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-rw-r--r--src/transport/transport-testing2.c1164
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diff --git a/src/transport/transport-testing2.c b/src/transport/transport-testing2.c
deleted file mode 100644
index 076fbf331..000000000
--- a/src/transport/transport-testing2.c
+++ /dev/null
@@ -1,1164 +0,0 @@
-/*
- This file is part of GNUnet.
- Copyright (C) 2019 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 transport/transport-testing2.c
- * @brief functions related to testing-tng
- * @author Christian Grothoff
- * @author Julius B√ľnger
- */
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_protocols.h"
-#include "gnunet_constants.h"
-#include "transport-testing2.h"
-#include "gnunet_ats_transport_service.h"
-#include "gnunet_hello_lib.h"
-#include "gnunet_signatures.h"
-#include "transport.h"
-#include <inttypes.h>
-
-#define LOG(kind, ...) GNUNET_log_from (kind, "transport-testing2", __VA_ARGS__)
-
-struct MyClient
-{
- struct MyClient *prev;
- struct MyClient *next;
- /**
- * @brief Handle to the client
- */
- struct GNUNET_SERVICE_Client *client;
-
- /**
- * @brief Handle to the client
- */
- struct GNUNET_MQ_Handle *c_mq;
-
- /**
- * The TCH
- */
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc;
-
-};
-
-/**
- * @brief Queue of a communicator and some context
- */
-struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue
-{
- /**
- * @brief Handle to the TransportCommunicator
- */
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h;
-
- /**
- * @brief Envelope to a message that requests the opening of the queue.
- *
- * If the client already requests queue(s), but the communicator is not yet
- * connected, we cannot send the request to open the queue. Save it until the
- * communicator becomes available and send it then.
- */
- struct GNUNET_MQ_Envelope *open_queue_env;
-
- /**
- * @brief Peer ID of the peer on the other side of the queue
- */
- struct GNUNET_PeerIdentity peer_id;
-
- /**
- * @brief Queue ID
- */
- uint32_t qid;
-
- /**
- * @brief Current message id
- */
- uint64_t mid;
-
- /**
- * An `enum GNUNET_NetworkType` in NBO.
- */
- uint32_t nt;
-
- /**
- * Maximum transmission unit. UINT32_MAX for unlimited.
- */
- uint32_t mtu;
-
- /**
- * Queue length. UINT64_MAX for unlimited.
- */
- uint64_t q_len;
-
- /**
- * Queue prio
- */
- uint32_t priority;
-
- /**
- * An `enum GNUNET_TRANSPORT_ConnectionStatus` in NBO.
- */
- uint32_t cs;
-
- /**
- * @brief Next element inside a DLL
- */
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *next;
-
- /**
- * @brief Previous element inside a DLL
- */
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *prev;
-};
-
-
-/**
- * @brief Handle/Context to a single transmission
- */
-struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorTransmission
-{
-};
-
-
-/**
- * @brief Check whether incoming msg indicating available communicator is
- * correct
- *
- * @param cls Closure
- * @param msg Message struct
- *
- * @return GNUNET_YES in case message is correct
- */
-static int
-check_communicator_available (
- void *cls,
- const struct GNUNET_TRANSPORT_CommunicatorAvailableMessage *msg)
-{
- uint16_t size;
-
- size = ntohs (msg->header.size) - sizeof(*msg);
- if (0 == size)
- return GNUNET_OK; /* receive-only communicator */
- GNUNET_MQ_check_zero_termination (msg);
- return GNUNET_OK;
-}
-
-
-/**
- * @brief Handle new communicator
- *
- * Store characteristics of communicator, call respective client callback.
- *
- * @param cls Closure - communicator handle
- * @param msg Message struct
- */
-static void
-handle_communicator_available (
- void *cls,
- const struct GNUNET_TRANSPORT_CommunicatorAvailableMessage *msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
- uint16_t size;
- tc_h->c_mq = client->c_mq;
-
- size = ntohs (msg->header.size) - sizeof(*msg);
- if (0 == size)
- {
- GNUNET_SERVICE_client_continue (client->client);
- return; /* receive-only communicator */
- }
- tc_h->c_characteristics = ntohl (msg->cc);
- tc_h->c_addr_prefix = GNUNET_strdup ((const char *) &msg[1]);
- if (NULL != tc_h->communicator_available_cb)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG, "calling communicator_available_cb()\n");
- tc_h->communicator_available_cb (tc_h->cb_cls,
- tc_h,
- tc_h->c_characteristics,
- tc_h->c_addr_prefix);
- }
- GNUNET_SERVICE_client_continue (client->client);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "finished communicator_available_cb()\n");
-
-}
-
-
-/**
- * Incoming message. Test message is well-formed.
