fix: breakpad use miniz

third_party/tracy/server/TracyFileWrite.hpp

@@ -0,0 +1,303 @@
+#ifndef __TRACYFILEWRITE_HPP__
+#define __TRACYFILEWRITE_HPP__
+
+#ifdef _MSC_VER
+#  pragma warning( disable: 4267 )  // conversion from don't care to whatever, possible loss of data 
+#endif
+
+#include <algorithm>
+#include <assert.h>
+#include <condition_variable>
+#include <mutex>
+#include <stdio.h>
+#include <string.h>
+#include <thread>
+#include <utility>
+#include <vector>
+#include <zstd.h>
+
+#include "TracyFileHeader.hpp"
+#include "TracyFileMeta.hpp"
+#include "../public/common/tracy_lz4.hpp"
+#include "../public/common/tracy_lz4hc.hpp"
+#include "../public/common/TracyForceInline.hpp"
+
+namespace tracy
+{
+
+enum class FileCompression
+{
+    Fast,
+    Slow,
+    Extreme,
+    Zstd
+};
+
+class WriteStream
+{
+public:
+    WriteStream( FileCompression comp, int level )
+        : m_stream( nullptr )
+        , m_streamHC( nullptr )
+        , m_streamZstd( nullptr )
+        , m_buf( new char[FileBufSize] )
+        , m_second( new char[FileBufSize] )
+        , m_compressed( new char[FileBoundSize] )
+    {
+        switch( comp )
+        {
+        case FileCompression::Fast:
+            m_stream = LZ4_createStream();
+            break;
+        case FileCompression::Slow:
+            m_streamHC = LZ4_createStreamHC();
+            break;
+        case FileCompression::Extreme:
+            m_streamHC = LZ4_createStreamHC();
+            LZ4_resetStreamHC( m_streamHC, LZ4HC_CLEVEL_MAX );
+            break;
+        case FileCompression::Zstd:
+            m_streamZstd = ZSTD_createCStream();
+            ZSTD_CCtx_setParameter( m_streamZstd, ZSTD_c_compressionLevel, level );
+            ZSTD_CCtx_setParameter( m_streamZstd, ZSTD_c_contentSizeFlag, 0 );
+            break;
+        default:
+            assert( false );
+            break;
+        }
+    }
+
+    ~WriteStream()
+    {
+        delete[] m_buf;
+        delete[] m_second;
+        delete[] m_compressed;
+
+        if( m_stream ) LZ4_freeStream( m_stream );
+        if( m_streamHC ) LZ4_freeStreamHC( m_streamHC );
+        if( m_streamZstd ) ZSTD_freeCStream( m_streamZstd );
+    }
+
+    char* GetInputBuffer() { return m_buf; }
+    const char* GetCompressedData() const { return m_compressed; }
+    uint32_t GetSize() const { return m_size; }
+
+    void Compress( uint32_t sz )
+    {
+        if( m_stream )
+        {
+            m_size = LZ4_compress_fast_continue( m_stream, m_buf, m_compressed, sz, FileBoundSize, 1 );
+        }
+        else if( m_streamZstd )
+        {
+            ZSTD_outBuffer out = { m_compressed, FileBoundSize, 0 };
+            ZSTD_inBuffer in = { m_buf, sz, 0 };
+            const auto ret = ZSTD_compressStream2( m_streamZstd, &out, &in, ZSTD_e_flush );
+            assert( ret == 0 );
+            m_size = out.pos;
+        }
+        else
+        {
+            m_size = LZ4_compress_HC_continue( m_streamHC, m_buf, m_compressed, sz, FileBoundSize );
+        }
+
+        std::swap( m_buf, m_second );
+    }
+
+private:
+    LZ4_stream_t* m_stream;
+    LZ4_streamHC_t* m_streamHC;
+    ZSTD_CStream* m_streamZstd;
+
+    char* m_buf;
+    char* m_second;
+    char* m_compressed;
+    uint32_t m_size;
+};
+
+class FileWrite
+{
+    struct StreamHandle
+    {
+        StreamHandle( FileCompression comp, int level ) : stream( comp, level ) {}
+
+        WriteStream stream;
+        uint32_t size;
+
+        bool inputReady = false;
+        bool outputReady = false;
+        bool exit = false;
+
+        std::mutex signalLock;
+        std::condition_variable signal;
+
+        std::thread thread;
+    };
+
+public:
+    static FileWrite* Open( const char* fn, FileCompression comp = FileCompression::Fast, int level = 1, int streams = -1 )
+    {
+        auto f = fopen( fn, "wb" );
+        if( !f ) return nullptr;
+        if( streams <= 0 ) streams = std::max<int>( 1, std::thread::hardware_concurrency() );
+        if( streams > 255 ) streams = 255;
+        return new FileWrite( f, comp, level, streams );
+    }
+
+    ~FileWrite()
+    {
+        Finish();
+        fclose( m_file );
+    }
+
+    void Finish()
+    {
