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97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
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// -*- C++ -*-
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/**
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* \file lyxsocket.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bj<EFBFBD>nnes
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* \author Jean-Marc Lasgouttes
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* \author Jo<EFBFBD>o Luis M. Assirati
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef LYXSOCKET_H
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#define LYXSOCKET_H
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#include "support/socktools.h"
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#include "lyxfunc.h"
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#include <string>
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#include <set>
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class LyXServerSocket;
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class LyXDataSocket;
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/** Sockets can be in two states: listening and connected.
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* Connected sockets are used to transfer data, and will therefore
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* be called Data Sockets. Listening sockets are used to create
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* Data Sockets when clients connect, and therefore will be called
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* Server Sockets.
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* This class encapsulates local (unix) server socket operations and
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* manages LyXDataSockets objects that are created when clients connect.
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*/
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class LyXServerSocket
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{
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public:
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LyXServerSocket(LyXFunc *, std::string const &);
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~LyXServerSocket();
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/// File descriptor of the socket
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int fd() const;
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/// Address of the local socket
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std::string const & address() const;
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/// To be called when there is activity in the server socket
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void serverCallback();
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/// To be called when there is activity in the data socket
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void dataCallback(LyXDataSocket *);
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private:
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/// Close the connection to the argument client
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void close(LyXDataSocket *);
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LyXFunc * func;
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/// File descriptor for the server socket
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int fd_;
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/// Stores the socket filename
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std::string address_;
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/// Maximum number of simultaneous clients
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enum {
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MAX_CLIENTS = 10
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};
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/// All connections
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std::set<LyXDataSocket *> clients;
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};
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/** This class encapsulates data socket operations.
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* It provides read and write IO operations on the socket.
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*/
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class LyXDataSocket
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{
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public:
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LyXDataSocket(LyXServerSocket *);
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~LyXDataSocket();
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/// The object that allocated us
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LyXServerSocket * server() const;
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/// File descriptor of the connection
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int fd() const;
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/// Connection status
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bool connected() const;
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/// Line buffered input from the socket
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bool readln(std::string &);
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/// Write the string + '\n' to the socket
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void writeln(std::string const &);
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private:
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LyXServerSocket * server_;
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/// File descriptor for the data socket
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int fd_;
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/// True if the connection is up
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bool connected_;
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/// buffer for input data
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std::string buffer;
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};
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#endif // LYXSOCKET_H
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