Add protobuf message type Image and Friend_Avatar.

Also adds Friend_Avatar to the Common_Message list of possible
messages.

dll/common_includes.h

@@ -125,6 +125,7 @@ inline void reset_LastError()
     #include <sys/ioctl.h>
     #include <sys/socket.h>
     #include <sys/mount.h>
+    #include <sys/stat.h>
     #include <sys/statvfs.h>
     #include <sys/time.h>
 
@@ -220,4 +221,6 @@ inline std::string ascii_to_lowercase(std::string data) {
 
 #define LOBBY_CONNECT_APPID ((uint32)-2)
 
-#endif//__INCLUDED_COMMON_INCLUDES__
+#define FRIEND_AVATAR_MAX_IMAGE_LENGTH (5 * 1024 * 1024)
+
+#endif//__INCLUDED_COMMON_INCLUDES__

dll/net.proto

@@ -179,6 +179,31 @@ message Friend {
     uint64 lobby_id = 5;
 }
 
+message Image {
+    enum MessageTypes {
+        REQUEST = 0;
+        NOTIFY = 1;
+    }
+
+    enum ImgTypes {
+        RAW = 0;
+        JPG = 1;
+        PNG = 2;
+        GIF = 3;
+    }
+
+    MessageTypes type = 1;
+    ImgTypes img_type = 2;
+    uint32 img_width = 3;
+    uint32 img_height = 4;
+    uint32 img_components = 5;
+    bytes img_data = 6;
+}
+
+message Friend_Avatar {
+    Image img = 1;
+}
+
 message Auth_Ticket {
     uint32 number = 1;
 
@@ -230,6 +255,7 @@ message Common_Message {
         Networking_Sockets networking_sockets = 13;
         Steam_Messages steam_messages = 14;
         Networking_Messages networking_messages = 15;
+        Friend_Avatar friend_avatar = 16;
     }
 
     uint32 source_ip = 128;

dll/network.cpp

@@ -581,6 +581,11 @@ void Networking::do_callbacks_message(Common_Message *msg)
         PRINT_DEBUG("has_networking_messages\n");
         run_callbacks(CALLBACK_ID_NETWORKING_MESSAGES, msg);
     }
+
+    if (msg->has_friend_avatar()) {
+        PRINT_DEBUG("has_friend_avatar\n");
+        run_callbacks(CALLBACK_ID_FRIEND_AVATAR, msg);
+    }
 }
 
 bool Networking::handle_tcp(Common_Message *msg, struct TCP_Socket &socket)

dll/network.h

@@ -61,6 +61,7 @@ enum Callback_Ids {
     CALLBACK_ID_NETWORKING_SOCKETS,
     CALLBACK_ID_STEAM_MESSAGES,
     CALLBACK_ID_NETWORKING_MESSAGES,
+    CALLBACK_ID_FRIEND_AVATAR,
 
     CALLBACK_IDS_MAX
 };