| // Copyright (c) 2012 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. |
| |
| // This command-line program dumps the contents of a set of cache files, either |
| // to stdout or to another set of cache files. |
| |
| #include <stdio.h> |
| #include <string> |
| |
| #include "base/at_exit.h" |
| #include "base/command_line.h" |
| #include "base/strings/string16.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "net/disk_cache/blockfile/disk_format.h" |
| #include "net/tools/dump_cache/dump_files.h" |
| #include "net/tools/dump_cache/simple_cache_dumper.h" |
| |
| enum Errors { |
| GENERIC = -1, |
| ALL_GOOD = 0, |
| INVALID_ARGUMENT = 1, |
| FILE_ACCESS_ERROR, |
| UNKNOWN_VERSION, |
| TOOL_NOT_FOUND, |
| }; |
| |
| // Folders to read and write cache files. |
| const char kInputPath[] = "input"; |
| const char kOutputPath[] = "output"; |
| |
| // Dumps the file headers to stdout. |
| const char kDumpHeaders[] = "dump-headers"; |
| |
| // Dumps all entries to stdout. |
| const char kDumpContents[] = "dump-contents"; |
| |
| // Convert the cache to files. |
| const char kDumpToFiles[] = "dump-to-files"; |
| |
| int Help() { |
| printf("warning: input files are modified by this tool\n"); |
| printf("dump_cache --input=path1 [--output=path2]\n"); |
| printf("--dump-headers: display file headers\n"); |
| printf("--dump-contents: display all entries\n"); |
| printf("--dump-to-files: write the contents of the cache to files\n"); |
| return INVALID_ARGUMENT; |
| } |
| |
| // ----------------------------------------------------------------------- |
| |
| int main(int argc, const char* argv[]) { |
| // Setup an AtExitManager so Singleton objects will be destroyed. |
| base::AtExitManager at_exit_manager; |
| |
| base::CommandLine::Init(argc, argv); |
| |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| base::FilePath input_path = command_line.GetSwitchValuePath(kInputPath); |
| if (input_path.empty()) |
| return Help(); |
| |
| bool dump_to_files = command_line.HasSwitch(kDumpToFiles); |
| |
| base::FilePath output_path = command_line.GetSwitchValuePath(kOutputPath); |
| if (dump_to_files && output_path.empty()) |
| return Help(); |
| |
| int version = GetMajorVersion(input_path); |
| if (!version) |
| return FILE_ACCESS_ERROR; |
| |
| if (dump_to_files) { |
| net::SimpleCacheDumper dumper(input_path, output_path); |
| dumper.Run(); |
| return ALL_GOOD; |
| } |
| |
| if (command_line.HasSwitch(kDumpContents)) |
| return DumpContents(input_path); |
| |
| if (command_line.HasSwitch(kDumpHeaders)) |
| return DumpHeaders(input_path); |
| |
| return Help(); |
| } |