4<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#8212;&#8211; \u8fde\u63a5\u7ba1\u7406 &#8212;&#8211;<\/span><br \/>\n    WORKER_MESSAGE_DISPLAY_CONNECT<span class=\"token punctuation\">,<\/span>     <span class=\"token comment\">\/\/ \u65b0\u5ba2\u6237\u7aef\u8fde\u63a5Display\u901a\u9053<\/span><br \/>\n    WORKER_MESSAGE_DISPLAY_DISCONNECT<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u65ad\u5f00Display\u901a\u9053<\/span><br \/>\n    WORKER_MESSAGE_DISPLAY_MIGRATE<span class=\"token punctuation\">,<\/span>     <span class=\"token comment\">\/\/ \u8fc1\u79fb\u76f8\u5173<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#8212;&#8211; \u8bbe\u5907\u63a7\u5236 &#8212;&#8211;<\/span><br \/>\n    WORKER_MESSAGE_START<span class=\"token punctuation\">,<\/span>            <span class=\"token comment\">\/\/ \u542f\u52a8\u5904\u7406&#xff08;VM\u542f\u52a8\/\u6062\u590d&#xff09;<\/span><br \/>\n    WORKER_MESSAGE_STOP<span class=\"token punctuation\">,<\/span>             <span class=\"token comment\">\/\/ \u505c\u6b62\u5904\u7406&#xff08;VM\u6682\u505c&#xff09;<\/span><br \/>\n    WORKER_MESSAGE_LOADVM_COMMANDS<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u52a0\u8f7dVM\u5feb\u7167\u4e2d\u7684\u547d\u4ee4<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#8212;&#8211; \u914d\u7f6e\u66f4\u65b0 &#8212;&#8211;<\/span><br \/>\n    WORKER_MESSAGE_MONITORS_CONFIG_ASYNC<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u663e\u793a\u5668\u914d\u7f6e\u53d8\u66f4<\/span><br \/>\n    WORKER_MESSAGE_DRIVER_UNLOAD<span class=\"token punctuation\">,<\/span>    <span class=\"token comment\">\/\/ \u9a71\u52a8\u5378\u8f7d\u901a\u77e5<\/span><\/p>\n<p>    WORKER_MESSAGES_NUM<span class=\"token punctuation\">,<\/span>             <span class=\"token comment\">\/\/ \u6d88\u606f\u7c7b\u578b\u603b\u6570<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5904\u7406\u663e\u793a\u901a\u9053\u8fde\u63a5 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5f53\u5ba2\u6237\u7aef\u8fde\u63a5DisplayChannel\u65f6&#xff0c;\u4e3b\u7ebf\u7a0b\u53d1\u9001\u6b64\u6d88\u606f<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handle_display_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>opaque<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>payload<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    RedWorker <span class=\"token operator\">*<\/span>worker <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>RedWorker <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>opaque<span class=\"token punctuation\">;<\/span><br \/>\n    WorkerMessageDisplayConnect <span class=\"token operator\">*<\/span>msg <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>WorkerMessageDisplayConnect <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>payload<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5728Worker\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u4e2d\u5904\u7406\u8fde\u63a5 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u5f88\u91cd\u8981&#xff1a;DisplayChannel\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u5728Worker\u7ebf\u7a0b\u6267\u884c<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u907f\u514d\u4e86\u4e3b\u7ebf\u7a0b\u548cWorker\u7ebf\u7a0b\u7ade\u4e89\u901a\u9053\u6570\u636e\u7ed3\u6784<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span>display_channel<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">on_connect<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        