- towards testbed barriers
[oweals/gnunet.git] / src / testbed / test_testbed_api.c
index 612b30347340641135c2f0c208a303171299c955..97ca15c5f9ab9a78b6f1c0ee79de3ae399ddf20d 100644 (file)
@@ -1,6 +1,6 @@
 /*
       This file is part of GNUnet
-      (C) 2008--2012 Christian Grothoff (and other contributing authors)
+      (C) 2008--2013 Christian Grothoff (and other contributing authors)
 
       GNUnet is free software; you can redistribute it and/or modify
       it under the terms of the GNU General Public License as published
 /**
  * @file testbed/test_testbed_api.c
  * @brief testcases for the testbed api
- * @author Sree Harsha Totakura <sreeharsha@totakura.in> 
+ * @author Sree Harsha Totakura
  */
 
 #include "platform.h"
 #include "gnunet_util_lib.h"
-#include "gnunet_testing_lib-new.h"
+#include "gnunet_arm_service.h"
+#include "gnunet_testing_lib.h"
 #include "gnunet_testbed_service.h"
 
-
 /**
  * Generic logging shortcut
  */
 #define LOG(kind,...)                          \
   GNUNET_log (kind, __VA_ARGS__)
 
+/**
+ * Relative time seconds shorthand
+ */
+#define TIME_REL_SECS(sec) \
+  GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, sec)
 
 /**
  * Our localhost
  */
 static struct GNUNET_TESTBED_Host *host;
 
+/**
+ * The controller process
+ */
+static struct GNUNET_TESTBED_ControllerProc *cp;
+
 /**
  * The controller handle
  */
-static struct GNUNET_TESTBED_Controller *c;
+static struct GNUNET_TESTBED_Controller *controller;
 
 /**
  * A neighbouring host
@@ -57,10 +67,30 @@ static struct GNUNET_TESTBED_Host *neighbour;
  */
 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
 
+/**
+ * Handle for a peer
+ */
+static struct GNUNET_TESTBED_Peer *peer;
+
+/**
+ * Handle to configuration
+ */
+static struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Handle to operation
+ */
+static struct GNUNET_TESTBED_Operation *operation;
+
+/**
+ * Handle to peer's ARM service
+ */
+static struct GNUNET_ARM_Handle *arm_handle;
+
 /**
  * Abort task identifier
  */
-static GNUNET_SCHEDULER_TaskIdentifier abort_task_id;
+static GNUNET_SCHEDULER_TaskIdentifier abort_task;
 
 /**
  * The testing result
@@ -68,6 +98,37 @@ static GNUNET_SCHEDULER_TaskIdentifier abort_task_id;
 static int result;
 
 
+/**
+ * Enumeration of sub testcases
+ */
+enum Test
+{
+    /**
+     * Test cases which are not covered by the below ones
+     */
+  OTHER,
+
+    /**
+     * Test where we get a peer config from controller
+     */
+  PEER_GETCONFIG,
+
+    /**
+     * Test where we connect to a service running on the peer
+     */
+  PEER_SERVICE_CONNECT,
+
+    /**
+     * Test where we get a peer's identity from controller
+     */
+  PEER_DESTROY,
+};
+
+/**
+ * Testing status
+ */
+static enum Test sub_test;
+
 /**
  * Shutdown nicely
  *
@@ -75,18 +136,41 @@ static int result;
  * @param tc the task context
  */
 static void
-do_shutdown (void *cls, const const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  if (GNUNET_SCHEDULER_NO_TASK != abort_task_id)
-    GNUNET_SCHEDULER_cancel (abort_task_id);
+  LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down...\n");
+  if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+    GNUNET_SCHEDULER_cancel (abort_task);
   if (NULL != reg_handle)
     GNUNET_TESTBED_cancel_registration (reg_handle);
-  GNUNET_TESTBED_controller_disconnect (c);
-  GNUNET_TESTBED_host_destroy (neighbour);
+  if (NULL != controller)
+    GNUNET_TESTBED_controller_disconnect (controller);
+  if (NULL != cfg)
+    GNUNET_CONFIGURATION_destroy (cfg);
+  if (NULL != cp)
+    GNUNET_TESTBED_controller_stop (cp);
+  if (NULL != neighbour)
+    GNUNET_TESTBED_host_destroy (neighbour);
+  if (NULL != host)
   GNUNET_TESTBED_host_destroy (host);
 }
 
