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Unified Diff: net/http/disk_cache_based_quic_server_info.h

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/http/disk_cache_based_quic_server_info.h
diff --git a/net/http/disk_cache_based_quic_server_info.h b/net/http/disk_cache_based_quic_server_info.h
deleted file mode 100644
index 3076f3aa496893e7163349c9b4c5ca7ff2aa20a4..0000000000000000000000000000000000000000
--- a/net/http/disk_cache_based_quic_server_info.h
+++ /dev/null
@@ -1,163 +0,0 @@
-// 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.
-
-#ifndef NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
-#define NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
-
-#include <string>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
-#include "base/time/time.h"
-#include "net/base/completion_callback.h"
-#include "net/disk_cache/disk_cache.h"
-#include "net/quic/crypto/quic_server_info.h"
-
-namespace net {
-
-class HttpCache;
-class IOBuffer;
-class QuicServerId;
-
-// DiskCacheBasedQuicServerInfo fetches information about a QUIC server from
-// our standard disk cache. Since the information is defined to be
-// non-sensitive, it's ok for us to keep it on disk.
-class NET_EXPORT_PRIVATE DiskCacheBasedQuicServerInfo
- : public QuicServerInfo,
- public NON_EXPORTED_BASE(base::NonThreadSafe) {
- public:
- DiskCacheBasedQuicServerInfo(const QuicServerId& server_id,
- HttpCache* http_cache);
-
- // QuicServerInfo implementation.
- void Start() override;
- int WaitForDataReady(const CompletionCallback& callback) override;
- void ResetWaitForDataReadyCallback() override;
- void CancelWaitForDataReadyCallback() override;
- bool IsDataReady() override;
- bool IsReadyToPersist() override;
- void Persist() override;
- void OnExternalCacheHit() override;
-
- private:
- struct CacheOperationDataShim;
-
- enum State {
- GET_BACKEND,
- GET_BACKEND_COMPLETE,
- OPEN,
- OPEN_COMPLETE,
- READ,
- READ_COMPLETE,
- WAIT_FOR_DATA_READY_DONE,
- CREATE_OR_OPEN,
- CREATE_OR_OPEN_COMPLETE,
- WRITE,
- WRITE_COMPLETE,
- SET_DONE,
- NONE,
- };
-
- // Enum to track number of times data read/parse/write API calls of
- // QuicServerInfo to and from disk cache is called.
- enum QuicServerInfoAPICall {
- QUIC_SERVER_INFO_START = 0,
- QUIC_SERVER_INFO_WAIT_FOR_DATA_READY = 1,
- QUIC_SERVER_INFO_PARSE = 2,
- QUIC_SERVER_INFO_WAIT_FOR_DATA_READY_CANCEL = 3,
- QUIC_SERVER_INFO_READY_TO_PERSIST = 4,
- QUIC_SERVER_INFO_PERSIST = 5,
- QUIC_SERVER_INFO_EXTERNAL_CACHE_HIT = 6,
- QUIC_SERVER_INFO_NUM_OF_API_CALLS = 7,
- };
-
- // Enum to track failure reasons to read/load/write of QuicServerInfo to
- // and from disk cache.
- enum FailureReason {
- WAIT_FOR_DATA_READY_INVALID_ARGUMENT_FAILURE = 0,
- GET_BACKEND_FAILURE = 1,
- OPEN_FAILURE = 2,
- CREATE_OR_OPEN_FAILURE = 3,
- PARSE_NO_DATA_FAILURE = 4,
- PARSE_FAILURE = 5,
- READ_FAILURE = 6,
- READY_TO_PERSIST_FAILURE = 7,
- PERSIST_NO_BACKEND_FAILURE = 8,
- WRITE_FAILURE = 9,
- NO_FAILURE = 10,
- NUM_OF_FAILURES = 11,
- };
-
- ~DiskCacheBasedQuicServerInfo() override;
-
- // Persists |pending_write_data_| if it is not empty, otherwise serializes the
- // data and pesists it.
- void PersistInternal();
-
- std::string key() const;
-
- // The |unused| parameter is a small hack so that we can have the
- // CacheOperationDataShim object owned by the Callback that is created for
- // this method. See comment above CacheOperationDataShim for details.
- void OnIOComplete(CacheOperationDataShim* unused, int rv);
-
- int DoLoop(int rv);
-
- int DoGetBackendComplete(int rv);
- int DoOpenComplete(int rv);
- int DoReadComplete(int rv);
- int DoWriteComplete(int rv);
- int DoCreateOrOpenComplete(int rv);
-
- int DoGetBackend();
- int DoOpen();
- int DoRead();
- int DoWrite();
- int DoCreateOrOpen();
-
- // DoWaitForDataReadyDone is the terminal state of the read operation.
- int DoWaitForDataReadyDone();
-
- // DoSetDone is the terminal state of the write operation.
- int DoSetDone();
-
- // Tracks in a histogram the number of times data read/parse/write API calls
- // of QuicServerInfo to and from disk cache is called.
- void RecordQuicServerInfoStatus(QuicServerInfoAPICall call);
-
- // Tracks in a histogram the failure reasons to read/load/write of
- // QuicServerInfo to and from disk cache. It also saves the |failure| in
- // |last_failure_|.
- void RecordQuicServerInfoFailure(FailureReason failure);
-
- // Tracks in a histogram if |last_failure_| is not NO_FAILURE.
- void RecordLastFailure();
-
- CacheOperationDataShim* data_shim_; // Owned by |io_callback_|.
- CompletionCallback io_callback_;
- State state_;
- bool ready_;
- bool found_entry_; // Controls the behavior of DoCreateOrOpen.
- std::string new_data_;
- std::string pending_write_data_;
- const QuicServerId server_id_;
- HttpCache* const http_cache_;
- disk_cache::Backend* backend_;
- disk_cache::Entry* entry_;
- CompletionCallback wait_for_ready_callback_;
- scoped_refptr<IOBuffer> read_buffer_;
- scoped_refptr<IOBuffer> write_buffer_;
- std::string data_;
- base::TimeTicks load_start_time_;
- FailureReason last_failure_;
-
- base::WeakPtrFactory<DiskCacheBasedQuicServerInfo> weak_factory_;
-
- DISALLOW_COPY_AND_ASSIGN(DiskCacheBasedQuicServerInfo);
-};
-
-} // namespace net
-
-#endif // NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
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