msg<span class=\"token operator\">-&gt;<\/span>client<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u5bf9\u8c61<\/span><br \/>\n        msg<span class=\"token operator\">-&gt;<\/span>stream<span class=\"token punctuation\">,<\/span>      <span class=\"token comment\">\/\/ TCP\u8fde\u63a5\u6d41<\/span><br \/>\n        msg<span class=\"token operator\">-&gt;<\/span>migration<span class=\"token punctuation\">,<\/span>   <span class=\"token comment\">\/\/ \u662f\u5426\u662f\u8fc1\u79fb\u8fde\u63a5<\/span><br \/>\n        msg<span class=\"token operator\">-&gt;<\/span>caps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u80fd\u529b<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u91ca\u653e\u6df1\u62f7\u8d1d\u7684\u80fd\u529b\u6570\u636e<\/span><br \/>\n    <span class=\"token function\">g_free<\/span><span class=\"token punctuation\">(<\/span>msg<span class=\"token operator\">-&gt;<\/span>caps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6d88\u606f\u5904\u7406\u67b6\u6784&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124910-6988864697c71.png\" alt=\"\" \/><\/p>\n<table>\n<tr>\u6b65\u9aa4\u7ebf\u7a0b\u64cd\u4f5c<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u4e3b\u7ebf\u7a0b<\/td>\n<td>\u5ba2\u6237\u7aef\u8fde\u63a5DisplayChannel<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u4e3b\u7ebf\u7a0b<\/td>\n<td>\u8c03\u7528dispatcher_send(DISPLAY_CONNECT)<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>&#8211;<\/td>\n<td>\u6d88\u606f\u901a\u8fc7socketpair\u4f20\u8f93<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Worker\u7ebf\u7a0b<\/td>\n<td>red_worker_dispatch()\u88ab\u89e6\u53d1<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Worker\u7ebf\u7a0b<\/td>\n<td>dispatcher_handle()\u8bfb\u53d6\u6d88\u606f\u7c7b\u578b<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Worker\u7ebf\u7a0b<\/td>\n<td>\u67e5\u627e\u5904\u7406\u51fd\u6570handlers[DISPLAY_CONNECT]<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>Worker\u7ebf\u7a0b<\/td>\n<td>\u6267\u884chandle_display_connect()<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>Worker\u7ebf\u7a0b<\/td>\n<td>\u5199\u5165ACK&#xff0c;\u4e3b\u7ebf\u7a0b\u7ee7\u7eed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e3a\u4ec0\u4e48\u8fde\u63a5\u8981\u5728Worker\u7ebf\u7a0b\u5904\u7406&#xff1f;<\/p>\n<table>\n<tr>\u65b9\u6848\u4f18\u70b9\u7f3a\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u4e3b\u7ebf\u7a0b\u5904\u7406<\/td>\n<td>\u7b80\u5355<\/td>\n<td>\u9700\u8981\u52a0\u9501\u4fdd\u62a4\u901a\u9053\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>Worker\u7ebf\u7a0b\u5904\u7406<\/td>\n<td>\u65e0\u9501\u3001\u5b89\u5168<\/td>\n<td>\u9700\u8981\u8de8\u7ebf\u7a0b\u6d88\u606f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>SPICE\u9009\u62e9Worker\u7ebf\u7a0b\u5904\u7406&#xff0c;\u56e0\u4e3aDisplayChannel\u7684\u6240\u6709\u6570\u636e\u7ed3\u6784\u90fd\u7531Worker\u7ebf\u7a0b\u72ec\u5360\u8bbf\u95ee&#xff0c;\u65e0\u9700\u540c\u6b65\u5f00\u9500\u3002<\/p>\n<h3>\u4e3b\u7ebf\u7a0b\u4e0eWorker\u901a\u4fe1<\/h3>\n<h4>Dispatcher\u673a\u5236<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124910-6988864697c71.png\" alt=\"\" \/><\/p>\n<p>\u4e3b\u7ebf\u7a0b\u548cWorker\u7ebf\u7a0b\u4e4b\u95f4\u901a\u8fc7Dispatcher\u8fdb\u884c\u5b89\u5168\u7684\u8de8\u7ebf\u7a0b\u901a\u4fe1\u3002Dispatcher\u57fa\u4e8eUnix