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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 REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_
#define REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_
#include <map>
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "net/socket/stream_listen_socket.h"
#include "remoting/host/gnubby_auth_handler.h"
namespace base {
class DictionaryValue;
} // namespace base
namespace remoting {
namespace protocol {
class ClientStub;
} // namespace protocol
class GnubbySocket;
class GnubbyAuthHandlerPosix : public GnubbyAuthHandler,
public base::NonThreadSafe,
public net::StreamListenSocket::Delegate {
public:
explicit GnubbyAuthHandlerPosix(protocol::ClientStub* client_stub);
~GnubbyAuthHandlerPosix() override;
bool HasActiveSocketForTesting(net::StreamListenSocket* socket) const;
int GetConnectionIdForTesting(net::StreamListenSocket* socket) const;
GnubbySocket* GetGnubbySocketForTesting(
net::StreamListenSocket* socket) const;
private:
typedef std::map<int, GnubbySocket*> ActiveSockets;
// GnubbyAuthHandler interface.
void DeliverClientMessage(const std::string& message) override;
void DeliverHostDataMessage(int connection_id,
const std::string& data) const override;
// StreamListenSocket::Delegate interface.
void DidAccept(net::StreamListenSocket* server,
scoped_ptr<net::StreamListenSocket> socket) override;
void DidRead(net::StreamListenSocket* socket,
const char* data,
int len) override;
void DidClose(net::StreamListenSocket* socket) override;
// Create socket for authorization.
void CreateAuthorizationSocket();
// Process a gnubby request.
void ProcessGnubbyRequest(int connection_id, const std::string& request_data);
// Gets an active socket iterator for the connection id in |message|.
ActiveSockets::iterator GetSocketForMessage(base::DictionaryValue* message);
// Send an error and close an active socket.
void SendErrorAndCloseActiveSocket(const ActiveSockets::iterator& iter);
// A request timed out.
void RequestTimedOut(int connection_id);
// Interface through which communication with the client occurs.
protocol::ClientStub* client_stub_;
// Socket used to listen for authorization requests.
scoped_ptr<net::StreamListenSocket> auth_socket_;
// The last assigned gnubby connection id.
int last_connection_id_;
// Sockets by connection id used to process gnubbyd requests.
ActiveSockets active_sockets_;
DISALLOW_COPY_AND_ASSIGN(GnubbyAuthHandlerPosix);
};
} // namespace remoting
#endif // REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_
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