- *
- * @param cls the client
- * @param msg the send message that was sent
- * @return #GNUNET_OK if message is well-formed
- */
-static int
-check_communicator_backchannel (void *cls,
- const struct
- GNUNET_TRANSPORT_CommunicatorBackchannel *msg)
-{
- // struct TransportClient *tc = cls;
-
- // if (CT_COMMUNICATOR != tc->type)
- // {
- // GNUNET_break (0);
- // return GNUNET_SYSERR;
- // }
- // GNUNET_MQ_check_boxed_message (msg);
- return GNUNET_OK;
-}
-
-
-/**
- * @brief Receive an incoming message.
- *
- * Pass the message to the client.
- *
- * @param cls Closure - communicator handle
- * @param msg Message
- */
-static void
-handle_communicator_backchannel (void *cls,
- const struct
- GNUNET_TRANSPORT_CommunicatorBackchannel *
- bc_msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *other_tc_h;
- struct GNUNET_MessageHeader *msg;
- msg = (struct GNUNET_MessageHeader *) &bc_msg[1];
- uint16_t isize = ntohs (msg->size);
- const char *target_communicator = ((const char *) msg) + isize;
- struct GNUNET_TRANSPORT_CommunicatorBackchannelIncoming *cbi;
- struct GNUNET_MQ_Envelope *env;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Received backchannel message\n");
- if (tc_h->bc_enabled != GNUNET_YES)
- {
- GNUNET_SERVICE_client_continue (client->client);
- return;
- }
- /* Find client providing this communicator */
- /* Finally, deliver backchannel message to communicator */
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Delivering backchannel message of type %u to %s\n",
- ntohs (msg->type),
- target_communicator);
- other_tc_h = tc_h->bc_cb (tc_h, msg, (struct
- GNUNET_PeerIdentity*) &bc_msg->pid);
- env = GNUNET_MQ_msg_extra (
- cbi,
- isize,
- GNUNET_MESSAGE_TYPE_TRANSPORT_COMMUNICATOR_BACKCHANNEL_INCOMING);
- cbi->pid = tc_h->peer_id;
- memcpy (&cbi[1], msg, isize);
-
-
- GNUNET_MQ_send (other_tc_h->c_mq, env);
- GNUNET_SERVICE_client_continue (client->client);
-}
-
-
-/**
- * Address of our peer added. Test message is well-formed.
- *
- * @param cls the client
- * @param aam the send message that was sent
- * @return #GNUNET_OK if message is well-formed
- */
-static int
-check_add_address (void *cls,
- const struct GNUNET_TRANSPORT_AddAddressMessage *msg)
-{
- // if (CT_COMMUNICATOR != tc->type)
- // {
- // GNUNET_break (0);
- // return GNUNET_SYSERR;
- // }
- GNUNET_MQ_check_zero_termination (msg);
- return GNUNET_OK;
-}
-
-
-/**
- * @brief The communicator informs about an address.
- *
- * Store address and call client callback.
- *
- * @param cls Closure - communicator handle
- * @param msg Message
- */
-static void
-handle_add_address (void *cls,
- const struct GNUNET_TRANSPORT_AddAddressMessage *msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
- uint16_t size;
- size = ntohs (msg->header.size) - sizeof(*msg);
- if (0 == size)
- return; /* receive-only communicator */
- LOG (GNUNET_ERROR_TYPE_DEBUG, "received add address cb %u\n", size);
- tc_h->c_address = GNUNET_strdup ((const char *) &msg[1]);
- if (NULL != tc_h->add_address_cb)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG, "calling add_address_cb()\n");
- tc_h->add_address_cb (tc_h->cb_cls,
- tc_h,
- tc_h->c_address,
- GNUNET_TIME_relative_ntoh (msg->expiration),
- msg->aid,
- ntohl (msg->nt));
- }
- GNUNET_SERVICE_client_continue (client->client);
-}
-
-
-/**
- * Incoming message. Test message is well-formed.