socketpair\u5b9e\u73b0&#xff0c;\u63d0\u4f9b\u4e86\u540c\u6b65\u548c\u5f02\u6b65\u4e24\u79cd\u6d88\u606f\u53d1\u9001\u6a21\u5f0f&#xff1a;<\/p>\n<p>\u540c\u6b65\u6a21\u5f0f&#xff08;ACK_SYNC&#xff09;&#xff1a;\u53d1\u9001\u8005\u53d1\u9001\u6d88\u606f\u540e\u963b\u585e\u7b49\u5f85&#xff0c;\u76f4\u5230Worker\u7ebf\u7a0b\u5904\u7406\u5b8c\u6210\u5e76\u8fd4\u56de\u786e\u8ba4\u3002\u8fd9\u7528\u4e8e\u9700\u8981\u786e\u4fdd\u64cd\u4f5c\u5b8c\u6210\u624d\u80fd\u7ee7\u7eed\u7684\u573a\u666f&#xff0c;\u5982\u5ba2\u6237\u7aef\u8fde\u63a5\u5efa\u7acb\u3002<\/p>\n<p>\u5f02\u6b65\u6a21\u5f0f&#xff08;ACK_ASYNC&#xff09;&#xff1a;\u53d1\u9001\u8005\u53d1\u9001\u6d88\u606f\u540e\u7acb\u5373\u8fd4\u56de&#xff0c;\u4e0d\u7b49\u5f85\u5904\u7406\u5b8c\u6210\u3002\u8fd9\u7528\u4e8e\u4e0d\u9700\u8981\u7acb\u5373\u53cd\u9988\u7684\u573a\u666f&#xff0c;\u5982\u5524\u9192Worker\u5904\u7406\u65b0\u547d\u4ee4\u3002<\/p>\n<p><span class=\"token comment\">\/\/ dispatcher.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ Dispatcher\u7c7b\u5b9e\u73b0\u7ebf\u7a0b\u95f4\u7684\u6d88\u606f\u4f20\u9012<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Dispatcher<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u540c\u6b65\u6d88\u606f\u53d1\u9001 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53d1\u9001\u6d88\u606f\u5e76\u963b\u585e\u7b49\u5f85Worker\u5904\u7406\u5b8c\u6210<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7528\u4e8e&#xff1a;\u5ba2\u6237\u7aef\u8fde\u63a5\u3001\u65ad\u5f00\u7b49\u9700\u8981\u786e\u4fdd\u5b8c\u6210\u7684\u64cd\u4f5c<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">send_message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint32_t<\/span> type<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>payload<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5f02\u6b65\u6d88\u606f\u53d1\u9001 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53d1\u9001\u6d88\u606f\u540e\u7acb\u5373\u8fd4\u56de&#xff0c;\u4e0d\u7b49\u5f85<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7528\u4e8e&#xff1a;\u5524\u9192\u3001\u901a\u77e5\u7b49\u4e0d\u9700\u8981\u786e\u8ba4\u7684\u64cd\u4f5c<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">send_message_async<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint32_t<\/span> type<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>payload<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u4e8b\u4ef6\u5faa\u73af\u96c6\u6210 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd4\u56de\u63a5\u6536\u7aefFD&#xff0c;\u7528\u4e8e\u6ce8\u518c\u5230\u4e8b\u4ef6\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">get_recv_fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6d88\u606f\u5904\u7406 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4ece\u961f\u5217\u8bfb\u53d6\u5e76\u5904\u7406\u4e00\u4e2a\u6d88\u606f<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">handle_message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> send_fd<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ socketpair\u53d1\u9001\u7aef<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> recv_fd<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ socketpair\u63a5\u6536\u7aef<\/span><br \/>\n    