Add pseudotcp and pseudotcp-verbose flags to the NICE_DEBUG env var to enable...

Add pseudotcp and pseudotcp-verbose flags to the NICE_DEBUG env var to enable debug messages from pseudotcp socket too. And update the docs

agent/debug.c

@@ -41,16 +41,20 @@
 #include "debug.h"
 
 #include "stunagent.h"
-
+#include "pseudotcp.h"
 
 static int debug_enabled = 0;
 
 #define NICE_DEBUG_STUN 1
 #define NICE_DEBUG_NICE 2
+#define NICE_DEBUG_PSEUDOTCP 4
+#define NICE_DEBUG_PSEUDOTCP_VERBOSE 8
 
 static const GDebugKey keys[] = {
   { (gchar *)"stun",  NICE_DEBUG_STUN },
   { (gchar *)"nice",  NICE_DEBUG_NICE },
+  { (gchar *)"pseudotcp",  NICE_DEBUG_PSEUDOTCP },
+  { (gchar *)"pseudotcp-verbose",  NICE_DEBUG_PSEUDOTCP_VERBOSE },
   { NULL, 0},
 };
 
@@ -65,13 +69,21 @@ void nice_debug_init ()
   nice_debug_disable (TRUE);
 
   if (flags_string != NULL) {
-    flags = g_parse_debug_string (flags_string, keys,  2);
+    flags = g_parse_debug_string (flags_string, keys,  4);
 
     if (flags & NICE_DEBUG_NICE)
       nice_debug_enable (FALSE);
     if (flags & NICE_DEBUG_STUN)
       stun_debug_enable ();
 
+    /* Set verbose before normal so that if we use 'all', then only
+       normal debug is enabled, we'd need to set pseudotcp-verbose without the
+       pseudotcp flag in order to actually enable verbose pseudotcp */
+    if (flags & NICE_DEBUG_PSEUDOTCP_VERBOSE)
+      pseudo_tcp_set_debug_level (PSEUDO_TCP_DEBUG_VERBOSE);
+    if (flags & NICE_DEBUG_PSEUDOTCP)
+      pseudo_tcp_set_debug_level (PSEUDO_TCP_DEBUG_NORMAL);
+
   }
 }
 

agent/debug.h

@@ -41,19 +41,31 @@
 /**
  * SECTION:debug
  * @short_description: Debug messages utility functions
- * @stability: More flags are to come and a better API to
- * enable/disable each flag should be added. Unstable
+ * @stability: Unstable
  *
- * Libnice can output a lot of information when debug messages are enabled.
+ * <para>Libnice can output a lot of information when debug messages are enabled.
  * This can significantly help track down problems and/or understand what
- * it's doing.
- * You can enable/disable the debug messages by calling nice_debug_enable()
+ * it's doing.</para>
+ *
+ * <para>You can enable/disable the debug messages by calling nice_debug_enable()
  * or nice_debug_disable() and choosing whether you want only ICE debug messages
- * or also stun debug messages.
- * By default, the debug messages are disabled, unless the environment variable
- * NICE_DEBUG is set, in which case, it must contain a comma separated list of
- * flags specifying which debug to enable. The flags can be "nice", "stun",
- * or "all" to enable all debug messages.
+ * or also stun debug messages.</para>
+ *
+ * <para>By default, the debug messages are disabled, unless the environment
+ * variable NICE_DEBUG is set, in which case, it must contain a comma separated
+ * list of flags specifying which debug to enable.</para>
+ * <para> The currently available flags are "nice", "stun", "pseudotcp",
+ * "pseudotcp-verbose" or "all" to enable all debug messages.</para>
+ * <para> If the 'pseudotcp' flag is enabled, then 'pseudotcp-verbose' gets
+ * automatically disabled. This is to allow the use of the 'all' flag without
+ * having verbose messages from pseudotcp. You can enable verbose debug messages
+ * from the pseudotcp layer by specifying 'pseudotcp-verbose' without the
+ * 'pseudotcp' flag.</para>
+ *
+ *
+ * <para>This API is unstable and is subject to change at any time...
+ * More flags are to come and a better API to enable/disable each flag
+ * should be added.</para>
  */