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602 lines
24 KiB
C++
602 lines
24 KiB
C++
#ifndef __TRACYFILEREAD_HPP__
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#define __TRACYFILEREAD_HPP__
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#include <assert.h>
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#include <atomic>
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#include <algorithm>
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#include <condition_variable>
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#include <stdexcept>
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#include <stdio.h>
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#include <string.h>
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#include <string>
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#include <thread>
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#include <utility>
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#include <vector>
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#include <sys/stat.h>
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#ifdef _MSC_VER
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# define stat64 _stat64
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#endif
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#if defined __APPLE__ || defined __FreeBSD__
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# define stat64 stat
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#endif
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#include "TracyFileHeader.hpp"
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#include "TracyFileMeta.hpp"
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#include "TracyMmap.hpp"
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#include "../public/common/TracyYield.hpp"
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#include "../public/common/tracy_lz4.hpp"
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#include "../public/common/TracyForceInline.hpp"
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#include "../zstd/zstd.h"
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namespace tracy
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{
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struct NotTracyDump : public std::exception {};
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struct FileReadError : public std::exception {};
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class ReadStream
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{
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public:
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ReadStream( uint8_t type )
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: m_stream( nullptr )
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, m_streamZstd( nullptr )
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, m_buf( new char[FileBufSize] )
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, m_second( new char[FileBufSize] )
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{
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switch( type )
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{
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case 0:
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m_stream = LZ4_createStreamDecode();
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break;
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case 1:
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m_streamZstd = ZSTD_createDStream();
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break;
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default:
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assert( false );
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break;
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}
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}
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~ReadStream()
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{
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delete[] m_buf;
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delete[] m_second;
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if( m_stream ) LZ4_freeStreamDecode( m_stream );
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if( m_streamZstd ) ZSTD_freeDStream( m_streamZstd );
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}
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void Decompress( const char* src, uint32_t size )
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{
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std::swap( m_buf, m_second );
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if( m_stream )
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{
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m_size = (size_t)LZ4_decompress_safe_continue( m_stream, src, m_buf, size, FileBufSize );
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}
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else
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{
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ZSTD_outBuffer out = { m_buf, FileBufSize, 0 };
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ZSTD_inBuffer in = { src, size, 0 };
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ZSTD_decompressStream( m_streamZstd, &out, &in );
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m_size = out.pos;
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}
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}
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const char* GetBuffer() const { return m_buf; }
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size_t GetSize() const { return m_size; }
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private:
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LZ4_streamDecode_t* m_stream;
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ZSTD_DStream* m_streamZstd;
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char* m_buf;
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char* m_second;
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size_t m_size;
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};
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class FileRead
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{
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struct StreamHandle
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{
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StreamHandle( uint8_t type ) : stream( type ), outputReady( false ) {}
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ReadStream stream;
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const char* src;
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uint32_t size;
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bool inputReady = false;
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bool exit = false;
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alignas(64) std::atomic<bool> outputReady;
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std::mutex signalLock;
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std::condition_variable signal;
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std::thread thread;
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};
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public:
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static FileRead* Open( const char* fn )
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{
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auto f = fopen( fn, "rb" );
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return f ? new FileRead( f, fn ) : nullptr;
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}
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~FileRead()
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{
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for( auto& v : m_streams )
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{
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std::lock_guard lock( v->signalLock );
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v->exit = true;
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v->signal.notify_one();
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}
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for( auto& v : m_streams ) v->thread.join();
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m_streams.clear();
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if( m_data ) munmap( m_data, m_dataSize );
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}
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tracy_force_inline void Read( void* ptr, size_t size )
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{
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if( size <= FileBufSize - m_offset )
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{
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ReadSmall( ptr, size );
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}
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else
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{
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ReadBig( ptr, size );
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}
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}
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tracy_force_inline void Skip( size_t size )
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{
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if( size <= FileBufSize - m_offset )
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{
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m_offset += size;
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}
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else
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{
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SkipBig( size );
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}
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}
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template<class T>
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tracy_force_inline void Read( T& v )
