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[common] network: add service payload codecs

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This commit is contained in:
Geoffrey McRae
2026-09-30 15:33:21 +10:00
parent 90d2867a78
commit adf9ac3035
6 changed files with 3290 additions and 2 deletions
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3
common/CMakeLists.txt
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@@ -1,5 +1,5 @@
cmake_minimum_required(VERSION 3.10)
project(lg_common LANGUAGES C)
project(lg_common LANGUAGES C CXX)
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
@@ -46,6 +46,7 @@ set(COMMON_SOURCES
src/debug.c
src/ll.c
src/network/protocol.c
src/network/services.c
src/network/wire.c
)

994
common/include/common/network/services.h Normal file
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@@ -0,0 +1,994 @@
/**
* Looking Glass
* Copyright © 2017-2026 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_LG_COMMON_NETWORK_SERVICES_
#define _H_LG_COMMON_NETWORK_SERVICES_
#include "common/network/protocol.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Variable-length decoders return borrowed views into their input buffer. The
* caller must keep that buffer alive while using the decoded payload. */
/* Fixed boundaries must not move when a service's current version changes. */
#define LG_NET_VIDEO_PYROWAVE_INTRODUCED_SERVICE_VERSION 1U
#define LG_NET_CURSOR_SHAPE_INTRODUCED_SERVICE_VERSION 1U
#define LG_NET_INPUT_LEDS_INTRODUCED_SERVICE_VERSION 1U
#define LG_NET_AUDIO_PCM_INTRODUCED_SERVICE_VERSION 1U
#define LG_NET_CLIPBOARD_CHUNK_INTRODUCED_SERVICE_VERSION 1U
#define LG_NET_FILE_CHUNK_INTRODUCED_SERVICE_VERSION 1U
#define LG_NET_USB_RESERVED_INTRODUCED_SERVICE_VERSION 1U
#define LG_NET_VIDEO_MAX_WIDTH 32768U
#define LG_NET_VIDEO_MAX_HEIGHT 32768U
#define LG_NET_VIDEO_MAX_PLANES 4U
#define LG_NET_VIDEO_STREAM_CONFIG_WIRE_SIZE 60U
#define LG_NET_VIDEO_FRAME_HEADER_WIRE_SIZE 56U
#define LG_NET_VIDEO_FRAGMENT_HEADER_WIRE_SIZE 40U
#define LG_NET_VIDEO_FEEDBACK_WIRE_SIZE 56U
#define LG_NET_VIDEO_MAX_FRAME_LENGTH \
(LG_NET_MAX_PAYLOAD_LENGTH - LG_NET_VIDEO_FRAME_HEADER_WIRE_SIZE)
#define LG_NET_VIDEO_MAX_FRAGMENT_LENGTH 65535U
#define LG_NET_VIDEO_MAX_FRAGMENTS 65535U
#define LG_NET_VIDEO_MAX_BLOCKS 65535U
#define LG_NET_CURSOR_MAX_WIDTH 4096U
#define LG_NET_CURSOR_MAX_HEIGHT 4096U
#define LG_NET_CURSOR_MAX_SHAPE_LENGTH (16U * 1024U * 1024U)
#define LG_NET_CURSOR_POSITION_WIRE_SIZE 40U
#define LG_NET_CURSOR_SHAPE_HEADER_WIRE_SIZE 40U
#define LG_NET_INPUT_CLAIM_WIRE_SIZE 24U
#define LG_NET_INPUT_STATUS_WIRE_SIZE 32U
#define LG_NET_INPUT_RELATIVE_WIRE_SIZE 40U
#define LG_NET_INPUT_ABSOLUTE_WIRE_SIZE 48U
#define LG_NET_INPUT_KEYBOARD_WIRE_SIZE 32U
#define LG_NET_INPUT_LEDS_WIRE_SIZE 16U
#define LG_NET_INPUT_ABSOLUTE_MAX_WIDTH 32768U
#define LG_NET_INPUT_ABSOLUTE_MAX_HEIGHT 32768U
#define LG_NET_INPUT_KEYBOARD_MODIFIER_MASK UINT32_C(0x000000FF)
#define LG_NET_AUDIO_MAX_CHANNELS 32U
#define LG_NET_AUDIO_MAX_SAMPLE_RATE 768000U
#define LG_NET_AUDIO_MAX_PACKET_FRAMES 16384U
#define LG_NET_AUDIO_MAX_DATA_LENGTH (4U * 1024U * 1024U)
#define LG_NET_AUDIO_FORMAT_WIRE_SIZE 40U
#define LG_NET_AUDIO_DATA_HEADER_WIRE_SIZE 48U
#define LG_NET_AUDIO_STATE_WIRE_SIZE 32U
#define LG_NET_AUDIO_CLOCK_FEEDBACK_WIRE_SIZE 48U
#define LG_NET_CLIPBOARD_MAX_MIME_LENGTH 255U
#define LG_NET_CLIPBOARD_MAX_FORMATS 256U
