support http hooks for rtc: on_play/stop/publish/unpublish (#2509)

* support http hooks for rtc: on_play/stop/publish/unpublish

* Update srs_app_rtc_conn.cpp

* Update srs_app_rtc_conn.cpp

trunk/src/app/srs_app_rtc_api.cpp

@@ -14,6 +14,7 @@
 #include <srs_protocol_utility.hpp>
 #include <srs_app_config.hpp>
 #include <srs_app_statistic.hpp>
+#include <srs_app_http_hooks.hpp>
 #include <srs_app_utility.hpp>
 #include <unistd.h>
 #include <deque>
@@ -128,6 +129,10 @@ srs_error_t SrsGoApiRtcPlay::do_serve_http(ISrsHttpResponseWriter* w, ISrsHttpMe
         ruc.req_->vhost = parsed_vhost->arg0();
     }
 
+    if ((err = http_hooks_on_play(ruc.req_)) != srs_success) {
+        return srs_error_wrap(err, "RTC: http_hooks_on_play");
+    }
+
     // For client to specifies the candidate(EIP) of server.
     string eip = r->query_get("eip");
     if (eip.empty()) {
@@ -242,6 +247,39 @@ srs_error_t SrsGoApiRtcPlay::check_remote_sdp(const SrsSdp& remote_sdp)
     return err;
 }
 
+srs_error_t SrsGoApiRtcPlay::http_hooks_on_play(SrsRequest* req)
+{
+    srs_error_t err = srs_success;
+
+    if (!_srs_config->get_vhost_http_hooks_enabled(req->vhost)) {
+        return err;
+    }
+
+    // the http hooks will cause context switch,
+    // so we must copy all hooks for the on_connect may freed.
+    // @see https://github.com/ossrs/srs/issues/475
+    vector<string> hooks;
+
+    if (true) {
+        SrsConfDirective* conf = _srs_config->get_vhost_on_play(req->vhost);
+
+        if (!conf) {
+            return err;
+        }
+
+        hooks = conf->args;
+    }
+
+    for (int i = 0; i < (int)hooks.size(); i++) {
+        std::string url = hooks.at(i);
+        if ((err = SrsHttpHooks::on_play(url, req)) != srs_success) {
+            return srs_error_wrap(err, "on_play %s", url.c_str());
+        }
+    }
+
+    return err;
+}
+
 SrsGoApiRtcPublish::SrsGoApiRtcPublish(SrsRtcServer* server)
 {
     server_ = server;
@@ -351,6 +389,10 @@ srs_error_t SrsGoApiRtcPublish::do_serve_http(ISrsHttpResponseWriter* w, ISrsHtt
         ruc.req_->vhost = parsed_vhost->arg0();
     }
 
+	if ((err = http_hooks_on_publish(ruc.req_)) != srs_success) {
+        return srs_error_wrap(err, "RTC: http_hooks_on_publish");
+    }
+
     // For client to specifies the candidate(EIP) of server.
     string eip = r->query_get("eip");
     if (eip.empty()) {
@@ -457,6 +499,39 @@ srs_error_t SrsGoApiRtcPublish::check_remote_sdp(const SrsSdp& remote_sdp)
     return err;
 }
 
+srs_error_t SrsGoApiRtcPublish::http_hooks_on_publish(SrsRequest* req)
+{
+    srs_error_t err = srs_success;
+
+    if (!_srs_config->get_vhost_http_hooks_enabled(req->vhost)) {
+        return err;
+    }
+
+    // the http hooks will cause context switch,
+    // so we must copy all hooks for the on_connect may freed.
+    // @see https://github.com/ossrs/srs/issues/475
+    vector<string> hooks;
+
+    if (true) {
+        SrsConfDirective* conf = _srs_config->get_vhost_on_publish(req->vhost);
+
+        if (!conf) {
+            return err;
+        }
+
+        hooks = conf->args;
+    }
+
+    for (int i = 0; i < (int)hooks.size(); i++) {
+        std::string url = hooks.at(i);
+        if ((err = SrsHttpHooks::on_publish(url, req)) != srs_success) {
+            return srs_error_wrap(err, "rtmp on_publish %s", url.c_str());
+        }
+    }
+
+    return err;
+}
+
 SrsGoApiRtcNACK::SrsGoApiRtcNACK(SrsRtcServer* server)
 {
     server_ = server;

trunk/src/app/srs_app_rtc_api.hpp

@@ -27,6 +27,8 @@ public:
 private:
     virtual srs_error_t do_serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, SrsJsonObject* res);
     srs_error_t check_remote_sdp(const SrsSdp& remote_sdp);
+private:
+    virtual srs_error_t http_hooks_on_play(SrsRequest* req);
 };
 
