1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/****************************************************************************
* Copyright (C) 2016 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* @file ${filename}
*
* @brief Event handler interface. auto-generated file
*
* DO NOT EDIT
*
******************************************************************************/
#pragma once
#include "common/os.h"
#include "${event_header}"
#include <fstream>
#include <sstream>
namespace ArchRast
{
//////////////////////////////////////////////////////////////////////////
/// EventHandlerFile - interface for handling events.
//////////////////////////////////////////////////////////////////////////
class EventHandlerFile : public EventHandler
{
public:
EventHandlerFile(uint32_t id)
: mBufOffset(0)
{
#if defined(_WIN32)
DWORD pid = GetCurrentProcessId();
TCHAR procname[MAX_PATH];
GetModuleFileName(NULL, procname, MAX_PATH);
const char* pBaseName = strrchr(procname, '\\');
std::stringstream outDir;
outDir << KNOB_DEBUG_OUTPUT_DIR << pBaseName << "_" << pid << std::ends;
CreateDirectory(outDir.str().c_str(), NULL);
char buf[255];
// There could be multiple threads creating thread pools. We
// want to make sure they are uniquly identified by adding in
// the creator's thread id into the filename.
sprintf(buf, "%s\\ar_event%d_%d.bin", outDir.str().c_str(), GetCurrentThreadId(), id);
mFilename = std::string(buf);
#else
char buf[255];
// There could be multiple threads creating thread pools. We
// want to make sure they are uniquly identified by adding in
// the creator's thread id into the filename.
sprintf(buf, "%s/ar_event%d_%d.bin", "/tmp", GetCurrentThreadId(), id);
mFilename = std::string(buf);
#endif
}
virtual ~EventHandlerFile()
{
FlushBuffer();
}
//////////////////////////////////////////////////////////////////////////
/// @brief Flush buffer to file.
bool FlushBuffer()
{
if (mBufOffset > 0)
{
if (mBufOffset == mHeaderBufOffset)
{
// Nothing to flush. Only header has been generated.
return false;
}
std::ofstream file;
file.open(mFilename, std::ios::out | std::ios::app | std::ios::binary);
if (!file.is_open())
{
SWR_INVALID("ArchRast: Could not open event file!");
return false;
}
file.write((char*)mBuffer, mBufOffset);
file.close();
mBufOffset = 0;
mHeaderBufOffset = 0; // Reset header offset so its no longer considered.
}
return true;
}
//////////////////////////////////////////////////////////////////////////
/// @brief Write event and its payload to the memory buffer.
void Write(uint32_t eventId, const char* pBlock, uint32_t size)
{
if ((mBufOffset + size + sizeof(eventId)) > mBufferSize)
{
if (!FlushBuffer())
{
// Don't corrupt what's already in the buffer?
/// @todo Maybe add corrupt marker to buffer here in case we can open file in future?
return;
}
}
memcpy(&mBuffer[mBufOffset], (char*)&eventId, sizeof(eventId));
mBufOffset += sizeof(eventId);
memcpy(&mBuffer[mBufOffset], pBlock, size);
mBufOffset += size;
}
% for name in protos['event_names']:
//////////////////////////////////////////////////////////////////////////
/// @brief Handle ${name} event
virtual void Handle(const ${name}& event)
{
% if protos['events'][name]['num_fields'] == 0:
Write(${protos['events'][name]['event_id']}, (char*)&event.data, 0);
% else:
Write(${protos['events'][name]['event_id']}, (char*)&event.data, sizeof(event.data));
%endif
}
% endfor
//////////////////////////////////////////////////////////////////////////
/// @brief Everything written to buffer this point is the header.
virtual void MarkHeader()
{
mHeaderBufOffset = mBufOffset;
}
std::string mFilename;
static const uint32_t mBufferSize = 1024;
uint8_t mBuffer[mBufferSize];
uint32_t mBufOffset{0};
uint32_t mHeaderBufOffset{0};
};
}
|