#define LG_NET_CLIPBOARD_MAX_CHUNK_LENGTH (4U * 1024U * 1024U)
#define LG_NET_CLIPBOARD_CLAIM_WIRE_SIZE 24U
#define LG_NET_CLIPBOARD_OFFER_HEADER_WIRE_SIZE 40U
#define LG_NET_CLIPBOARD_REQUEST_WIRE_SIZE 32U
#define LG_NET_CLIPBOARD_CHUNK_HEADER_WIRE_SIZE 40U
#define LG_NET_CLIPBOARD_STATUS_WIRE_SIZE 32U
#define LG_NET_FILE_MAX_LABEL_LENGTH 1024U
#define LG_NET_FILE_MAX_PATH_LENGTH 4096U
#define LG_NET_FILE_MAX_LINK_TARGET_LENGTH 4096U
#define LG_NET_FILE_MAX_ENTRIES 1048576U
#define LG_NET_FILE_MAX_CHUNK_LENGTH (4U * 1024U * 1024U)
#define LG_NET_FILE_OFFER_HEADER_WIRE_SIZE 32U
#define LG_NET_FILE_ENTRY_HEADER_WIRE_SIZE 56U
#define LG_NET_FILE_REQUEST_WIRE_SIZE 40U
#define LG_NET_FILE_CHUNK_HEADER_WIRE_SIZE 48U
#define LG_NET_FILE_STATUS_WIRE_SIZE 40U
#define LG_NET_USB_RESERVED_HEADER_WIRE_SIZE 32U
#define LG_NET_USB_MAX_RESERVED_PAYLOAD_LENGTH \
(LG_NET_MAX_PAYLOAD_LENGTH - LG_NET_USB_RESERVED_HEADER_WIRE_SIZE)
typedef uint16_t LGNetVideoCodec;
enum
{
LG_NET_VIDEO_CODEC_PYROWAVE = 1,
};
typedef uint16_t LGNetVideoPixelFormat;
enum
{
LG_NET_VIDEO_PIXEL_FORMAT_NV12 = 1,
LG_NET_VIDEO_PIXEL_FORMAT_P010 = 2,
LG_NET_VIDEO_PIXEL_FORMAT_YUV420P8 = 3,
LG_NET_VIDEO_PIXEL_FORMAT_YUV420P10 = 4,
LG_NET_VIDEO_PIXEL_FORMAT_YUV422P8 = 5,
LG_NET_VIDEO_PIXEL_FORMAT_YUV422P10 = 6,
LG_NET_VIDEO_PIXEL_FORMAT_YUV444P8 = 7,
LG_NET_VIDEO_PIXEL_FORMAT_YUV444P10 = 8,
LG_NET_VIDEO_PIXEL_FORMAT_YUV444P16F = 9,
};
typedef uint8_t LGNetVideoChromaSubsampling;
enum
{
LG_NET_VIDEO_CHROMA_420 = 1,
LG_NET_VIDEO_CHROMA_422 = 2,
LG_NET_VIDEO_CHROMA_444 = 3,
};
typedef uint8_t LGNetColorPrimaries;
enum
{
LG_NET_COLOR_PRIMARIES_BT601 = 1,
LG_NET_COLOR_PRIMARIES_BT709 = 2,
LG_NET_COLOR_PRIMARIES_BT2020 = 3,
};
typedef uint8_t LGNetColorTransfer;
enum
{
LG_NET_COLOR_TRANSFER_LINEAR = 1,
LG_NET_COLOR_TRANSFER_SRGB = 2,
LG_NET_COLOR_TRANSFER_BT709 = 3,
LG_NET_COLOR_TRANSFER_PQ = 4,
LG_NET_COLOR_TRANSFER_HLG = 5,
};
typedef uint8_t LGNetColorMatrix;
enum
{
LG_NET_COLOR_MATRIX_BT601 = 1,
LG_NET_COLOR_MATRIX_BT709 = 2,
LG_NET_COLOR_MATRIX_BT2020 = 3,
LG_NET_COLOR_MATRIX_RGB = 4,
};
typedef uint8_t LGNetColorRange;
enum
{
LG_NET_COLOR_RANGE_LIMITED = 1,
LG_NET_COLOR_RANGE_FULL = 2,
};
typedef uint16_t LGNetVideoStreamFlags;
enum
{
LG_NET_VIDEO_STREAM_HDR = 1U << 0,
LG_NET_VIDEO_STREAM_ALPHA = 1U << 1,
LG_NET_VIDEO_STREAM_GPU_PLANES_ONLY = 1U << 2,
LG_NET_VIDEO_STREAM_DATAGRAMS = 1U << 3,
};
typedef struct LGNetVideoStreamConfig
{
uint32_t streamID;
LGNetVideoCodec codec;
uint16_t codecVersion;
uint64_t configEpoch;
uint32_t width;
uint32_t height;
uint32_t refreshNumerator;
uint32_t refreshDenominator;
LGNetVideoPixelFormat pixelFormat;
LGNetVideoChromaSubsampling chromaSubsampling;
LGNetColorPrimaries colorPrimaries;
LGNetColorTransfer colorTransfer;
LGNetColorMatrix colorMatrix;
LGNetColorRange colorRange;
uint8_t planeCount;
uint8_t bitDepth;
LGNetVideoStreamFlags flags;
uint32_t maxFrameLength;
uint32_t maxFragmentLength;
uint32_t maxFrameLatencyMs;
}
LGNetVideoStreamConfig;
typedef uint16_t LGNetVideoFrameFlags;
enum
{
LG_NET_VIDEO_FRAME_KEYFRAME = 1U << 0,
LG_NET_VIDEO_FRAME_DISCONTINUITY = 1U << 1,
LG_NET_VIDEO_FRAME_END_OF_STREAM = 1U << 2,
LG_NET_VIDEO_FRAME_HAS_CHECKSUM = 1U << 3,
};
/* checksum is CRC-32C (Castagnoli), reflected polynomial 0x82f63b78, with
* initial and final XOR 0xffffffff, over exactly encodedLength bytes of data.
