Fix potential failure in MySQL CM and fix describe method

cache_managers/mysql_cache_manager/src/mysql_cache_manager.cpp

@@ -158,7 +158,7 @@ mysql_cache_manager::set_streams(std::vector<etix::cameradar::stream_model> mode
 
           // TODO : Update an entry if it already exists.
 
-          if (result.data->next()) return;
+          if (result.data->next()) continue;
 
           query = tool::fmt(this->insert_with_id_query,
                             this->connection.get_db_name().c_str(),

cameradar_standalone/src/describe.cpp

@@ -75,6 +75,7 @@ curl_describe(const std::string& path, bool logs) {
     if (logs) {
         // Some cameras return 400 instead of 401, don't know why.
         // Some cameras timeout and then curl considers the status as 0
+        // GST-RTSP-SERVER returns 404 instead of 401, then 401 instead of 404.
         if (rc != 401 && rc != 400 && rc && pos == std::string::npos)
             LOG_INFO_("Unprotected camera discovered.", "brutelogs");
         return ((res == CURLE_OK) && rc != 401 && rc != 400 && rc);

cameradar_standalone/src/dispatcher.cpp

@@ -17,6 +17,8 @@
 namespace etix {
 namespace cameradar {
 
+  using namespace std::chrono_literals;
+
 // The main loop of the binary
 void
 dispatcher::run() {
@@ -47,7 +49,7 @@ dispatcher::run() {
     // Waiting for task to cleanup / force stop command
     while ((signal_handler::instance().should_stop() not_eq stop_priority::force_stop) and
            doing_stuff()) {
-        std::this_thread::sleep_for(std::chrono::milliseconds(30));
+             std::this_thread::sleep_for(30ms);
     }
     worker.join();
 }
@@ -88,6 +90,7 @@ dispatcher::do_stuff() {
                      "dispatcher");
             break;
         }
+        std::this_thread::sleep_for(30ms);
     }
     this->current = task::finished;
 }

cameradar_standalone/src/main.cpp

@@ -124,7 +124,7 @@ main(int argc, char* argv[]) {
     auto plug = std::make_shared<etix::cameradar::cache_manager>(conf.second.cache_manager_path,
                                                                  conf.second.cache_manager_name);
 
-    if (not plug->make_instance()) {
+    if (not plug || not plug->make_instance()) {
         LOG_ERR_(std::string("Invalid cache manager "), "cameradar");
         return false;
     }