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Add error handling to libcurl calls to Janus

This commit is contained in:
Jonathan Bennett 2022-01-12 00:19:54 -06:00
parent 50c824f3bb
commit cb46b94ea1
1 changed files with 39 additions and 21 deletions
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58
src/zm_monitor.cpp
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@ -1116,14 +1116,11 @@ bool Monitor::connect() {
#endif
//janus setup.
if (janus_enabled) {
add_to_janus();
if (janus_enabled && (path.find("rtsp://") != std::string::npos)) {
if (add_to_janus() != 0) {
Warning("Failed to add monitor stream to Janus!");
}
}
//ifdef janus, and if url contains rtsp
//look for username and password
//make the initial call, scrape id, then connect to plugin
//add stream using the same id
} else if (!shared_data->valid) {
Error("Shared data not initialised by capture daemon for monitor %s", name.c_str());
@ -3360,16 +3357,21 @@ int Monitor::add_to_janus() {
std::string rtsp_username;
std::string rtsp_password;
std::string rtsp_path = "rtsp://";
std::string janus_id;
std::size_t pos;
std::size_t pos2;
CURLcode res;
curl = curl_easy_init();
if(!curl) return -1;
//parse username and password
pos = path.find(":", 7);
if (pos == std::string::npos) return -1;
rtsp_username = path.substr(7, pos-7);
pos2 = path.find("@", pos);
if (pos2 == std::string::npos) return -1;
rtsp_password = path.substr(pos+1, pos2 - pos - 1);
rtsp_path += path.substr(pos2 + 1);
@ -3378,9 +3380,12 @@ int Monitor::add_to_janus() {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());
curl_easy_perform(curl);
res = curl_easy_perform(curl);
if (res != CURLE_OK) return -1;
pos = response.find("\"id\": ");
std::string janus_id = response.substr(pos + 6, 16);
if (pos == std::string::npos) return -1;
janus_id = response.substr(pos + 6, 16);
response = "";
endpoint += janus_id;
postData = "{\"janus\" : \"attach\", \"plugin\" : \"janus.plugin.streaming\", \"transaction\" : \"randomString\"}";
@ -3388,9 +3393,11 @@ int Monitor::add_to_janus() {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());
curl_easy_perform(curl);
res = curl_easy_perform(curl);
if (res != CURLE_OK) return -1;
pos = response.find("\"id\": ");
std::string handle_id = response.substr(pos + 6, 16);
if (pos == std::string::npos) return -1;
std::string handle_id = response.substr(pos + 6, 16); //TODO: This is an assumption that the string is always 16
endpoint += "/";
endpoint += handle_id;
@ -3411,10 +3418,11 @@ int Monitor::add_to_janus() {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());
curl_easy_perform(curl);
Warning(response.c_str());
res = curl_easy_perform(curl);
if (res != CURLE_OK) return -1;
Debug(1,response.c_str());
curl_easy_cleanup(curl);
return 0;
}
int Monitor::remove_from_janus() {
//TODO clean this up, add error checking, etc
@ -3422,8 +3430,10 @@ int Monitor::remove_from_janus() {
std::string endpoint = "127.0.0.1:8088/janus/";
std::string postData = "{\"janus\" : \"create\", \"transaction\" : \"randomString\"}";
std::size_t pos;
CURLcode res;
curl = curl_easy_init();
if(!curl) return -1;
//Start Janus API init. Need to get a session_id and handle_id
@ -3431,8 +3441,11 @@ int Monitor::remove_from_janus() {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());
curl_easy_perform(curl);
res = curl_easy_perform(curl);
if (res != CURLE_OK) return -1;
pos = response.find("\"id\": ");
if (pos == std::string::npos) return -1;
std::string janus_id = response.substr(pos + 6, 16);
response = "";
endpoint += janus_id;
@ -3441,8 +3454,11 @@ int Monitor::remove_from_janus() {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());
curl_easy_perform(curl);
res = curl_easy_perform(curl);
if (res != CURLE_OK) return -1;
pos = response.find("\"id\": ");
if (pos == std::string::npos) return -1;
std::string handle_id = response.substr(pos + 6, 16);
endpoint += "/";
endpoint += handle_id;
@ -3457,8 +3473,10 @@ int Monitor::remove_from_janus() {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());
curl_easy_perform(curl);
Warning(response.c_str());
curl_easy_cleanup(curl);
res = curl_easy_perform(curl);
if (res != CURLE_OK) return -1;
Debug(1, response.c_str());
curl_easy_cleanup(curl);
return 0;
}