Split net/spdy into core and chromium subdirectories.

net/spdy/fuzzing/hpack_example_generator.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/at_exit.h"
-#include "base/command_line.h"
-#include "base/files/file.h"
-#include "base/files/file_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "net/spdy/fuzzing/hpack_fuzz_util.h"
-#include "net/spdy/hpack/hpack_constants.h"
-#include "net/spdy/hpack/hpack_encoder.h"
-#include "net/spdy/platform/api/spdy_string.h"
-#include "net/spdy/spdy_protocol.h"
-
-namespace {
-
-// Target file for generated HPACK header sets.
-const char kFileToWrite[] = "file-to-write";
-
-// Number of header sets to generate.
-const char kExampleCount[] = "example-count";
-
-}  // namespace
-
-using net::HpackFuzzUtil;
-using net::SpdyString;
-using std::map;
-
-// Generates a configurable number of header sets (using HpackFuzzUtil), and
-// sequentially encodes each header set with an HpackEncoder. Encoded header
-// sets are written to the output file in length-prefixed blocks.
-int main(int argc, char** argv) {
-  base::AtExitManager exit_manager;
-
-  base::CommandLine::Init(argc, argv);
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
-
-  if (!command_line.HasSwitch(kFileToWrite) ||
-      !command_line.HasSwitch(kExampleCount)) {
-    LOG(ERROR) << "Usage: " << argv[0]
-               << " --" << kFileToWrite << "=/path/to/file.out"
-               << " --" << kExampleCount << "=1000";
-    return -1;
-  }
-  SpdyString file_to_write = command_line.GetSwitchValueASCII(kFileToWrite);
-
-  int example_count = 0;
-  base::StringToInt(command_line.GetSwitchValueASCII(kExampleCount),
-                    &example_count);
-
-  DVLOG(1) << "Writing output to " << file_to_write;
-  base::File file_out(base::FilePath::FromUTF8Unsafe(file_to_write),
-                      base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
-  CHECK(file_out.IsValid()) << file_out.error_details();
-
-  HpackFuzzUtil::GeneratorContext context;
-  HpackFuzzUtil::InitializeGeneratorContext(&context);
-  net::HpackEncoder encoder(net::ObtainHpackHuffmanTable());
-
-  for (int i = 0; i != example_count; ++i) {
-    net::SpdyHeaderBlock headers =
-        HpackFuzzUtil::NextGeneratedHeaderSet(&context);
-
-    SpdyString buffer;
-    CHECK(encoder.EncodeHeaderSet(headers, &buffer));
-
-    SpdyString prefix = HpackFuzzUtil::HeaderBlockPrefix(buffer.size());
-
-    CHECK_LT(0, file_out.WriteAtCurrentPos(prefix.data(), prefix.size()));
-    CHECK_LT(0, file_out.WriteAtCurrentPos(buffer.data(), buffer.size()));
-  }
-  CHECK(file_out.Flush());
-  DVLOG(1) << "Generated " << example_count << " blocks.";
-  return 0;
-}