\u672c\u6587\u4ec5\u603b\u7ed3\u5173\u4e8eGB28181\u4e0b\u7684\u6ce8\u518c\u3001\u5fc3\u8df3\u7ef4\u6301\u7b49\u4e0e\u63a8\u6d41\u62c9\u6d41\u76f8\u914d\u5408\u7684SIP\u4fe1\u4ee4，\u4e3b\u8981\u57fa\u4e8eeXosip\u5e93\u5b9e\u73b0；\u5176\u4e2d\u642d\u5efa\u4fe1\u4ee4\u670d\u52a1\u5668\u53c2\u8003\u4e86\u5f00\u6e90\u4ee3\u7801\u4ee5\u53caB\u7ad9up\u5317\u5c0f\u83dc，\u6587\u7ae0\u7ed3\u5c3e\u6709\u94fe\u63a5<\/p>\n
\u4e3b\u8981\u903b\u8f91\u68b3\u7406<\/p>\n
class SipServer {
\npublic:
\n void loop(); \/\/ \u670d\u52a1\u5668\u4e3b\u5faa\u73af
\nprivate:
\n int sip_event_handle(eXosip_event_t *evtp); \/\/ SIP \u4e8b\u4ef6\u5904\u7406\u51fd\u6570
\n struct eXosip_t *mSipCtx; \/\/ eXosip \u4e0a\u4e0b\u6587
\n bool mQuit; \/\/ \u9000\u51fa\u6807\u5fd7
\n};<\/p>\n
void SipServer::loop() {
\n if (this->init_sip_server() != 0) {
\n return;
\n }
\n while (!mQuit) {
\n eXosip_event_t *evtp = eXosip_event_wait(mSipCtx, 0, 20); \/\/ \u7b49\u5f85 SIP \u4e8b\u4ef6
\n if (!evtp) {
\n eXosip_automatic_action(mSipCtx); \/\/ \u5904\u7406\u8d85\u65f6
\n osip_usleep(100000);
\n continue;
\n }
\n eXosip_automatic_action(mSipCtx); \/\/ \u6267\u884c eXosip \u81ea\u52a8\u64cd\u4f5c
\n this->sip_event_handle(evtp); \/\/ \u5206\u53d1\u548c\u5904\u7406\u4e8b\u4ef6
\n eXosip_event_free(evtp); \/\/ \u91ca\u653e\u4e8b\u4ef6\u5185\u5b58
\n }
\n}<\/p>\n
int SipServer::sip_event_handle(eXosip_event_t *evtp) {
\n switch (evtp->type) {
\n case EXOSIP_CALL_MESSAGE_NEW: \/\/ 14
\n \/\/ \u5904\u7406 EXOSIP_CALL_MESSAGE_NEW \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_MESSAGE_NEW type=%d", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_CLOSED: \/\/ 21
\n \/\/ \u5904\u7406 EXOSIP_CALL_CLOSED \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_CLOSED type=%d", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_RELEASED: \/\/ 22
\n \/\/ \u5904\u7406 EXOSIP_CALL_RELEASED \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_RELEASED type=%d", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n this->clearClientMap();
\n break;<\/p>\n
case EXOSIP_MESSAGE_NEW: \/\/ 23
\n \/\/ \u5904\u7406 EXOSIP_MESSAGE_NEW \u4e8b\u4ef6
\n LOGI("EXOSIP_MESSAGE_NEW type=%d", evtp->type);
\n if (MSG_IS_REGISTER(evtp->request)) {
\n this->response_register(evtp);
\n } else if (MSG_IS_MESSAGE(evtp->request)) {
\n this->response_message(evtp);
\n } else if (strncmp(evtp->request->sip_method, "BYE", 3) != 0) {
\n LOGE("unknown1");
\n } else {
\n LOGE("unknown2");
\n }
\n break;<\/p>\n
case EXOSIP_MESSAGE_ANSWERED:
\n \/\/ \u5904\u7406 EXOSIP_MESSAGE_ANSWERED \u4e8b\u4ef6
\n this->dump_request(evtp);
\n break;<\/p>\n
case EXOSIP_MESSAGE_REQUESTFAILURE:
\n \/\/ \u5904\u7406 EXOSIP_MESSAGE_REQUESTFAILURE \u4e8b\u4ef6
\n LOGI("EXOSIP_MESSAGE_REQUESTFAILURE type=%d: Receive feedback on sending failure after actively sending a message", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_INVITE:
\n \/\/ \u5904\u7406 EXOSIP_CALL_INVITE \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_INVITE type=%d: The server receives the Invite request actively sent by the client", evtp->type);