DispatcherMessage handlers<span class=\"token punctuation\">[<\/span>MAX_MESSAGES<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6d88\u606f\u5904\u7406\u5668\u6570\u7ec4<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u540c\u6b65\u53d1\u9001\u6d88\u606f\u7684\u5b9e\u73b0<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Dispatcher<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">send_message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint32_t<\/span> type<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>payload<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5199\u5165\u6d88\u606f\u5230socketpair &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6d88\u606f\u683c\u5f0f\u7b80\u5355&#xff1a;[\u7c7b\u578b][\u8f7d\u8377\u6307\u9488]<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> msg<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> type<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>payload <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>send_fd<span class=\"token punctuation\">,<\/span> msg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>msg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u7b49\u5f85\u5904\u7406\u5b8c\u6210\u786e\u8ba4 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Worker\u5904\u7406\u5b8c\u6d88\u606f\u540e\u4f1a\u5199\u5165\u4e00\u4e2a\u5b57\u8282\u7684ACK<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u91cc\u963b\u585e\u8bfb\u53d6&#xff0c;\u5b9e\u73b0\u540c\u6b65\u8bed\u4e49<\/span><br \/>\n    <span class=\"token keyword\">uint8_t<\/span> ack<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>recv_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>ack<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b64\u65f6\u53ef\u4ee5\u5b89\u5168\u5730\u8ba4\u4e3aWorker\u5df2\u7ecf\u5904\u7406\u5b8c\u6210<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e3a\u4ec0\u4e48\u4f7f\u7528socketpair\u800c\u4e0d\u662f\u9501&#xff1f;<\/p>\n<li>\u7b80\u5355\u6027&#xff1a;\u6d88\u606f\u4f20\u9012\u6bd4\u5171\u4eab\u5185\u5b58&#043;\u9501\u66f4\u5bb9\u6613\u7406\u89e3\u548c\u8c03\u8bd5<\/li>\n<li>\u4e8b\u4ef6\u9a71\u52a8&#xff1a;socketpair\u7684FD\u53ef\u4ee5\u76f4\u63a5\u7528\u4e8eepoll\/poll<\/li>\n<li>\u65e0\u6b7b\u9501&#xff1a;\u6d88\u606f\u961f\u5217\u4e0d\u4f1a\u4ea7\u751f\u590d\u6742\u7684\u9501\u4f9d\u8d56<\/li>\n<li>\u6027\u80fd&#xff1a;\u5bf9\u4e8eSPICE\u7684\u4f7f\u7528\u573a\u666f&#xff0c;socketpair\u5f00\u9500\u53ef\u4ee5\u63a5\u53d7<\/li>\n<h4>\u8de8\u7ebf\u7a0b\u64cd\u4f5c\u793a\u4f8b<\/h4>\n<p>\u4ee5DisplayChannel\u8fde\u63a5\u4e3a\u4f8b&#xff0c;\u5c55\u793a\u5b8c\u6574\u7684\u8de8\u7ebf\u7a0b\u64cd\u4f5c\u6d41\u7a0b\u3002<\/p>\n<p><span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u4e3b\u7ebf\u7a0b&#xff1a;\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u8fd9\u4e2a\u51fd\u6570\u5728\u4e3b\u7ebf\u7a0b\u6267\u884c&#xff0c;\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u8fde\u63a5DisplayChannel\u65f6\u8c03\u7528<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">red_qxl_display_connect<\/span><span class=\"token punctuation\">(<\/span>QXLInstance <span class=\"token operator\">*<\/span>qxl<span class=\"token punctuation\">,<\/span> RedClient <span class=\"token operator\">*<\/span>client<span class=\"token punctuation\">,<\/span><br \/>\n                             