Add frame timeout. Reduce frame max duration to 40ms.

src/protocols/rdp/client.h

@@ -54,7 +54,14 @@
 /**
  * The maximum duration of a frame in milliseconds.
  */
-#define GUAC_RDP_FRAME_DURATION 80
+#define GUAC_RDP_FRAME_DURATION 40
+
+/**
+ * The amount of time to allow per message read within a frame, in
+ * milliseconds. If the server is silent for at least this amount of time, the
+ * frame will be considered finished.
+ */
+#define GUAC_RDP_FRAME_TIMEOUT 15
 
 /**
  * Client data that will remain accessible through the guac_client.

src/protocols/rdp/guac_handlers.c

@@ -260,7 +260,7 @@ int rdp_guac_client_handle_messages(guac_client* client) {
         /* Wait again if frame remaining */
         if (frame_remaining > 0)
             wait_result = rdp_guac_client_wait_for_messages(client,
-                    frame_remaining*1000);
+                    GUAC_RDP_FRAME_TIMEOUT*1000);
         else
             break;
 

src/protocols/vnc/client.h

@@ -47,7 +47,14 @@
 /**
  * The maximum duration of a frame in milliseconds.
  */
-#define GUAC_VNC_FRAME_DURATION 80
+#define GUAC_VNC_FRAME_DURATION 40
+
+/**
+ * The amount of time to allow per message read within a frame, in
+ * milliseconds. If the server is silent for at least this amount of time, the
+ * frame will be considered finished.
+ */
+#define GUAC_VNC_FRAME_TIMEOUT 15
 
 extern char* __GUAC_CLIENT;
 

src/protocols/vnc/guac_handlers.c

@@ -75,7 +75,8 @@ int vnc_guac_client_handle_messages(guac_client* client) {
 
         /* Wait again if frame remaining */
         if (frame_remaining > 0)
-            wait_result = WaitForMessage(rfb_client, frame_remaining*1000);
+            wait_result = WaitForMessage(rfb_client,
+                    GUAC_VNC_FRAME_TIMEOUT*1000);
         else
             break;