117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/*
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Copyright (C) 2010 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef _PB_RPC_CHANNEL_H
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#define _PB_RPC_CHANNEL_H
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#include <QString>
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#include <QTcpServer>
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#include <QTcpSocket>
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#include <google/protobuf/io/zero_copy_stream_impl.h>
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#include <google/protobuf/message.h>
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#include <google/protobuf/descriptor.h>
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#include <google/protobuf/service.h>
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#include "pbrpccommon.h"
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#include "pbrpccontroller.h"
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class PbRpcChannel : public QObject, public ::google::protobuf::RpcChannel
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{
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Q_OBJECT
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// If isPending is TRUE, then controller, done, response
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// and pendingMethodId correspond to the last method called by
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// the service stub
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bool isPending;
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int pendingMethodId;
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// controller, done, response are set to the corresponding values
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// passed by the stub to CallMethod(). They are reset to NULL when
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// we get a response back from the server in on_mpSocket_readyRead()
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// after calling done->Run().
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/*! \todo (MED) : change controller, done and response to references
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instead of pointers? */
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::google::protobuf::RpcController *controller;
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::google::protobuf::Closure *done;
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::google::protobuf::Message *response;
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typedef struct _RpcCall {
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const ::google::protobuf::MethodDescriptor *method;
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::google::protobuf::RpcController *controller;
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const ::google::protobuf::Message *request;
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::google::protobuf::Message *response;
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::google::protobuf::Closure *done;
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} RpcCall;
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QList<RpcCall> pendingCallList;
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const ::google::protobuf::Message ¬ifPrototype;
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::google::protobuf::Message *notif;
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QString mServerHost;
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quint16 mServerPort;
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QTcpSocket *mpSocket;
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::google::protobuf::io::CopyingInputStreamAdaptor *inStream;
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::google::protobuf::io::CopyingOutputStreamAdaptor *outStream;
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public:
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PbRpcChannel(QString serverName, quint16 port,
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const ::google::protobuf::Message ¬ifProto);
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~PbRpcChannel();
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void establish();
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void establish(QString serverName, quint16 port);
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void tearDown();
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const QString serverName() const
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{
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return mpSocket->peerName();
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}
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quint16 serverPort() const { return mServerPort; }
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QAbstractSocket::SocketState state() const
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{ return mpSocket->state(); }
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void CallMethod(const ::google::protobuf::MethodDescriptor *method,
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::google::protobuf::RpcController *controller,
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const ::google::protobuf::Message *req,
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::google::protobuf::Message *response,
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::google::protobuf::Closure* done);
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signals:
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void connected();
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void disconnected();
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void error(QAbstractSocket::SocketError socketError);
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void stateChanged(QAbstractSocket::SocketState socketState);
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void notification(int notifType, ::google::protobuf::Message *notifData);
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private slots:
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void on_mpSocket_connected();
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void on_mpSocket_disconnected();
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void on_mpSocket_stateChanged(QAbstractSocket::SocketState socketState);
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void on_mpSocket_error(QAbstractSocket::SocketError socketError);
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void on_mpSocket_readyRead();
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};
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#endif
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