RedStream <span class=\"token operator\">*<\/span>stream<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> migration<span class=\"token punctuation\">,<\/span><br \/>\n                             RedChannelCapabilities <span class=\"token operator\">*<\/span>caps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6784\u9020\u6d88\u606f\u8f7d\u8377 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6ce8\u610f&#xff1a;\u8fd9\u662f\u6808\u4e0a\u53d8\u91cf&#xff0c;\u4f46\u5185\u5bb9\u4f1a\u88ab\u590d\u5236\u5230\u6d88\u606f\u961f\u5217<\/span><br \/>\n    WorkerMessageDisplayConnect msg <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>client <span class=\"token operator\">&#061;<\/span> client<span class=\"token punctuation\">,<\/span>       <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u5bf9\u8c61\u6307\u9488&#xff08;\u4e3b\u7ebf\u7a0b\u521b\u5efa&#xff09;<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>stream <span class=\"token operator\">&#061;<\/span> stream<span class=\"token punctuation\">,<\/span>       <span class=\"token comment\">\/\/ TCP\u8fde\u63a5\u6d41&#xff08;\u4e3b\u7ebf\u7a0b\u521b\u5efa&#xff09;<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>migration <span class=\"token operator\">&#061;<\/span> migration<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u662f\u5426\u8fc1\u79fb\u8fde\u63a5<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6df1\u62f7\u8d1d\u80fd\u529b\u6570\u636e &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u80fd\u529b\u6570\u636e\u5728\u6808\u4e0a&#xff0c;\u5fc5\u987b\u62f7\u8d1d\u4e00\u4efd<\/span><br \/>\n        <span class=\"token comment\">\/\/ Worker\u7ebf\u7a0b\u5904\u7406\u65f6\u539f\u59cb\u6570\u636e\u53ef\u80fd\u5df2\u5931\u6548<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>caps <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">red_channel_capabilities_dup<\/span><span class=\"token punctuation\">(<\/span>caps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u53d1\u9001\u6d88\u606f\u5230Worker\u7ebf\u7a0b &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ dispatcher_send_message\u662f\u540c\u6b65\u8c03\u7528&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u5199\u5165\u6d88\u606f\u5230socketpair<\/span><br \/>\n    <span class=\"token comment\">\/\/ 2. \u963b\u585e\u7b49\u5f85Worker\u5904\u7406\u5b8c\u6210<\/span><br \/>\n    <span class=\"token comment\">\/\/ 3. \u6536\u5230ACK\u540e\u8fd4\u56de<\/span><br \/>\n    <span class=\"token comment\">\/\/ <\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd4\u56de\u65f6&#xff0c;Worker\u5df2\u7ecf\u5b8c\u6210\u8fde\u63a5\u5904\u7406<\/span><br \/>\n    <span class=\"token comment\">\/\/ DisplayChannelClient\u5df2\u7ecf\u521b\u5efa\u5e76\u5f00\u59cb\u5de5\u4f5c<\/span><br \/>\n    <span class=\"token function\">dispatcher_send_message<\/span><span class=\"token punctuation\">(<\/span>qxl<span class=\"token operator\">-&gt;<\/span>st<span class=\"token operator\">-&gt;<\/span>dispatcher<span class=\"token punctuation\">,<\/span><br \/>\n                           WORKER_MESSAGE_DISPLAY_CONNECT<span class=\"token punctuation\">,<\/span><br \/>\n                           <span class=\"token operator\">&amp;<\/span>msg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u6267\u884c\u5230\u8fd9\u91cc\u65f6&#xff0c;\u8fde\u63a5\u5df2\u5728Worker\u7ebf\u7a0b\u5b8c\u6210 