* It is zero when LG_NET_VIDEO_FRAME_HAS_CHECKSUM is clear. */
typedef struct LGNetVideoFrame
{
uint32_t streamID;
LGNetVideoCodec codec;
LGNetVideoFrameFlags flags;
uint64_t configEpoch;
uint64_t frameID;
uint64_t captureTimestampNs;
uint64_t presentationTimestampNs;
uint32_t encodedLength;
uint16_t blockCount;
uint16_t fragmentCount;
uint32_t deadlineMs;
uint32_t checksum;
const uint8_t * data;
}
LGNetVideoFrame;
typedef uint16_t LGNetVideoFragmentFlags;
enum
{
LG_NET_VIDEO_FRAGMENT_BLOCK_START = 1U << 0,
LG_NET_VIDEO_FRAGMENT_BLOCK_END = 1U << 1,
LG_NET_VIDEO_FRAGMENT_FRAME_END = 1U << 2,
LG_NET_VIDEO_FRAGMENT_RECOVERY = 1U << 3,
};
typedef struct LGNetVideoFragment
{
uint32_t streamID;
uint64_t configEpoch;
uint64_t frameID;
uint32_t frameLength;
uint32_t offset;
uint16_t fragmentIndex;
uint16_t fragmentCount;
uint16_t blockIndex;
uint16_t blockCount;
uint16_t payloadLength;
LGNetVideoFragmentFlags flags;
const uint8_t * payload;
}
LGNetVideoFragment;
typedef uint32_t LGNetVideoFeedbackFlags;
enum
{
LG_NET_VIDEO_FEEDBACK_REQUEST_KEYFRAME = 1U << 0,
LG_NET_VIDEO_FEEDBACK_CONGESTED = 1U << 1,
LG_NET_VIDEO_FEEDBACK_DECODER_STALLED = 1U << 2,
};
typedef struct LGNetVideoFeedback
{
uint32_t streamID;
LGNetVideoFeedbackFlags flags;
uint64_t lastCompleteFrameID;
uint64_t highestSeenFrameID;
uint64_t lastDecodedFrameID;
uint32_t lostFrames;
uint32_t lostFragments;
uint32_t receiveQueueUs;
uint32_t decodeQueueUs;
uint32_t roundTripUs;
}
LGNetVideoFeedback;
typedef uint32_t LGNetCursorPositionFlags;
enum
{
LG_NET_CURSOR_POSITION_VISIBLE = 1U << 0,
LG_NET_CURSOR_POSITION_RELATIVE = 1U << 1,
};
typedef struct LGNetCursorPosition
{
uint64_t updateID;
uint64_t timestampNs;
int32_t x;
int32_t y;
uint32_t desktopWidth;
uint32_t desktopHeight;
LGNetCursorPositionFlags flags;
uint32_t displayID;
}
LGNetCursorPosition;
typedef uint16_t LGNetCursorFormat;
enum
{
LG_NET_CURSOR_FORMAT_BGRA8_PREMULTIPLIED = 1,
LG_NET_CURSOR_FORMAT_RGBA8_PREMULTIPLIED = 2,
LG_NET_CURSOR_FORMAT_MASKED_COLOR = 3,
LG_NET_CURSOR_FORMAT_MONOCHROME = 4,
};
typedef uint16_t LGNetCursorShapeFlags;
enum
{
LG_NET_CURSOR_SHAPE_HIDDEN = 1U << 0,
LG_NET_CURSOR_SHAPE_ANIMATED = 1U << 1,
};
typedef struct LGNetCursorShape
{
uint64_t shapeID;
uint32_t width;
uint32_t height;
uint32_t pitch;
uint32_t dataLength;
LGNetCursorFormat format;
LGNetCursorShapeFlags flags;
uint32_t hotspotX;
uint32_t hotspotY;
uint32_t frameDurationMs;
const uint8_t * data;
}
LGNetCursorShape;
typedef uint32_t LGNetInputClaimFlags;
enum
{
LG_NET_INPUT_CLAIM_KEYBOARD = 1U << 0,
LG_NET_INPUT_CLAIM_POINTER = 1U << 1,
LG_NET_INPUT_CLAIM_EXCLUSIVE = 1U << 2,
};
typedef struct LGNetInputClaim
{
uint64_t claimantID;
uint64_t claimEpoch;
uint32_t leaseMs;
LGNetInputClaimFlags flags;
}
LGNetInputClaim;
typedef uint32_t LGNetInputStatusCode;
enum
{
LG_NET_INPUT_STATUS_ACCEPTED = 1,
LG_NET_INPUT_STATUS_REJECTED = 2,
LG_NET_INPUT_STATUS_RELEASED = 3,
LG_NET_INPUT_STATUS_EXPIRED = 4,
LG_NET_INPUT_STATUS_UNSUPPORTED = 5,
LG_NET_INPUT_STATUS_ERROR = 6,
};
typedef struct LGNetInputStatus
