tracy/common/TracyProtocol.hpp
2021-10-16 16:29:06 +02:00

138 lines
2.9 KiB
C++

#ifndef __TRACYPROTOCOL_HPP__
#define __TRACYPROTOCOL_HPP__
#include <limits>
#include <stdint.h>
namespace tracy
{
constexpr unsigned Lz4CompressBound( unsigned isize ) { return isize + ( isize / 255 ) + 16; }
enum : uint32_t { ProtocolVersion = 50 };
enum : uint16_t { BroadcastVersion = 2 };
using lz4sz_t = uint32_t;
enum { TargetFrameSize = 256 * 1024 };
enum { LZ4Size = Lz4CompressBound( TargetFrameSize ) };
static_assert( LZ4Size <= std::numeric_limits<lz4sz_t>::max(), "LZ4Size greater than lz4sz_t" );
static_assert( TargetFrameSize * 2 >= 64 * 1024, "Not enough space for LZ4 stream buffer" );
enum { HandshakeShibbolethSize = 8 };
static const char HandshakeShibboleth[HandshakeShibbolethSize] = { 'T', 'r', 'a', 'c', 'y', 'P', 'r', 'f' };
enum HandshakeStatus : uint8_t
{
HandshakePending,
HandshakeWelcome,
HandshakeProtocolMismatch,
HandshakeNotAvailable,
HandshakeDropped
};
enum { WelcomeMessageProgramNameSize = 64 };
enum { WelcomeMessageHostInfoSize = 1024 };
#pragma pack( 1 )
// Must increase left query space after handling!
enum ServerQuery : uint8_t
{
ServerQueryTerminate,
ServerQueryString,
ServerQueryThreadString,
ServerQuerySourceLocation,
ServerQueryPlotName,
ServerQueryCallstackFrame,
ServerQueryFrameName,
ServerQueryDisconnect,
ServerQueryExternalName,
ServerQueryParameter,
ServerQuerySymbol,
ServerQuerySymbolCode,
ServerQueryCodeLocation,
ServerQuerySourceCode,
ServerQueryDataTransfer,
ServerQueryDataTransferPart
};
struct ServerQueryPacket
{
ServerQuery type;
uint64_t ptr;
uint32_t extra;
};
enum { ServerQueryPacketSize = sizeof( ServerQueryPacket ) };
enum CpuArchitecture : uint8_t
{
CpuArchUnknown,
CpuArchX86,
CpuArchX64,
CpuArchArm32,
CpuArchArm64
};
struct WelcomeFlag
{
enum _t : uint8_t
{
OnDemand = 1 << 0,
IsApple = 1 << 1,
CodeTransfer = 1 << 2,
CombineSamples = 1 << 3,
};
};
struct WelcomeMessage
{
double timerMul;
int64_t initBegin;
int64_t initEnd;
uint64_t delay;
uint64_t resolution;
uint64_t epoch;
uint64_t exectime;
uint64_t pid;
int64_t samplingPeriod;
uint8_t flags;
uint8_t cpuArch;
char cpuManufacturer[12];
uint32_t cpuId;
char programName[WelcomeMessageProgramNameSize];
char hostInfo[WelcomeMessageHostInfoSize];
};
enum { WelcomeMessageSize = sizeof( WelcomeMessage ) };
struct OnDemandPayloadMessage
{
uint64_t frames;
uint64_t currentTime;
};
enum { OnDemandPayloadMessageSize = sizeof( OnDemandPayloadMessage ) };
struct BroadcastMessage
{
uint16_t broadcastVersion;
uint16_t listenPort;
uint32_t protocolVersion;
int32_t activeTime; // in seconds
char programName[WelcomeMessageProgramNameSize];
};
enum { BroadcastMessageSize = sizeof( BroadcastMessage ) };
#pragma pack()
}
#endif