1/****************************************************************************
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3** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Rafael Roquetto <rafael.roquetto@kdab.com>
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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(format: "Usage: tracegen <lttng|etw> <input file> <output file>\n");
57 exit(status: 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(str1: targetString, str2: "lttng") == 0) {
70 *target = Target::LTTNG;
71 } else if (qstrcmp(str1: targetString, str2: "etw") == 0) {
72 *target = Target::ETW;
73 } else {
74 fprintf(stderr, format: "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: &target, inFile: &inFile, outFile: &outFile);
89
90 Provider p = parseProvider(filename: inFile);
91
92 QFile out(outFile);
93
94 if (!out.open(flags: QIODevice::WriteOnly | QIODevice::Truncate)) {
95 panic(fmt: "Cannot open '%s' for writing: %s",
96 qPrintable(outFile), qPrintable(out.errorString()));
97 }
98
99 switch (target) {
100 case Target::LTTNG:
101 writeLttng(device&: out, p);
102 break;
103 case Target::ETW:
104 writeEtw(device&: out, p);
105 break;
106 }
107
108 return 0;
109}
110

source code of qtbase/src/tools/tracegen/tracegen.cpp