{
uint64_t claimEpoch;
uint64_t lastSequence;
LGNetInputStatusCode status;
LGNetInputClaimFlags flags;
uint32_t leaseRemainingMs;
uint32_t detail;
}
LGNetInputStatus;
typedef uint32_t LGNetPointerButtons;
enum
{
LG_NET_POINTER_BUTTON_LEFT = 1U << 0,
LG_NET_POINTER_BUTTON_RIGHT = 1U << 1,
LG_NET_POINTER_BUTTON_MIDDLE = 1U << 2,
LG_NET_POINTER_BUTTON_BACK = 1U << 3,
LG_NET_POINTER_BUTTON_FORWARD = 1U << 4,
};
typedef struct LGNetInputRelative
{
uint64_t sequence;
uint64_t timestampNs;
int32_t deltaX;
int32_t deltaY;
int32_t wheelX;
int32_t wheelY;
LGNetPointerButtons buttons;
LGNetPointerButtons changedButtons;
}
LGNetInputRelative;
typedef struct LGNetInputAbsolute
{
uint64_t sequence;
uint64_t timestampNs;
int32_t x;
int32_t y;
uint32_t width;
uint32_t height;
int32_t wheelX;
int32_t wheelY;
LGNetPointerButtons buttons;
LGNetPointerButtons changedButtons;
}
LGNetInputAbsolute;
typedef uint16_t LGNetKeyboardFlags;
enum
{
LG_NET_KEYBOARD_DOWN = 1U << 0,
LG_NET_KEYBOARD_REPEAT = 1U << 1,
LG_NET_KEYBOARD_EXTENDED = 1U << 2,
LG_NET_KEYBOARD_E1 = 1U << 3,
};
/* modifiers uses the USB HID keyboard modifier byte in its low eight bits;
* all other bits are reserved and must be zero. */
typedef struct LGNetInputKeyboard
{
uint64_t sequence;
uint64_t timestampNs;
uint16_t usagePage;
uint16_t usage;
uint16_t scanCode;
LGNetKeyboardFlags flags;
uint32_t modifiers;
}
LGNetInputKeyboard;
typedef uint32_t LGNetKeyboardLEDs;
enum
{
LG_NET_KEYBOARD_LED_NUM_LOCK = 1U << 0,
LG_NET_KEYBOARD_LED_CAPS_LOCK = 1U << 1,
LG_NET_KEYBOARD_LED_SCROLL_LOCK = 1U << 2,
LG_NET_KEYBOARD_LED_COMPOSE = 1U << 3,
LG_NET_KEYBOARD_LED_KANA = 1U << 4,
};
typedef struct LGNetInputLEDs
{
uint64_t sequence;
LGNetKeyboardLEDs state;
LGNetKeyboardLEDs validMask;
}
LGNetInputLEDs;
typedef uint16_t LGNetAudioDirection;
enum
{
LG_NET_AUDIO_DIRECTION_PLAYBACK = 1,
LG_NET_AUDIO_DIRECTION_CAPTURE = 2,
};
typedef uint16_t LGNetAudioSampleFormat;
enum
{
LG_NET_AUDIO_SAMPLE_S16_LE = 1,
LG_NET_AUDIO_SAMPLE_S24_LE = 2,
LG_NET_AUDIO_SAMPLE_S32_LE = 3,
LG_NET_AUDIO_SAMPLE_F32_LE = 4,
};
typedef uint32_t LGNetAudioFormatFlags;
enum
{
LG_NET_AUDIO_FORMAT_INTERLEAVED = 1U << 0,
};
typedef struct LGNetAudioFormat
{
uint32_t streamID;
LGNetAudioDirection direction;
LGNetAudioSampleFormat sampleFormat;
uint64_t formatEpoch;
uint32_t sampleRate;
uint16_t channels;
uint16_t framesPerPacket;
uint32_t channelMask;
LGNetAudioFormatFlags flags;
uint32_t maxPacketFrames;
}
LGNetAudioFormat;
typedef uint16_t LGNetAudioDataFlags;
enum
{
LG_NET_AUDIO_DATA_DISCONTINUITY = 1U << 0,
LG_NET_AUDIO_DATA_SILENT = 1U << 1,
LG_NET_AUDIO_DATA_END_OF_STREAM = 1U << 2,
};
typedef struct LGNetAudioData
{
uint32_t streamID;
LGNetAudioDirection direction;
LGNetAudioDataFlags flags;
uint64_t formatEpoch;
uint64_t packetID;
uint64_t timestampNs;
uint64_t startFrame;
uint32_t frameCount;
uint32_t dataLength;
const uint8_t * data;
}
LGNetAudioData;
typedef uint16_t LGNetAudioStateCode;
enum
{
LG_NET_AUDIO_STATE_STOPPED = 1,
LG_NET_AUDIO_STATE_RUNNING = 2,
