summaryrefslogtreecommitdiff
path: root/src/transport/transport_api_cmd_start_peer_v2.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/transport/transport_api_cmd_start_peer_v2.c')
-rw-r--r--src/transport/transport_api_cmd_start_peer_v2.c607
1 files changed, 607 insertions, 0 deletions
diff --git a/src/transport/transport_api_cmd_start_peer_v2.c b/src/transport/transport_api_cmd_start_peer_v2.c
new file mode 100644
index 000000000..0e39bd915
--- /dev/null
+++ b/src/transport/transport_api_cmd_start_peer_v2.c
@@ -0,0 +1,607 @@
+/*
+ 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_start_peer.c
+ * @brief cmd to start 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-cmds.h"
+
+/**
+ * Generic logging shortcut
+ */
+#define LOG(kind, ...) GNUNET_log (kind, __VA_ARGS__)
+
+
+static void
+retrieve_hello (void *cls);
+
+
+/**
+ * Callback delivering the hello of this peer from peerstore.
+ *
+ */
+static void
+hello_iter_cb (void *cb_cls,
+ const struct GNUNET_PEERSTORE_Record *record,
+ const char *emsg)
+{
+ struct StartPeerState_v2 *sps = cb_cls;
+ if (NULL == record)
+ {
+ sps->pic = NULL;
+ sps->rh_task = GNUNET_SCHEDULER_add_now (retrieve_hello, sps);
+ return;
+ }
+ // Check record type et al?
+ sps->hello_size = record->value_size;
+ sps->hello = GNUNET_malloc (sps->hello_size);
+ memcpy (sps->hello, record->value, sps->hello_size);
+ sps->hello[sps->hello_size - 1] = '\0';
+
+ GNUNET_PEERSTORE_iterate_cancel (sps->pic);
+ sps->pic = NULL;
+ sps->finished = GNUNET_YES;
+}
+
+
+/**
+ * Function to start the retrieval task to retrieve the hello of this peer
+ * from the peerstore.
+ *
+ */
+static void
+retrieve_hello (void *cls)
+{
+ struct StartPeerState_v2 *sps = cls;
+ sps->rh_task = NULL;
+ sps->pic = GNUNET_PEERSTORE_iterate (sps->ph,
+ "transport",
+ &sps->id,
+ GNUNET_PEERSTORE_TRANSPORT_HELLO_KEY,
+ hello_iter_cb,
+ sps);
+
+}
+
+
+/**
+ * This function checks StartPeerState_v2#finished, which is set when the hello was retrieved.
+ *
+ */
+static int
+start_peer_finish (void *cls,
+ GNUNET_SCHEDULER_TaskCallback cont,
+ void *cont_cls)
+{
+ struct StartPeerState_v2 *sps = cls;
+
+ if (GNUNET_YES == sps->finished)
+ {
+ cont (cont_cls);
+ }
+
+ return sps->finished;
+}
+
+
+/**
+ * Disconnect callback for the connection to the core service.
+ *
+ */
+static void
+notify_disconnect (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ void *handler_cls)
+{
+ struct StartPeerState_v2 *sps = cls;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer %s disconnected from peer %u (`%s')\n",
+ GNUNET_i2s (peer),
+ sps->no,
+ GNUNET_i2s (&sps->id));
+
+}
+
+
+/**
+ * Connect callback for the connection to the core service.
+ *
+ */
+static void *
+notify_connect (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_MQ_Handle *mq)
+{
+ struct StartPeerState_v2 *sps = cls;
+ struct GNUNET_ShortHashCode *key = GNUNET_new (struct GNUNET_ShortHashCode);
+ struct GNUNET_HashCode hc;
+ int node_number;
+
+ void *ret = NULL;
+
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer %s connected to peer %u (`%s')\n",
+ GNUNET_i2s (peer),
+ sps->no,
+ GNUNET_i2s (&sps->id));
+
+ // TODO we need to store with a key identifying the netns node in the future. For now we have only one connecting node.
+ node_number = 1;
+ GNUNET_CRYPTO_hash (&node_number, sizeof(node_number), &hc);
+
+
+ memcpy (key,
+ &hc,
+ sizeof (*key));
+ GNUNET_CONTAINER_multishortmap_put (sps->connected_peers_map,
+ key,
+ mq,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+
+ GNUNET_free (key);
+ // TODO what does the handler function need?
