125 lines
2.6 KiB
C++
125 lines
2.6 KiB
C++
#ifndef __TRACYPROTOCOL_HPP__
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#define __TRACYPROTOCOL_HPP__
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#include <limits>
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#include <stdint.h>
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namespace tracy
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{
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constexpr unsigned Lz4CompressBound( unsigned isize ) { return isize + ( isize / 255 ) + 16; }
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enum : uint32_t { ProtocolVersion = 42 };
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enum : uint16_t { BroadcastVersion = 2 };
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using lz4sz_t = uint32_t;
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enum { TargetFrameSize = 256 * 1024 };
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enum { LZ4Size = Lz4CompressBound( TargetFrameSize ) };
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static_assert( LZ4Size <= std::numeric_limits<lz4sz_t>::max(), "LZ4Size greater than lz4sz_t" );
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static_assert( TargetFrameSize * 2 >= 64 * 1024, "Not enough space for LZ4 stream buffer" );
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enum { HandshakeShibbolethSize = 8 };
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static const char HandshakeShibboleth[HandshakeShibbolethSize] = { 'T', 'r', 'a', 'c', 'y', 'P', 'r', 'f' };
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enum HandshakeStatus : uint8_t
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{
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HandshakePending,
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HandshakeWelcome,
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HandshakeProtocolMismatch,
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HandshakeNotAvailable,
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HandshakeDropped
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};
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enum { WelcomeMessageProgramNameSize = 64 };
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enum { WelcomeMessageHostInfoSize = 1024 };
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#pragma pack( 1 )
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// Must increase left query space after handling!
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enum ServerQuery : uint8_t
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{
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ServerQueryTerminate,
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ServerQueryString,
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ServerQueryThreadString,
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ServerQuerySourceLocation,
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ServerQueryPlotName,
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ServerQueryCallstackFrame,
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ServerQueryFrameName,
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ServerQueryDisconnect,
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ServerQueryExternalName,
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ServerQueryParameter,
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ServerQuerySymbol,
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ServerQuerySymbolCode,
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ServerQueryCodeLocation
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};
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struct ServerQueryPacket
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{
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ServerQuery type;
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uint64_t ptr;
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uint32_t extra;
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};
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enum { ServerQueryPacketSize = sizeof( ServerQueryPacket ) };
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enum CpuArchitecture : uint8_t
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{
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CpuArchUnknown,
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CpuArchX86,
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CpuArchX64,
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CpuArchArm32,
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CpuArchArm64
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};
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struct WelcomeMessage
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{
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double timerMul;
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int64_t initBegin;
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int64_t initEnd;
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uint64_t delay;
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uint64_t resolution;
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uint64_t epoch;
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uint64_t pid;
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int64_t samplingPeriod;
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uint8_t onDemand;
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uint8_t isApple;
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uint8_t cpuArch;
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uint8_t codeTransfer;
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char cpuManufacturer[12];
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uint32_t cpuId;
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char programName[WelcomeMessageProgramNameSize];
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char hostInfo[WelcomeMessageHostInfoSize];
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};
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enum { WelcomeMessageSize = sizeof( WelcomeMessage ) };
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struct OnDemandPayloadMessage
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{
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uint64_t frames;
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uint64_t currentTime;
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};
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enum { OnDemandPayloadMessageSize = sizeof( OnDemandPayloadMessage ) };
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struct BroadcastMessage
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{
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uint16_t broadcastVersion;
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uint16_t listenPort;
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uint32_t protocolVersion;
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int32_t activeTime; // in seconds
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char programName[WelcomeMessageProgramNameSize];
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};
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enum { BroadcastMessageSize = sizeof( BroadcastMessage ) };
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#pragma pack()
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}
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#endif
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