LG_NET_AUDIO_STATE_PAUSED = 3,
LG_NET_AUDIO_STATE_ERROR = 4,
};
typedef uint32_t LGNetAudioStateFlags;
enum
{
LG_NET_AUDIO_STATE_MUTED = 1U << 0,
LG_NET_AUDIO_STATE_FORMAT_ACTIVE = 1U << 1,
};
typedef struct LGNetAudioState
{
uint32_t streamID;
LGNetAudioDirection direction;
LGNetAudioStateCode state;
uint64_t stateSequence;
uint64_t formatEpoch;
int32_t volumeMillibels;
LGNetAudioStateFlags flags;
}
LGNetAudioState;
typedef struct LGNetAudioClockFeedback
{
uint32_t streamID;
LGNetAudioDirection direction;
uint64_t formatEpoch;
uint64_t packetID;
uint64_t framePosition;
uint64_t timestampNs;
int32_t queuedFrames;
int32_t driftPpm;
}
LGNetAudioClockFeedback;
typedef uint32_t LGNetClipboardClaimFlags;
enum
{
LG_NET_CLIPBOARD_CLAIM_READ = 1U << 0,
LG_NET_CLIPBOARD_CLAIM_WRITE = 1U << 1,
};
typedef struct LGNetClipboardClaim
{
uint64_t ownerID;
uint64_t claimEpoch;
uint32_t leaseMs;
LGNetClipboardClaimFlags flags;
}
LGNetClipboardClaim;
typedef uint16_t LGNetClipboardOfferFlags;
enum
{
LG_NET_CLIPBOARD_OFFER_LAZY = 1U << 0,
LG_NET_CLIPBOARD_OFFER_SENSITIVE = 1U << 1,
};
typedef struct LGNetClipboardOffer
{
uint64_t offerID;
uint64_t serial;
uint64_t estimatedSize;
uint32_t formatIndex;
uint32_t formatCount;
uint16_t mimeLength;
LGNetClipboardOfferFlags flags;
const uint8_t * mime;
}
LGNetClipboardOffer;
typedef struct LGNetClipboardRequest
{
uint64_t offerID;
uint64_t requestID;
uint32_t formatIndex;
uint32_t maxChunkLength;
uint64_t offset;
}
LGNetClipboardRequest;
typedef uint16_t LGNetClipboardChunkFlags;
enum
{
LG_NET_CLIPBOARD_CHUNK_FIRST = 1U << 0,
LG_NET_CLIPBOARD_CHUNK_FINAL = 1U << 1,
};
typedef struct LGNetClipboardChunk
{
uint64_t requestID;
uint64_t offerID;
uint64_t offset;
uint64_t totalLength;
uint32_t dataLength;
LGNetClipboardChunkFlags flags;
const uint8_t * data;
}
LGNetClipboardChunk;
typedef uint32_t LGNetClipboardStatusCode;
enum
{
LG_NET_CLIPBOARD_STATUS_OK = 1,
LG_NET_CLIPBOARD_STATUS_NOT_FOUND = 2,
LG_NET_CLIPBOARD_STATUS_UNSUPPORTED = 3,
LG_NET_CLIPBOARD_STATUS_CANCELLED = 4,
LG_NET_CLIPBOARD_STATUS_BUSY = 5,
LG_NET_CLIPBOARD_STATUS_ERROR = 6,
};
typedef struct LGNetClipboardStatus
{
uint64_t requestID;
uint64_t offerID;
LGNetClipboardStatusCode status;
uint32_t detail;
uint64_t processedLength;
}
LGNetClipboardStatus;
typedef uint32_t LGNetFileOfferFlags;
enum
{
LG_NET_FILE_OFFER_COPY = 1U << 0,
LG_NET_FILE_OFFER_MOVE = 1U << 1,
LG_NET_FILE_OFFER_RECURSIVE = 1U << 2,
};
typedef struct LGNetFileOffer
{
uint64_t offerID;
uint64_t totalBytes;
uint32_t entryCount;
LGNetFileOfferFlags flags;
uint16_t labelLength;
const uint8_t * label;
}
LGNetFileOffer;
typedef uint16_t LGNetFileEntryType;
enum
{
LG_NET_FILE_ENTRY_REGULAR = 1,
LG_NET_FILE_ENTRY_DIRECTORY = 2,
LG_NET_FILE_ENTRY_SYMLINK = 3,
};
typedef uint16_t LGNetFileEntryFlags;
enum
{
LG_NET_FILE_ENTRY_EXECUTABLE = 1U << 0,
LG_NET_FILE_ENTRY_HIDDEN = 1U << 1,
};
/* File path fields are strict UTF-8 without a trailing NUL. They are relative
* to a receiver-selected transfer root and use '/' as their only separator.