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5b8c\u6574\u8c03\u7528\u94fe&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124911-698886472c891.png\" alt=\"\" \/><\/p>\n<p>\u4e3a\u4ec0\u4e48\u7528\u540c\u6b65\u6d88\u606f&#xff1f;<\/p>\n<p>\u5bf9\u4e8e\u8fde\u63a5\u64cd\u4f5c&#xff0c;\u4f7f\u7528\u540c\u6b65\u6d88\u606f&#xff08;\u963b\u585e\u7b49\u5f85&#xff09;\u662f\u6709\u610f\u4e49\u7684&#xff1a;<\/p>\n<li>\u786e\u4fdd\u5b8c\u6210&#xff1a;\u4e3b\u7ebf\u7a0b\u9700\u8981\u77e5\u9053\u8fde\u63a5\u662f\u5426\u6210\u529f<\/li>\n<li>\u987a\u5e8f\u4fdd\u8bc1&#xff1a;\u540e\u7eed\u64cd\u4f5c\u4f9d\u8d56\u8fde\u63a5\u5df2\u5efa\u7acb<\/li>\n<li>\u7b80\u5316\u9519\u8bef\u5904\u7406&#xff1a;\u540c\u6b65\u8fd4\u56de\u53ef\u4ee5\u7acb\u5373\u5904\u7406\u9519\u8bef<\/li>\n<p><span class=\"token comment\">\/\/ \u540c\u6b65 vs \u5f02\u6b65\u5bf9\u6bd4<\/span><br \/>\n<span class=\"token comment\">\/\/ \u540c\u6b65&#xff08;\u7528\u4e8e\u8fde\u63a5\u3001\u65ad\u5f00\u7b49&#xff09;<\/span><br \/>\n<span class=\"token function\">dispatcher_send_message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u963b\u585e\u76f4\u5230\u5b8c\u6210<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6b64\u65f6\u53ef\u4ee5\u5b89\u5168\u5730\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f02\u6b65&#xff08;\u7528\u4e8e\u5524\u9192\u3001\u901a\u77e5\u7b49&#xff09;<\/span><br \/>\n<span class=\"token function\">dispatcher_send_message_async<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7acb\u5373\u8fd4\u56de<\/span><br \/>\n<span class=\"token comment\">\/\/ Worker\u7a0d\u540e\u5904\u7406&#xff0c;\u4e0d\u4fdd\u8bc1\u987a\u5e8f<\/span><\/p>\n<h3>VM\u8fc1\u79fb\u652f\u6301<\/h3>\n<h4>\u8fc1\u79fb\u6d41\u7a0b<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260208124911-698886477f750.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>SPICE\u652f\u6301\u865a\u62df\u673a\u70ed\u8fc1\u79fb&#xff08;Live Migration&#xff09;&#xff0c;\u5141\u8bb8\u5728\u4e0d\u4e2d\u65ad\u7528\u6237\u4f1a\u8bdd\u7684\u60c5\u51b5\u4e0b\u5c06\u865a\u62df\u673a\u4ece\u4e00\u53f0\u7269\u7406\u4e3b\u673a\u8fc1\u79fb\u5230\u53e6\u4e00\u53f0\u3002\u8fc1\u79fb\u8fc7\u7a0b\u4e2d&#xff0c;SPICE\u9700\u8981\u534f\u8c03\u5ba2\u6237\u7aef\u5e73\u6ed1\u5730\u4ece\u6e90\u670d\u52a1\u5668\u5207\u6362\u5230\u76ee\u6807\u670d\u52a1\u5668\u3002<\/p>\n<p>\u8fc1\u79fb\u8fc7\u7a0b\u7684\u5173\u952e\u6b65\u9aa4&#xff1a;<\/p>\n<li>\n<p>\u8fc1\u79fb\u542f\u52a8&#xff1a;\u6e90\u7aef\u8c03\u7528reds_mig_started()\u6807\u8bb0\u8fc1\u79fb\u5f00\u59cb&#xff0c;\u6b64\u65f6\u670d\u52a1\u5668\u8fdb\u5165\u8fc1\u79fb\u6a21\u5f0f&#xff0c;\u5f00\u59cb\u6536\u96c6\u9700\u8981\u8fc1\u79fb\u7684\u72b6\u6001\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p>\u901a\u77e5\u5ba2\u6237\u7aef&#xff1a;\u6e90\u7aef\u901a\u8fc7MainChannel\u5411\u5ba2\u6237\u7aef\u53d1\u9001SPICE_MSG_MAIN_MIGRATE_BEGIN\u6d88\u606f&#xff0c;\u544a\u77e5\u76ee\u6807\u670d\u52a1\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\u3002<\/p>\n<\/li>\n<li>\n<p>\u72b6\u6001\u4fdd\u5b58&#xff1a;\u6e90\u7aef\u6536\u96c6\u5404\u4e2a\u901a\u9053\u7684\u72b6\u6001\u4fe1\u606f&#xff0c;\u5305\u62ec\u663e\u793a\u7f13\u5b58\u3001\u56fe\u50cf\u5b57\u5178\u7b49&#xff0c;\u51c6\u5907\u53d1\u9001\u7ed9\u76ee\u6807\u7aef\u3002<\/p>\n<\/li>\n<li>\n<p>\u5ba2\u6237\u7aef\u5207\u6362&#xff1a;\u