- fix doc
[oweals/gnunet.git] / src / testbed / gnunet-helper-testbed.c
index 88ef3f87da48e9ec0265808d9aa5d88d8faee2aa..6937d7262e676c4b19818a677de38a99b0369acf 100644 (file)
@@ -24,8 +24,8 @@
  *          gnunet-service-testbed. This binary also receives configuration
  *          from the remove controller which is put in a temporary location
  *          with ports and paths fixed so that gnunet-service-testbed runs
- *          without any hurdles.  
- * 
+ *          without any hurdles.
+ *
  *          This helper monitors for three termination events.  They are: (1)The
  *          stdin of the helper is closed for reading; (2)the helper received
  *          SIGTERM/SIGINT; (3)the testbed crashed.  In case of events 1 and 2
@@ -161,13 +161,13 @@ static int status;
 static void
 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  LOG_DEBUG ("Shutting down\n");  
+  LOG_DEBUG ("Shutting down\n");
   shutdown_task_id = GNUNET_SCHEDULER_NO_TASK;
   if (NULL != testbed)
   {
     LOG_DEBUG ("Killing testbed\n");
-    GNUNET_break (0 == GNUNET_OS_process_kill (testbed, SIGTERM));
-  }  
+    GNUNET_break (0 == GNUNET_OS_process_kill (testbed, GNUNET_TERM_SIG));
+  }
   if (GNUNET_SCHEDULER_NO_TASK != read_task_id)
   {
     GNUNET_SCHEDULER_cancel (read_task_id);
@@ -194,7 +194,7 @@ shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
     GNUNET_break (GNUNET_OK == GNUNET_OS_process_wait (testbed));
     GNUNET_OS_process_destroy (testbed);
     testbed = NULL;
-  }  
+  }
   if (NULL != test_system)
   {
     GNUNET_TESTING_system_destroy (test_system, GNUNET_YES);
@@ -291,14 +291,14 @@ child_death_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
     GNUNET_break (0);
     return;
   }
-  GNUNET_break (GNUNET_SYSERR != 
+  GNUNET_break (GNUNET_SYSERR !=
                 (ret = GNUNET_OS_process_status (testbed, &type, &code)));
   if (GNUNET_NO != ret)
   {
     GNUNET_OS_process_destroy (testbed);
     testbed = NULL;
     /* Send SIGTERM to our process group */
-    if (0 != PLIBC_KILL (0, SIGTERM))
+    if (0 != PLIBC_KILL (0, GNUNET_TERM_SIG))
     {
       GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "signal");
       shutdown_now ();          /* Couldn't send the signal, we shutdown frowning */
@@ -337,6 +337,8 @@ tokenizer_cb (void *cls, void *client,
   char *hostname;
   char *config;
   char *xconfig;
+  char *evstr;
+  //char *str;
   size_t config_size;
   uLongf ul_config_size;
   size_t xconfig_size;
@@ -400,15 +402,42 @@ tokenizer_cb (void *cls, void *client,
                     hostname_size);
     hostname[hostname_size] = '\0';
   }
+  /* unset GNUNET_TESTING_PREFIX if present as it is more relevant for testbed */
+  evstr = getenv (GNUNET_TESTING_PREFIX);
+  if (NULL != evstr)
+  {
+    /* unsetting the variable will invalidate the pointer! */
+    evstr = GNUNET_strdup (evstr);
+#ifdef WINDOWS
+    GNUNET_break (0 != SetEnvironmentVariable (GNUNET_TESTING_PREFIX, NULL));
+#else
+    GNUNET_break (0 == unsetenv (GNUNET_TESTING_PREFIX));
+#endif
+  }
   test_system =
-      GNUNET_TESTING_system_create ("testbed-helper", trusted_ip, hostname, NULL);
+      GNUNET_TESTING_system_create ("testbed-helper", trusted_ip, hostname,
+                                    NULL);
+  if (NULL != evstr)
+  {
+#ifdef WINDOWS
+    GNUNET_assert (0 != SetEnvironmentVariable (GNUNET_TESTING_PREFIX, evstr));
+#else
+    static char evar[2* PATH_MAX];
+
+    GNUNET_assert (0 < GNUNET_snprintf (evar, sizeof (evar),
