| // 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 "net/disk_cache/blockfile/disk_format.h" |
| #include "net/tools/dump_cache/dump_files.h" |
| |
| enum Errors { |
| GENERIC = -1, |
| ALL_GOOD = 0, |
| INVALID_ARGUMENT = 1, |
| FILE_ACCESS_ERROR, |
| UNKNOWN_VERSION, |
| TOOL_NOT_FOUND, |
| }; |
| |
| // Dumps the file headers to stdout. |
| const char kDumpHeaders[] = "dump-headers"; |
| |
| // Dumps all entries to stdout. |
| const char kDumpContents[] = "dump-contents"; |
| |
| // Dumps the LRU lists(s). |
| const char kDumpLists[] = "dump-lists"; |
| |
| // Dumps the entry at the given address (see kDumpAt). |
| const char kDumpEntry[] = "dump-entry"; |
| |
| // The cache address to dump. |
| const char kDumpAt[] = "at"; |
| |
| // Dumps the allocation bitmap of a file (see kDumpFile). |
| const char kDumpAllocation[] = "dump-allocation"; |
| |
| // The file to look at. |
| const char kDumpFile[] = "file"; |
| |
| int Help() { |
| printf("dump_cache path_to_files [options]\n"); |
| printf("Dumps internal cache structures.\n"); |
| printf("warning: input files may be modified by this tool\n\n"); |
| printf("--dump-headers: show file headers\n"); |
| printf("--dump-contents [-v] [--full-key] [--csv]: list all entries\n"); |
| printf("--dump-lists: follow the LRU list(s)\n"); |
| printf( |
| "--dump-entry [-v] [--full-key] --at=0xf00: show the data stored at" |
| " 0xf00\n"); |
| printf( |
| "--dump-allocation --file=data_0: show the allocation bitmap of" |
| " data_0\n"); |
| printf("--csv: dump in a comma-separated-values format\n"); |
| printf( |
| "--full-key: show up to 160 chars for the key. Use either -v or the" |
| " key address for longer keys\n"); |
| printf("-v: detailed output (verbose)\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::CommandLine::StringVector args = command_line.GetArgs(); |
| if (args.size() != 1) |
| return Help(); |
| |
| base::FilePath input_path(args[0]); |
| if (input_path.empty()) |
| return Help(); |
| |
| int version = GetMajorVersion(input_path); |
| if (version != 2) |
| return FILE_ACCESS_ERROR; |
| |
| if (command_line.HasSwitch(kDumpContents)) |
| return DumpContents(input_path); |
| |
| if (command_line.HasSwitch(kDumpLists)) |
| return DumpLists(input_path); |
| |
| if (command_line.HasSwitch(kDumpEntry) && command_line.HasSwitch(kDumpAt)) |
| return DumpEntryAt(input_path, command_line.GetSwitchValueASCII(kDumpAt)); |
| |
| if (command_line.HasSwitch(kDumpAllocation) && |
| command_line.HasSwitch(kDumpFile)) { |
| base::FilePath name = |
| input_path.AppendASCII(command_line.GetSwitchValueASCII(kDumpFile)); |
| return DumpAllocation(name); |
| } |
| |
| if (command_line.HasSwitch(kDumpHeaders)) |
| return DumpHeaders(input_path); |
| |
| return Help(); |
| } |