mirror of https://github.com/FreeRDP/FreeRDP
[channels,location] implement client channel
* provide client side callbacks to implement platform specific location backend glue code
This commit is contained in:
akallabeth
akallabeth
parent
2dd80b1e80
commit
f764b0a854
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@ -17,6 +17,10 @@
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define_channel("location")
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define_channel("location")
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if(WITH_CLIENT_CHANNELS)
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add_channel_client(${MODULE_PREFIX} ${CHANNEL_NAME})
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endif()
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if(WITH_SERVER_CHANNELS)
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if(WITH_SERVER_CHANNELS)
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add_channel_server(${MODULE_PREFIX} ${CHANNEL_NAME})
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add_channel_server(${MODULE_PREFIX} ${CHANNEL_NAME})
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endif()
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endif()
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@ -1,6 +1,6 @@
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set(OPTION_DEFAULT ON)
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set(OPTION_DEFAULT ON)
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set(OPTION_CLIENT_DEFAULT OFF)
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set(OPTION_CLIENT_DEFAULT ON)
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set(OPTION_SERVER_DEFAULT ON)
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set(OPTION_SERVER_DEFAULT ON)
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define_channel_options(NAME "location" TYPE "dynamic"
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define_channel_options(NAME "location" TYPE "dynamic"
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@ -8,5 +8,6 @@ define_channel_options(NAME "location" TYPE "dynamic"
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SPECIFICATIONS "[MS-RDPEL]"
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SPECIFICATIONS "[MS-RDPEL]"
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DEFAULT ${OPTION_DEFAULT})
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DEFAULT ${OPTION_DEFAULT})
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define_channel_client_options(${OPTION_CLIENT_DEFAULT})
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define_channel_server_options(${OPTION_SERVER_DEFAULT})
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define_channel_server_options(${OPTION_SERVER_DEFAULT})
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@ -0,0 +1,30 @@
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# FreeRDP: A Remote Desktop Protocol Implementation
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# FreeRDP cmake build script
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#
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# Copyright 2024 Armin Novak <anovak@thincast.com>
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# Copyright 2024 Thincast Technologies GmbH
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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define_channel_client("location")
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set(${MODULE_PREFIX}_SRCS
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location_main.c
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)
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set(${MODULE_PREFIX}_LIBS
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winpr
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)
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include_directories(..)
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add_channel_client_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} TRUE "DVCPluginEntry")
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@ -0,0 +1,448 @@
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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Location Virtual Channel Extension
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*
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* Copyright 2024 Armin Novak <anovak@thincast.com>
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* Copyright 2024 Thincast Technologies GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <freerdp/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <float.h>
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#include <math.h>
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#include <winpr/crt.h>
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#include <winpr/assert.h>
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#include <winpr/stream.h>
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#include <freerdp/client/channels.h>