+                                        GNUNET_TESTING_PREFIX "=%s", evstr));
+    putenv (evar);
+#endif
+    GNUNET_free (evstr);
+    evstr = NULL;
+  }
   GNUNET_free_non_null (hostname);
   hostname = NULL;
   GNUNET_assert (NULL != test_system);
   GNUNET_assert (GNUNET_OK ==
                  GNUNET_TESTING_configuration_create (test_system, cfg));
   GNUNET_assert (GNUNET_OK ==
-                 GNUNET_CONFIGURATION_get_value_string (cfg, "PATHS",
+                 GNUNET_CONFIGURATION_get_value_filename (cfg, "PATHS",
                                                         "DEFAULTCONFIG",
                                                         &config));
   if (GNUNET_OK != GNUNET_CONFIGURATION_write (cfg, config))
@@ -421,12 +450,20 @@ tokenizer_cb (void *cls, void *client,
   }
   LOG_DEBUG ("Staring testbed with config: %s\n", config);
   binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-testbed");
-  /* expose testbed configuration through env variable */
-  GNUNET_assert (0 == setenv (ENV_TESTBED_CONFIG, config, 1));
+  {
+    static char evar[2 * PATH_MAX];
+
+    /* expose testbed configuration through env variable */
+    GNUNET_assert (0 < GNUNET_snprintf (evar, sizeof (evar),
+                                        "%s=%s", ENV_TESTBED_CONFIG, config));
+    GNUNET_assert (0 == putenv (evar));
+    evstr = NULL;
+  }
   testbed =
       GNUNET_OS_start_process (PIPE_CONTROL,
-                               GNUNET_OS_INHERIT_STD_ERR /*verbose? */ , NULL,
-                               NULL, binary, "gnunet-service-testbed", "-c",
+                               GNUNET_OS_INHERIT_STD_ERR /*verbose? */ ,
+                               NULL, NULL, NULL,
+                               binary, "gnunet-service-testbed", "-c",
                                config, NULL);
   GNUNET_free (binary);
   GNUNET_free (config);
@@ -444,7 +481,7 @@ tokenizer_cb (void *cls, void *client,
   xconfig_size =
       GNUNET_TESTBED_compress_config_ (config, config_size, &xconfig);
   GNUNET_free (config);
-  wc = GNUNET_malloc (sizeof (struct WriteContext));
+  wc = GNUNET_new (struct WriteContext);
   wc->length = xconfig_size + sizeof (struct GNUNET_TESTBED_HelperReply);
   reply = GNUNET_realloc (xconfig, wc->length);
   memmove (&reply[1], reply, xconfig_size);
@@ -454,7 +491,7 @@ tokenizer_cb (void *cls, void *client,
   wc->data = reply;
   write_task_id =
       GNUNET_SCHEDULER_add_write_file (GNUNET_TIME_UNIT_FOREVER_REL, stdout_fd,
-                                       &write_task, wc);  
+                                       &write_task, wc);
   child_death_task_id =
       GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
                                       GNUNET_DISK_pipe_handle (sigpipe,
@@ -532,7 +569,7 @@ run (void *cls, char *const *args, const char *cfgfile,
   read_task_id =
       GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL, stdin_fd,
                                       &read_task, NULL);
-  shutdown_task_id = 
+  shutdown_task_id =
       GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
                                     NULL);
 }
@@ -574,7 +611,7 @@ main (int argc, char **argv)
   int ret;
 
   status = GNUNET_OK;
-  if (NULL == (sigpipe = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO, 
+  if (NULL == (sigpipe = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO,
                                            GNUNET_NO, GNUNET_NO)))
   {
     GNUNET_break (0);