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-rw-r--r--Source/charon/threads/receiver.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/Source/charon/threads/receiver.c b/Source/charon/threads/receiver.c
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+/**
+ * @file receiver.c
+ *
+ * @brief Implements the Receiver Thread encapsulated in the receiver_t object
+ *
+ */
+
+/*
+ * 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 "receiver.h"
+
+#include <globals.h>
+#include <network/socket.h>
+#include <network/packet.h>
+#include <queues/job_queue.h>
+#include <queues/jobs/job.h>
+#include <utils/allocator.h>
+#include <utils/logger_manager.h>
+
+/**
+ * Private data of a receiver object
+ */
+typedef struct private_receiver_s private_receiver_t;
+
+struct private_receiver_s {
+ /**
+ * Public part of a receiver object
+ */
+ receiver_t public;
+
+ /**
+ * Assigned thread to the receiver_t object
+ */
+ pthread_t assigned_thread;
+ /**
+ * logger for the receiver
+ */
+ logger_t *logger;
+
+
+};
+
+/**
+ * Thread function started at creation of the receiver object
+ *
+ * @param this assigned receiver object
+ * @return SUCCESS if thread_function ended successfully, FAILED otherwise
+ */
+static void receiver_thread_function(private_receiver_t * this)
+{
+ packet_t * current_packet;
+ job_t *current_job;
+ /* cancellation disabled by default */
+ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+ while (1)
+ {
+ while (global_socket->receive(global_socket,&current_packet) == SUCCESS)
+ {
+ this->logger->log(this->logger, CONTROL, "creating job from packet");
+ current_job = (job_t *) incoming_packet_job_create(current_packet);
+ if (current_job == NULL)
+ {
+ this->logger->log(this->logger, ERROR, "job creation failed");
+ }
+
+ if (global_job_queue->add(global_job_queue,current_job) != SUCCESS)
+ {
+ this->logger->log(this->logger, ERROR, "job queueing failed");
+ }
+
+ }
+ /* bad bad, rebuild the socket ? */
+ this->logger->log(this->logger, ERROR, "receiving from socket failed!");
+ }
+}
+
+/**
+ * Implementation of receiver_t's destroy function
+ */
+static status_t destroy(private_receiver_t *this)
+{
+ this->logger->log(this->logger, CONTROL | MORE, "Going to terminate receiver thread");
+ pthread_cancel(this->assigned_thread);
+
+ pthread_join(this->assigned_thread, NULL);
+ this->logger->log(this->logger, CONTROL | MORE, "Receiver thread terminated");
+
+ global_logger_manager->destroy_logger(global_logger_manager, this->logger);
+
+ allocator_free(this);
+ return SUCCESS;
+}
+
+
+receiver_t * receiver_create()
+{
+ private_receiver_t *this = allocator_alloc_thing(private_receiver_t);
+
+ this->public.destroy = (status_t(*)(receiver_t*)) destroy;
+
+ this->logger = global_logger_manager->create_logger(global_logger_manager, RECEIVER, NULL);
+ if (this->logger == NULL)
+ {
+ allocator_free(this);
+ }
+
+ if (pthread_create(&(this->assigned_thread), NULL, (void*(*)(void*))receiver_thread_function, this) != 0)
+ {
+ /* thread could not be created */
+ global_logger_manager->destroy_logger(global_logger_manager, this->logger);
+ allocator_free(this);
+ return NULL;
+ }
+
+ return &(this->public);
+}