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{
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if( sizeof( T ) <= FileBufSize - m_offset )
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{
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memcpy( &v, m_buf + m_offset, sizeof( T ) );
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m_offset += sizeof( T );
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}
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else
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{
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T tmp;
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ReadBig( &tmp, sizeof( T ) );
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memcpy( &v, &tmp, sizeof( T ) );
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}
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}
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template<class T, class U>
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tracy_force_inline void Read2( T& v0, U& v1 )
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{
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if( sizeof( T ) + sizeof( U ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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m_offset += sizeof( T ) + sizeof( U );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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}
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}
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template<class T, class U, class V>
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tracy_force_inline void Read3( T& v0, U& v1, V& v2 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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}
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}
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template<class T, class U, class V, class W>
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tracy_force_inline void Read4( T& v0, U& v1, V& v2, W& v3 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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}
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}
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template<class T, class U, class V, class W, class X>
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tracy_force_inline void Read5( T& v0, U& v1, V& v2, W& v3, X& v4 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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}
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}
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template<class T, class U, class V, class W, class X, class Y>
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tracy_force_inline void Read6( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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}
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}
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template<class T, class U, class V, class W, class X, class Y, class Z>
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tracy_force_inline void Read7( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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}
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}
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template<class T, class U, class V, class W, class X, class Y, class Z, class A>
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tracy_force_inline void Read8( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6, A& v7 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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memcpy( &v7, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ), sizeof( A ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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memcpy( &v7, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ), sizeof( A ) );
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}
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}
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template<class T, class U, class V, class W, class X, class Y, class Z, class A, class B>
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tracy_force_inline void Read9( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6, A& v7, B& v8 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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memcpy( &v7, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ), sizeof( A ) );
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memcpy( &v8, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ), sizeof( B ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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memcpy( &v7, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ), sizeof( A ) );
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memcpy( &v8, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ), sizeof( B ) );
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}
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}
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template<class T, class U, class V, class W, class X, class Y, class Z, class A, class B, class C>
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tracy_force_inline void Read10( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6, A& v7, B& v8, C& v9 )
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{
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if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ) + sizeof( C ) <= FileBufSize - m_offset )
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{
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memcpy( &v0, m_buf + m_offset, sizeof( T ) );
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memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
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memcpy( &v2, m_buf + m_offset + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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memcpy( &v7, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ), sizeof( A ) );
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memcpy( &v8, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ), sizeof( B ) );
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memcpy( &v9, m_buf + m_offset + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ), sizeof( C ) );
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m_offset += sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ) + sizeof( C );
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}
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else
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{
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char tmp[sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ) + sizeof( C )];
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ReadBig( tmp, sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ) + sizeof( C ) );
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memcpy( &v0, tmp, sizeof( T ) );
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memcpy( &v1, tmp + sizeof( T ), sizeof( U ) );
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memcpy( &v2, tmp + sizeof( T ) + sizeof( U ), sizeof( V ) );
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memcpy( &v3, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ), sizeof( W ) );
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memcpy( &v4, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ), sizeof( X ) );
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memcpy( &v5, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ), sizeof( Y ) );
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memcpy( &v6, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ), sizeof( Z ) );
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memcpy( &v7, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ), sizeof( A ) );
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memcpy( &v8, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ), sizeof( B ) );
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memcpy( &v9, tmp + sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) + sizeof( B ), sizeof( C ) );
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}
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}
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const std::string& GetFilename() const { return m_filename; }
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private:
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FileRead( FILE* f, const char* fn )
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: m_data( nullptr )
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, m_offset( 0 )
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, m_streamId( 0 )
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, m_filename( fn )
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{
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char hdr[4];
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if( fread( hdr, 1, sizeof( hdr ), f ) != sizeof( hdr ) )
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{
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fclose( f );
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throw NotTracyDump();
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}
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uint8_t streams = 1;
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uint8_t type;
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m_dataOffset = sizeof( hdr );
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if( memcmp( hdr, TracyHeader, sizeof( hdr ) ) == 0 )
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{
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if( fread( &type, 1, 1, f ) != 1 || type > 1 )
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{
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fclose( f );
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throw NotTracyDump();
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}
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if( fread( &streams, 1, 1, f ) != 1 )