 
+/**
+ * shortcut to exit during failure
+ */
+#define FAIL_TEST(cond, ret) do {                                   \
+    if (!(cond)) {                                              \
+      GNUNET_break(0);                                          \
+      if (GNUNET_SCHEDULER_NO_TASK != abort_task)               \
+        GNUNET_SCHEDULER_cancel (abort_task);                   \
+      abort_task = GNUNET_SCHEDULER_NO_TASK;                    \
+      GNUNET_SCHEDULER_add_now (do_shutdown, NULL);             \
+      ret;                                                   \
+    }                                                          \
+  } while (0)
+
+
 /**
  * abort task to run on test timed out
  *
@@ -94,14 +178,119 @@ do_shutdown (void *cls, const const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @param tc the task context
  */
 static void
-do_abort (void *cls, const const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   LOG (GNUNET_ERROR_TYPE_WARNING, "Test timedout -- Aborting\n");
-  abort_task_id = GNUNET_SCHEDULER_NO_TASK;
+  abort_task = GNUNET_SCHEDULER_NO_TASK;
   do_shutdown (cls, tc);
 }
 
 
+/**
+ * Adapter function called to establish a connection to
+ * a service.
+ *
+ * @param cls closure
+ * @param cfg configuration of the peer to connect to; will be available until
+ *          GNUNET_TESTBED_operation_done() is called on the operation returned
+ *          from GNUNET_TESTBED_service_connect()
+ * @return service handle to return in 'op_result', NULL on error
+ */
+static void *
+arm_connect_adapter (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  FAIL_TEST (NULL == cls, return NULL);
+  FAIL_TEST (OTHER == sub_test, return NULL);
+  sub_test = PEER_SERVICE_CONNECT;
+  arm_handle = GNUNET_ARM_connect (cfg, NULL, NULL);
+  return arm_handle;
+}
+
+
+/**
+ * Adapter function called to destroy a connection to
+ * a service.
+ *
+ * @param cls closure
+ * @param op_result service handle returned from the connect adapter
+ */
+static void
+arm_disconnect_adapter (void *cls, void *op_result)
+{
+  FAIL_TEST (NULL != op_result, return);
+  FAIL_TEST (op_result == arm_handle, return);
+  GNUNET_ARM_disconnect_and_free (arm_handle);
+  arm_handle = NULL;
+  FAIL_TEST (PEER_SERVICE_CONNECT == sub_test, return);
+  FAIL_TEST (NULL != operation, return);
+  operation = GNUNET_TESTBED_peer_stop (NULL, peer, NULL, NULL);
+  FAIL_TEST (NULL != operation, return);
+}
+
+
+/**
+ * Callback to be called when a service connect operation is completed
+ *
+ * @param cls the callback closure from functions generating an operation
+ * @param op the operation that has been finished
+ * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
+ * @param emsg error message in case the operation has failed; will be NULL if
+ *          operation has executed successfully.
+ */
+static void
+service_connect_comp_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
+                         void *ca_result, const char *emsg)
+{
+  switch (sub_test)
+  {
+  case PEER_SERVICE_CONNECT:
+    FAIL_TEST (operation == op, return);
+    FAIL_TEST (NULL == emsg, return);
+    FAIL_TEST (NULL == cls, return);
+    FAIL_TEST (ca_result == arm_handle, return);
+    GNUNET_TESTBED_operation_done (operation);  /* This results in call to
+                                                 * disconnect adapter */
+    break;
+  default:
+    FAIL_TEST (0, return);
+  }
+}
+
+
+
+/**
+ * Callback to be called when the requested peer information is available
+ *
+ * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
+ * @param op the operation this callback corresponds to
+ * @param pinfo the result; will be NULL if the operation has failed
+ * @param emsg error message if the operation has failed; will be NULL if the
+ *          operation is successfull
+ */
+static void
+peerinfo_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
+             const struct GNUNET_TESTBED_PeerInformation *pinfo,
+             const char *emsg)
+{
+  switch (sub_test)
+  {
+  case PEER_GETCONFIG:
+    FAIL_TEST (NULL != pinfo, return);
+    FAIL_TEST (NULL == emsg, return);
+    FAIL_TEST (NULL == cb_cls, return);
+    FAIL_TEST (operation == op, return);
+    FAIL_TEST (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit, return);