\n break;<\/p>\n
case EXOSIP_CALL_PROCEEDING: \/\/ 5
\n \/\/ \u5904\u7406 EXOSIP_CALL_PROCEEDING \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_PROCEEDING type=%d: When the server receives the Invite (SDP) confirmation reply from the client", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_ANSWERED: \/\/ 7
\n \/\/ \u5904\u7406 EXOSIP_CALL_ANSWERED \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_ANSWERED type=%d: The server receives an invite (SDP) confirmation reply from the client", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n this->response_invite_ack(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_SERVERFAILURE:
\n \/\/ \u5904\u7406 EXOSIP_CALL_SERVERFAILURE \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_SERVERFAILURE type=%d", evtp->type);
\n break;<\/p>\n
case EXOSIP_IN_SUBSCRIPTION_NEW:
\n \/\/ \u5904\u7406 EXOSIP_IN_SUBSCRIPTION_NEW \u4e8b\u4ef6
\n LOGI("EXOSIP_IN_SUBSCRIPTION_NEW type=%d", evtp->type);
\n break;<\/p>\n
default:
\n \/\/ \u5904\u7406\u672a\u77e5\u4e8b\u4ef6
\n LOGI("type=%d unknown", evtp->type);
\n break;
\n }
\n return 0;
\n} <\/p>\n
\u57fa\u672c\u903b\u8f91\u5206\u6790<\/p>\n
\u8be5\u5904\u4ec5\u4ec5\u8bf4\u660e\u4e8b\u4ef6\u5faa\u73af，\u5728\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\u5bf9\u4e8e\u4e8b\u4ef6\u7684\u5904\u7406\u903b\u8f91\u518d\u8fdb\u884c\u8be6\u7ec6\u8bf4\u660e<\/p>\n
\u00a0\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\u7684\u603b\u4f53\u6846\u67b6<\/p>\n
int SipServer::sip_event_handle(eXosip_event_t *evtp) {
\n switch (evtp->type) {
\n case EXOSIP_CALL_MESSAGE_NEW: \/\/ 14
\n \/\/ \u5904\u7406 EXOSIP_CALL_MESSAGE_NEW \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_MESSAGE_NEW type=%d", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_CLOSED: \/\/ 21
\n \/\/ \u5904\u7406 EXOSIP_CALL_CLOSED \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_CLOSED type=%d", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_RELEASED: \/\/ 22
\n \/\/ \u5904\u7406 EXOSIP_CALL_RELEASED \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_RELEASED type=%d", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n this->clearClientMap();
\n break;<\/p>\n
case EXOSIP_MESSAGE_NEW: \/\/ 23
\n \/\/ \u5904\u7406 EXOSIP_MESSAGE_NEW \u4e8b\u4ef6
\n LOGI("EXOSIP_MESSAGE_NEW type=%d", evtp->type);
\n if (MSG_IS_REGISTER(evtp->request)) {
\n this->response_register(evtp);
\n } else if (MSG_IS_MESSAGE(evtp->request)) {
\n this->response_message(evtp);
\n } else if (strncmp(evtp->request->sip_method, "BYE", 3) != 0) {
\n LOGE("unknown1");
\n } else {
\n LOGE("unknown2");
\n }
\n break;<\/p>\n
case EXOSIP_MESSAGE_ANSWERED:
\n \/\/ \u5904\u7406 EXOSIP_MESSAGE_ANSWERED \u4e8b\u4ef6
\n this->dump_request(evtp);
\n break;<\/p>\n
case EXOSIP_MESSAGE_REQUESTFAILURE:
\n \/\/ \u5904\u7406 EXOSIP_MESSAGE_REQUESTFAILURE \u4e8b\u4ef6