+ return ret;
+}
+
+
+/**
+ * The run method of this cmd will start all services of a peer to test the transport service.
+ *
+ */
+static void
+start_peer_run (void *cls,
+ const struct GNUNET_TESTING_Command *cmd,
+ struct GNUNET_TESTING_Interpreter *is)
+{
+ struct StartPeerState_v2 *sps = cls;
+ char *emsg = NULL;
+ struct GNUNET_PeerIdentity dummy;
+ const struct GNUNET_TESTING_Command *system_cmd;
+ struct GNUNET_TESTING_System *tl_system;
+ char *home;
+ char *transport_unix_path;
+ char *communicator_unix_path;
+ char *bindto;
+
+ if (GNUNET_NO == GNUNET_DISK_file_test (sps->cfgname))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "File not found: `%s'\n",
+ sps->cfgname);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+
+
+ sps->cfg = GNUNET_CONFIGURATION_create ();
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONFIGURATION_load (sps->cfg, sps->cfgname));
+
+ GNUNET_asprintf (&home,
+ "$GNUNET_TMP/test-transport/api-tcp-p%u",
+ sps->no);
+
+ GNUNET_asprintf (&transport_unix_path,
+ "$GNUNET_RUNTIME_DIR/tng-p%u.sock",
+ sps->no);
+
+ GNUNET_asprintf (&communicator_unix_path,
+ "$GNUNET_RUNTIME_DIR/tcp-comm-p%u.sock",
+ sps->no);
+
+ GNUNET_asprintf (&bindto,
+ "%s:60002",
+ sps->node_ip);
+
+
+ GNUNET_CONFIGURATION_set_value_string (sps->cfg, "PATHS", "GNUNET_TEST_HOME",
+ home);
+ GNUNET_CONFIGURATION_set_value_string (sps->cfg, "transport", "UNIXPATH",
+ transport_unix_path);
+ GNUNET_CONFIGURATION_set_value_string (sps->cfg, "communicator-tcp",
+ "BINDTO",
+ bindto);
+ GNUNET_CONFIGURATION_set_value_string (sps->cfg, "communicator-tcp",
+ "UNIXPATH",
+ communicator_unix_path);
+
+ system_cmd = GNUNET_TESTING_interpreter_lookup_command (sps->system_label);
+ GNUNET_TESTING_get_trait_test_system (system_cmd,
+ &tl_system);
+
+ sps->tl_system = tl_system;
+
+ if (GNUNET_SYSERR ==
+ GNUNET_TESTING_configuration_create (tl_system,
+ sps->cfg))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to create unique configuration based on `%s'\n",
+ sps->cfgname);
+ GNUNET_CONFIGURATION_destroy (sps->cfg);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+
+ sps->peer = GNUNET_TESTING_peer_configure (sps->tl_system,
+ sps->cfg,
+ sps->no,
+ NULL,
+ &emsg);
+ if (NULL == sps->peer)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to create unique configuration based on `%s': `%s'\n",
+ sps->cfgname,
+ emsg);
+ GNUNET_free (emsg);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+
+ if (GNUNET_OK != GNUNET_TESTING_peer_start (sps->peer))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to create unique configuration based on `%s'\n",
+ sps->cfgname);
+ GNUNET_free (emsg);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+
+ memset (&dummy,
+ '\0',
+ sizeof(dummy));
+
+ GNUNET_TESTING_peer_get_identity (sps->peer,
+ &sps->id);
+
+ if (0 == memcmp (&dummy,
+ &sps->id,
+ sizeof(struct GNUNET_PeerIdentity)))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Testing library failed to obtain peer identity for peer %u\n",
+ sps->no);
+ GNUNET_free (emsg);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer %u configured with identity `%s'\n",
+ sps->no,
+ GNUNET_i2s_full (&sps->id));
+
+ sps->th = GNUNET_TRANSPORT_core_connect (sps->cfg,
+ NULL,
+ sps->handlers,
+ sps,
+ &notify_connect,
+ &notify_disconnect);
+ if (NULL == sps->th)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to transport service for peer `%s': `%s'\n",
+ sps->cfgname,
+ emsg);
+ GNUNET_free (emsg);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+
+ sps->ph = GNUNET_PEERSTORE_connect (sps->cfg);
+ if (NULL == sps->th)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to peerstore service for peer `%s': `%s'\n",
+ sps->cfgname,
+ emsg);
+ GNUNET_free (emsg);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+
+ sps->ah = GNUNET_TRANSPORT_application_init (sps->cfg);
+ if (NULL == sps->ah)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to initialize the TRANSPORT application suggestion client handle for peer `%s': `%s'\n",
+ sps->cfgname,
+ emsg);
+ GNUNET_free (emsg);
+ GNUNET_TESTING_interpreter_fail ();
+ return;
+ }
+ sps->rh_task = GNUNET_SCHEDULER_add_now (retrieve_hello, sps);
+}
+
+
+/**
+ * The cleanup function of this cmd frees resources the cmd allocated.
