add multicast

OSC/Source/OSC/Private/OscSettings.h

@@ -13,8 +13,16 @@ class UOscSettings : public UObject
 
 public:
 
+    /**
+     *  Specify the [address:]port to listen to.
+     *
+     *  e.g.
+     *  - "8000" listen to messages from any sender on port 8000.  [default]
+     *  - "224.0.0.100:8000" listen multi-cast messages of group 224.0.0.100 on port 8000.
+     *  - "192.168.0.1:8000" listen messages addressed specifically to 192.168.0.1 on port 8000, useful if there are several addresses for this machine.
+     */
     UPROPERTY(Config, EditAnywhere, Category=Receive)
-    int32 ReceivePort;
+    FString ReceiveFrom;
 
     UPROPERTY(Config, EditAnywhere, Category=Send)
     TArray<FString> SendTargets;
@@ -24,6 +32,14 @@ public:
 
     void Send(const uint8 *buffer, int32 length, int32 targetIndex);
 
+public:
+
+    /**
+     *  @brief Parse "8000" and "192.168.0.12" to IP and port values.
+     *  @return true if succeed
+     */
+    static bool Parse(const FString & address_port, FIPv4Address * address, uint32_t * port);
+
 private:
     TSharedRef<FSocket> _sendSocket;
     TArray<std::pair<FString, TSharedRef<FInternetAddr>>> _sendAddresses;