\n LOGI("EXOSIP_MESSAGE_REQUESTFAILURE type=%d: Receive feedback on sending failure after actively sending a message", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_INVITE:
\n \/\/ \u5904\u7406 EXOSIP_CALL_INVITE \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_INVITE type=%d: The server receives the Invite request actively sent by the client", evtp->type);
\n break;<\/p>\n
case EXOSIP_CALL_PROCEEDING: \/\/ 5
\n \/\/ \u5904\u7406 EXOSIP_CALL_PROCEEDING \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_PROCEEDING type=%d: When the server receives the Invite (SDP) confirmation reply from the client", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_ANSWERED: \/\/ 7
\n \/\/ \u5904\u7406 EXOSIP_CALL_ANSWERED \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_ANSWERED type=%d: The server receives an invite (SDP) confirmation reply from the client", evtp->type);
\n this->dump_request(evtp);
\n this->dump_response(evtp);
\n this->response_invite_ack(evtp);
\n break;<\/p>\n
case EXOSIP_CALL_SERVERFAILURE:
\n \/\/ \u5904\u7406 EXOSIP_CALL_SERVERFAILURE \u4e8b\u4ef6
\n LOGI("EXOSIP_CALL_SERVERFAILURE type=%d", evtp->type);
\n break;<\/p>\n
case EXOSIP_IN_SUBSCRIPTION_NEW:
\n \/\/ \u5904\u7406 EXOSIP_IN_SUBSCRIPTION_NEW \u4e8b\u4ef6
\n LOGI("EXOSIP_IN_SUBSCRIPTION_NEW type=%d", evtp->type);
\n break;<\/p>\n
default:
\n \/\/ \u5904\u7406\u672a\u77e5\u4e8b\u4ef6
\n LOGI("type=%d unknown", evtp->type);
\n break;
\n }
\n return 0;
\n} <\/p>\n
\u6253\u5370\u6d88\u606f\u5230\u65e5\u5fd7\u4e0a<\/p>\n
\u4ee3\u7801\u5b9e\u73b0<\/p>\n
case EXOSIP_CALL_CLOSED:\/\/21
\n LOGI("EXOSIP_CALL_CLOSED type=%d",evtp->type); \/\/ \u4ee3\u7801\u884c 109
\n this->dump_request(evtp); \/\/ \u4ee3\u7801\u884c 110
\n this->dump_response(evtp); \/\/ \u4ee3\u7801\u884c 111
\n break;<\/p>\n
\/\/ \u5199\u5165\u65e5\u5fd7\u51fd\u6570\u5b9e\u73b0
\nvoid SipServer::dump_request(eXosip_event_t *evtp) {
\n char *s;
\n size_t len;
\n osip_message_to_str(evtp->request, &s, &len);
\n LOGI("\\\\nprint request start\\\\ntype=%d\\\\n%s\\\\nprint request end\\\\n",evtp->type,s);
\n}
\nvoid SipServer::dump_response(eXosip_event_t *evtp) {
\n char *s;
\n size_t len;
\n osip_message_to_str(evtp->response, &s, &len);
\n LOGI("\\\\nprint response start\\\\ntype=%d\\\\n%s\\\\nprint response end\\\\n",evtp->type,s);
\n} <\/p>\n
\u5b9e\u73b0\u540c\u65b0\u547c\u53eb，\u4ec5\u4ec5\u662f\u5c06sip\u4fe1\u606f\u8f93\u5165\u5230\u5230\u65e5\u5fd7\u4e2d<\/p>\n
case EXOSIP_CALL_CLOSED:\/\/21
\n LOGI("EXOSIP_CALL_CLOSED type=%d",evtp->type); \/\/ \u4ee3\u7801\u884c 109
\n this->dump_request(evtp); \/\/ \u4ee3\u7801\u884c 110
\n this->dump_response(evtp); \/\/ \u4ee3\u7801\u884c 111
\n break; <\/p>\n
case EXOSIP_MESSAGE_NEW:\/\/23
\n LOGI("EXOSIP_MESSAGE_NEW type=%d",evtp->type); \/\/ \u4ee3\u7801\u884c 121<\/p>\n
if (MSG_IS_REGISTER(evtp->request)) { \/\/ \u4ee3\u7801\u884c 123
\n this->response_register(evtp); \/\/ \u4ee3\u7801\u884c 124
\n }
\n else if (MSG_IS_MESSAGE(evtp->request)) { \/\/ \u4ee3\u7801\u884c 126
\n this->response_message(evtp); \/\/ \u4ee3\u7801\u884c 127
