From 7666505af72b1ca0b568f1c8a053a506dda64d95 Mon Sep 17 00:00:00 2001
From: Sree Harsha Totakura <totakura@in.tum.de>
Date: Sun, 9 Sep 2012 14:20:50 +0000
Subject: error reporting in service_connect

---
 src/testbed/gnunet-service-testbed.c |  2 +-
 src/testbed/testbed_api.c            | 29 +++++++++++++++++++++++++++++
 src/testbed/testbed_api.h            | 13 +++++++++++++
 src/testbed/testbed_api_services.c   | 26 +++++++++++++++++++-------
 4 files changed, 62 insertions(+), 8 deletions(-)

(limited to 'src/testbed')

diff --git a/src/testbed/gnunet-service-testbed.c b/src/testbed/gnunet-service-testbed.c
index 3438d6794..1bc1683c8 100644
--- a/src/testbed/gnunet-service-testbed.c
+++ b/src/testbed/gnunet-service-testbed.c
@@ -930,7 +930,7 @@ lcf_proc_cc (void *cls, const char *emsg)
   }
   return;
 
-registration_error:
+ registration_error:
   LOG (GNUNET_ERROR_TYPE_WARNING, "Host registration failed with message: %s\n",
        emsg);
   lcf->state = FINISHED;
diff --git a/src/testbed/testbed_api.c b/src/testbed/testbed_api.c
index 9171ce947..fcbff7004 100644
--- a/src/testbed/testbed_api.c
+++ b/src/testbed/testbed_api.c
@@ -1758,4 +1758,33 @@ GNUNET_TESTBED_get_config_from_peerinfo_msg_ (const struct
   return cfg;
 }
 
+
+/**
+ * Checks the integrity of the OpeationFailureEventMessage and if good returns
+ * the error message it contains.
+ *
+ * @param msg the OperationFailureEventMessage
+ * @return the error message
+ */
+const char *
+GNUNET_TESTBED_parse_error_string_ (const struct
+                                    GNUNET_TESTBED_OperationFailureEventMessage
+                                    *msg)
+{
+  uint16_t msize;
+  const char *emsg;
+  
+  msize = ntohs (msg->header.size);
+  if (sizeof (struct GNUNET_TESTBED_OperationFailureEventMessage) == msize)
+    return NULL;
+  msize -= sizeof (struct GNUNET_TESTBED_OperationFailureEventMessage);
+  emsg = (const char *) &msg[1];
+  if ('\0' != emsg[msize])
+  {
+    GNUNET_break (0);
+    return NULL;
+  }
+  return emsg;
+}
+
 /* end of testbed_api.c */
diff --git a/src/testbed/testbed_api.h b/src/testbed/testbed_api.h
index 06ab6d504..a021e2130 100644
--- a/src/testbed/testbed_api.h
+++ b/src/testbed/testbed_api.h
@@ -398,5 +398,18 @@ GNUNET_TESTBED_get_config_from_peerinfo_msg_ (const struct
                                               GNUNET_TESTBED_PeerConfigurationInformationMessage
                                               *msg);
 
+
+/**
+ * Checks the integrity of the OpeationFailureEventMessage and if good returns
+ * the error message it contains.
+ *
+ * @param msg the OperationFailureEventMessage
+ * @return the error message
+ */
+const char *
+GNUNET_TESTBED_parse_error_string_ (const struct
+                                    GNUNET_TESTBED_OperationFailureEventMessage
+                                    *msg);
+
 #endif
 /* end of testbed_api.h */
diff --git a/src/testbed/testbed_api_services.c b/src/testbed/testbed_api_services.c
index c3375a9c7..62bafb724 100644
--- a/src/testbed/testbed_api_services.c
+++ b/src/testbed/testbed_api_services.c
@@ -138,30 +138,42 @@ configuration_receiver (void *cls, const struct GNUNET_MessageHeader *msg)
   struct ServiceConnectData *data = cls;
   const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *imsg;
   struct GNUNET_TESTBED_Controller *c;
+  const char *emsg;
   struct GNUNET_TESTBED_EventInformation info;
   uint16_t mtype;
 
   mtype = ntohs (msg->type);
+  emsg = NULL;
+  info.type = GNUNET_TESTBED_ET_OPERATION_FINISHED;
+  info.details.operation_finished.operation = data->operation;
+  info.details.operation_finished.op_cls = data->op_cls;
   if (GNUNET_MESSAGE_TYPE_TESTBED_OPERATIONFAILEVENT == mtype)
   {
-    GNUNET_assert (0); 		/* FIXME: Add notification for failure */
-  }
+    emsg = GNUNET_TESTBED_parse_error_string_ ((const struct
+                                                GNUNET_TESTBED_OperationFailureEventMessage
+                                                *) msg);
+    if (NULL == emsg)
+      emsg = "Unknown error";
+    info.details.operation_finished.emsg = emsg;
+    info.details.operation_finished.generic = NULL;
+    goto call_cb;
+  }  
   imsg =
       (const struct GNUNET_TESTBED_PeerConfigurationInformationMessage *) msg;
   data->cfg = GNUNET_TESTBED_get_config_from_peerinfo_msg_ (imsg);
-  data->op_result = data->ca (data->cada_cls, data->cfg);
-  info.type = GNUNET_TESTBED_ET_OPERATION_FINISHED;
-  info.details.operation_finished.operation = data->operation;
-  info.details.operation_finished.op_cls = data->op_cls;
+  GNUNET_assert (NULL == data->op_result);
+  data->op_result = data->ca (data->cada_cls, data->cfg);  
   info.details.operation_finished.emsg = NULL;
   info.details.operation_finished.generic = data->op_result;
   c = data->peer->controller;
   data->state = SERVICE_CONNECTED;
+  
+ call_cb:
   if ((0 != (GNUNET_TESTBED_ET_OPERATION_FINISHED & c->event_mask)) &&
       (NULL != c->cc))
     c->cc (c->cc_cls, &info);
   if (NULL != data->cb)
-    data->cb (data->cb_cls, data->operation, data->op_result, NULL);
+    data->cb (data->cb_cls, data->operation, data->op_result, emsg);
 }
 
 
-- 
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