5ba2\u6237\u7aef\u6536\u5230\u8fc1\u79fb\u6d88\u606f\u540e&#xff0c;\u4fdd\u5b58\u5f53\u524d\u901a\u9053\u72b6\u6001&#xff0c;\u65ad\u5f00\u4e0e\u6e90\u7aef\u7684\u8fde\u63a5&#xff0c;\u7136\u540e\u8fde\u63a5\u5230\u76ee\u6807\u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u72b6\u6001\u6062\u590d&#xff1a;\u76ee\u6807\u7aef\u63a5\u6536\u5ba2\u6237\u7aef\u8fde\u63a5\u540e&#xff0c;\u8c03\u7528reds_mig_completed()\u5b8c\u6210\u8fc1\u79fb&#xff0c;\u6062\u590d\u901a\u9053\u72b6\u6001&#xff0c;\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<\/li>\n<p>\u6574\u4e2a\u8fc7\u7a0b\u5bf9\u7528\u6237\u6765\u8bf4\u5e94\u8be5\u662f\u900f\u660e\u7684&#xff0c;\u6700\u591a\u53ea\u4f1a\u611f\u53d7\u5230\u77ed\u6682\u7684\u753b\u9762\u505c\u987f\u3002<\/p>\n<h4>\u8fc1\u79fb\u6570\u636e\u51c6\u5907<\/h4>\n<p>VM\u8fc1\u79fb\u65f6\u9700\u8981\u5c06SPICE\u4f1a\u8bdd\u72b6\u6001\u4ece\u6e90\u4e3b\u673a\u4f20\u8f93\u5230\u76ee\u6807\u4e3b\u673a&#xff0c;\u8fd9\u9700\u8981\u5e8f\u5217\u5316\u5404\u79cd\u72b6\u6001\u6570\u636e\u3002<\/p>\n<p><span class=\"token comment\">\/\/ main-channel.cpp<\/span><br \/>\n<span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u89e6\u53d1\u8fc1\u79fb\u6570\u636e\u53d1\u9001 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5f53\u8fc1\u79fb\u5f00\u59cb\u65f6&#xff0c;\u5c06\u8fc1\u79fb\u6570\u636e\u9879\u6dfb\u52a0\u5230\u7ba1\u9053<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main_channel_push_migrate_data_item<\/span><span class=\"token punctuation\">(<\/span>MainChannel <span class=\"token operator\">*<\/span>main_chan<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u4e00\u4e2a\u7ba1\u9053\u9879&#xff0c;\u7a0d\u540e\u4f1a\u89e6\u53d1\u5e8f\u5217\u5316<\/span><br \/>\n    <span class=\"token comment\">\/\/ RED_PIPE_ITEM_TYPE_MAIN_MIGRATE_DATA\u662f\u4e00\u4e2a\u6807\u8bb0<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b9e\u9645\u6570\u636e\u5728\u53d1\u9001\u65f6\u624d\u751f\u6210<\/span><br \/>\n    main_chan<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">pipes_add_type<\/span><span class=\"token punctuation\">(<\/span>RED_PIPE_ITEM_TYPE_MAIN_MIGRATE_DATA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5e8f\u5217\u5316\u8fc1\u79fb\u6570\u636e &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5f53\u7ba1\u9053\u9879\u88ab\u53d1\u9001\u65f6\u8c03\u7528&#xff0c;\u5c06\u72b6\u6001\u5e8f\u5217\u5316\u4e3a\u7f51\u7edc\u683c\u5f0f<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">marshall_migrate_data<\/span><span class=\"token punctuation\">(<\/span>SpiceMarshaller <span class=\"token operator\">*<\/span>m<span class=\"token punctuation\">,<\/span> RedChannelClient <span class=\"token operator\">*<\/span>rcc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5199\u5165\u6570\u636e\u5934 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Magic\u7528\u4e8e\u9a8c\u8bc1\u6570\u636e\u5b8c\u6574\u6027<\/span><br \/>\n    <span class=\"token comment\">\/\/ Version\u7528\u4e8e\u5904\u7406\u7248\u672c\u517c\u5bb9\u6027<\/span><br \/>\n    SpiceMigrateDataHeader header<span class=\"token punctuation\">;<\/span><br \/>\n    header<span class=\"token punctuation\">.<\/span>magic <span class=\"token operator\">&#061;<\/span> SPICE_MIGRATE_DATA_MAIN_MAGIC<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ 0x&#8230; \u7279\u5b9a\u503c<\/span><br \/>\n    header<span class=\"token punctuation\">.