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// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICE_UDP_TRANSCEIVER_H
#define ICE_UDP_TRANSCEIVER_H
#include <IceUtil/Mutex.h>
#include <Ice/ProtocolInstanceF.h>
#include <Ice/Transceiver.h>
#include <Ice/Network.h>
#ifdef ICE_OS_UWP
# include <deque>
#endif
namespace IceInternal
{
class UdpEndpoint;
class UdpTransceiver : public Transceiver, public NativeInfo
{
enum State
{
StateNeedConnect,
StateConnectPending,
StateConnected,
StateNotConnected
};
public:
virtual NativeInfoPtr getNativeInfo();
#if defined(ICE_USE_IOCP) || defined(ICE_OS_UWP)
virtual AsyncInfo* getAsyncInfo(SocketOperation);
#endif
virtual SocketOperation initialize(Buffer&, Buffer&);
virtual SocketOperation closing(bool, const Ice::LocalException&);
virtual void close();
virtual EndpointIPtr bind();
virtual SocketOperation write(Buffer&);
virtual SocketOperation read(Buffer&);
#if defined(ICE_USE_IOCP) || defined(ICE_OS_UWP)
virtual bool startWrite(Buffer&);
virtual void finishWrite(Buffer&);
virtual void startRead(Buffer&);
virtual void finishRead(Buffer&);
#endif
virtual std::string protocol() const;
virtual std::string toString() const;
virtual std::string toDetailedString() const;
virtual Ice::ConnectionInfoPtr getInfo() const;
virtual void checkSendSize(const Buffer&);
virtual void setBufferSize(int rcvSize, int sndSize);
int effectivePort() const;
private:
UdpTransceiver(const ProtocolInstancePtr&, const Address&, const Address&, const std::string&, int);
UdpTransceiver(const UdpEndpointIPtr&, const ProtocolInstancePtr&, const std::string&, int, const std::string&,
bool);
virtual ~UdpTransceiver();
void setBufSize(int, int);
#ifdef ICE_OS_UWP
void appendMessage(Windows::Networking::Sockets::DatagramSocketMessageReceivedEventArgs^);
Windows::Networking::Sockets::DatagramSocketMessageReceivedEventArgs^ readMessage();
#endif
friend class UdpEndpointI;
friend class UdpConnector;
UdpEndpointIPtr _endpoint;
const ProtocolInstancePtr _instance;
const bool _incoming;
bool _bound;
const Address _addr;
Address _mcastAddr;
const std::string _mcastInterface;
Address _peerAddr;
int _port;
State _state;
int _rcvSize;
int _sndSize;
static const int _udpOverhead;
static const int _maxPacketSize;
#if defined(ICE_USE_IOCP)
AsyncInfo _read;
AsyncInfo _write;
Address _readAddr;
socklen_t _readAddrLen;
#elif defined(ICE_OS_UWP)
AsyncInfo _write;
Windows::Storage::Streams::DataWriter^ _writer;
IceUtil::Mutex _mutex;
bool _readPending;
std::deque<Windows::Networking::Sockets::DatagramSocketMessageReceivedEventArgs^> _received;
#endif
};
}
#endif
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