| OLD | NEW |
| (Empty) |
| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/at_exit.h" | |
| 6 #include "base/command_line.h" | |
| 7 #include "base/files/file.h" | |
| 8 #include "base/files/file_util.h" | |
| 9 #include "base/strings/string_number_conversions.h" | |
| 10 #include "net/spdy/fuzzing/hpack_fuzz_util.h" | |
| 11 #include "net/spdy/hpack_constants.h" | |
| 12 #include "net/spdy/hpack_encoder.h" | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 // Target file for generated HPACK header sets. | |
| 17 const char kFileToWrite[] = "file-to-write"; | |
| 18 | |
| 19 // Number of header sets to generate. | |
| 20 const char kExampleCount[] = "example-count"; | |
| 21 | |
| 22 } // namespace | |
| 23 | |
| 24 using net::HpackFuzzUtil; | |
| 25 using std::map; | |
| 26 using std::string; | |
| 27 | |
| 28 // Generates a configurable number of header sets (using HpackFuzzUtil), and | |
| 29 // sequentially encodes each header set with an HpackEncoder. Encoded header | |
| 30 // sets are written to the output file in length-prefixed blocks. | |
| 31 int main(int argc, char** argv) { | |
| 32 base::AtExitManager exit_manager; | |
| 33 | |
| 34 base::CommandLine::Init(argc, argv); | |
| 35 const base::CommandLine& command_line = | |
| 36 *base::CommandLine::ForCurrentProcess(); | |
| 37 | |
| 38 if (!command_line.HasSwitch(kFileToWrite) || | |
| 39 !command_line.HasSwitch(kExampleCount)) { | |
| 40 LOG(ERROR) << "Usage: " << argv[0] | |
| 41 << " --" << kFileToWrite << "=/path/to/file.out" | |
| 42 << " --" << kExampleCount << "=1000"; | |
| 43 return -1; | |
| 44 } | |
| 45 string file_to_write = command_line.GetSwitchValueASCII(kFileToWrite); | |
| 46 | |
| 47 int example_count = 0; | |
| 48 base::StringToInt(command_line.GetSwitchValueASCII(kExampleCount), | |
| 49 &example_count); | |
| 50 | |
| 51 DVLOG(1) << "Writing output to " << file_to_write; | |
| 52 base::File file_out(base::FilePath::FromUTF8Unsafe(file_to_write), | |
| 53 base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE); | |
| 54 CHECK(file_out.IsValid()) << file_out.error_details(); | |
| 55 | |
| 56 HpackFuzzUtil::GeneratorContext context; | |
| 57 HpackFuzzUtil::InitializeGeneratorContext(&context); | |
| 58 net::HpackEncoder encoder(net::ObtainHpackHuffmanTable()); | |
| 59 | |
| 60 for (int i = 0; i != example_count; ++i) { | |
| 61 map<string, string> headers = | |
| 62 HpackFuzzUtil::NextGeneratedHeaderSet(&context); | |
| 63 | |
| 64 string buffer; | |
| 65 CHECK(encoder.EncodeHeaderSet(headers, &buffer)); | |
| 66 | |
| 67 string prefix = HpackFuzzUtil::HeaderBlockPrefix(buffer.size()); | |
| 68 | |
| 69 CHECK_LT(0, file_out.WriteAtCurrentPos(prefix.data(), prefix.size())); | |
| 70 CHECK_LT(0, file_out.WriteAtCurrentPos(buffer.data(), buffer.size())); | |
| 71 } | |
| 72 CHECK(file_out.Flush()); | |
| 73 DVLOG(1) << "Generated " << example_count << " blocks."; | |
| 74 return 0; | |
| 75 } | |
| OLD | NEW |