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#include <freerdp/channels/log.h>
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#include <freerdp/channels/location.h>
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#include <freerdp/client/location.h>
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#include <freerdp/utils/encoded_types.h>
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#define TAG CHANNELS_TAG("location.client")
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/* implement [MS-RDPEL]
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* https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-rdpel/4397a0af-c821-4b75-9068-476fb579c327
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*/
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typedef struct
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{
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GENERIC_DYNVC_PLUGIN baseDynPlugin;
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LocationClientContext context;
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} LOCATION_PLUGIN;
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typedef struct
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{
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GENERIC_CHANNEL_CALLBACK baseCb;
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UINT32 serverVersion;
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UINT32 clientVersion;
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UINT32 serverFlags;
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UINT32 clientFlags;
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} LOCATION_CALLBACK;
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static BOOL location_read_header(wLog* log, wStream* s, UINT16* ppduType, UINT32* ppduLength)
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{
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WINPR_ASSERT(log);
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WINPR_ASSERT(s);
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WINPR_ASSERT(ppduType);
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WINPR_ASSERT(ppduLength);
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if (!Stream_CheckAndLogRequiredLengthWLog(log, s, 6))
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return FALSE;
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Stream_Read_UINT16(s, *ppduType);
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Stream_Read_UINT32(s, *ppduLength);
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if (*ppduLength < 6)
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{
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WLog_Print(log, WLOG_ERROR,
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"RDPLOCATION_HEADER::pduLengh=%" PRIu16 " < sizeof(RDPLOCATION_HEADER)[6]",
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*ppduLength);
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return FALSE;
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}
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return Stream_CheckAndLogRequiredLengthWLog(log, s, *ppduLength);
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}
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static BOOL location_write_header(wStream* s, UINT16 pduType, UINT32 pduLength)
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{
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if (!Stream_EnsureRemainingCapacity(s, 6))
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return FALSE;
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Stream_Write_UINT16(s, pduType);
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Stream_Write_UINT32(s, pduLength + 6);
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return Stream_EnsureRemainingCapacity(s, pduLength);
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}
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static BOOL location_read_server_ready_pdu(LOCATION_CALLBACK* callback, wStream* s, UINT16 pduSize)
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{
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if (pduSize < 6 + 4)
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return FALSE; // Short message
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Stream_Read_UINT32(s, callback->serverVersion);
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if (pduSize >= 6 + 4 + 4)
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Stream_Read_UINT32(s, callback->serverFlags);
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return TRUE;
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}
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static UINT location_channel_send(IWTSVirtualChannel* channel, wStream* s)
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{
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const size_t len = Stream_GetPosition(s);
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Stream_SetPosition(s, 2);