- *
- * @param cls the client
- * @param msg the send message that was sent
- * @return #GNUNET_OK if message is well-formed
- */
-static int
-check_incoming_msg (void *cls,
- const struct GNUNET_TRANSPORT_IncomingMessage *msg)
-{
- // struct TransportClient *tc = cls;
-
- // if (CT_COMMUNICATOR != tc->type)
- // {
- // GNUNET_break (0);
- // return GNUNET_SYSERR;
- // }
- GNUNET_MQ_check_boxed_message (msg);
- return GNUNET_OK;
-}
-
-
-/**
- * @brief Receive an incoming message.
- *
- * Pass the message to the client.
- *
- * @param cls Closure - communicator handle
- * @param msg Message
- */
-static void
-handle_incoming_msg (void *cls,
- const struct GNUNET_TRANSPORT_IncomingMessage *inc_msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
- struct GNUNET_MessageHeader *msg;
- msg = (struct GNUNET_MessageHeader *) &inc_msg[1];
- size_t payload_len = ntohs (msg->size) - sizeof (struct
- GNUNET_MessageHeader);
- if (NULL != tc_h->incoming_msg_cb)
- {
- tc_h->incoming_msg_cb (tc_h->cb_cls,
- tc_h,
- (char*) &msg[1],
- payload_len);
- }
- else
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Incoming message from communicator but no handler!\n");
- }
- if (GNUNET_YES == ntohl (inc_msg->fc_on))
- {
- /* send ACK when done to communicator for flow control! */
- struct GNUNET_MQ_Envelope *env;
- struct GNUNET_TRANSPORT_IncomingMessageAck *ack;
-
- env = GNUNET_MQ_msg (ack, GNUNET_MESSAGE_TYPE_TRANSPORT_INCOMING_MSG_ACK);
- GNUNET_assert (NULL != env);
- ack->reserved = htonl (0);
- ack->fc_id = inc_msg->fc_id;
- ack->sender = inc_msg->sender;
- GNUNET_MQ_send (tc_h->c_mq, env);
- }
-
- GNUNET_SERVICE_client_continue (client->client);
-}
-
-
-/**
- * @brief Communicator informs that it tries to establish requested queue
- *
- * @param cls Closure - communicator handle
- * @param msg Message
- */
-static void
-handle_queue_create_ok (void *cls,
- const struct GNUNET_TRANSPORT_CreateQueueResponse *msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
-
- if (NULL != tc_h->queue_create_reply_cb)
- {
- tc_h->queue_create_reply_cb (tc_h->cb_cls, tc_h, GNUNET_YES);
- }
- GNUNET_SERVICE_client_continue (client->client);
-}
-
-
-/**
- * @brief Communicator informs that it wont try establishing requested queue.
- *
- * It will not do so probably because the address is bougus (see comment to
- * #GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_CREATE_FAIL)
- *
- * @param cls Closure - communicator handle
- * @param msg Message
- */
-static void
-handle_queue_create_fail (
- void *cls,
- const struct GNUNET_TRANSPORT_CreateQueueResponse *msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
-
- if (NULL != tc_h->queue_create_reply_cb)
- {
- tc_h->queue_create_reply_cb (tc_h->cb_cls, tc_h, GNUNET_NO);
- }
- GNUNET_SERVICE_client_continue (client->client);
-}
-
-
-/**
- * New queue became available. Check message.
- *
- * @param cls the client
- * @param aqm the send message that was sent
- */
-static int
-check_add_queue_message (void *cls,
- const struct GNUNET_TRANSPORT_AddQueueMessage *aqm)
-{
- GNUNET_MQ_check_zero_termination (aqm);
- return GNUNET_OK;
-}
-
-
-/**
- * @brief Handle new queue
- *
- * Store context and call client callback.