* Receivers must reject absolute paths, empty, '.' or '..' components, and
* platform-native alternate separators before accessing the filesystem. The
* same traversal rules apply to symbolic-link targets. */
typedef struct LGNetFileEntry
{
uint64_t offerID;
uint64_t entryID;
uint64_t parentID;
uint64_t size;
uint64_t modifiedNs;
uint32_t mode;
LGNetFileEntryType type;
LGNetFileEntryFlags flags;
uint16_t pathLength;
uint16_t linkTargetLength;
const uint8_t * path;
const uint8_t * linkTarget;
}
LGNetFileEntry;
typedef uint32_t LGNetFileRequestFlags;
enum
{
LG_NET_FILE_REQUEST_METADATA = 1U << 0,
LG_NET_FILE_REQUEST_DATA = 1U << 1,
};
typedef struct LGNetFileRequest
{
uint64_t requestID;
uint64_t offerID;
uint64_t entryID;
uint64_t offset;
uint32_t length;
LGNetFileRequestFlags flags;
}
LGNetFileRequest;
typedef uint16_t LGNetFileChunkFlags;
enum
{
LG_NET_FILE_CHUNK_FIRST = 1U << 0,
LG_NET_FILE_CHUNK_FINAL = 1U << 1,
};
typedef struct LGNetFileChunk
{
uint64_t requestID;
uint64_t offerID;
uint64_t entryID;
uint64_t offset;
uint64_t totalLength;
uint32_t dataLength;
LGNetFileChunkFlags flags;
const uint8_t * data;
}
LGNetFileChunk;
typedef uint32_t LGNetFileStatusCode;
enum
{
LG_NET_FILE_STATUS_OK = 1,
LG_NET_FILE_STATUS_NOT_FOUND = 2,
LG_NET_FILE_STATUS_DENIED = 3,
LG_NET_FILE_STATUS_CANCELLED = 4,
LG_NET_FILE_STATUS_INVALID = 5,
LG_NET_FILE_STATUS_UNSUPPORTED = 6,
LG_NET_FILE_STATUS_ERROR = 7,
};
typedef struct LGNetFileStatus
{
uint64_t requestID;
uint64_t offerID;
uint64_t entryID;
LGNetFileStatusCode status;
uint32_t detail;
uint64_t transferredLength;
}
LGNetFileStatus;
/* This header reserves framing only. It deliberately defines no USB
* redirection operations or device semantics. */
typedef uint16_t LGNetUSBReservedFlags;
enum
{
LG_NET_USB_RESERVED_RESPONSE = 1U << 0,
LG_NET_USB_RESERVED_FINAL = 1U << 1,
};
typedef struct LGNetUSBReserved
{
uint16_t version;
uint16_t headerSize;
uint16_t messageType;
LGNetUSBReservedFlags flags;
uint64_t requestID;
uint64_t sequence;
uint32_t payloadLength;
const uint8_t * payload;
}
LGNetUSBReserved;
bool lgNetVideoStreamConfigValid(const LGNetVideoStreamConfig * config);
bool lgNetVideoStreamConfigEncode(void * data, size_t size,
const LGNetVideoStreamConfig * config);
LGNetParseResult lgNetVideoStreamConfigDecode(
LGNetVideoStreamConfig * config, const void * data, size_t size);
size_t lgNetVideoFrameSize(const LGNetVideoFrame * frame);
bool lgNetVideoFrameValid(const LGNetVideoFrame * frame);
bool lgNetVideoFrameEncode(
void * data, size_t size, const LGNetVideoFrame * frame);
LGNetParseResult lgNetVideoFrameDecode(
LGNetVideoFrame * frame, const void * data, size_t size);
size_t lgNetVideoFragmentSize(const LGNetVideoFragment * fragment);
bool lgNetVideoFragmentValid(const LGNetVideoFragment * fragment);
bool lgNetVideoFragmentEncode(
void * data, size_t size, const LGNetVideoFragment * fragment);
LGNetParseResult lgNetVideoFragmentDecode(
LGNetVideoFragment * fragment, const void * data, size_t size);
bool lgNetVideoFeedbackValid(const LGNetVideoFeedback * feedback);
bool lgNetVideoFeedbackEncode(
void * data, size_t size, const LGNetVideoFeedback * feedback);
LGNetParseResult lgNetVideoFeedbackDecode(
LGNetVideoFeedback * feedback, const void * data, size_t size);
bool lgNetCursorPositionValid(const LGNetCursorPosition * position);
bool lgNetCursorPositionEncode(
void * data, size_t size, const LGNetCursorPosition * position);
LGNetParseResult lgNetCursorPositionDecode(
LGNetCursorPosition * position, const void * data, size_t size);
size_t lgNetCursorShapeSize(const LGNetCursorShape * shape);
bool lgNetCursorShapeValid(const LGNetCursorShape * shape);
bool lgNetCursorShapeEncode(
void * data, size_t size, const LGNetCursorShape * shape);
LGNetParseResult lgNetCursorShapeDecode(
LGNetCursorShape * shape, const void * data, size_t size);