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Stream_Write_UINT32(s, len);
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WINPR_ASSERT(channel);
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WINPR_ASSERT(channel->Write);
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return channel->Write(channel, len, Stream_Buffer(s), NULL);
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}
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static UINT location_send_client_ready_pdu(const LOCATION_CALLBACK* callback)
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{
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wStream sbuffer = { 0 };
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char buffer[32] = { 0 };
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wStream* s = Stream_StaticInit(&sbuffer, buffer, sizeof(buffer));
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WINPR_ASSERT(s);
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if (!location_write_header(s, PDUTYPE_CLIENT_READY, 8))
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return ERROR_OUTOFMEMORY;
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Stream_Write_UINT32(s, callback->clientVersion);
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Stream_Write_UINT32(s, callback->clientFlags);
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return location_channel_send(callback->baseCb.channel, s);
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}
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static const char* location_version_str(UINT32 version, char* buffer, size_t size)
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{
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const char* str = NULL;
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switch (version)
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{
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case RDPLOCATION_PROTOCOL_VERSION_100:
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str = "RDPLOCATION_PROTOCOL_VERSION_100";
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break;
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case RDPLOCATION_PROTOCOL_VERSION_200:
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str = "RDPLOCATION_PROTOCOL_VERSION_200";
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break;
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default:
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str = "RDPLOCATION_PROTOCOL_VERSION_UNKNOWN";
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break;
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}
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_snprintf(buffer, size, "%s [0x%08" PRIx32 "]", str, version);
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return buffer;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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static UINT location_on_data_received(IWTSVirtualChannelCallback* pChannelCallback, wStream* data)
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{
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LOCATION_CALLBACK* callback = (LOCATION_CALLBACK*)pChannelCallback;
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WINPR_ASSERT(callback);
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LOCATION_PLUGIN* plugin = (LOCATION_PLUGIN*)callback->baseCb.plugin;
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WINPR_ASSERT(plugin);
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UINT16 pduType = 0;
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UINT32 pduLength = 0;
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if (!location_read_header(plugin->baseDynPlugin.log, data, &pduType, &pduLength))
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return ERROR_INVALID_DATA;
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switch (pduType)
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{
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case PDUTYPE_SERVER_READY:
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if (!location_read_server_ready_pdu(callback, data, pduLength))
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return ERROR_INVALID_DATA;
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switch (callback->serverVersion)
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{
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case RDPLOCATION_PROTOCOL_VERSION_200:
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callback->clientVersion = RDPLOCATION_PROTOCOL_VERSION_200;
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break;
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case RDPLOCATION_PROTOCOL_VERSION_100:
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callback->clientVersion = RDPLOCATION_PROTOCOL_VERSION_100;
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break;
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default:
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callback->clientVersion = RDPLOCATION_PROTOCOL_VERSION_100;
