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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.
//
// This StreamSocket implementation wraps a ClientSocketHandle that is created
// from the client socket pool after resolving proxies.
#ifndef JINGLE_GLUE_PROXY_RESOLVING_CLIENT_SOCKET_H_
#define JINGLE_GLUE_PROXY_RESOLVING_CLIENT_SOCKET_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "net/base/completion_callback.h"
#include "net/base/host_port_pair.h"
#include "net/base/net_errors.h"
#include "net/log/net_log.h"
#include "net/proxy/proxy_info.h"
#include "net/proxy/proxy_service.h"
#include "net/socket/stream_socket.h"
#include "net/ssl/ssl_config_service.h"
#include "url/gurl.h"
namespace net {
class ClientSocketFactory;
class ClientSocketHandle;
class HttpNetworkSession;
class URLRequestContextGetter;
} // namespace net
// TODO(sanjeevr): Move this to net/
namespace jingle_glue {
class ProxyResolvingClientSocket : public net::StreamSocket {
public:
// Constructs a new ProxyResolvingClientSocket. |socket_factory| is
// the ClientSocketFactory that will be used by the underlying
// HttpNetworkSession. If |socket_factory| is NULL, the default
// socket factory (net::ClientSocketFactory::GetDefaultFactory())
// will be used. |dest_host_port_pair| is the destination for this
// socket. The hostname must be non-empty and the port must be > 0.
ProxyResolvingClientSocket(
net::ClientSocketFactory* socket_factory,
const scoped_refptr<net::URLRequestContextGetter>& request_context_getter,
const net::SSLConfig& ssl_config,
const net::HostPortPair& dest_host_port_pair);
~ProxyResolvingClientSocket() override;
// net::StreamSocket implementation.
int Read(net::IOBuffer* buf,
int buf_len,
const net::CompletionCallback& callback) override;
int Write(net::IOBuffer* buf,
int buf_len,
const net::CompletionCallback& callback) override;
int SetReceiveBufferSize(int32 size) override;
int SetSendBufferSize(int32 size) override;
int Connect(const net::CompletionCallback& callback) override;
void Disconnect() override;
bool IsConnected() const override;
bool IsConnectedAndIdle() const override;
int GetPeerAddress(net::IPEndPoint* address) const override;
int GetLocalAddress(net::IPEndPoint* address) const override;
const net::BoundNetLog& NetLog() const override;
void SetSubresourceSpeculation() override;
void SetOmniboxSpeculation() override;
bool WasEverUsed() const override;
bool UsingTCPFastOpen() const override;
bool WasNpnNegotiated() const override;
net::NextProto GetNegotiatedProtocol() const override;
bool GetSSLInfo(net::SSLInfo* ssl_info) override;
private:
// Proxy resolution and connection functions.
void ProcessProxyResolveDone(int status);
void ProcessConnectDone(int status);
void CloseTransportSocket();
void RunUserConnectCallback(int status);
int ReconsiderProxyAfterError(int error);
void ReportSuccessfulProxyConnection();
// Callbacks passed to net APIs.
net::CompletionCallback proxy_resolve_callback_;
net::CompletionCallback connect_callback_;
scoped_refptr<net::HttpNetworkSession> network_session_;
// The transport socket.
scoped_ptr<net::ClientSocketHandle> transport_;
const net::SSLConfig ssl_config_;
net::ProxyService::PacRequest* pac_request_;
net::ProxyInfo proxy_info_;
const net::HostPortPair dest_host_port_pair_;
const GURL proxy_url_;
bool tried_direct_connect_fallback_;
net::BoundNetLog bound_net_log_;
// The callback passed to Connect().
net::CompletionCallback user_connect_callback_;
base::WeakPtrFactory<ProxyResolvingClientSocket> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ProxyResolvingClientSocket);
};
} // namespace jingle_glue
#endif // JINGLE_GLUE_PROXY_RESOLVING_CLIENT_SOCKET_H_
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