fix whitespace

[oweals/gnunet.git] / src / nat / gnunet-service-nat_helper.c

diff --git a/src/nat/gnunet-service-nat_helper.c b/src/nat/gnunet-service-nat_helper.c
index 7e5051d6571305d43d1006c2912f4a78cf568077..de6531fa88b10da6a966ed62b3a4cd54df8e08a3 100644 (file)
--- a/src/nat/gnunet-service-nat_helper.c
+++ b/src/nat/gnunet-service-nat_helper.c
@@ -49,7 +49,7 @@ struct HelperContext
    * Closure for @e cb.
    */
   void *cb_cls;
-  
+
   /**
    * How long do we wait for restarting a crashed gnunet-helper-nat-server?
    */
@@ -126,7 +126,7 @@ nat_server_read (void *cls)
   memset (mybuf,
          0,
          sizeof (mybuf));
-  bytes 
+  bytes
     = GNUNET_DISK_file_read (h->server_stdout_handle,
                             mybuf,
                             sizeof (mybuf));
@@ -134,7 +134,7 @@ nat_server_read (void *cls)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Finished reading from server stdout with code: %d\n",
-               bytes);
+               (int) bytes);
     if (0 != GNUNET_OS_process_kill (h->server_proc,
                                     GNUNET_TERM_SIG))
       GNUNET_log_from_strerror (GNUNET_ERROR_TYPE_WARNING,
@@ -185,7 +185,7 @@ nat_server_read (void *cls)
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                _("gnunet-helper-nat-server generated malformed address `%s'\n"),
                mybuf);
-    h->server_read_task 
+    h->server_read_task
       = GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
                                         h->server_stdout_handle,
                                         &nat_server_read,
@@ -199,7 +199,7 @@ nat_server_read (void *cls)
              port);
   h->cb (h->cb_cls,
         &sin_addr);
-  h->server_read_task 
+  h->server_read_task
     = GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
                                       h->server_stdout_handle,
                                      &nat_server_read,
@@ -219,31 +219,44 @@ restart_nat_server (void *cls)
   struct HelperContext *h = cls;
   char *binary;
   char ia[INET_ADDRSTRLEN];
-  
+
   h->server_read_task = NULL;
-  h->server_stdout 
+  GNUNET_assert (NULL !=
+                inet_ntop (AF_INET,
+                           &h->internal_address,
+                           ia,
+                           sizeof (ia)));
+  /* Start the server process */
+  binary
+    = GNUNET_OS_get_libexec_binary_path ("gnunet-helper-nat-server");
+  if (GNUNET_YES !=
+      GNUNET_OS_check_helper_binary (binary,
+                                     GNUNET_YES,
+                                     ia))
+  {
+    /* move instantly to max delay, as this is unlikely to be fixed */
+    h->server_retry_delay
+      = GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD;
+    GNUNET_free (binary);
+    try_again (h);
+    return;
+  }
+  h->server_stdout
     = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_YES,
                        GNUNET_NO, GNUNET_YES);
   if (NULL == h->server_stdout)
   {
     GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
                         "pipe");
+    GNUNET_free (binary);
     try_again (h);
     return;
   }
-  GNUNET_assert (NULL !=
-                inet_ntop (AF_INET,
-                           &h->internal_address,
-                           ia,
-                           sizeof (ia)));
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Starting `%s' at `%s'\n",
              "gnunet-helper-nat-server",
              ia);
-  /* Start the server process */
-  binary
-    = GNUNET_OS_get_libexec_binary_path ("gnunet-helper-nat-server");
-  h->server_proc 
+  h->server_proc
     = GNUNET_OS_start_process (GNUNET_NO,
                               0,
                               NULL,
@@ -267,10 +280,10 @@ restart_nat_server (void *cls)
   /* Close the write end of the read pipe */
   GNUNET_DISK_pipe_close_end (h->server_stdout,
                              GNUNET_DISK_PIPE_END_WRITE);
-  h->server_stdout_handle 
+  h->server_stdout_handle
     = GNUNET_DISK_pipe_handle (h->server_stdout,
                               GNUNET_DISK_PIPE_END_READ);
-  h->server_read_task 
+  h->server_read_task
     = GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
                                      h->server_stdout_handle,
                                      &nat_server_read,
@@ -316,7 +329,7 @@ GN_start_gnunet_nat_server_ (const struct in_addr *internal_address,
  */
 void
 GN_stop_gnunet_nat_server_ (struct HelperContext *h)
-{  
+{
   if (NULL != h->server_read_task)
   {
     GNUNET_SCHEDULER_cancel (h->server_read_task);
@@ -384,13 +397,13 @@ GN_request_connection_reversal (const struct in_addr *internal_address,
     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
                         "inet_ntop");
     return GNUNET_SYSERR;
-  }  
+  }
   GNUNET_snprintf (port_as_string,
                    sizeof (port_as_string),
                    "%d",
                    internal_port);
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-             _("Running gnunet-helper-nat-client %s %s %u\n"),
+             "Running gnunet-helper-nat-client %s %s %u\n",
              intv4,
              remv4,
              internal_port);