1 /*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stdio.h>
18 #include <string.h>
19
20 #include "perfetto/ext/base/file_utils.h"
21 #include "src/trace_config_utils/pb_to_txt.h"
22 #include "src/trace_config_utils/txt_to_pb.h"
23
24 namespace {
PrintUsage(const char * argv0)25 void PrintUsage(const char* argv0) {
26 printf(R"(
27 Converts a TraceConfig from pbtxt to proto-encoded bytes and viceversa
28
29 Usage: %s txt_to_pb | pb_to_txt < in > out
30 )",
31 argv0);
32 }
33
34 } // namespace
35
main(int argc,char ** argv)36 int main(int argc, char** argv) {
37 using namespace ::perfetto;
38
39 if (argc < 2) {
40 PrintUsage(argv[0]);
41 return 1;
42 }
43
44 const char* cmd = argv[1];
45 std::string in_data;
46 if (argc == 2) {
47 base::ReadFileStream(stdin, &in_data);
48 } else {
49 bool ok = base::ReadFile(argv[2], &in_data);
50 if (!ok) {
51 printf("Failed to open input file %s\n", argv[2]);
52 return 1;
53 }
54 }
55
56 if (strcmp(cmd, "txt_to_pb") == 0) {
57 base::StatusOr<std::vector<uint8_t>> res = TraceConfigTxtToPb(in_data);
58 if (!res.ok()) {
59 printf("%s\n", res.status().c_message());
60 return 1;
61 }
62 fwrite(res->data(), res->size(), 1, stdout);
63 return 0;
64 }
65
66 if (strcmp(cmd, "pb_to_txt") == 0) {
67 std::string txt = TraceConfigPbToTxt(in_data.data(), in_data.size());
68 printf("%s\n", txt.c_str());
69 return 0;
70 }
71
72 PrintUsage(argv[0]);
73 return 1;
74 }
75