<\/span>version <span class=\"token operator\">&#061;<\/span> SPICE_MIGRATE_DATA_MAIN_VERSION<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f53\u524d\u7248\u672c\u53f7<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ SpiceMarshaller\u662fSPICE\u7684\u5e8f\u5217\u5316\u5de5\u5177<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u6570\u636e\u6536\u96c6\u5230\u7f13\u51b2\u533a&#xff0c;\u7a0d\u540e\u4e00\u6b21\u6027\u53d1\u9001<\/span><br \/>\n    <span class=\"token function\">spice_marshaller_add<\/span><span class=\"token punctuation\">(<\/span>m<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>header<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>header<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061; \u5199\u5165\u4e3b\u901a\u9053\u72b6\u6001 &#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n    SpiceMigrateDataMain data<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u586b\u5145\u9700\u8981\u8fc1\u79fb\u7684\u72b6\u6001\u6570\u636e&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u591a\u5a92\u4f53\u65f6\u95f4\u6233&#xff08;\u97f3\u89c6\u9891\u540c\u6b65&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u4ee3\u7406\u72b6\u6001&#xff08;clipboard\u3001\u6587\u4ef6\u4f20\u8f93\u7b49&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u9f20\u6807\u6a21\u5f0f<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8211; \u7b49\u7b49&#8230;<\/span><\/p>\n<p>    <span class=\"token function\">spice_marshaller_add<\/span><span class=\"token punctuation\">(<\/span>m<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>data<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fc1\u79fb\u6570\u636e\u7c7b\u578b&#xff1a;<\/p>\n<table>\n<tr>\u901a\u9053\u8fc1\u79fb\u6570\u636e\u5185\u5bb9<\/tr>\n<tbody>\n<tr>\n<td>MainChannel<\/td>\n<td>\u591a\u5a92\u4f53\u65f6\u95f4\u6233(mm_time)\u3001\u4ee3\u7406\u72b6\u6001\u3001\u9f20\u6807\u6a21\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>DisplayChannel<\/td>\n<td>Surface\u5217\u8868\u3001\u56fe\u50cf\u7f13\u5b58(ImageCache)\u3001GLZ\u5b57\u5178\u3001\u89c6\u9891\u6d41\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>InputsChannel<\/td>\n<td>\u952e\u76d8LED\u72b6\u6001\u3001\u4fee\u9970\u952e\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>SoundChannel<\/td>\n<td>\u97f3\u91cf\u8bbe\u7f6e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fc1\u79fb\u6570\u636e\u6d41\u8f6c&#xff1a;<\/p>\n<table>\n<tr>\u6b65\u9aa4\u6e90\u4e3b\u673a\u76ee\u6807\u4e3b\u673a<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>reds_mig_started() \u5f00\u59cb\u8fc1\u79fb<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u6536\u96c6\u5404\u901a\u9053\u72b6\u6001<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>marshall_migrate_data() \u5e8f\u5217\u5316<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u901a\u8fc7QEMU\u8fc1\u79fb\u6d41\u4f20\u8f93<\/td>\n<td>\u63a5\u6536\u8fc1\u79fb\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>&#8211;<\/td>\n<td>\u89e3\u6790\u5e76\u6062\u590d\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u65ad\u5f00\u65e7\u8fde\u63a5<\/td>\n<td>\u5ba2\u6237\u7aef\u91cd\u65b0\u8fde\u63a5<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>&#8211;<\/td>\n<td>reds_mig_completed() 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