+    FAIL_TEST (NULL != pinfo->result.cfg, return);
+    sub_test = PEER_DESTROY;
+    GNUNET_TESTBED_operation_done (operation);
+    operation = GNUNET_TESTBED_peer_destroy (peer);
+    break;
+  default:
+    FAIL_TEST (0, return);
+  }
+}
+
+
 /**
  * Signature of the event handler function called by the
  * respective event controller.
@@ -109,10 +298,84 @@ do_abort (void *cls, const const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @param cls closure
  * @param event information about the event
  */
-static void 
-controller_cb(void *cls, const struct GNUNET_TESTBED_EventInformation *event)
+static void
+controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
 {
-  GNUNET_break (0);
+  switch (event->type)
+  {
+  case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+    switch (sub_test)
+    {
+    case PEER_DESTROY:
+      FAIL_TEST (event->op == operation, return);
+      FAIL_TEST (NULL == event->op_cls, return);
+      FAIL_TEST (NULL == event->details.operation_finished.emsg, return);
+      FAIL_TEST (NULL == event->details.operation_finished.generic, return);
+      GNUNET_TESTBED_operation_done (operation);
+      GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+      break;
+    case PEER_SERVICE_CONNECT:
+      FAIL_TEST (event->op == operation, return);
+      FAIL_TEST (NULL == event->op_cls, return);
+      FAIL_TEST (NULL == event->details.operation_finished.emsg, return);
+      FAIL_TEST (NULL != arm_handle, return);
+      FAIL_TEST (event->details.operation_finished.generic == arm_handle, return);
+      break;
+    default:
+      FAIL_TEST (0, return);
+      break;
+    }
+    break;
+  case GNUNET_TESTBED_ET_PEER_START:
+    FAIL_TEST (event->details.peer_start.host == host, return);
+    FAIL_TEST (event->details.peer_start.peer == peer, return);
+    FAIL_TEST (OTHER == sub_test, return);
+    GNUNET_TESTBED_operation_done (operation);
+    operation =
+        GNUNET_TESTBED_service_connect (NULL, peer, "dht",
+                                        &service_connect_comp_cb, NULL,
+                                        &arm_connect_adapter,
+                                        &arm_disconnect_adapter, NULL);
+    FAIL_TEST (NULL != operation, return);
+    break;
+  case GNUNET_TESTBED_ET_PEER_STOP:
+    FAIL_TEST (event->details.peer_stop.peer == peer, return);
+    FAIL_TEST (PEER_SERVICE_CONNECT == sub_test, return);
+    result = GNUNET_YES;
+    sub_test = PEER_GETCONFIG;
+    GNUNET_TESTBED_operation_done (operation);
+    operation =
+        GNUNET_TESTBED_peer_get_information (peer,
+                                             GNUNET_TESTBED_PIT_CONFIGURATION,
+                                             &peerinfo_cb, NULL);
+    break;
+  default:
+    FAIL_TEST (0, return);          /* We should never reach this state */
+  }
+}
+
+
+/**
+ * Functions of this signature are called when a peer has been successfully
+ * created
+ *
+ * @param cls the closure from GNUNET_TESTBED_peer_create()
+ * @param peer the handle for the created peer; NULL on any error during
+ *          creation
+ * @param emsg NULL if peer is not NULL; else MAY contain the error description
+ */
+static void
+peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
+{
+  struct GNUNET_TESTBED_Peer **peer_ptr;
+
+  peer_ptr = cls;
+  FAIL_TEST (NULL != peer, return);
+  FAIL_TEST (NULL != peer_ptr, return);
+  *peer_ptr = peer;
+  GNUNET_TESTBED_operation_done (operation);
+  operation = GNUNET_TESTBED_peer_start (NULL, peer, NULL, NULL);
+  FAIL_TEST (NULL != operation, return);
 }
 
 
@@ -122,56 +385,104 @@ controller_cb(void *cls, const struct GNUNET_TESTBED_EventInformation *event)
  * @param cls the host which has been registered
  * @param emsg the error message; NULL if host registration is successful
  */
-static void 
+static void
 registration_comp (void *cls, const char *emsg)
 {
-  GNUNET_assert (cls == neighbour);
+  FAIL_TEST (cls == neighbour, return);
   reg_handle = NULL;
-  result = GNUNET_YES;
-  GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+  operation =
+      GNUNET_TESTBED_peer_create (controller, host, cfg, &peer_create_cb,
+                                  &peer);
+  FAIL_TEST (NULL != operation, return);
 }
 
