1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef NET_DISK_CACHE_NET_LOG_PARAMETERS_H_ 6#define NET_DISK_CACHE_NET_LOG_PARAMETERS_H_ 7 8#include <string> 9 10#include "net/base/net_log.h" 11 12// This file contains a set of functions to create NetLog::ParametersCallbacks 13// shared by EntryImpls and MemEntryImpls. 14namespace disk_cache { 15 16class Entry; 17 18// Creates a NetLog callback that returns parameters for the creation of an 19// Entry. Contains the Entry's key and whether it was created or opened. 20// |entry| can't be NULL, must support GetKey(), and must outlive the returned 21// callback. 22net::NetLog::ParametersCallback CreateNetLogEntryCreationCallback( 23 const Entry* entry, 24 bool created); 25 26// Creates a NetLog callback that returns parameters for start of a non-sparse 27// read or write of an Entry. For reads, |truncate| must be false. 28net::NetLog::ParametersCallback CreateNetLogReadWriteDataCallback( 29 int index, 30 int offset, 31 int buf_len, 32 bool truncate); 33 34// Creates a NetLog callback that returns parameters for when a non-sparse 35// read or write completes. For reads, |truncate| must be false. 36// |bytes_copied| is either the number of bytes copied or a network error 37// code. |bytes_copied| must not be ERR_IO_PENDING, as it's not a valid 38// result for an operation. 39net::NetLog::ParametersCallback CreateNetLogReadWriteCompleteCallback( 40 int bytes_copied); 41 42// Creates a NetLog callback that returns parameters for when a sparse 43// operation is started. 44net::NetLog::ParametersCallback CreateNetLogSparseOperationCallback( 45 int64 offset, 46 int buff_len); 47 48// Creates a NetLog callback that returns parameters for when a read or write 49// for a sparse entry's child is started. 50net::NetLog::ParametersCallback CreateNetLogSparseReadWriteCallback( 51 const net::NetLog::Source& source, 52 int child_len); 53 54// Creates a NetLog callback that returns parameters for when a call to 55// GetAvailableRange returns. 56net::NetLog::ParametersCallback CreateNetLogGetAvailableRangeResultCallback( 57 int64 start, 58 int result); 59 60} // namespace disk_cache 61 62#endif // NET_DISK_CACHE_NET_LOG_CACHE_PARAMETERS_H_ 63