bool lgNetInputClaimValid(const LGNetInputClaim * claim);
bool lgNetInputClaimEncode(
void * data, size_t size, const LGNetInputClaim * claim);
LGNetParseResult lgNetInputClaimDecode(
LGNetInputClaim * claim, const void * data, size_t size);
bool lgNetInputStatusValid(const LGNetInputStatus * status);
bool lgNetInputStatusEncode(
void * data, size_t size, const LGNetInputStatus * status);
LGNetParseResult lgNetInputStatusDecode(
LGNetInputStatus * status, const void * data, size_t size);
bool lgNetInputRelativeValid(const LGNetInputRelative * relative);
bool lgNetInputRelativeEncode(
void * data, size_t size, const LGNetInputRelative * relative);
LGNetParseResult lgNetInputRelativeDecode(
LGNetInputRelative * relative, const void * data, size_t size);
bool lgNetInputAbsoluteValid(const LGNetInputAbsolute * absolute);
bool lgNetInputAbsoluteEncode(
void * data, size_t size, const LGNetInputAbsolute * absolute);
LGNetParseResult lgNetInputAbsoluteDecode(
LGNetInputAbsolute * absolute, const void * data, size_t size);
bool lgNetInputKeyboardValid(const LGNetInputKeyboard * keyboard);
bool lgNetInputKeyboardEncode(
void * data, size_t size, const LGNetInputKeyboard * keyboard);
LGNetParseResult lgNetInputKeyboardDecode(
LGNetInputKeyboard * keyboard, const void * data, size_t size);
bool lgNetInputLEDsValid(const LGNetInputLEDs * leds);
bool lgNetInputLEDsEncode(
void * data, size_t size, const LGNetInputLEDs * leds);
LGNetParseResult lgNetInputLEDsDecode(
LGNetInputLEDs * leds, const void * data, size_t size);
bool lgNetAudioFormatValid(const LGNetAudioFormat * format);
bool lgNetAudioFormatEncode(
void * data, size_t size, const LGNetAudioFormat * format);
LGNetParseResult lgNetAudioFormatDecode(
LGNetAudioFormat * format, const void * data, size_t size);
size_t lgNetAudioDataSize(const LGNetAudioData * audio);
bool lgNetAudioDataValid(const LGNetAudioData * audio);
bool lgNetAudioDataMatchesFormat(
const LGNetAudioData * audio, const LGNetAudioFormat * format);
bool lgNetAudioDataEncode(
void * data, size_t size, const LGNetAudioData * audio);
LGNetParseResult lgNetAudioDataDecode(
LGNetAudioData * audio, const void * data, size_t size);
bool lgNetAudioStateValid(const LGNetAudioState * state);
bool lgNetAudioStateEncode(
void * data, size_t size, const LGNetAudioState * state);
LGNetParseResult lgNetAudioStateDecode(
LGNetAudioState * state, const void * data, size_t size);
bool lgNetAudioClockFeedbackValid(
const LGNetAudioClockFeedback * feedback);
bool lgNetAudioClockFeedbackEncode(void * data, size_t size,
const LGNetAudioClockFeedback * feedback);
LGNetParseResult lgNetAudioClockFeedbackDecode(
LGNetAudioClockFeedback * feedback, const void * data, size_t size);
bool lgNetClipboardClaimValid(const LGNetClipboardClaim * claim);
bool lgNetClipboardClaimEncode(
void * data, size_t size, const LGNetClipboardClaim * claim);
LGNetParseResult lgNetClipboardClaimDecode(
LGNetClipboardClaim * claim, const void * data, size_t size);
size_t lgNetClipboardOfferSize(const LGNetClipboardOffer * offer);
bool lgNetClipboardOfferValid(const LGNetClipboardOffer * offer);
bool lgNetClipboardOfferEncode(
void * data, size_t size, const LGNetClipboardOffer * offer);
LGNetParseResult lgNetClipboardOfferDecode(
LGNetClipboardOffer * offer, const void * data, size_t size);
bool lgNetClipboardRequestValid(const LGNetClipboardRequest * request);
bool lgNetClipboardRequestEncode(
void * data, size_t size, const LGNetClipboardRequest * request);
LGNetParseResult lgNetClipboardRequestDecode(
LGNetClipboardRequest * request, const void * data, size_t size);
size_t lgNetClipboardChunkSize(const LGNetClipboardChunk * chunk);
bool lgNetClipboardChunkValid(const LGNetClipboardChunk * chunk);
bool lgNetClipboardChunkEncode(
void * data, size_t size, const LGNetClipboardChunk * chunk);
