129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/**
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* @file sender.c
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*
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* @brief Implementation of sender_t.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <stdlib.h>
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#include <pthread.h>
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#include "sender.h"
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#include <daemon.h>
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#include <network/socket.h>
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#include <network/packet.h>
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#include <queues/send_queue.h>
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#include <utils/allocator.h>
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#include <utils/logger_manager.h>
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typedef struct private_sender_t private_sender_t;
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/**
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* Private data of a sender object
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*/
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struct private_sender_t {
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/**
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* Public part of a sender object
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*/
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sender_t public;
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/**
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* Assigned thread to the sender_t object
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*/
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pthread_t assigned_thread;
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/**
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* @brief The threads function, sends out packets.
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*
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* @param this assigned sender object
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*/
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void (*send_packets) (private_sender_t * this);
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/**
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* logger for this sender
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*/
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logger_t *logger;
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};
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/**
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* implements private_sender_t.send_packets
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*/
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static void send_packets(private_sender_t * this)
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{
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packet_t * current_packet;
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status_t status;
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/* cancellation disabled by default */
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
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this->logger->log(this->logger, CONTROL, "sender thread running, thread_id %u", (int)pthread_self());
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while (1)
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{
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current_packet = charon->send_queue->get(charon->send_queue);
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this->logger->log(this->logger, CONTROL|MORE, "got a packet, sending it");
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status = charon->socket->send(charon->socket,current_packet);
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if (status != SUCCESS)
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{
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this->logger->log(this->logger, ERROR, "sending failed, socket returned %s",
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mapping_find(status_m, status));
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}
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current_packet->destroy(current_packet);
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}
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}
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/**
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* implements sender_t.destroy
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*/
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static void destroy(private_sender_t *this)
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{
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this->logger->log(this->logger, CONTROL | MORE, "Going to terminate sender thread");
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pthread_cancel(this->assigned_thread);
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pthread_join(this->assigned_thread, NULL);
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this->logger->log(this->logger, CONTROL | MORE, "Sender thread terminated");
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charon->logger_manager->destroy_logger(charon->logger_manager, this->logger);
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allocator_free(this);
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}
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/*
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* see header
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*/
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sender_t * sender_create()
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{
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private_sender_t *this = allocator_alloc_thing(private_sender_t);
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this->send_packets = send_packets;
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this->public.destroy = (void(*)(sender_t*)) destroy;
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this->logger = charon->logger_manager->create_logger(charon->logger_manager, SENDER, NULL);
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if (pthread_create(&(this->assigned_thread), NULL, (void*(*)(void*))this->send_packets, this) != 0)
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{
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this->logger->log(this->logger, ERROR, "Sender thread could not be created");
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allocator_free(this);
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return NULL;
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}
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return &(this->public);
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}
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