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if (callback->serverVersion > RDPLOCATION_PROTOCOL_VERSION_200)
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callback->clientVersion = RDPLOCATION_PROTOCOL_VERSION_200;
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break;
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}
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char cbuffer[32] = { 0 };
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char sbuffer[32] = { 0 };
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WLog_Print(plugin->baseDynPlugin.log, WLOG_DEBUG,
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"Server version %s, client version %s",
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location_version_str(callback->serverVersion, sbuffer, sizeof(sbuffer)),
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location_version_str(callback->clientVersion, cbuffer, sizeof(cbuffer)));
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if (!plugin->context.LocationStart)
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{
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WLog_Print(plugin->baseDynPlugin.log, WLOG_WARN,
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"LocationStart=NULL, no location data will be sent");
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return CHANNEL_RC_OK;
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}
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const UINT res =
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plugin->context.LocationStart(&plugin->context, callback->clientVersion, 0);
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if (res != CHANNEL_RC_OK)
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return res;
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return location_send_client_ready_pdu(callback);
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default:
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WLog_WARN(TAG, "invalid pduType=%s");
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return ERROR_INVALID_DATA;
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}
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}
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static UINT location_send_base_location3d(IWTSVirtualChannel* channel,
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const RDPLOCATION_BASE_LOCATION3D_PDU* pdu)
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{
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wStream sbuffer = { 0 };
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char buffer[32] = { 0 };
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wStream* s = Stream_StaticInit(&sbuffer, buffer, sizeof(buffer));
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WINPR_ASSERT(s);
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WINPR_ASSERT(channel);
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WINPR_ASSERT(pdu);
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if (location_write_header(s, PDUTYPE_BASE_LOCATION3D, 32))
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return ERROR_OUTOFMEMORY;
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if (!freerdp_write_four_byte_float(s, pdu->latitude) ||
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!freerdp_write_four_byte_float(s, pdu->longitude) ||
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!freerdp_write_four_byte_signed_integer(s, pdu->altitude))
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return FALSE;
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if (pdu->source)
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{
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if (!freerdp_write_four_byte_float(s, *pdu->speed) ||
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!freerdp_write_four_byte_float(s, *pdu->heading) ||
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!freerdp_write_four_byte_float(s, *pdu->horizontalAccuracy))
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return FALSE;
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Stream_Write_UINT8(s, *pdu->source);
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}
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return location_channel_send(channel, s);
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}
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static UINT location_send_location2d_delta(IWTSVirtualChannel* channel,
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const RDPLOCATION_LOCATION2D_DELTA_PDU* pdu)
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{
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wStream sbuffer = { 0 };
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char buffer[32] = { 0 };
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wStream* s = Stream_StaticInit(&sbuffer, buffer, sizeof(buffer));
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WINPR_ASSERT(s);