\n }
\n else if(strncmp(evtp->request->sip_method, "BYE", 3) != 0){ \/\/ \u4ee3\u7801\u884c 129
\n LOGE("unknown1"); \/\/ \u4ee3\u7801\u884c 130
\n }
\n else{
\n LOGE("unknown2"); \/\/ \u4ee3\u7801\u884c 132
\n }
\n break; <\/p>\n
\u6ce8\u518c\u6d88\u606f\u5904\u7406<\/p>\n
void SipServer::response_register(eXosip_event_t *evtp) {<\/p>\n
\/\/ 1. \u83b7\u53d6\u6388\u6743\u4fe1\u606f
\n osip_authorization_t * auth = nullptr;
\n osip_message_get_authorization(evtp->request, 0, &auth);<\/p>\n
\/\/ 2. \u83b7\u53d6SIP\u534f\u8bae\u4e2d\u8eab\u4efd\u8ba4\u8bc1\u4fe1\u606f
\n if(auth && auth->username){<\/p>\n
char *method = NULL, \/\/ REGISTER
\n *algorithm = NULL, \/\/ MD5
\n *username = NULL,\/\/ 340200000013200000024
\n *realm = NULL, \/\/ sip\u670d\u52a1\u5668\u4f20\u7ed9\u5ba2\u6237\u7aef，\u5ba2\u6237\u7aef\u643a\u5e26\u5e76\u63d0\u4ea4\u4e0a\u6765\u7684sip\u670d\u52a1\u57df
\n *nonce = NULL, \/\/sip\u670d\u52a1\u5668\u4f20\u7ed9\u5ba2\u6237\u7aef，\u5ba2\u6237\u7aef\u643a\u5e26\u5e76\u63d0\u4ea4\u4e0a\u6765\u7684nonce
\n *nonce_count = NULL,
\n *uri = NULL; \/\/ sip:34020000002000000001@3402000000<\/p>\n
osip_contact_t *contact = nullptr;
\n osip_message_get_contact (evtp->request, 0, &contact);<\/p>\n
method = evtp->request->sip_method;
\n char calc_response[HASHHEXLEN];
\n HASHHEX HA1, HA2 = "", Response;<\/p>\n
#define SIP_STRDUP(field) if (auth->field) (field) = osip_strdup_without_quote(auth->field)<\/p>\n
SIP_STRDUP(algorithm);
\n SIP_STRDUP(username);
\n SIP_STRDUP(realm);
\n SIP_STRDUP(nonce);
\n SIP_STRDUP(nonce_count);
\n SIP_STRDUP(uri);<\/p>\n
DigestCalcHA1(algorithm, username, realm, mInfo->getSipPass(), nonce, nonce_count, HA1);
\n DigestCalcResponse(HA1, nonce, nonce_count, auth->cnonce, auth->message_qop, 0, method, uri, HA2, Response);<\/p>\n
HASHHEX temp_HA1;
\n HASHHEX temp_response;
\n DigestCalcHA1("REGISTER", username, mInfo->getSipRealm(), mInfo->getSipPass(), mInfo->getNonce(), NULL, temp_HA1);
\n DigestCalcResponse(temp_HA1, mInfo->getNonce(), NULL, NULL, NULL, 0, method, uri, NULL, temp_response);
\n memcpy(calc_response, temp_response, HASHHEXLEN);<\/p>\n
Client *client = new Client(strdup(contact->url->host),
\n atoi(contact->url->port),
\n strdup(username));<\/p>\n
if (!memcmp(calc_response, Response, HASHHEXLEN)) {
\n this->response_message_answer(evtp,200);
\n LOGI("Camera registration succee,ip=%s,port=%d,device=%s",client->getIp(),client->getPort(),client->getDevice());<\/p>\n
mClientMap.insert(std::make_pair(client->getDevice(),client));<\/p>\n
this->request_invite(client->getDevice(),client->getIp(),client->getPort());<\/p>\n
}
\n else {
\n this->response_message_answer(evtp,401);
\n LOGI("Camera registration error, p=%s,port=%d,device=%s",client->getIp(),client->getPort(),client->getDevice());<\/p>\n
delete client;
\n }<\/p>\n
osip_free(algorithm);
\n osip_free(username);
\n osip_free(realm);
\n osip_free(nonce);
\n osip_free(nonce_count);
\n osip_free(uri);
\n } else {
\n response_register_401unauthorized(evtp);
