src/gallium/drivers/swr/rasterizer/codegen/templates/gen_ar_eventhandlerfile.hpp

   1 /****************************************************************************
   2 * Copyright (C) 2016 Intel Corporation.   All Rights Reserved.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
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   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice (including the next
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  13 * Software.
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  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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  22 *
  23 * @file ${filename}
  24 *
  25 * @brief Event handler interface.  auto-generated file
  26 *
  27 * DO NOT EDIT
  28 *
  29 * Generation Command Line:
  30 *  ${'\n*    '.join(cmdline)}
  31 *
  32 ******************************************************************************/
  33 #pragma once
  34
  35 #include "common/os.h"
  36 #include "${event_header}"
  37 #include <fstream>
  38 #include <sstream>
  39
  40 namespace ArchRast
  41 {
  42     //////////////////////////////////////////////////////////////////////////
  43     /// EventHandlerFile - interface for handling events.
  44     //////////////////////////////////////////////////////////////////////////
  45     class EventHandlerFile : public EventHandler
  46     {
  47     public:
  48         EventHandlerFile(uint32_t id)
  49         : mBufOffset(0)
  50         {
  51 #if defined(_WIN32)
  52             DWORD pid = GetCurrentProcessId();
  53             TCHAR procname[MAX_PATH];
  54             GetModuleFileName(NULL, procname, MAX_PATH);
  55             const char* pBaseName = strrchr(procname, '\\');
  56             std::stringstream outDir;
  57             outDir << KNOB_DEBUG_OUTPUT_DIR << pBaseName << "_" << pid << std::ends;
  58             CreateDirectory(outDir.str().c_str(), NULL);
  59
  60             char buf[255];
  61             // There could be multiple threads creating thread pools. We
  62             // want to make sure they are uniquly identified by adding in
  63             // the creator's thread id into the filename.
  64             sprintf(buf, "%s\\ar_event%d_%d.bin", outDir.str().c_str(), GetCurrentThreadId(), id);
  65             mFilename = std::string(buf);
  66 #else
  67             char buf[255];
  68             // There could be multiple threads creating thread pools. We
  69             // want to make sure they are uniquly identified by adding in
  70             // the creator's thread (process) id into the filename.
  71             // Assumes a 1:1 thread:LWP mapping as in linux.
  72             sprintf(buf, "%s/ar_event%d_%d.bin", "/tmp", GetCurrentProcessId(), id);
  73             mFilename = std::string(buf);
  74 #endif
  75         }
  76
  77         virtual ~EventHandlerFile()
  78         {
  79             FlushBuffer();
  80         }
  81
  82         //////////////////////////////////////////////////////////////////////////
  83         /// @brief Flush buffer to file.
  84         bool FlushBuffer()
  85         {
  86             if (mBufOffset > 0)
  87             {
  88                 if (mBufOffset == mHeaderBufOffset)
  89                 {
  90                     // Nothing to flush. Only header has been generated.
  91                     return false;
  92                 }
  93
  94                 std::ofstream file;
  95                 file.open(mFilename, std::ios::out | std::ios::app | std::ios::binary);
  96
  97                 if (!file.is_open())
  98                 {
  99                     SWR_INVALID("ArchRast: Could not open event file!");
 100                     return false;
 101                 }
 102
 103                 file.write((char*)mBuffer, mBufOffset);
 104                 file.close();
 105
 106                 mBufOffset = 0;
 107                 mHeaderBufOffset = 0; // Reset header offset so its no longer considered.
 108             }
 109             return true;
 110         }
 111
 112         //////////////////////////////////////////////////////////////////////////
 113         /// @brief Write event and its payload to the memory buffer.
 114         void Write(uint32_t eventId, const char* pBlock, uint32_t size)
 115         {
 116             if ((mBufOffset + size + sizeof(eventId)) > mBufferSize)
 117             {
 118                 if (!FlushBuffer())
 119                 {
 120                     // Don't corrupt what's already in the buffer?
 121                     /// @todo Maybe add corrupt marker to buffer here in case we can open file in future?
 122                     return;
 123                 }
 124             }
 125
 126             memcpy(&mBuffer[mBufOffset], (char*)&eventId, sizeof(eventId));
 127             mBufOffset += sizeof(eventId);
 128             memcpy(&mBuffer[mBufOffset], pBlock, size);
 129             mBufOffset += size;
 130         }
 131
 132 % for name in protos['event_names']:
 133         //////////////////////////////////////////////////////////////////////////
 134         /// @brief Handle ${name} event
 135         virtual void Handle(const ${name}& event)
 136         {
 137 % if protos['events'][name]['num_fields'] == 0:
 138             Write(${protos['events'][name]['event_id']}, (char*)&event.data, 0);
 139 % else:
 140             Write(${protos['events'][name]['event_id']}, (char*)&event.data, sizeof(event.data));
 141 %endif
 142         }
 143 % endfor
 144
 145         //////////////////////////////////////////////////////////////////////////
 146         /// @brief Everything written to buffer this point is the header.
 147         virtual void MarkHeader()
 148         {
 149             mHeaderBufOffset = mBufOffset;
 150         }
 151
 152         std::string mFilename;
 153
 154         static const uint32_t mBufferSize = 1024;
 155         uint8_t mBuffer[mBufferSize];
 156         uint32_t mBufOffset{0};
 157         uint32_t mHeaderBufOffset{0};
 158     };
 159 }