Always use chromium threads for IO in remoting host

remoting/jingle_glue/ssl_socket_adapter.h

-// 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 REMOTING_JINGLE_GLUE_SSL_SOCKET_ADAPTER_H_
-#define REMOTING_JINGLE_GLUE_SSL_SOCKET_ADAPTER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "net/base/completion_callback.h"
-#include "net/base/io_buffer.h"
-#include "net/base/net_errors.h"
-#include "net/base/net_log.h"
-#include "net/socket/ssl_client_socket.h"
-#include "net/socket/stream_socket.h"
-#include "third_party/libjingle/source/talk/base/asyncsocket.h"
-#include "third_party/libjingle/source/talk/base/ssladapter.h"
-
-namespace net {
-class CertVerifier;
-class TransportSecurityState;
-}  // namespace net
-
-namespace remoting {
-
-class SSLSocketAdapter;
-
-// TODO(sergeyu): Write unittests for this code!
-
-// This class provides a wrapper to libjingle's talk_base::AsyncSocket that
-// implements Chromium's net::StreamSocket interface.  It's used by
-// SSLSocketAdapter to enable Chromium's SSL implementation to work over
-// libjingle's socket class.
-class TransportSocket : public net::StreamSocket, public sigslot::has_slots<> {
- public:
-  TransportSocket(talk_base::AsyncSocket* socket,
-                  SSLSocketAdapter *ssl_adapter);
-  virtual ~TransportSocket();
-
-  void set_addr(const talk_base::SocketAddress& addr) {
-    addr_ = addr;
-  }
-
-  // net::StreamSocket implementation.
-  virtual int Connect(const net::CompletionCallback& callback) OVERRIDE;
-  virtual void Disconnect() OVERRIDE;
-  virtual bool IsConnected() const OVERRIDE;
-  virtual bool IsConnectedAndIdle() const OVERRIDE;
-  virtual int GetPeerAddress(net::IPEndPoint* address) const OVERRIDE;
-  virtual int GetLocalAddress(net::IPEndPoint* address) const OVERRIDE;
-  virtual const net::BoundNetLog& NetLog() const OVERRIDE;
-  virtual void SetSubresourceSpeculation() OVERRIDE;
-  virtual void SetOmniboxSpeculation() OVERRIDE;
-  virtual bool WasEverUsed() const OVERRIDE;
-  virtual bool UsingTCPFastOpen() const OVERRIDE;
-  virtual int64 NumBytesRead() const OVERRIDE;
-  virtual base::TimeDelta GetConnectTimeMicros() const OVERRIDE;
-  virtual bool WasNpnNegotiated() const OVERRIDE;
-  virtual net::NextProto GetNegotiatedProtocol() const OVERRIDE;
-  virtual bool GetSSLInfo(net::SSLInfo* ssl_info) OVERRIDE;
-
-  // net::Socket implementation.
-  virtual int Read(net::IOBuffer* buf, int buf_len,
-                   const net::CompletionCallback& callback) OVERRIDE;
-  virtual int Write(net::IOBuffer* buf, int buf_len,
-                    const net::CompletionCallback& callback) OVERRIDE;
-  virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
-  virtual bool SetSendBufferSize(int32 size) OVERRIDE;
-
- private:
-  friend class SSLSocketAdapter;
-
-  void OnReadEvent(talk_base::AsyncSocket* socket);
-  void OnWriteEvent(talk_base::AsyncSocket* socket);
-
-  // Holds the user's completion callback when Write and Read are called.
-  net::CompletionCallback read_callback_;
-  net::CompletionCallback write_callback_;
-
-  scoped_refptr<net::IOBuffer> read_buffer_;
-  int read_buffer_len_;
-  scoped_refptr<net::IOBuffer> write_buffer_;
-  int write_buffer_len_;
-
-  net::BoundNetLog net_log_;
-
-  talk_base::AsyncSocket *socket_;
-  talk_base::SocketAddress addr_;
-
-  bool was_used_to_convey_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(TransportSocket);
-};
-
-// This provides a talk_base::AsyncSocketAdapter interface around Chromium's
-// net::SSLClientSocket class.  This allows remoting to use Chromium's SSL
-// implementation instead of OpenSSL.
-class SSLSocketAdapter : public talk_base::SSLAdapter {
- public:
-  explicit SSLSocketAdapter(talk_base::AsyncSocket* socket);
-  virtual ~SSLSocketAdapter();
-
-  // StartSSL returns 0 if successful, or non-zero on failure.
-  // If StartSSL is called while the socket is closed or connecting, the SSL
-  // negotiation will begin as soon as the socket connects.
-  //
-  // restartable is not implemented, and must be set to false.
-  virtual int StartSSL(const char* hostname, bool restartable) OVERRIDE;
-
-  // Create the default SSL adapter for this platform.
-  static SSLSocketAdapter* Create(AsyncSocket* socket);
-
-  virtual int Send(const void* pv, size_t cb) OVERRIDE;
-  virtual int Recv(void* pv, size_t cb) OVERRIDE;
-
- private:
-  friend class TransportSocket;
-
-  enum SSLState {
-    SSLSTATE_NONE,
-    SSLSTATE_WAIT,
-    SSLSTATE_CONNECTED,
-    SSLSTATE_ERROR,
-  };
-
-  void OnConnected(int result);
-  void OnRead(int result);
-  void OnWritten(int result);
-
-  void DoWrite();
-
-  virtual void OnConnectEvent(talk_base::AsyncSocket* socket) OVERRIDE;
-
-  int BeginSSL();
-
-  bool ignore_bad_cert_;
-  std::string hostname_;
-  TransportSocket* transport_socket_;
-
-  // |cert_verifier_| must be defined before |ssl_socket_|, so that
-  // it's destroyed after |ssl_socket_|.
-  scoped_ptr<net::CertVerifier> cert_verifier_;
-  scoped_ptr<net::TransportSecurityState> transport_security_state_;
-  scoped_ptr<net::SSLClientSocket> ssl_socket_;
-
-  SSLState ssl_state_;
-
-  bool read_pending_;
-  scoped_refptr<net::GrowableIOBuffer> read_buffer_;
-
-  bool write_pending_;
-  scoped_refptr<net::DrainableIOBuffer> write_buffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(SSLSocketAdapter);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_JINGLE_GLUE_SSL_SOCKET_ADAPTER_H_