\n }<\/p>\n
}<\/p>\n
\u672a\u6388\u6743\u54cd\u5e94\u5904\u7406\u903b\u8f91（\u4e5f\u5c31\u662f401\u54cd\u5e94\u7684\u5904\u7406\u903b\u8f91）<\/p>\n
void SipServer::response_register_401unauthorized(eXosip_event_t *evtp) {<\/p>\n
char *dest = nullptr;
\n osip_message_t * reg = nullptr;
\n osip_www_authenticate_t * header = nullptr;<\/p>\n
osip_www_authenticate_init(&header);
\n osip_www_authenticate_set_auth_type (header, osip_strdup("Digest"));
\n osip_www_authenticate_set_realm(header,osip_enquote(mInfo->getSipRealm()));
\n osip_www_authenticate_set_nonce(header,osip_enquote(mInfo->getNonce()));
\n osip_www_authenticate_to_str(header, &dest);
\n int ret = eXosip_message_build_answer (mSipCtx, evtp->tid, 401, ®);
\n if ( ret == 0 && reg != nullptr ) {
\n osip_message_set_www_authenticate(reg, dest);
\n osip_message_set_content_type(reg, "Application\/MANSCDP+xml");
\n eXosip_lock(mSipCtx);
\n eXosip_message_send_answer (mSipCtx, evtp->tid,401, reg);
\n eXosip_unlock(mSipCtx);
\n LOGI("response_register_401unauthorized success");
\n }else {
\n LOGI("response_register_401unauthorized error");
\n }<\/p>\n
osip_www_authenticate_free(header);
\n osip_free(dest);<\/p>\n
} <\/p>\n
\u4ec5\u8f93\u51fa\u5230\u65e5\u5fd7\u6216\u8005\u5ba2\u6237\u7aef<\/p>\n
case EXOSIP_MESSAGE_ANSWERED:
\n this->dump_request(evtp); \/\/ \u4ee3\u7801\u884c 135
\n break; <\/p>\n
case EXOSIP_MESSAGE_REQUESTFAILURE:
\n LOGI("EXOSIP_MESSAGE_REQUESTFAILURE type=%d: Receive feedback on sending failure after actively sending a message", evtp->type); \/\/ \u4ee3\u7801\u884c 138
\n this->dump_request(evtp); \/\/ \u4ee3\u7801\u884c 139
\n this->dump_response(evtp); \/\/ \u4ee3\u7801\u884c 140
\n break; <\/p>\n
case EXOSIP_CALL_ANSWERED:\/\/ 7
\n LOGI("EXOSIP_CALL_ANSWERED type=%d: The server receives an invite (SDP) confirmation reply from the client", evtp->type); \/\/ \u4ee3\u7801\u884c 151
\n this->dump_request(evtp); \/\/ \u4ee3\u7801\u884c 152
\n this->dump_response(evtp); \/\/ \u4ee3\u7801\u884c 153
\n this->response_invite_ack(evtp); \/\/ \u4ee3\u7801\u884c 155
\n break;<\/p>\n
void SipServer::response_invite_ack(eXosip_event_t *evtp){<\/p>\n
osip_message_t* msg = nullptr;
\n int ret = eXosip_call_build_ack(mSipCtx, evtp->did, &msg);
\n if (!ret && msg) {
\n eXosip_call_send_ack(mSipCtx, evtp->did, msg);
\n } else {
\n LOGE("eXosip_call_send_ack error=%d", ret);
\n }<\/p>\n
} <\/p>\n
\u53c2\u8003\u8d44\u6599：BXC_SipServer: C++\u5f00\u53d1\u7684\u56fd\u6807GB28181\u6d41\u5a92\u4f53Sip\u4fe1\u4ee4\u670d\u52a1\u5668<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb929\u6b21\uff0c\u70b9\u8d5e20\u6b21\uff0c\u6536\u85cf8\u6b21\u3002\u7b80\u5355\u7684SIP\u670d\u52a1\u5668\uff0c\u670d\u52a1\u63a8\u6d41\u3001\u6ce8\u518c\u7b49\u9700\u6c42_gb28181\u670d\u52a1\u5668\u642d\u5efa<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[43,44],"topic":[],"class_list":["post-22024","post","type-post","status-publish","format-standard","hentry","category-server","tag-43","tag-44"],"yoast_head":"\n