tor-android/external/badvpn_dns/server_connection/SCKeepaliveSource.c

70 lines
2.5 KiB
C
Raw Normal View History

2015-01-25 11:08:34 +00:00
/**
* @file SCKeepaliveSource.c
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include <protocol/scproto.h>
#include <misc/byteorder.h>
#include "SCKeepaliveSource.h"
static void output_handler_recv (SCKeepaliveSource *o, uint8_t *data)
{
DebugObject_Access(&o->d_obj);
struct sc_header header;
header.type = htol8(SCID_KEEPALIVE);
memcpy(data, &header, sizeof(header));
PacketRecvInterface_Done(&o->output, sizeof(struct sc_header));
}
void SCKeepaliveSource_Init (SCKeepaliveSource *o, BPendingGroup *pg)
{
// init output
PacketRecvInterface_Init(&o->output, sizeof(struct sc_header), (PacketRecvInterface_handler_recv)output_handler_recv, o, pg);
DebugObject_Init(&o->d_obj);
}
void SCKeepaliveSource_Free (SCKeepaliveSource *o)
{
DebugObject_Free(&o->d_obj);
// free output
PacketRecvInterface_Free(&o->output);
}
PacketRecvInterface * SCKeepaliveSource_GetOutput (SCKeepaliveSource *o)
{
DebugObject_Access(&o->d_obj);
return &o->output;
}