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Forward: support config full rtmp url forward to other server (#2799)

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* Forward: add backend config and demo server for dynamic create forwarder to other server.(#1342)

* Forward: if call forward backend failed, then return directly.

* Forward: add API description and change return value format.

* Forward: add backend conf file and wrapper function for backend service.

* Forward: add backend comment in full.conf and update forward.backend.conf.

* Forward: rename backend param and add comment tips.
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chundonglinlin 2022-02-16 10:49:16 +08:00 • committed by GitHub
parent 9379ebbc2c
commit 03cf93fc2b
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11 changed files with 335 additions and 33 deletions
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70
trunk/src/app/srs_app_http_hooks.cpp
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@ -482,6 +482,76 @@ srs_error_t SrsHttpHooks::discover_co_workers(string url, string& host, int& por
return err;
}
srs_error_t SrsHttpHooks::on_forward_backend(string url, SrsRequest* req, std::vector<std::string>& rtmp_urls)
{
srs_error_t err = srs_success;
SrsContextId cid = _srs_context->get_id();
SrsStatistic* stat = SrsStatistic::instance();
SrsJsonObject* obj = SrsJsonAny::object();
SrsAutoFree(SrsJsonObject, obj);
obj->set("action", SrsJsonAny::str("on_forward"));
obj->set("server_id", SrsJsonAny::str(stat->server_id().c_str()));
obj->set("client_id", SrsJsonAny::str(cid.c_str()));
obj->set("ip", SrsJsonAny::str(req->ip.c_str()));
obj->set("vhost", SrsJsonAny::str(req->vhost.c_str()));
obj->set("app", SrsJsonAny::str(req->app.c_str()));
obj->set("tcUrl", SrsJsonAny::str(req->tcUrl.c_str()));
obj->set("stream", SrsJsonAny::str(req->stream.c_str()));
obj->set("param", SrsJsonAny::str(req->param.c_str()));
std::string data = obj->dumps();
std::string res;
int status_code;
SrsHttpClient http;
if ((err = do_post(&http, url, data, status_code, res)) != srs_success) {
return srs_error_wrap(err, "http: on_forward_backend failed, client_id=%s, url=%s, request=%s, response=%s, code=%d",
cid.c_str(), url.c_str(), data.c_str(), res.c_str(), status_code);
}
// parse string res to json.
SrsJsonAny* info = SrsJsonAny::loads(res);
if (!info) {
return srs_error_new(ERROR_SYSTEM_FORWARD_LOOP, "load json from %s", res.c_str());
}
SrsAutoFree(SrsJsonAny, info);
// response error code in string.
if (!info->is_object()) {
return srs_error_new(ERROR_SYSTEM_FORWARD_LOOP, "response %s", res.c_str());
}
SrsJsonAny* prop = NULL;
// response standard object, format in json: {}
SrsJsonObject* res_info = info->to_object();
if ((prop = res_info->ensure_property_object("data")) == NULL) {
return srs_error_new(ERROR_SYSTEM_FORWARD_LOOP, "parse data %s", res.c_str());
}
SrsJsonObject* p = prop->to_object();
if ((prop = p->ensure_property_array("urls")) == NULL) {
return srs_error_new(ERROR_SYSTEM_FORWARD_LOOP, "parse urls %s", res.c_str());
}
SrsJsonArray* urls = prop->to_array();
for (int i = 0; i < urls->count(); i++) {
prop = urls->at(i);
string rtmp_url = prop->to_str();
if (!rtmp_url.empty()) {
rtmp_urls.push_back(rtmp_url);
}
}
srs_trace("http: on_forward_backend ok, client_id=%s, url=%s, request=%s, response=%s",
cid.c_str(), url.c_str(), data.c_str(), res.c_str());
return err;
}
srs_error_t SrsHttpHooks::do_post(SrsHttpClient* hc, std::string url, std::string req, int& code, string& res)
{
srs_error_t err = srs_success;