- *
- * @param cls Closure - communicator handle
- * @param msg Message struct
- */
-static void
-handle_add_queue_message (void *cls,
- const struct GNUNET_TRANSPORT_AddQueueMessage *msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Got queue with ID %u\n", msg->qid);
- for (tc_queue = tc_h->queue_head; NULL != tc_queue; tc_queue = tc_queue->next)
- {
- if (tc_queue->qid == msg->qid)
- break;
- }
- if (NULL == tc_queue)
- {
- tc_queue =
- GNUNET_new (struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue);
- tc_queue->tc_h = tc_h;
- tc_queue->qid = msg->qid;
- tc_queue->peer_id = msg->receiver;
- GNUNET_CONTAINER_DLL_insert (tc_h->queue_head, tc_h->queue_tail, tc_queue);
- }
- GNUNET_assert (tc_queue->qid == msg->qid);
- GNUNET_assert (0 == GNUNET_memcmp (&tc_queue->peer_id, &msg->receiver));
- tc_queue->nt = msg->nt;
- tc_queue->mtu = ntohl (msg->mtu);
- tc_queue->cs = msg->cs;
- tc_queue->priority = ntohl (msg->priority);
- tc_queue->q_len = GNUNET_ntohll (msg->q_len);
- if (NULL != tc_h->add_queue_cb)
- {
- tc_h->add_queue_cb (tc_h->cb_cls, tc_h, tc_queue, tc_queue->mtu);
- }
- GNUNET_SERVICE_client_continue (client->client);
-}
-
-
-/**
- * @brief Handle new queue
- *
- * Store context and call client callback.
- *
- * @param cls Closure - communicator handle
- * @param msg Message struct
- */
-static void
-handle_update_queue_message (void *cls,
- const struct
- GNUNET_TRANSPORT_UpdateQueueMessage *msg)
-{
- struct MyClient *client = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h =
- client->tc;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Received queue update message for %u with q_len %" PRIu64 "\n",
- msg->qid, GNUNET_ntohll (msg->q_len));
- tc_queue = tc_h->queue_head;
- if (NULL != tc_queue)
- {
- while (tc_queue->qid != msg->qid)
- {
- tc_queue = tc_queue->next;
- }
- }
- GNUNET_assert (tc_queue->qid == msg->qid);
- GNUNET_assert (0 == GNUNET_memcmp (&tc_queue->peer_id, &msg->receiver));
- tc_queue->nt = msg->nt;
- tc_queue->mtu = ntohl (msg->mtu);
- tc_queue->cs = msg->cs;
- tc_queue->priority = ntohl (msg->priority);
- // Uncomment this for alternativ 1 of backchannel functionality
- tc_queue->q_len += GNUNET_ntohll (msg->q_len);
- // Until here for alternativ 1
- // Uncomment this for alternativ 2 of backchannel functionality
- // tc_queue->q_len = GNUNET_ntohll (msg->q_len);
- // Until here for alternativ 2
- GNUNET_SERVICE_client_continue (client->client);
-}
-
-
-/**
- * @brief Shut down the service
- *
- * @param cls Closure - Handle to the service
- */
-static void
-shutdown_service (void *cls)
-{
- struct GNUNET_SERVICE_Handle *h = cls;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Shutting down service!\n");
-
- GNUNET_SERVICE_stop (h);
-}
-
-
-/**
- * @brief Callback called when new Client (Communicator) connects
- *
- * @param cls Closure - TransporCommmunicator Handle
- * @param client Client
- * @param mq Messagequeue
- *
- * @return TransportCommunicator Handle
- */
-static void *
-connect_cb (void *cls,
- struct GNUNET_SERVICE_Client *client,
- struct GNUNET_MQ_Handle *mq)
-{
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h = cls;
- struct MyClient *new_c;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Client %p connected to %p.\n",
- client, tc_h);
- new_c = GNUNET_new (struct MyClient);
- new_c->client = client;
- new_c->c_mq = mq;
- new_c->tc = tc_h;
- GNUNET_CONTAINER_DLL_insert (tc_h->client_head,
- tc_h->client_tail,
- new_c);
-
- if (NULL == tc_h->queue_head)
- return new_c;
- /* Iterate over queues. They are yet to be opened. Request opening. */
- for (struct
- GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue_iter =
- tc_h->queue_head;
- NULL != tc_queue_iter;
- tc_queue_iter = tc_queue_iter->next)
- {
- if (NULL == tc_queue_iter->open_queue_env)
- continue;
- /* Send the previously created mq envelope to request the creation of the
- * queue. */
- GNUNET_MQ_send (tc_h->c_mq,
- tc_queue_iter->open_queue_env);
- tc_queue_iter->open_queue_env = NULL;
- }
- return new_c;
-}
-
-
-/**
- * @brief Callback called when Client disconnects
- *
- * @param cls Closure - TransportCommunicator Handle
- * @param client Client
- * @param internal_cls TransporCommmunicator Handle
- */
-static void
-disconnect_cb (void *cls,
- struct GNUNET_SERVICE_Client *client,
- void *internal_cls)
-{
- struct MyClient *cl = cls;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h = cls;
-
- for (cl = tc_h->client_head; NULL != cl; cl = cl->next)
- {
- if (cl->client != client)
- continue;
- GNUNET_CONTAINER_DLL_remove (tc_h->client_head,
- tc_h->client_tail,
- cl);
- if (cl->c_mq == tc_h->c_mq)
- tc_h->c_mq = NULL;
- GNUNET_free (cl);
- break;
- }
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Client disconnected.\n");
-}
-
-
-/**
- * Message was transmitted. Process the request.
