Changeset 784:e87d083d0342 in freeDiameter for libfdproto

Timestamp:

Mar 30, 2012, 4:19:33 AM (12 years ago)

Author:

Sebastien Decugis <sdecugis@nict.go.jp>

Branch:

default

Phase:

public

Message:

Added ability to register another log function; thanks to Zack for the code

File:

• libfdproto/log.c (modified) (2 diffs)

libfdproto/log.c

@@ -50 +50 @@
 int fd_breakhere(void) { return ++fd_breaks; }
 
+/* Allow passing of the log and debug information from base stack to extensions */
+void (*fd_external_logger)( const char * format, va_list *args ) = NULL;
+
+/* Register an dexternal call back for tracing and debug */
+int fd_log_handler_register( void (*logger)(const char * format, va_list *args))
+{
+        CHECK_PARAMS( logger );
+
+        if ( fd_external_logger != NULL )
+        {
+               return EALREADY; /* only one registeration allowed */
+        }
+        else
+        {
+               fd_external_logger = logger;
+        }
+        return 0;
+}
+
+/* Implement a simple reset function here */
+int fd_log_handler_unregister ( void )
+{
+        fd_external_logger = NULL;
+        return 0; /* Successfull in all cases. */
+}
+
 static void fd_cleanup_mutex_silent( void * mutex )
 {
@@ -65 +91 @@
         
         va_start(ap, format);
-        vfprintf( fstr ?: stdout, format, ap);
+        if ( fd_external_logger != NULL )
+        {
+               fd_external_logger( format, &ap );
+        }
+        else
+        {
+               vfprintf( fstr ?: stdout, format, ap);
+               fflush(fstr ?: stdout);
+        }
         va_end(ap);
-        fflush(fstr ?: stdout);
 
         pthread_cleanup_pop(0);