+ *
+ */
+static void
+start_peer_cleanup (void *cls,
+ const struct GNUNET_TESTING_Command *cmd)
+{
+ struct StartPeerState_v2 *sps = cls;
+
+ if (NULL != sps->handlers)
+ {
+ GNUNET_free (sps->handlers);
+ sps->handlers = NULL;
+ }
+ if (NULL != sps->cfg)
+ {
+ GNUNET_CONFIGURATION_destroy (sps->cfg);
+ sps->cfg = NULL;
+ }
+ GNUNET_free (sps->hello);
+ GNUNET_free (sps->connected_peers_map);
+ GNUNET_free (sps);
+}
+
+
+/**
+ * This function prepares an array with traits.
+ *
+ */
+static int
+start_peer_traits (void *cls,
+ const void **ret,
+ const char *trait,
+ unsigned int index)
+{
+ struct StartPeerState_v2 *sps = cls;
+ struct GNUNET_TRANSPORT_ApplicationHandle *ah = sps->ah;
+ struct GNUNET_PeerIdentity *id = &sps->id;
+ struct GNUNET_CONTAINER_MultiShortmap *connected_peers_map =
+ sps->connected_peers_map;
+ char *hello = sps->hello;
+ size_t hello_size = sps->hello_size;
+
+
+ struct GNUNET_TESTING_Trait traits[] = {
+ {
+ .index = 0,
+ .trait_name = "application_handle",
+ .ptr = (const void *) ah,
+ },
+ {
+ .index = 1,
+ .trait_name = "peer_id",
+ .ptr = (const void *) id,
+ },
+ {
+ .index = 2,
+ .trait_name = "connected_peers_map",
+ .ptr = (const void *) connected_peers_map,
+ },
+ {
+ .index = 3,
+ .trait_name = "hello",
+ .ptr = (const void *) hello,
+ },
+ {
+ .index = 4,
+ .trait_name = "hello_size",
+ .ptr = (const void *) hello_size,
+ },
+ {
+ .index = 5,
+ .trait_name = "state",
+ .ptr = (const void *) sps,
+ },
+ GNUNET_TESTING_trait_end ()
+ };
+
+ return GNUNET_TESTING_get_trait (traits,
+ ret,
+ trait,
+ index);
+}
+
+
+/**
+ * Function to get the trait with the struct StartPeerState_v2.
+ *
+ * @param[out] sps struct StartPeerState_v2.
+ * @return #GNUNET_OK if no error occurred, #GNUNET_SYSERR otherwise.
+ *
+ */
+int
+GNUNET_TRANSPORT_get_trait_state_v2 (const struct
+ GNUNET_TESTING_Command
+ *cmd,
+ struct StartPeerState_v2 **sps)
+{
+ return cmd->traits (cmd->cls,
+ (const void **) sps,
+ "state",
+ (unsigned int) 5);
+}
+
+
+/**
+ * Function to get the trait with the size of the hello.
+ *
+ * @param[out] hello_size size of hello.
+ * @return #GNUNET_OK if no error occurred, #GNUNET_SYSERR otherwise.
+ *
+ */
+int
+GNUNET_TRANSPORT_get_trait_hello_size_v2 (const struct
+ GNUNET_TESTING_Command
+ *cmd,
+ size_t **hello_size)
+{
+ return cmd->traits (cmd->cls,
+ (const void **) hello_size,
+ "hello_size",
+ (unsigned int) 4);
+}
+
+
+/**
+ * Function to get the trait with the hello.