- *
- * @param cls the client
- * @param sma the send message that was sent
- */
-static void
-handle_send_message_ack (void *cls,
- const struct GNUNET_TRANSPORT_SendMessageToAck *sma)
-{
- struct MyClient *client = cls;
- GNUNET_SERVICE_client_continue (client->client);
- // NOP
-}
-
-
-/**
- * @brief Start the communicator part of the transport service
- *
- * @param communicator_available Callback to be called when a new communicator
- * becomes available
- * @param cfg Configuration
- */
-static void
-transport_communicator_start (
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h)
-{
- struct GNUNET_MQ_MessageHandler mh[] = {
- GNUNET_MQ_hd_var_size (communicator_available,
- GNUNET_MESSAGE_TYPE_TRANSPORT_NEW_COMMUNICATOR,
- struct GNUNET_TRANSPORT_CommunicatorAvailableMessage,
- tc_h),
- GNUNET_MQ_hd_var_size (communicator_backchannel,
- GNUNET_MESSAGE_TYPE_TRANSPORT_COMMUNICATOR_BACKCHANNEL,
- struct GNUNET_TRANSPORT_CommunicatorBackchannel,
- tc_h),
- GNUNET_MQ_hd_var_size (add_address,
- GNUNET_MESSAGE_TYPE_TRANSPORT_ADD_ADDRESS,
- struct GNUNET_TRANSPORT_AddAddressMessage,
- tc_h),
- // GNUNET_MQ_hd_fixed_size (del_address,
- // GNUNET_MESSAGE_TYPE_TRANSPORT_DEL_ADDRESS,
- // struct GNUNET_TRANSPORT_DelAddressMessage,
- // NULL),
- GNUNET_MQ_hd_var_size (incoming_msg,
- GNUNET_MESSAGE_TYPE_TRANSPORT_INCOMING_MSG,
- struct GNUNET_TRANSPORT_IncomingMessage,
- tc_h),
- GNUNET_MQ_hd_fixed_size (queue_create_ok,
- GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_CREATE_OK,
- struct GNUNET_TRANSPORT_CreateQueueResponse,
- tc_h),
- GNUNET_MQ_hd_fixed_size (queue_create_fail,
- GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_CREATE_FAIL,
- struct GNUNET_TRANSPORT_CreateQueueResponse,
- tc_h),
- GNUNET_MQ_hd_var_size (add_queue_message,
- GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_SETUP,
- struct GNUNET_TRANSPORT_AddQueueMessage,
- tc_h),
- GNUNET_MQ_hd_fixed_size (update_queue_message,
- GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_UPDATE,
- struct GNUNET_TRANSPORT_UpdateQueueMessage,
- tc_h),
- // GNUNET_MQ_hd_fixed_size (del_queue_message,
- // GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_TEARDOWN,
- // struct GNUNET_TRANSPORT_DelQueueMessage,
- // NULL),
- GNUNET_MQ_hd_fixed_size (send_message_ack,
- GNUNET_MESSAGE_TYPE_TRANSPORT_SEND_MSG_ACK,
- struct GNUNET_TRANSPORT_SendMessageToAck,
- tc_h),
- GNUNET_MQ_handler_end ()
- };
-
-
- tc_h->sh = GNUNET_SERVICE_start ("transport",
- tc_h->cfg,
- &connect_cb,
- &disconnect_cb,
- tc_h,
- mh);
- GNUNET_assert (NULL != tc_h->sh);
-}
-
-
-/**
- * @brief Task run at shutdown to kill communicator and clean up
- *
- * @param cls Closure - Process of communicator
- */
-static void
-shutdown_process (struct GNUNET_OS_Process *proc)
-{
- if (0 != GNUNET_OS_process_kill (proc, SIGTERM))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "Error shutting down process with SIGERM, trying SIGKILL\n");
- if (0 != GNUNET_OS_process_kill (proc, SIGKILL))
- {
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "Error shutting down process with SIGERM and SIGKILL\n");
- }
- }
- GNUNET_OS_process_destroy (proc);
-}
-
-static void
-shutdown_peerstore (void *cls)
-{
- struct GNUNET_OS_Process *proc = cls;
- shutdown_process (proc);
-}
-
-static void
-shutdown_communicator (void *cls)
-{
- struct GNUNET_OS_Process *proc = cls;
- shutdown_process (proc);
-}
-
