FreeRDP/channels/rdpdr/devman.c
2012-02-09 20:04:27 -05:00

109 lines
2.5 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol client.
* File System Virtual Channel
*
* Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2010-2011 Vic Lee
*
* 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 "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <freerdp/types.h>
#include <freerdp/utils/memory.h>
#include <freerdp/utils/stream.h>
#include <freerdp/utils/list.h>
#include <freerdp/utils/svc_plugin.h>
#include <freerdp/utils/load_plugin.h>
#include "rdpdr_types.h"
#include "devman.h"
DEVMAN* devman_new(rdpSvcPlugin* plugin)
{
DEVMAN* devman;
devman = xnew(DEVMAN);
devman->plugin = plugin;
devman->id_sequence = 1;
devman->devices = list_new();
return devman;
}
void devman_free(DEVMAN* devman)
{
DEVICE* device;
while ((device = (DEVICE*) list_dequeue(devman->devices)) != NULL)
IFCALL(device->Free, device);
list_free(devman->devices);
xfree(devman);
}
static void devman_register_device(DEVMAN* devman, DEVICE* device)
{
device->id = devman->id_sequence++;
list_add(devman->devices, device);
DEBUG_SVC("device %d.%s registered", device->id, device->name);
}
static void devman_unregister_device(DEVMAN* devman, DEVICE* device)
{
list_remove(devman->devices, device);
DEBUG_SVC("device %d.%s unregistered", device->id, device->name);
}
boolean devman_load_device_service(DEVMAN* devman, RDP_PLUGIN_DATA* plugin_data)
{
DEVICE_SERVICE_ENTRY_POINTS ep;
PDEVICE_SERVICE_ENTRY entry;
entry = freerdp_load_plugin((char*) plugin_data->data[0], "DeviceServiceEntry");
if (entry == NULL)
return false;
ep.devman = devman;
ep.RegisterDevice = devman_register_device;
ep.UnregisterDevice = devman_unregister_device;
ep.plugin_data = plugin_data;
entry(&ep);
return true;
}
DEVICE* devman_get_device_by_id(DEVMAN* devman, uint32 id)
{
LIST_ITEM* item;
DEVICE* device;
for (item = devman->devices->head; item; item = item->next)
{
device = (DEVICE*) item->data;
if (device->id == id)
return device;
}
return NULL;
}