FreeRDP/libfreerdp/core/heartbeat.c
2014-01-23 22:23:47 -05:00

63 lines
1.5 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Heartbeat PDUs
*
* Copyright 2014 Dell Software <Mike.McDonald@software.dell.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define WITH_DEBUG_HEARTBEAT
#include "heartbeat.h"
int rdp_recv_heartbeat_packet(rdpRdp* rdp, wStream* s)
{
BYTE reserved;
BYTE period;
BYTE count1;
BYTE count2;
if (Stream_GetRemainingLength(s) < 4)
return -1;
Stream_Read_UINT8(s, reserved); /* reserved (1 byte) */
Stream_Read_UINT8(s, period); /* period (1 byte) */
Stream_Read_UINT8(s, count1); /* count1 (1 byte) */
Stream_Read_UINT8(s, count2); /* count2 (1 byte) */
DEBUG_HEARTBEAT("received Heartbeat PDU -> period=%u, count1=%u, count2=%u", period, count1, count2);
return 0;
}
rdpHeartbeat* heartbeat_new(void)
{
rdpHeartbeat* heartbeat = (rdpHeartbeat*)malloc(sizeof(rdpHeartbeat));
if (heartbeat)
{
ZeroMemory(heartbeat, sizeof(rdpHeartbeat));
}
return heartbeat;
}
void heartbeat_free(rdpHeartbeat* heartbeat)
{
free(heartbeat);
}