-
-/**
- * @brief Start the communicator
- *
- * @param cfgname Name of the communicator
- */
-static void
-communicator_start (
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
- const char *binary_name)
-{
- char *binary;
- char *loprefix;
- char *section_name;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "communicator_start\n");
-
- section_name = strchr (binary_name, '-');
- section_name++;
-
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (tc_h->cfg,
- section_name,
- "PREFIX",
- &loprefix))
- loprefix = GNUNET_strdup ("");
-
-
- binary = GNUNET_OS_get_libexec_binary_path (binary_name);
- tc_h->c_proc = GNUNET_OS_start_process_s (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
- NULL,
- loprefix,
- binary,
- binary_name,
- "-c",
- tc_h->cfg_filename,
- NULL);
- if (NULL == tc_h->c_proc)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start communicator!");
- return;
- }
- LOG (GNUNET_ERROR_TYPE_INFO, "started communicator\n");
- GNUNET_free (binary);
-}
-
-
-/**
- * @brief Task run at shutdown to kill communicator and clean up
- *
- * @param cls Closure - Process of communicator
- */
-static void
-shutdown_nat (void *cls)
-{
- struct GNUNET_OS_Process *proc = cls;
- shutdown_process (proc);
-}
-
-
-/**
- * @brief Task run at shutdown to kill the resolver process
- *
- * @param cls Closure - Process of communicator
- */
-static void
-shutdown_resolver (void *cls)
-{
- struct GNUNET_OS_Process *proc = cls;
- shutdown_process (proc);
-}
-
-
-static void
-resolver_start (struct
- GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h)
-{
- char *binary;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "resolver_start\n");
- binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
- tc_h->resolver_proc = GNUNET_OS_start_process (
- GNUNET_OS_INHERIT_STD_OUT_AND_ERR
- | GNUNET_OS_USE_PIPE_CONTROL,
- NULL,
- NULL,
- NULL,
- binary,
- "gnunet-service-resolver",
- "-c",
- tc_h->cfg_filename,
- NULL);
- if (NULL == tc_h->resolver_proc)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start resolver service!");
- return;
- }
- LOG (GNUNET_ERROR_TYPE_INFO, "started resolver service\n");
- GNUNET_free (binary);
-
-}
-
-
-/**
- * @brief Start Peerstore
- *
- */
-static void
-peerstore_start (
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h)
-{
- char *binary;
-
- binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-peerstore");
- tc_h->ps_proc = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
- NULL,
- NULL,
- NULL,
- binary,
- "gnunet-service-peerstore",
- "-c",
- tc_h->cfg_filename,
- NULL);
- if (NULL == tc_h->ps_proc)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start Peerstore!");
- return;
- }
- LOG (GNUNET_ERROR_TYPE_INFO, "started Peerstore\n");
- GNUNET_free (binary);
-}
-
-/**
- * @brief Start NAT
- *
- */
-static void
-nat_start (
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h)
-{
- char *binary;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "nat_start\n");
- binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-nat");
- tc_h->nat_proc = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_OUT_AND_ERR
- | GNUNET_OS_USE_PIPE_CONTROL,
- NULL,
- NULL,
- NULL,
- binary,
- "gnunet-service-nat",
- "-c",
- tc_h->cfg_filename,
- NULL);
- if (NULL == tc_h->nat_proc)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start NAT!");
- return;
- }
- LOG (GNUNET_ERROR_TYPE_INFO, "started NAT\n");