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{
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fclose( f );
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throw NotTracyDump();
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}
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m_dataOffset += 2;
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}
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else if( memcmp( hdr, Lz4Header, sizeof( hdr ) ) == 0 )
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{
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type = 0;
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}
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else if( memcmp( hdr, ZstdHeader, sizeof( hdr ) ) == 0 )
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{
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type = 1;
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}
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else
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{
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fclose( f );
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throw NotTracyDump();
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}
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struct stat64 buf;
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if( stat64( fn, &buf ) == 0 )
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{
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m_dataSize = buf.st_size;
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}
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else
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{
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fclose( f );
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throw FileReadError();
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}
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m_data = (char*)mmap( nullptr, m_dataSize, PROT_READ, MAP_SHARED, fileno( f ), 0 );
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fclose( f );
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if( !m_data )
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{
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throw FileReadError();
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}
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for( int i=0; i<(int)streams; i++ )
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{
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if( m_dataOffset == m_dataSize ) break;
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const auto sz = ReadBlockSize();
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auto uptr = std::make_unique<StreamHandle>( type );
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uptr->src = m_data + m_dataOffset;
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uptr->size = sz;
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uptr->inputReady = true;
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uptr->thread = std::thread( [ptr = uptr.get()] { Worker( ptr ); } );
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m_streams.emplace_back( std::move( uptr ) );
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m_dataOffset += sz;
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}
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GetNextDataBlock();
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}
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tracy_force_inline uint32_t ReadBlockSize()
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{
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uint32_t sz;
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memcpy( &sz, m_data + m_dataOffset, sizeof( sz ) );
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m_dataOffset += sizeof( sz );
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return sz;
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}
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static void Worker( StreamHandle* hnd )
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{
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for(;;)
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{
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std::unique_lock lock( hnd->signalLock );
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hnd->signal.wait( lock, [&] { return hnd->inputReady || hnd->exit; } );
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if( hnd->exit ) return;
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lock.unlock();
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hnd->stream.Decompress( hnd->src, hnd->size );
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hnd->inputReady = false;
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hnd->outputReady.store( true, std::memory_order_release );
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}
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}
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tracy_force_inline void ReadSmall( void* ptr, size_t size )
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{
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memcpy( ptr, m_buf + m_offset, size );
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m_offset += size;
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}
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void ReadBig( void* ptr, size_t size )
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{
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assert( size > 0 );
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auto dst = (char*)ptr;
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do
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{
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size_t sz;
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if( m_offset == FileBufSize )
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{
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sz = std::min<size_t>( size, FileBufSize );
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GetNextDataBlock();
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memcpy( dst, m_buf, sz );
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m_offset = sz;
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}
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else
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{
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sz = std::min( size, FileBufSize - m_offset );
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memcpy( dst, m_buf + m_offset, sz );
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m_offset += sz;
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}
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dst += sz;
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size -= sz;
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}
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while( size > 0 );
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}
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void SkipBig( size_t size )
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{
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while( size > 0 )
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{
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if( m_offset == FileBufSize ) GetNextDataBlock();
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const auto sz = std::min( size, FileBufSize - m_offset );
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m_offset += sz;
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size -= sz;
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}
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}
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void GetNextDataBlock()
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{
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auto& hnd = *m_streams[m_streamId];
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while( hnd.outputReady.load( std::memory_order_acquire ) == false ) { YieldThread(); }
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hnd.outputReady.store( false, std::memory_order_relaxed );
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m_buf = hnd.stream.GetBuffer();
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m_offset = 0;
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if( m_dataOffset < m_dataSize )
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{
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const auto sz = ReadBlockSize();
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std::unique_lock lock( hnd.signalLock );
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hnd.src = m_data + m_dataOffset;
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hnd.size = sz;
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hnd.inputReady = true;
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hnd.signal.notify_one();
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lock.unlock();
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m_dataOffset += sz;
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}
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m_streamId = ( m_streamId + 1 ) % m_streams.size();
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}
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char* m_data;
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const char* m_buf;
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uint64_t m_dataSize;
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uint64_t m_dataOffset;
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size_t m_offset;
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int m_streamId;
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std::string m_filename;
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std::vector<std::unique_ptr<StreamHandle>> m_streams;
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};
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}
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#endif
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