1 files changed, 163 insertions, 0 deletions

diff --git a/src/transport/transport_api_cmd_stop_peer.c b/src/transport/transport_api_cmd_stop_peer.c
new file mode 100644
index 000000000..2277520ec
--- /dev/null
+++ b/src/transport/transport_api_cmd_stop_peer.c
@@ -0,0 +1,163 @@
+/*
+      This file is part of GNUnet
+      Copyright (C) 2021 GNUnet e.V.
+
+      GNUnet is free software: you can redistribute it and/or modify it
+      under the terms of the GNU Affero General Public License as published
+      by the Free Software Foundation, either version 3 of the License,
+      or (at your option) any later version.
+
+      GNUnet is distributed in the hope that it will be useful, but
+      WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+      Affero General Public License for more details.
+
+      You should have received a copy of the GNU Affero General Public License
+      along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+
+/**
+ * @file testing_api_cmd_stop_peer.c
+ * @brief cmd to stop a peer.
+ * @author t3sserakt
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_testing_ng_lib.h"
+#include "gnunet_peerstore_service.h"
+#include "gnunet_transport_core_service.h"
+#include "gnunet_transport_application_service.h"
+#include "transport-testing-ng.h"
+
+/**
+ * Generic logging shortcut
+ */
+#define LOG(kind, ...) GNUNET_log (kind, __VA_ARGS__)
+
+
+/**
+ * Struct to hold information for callbacks.
+ *
+ */
+struct StopPeerState
+{
+  // Label of the cmd to start the peer.
+  const char *start_label;
+};
+
+
+/**
+ * The run method of this cmd will stop all services of a peer which were used to test the transport service.
+ *
+ */
+static void
+stop_peer_run (void *cls,
+               const struct GNUNET_TESTING_Command *cmd,
+               struct GNUNET_TESTING_Interpreter *is)
+{
+  struct StopPeerState *stop_ps = cls;
+  struct StartPeerState *sps;
+  const struct GNUNET_TESTING_Command *start_cmd;
+
+  start_cmd = GNUNET_TESTING_interpreter_lookup_command (stop_ps->start_label);
+  GNUNET_TRANSPORT_get_trait_state (start_cmd,
+                                    &sps);
+
+  if (NULL != sps->pic)
+  {
+    GNUNET_PEERSTORE_iterate_cancel (sps->pic);
+    sps->pic = NULL;
+  }
+  if (NULL != sps->th)
+  {
+    GNUNET_TRANSPORT_core_disconnect (sps->th);
+    sps->th = NULL;
+  }
+  if (NULL != sps->ah)
+  {
+    GNUNET_TRANSPORT_application_done (sps->ah);
+    sps->ah = NULL;
+  }
+  if (NULL != sps->ph)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Disconnecting from PEERSTORE service\n");
+    GNUNET_PEERSTORE_disconnect (sps->ph, GNUNET_NO);
+    sps->ph = NULL;
+  }
+  if (NULL != sps->peer)
+  {
+    if (GNUNET_OK !=
+        GNUNET_TESTING_peer_stop (sps->peer))
+    {
+      LOG (GNUNET_ERROR_TYPE_DEBUG,
+           "Testing lib failed to stop peer %u (`%s')\n",
+           sps->no,
+           GNUNET_i2s (&sps->id));
+    }
+    GNUNET_TESTING_peer_destroy (sps->peer);
+    sps->peer = NULL;
+  }
+  if (NULL != sps->rh_task)
+    GNUNET_SCHEDULER_cancel (sps->rh_task);
+  sps->rh_task = NULL;
+
+}
+
+
+/**
+ * The cleanup function of this cmd frees resources the cmd allocated.
+ *
+ */
+static void
+stop_peer_cleanup (void *cls,
+                   const struct GNUNET_TESTING_Command *cmd)
+{
+  struct StopPeerState *sps = cls;
+
+  GNUNET_free (sps);
+}
+
+
+/**
+ * Trait function of this cmd does nothing.
+ *
+ */
+static int
+stop_peer_traits (void *cls,
+                  const void **ret,
+                  const char *trait,
+                  unsigned int index)
+{
+  return GNUNET_OK;
+}
+
+
+/**
+ * Create command.
+ *
+ * @param label name for command.
+ * @param start_label Label of the cmd to start the peer.
+ * @return command.
+ */
+struct GNUNET_TESTING_Command
+GNUNET_TRANSPORT_cmd_stop_peer (const char *label,
+                                const char *start_label)
+{
+  struct StopPeerState *sps;
+
+  sps = GNUNET_new (struct StopPeerState);
+  sps->start_label = start_label;
+
+  struct GNUNET_TESTING_Command cmd = {
+    .cls = sps,
+    .label = label,
+    .run = &stop_peer_run,
+    .cleanup = &stop_peer_cleanup,
+    .traits = &stop_peer_traits
+  };
+
+  return cmd;
+}