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// 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.
#ifndef NET_TOOLS_DUMP_CACHE_SIMPLE_CACHE_DUMPER_H_
#define NET_TOOLS_DUMP_CACHE_SIMPLE_CACHE_DUMPER_H_
#include "base/files/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread.h"
#include "net/base/completion_callback.h"
class DiskDumper;
namespace disk_cache {
class Backend;
class Entry;
} // namespace disk_cache
namespace net {
class IOBufferWithSize;
// A class for dumping the contents of a disk cache to a series of text
// files. The files will contain the response headers, followed by the
// response body, as if the HTTP response were written directly to disk.
class SimpleCacheDumper {
public:
SimpleCacheDumper(base::FilePath input_path, base::FilePath output_path);
~SimpleCacheDumper();
// Dumps the cache to disk. Returns OK if the operation was successful,
// and a net error code otherwise.
int Run();
private:
enum State {
STATE_NONE,
STATE_CREATE_CACHE,
STATE_CREATE_CACHE_COMPLETE,
STATE_OPEN_ENTRY,
STATE_OPEN_ENTRY_COMPLETE,
STATE_CREATE_ENTRY,
STATE_CREATE_ENTRY_COMPLETE,
STATE_READ_HEADERS,
STATE_READ_HEADERS_COMPLETE,
STATE_WRITE_HEADERS,
STATE_WRITE_HEADERS_COMPLETE,
STATE_READ_BODY,
STATE_READ_BODY_COMPLETE,
STATE_WRITE_BODY,
STATE_WRITE_BODY_COMPLETE,
STATE_DONE,
};
int DoLoop(int rv);
int DoCreateCache();
int DoCreateCacheComplete(int rv);
int DoOpenEntry();
int DoOpenEntryComplete(int rv);
int DoCreateEntry();
int DoCreateEntryComplete(int rv);
int DoReadHeaders();
int DoReadHeadersComplete(int rv);
int DoWriteHeaders();
int DoWriteHeadersComplete(int rv);
int DoReadBody();
int DoReadBodyComplete(int rv);
int DoWriteBody();
int DoWriteBodyComplete(int rv);
int DoDone();
void OnIOComplete(int rv);
State state_;
base::FilePath input_path_;
base::FilePath output_path_;
scoped_ptr<disk_cache::Backend> cache_;
scoped_ptr<DiskDumper> writer_;
base::Thread* cache_thread_;
void* iter_;
disk_cache::Entry* src_entry_;
disk_cache::Entry* dst_entry_;
CompletionCallback io_callback_;
scoped_refptr<IOBufferWithSize> buf_;
int rv_;
DISALLOW_COPY_AND_ASSIGN(SimpleCacheDumper);
};
} // namespace net
#endif // NET_TOOLS_DUMP_CACHE_SIMPLE_CACHE_DUMPER_H_
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