tracy/common/TracyProtocol.hpp
2020-02-25 23:12:31 +01:00

105 lines
2.3 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 = 27 };
enum : uint32_t { BroadcastVersion = 0 };
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 )
enum ServerQuery : uint8_t
{
ServerQueryTerminate,
ServerQueryString,
ServerQueryThreadString,
ServerQuerySourceLocation,
ServerQueryPlotName,
ServerQueryCallstackFrame,
ServerQueryFrameName,
ServerQueryDisconnect,
ServerQueryExternalName,
ServerQueryParameter
};
struct ServerQueryPacket
{
ServerQuery type;
uint64_t ptr;
};
enum { ServerQueryPacketSize = sizeof( ServerQueryPacket ) };
struct WelcomeMessage
{
double timerMul;
int64_t initBegin;
int64_t initEnd;
uint64_t delay;
uint64_t resolution;
uint64_t epoch;
uint64_t pid;
int64_t samplingPeriod;
uint8_t onDemand;
uint8_t isApple;
char programName[WelcomeMessageProgramNameSize];
char hostInfo[WelcomeMessageHostInfoSize];
};
enum { WelcomeMessageSize = sizeof( WelcomeMessage ) };
struct OnDemandPayloadMessage
{
uint64_t frames;
uint64_t currentTime;
};
enum { OnDemandPayloadMessageSize = sizeof( OnDemandPayloadMessage ) };
struct BroadcastMessage
{
uint32_t broadcastVersion;
uint32_t protocolVersion;
uint32_t activeTime; // in seconds
char programName[WelcomeMessageProgramNameSize];
};
enum { BroadcastMessageSize = sizeof( BroadcastMessage ) };
#pragma pack()
}
#endif