New OSC Target for Alias and renaming source

Allow creating temporary OSC aliases to link to a target by ID or name. Allow renaming a source from OSC.

src/ControlManager.cpp

@@ -81,8 +81,8 @@ void Control::RequestListener::ProcessMessage( const osc::ReceivedMessage& m,
         if (address.size() > 2 && address.front().compare(OSC_PREFIX) == 0 ){
             // done with the first part of the OSC address
             address.pop_front();
-            // next part of the OSC message is the target
+            // next part of the OSC message is the target, after alias correction
-            std::string target = address.front();
+            std::string target = Control::manager().alias( address.front() );
             // next part of the OSC message is the attribute
             address.pop_front();
             std::string attribute = address.front();
@@ -201,6 +201,16 @@ void Control::RequestListener::ProcessMessage( const osc::ReceivedMessage& m,
                 int i = 0;
                 std::string num = target.substr( target.find("#") == std::string::npos ? 1 : 2 );
                 if ( BaseToolkit::is_a_number(num, &i)){
+                    // special case of creating an alias for given source target
+                    if (attribute.compare(OSC_SOURCE_ALIAS) == 0) {
+                        const char *label = nullptr;
+                        m.ArgumentStream() >> label >> osc::EndMessage;
+                        Control::manager().aliases_[std::string("/").append(label)] = target;
+                        Log::Info(CONTROL_OSC_MSG "New alias /%s for target %s.", label, target.c_str());
+
+                    }
+                    // usual case, addressing the source by '#n'
+                    else {
                         Source *s = Mixer::manager().sourceAtIndex(i);
                         if (s) {
                             // apply attributes to source
@@ -212,11 +222,20 @@ void Control::RequestListener::ProcessMessage( const osc::ReceivedMessage& m,
                             Log::Info(CONTROL_OSC_MSG "No source at ID %s targetted by %s.", num.c_str(), sender);
                     }
                 }
+            }
             // General case: try to identify the target by name
+            else {
+                // special case of creating an alias for given source target
+                if (attribute.compare(OSC_SOURCE_ALIAS) == 0) {
+                    const char *label = nullptr;
+                    m.ArgumentStream() >> label >> osc::EndMessage;
+                    Control::manager().aliases_[std::string("/").append(label)] = target;
+                    Log::Info(CONTROL_OSC_MSG "New alias /%s for target %s.", label, target.c_str());
+                }
+                // usual case, addressing the source by its name
                 else {
                     // try to find source by given name
                     Source *s = Mixer::manager().findSource(target.substr(1));
-
                     // if a source with the given target name or index was found
                     if (s) {
                         // apply attributes to source
@@ -228,6 +247,7 @@ void Control::RequestListener::ProcessMessage( const osc::ReceivedMessage& m,
                         Log::Info(CONTROL_OSC_MSG "Unknown target '%s' requested by %s.", target.c_str(), sender);
                 }
             }
+        }
         else {
             Log::Info(CONTROL_OSC_MSG "Unknown osc message '%s' sent by %s.", m.AddressPattern(), sender);
         }
@@ -309,6 +329,15 @@ Control::~Control()
     terminate();
 }
 
+std::string Control::alias (std::string target)
+{
+    auto it_alias  = aliases_.find(target);
+    if ( it_alias != aliases_.end() )
+        return it_alias->second;
+    else
+        return target;
+}
+
 std::string Control::translate (std::string addresspattern)
 {
     auto it_translation  = translation_.find(addresspattern);
@@ -597,8 +626,14 @@ bool Control::receiveSourceAttribute(Source *target, const std::string &attribut
         return send_feedback;
 
     try {
+        /// e.g. '/vimix/#0/rename s toto'
+        if (attribute.compare(OSC_SOURCE_RENAME) == 0) {
+            const char *label = nullptr;
+            arguments >> label >> osc::EndMessage;
+            Mixer::manager().renameSource(target, label);
+        }
         /// e.g. '/vimix/current/play' or '/vimix/current/play T' or '/vimix/current/play F'
-        if ( attribute.compare(OSC_SOURCE_PLAY) == 0) {
+        else if ( attribute.compare(OSC_SOURCE_PLAY) == 0) {
             float on = 1.f;
             if ( !arguments.Eos()) {
                 arguments >> on >> osc::EndMessage;

src/ControlManager.h

@@ -34,6 +34,8 @@
 #define OSC_PREVIOUS           "/previous"
 
 #define OSC_SOURCE_NAME        "/name"
+#define OSC_SOURCE_RENAME      "/rename"
+#define OSC_SOURCE_ALIAS       "/alias"
 #define OSC_SOURCE_LOCK        "/lock"
 #define OSC_SOURCE_PLAY        "/play"
 #define OSC_SOURCE_PAUSE       "/pause"
@@ -129,8 +131,6 @@ public:
     void update();
     void terminate();
 
-    // OSC translation
-    std::string translate (std::string addresspqattern);
 
     bool  inputActive (uint id);
     float inputValue  (uint id);
@@ -170,6 +170,10 @@ protected:
 
     static void keyboardCalback(GLFWwindow*, int, int, int, int);
 
+    // OSC translation
+    std::string translate (std::string addresspqattern);
+    std::string alias (std::string target);
+
 private:
 
     static void listen();
@@ -177,6 +181,7 @@ private:
     std::condition_variable receiver_end_;
     UdpListeningReceiveSocket *receiver_;
 
+    std::map<std::string, std::string> aliases_;
     std::map<std::string, std::string> translation_;
     void loadOscConfig();
     void resetOscConfig();