 
 /**
- * Main point of test execution
+ * Callback to signal successfull startup of the controller process
+ *
+ * @param cls the closure from GNUNET_TESTBED_controller_start()
+ * @param cfg the configuration with which the controller has been started;
+ *          NULL if status is not GNUNET_OK
+ * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
+ *          GNUNET_TESTBED_controller_stop() shouldn't be called in this case
  */
 static void
-run (void *cls,
-     const struct GNUNET_CONFIGURATION_Handle *cfg,
-     struct GNUNET_TESTING_Peer *peer)
+status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg_, int status)
 {
   uint64_t event_mask;
 
-  host = GNUNET_TESTBED_host_create (NULL, NULL, 0);
-  GNUNET_assert (NULL != host);
-  event_mask ^= event_mask;    /* NULL out */
+  if (GNUNET_OK != status)
+  {
+    cp = NULL;
+    FAIL_TEST (0, return);
+    return;
+  }  
+  event_mask = 0;
   event_mask |= (1L << GNUNET_TESTBED_ET_PEER_START);
   event_mask |= (1L << GNUNET_TESTBED_ET_PEER_STOP);
   event_mask |= (1L << GNUNET_TESTBED_ET_CONNECT);
-  c = GNUNET_TESTBED_controller_connect (cfg, host, event_mask,
-                                        &controller_cb, NULL);
-  GNUNET_assert (NULL != c);
-  neighbour = GNUNET_TESTBED_host_create ("localhost", NULL, 0);
-  GNUNET_assert (NULL != neighbour);
-  reg_handle = 
-    GNUNET_TESTBED_register_host (c, neighbour, &registration_comp, neighbour);
-  GNUNET_assert (NULL != reg_handle);
-  
-  abort_task_id = GNUNET_SCHEDULER_add_delayed 
-    (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 30), &do_abort, NULL);
+  event_mask |= (1L << GNUNET_TESTBED_ET_OPERATION_FINISHED);
+  controller =
+      GNUNET_TESTBED_controller_connect (host, event_mask, &controller_cb,
+                                         NULL);
+  FAIL_TEST (NULL != controller, return);
+  neighbour = GNUNET_TESTBED_host_create ("localhost", NULL, cfg, 0);
+  FAIL_TEST (NULL != neighbour, return);
+  reg_handle =
+      GNUNET_TESTBED_register_host (controller, neighbour, &registration_comp,
+                                    neighbour);
+  FAIL_TEST (NULL != reg_handle, return);
+}
+
+
+
+/**
+ * Main run function.
+ *
+ * @param cls NULL
+ * @param args arguments passed to GNUNET_PROGRAM_run
+ * @param cfgfile the path to configuration file
+ * @param cfg the configuration file handle
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *config)
+{
+  cfg = GNUNET_CONFIGURATION_dup (config);
+  host = GNUNET_TESTBED_host_create (NULL, NULL, cfg, 0);
+  FAIL_TEST (NULL != host, return);
+  cp = GNUNET_TESTBED_controller_start ("127.0.0.1", host, status_cb,
+                                        NULL);
+  abort_task =
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+                                    (GNUNET_TIME_UNIT_MINUTES, 5), &do_abort,
+                                    NULL);
 }
 
 
 /**
  * Main function
  */
-int main (int argc, char **argv)
+int
+main (int argc, char **argv)
 {
+  int ret;
+
+  char *const argv2[] = { "test_testbed_api",
+    "-c", "test_testbed_api.conf",
+    NULL
+  };
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
   result = GNUNET_SYSERR;
-  if (0 != GNUNET_TESTING_service_run ("test_testbed_api",
-                                      "testbed",
-                                      "test_testbed_api.conf",
-                                      &run, NULL))
+  ret =
+      GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
+                          "test_testbed_api", "nohelp", options, &run, NULL);
+  if ((GNUNET_OK != ret) || (GNUNET_OK != result))
     return 1;
-  else return (GNUNET_OK == result) ? 0 : 1;
+  return 0;
 }
+
+/* end of test_testbed_api.c */