- receiver_t written, but not tested
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119
Source/charon/receiver.c
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119
Source/charon/receiver.c
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/**
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* @file receiver.c
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*
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* @brief Implements the Receiver Thread encapsulated in the receiver_t-object
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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 <freeswan.h>
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#include <pluto/constants.h>
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#include <pluto/defs.h>
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#include "receiver.h"
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#include "socket.h"
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#include "packet.h"
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#include "job.h"
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#include "job_queue.h"
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#include "globals.h"
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/**
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* Private data of a receiver object
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*/
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typedef struct private_receiver_s private_receiver_t;
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struct private_receiver_s {
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/**
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* Public part of a receiver object
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*/
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receiver_t public;
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/**
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* Assigned thread to the receiver_t-object
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*/
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pthread_t assigned_thread;
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};
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/**
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* Thread function started at creation of the receiver object
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*
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* @param this assigned receiver object
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* @return SUCCESS if thread_function ended successfully, FAILED otherwise
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*/
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static void receiver_thread_function(private_receiver_t * this)
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{
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/* cancellation disabled by default */
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
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packet_t * current_packet;
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job_t * current_job;
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while (1)
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{
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while (global_socket->receive(global_socket,¤t_packet) == SUCCESS)
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{
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current_job = job_create(INCOMING_PACKET,current_packet);
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if (current_job == NULL)
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{
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/* job could no be created */
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/* TODO LOG it */
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}
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if ( global_job_queue->add(global_job_queue,current_job) != SUCCESS)
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{
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/* Packet could not be sent */
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/* TODO LOG it */
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}
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}
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/* NOT GOOD !!!!!! */
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/* TODO LOG it */
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}
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}
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/**
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* Implementation of receiver_t's destroy function
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*/
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static status_t destroy(private_receiver_t *this)
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{
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pthread_cancel(this->assigned_thread);
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pthread_join(this->assigned_thread, NULL);
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pfree(this);
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return SUCCESS;
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}
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receiver_t * receiver_create()
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{
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private_receiver_t *this = alloc_thing(private_receiver_t,"private_receiver_t");
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this->public.destroy = (status_t(*)(receiver_t*)) destroy;
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if (pthread_create(&(this->assigned_thread), NULL, (void*(*)(void*))receiver_thread_function, this) != 0)
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{
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/* thread could not be created */
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pfree(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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47
Source/charon/receiver.h
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47
Source/charon/receiver.h
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/**
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* @file receiver.h
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*
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* @brief Implements the Receiver Thread encapsulated in the receiver_t-object
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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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#ifndef RECEIVER_H_
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#define RECEIVER_H_
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#include "types.h"
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/**
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* @brief A Receiver object which receives packets on the socket and adds them to the job-queue
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*/
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typedef struct receiver_s receiver_t;
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struct receiver_s {
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/**
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* @brief Destroys a receiver object
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*
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* @param receiver receiver object
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* @return SUCCESSFUL if succeeded, FAILED otherwise
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*/
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status_t (*destroy) (receiver_t *receiver);
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};
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receiver_t * receiver_create();
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#endif /*RECEIVER_H_*/
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