- GNUNET_free (binary);
-}
-
-
-/**
- * @brief Start communicator part of transport service and communicator
- *
- * @param service_name Name of the service
- * @param cfg Configuration handle
- * @param communicator_available_cb Callback that is called when a new
- * @param add_address_cb Callback that is called when a new
- * communicator becomes available
- * @param cb_cls Closure to @a communicator_available_cb and @a
- *
- * @return Handle to the communicator duo
- */
-struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
-GNUNET_TRANSPORT_TESTING_transport_communicator_service_start (
- const char *service_name,
- const char *binary_name,
- const char *cfg_filename,
- const struct GNUNET_PeerIdentity *peer_id,
- GNUNET_TRANSPORT_TESTING_CommunicatorAvailableCallback
- communicator_available_cb,
- GNUNET_TRANSPORT_TESTING_AddAddressCallback add_address_cb,
- GNUNET_TRANSPORT_TESTING_QueueCreateReplyCallback queue_create_reply_cb,
- GNUNET_TRANSPORT_TESTING_AddQueueCallback add_queue_cb,
- GNUNET_TRANSPORT_TESTING_IncomingMessageCallback incoming_message_cb,
- GNUNET_TRANSPORT_TESTING_BackchannelCallback bc_cb,
- void *cb_cls)
-{
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Starting new transport/communicator combo with config %s\n",
- cfg_filename);
- tc_h =
- GNUNET_new (struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle);
- tc_h->cfg_filename = GNUNET_strdup (cfg_filename);
- tc_h->cfg = GNUNET_CONFIGURATION_create ();
- if ((GNUNET_SYSERR == GNUNET_CONFIGURATION_load (tc_h->cfg, cfg_filename)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _ ("Malformed configuration file `%s', exit ...\n"),
- cfg_filename);
- GNUNET_free (tc_h->cfg_filename);
- GNUNET_CONFIGURATION_destroy (tc_h->cfg);
- GNUNET_free (tc_h);
- return NULL;
- }
- tc_h->bc_enabled = GNUNET_CONFIGURATION_get_value_yesno (tc_h->cfg,
- "communicator-test",
- "BACKCHANNEL_ENABLED");
- tc_h->communicator_available_cb = communicator_available_cb;
- tc_h->add_address_cb = add_address_cb;
- tc_h->queue_create_reply_cb = queue_create_reply_cb;
- tc_h->add_queue_cb = add_queue_cb;
- tc_h->incoming_msg_cb = incoming_message_cb;
- tc_h->bc_cb = bc_cb;
- tc_h->peer_id = *peer_id;
- tc_h->cb_cls = cb_cls;
-
- /* Start communicator part of service */
- transport_communicator_start (tc_h);
- /* Start NAT */
- nat_start (tc_h);
- /* Start resolver service */
- resolver_start (tc_h);
- /* Start peerstore service */
- peerstore_start (tc_h);
- /* Schedule start communicator */
- communicator_start (tc_h,
- binary_name);
- return tc_h;
-}
-
-
-void
-GNUNET_TRANSPORT_TESTING_transport_communicator_service_stop (
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h)
-{
- shutdown_communicator (tc_h->c_proc);
- shutdown_service (tc_h->sh);
- shutdown_nat (tc_h->nat_proc);
- shutdown_resolver (tc_h->resolver_proc);
- shutdown_peerstore (tc_h->ps_proc);
- GNUNET_CONFIGURATION_destroy (tc_h->cfg);
- GNUNET_free (tc_h);
-}
-
-
-/**
- * @brief Instruct communicator to open a queue
- *
- * @param tc_h Handle to communicator which shall open queue
- * @param peer_id Towards which peer
- * @param address For which address
- */
-void
-GNUNET_TRANSPORT_TESTING_transport_communicator_open_queue (
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
- const struct GNUNET_PeerIdentity *peer_id,
- const char *address)
-{
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue;