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WINPR_ASSERT(channel);
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WINPR_ASSERT(pdu);
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const BOOL ext = pdu->speedDelta && pdu->headingDelta;
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if (location_write_header(s, PDUTYPE_LOCATION2D_DELTA, 32))
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return ERROR_OUTOFMEMORY;
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if (!freerdp_write_four_byte_float(s, pdu->latitudeDelta) ||
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!freerdp_write_four_byte_float(s, pdu->longitudeDelta))
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return FALSE;
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if (ext)
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{
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if (!freerdp_write_four_byte_float(s, *pdu->speedDelta) ||
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!freerdp_write_four_byte_float(s, *pdu->headingDelta))
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return FALSE;
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}
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return location_channel_send(channel, s);
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}
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static UINT location_send_location3d_delta(IWTSVirtualChannel* channel,
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const RDPLOCATION_LOCATION3D_DELTA_PDU* pdu)
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{
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wStream sbuffer = { 0 };
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char buffer[32] = { 0 };
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wStream* s = Stream_StaticInit(&sbuffer, buffer, sizeof(buffer));
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WINPR_ASSERT(s);
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WINPR_ASSERT(channel);
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WINPR_ASSERT(pdu);
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const BOOL ext = pdu->speedDelta && pdu->headingDelta;
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if (location_write_header(s, PDUTYPE_LOCATION3D_DELTA, 32))
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return ERROR_OUTOFMEMORY;
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if (!freerdp_write_four_byte_float(s, pdu->latitudeDelta) ||
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!freerdp_write_four_byte_float(s, pdu->longitudeDelta) ||
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!freerdp_write_four_byte_signed_integer(s, pdu->altitudeDelta))
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return FALSE;
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if (ext)
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{
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if (!freerdp_write_four_byte_float(s, *pdu->speedDelta) ||
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!freerdp_write_four_byte_float(s, *pdu->headingDelta))
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return FALSE;
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}
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return location_channel_send(channel, s);
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}
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static UINT location_send(LocationClientContext* context, LOCATION_PDUTYPE type, size_t count, ...)
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{
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WINPR_ASSERT(context);
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LOCATION_PLUGIN* loc = context->handle;
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WINPR_ASSERT(loc);
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GENERIC_LISTENER_CALLBACK* cb = loc->baseDynPlugin.listener_callback;
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WINPR_ASSERT(cb);
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IWTSVirtualChannel* channel = cb->channel;
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WINPR_ASSERT(channel);
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LOCATION_CALLBACK* callback = (LOCATION_CALLBACK*)loc->baseDynPlugin.channel_callbacks;
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WINPR_ASSERT(callback);
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||||||
|
UINT32 res = ERROR_INTERNAL_ERROR;
|
||||||
|
va_list ap;
|
||||||
|
va_start(ap, count);
|
||||||
|
switch (type)
|
||||||
|
{
|
||||||
|
case PDUTYPE_BASE_LOCATION3D:
|
||||||
|
if ((count != 3) && (count != 7))
|
||||||
|
res = ERROR_INVALID_PARAMETER;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
RDPLOCATION_BASE_LOCATION3D_PDU pdu = { 0 };
|
||||||
|
LOCATIONSOURCE source = LOCATIONSOURCE_IP;
|
||||||
|
double speed = FP_NAN;
|
||||||
|
double heading = FP_NAN;
|
||||||
|
double horizontalAccuracy = FP_NAN;
|
||||||
|
