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Moved packet_t to libstrongswan

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This commit is contained in:
Tobias Brunner
2012-08-08 15:41:02 +02:00
parent 3320b87a62
commit 5764a9b355
13 changed files with 43 additions and 54 deletions
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src/libstrongswan/Android.mk
+1 -1
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@@ -24,7 +24,7 @@ pen/pen.c plugins/plugin_loader.c plugins/plugin_feature.c processing/jobs/job.c
processing/jobs/callback_job.c processing/processor.c processing/scheduler.c \
selectors/traffic_selector.c threading/thread.c threading/thread_value.c \
threading/mutex.c threading/semaphore.c threading/rwlock.c threading/spinlock.c \
utils.c utils/host.c utils/identification.c utils/lexparser.c \
utils.c utils/host.c utils/packet.c utils/identification.c utils/lexparser.c \
utils/linked_list.c utils/hashtable.c utils/enumerator.c utils/optionsfrom.c \
utils/capabilities.c utils/backtrace.c
src/libstrongswan/Makefile.am
+4 -3
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@@ -22,7 +22,7 @@ pen/pen.c plugins/plugin_loader.c plugins/plugin_feature.c processing/jobs/job.c
processing/jobs/callback_job.c processing/processor.c processing/scheduler.c \
selectors/traffic_selector.c threading/thread.c threading/thread_value.c \
threading/mutex.c threading/semaphore.c threading/rwlock.c threading/spinlock.c \
utils.c utils/host.c utils/identification.c utils/lexparser.c \
utils.c utils/host.c utils/packet.c utils/identification.c utils/lexparser.c \
utils/linked_list.c utils/hashtable.c utils/enumerator.c utils/optionsfrom.c \
utils/capabilities.c utils/backtrace.c
@@ -57,8 +57,9 @@ processing/jobs/callback_job.h processing/processor.h processing/scheduler.h \
selectors/traffic_selector.h threading/thread.h threading/thread_value.h \
threading/mutex.h threading/condvar.h threading/spinlock.h threading/semaphore.h \
threading/rwlock.h threading/lock_profiler.h utils.h utils/host.h \
utils/identification.h utils/lexparser.h utils/linked_list.h utils/hashtable.h \
utils/enumerator.h utils/optionsfrom.h utils/capabilities.h utils/backtrace.h
utils/packet.h utils/identification.h utils/lexparser.h utils/linked_list.h \
utils/hashtable.h utils/enumerator.h utils/optionsfrom.h utils/capabilities.h \
utils/backtrace.h
endif
library.lo : $(top_builddir)/config.status
src/libstrongswan/utils/packet.c
+152
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@@ -0,0 +1,152 @@
/*
* Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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 "packet.h"
typedef struct private_packet_t private_packet_t;
/**
* Private data of an packet_t object.
*/
struct private_packet_t {
/**
* Public part of a packet_t object.
*/
packet_t public;
/**
* source address
*/
host_t *source;
/**
* destination address
*/
host_t *destination;
/**
* message data
*/
chunk_t data;
/**
* actual chunk returned from get_data, adjusted when skip_bytes is called
*/
chunk_t adjusted_data;
};
METHOD(packet_t, set_source, void,
private_packet_t *this, host_t *source)
{
DESTROY_IF(this->source);
this->source = source;
}
METHOD(packet_t, set_destination, void,
private_packet_t *this, host_t *destination)
{
DESTROY_IF(this->destination);
this->destination = destination;
}
METHOD(packet_t, get_source, host_t*,
private_packet_t *this)
{
return this->source;
}
METHOD(packet_t, get_destination, host_t*,
private_packet_t *this)
{
return this->destination;
}
METHOD(packet_t, get_data, chunk_t,
private_packet_t *this)
{
return this->adjusted_data;
}
METHOD(packet_t, set_data, void,
private_packet_t *this, chunk_t data)
{
free(this->data.ptr);
this->adjusted_data = this->data = data;
}
METHOD(packet_t, skip_bytes, void,
private_packet_t *this, size_t bytes)
{
this->adjusted_data = chunk_skip(this->adjusted_data, bytes);
}
METHOD(packet_t, destroy, void,
private_packet_t *this)
{
DESTROY_IF(this->source);
DESTROY_IF(this->destination);
free(this->data.ptr);
free(this);
}
METHOD(packet_t, clone_, packet_t*,
private_packet_t *this)
{
packet_t *other;
other = packet_create();
if (this->destination)
{
other->set_destination(other,
this->destination->clone(this->destination));
}
if (this->source)
{
other->set_source(other, this->source->clone(this->source));
}
if (this->data.ptr)
{
other->set_data(other, chunk_clone(this->adjusted_data));
}
return other;
}
/*
* Documented in header
*/
packet_t *packet_create()
{
private_packet_t *this;
INIT(this,
.public = {
.set_data = _set_data,
.get_data = _get_data,
.set_source = _set_source,
.get_source = _get_source,
.set_destination = _set_destination,
.get_destination = _get_destination,
.skip_bytes = _skip_bytes,
.clone = _clone_,
.destroy = _destroy,
},
);
return &this->public;
}
src/libstrongswan/utils/packet.h
+111
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@@ -0,0 +1,111 @@
/*
* Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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.
*/
/**
* @defgroup packet packet
* @{ @ingroup utils
*/
#ifndef PACKET_H_
#define PACKET_H_
typedef struct packet_t packet_t;
#include <library.h>
#include <utils/host.h>
/**
* Abstraction of an IP/UDP-Packet, contains data, sender and receiver.
*/
struct packet_t {
/**
* Set the source address.
*
* @param source address to set as source (gets owned)
*/
void (*set_source)(packet_t *packet, host_t *source);
/**
* Set the destination address.
*
* @param source address to set as destination (gets owned)
*/
void (*set_destination)(packet_t *packet, host_t *destination);
/**
* Get the source address.
*
* @return source address (internal data)
*/
host_t *(*get_source)(packet_t *packet);
/**
* Get the destination address.
*
* @return destination address (internal data)
*/
host_t *(*get_destination)(packet_t *packet);
/**
* Get the data from the packet.
*
* @return chunk containing the data (internal data)
*/
chunk_t (*get_data)(packet_t *packet);
/**
* Set the data in the packet.
*
* @param data chunk with data to set (gets owned)
*/
void (*set_data)(packet_t *packet, chunk_t data);
/**
* Increase the offset where the actual packet data starts.
*
* The total offset applies to future calls of get_data() and clone().
*
* @note The offset is reset to 0 when set_data() is called.
*
* @param bytes the number of additional bytes to skip
*/
void (*skip_bytes)(packet_t *packet, size_t bytes);
/**
* Clones a packet_t object.
*
* @note Data is cloned without skipped bytes.
*
* @param clone clone of the packet
*/
packet_t* (*clone)(packet_t *packet);
/**
* Destroy the packet, freeing contained data.
*/
void (*destroy)(packet_t *packet);
};
/**
* Create an empty packet
*
* @return packet_t object
*/
packet_t *packet_create();
#endif /** PACKET_H_ @}*/