+ *
+ * @param[out] hello The hello for the peer.
+ * @return #GNUNET_OK if no error occurred, #GNUNET_SYSERR otherwise.
+ *
+ */
+int
+GNUNET_TRANSPORT_get_trait_hello_v2 (const struct
+ GNUNET_TESTING_Command
+ *cmd,
+ char **hello)
+{
+ return cmd->traits (cmd->cls,
+ (const void **) hello,
+ "hello",
+ (unsigned int) 3);
+}
+
+
+/**
+ * Function to get the trait with the map of connected peers.
+ *
+ * @param[out] connected_peers_map The map with connected peers.
+ * @return #GNUNET_OK if no error occurred, #GNUNET_SYSERR otherwise.
+ *
+ */
+int
+GNUNET_TRANSPORT_get_trait_connected_peers_map_v2 (const struct
+ GNUNET_TESTING_Command
+ *cmd,
+ struct
+ GNUNET_CONTAINER_MultiShortmap
+ *
+ *
+ connected_peers_map)
+{
+ return cmd->traits (cmd->cls,
+ (const void **) connected_peers_map,
+ "connected_peers_map",
+ (unsigned int) 2);
+}
+
+
+/**
+ * Function to get the trait with the transport application handle.
+ *
+ * @param[out] ah The application handle.
+ * @return #GNUNET_OK if no error occurred, #GNUNET_SYSERR otherwise.
+ */
+int
+GNUNET_TRANSPORT_get_trait_application_handle_v2 (const struct
+ GNUNET_TESTING_Command *cmd,
+ struct
+ GNUNET_TRANSPORT_ApplicationHandle
+ **ah)
+{
+ return cmd->traits (cmd->cls,
+ (const void **) ah,
+ "application_handle",
+ (unsigned int) 0);
+}
+
+
+/**
+ * Function to get the trait with the peer id.
+ *
+ * @param[out] id The peer id.
+ * @return #GNUNET_OK if no error occurred, #GNUNET_SYSERR otherwise.
+ */
+int
+GNUNET_TRANSPORT_get_trait_peer_id_v2 (const struct
+ GNUNET_TESTING_Command *cmd,
+ struct GNUNET_PeerIdentity **id)
+{
+ return cmd->traits (cmd->cls,
+ (const void **) id,
+ "peer_id",
+ (unsigned int) 1);
+}
+
+
+/**
+ * Create command.
+ *
+ * @param label name for command.
+ * @param system_label Label of the cmd to setup a test environment.
+ * @param m The number of the local node of the actual network namespace.
+ * @param n The number of the actual namespace.
+ * @param local_m Number of local nodes in each namespace.
+ * @param handlers Handler for messages received by this peer.
+ * @param cfgname Configuration file name for this peer.
+ * @return command.
+ */
+struct GNUNET_TESTING_Command
+GNUNET_TRANSPORT_cmd_start_peer_v2 (const char *label,
+ const char *system_label,
+ uint32_t no,
+ char *node_ip,
+ struct GNUNET_MQ_MessageHandler *handlers,
+ const char *cfgname)
+{
+ struct StartPeerState_v2 *sps;
+ struct GNUNET_CONTAINER_MultiShortmap *connected_peers_map =
+ GNUNET_CONTAINER_multishortmap_create (1,GNUNET_NO);
+ unsigned int i;
+
+ sps = GNUNET_new (struct StartPeerState_v2);
+ sps->no = no;
+ sps->system_label = system_label;
+ sps->connected_peers_map = connected_peers_map;
+ sps->cfgname = cfgname;
+ sps->node_ip = node_ip;
+
+ if (NULL != handlers)
+ {
+ for (i = 0; NULL != handlers[i].cb; i++)
+ ;
+ sps->handlers = GNUNET_new_array (i + 1,
+ struct GNUNET_MQ_MessageHandler);
+ GNUNET_memcpy (sps->handlers,
+ handlers,
+ i * sizeof(struct GNUNET_MQ_MessageHandler));
+ }
+
+ struct GNUNET_TESTING_Command cmd = {
+ .cls = sps,
+ .label = label,
+ .run = &start_peer_run,
+ .finish = &start_peer_finish,
+ .cleanup = &start_peer_cleanup,
+ .traits = &start_peer_traits
+ };
+
+ return cmd;
+}