 class SrsGoApiRtcPublish : public ISrsHttpHandler
@@ -41,6 +43,8 @@ public:
 private:
     virtual srs_error_t do_serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, SrsJsonObject* res);
     srs_error_t check_remote_sdp(const SrsSdp& remote_sdp);
+private:
+    virtual srs_error_t http_hooks_on_publish(SrsRequest* req);
 };
 
 class SrsGoApiRtcNACK : public ISrsHttpHandler

trunk/src/app/srs_app_rtc_conn.cpp

@@ -44,7 +44,7 @@ using namespace std;
 #include <srs_app_threads.hpp>
 #include <srs_service_log.hpp>
 #include <srs_app_log.hpp>
-
+#include <srs_app_http_hooks.hpp>
 #include <srs_protocol_kbps.hpp>
 
 SrsPps* _srs_pps_sstuns = NULL;
@@ -379,6 +379,10 @@ SrsRtcPlayStream::SrsRtcPlayStream(SrsRtcConnection* s, const SrsContextId& cid)
 
 SrsRtcPlayStream::~SrsRtcPlayStream()
 {
+    if (req_) {
+        http_hooks_on_stop();		
+    }
+
     // TODO: FIXME: Should not do callback in de-constructor?
     if (_srs_rtc_hijacker) {
         _srs_rtc_hijacker->on_stop_play(session_, this, req_);
@@ -866,6 +870,35 @@ srs_error_t SrsRtcPlayStream::do_request_keyframe(uint32_t ssrc, SrsContextId ci
     return err;
 }
 
+void SrsRtcPlayStream::http_hooks_on_stop()
+{
+    if (!_srs_config->get_vhost_http_hooks_enabled(req_->vhost)) {
+        return;
+    }
+
+    // the http hooks will cause context switch,
+    // so we must copy all hooks for the on_connect may freed.
+    // @see https://github.com/ossrs/srs/issues/475
+    vector<string> hooks;
+
+    if (true) {
+        SrsConfDirective* conf = _srs_config->get_vhost_on_stop(req_->vhost);
+
+        if (!conf) {
+            return;
+        }
+
+        hooks = conf->args;
+    }
+
+    for (int i = 0; i < (int)hooks.size(); i++) {
+        std::string url = hooks.at(i);
+        SrsHttpHooks::on_stop(url, req_);
+    }
+
+    return;
+}
+
 SrsRtcPublishRtcpTimer::SrsRtcPublishRtcpTimer(SrsRtcPublishStream* p) : p_(p)
 {
     _srs_hybrid->timer1s()->subscribe(this);
@@ -975,6 +1008,10 @@ SrsRtcPublishStream::SrsRtcPublishStream(SrsRtcConnection* session, const SrsCon
 
 SrsRtcPublishStream::~SrsRtcPublishStream()
 {
+    if (req) {
+        http_hooks_on_unpublish();
+    }
+
     srs_freep(timer_rtcp_);
     srs_freep(timer_twcc_);
 
@@ -1639,6 +1676,33 @@ void SrsRtcPublishStream::update_send_report_time(uint32_t ssrc, const SrsNtp& n
     }
 }
 
+void SrsRtcPublishStream::http_hooks_on_unpublish()
+{
+    if (!_srs_config->get_vhost_http_hooks_enabled(req->vhost)) {
+        return;
+    }
+
+    // the http hooks will cause context switch,
+    // so we must copy all hooks for the on_connect may freed.
+    // @see https://github.com/ossrs/srs/issues/475
+    vector<string> hooks;
+
+    if (true) {
+        SrsConfDirective* conf = _srs_config->get_vhost_on_unpublish(req->vhost);
+
+        if (!conf) {
+            return;
+        }
+
+        hooks = conf->args;
+    }
+
+    for (int i = 0; i < (int)hooks.size(); i++) {
+        std::string url = hooks.at(i);
+        SrsHttpHooks::on_unpublish(url, req);
+    }
+}
+
 ISrsRtcConnectionHijacker::ISrsRtcConnectionHijacker()
 {
 }

trunk/src/app/srs_app_rtc_conn.hpp

@@ -264,6 +264,8 @@ private:
 // Interface ISrsRtcPLIWorkerHandler
 public:
     virtual srs_error_t do_request_keyframe(uint32_t ssrc, SrsContextId cid);
+private:
+    virtual void http_hooks_on_stop();
 };
 
 // A fast timer for publish stream, for RTCP feedback.
@@ -375,6 +377,8 @@ private:
     SrsRtcVideoRecvTrack* get_video_track(uint32_t ssrc);
     void update_rtt(uint32_t ssrc, int rtt);
     void update_send_report_time(uint32_t ssrc, const SrsNtp& ntp);
+private:
+    virtual void http_hooks_on_unpublish();
 };
 
 // Callback for RTC connection.