1/****************************************************************************
2**
3** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Rafael Roquetto <rafael.roquetto@kdab.com>
4** Contact: https://www.qt.io/licensing/
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6** This file is part of the tools applications of the Qt Toolkit.
7**
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17** GNU Lesser General Public License Usage
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22** ensure the GNU Lesser General Public License version 3 requirements
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25** GNU General Public License Usage
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38****************************************************************************/
39
40#include "provider.h"
41#include "lttng.h"
42#include "etw.h"
43#include "panic.h"
44
45#include <qstring.h>
46#include <qfile.h>
47
48enum class Target
49{
50 LTTNG,
51 ETW
52};
53
54static inline void usage(int status)
55{
56 printf("Usage: tracegen <lttng|etw> <input file> <output file>\n");
57 exit(status);
58}
59
60static void parseArgs(int argc, char *argv[], Target *target, QString *inFile, QString *outFile)
61{
62 if (argc == 1)
63 usage(EXIT_SUCCESS);
64 if (argc != 4)
65 usage(EXIT_FAILURE);
66
67 const char *targetString = argv[1];
68
69 if (qstrcmp(targetString, "lttng") == 0) {
70 *target = Target::LTTNG;
71 } else if (qstrcmp(targetString, "etw") == 0) {
72 *target = Target::ETW;
73 } else {
74 fprintf(stderr, "Invalid target: %s\n", targetString);
75 usage(EXIT_FAILURE);
76 }
77
78 *inFile = QLatin1String(argv[2]);
79 *outFile = QLatin1String(argv[3]);
80}
81
82int main(int argc, char *argv[])
83{
84 Target target = Target::LTTNG;
85 QString inFile;
86 QString outFile;
87
88 parseArgs(argc, argv, &target, &inFile, &outFile);
89
90 Provider p = parseProvider(inFile);
91
92 QFile out(outFile);
93
94 if (!out.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
95 panic("Cannot open '%s' for writing: %s",
96 qPrintable(outFile), qPrintable(out.errorString()));
97 }
98
99 switch (target) {
100 case Target::LTTNG:
101 writeLttng(out, p);
102 break;
103 case Target::ETW:
104 writeEtw(out, p);
105 break;
106 }
107
108 return 0;
109}
110