LGNetParseResult lgNetClipboardChunkDecode(
LGNetClipboardChunk * chunk, const void * data, size_t size);
bool lgNetClipboardStatusValid(const LGNetClipboardStatus * status);
bool lgNetClipboardStatusEncode(
void * data, size_t size, const LGNetClipboardStatus * status);
LGNetParseResult lgNetClipboardStatusDecode(
LGNetClipboardStatus * status, const void * data, size_t size);
size_t lgNetFileOfferSize(const LGNetFileOffer * offer);
bool lgNetFileOfferValid(const LGNetFileOffer * offer);
bool lgNetFileOfferEncode(
void * data, size_t size, const LGNetFileOffer * offer);
LGNetParseResult lgNetFileOfferDecode(
LGNetFileOffer * offer, const void * data, size_t size);
size_t lgNetFileEntrySize(const LGNetFileEntry * entry);
bool lgNetFileEntryValid(const LGNetFileEntry * entry);
bool lgNetFileEntryEncode(
void * data, size_t size, const LGNetFileEntry * entry);
LGNetParseResult lgNetFileEntryDecode(
LGNetFileEntry * entry, const void * data, size_t size);
bool lgNetFileRequestValid(const LGNetFileRequest * request);
bool lgNetFileRequestEncode(
void * data, size_t size, const LGNetFileRequest * request);
LGNetParseResult lgNetFileRequestDecode(
LGNetFileRequest * request, const void * data, size_t size);
size_t lgNetFileChunkSize(const LGNetFileChunk * chunk);
bool lgNetFileChunkValid(const LGNetFileChunk * chunk);
bool lgNetFileChunkEncode(
void * data, size_t size, const LGNetFileChunk * chunk);
LGNetParseResult lgNetFileChunkDecode(
LGNetFileChunk * chunk, const void * data, size_t size);
bool lgNetFileStatusValid(const LGNetFileStatus * status);
bool lgNetFileStatusEncode(
void * data, size_t size, const LGNetFileStatus * status);
LGNetParseResult lgNetFileStatusDecode(
LGNetFileStatus * status, const void * data, size_t size);
size_t lgNetUSBReservedSize(const LGNetUSBReserved * reserved);
bool lgNetUSBReservedValid(const LGNetUSBReserved * reserved);
bool lgNetUSBReservedEncode(
void * data, size_t size, const LGNetUSBReserved * reserved);
LGNetParseResult lgNetUSBReservedDecode(
LGNetUSBReserved * reserved, const void * data, size_t size);
#ifdef __cplusplus
}
#endif
#endif

2285
common/src/network/services.c Normal file
View File

File diff suppressed because it is too large Load Diff

2
common/src/network/wire.c
View File

@@ -154,7 +154,7 @@ bool lgNetWriterBytes(
}
if (size)
memcpy(writer->data + writer->offset, data, size);
memmove(writer->data + writer->offset, data, size);
writer->offset += size;
return true;
}

2
idd/LGCommon/LGCommon.vcxproj
View File

@@ -70,6 +70,7 @@
<ClCompile Include="CDebug.cpp" />
<ClCompile Include="CPipeEndpoint.cpp" />
<ClCompile Include="..\..\common\src\network\protocol.c" />
<ClCompile Include="..\..\common\src\network\services.c" />
<ClCompile Include="..\..\common\src\network\wire.c" />
<ClCompile Include="RefreshRate.cpp" />
<ClCompile Include="WCCopy.cpp" />
@@ -89,6 +90,7 @@
<ClInclude Include="ClipboardRing.h" />
<ClInclude Include="CPipeEndpoint.h" />
<ClInclude Include="..\..\common\include\common\network\protocol.h" />
<ClInclude Include="..\..\common\include\common\network\services.h" />
<ClInclude Include="..\..\common\include\common\network\wire.h" />
<ClInclude Include="CSRWLock.h" />
<ClInclude Include="DefaultDisplayModes.h" />

6
idd/LGCommon/LGCommon.vcxproj.filters
View File

@@ -24,6 +24,9 @@
<ClCompile Include="CPipeEndpoint.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\..\common\src\network\services.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="RefreshRate.cpp">
<Filter>Source Files</Filter>
</ClCompile>
@@ -59,6 +62,9 @@
<ClInclude Include="CPipeEndpoint.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\..\common\include\common\network\services.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="CSRWLock.h">
<Filter>Header Files</Filter>
</ClInclude>