+        if( m_offset > 0 ) WriteBlock();
+        while( m_streamPending > 0 ) ProcessPending();
+        for( auto& v : m_streams )
+        {
+            std::lock_guard lock( v->signalLock );
+            v->exit = true;
+            v->signal.notify_one();
+        }
+        for( auto& v : m_streams ) v->thread.join();
+        m_streams.clear();
+    }
+
+    tracy_force_inline void Write( const void* ptr, size_t size )
+    {
+        if( m_offset + size <= FileBufSize )
+        {
+            WriteSmall( ptr, size );
+        }
+        else
+        {
+            WriteBig( ptr, size );
+        }
+    }
+
+    std::pair<size_t, size_t> GetCompressionStatistics() const { return std::make_pair( m_srcBytes, m_dstBytes ); }
+
+private:
+    FileWrite( FILE* f, FileCompression comp, int level, int streams )
+        : m_offset( 0 )
+        , m_file( f )
+        , m_srcBytes( 0 )
+        , m_dstBytes( 0 )
+    {
+        assert( streams > 0 );
+        assert( streams < 256 );
+
+        fwrite( TracyHeader, 1, sizeof( TracyHeader ), m_file );
+        uint8_t u8 = comp == FileCompression::Zstd ? 1 : 0;
+        fwrite( &u8, 1, 1, m_file );
+        u8 = streams;
+        fwrite( &u8, 1, 1, m_file );
+
+        m_streams.reserve( streams );
+        for( int i=0; i<streams; i++ )
+        {
+            auto uptr = std::make_unique<StreamHandle>( comp, level );
+            uptr->thread = std::thread( [ptr = uptr.get()]{ Worker( ptr ); } );
+            m_streams.emplace_back( std::move( uptr ) );
+        }
+
+        m_buf = m_streams[m_streamId]->stream.GetInputBuffer();
+    }
+
+    tracy_force_inline void WriteSmall( const void* ptr, size_t size )
+    {
+        memcpy( m_buf + m_offset, ptr, size );
+        m_offset += size;
+    }
+
+    void WriteBig( const void* ptr, size_t size )
+    {
+        auto src = (const char*)ptr;
+        while( size > 0 )
+        {
+            const auto sz = std::min( size, FileBufSize - m_offset );
+            memcpy( m_buf + m_offset, src, sz );
+            m_offset += sz;
+            src += sz;
+            size -= sz;
+
+            if( m_offset == FileBufSize )
+            {
+                WriteBlock();
+            }
+        }
+    }
+
+    void WriteBlock()
+    {
+        m_srcBytes += m_offset;
+
+        auto& hnd = *m_streams[m_streamId];
+        assert( hnd.stream.GetInputBuffer() == m_buf );
+
+        std::unique_lock lock( hnd.signalLock );
+        hnd.inputReady = true;
+        hnd.size = m_offset;
+        hnd.signal.notify_one();
+        lock.unlock();
+
+        m_streamPending++;
+        m_streamId = ( m_streamId + 1 ) % m_streams.size();
+        if( m_streamPending == m_streams.size() ) ProcessPending();
+
+        m_offset = 0;
+        m_buf = m_streams[m_streamId]->stream.GetInputBuffer();
+    }
+
+    void ProcessPending()
+    {
+        assert( m_streamPending > 0 );
+        int id = ( m_streamId + m_streams.size() - m_streamPending ) % m_streams.size();
+        m_streamPending--;
+        auto& hnd = *m_streams[id];
+
+        std::unique_lock lock( hnd.signalLock );
+        hnd.signal.wait( lock, [&hnd]{ return hnd.outputReady; } );
+        lock.unlock();
+
+        hnd.outputReady = false;
+        const uint32_t size = hnd.stream.GetSize();
+        m_dstBytes += size;
+        fwrite( &size, 1, sizeof( size ), m_file );
+        fwrite( hnd.stream.GetCompressedData(), 1, size, m_file );
+    }
+
+    static void Worker( StreamHandle* hnd )
+    {
+        std::unique_lock lock( hnd->signalLock );
+        for(;;)
+        {
+            hnd->signal.wait( lock, [&hnd]{ return hnd->inputReady || hnd->exit; } );
+            if( hnd->exit ) return;
+            lock.unlock();
+
+            hnd->stream.Compress( hnd->size );
+            hnd->inputReady = false;
+
+            lock.lock();
+            hnd->outputReady = true;
+            hnd->signal.notify_one();
+        }
+    }
+
+    char* m_buf;
+    size_t m_offset;
+
+    int m_streamId = 0;
+    int m_streamPending = 0;
+    std::vector<std::unique_ptr<StreamHandle>> m_streams;
+    FILE* m_file;
+
+    size_t m_srcBytes;
+    size_t m_dstBytes;
+};
+
+}
+
+#endif