pdu.latitude = va_arg(ap, double);
|
||||||
|
pdu.longitude = va_arg(ap, double);
|
||||||
|
pdu.altitude = va_arg(ap, INT32);
|
||||||
|
if ((count > 3) && (callback->clientVersion >= RDPLOCATION_PROTOCOL_VERSION_200))
|
||||||
|
{
|
||||||
|
speed = va_arg(ap, double);
|
||||||
|
heading = va_arg(ap, double);
|
||||||
|
horizontalAccuracy = va_arg(ap, double);
|
||||||
|
source = va_arg(ap, int);
|
||||||
|
pdu.speed = &speed;
|
||||||
|
pdu.heading = &heading;
|
||||||
|
pdu.horizontalAccuracy = &horizontalAccuracy;
|
||||||
|
pdu.source = &source;
|
||||||
|
}
|
||||||
|
res = location_send_base_location3d(channel, &pdu);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case PDUTYPE_LOCATION2D_DELTA:
|
||||||
|
if ((count != 2) && (count != 4))
|
||||||
|
res = ERROR_INVALID_PARAMETER;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
RDPLOCATION_LOCATION2D_DELTA_PDU pdu = { 0 };
|
||||||
|
|
||||||
|
pdu.latitudeDelta = va_arg(ap, double);
|
||||||
|
pdu.longitudeDelta = va_arg(ap, double);
|
||||||
|
|
||||||
|
double speedDelta = FP_NAN;
|
||||||
|
double headingDelta = FP_NAN;
|
||||||
|
if ((count > 2) && (callback->clientVersion >= RDPLOCATION_PROTOCOL_VERSION_200))
|
||||||
|
{
|
||||||
|
speedDelta = va_arg(ap, double);
|
||||||
|
headingDelta = va_arg(ap, double);
|
||||||
|
pdu.speedDelta = &speedDelta;
|
||||||
|
pdu.headingDelta = &headingDelta;
|
||||||
|
}
|
||||||
|
res = location_send_location2d_delta(channel, &pdu);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case PDUTYPE_LOCATION3D_DELTA:
|
||||||
|
if ((count != 3) && (count != 5))
|
||||||
|
res = ERROR_INVALID_PARAMETER;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
RDPLOCATION_LOCATION3D_DELTA_PDU pdu = { 0 };
|
||||||
|
double speedDelta = FP_NAN;
|
||||||
|
double headingDelta = FP_NAN;
|
||||||
|
|
||||||
|
pdu.latitudeDelta = va_arg(ap, double);
|
||||||
|
pdu.longitudeDelta = va_arg(ap, double);
|
||||||
|
pdu.altitudeDelta = va_arg(ap, INT32);
|
||||||
|
if ((count > 3) && (callback->clientVersion >= RDPLOCATION_PROTOCOL_VERSION_200))
|
||||||
|
{
|
||||||
|
speedDelta = va_arg(ap, double);
|
||||||
|
headingDelta = va_arg(ap, double);
|
||||||
|
pdu.speedDelta = &speedDelta;
|
||||||
|
pdu.headingDelta = &headingDelta;
|
||||||
|
}
|
||||||
|
res = location_send_location3d_delta(channel, &pdu);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
res = ERROR_INVALID_PARAMETER;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
va_end(ap);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Function description
|
||||||
|
*
|
||||||
|
* @return 0 on success, otherwise a Win32 error code
|
||||||
|
*/
|
||||||
|
static UINT location_on_close(IWTSVirtualChannelCallback* pChannelCallback)
|
||||||
|
{
|
||||||
|
UINT res = CHANNEL_RC_OK;
|
||||||
|
GENERIC_CHANNEL_CALLBACK* callback = (GENERIC_CHANNEL_CALLBACK*)pChannelCallback;
|
||||||
|
|
||||||
|
if (callback)
|
||||||
|
{
|
||||||
|
LOCATION_PLUGIN* plugin = (LOCATION_PLUGIN*)callback->plugin;
|
||||||
|
WINPR_ASSERT(plugin);
|
||||||
|
|
||||||
|
res = IFCALLRESULT(CHANNEL_RC_OK, plugin->context.LocationStop, &plugin->context);
|
||||||
|
}
|
||||||
|
free(callback);
|
||||||
|
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
static UINT location_init(GENERIC_DYNVC_PLUGIN* plugin, rdpContext* context, rdpSettings* settings)
|
||||||
|
{
|
||||||
|
LOCATION_PLUGIN* loc = (LOCATION_PLUGIN*)plugin;
|
||||||
|
|
||||||
|
WINPR_ASSERT(loc);
|
||||||
|
|
||||||
|
loc->context.LocationSend = location_send;
|
||||||
|
loc->context.handle = loc;
|
||||||
|
plugin->iface.pInterface = &loc->context;
|
||||||
|
return CHANNEL_RC_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const IWTSVirtualChannelCallback location_callbacks = { location_on_data_received,
|
||||||
|
NULL, /* Open */
|
||||||
|
location_on_close, NULL };
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Function description
|
||||||
|
*
|
||||||
|
* @return 0 on success, otherwise a Win32 error code
|
||||||
|
*/
|
||||||
|
FREERDP_ENTRY_POINT(UINT location_DVCPluginEntry(IDRDYNVC_ENTRY_POINTS* pEntryPoints))
|
||||||
|
{
|
||||||
|
return freerdp_generic_DVCPluginEntry(pEntryPoints, TAG, LOCATION_DVC_CHANNEL_NAME,
|
||||||
|
sizeof(LOCATION_PLUGIN), sizeof(LOCATION_CALLBACK),
|
||||||
|
&location_callbacks, location_init, NULL);
|
||||||
|
}
|
||||||
|
|
@ -1309,7 +1309,7 @@ BOOL freerdp_client_populate_rdp_file_from_settings(rdpFile* file, const rdpSett
|
||||||
file->RedirectComPorts = (freerdp_settings_get_bool(settings, FreeRDP_RedirectSerialPorts) ||
|
file->RedirectComPorts = (freerdp_settings_get_bool(settings, FreeRDP_RedirectSerialPorts) ||
|
||||||
freerdp_settings_get_bool(settings, FreeRDP_RedirectParallelPorts));
|
freerdp_settings_get_bool(settings, FreeRDP_RedirectParallelPorts));
|
||||||
file->RedirectLocation =
|
file->RedirectLocation =
|
||||||
freerdp_dynamic_channel_collection_find(settings, LOCATION_DVC_CHANNEL_NAME) ? TRUE : FALSE;
|
freerdp_dynamic_channel_collection_find(settings, LOCATION_CHANNEL_NAME) ? TRUE : FALSE;
|