- static uint32_t idgen;
- char *prefix;
- struct GNUNET_TRANSPORT_CreateQueue *msg;
- struct GNUNET_MQ_Envelope *env;
- size_t alen;
-
- tc_queue =
- GNUNET_new (struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue);
- tc_queue->tc_h = tc_h;
- prefix = GNUNET_HELLO_address_to_prefix (address);
- if (NULL == prefix)
- {
- GNUNET_break (0); /* We got an invalid address!? */
- GNUNET_free (tc_queue);
- return;
- }
- GNUNET_free (prefix);
- alen = strlen (address) + 1;
- env =
- GNUNET_MQ_msg_extra (msg, alen, GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_CREATE);
- msg->request_id = htonl (idgen++);
- tc_queue->qid = msg->request_id;
- msg->receiver = *peer_id;
- tc_queue->peer_id = *peer_id;
- memcpy (&msg[1], address, alen);
- if (NULL != tc_h->c_mq)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Sending queue create immediately\n");
- GNUNET_MQ_send (tc_h->c_mq, env);
- }
- else
- {
- tc_queue->open_queue_env = env;
- }
- GNUNET_CONTAINER_DLL_insert (tc_h->queue_head, tc_h->queue_tail, tc_queue);
-}
-
-
-/**
- * @brief Instruct communicator to send data
- *
- * @param tc_queue The queue to use for sending
- * @param cont function to call when done sending
- * @param cont_cls closure for @a cont
- * @param payload Data to send
- * @param payload_size Size of the @a payload
- */
-void
-GNUNET_TRANSPORT_TESTING_transport_communicator_send
- (struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
- GNUNET_SCHEDULER_TaskCallback cont,
- void *cont_cls,
- const void *payload,
- size_t payload_size)
-{
- struct GNUNET_MessageHeader *mh;
- struct GNUNET_TRANSPORT_SendMessageTo *msg;
- struct GNUNET_MQ_Envelope *env;
- size_t inbox_size;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue;
- struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue_tmp;
-
- tc_queue = NULL;
- for (tc_queue_tmp = tc_h->queue_head;
- NULL != tc_queue_tmp;
- tc_queue_tmp = tc_queue_tmp->next)
- {
- if (tc_queue_tmp->q_len <= 0)
- continue;
- if (NULL == tc_queue)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Selecting queue with prio %u, len %" PRIu64 " and MTU %u\n",
- tc_queue_tmp->priority,
- tc_queue_tmp->q_len,
- tc_queue_tmp->mtu);
- tc_queue = tc_queue_tmp;
- continue;
- }
- if (tc_queue->priority < tc_queue_tmp->priority)
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Selecting queue with prio %u, len %" PRIu64 " and MTU %u\n",
- tc_queue_tmp->priority,
- tc_queue_tmp->q_len,
- tc_queue_tmp->mtu);
- tc_queue = tc_queue_tmp;
- }
- }
- GNUNET_assert (NULL != tc_queue);
- // Uncomment this for alternativ 1 of backchannel functionality
- if (tc_queue->q_len != GNUNET_TRANSPORT_QUEUE_LENGTH_UNLIMITED)
- tc_queue->q_len--;
- // Until here for alternativ 1
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending message\n");
- inbox_size = sizeof (struct GNUNET_MessageHeader) + payload_size;
- env = GNUNET_MQ_msg_extra (msg,
- inbox_size,
- GNUNET_MESSAGE_TYPE_TRANSPORT_SEND_MSG);
- GNUNET_assert (NULL != env);
- msg->qid = htonl (tc_queue->qid);
- msg->mid = tc_queue->mid++;
- msg->receiver = tc_queue->peer_id;
- mh = (struct GNUNET_MessageHeader *) &msg[1];
- mh->size = htons (inbox_size);
- mh->type = GNUNET_MESSAGE_TYPE_DUMMY;
- memcpy (&mh[1],
- payload,
- payload_size);
- if (NULL != cont)
- GNUNET_MQ_notify_sent (env,
- cont,
- cont_cls);
- GNUNET_MQ_send (tc_queue->tc_h->c_mq,
- env);
-}