FreeRDP/channels/client/open.c

104 lines
2.6 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Client Channels
*
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.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.
*/
#include "open.h"
UINT32 FreeRDP_VirtualChannelOpen(void* pInitHandle, UINT32* pOpenHandle,
char* pChannelName, PCHANNEL_OPEN_EVENT_FN pChannelOpenEventProc)
{
void* pInterface;
rdpChannels* channels;
CHANNEL_INIT_DATA* pChannelInitData;
CHANNEL_OPEN_DATA* pChannelOpenData;
DEBUG_CHANNELS("enter");
pChannelInitData = (CHANNEL_INIT_DATA*) pInitHandle;
channels = pChannelInitData->channels;
pInterface = pChannelInitData->pInterface;
if (!pOpenHandle)
{
DEBUG_CHANNELS("error bad channel handle");
return CHANNEL_RC_BAD_CHANNEL_HANDLE;
}
if (!pChannelOpenEventProc)
{
DEBUG_CHANNELS("error bad proc");
return CHANNEL_RC_BAD_PROC;
}
if (!channels->is_connected)
{
DEBUG_CHANNELS("error not connected");
return CHANNEL_RC_NOT_CONNECTED;
}
pChannelOpenData = freerdp_channels_find_channel_open_data_by_name(channels, pChannelName);
if (!pChannelOpenData)
{
DEBUG_CHANNELS("error channel name");
return CHANNEL_RC_UNKNOWN_CHANNEL_NAME;
}
if (pChannelOpenData->flags == 2)
{
DEBUG_CHANNELS("error channel already open");
return CHANNEL_RC_ALREADY_OPEN;
}
pChannelOpenData->flags = 2; /* open */
pChannelOpenData->pInterface = pInterface;
pChannelOpenData->pChannelOpenEventProc = pChannelOpenEventProc;
*pOpenHandle = pChannelOpenData->OpenHandle;
return CHANNEL_RC_OK;
}
UINT32 FreeRDP_VirtualChannelClose(UINT32 openHandle)
{
int index;
rdpChannels* channels;
CHANNEL_OPEN_DATA* pChannelOpenData;
DEBUG_CHANNELS("enter");
channels = freerdp_channels_find_by_open_handle(openHandle, &index);
if ((channels == NULL) || (index < 0) || (index >= CHANNEL_MAX_COUNT))
{
DEBUG_CHANNELS("error bad channels");
return CHANNEL_RC_BAD_CHANNEL_HANDLE;
}
pChannelOpenData = &channels->openDataList[index];
if (pChannelOpenData->flags != 2)
{
DEBUG_CHANNELS("error not open");
return CHANNEL_RC_NOT_OPEN;
}
pChannelOpenData->flags = 0;
return CHANNEL_RC_OK;
}