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// 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 CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
#include "base/memory/scoped_ptr.h"
#include "net/base/completion_callback.h"
#include "net/base/load_states.h"
#include "net/base/request_priority.h"
#include "net/http/http_transaction.h"
#include "net/websockets/websocket_handshake_stream_base.h"
class DevToolsNetworkController;
class GURL;
namespace net {
class AuthCredentials;
class BoundNetLog;
class HttpRequestHeaders;
struct HttpRequestInfo;
class HttpResponseInfo;
class HttpNetworkSession;
class IOBuffer;
struct LoadTimingInfo;
class UploadProgress;
class X509Certificate;
}
// DevToolsNetworkTransaction is a wrapper for network transaction. All
// HttpTransaction methods are proxied to real transaction, but |callback|
// parameter is saved and replaced with proxy callback. Fail method should be
// used to simulate network outage. It runs saved callback (if any) with
// net::ERR_INTERNET_DISCONNECTED result value.
class DevToolsNetworkTransaction : public net::HttpTransaction {
public:
DevToolsNetworkTransaction(
DevToolsNetworkController* controller,
scoped_ptr<net::HttpTransaction> network_transaction);
virtual ~DevToolsNetworkTransaction();
const net::HttpRequestInfo* request() const { return request_; }
bool failed() const { return failed_; }
// Runs callback (if any) with net::ERR_INTERNET_DISCONNECTED result value.
void Fail();
int64_t throttled_byte_count() const { return throttled_byte_count_; }
void DecreaseThrottledByteCount(int64_t delta) {
throttled_byte_count_ -= delta;
}
void FireThrottledCallback();
// HttpTransaction methods:
virtual int Start(
const net::HttpRequestInfo* request,
const net::CompletionCallback& callback,
const net::BoundNetLog& net_log) OVERRIDE;
virtual int RestartIgnoringLastError(
const net::CompletionCallback& callback) OVERRIDE;
virtual int RestartWithCertificate(
net::X509Certificate* client_cert,
const net::CompletionCallback& callback) OVERRIDE;
virtual int RestartWithAuth(
const net::AuthCredentials& credentials,
const net::CompletionCallback& callback) OVERRIDE;
virtual bool IsReadyToRestartForAuth() OVERRIDE;
virtual int Read(
net::IOBuffer* buf,
int buf_len,
const net::CompletionCallback& callback) OVERRIDE;
virtual void StopCaching() OVERRIDE;
virtual bool GetFullRequestHeaders(
net::HttpRequestHeaders* headers) const OVERRIDE;
virtual int64 GetTotalReceivedBytes() const OVERRIDE;
virtual void DoneReading() OVERRIDE;
virtual const net::HttpResponseInfo* GetResponseInfo() const OVERRIDE;
virtual net::LoadState GetLoadState() const OVERRIDE;
virtual net::UploadProgress GetUploadProgress() const OVERRIDE;
virtual void SetQuicServerInfo(
net::QuicServerInfo* quic_server_info) OVERRIDE;
virtual bool GetLoadTimingInfo(
net::LoadTimingInfo* load_timing_info) const OVERRIDE;
virtual void SetPriority(net::RequestPriority priority) OVERRIDE;
virtual void SetWebSocketHandshakeStreamCreateHelper(
net::WebSocketHandshakeStreamBase::CreateHelper* create_helper) OVERRIDE;
virtual void SetBeforeNetworkStartCallback(
const BeforeNetworkStartCallback& callback) OVERRIDE;
virtual int ResumeNetworkStart() OVERRIDE;
private:
// Proxy callback handler. Runs saved callback.
void OnCallback(int result);
DevToolsNetworkController* controller_;
// Real network transaction.
scoped_ptr<net::HttpTransaction> network_transaction_;
const net::HttpRequestInfo* request_;
// True if Start was already invoked.
bool started_;
// True if Fail was already invoked.
bool failed_;
enum CallbackType {
NONE,
READ,
RESTART_IGNORING_LAST_ERROR,
RESTART_WITH_AUTH,
RESTART_WITH_CERTIFICATE,
START
};
int SetupCallback(
net::CompletionCallback callback,
int result,
CallbackType callback_type);
void Throttle(int result);
int throttled_result_;
int64_t throttled_byte_count_;
CallbackType callback_type_;
net::CompletionCallback proxy_callback_;
net::CompletionCallback callback_;
DISALLOW_COPY_AND_ASSIGN(DevToolsNetworkTransaction);
};
#endif // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
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