diff options
Diffstat (limited to 'src/charon/threads/sender.c')
-rw-r--r-- | src/charon/threads/sender.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/charon/threads/sender.c b/src/charon/threads/sender.c new file mode 100644 index 000000000..42d11beb9 --- /dev/null +++ b/src/charon/threads/sender.c @@ -0,0 +1,126 @@ +/** + * @file sender.c + * + * @brief Implementation of sender_t. + * + */ + +/* + * Copyright (C) 2005 Jan Hutter, Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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 General Public License + * for more details. + */ + +#include <stdlib.h> +#include <pthread.h> + +#include "sender.h" + +#include <daemon.h> +#include <network/socket.h> +#include <network/packet.h> +#include <queues/send_queue.h> +#include <utils/logger_manager.h> + + +typedef struct private_sender_t private_sender_t; + +/** + * Private data of a sender_t object. + */ +struct private_sender_t { + /** + * Public part of a sender_t object. + */ + sender_t public; + + /** + * Assigned thread. + */ + pthread_t assigned_thread; + + /** + * @brief The thread function, sends out packets. + * + * @param this calling object + */ + void (*send_packets) (private_sender_t * this); + + /** + * A logger for this sender_t object. + */ + logger_t *logger; + +}; + +/** + * Implementation of private_sender_t.send_packets. + */ +static void send_packets(private_sender_t * this) +{ + packet_t * current_packet; + status_t status; + + /* cancellation disabled by default */ + pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); + + this->logger->log(this->logger, CONTROL, "Sender thread running, thread_id %u", (int)pthread_self()); + + while (1) + { + current_packet = charon->send_queue->get(charon->send_queue); + this->logger->log(this->logger, CONTROL|LEVEL1, "Got a packet, sending it"); + status = charon->socket->send(charon->socket,current_packet); + if (status != SUCCESS) + { + this->logger->log(this->logger, ERROR, "Sending failed, socket returned %s", + mapping_find(status_m, status)); + } + current_packet->destroy(current_packet); + } +} + +/** + * Implementation of sender_t.destroy. + */ +static void destroy(private_sender_t *this) +{ + this->logger->log(this->logger, CONTROL | LEVEL1, "Going to terminate sender thread"); + pthread_cancel(this->assigned_thread); + + pthread_join(this->assigned_thread, NULL); + this->logger->log(this->logger, CONTROL | LEVEL1, "Sender thread terminated"); + + free(this); +} + +/* + * Described in header. + */ +sender_t * sender_create() +{ + private_sender_t *this = malloc_thing(private_sender_t); + + this->send_packets = send_packets; + this->public.destroy = (void(*)(sender_t*)) destroy; + + this->logger = logger_manager->get_logger(logger_manager, SENDER); + + if (pthread_create(&(this->assigned_thread), NULL, (void*(*)(void*))this->send_packets, this) != 0) + { + this->logger->log(this->logger, ERROR, "Sender thread could not be created"); + free(this); + charon->kill(charon, "Unable to create sender thread"); + } + + return &(this->public); +} |