||||||
if (!FILE_POPULATE_STRING(&file->DrivesToRedirect, settings, FreeRDP_DrivesToRedirect) ||
|
if (!FILE_POPULATE_STRING(&file->DrivesToRedirect, settings, FreeRDP_DrivesToRedirect) ||
|
||||||
!FILE_POPULATE_STRING(&file->PreconnectionBlob, settings, FreeRDP_PreconnectionBlob) ||
|
!FILE_POPULATE_STRING(&file->PreconnectionBlob, settings, FreeRDP_PreconnectionBlob) ||
|
||||||
!FILE_POPULATE_STRING(&file->KdcProxyName, settings, FreeRDP_KerberosKdcUrl))
|
!FILE_POPULATE_STRING(&file->KdcProxyName, settings, FreeRDP_KerberosKdcUrl))
|
||||||
|
|
@ -2299,8 +2299,7 @@ BOOL freerdp_client_populate_settings_from_rdp_file(const rdpFile* file, rdpSett
|
||||||
if (~file->RedirectLocation)
|
if (~file->RedirectLocation)
|
||||||
{
|
{
|
||||||
size_t count = 0;
|
size_t count = 0;
|
||||||
char** str =
|
char** str = CommandLineParseCommaSeparatedValuesEx(LOCATION_CHANNEL_NAME, NULL, &count);
|
||||||
CommandLineParseCommaSeparatedValuesEx(LOCATION_DVC_CHANNEL_NAME, NULL, &count);
|
|
||||||
const BOOL rc = freerdp_client_add_dynamic_channel(settings, count, str);
|
const BOOL rc = freerdp_client_add_dynamic_channel(settings, count, str);
|
||||||
free(str);
|
free(str);
|
||||||
if (!rc)
|
if (!rc)
|
||||||
|
|
|
||||||
|
|
@ -24,6 +24,7 @@
|
||||||
#include <freerdp/dvc.h>
|
#include <freerdp/dvc.h>
|
||||||
#include <freerdp/types.h>
|
#include <freerdp/types.h>
|
||||||
|
|
||||||
|
#define LOCATION_CHANNEL_NAME "location"
|
||||||
#define LOCATION_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::Location"
|
#define LOCATION_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::Location"
|
||||||
|
|
||||||
#ifdef __cplusplus
|
#ifdef __cplusplus
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,97 @@
|
||||||
|
/**
|
||||||
|
* FreeRDP: A Remote Desktop Protocol Implementation
|
||||||
|
* Location Virtual Channel Extension
|
||||||
|
*
|
||||||
|
* Copyright 2024 Armin Novak <anovak@thincast.com>
|
||||||
|
* Copyright 2024 Thincast Technologies GmbH
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef FREERDP_CHANNEL_LOCATION_CLIENT_LOCATION_H
|
||||||
|
#define FREERDP_CHANNEL_LOCATION_CLIENT_LOCATION_H
|
||||||
|
|
||||||
|
#include <freerdp/channels/location.h>
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C"
|
||||||
|
{
|
||||||
|
#endif
|
||||||
|
|
||||||
|
typedef struct s_location_client_context LocationClientContext;
|
||||||
|
|
||||||
|
typedef UINT (*pcLocationStart)(LocationClientContext* context, UINT32 version, UINT32 flags);
|
||||||
|
typedef UINT (*pcLocationStop)(LocationClientContext* context);
|
||||||
|
typedef UINT (*pcLocationSend)(LocationClientContext* context, LOCATION_PDUTYPE type,
|
||||||
|
size_t count, ...);
|
||||||
|
|
||||||
|
struct s_location_client_context
|
||||||
|
{
|
||||||
|
void* handle;
|
||||||
|
void* custom;
|
||||||
|
|
||||||
|
/**! \brief initialize location services on client
|
||||||
|
*
|
||||||
|
* \param context The client context to operate on
|
||||||
|
* \param version The location channel version (determines which features are available.
|
||||||
|
* \param flags The location channel flags.
|
||||||
|
*
|
||||||
|
* \return \b CHANNEL_RC_OK for success, an appropriate error otherwise.
|
||||||
|
*/
|
||||||
|
pcLocationStart LocationStart;
|
||||||
|
|
||||||
|
/**! \brief stop location services on client
|
||||||
|
*
|
||||||
|
* \param context The client context to operate on
|
||||||
|
*
|
||||||
|
* \return \b CHANNEL_RC_OK for success, an appropriate error otherwise.
|
||||||
|
*/
|
||||||
|
pcLocationStop LocationStop;
|
||||||
|
|
||||||
|
/**! \brief Send a location update.
|
||||||
|
*
|
||||||
|
* This function sends location updates to a server.
|
||||||
|
* The following parameter formats are supported:
|
||||||
|
*
|
||||||
|
* \param type one of the following:
|
||||||
|
* PDUTYPE_BASE_LOCATION3D : count = 3 | 7
|
||||||
|
* latitude : double, required
|
||||||
|
* longitude : double, required
|
||||||
|
* altitude : INT32, required
|
||||||
|
* speed : double, optional
|
||||||
|
* heading : double, optional
|
||||||
|
* horizontalAccuracy : double, optional
|
||||||
|
* source : int, optional
|
||||||
|
* PDUTYPE_LOCATION2D_DELTA : count = 2 | 4
|
||||||
|
* latitudeDelta : double, required
|
||||||
|
* longitudeDelta : double, required
|
||||||
|
* speedDelta : double, optional
|
||||||
|
* headingDelta : double, optional
|
||||||
|
* PDUTYPE_LOCATION3D_DELTA : count = 3 | 5
|
||||||
|
* latitudeDelta : double, required
|
||||||
|
* longitudeDelta : double, required
|
||||||
|
* altitudeDelta : INT32, optional
|
||||||
|
* speedDelta : double, optional
|
||||||
|
* headingDelta : double, optional
|
||||||
|
* \param count the number of variable arguments following
|
||||||
|
*
|
||||||
|
* return \b CHANNEL_RC_OK for success, an appropriate error otherwise.
|
||||||
|
*/
|
||||||
|
pcLocationSend LocationSend;
|
||||||
|
};
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* FREERDP_CHANNEL_LOCATION_CLIENT_LOCATION_H */
|
||||||
Loading…
Reference in New Issue