- receiver_t written, but not tested
authorJan Hutter <jhutter@hsr.ch>
Mon, 7 Nov 2005 13:20:11 +0000 (13:20 -0000)
committerJan Hutter <jhutter@hsr.ch>
Mon, 7 Nov 2005 13:20:11 +0000 (13:20 -0000)
Source/charon/receiver.c [new file with mode: 0644]
Source/charon/receiver.h [new file with mode: 0644]

diff --git a/Source/charon/receiver.c b/Source/charon/receiver.c
new file mode 100644 (file)
index 0000000..a4df3e7
--- /dev/null
@@ -0,0 +1,119 @@
+/**
+ * @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 <freeswan.h>
+#include <pluto/constants.h>
+#include <pluto/defs.h>
+
+#include "receiver.h"
+#include "socket.h"
+#include "packet.h"
+#include "job.h"
+#include "job_queue.h"
+#include "globals.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;
+
+};
+
+/**
+ * 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)
+{
+       /* cancellation disabled by default */
+       pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+       packet_t * current_packet;
+       job_t * current_job;
+       
+       while (1)
+       {
+               while (global_socket->receive(global_socket,&current_packet) == SUCCESS)
+               {
+                       current_job = job_create(INCOMING_PACKET,current_packet);
+                       if (current_job == NULL)
+                       {
+                               /* job could no be created */
+                               /* TODO LOG it */
+                       }
+
+                       if (    global_job_queue->add(global_job_queue,current_job) != SUCCESS)
+                       {
+                               /* Packet could not be sent */
+                               /* TODO LOG it */       
+                       }
+
+               }
+               /* NOT GOOD !!!!!! */
+               /* TODO LOG it */       
+       }
+       
+       
+}
+
+/**
+ * Implementation of receiver_t's destroy function
+ */
+static status_t destroy(private_receiver_t *this)
+{
+       pthread_cancel(this->assigned_thread);
+       
+       pthread_join(this->assigned_thread, NULL);
+
+       pfree(this);
+       return SUCCESS;
+}
+
+
+receiver_t * receiver_create()
+{
+       private_receiver_t *this = alloc_thing(private_receiver_t,"private_receiver_t");
+       
+       this->public.destroy = (status_t(*)(receiver_t*)) destroy;
+       if (pthread_create(&(this->assigned_thread), NULL, (void*(*)(void*))receiver_thread_function, this) != 0)
+       {
+               /* thread could not be created  */
+               pfree(this);
+               return NULL;
+       }
+       
+       return &(this->public);
+}
diff --git a/Source/charon/receiver.h b/Source/charon/receiver.h
new file mode 100644 (file)
index 0000000..56a966f
--- /dev/null
@@ -0,0 +1,47 @@
+/**
+ * @file receiver.h
+ * 
+ * @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.
+ */
+
+#ifndef RECEIVER_H_
+#define RECEIVER_H_
+
+#include "types.h"
+
+/**
+ * @brief A Receiver object which receives packets on the socket and adds them to the job-queue
+ */
+typedef struct receiver_s receiver_t;
+
+struct receiver_s {    
+
+       /**
+        * @brief Destroys a receiver object
+        * 
+        * @param receiver receiver object
+        * @return SUCCESSFUL if succeeded, FAILED otherwise
+        */
+       status_t (*destroy) (receiver_t *receiver);
+};
+
+
+receiver_t * receiver_create();
+
+#endif /*RECEIVER_H_*/