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135 lines
4.2 KiB
135 lines
4.2 KiB
// -*- C++ -*-
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// Module: Log4CPLUS
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// File: socket.h
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// Created: 4/2003
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// Author: Tad E. Smith
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//
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//
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// Copyright 2003-2010 Tad E. Smith
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/** @file */
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#ifndef LOG4CPLUS_HELPERS_SOCKET_HEADER_
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#define LOG4CPLUS_HELPERS_SOCKET_HEADER_
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#include <log4cplus/config.hxx>
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#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
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#pragma once
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#endif
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#include <log4cplus/tstring.h>
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#include <log4cplus/helpers/socketbuffer.h>
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namespace log4cplus {
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namespace helpers {
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enum SocketState { ok,
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not_opened,
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bad_address,
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connection_failed,
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broken_pipe,
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invalid_access_mode,
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message_truncated
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};
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typedef std::ptrdiff_t SOCKET_TYPE;
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extern LOG4CPLUS_EXPORT SOCKET_TYPE const INVALID_SOCKET_VALUE;
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class LOG4CPLUS_EXPORT AbstractSocket {
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public:
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// ctor and dtor
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AbstractSocket();
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AbstractSocket(SOCKET_TYPE sock, SocketState state, int err);
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AbstractSocket(const AbstractSocket&);
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virtual ~AbstractSocket() = 0;
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// methods
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/// Close socket
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virtual void close();
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virtual bool isOpen() const;
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AbstractSocket& operator=(const AbstractSocket& rhs);
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protected:
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// Methods
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virtual void copy(const AbstractSocket& rhs);
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// Data
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SOCKET_TYPE sock;
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SocketState state;
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int err;
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};
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/**
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* This class implements client sockets (also called just "sockets").
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* A socket is an endpoint for communication between two machines.
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*/
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class LOG4CPLUS_EXPORT Socket : public AbstractSocket {
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public:
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// ctor and dtor
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Socket();
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Socket(SOCKET_TYPE sock, SocketState state, int err);
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Socket(const tstring& address, unsigned short port, bool udp = false);
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virtual ~Socket();
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// methods
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virtual bool read(SocketBuffer& buffer);
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virtual bool write(const SocketBuffer& buffer);
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virtual bool write(const std::string & buffer);
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};
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/**
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* This class implements server sockets. A server socket waits for
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* requests to come in over the network. It performs some operation
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* based on that request, and then possibly returns a result to the
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* requester.
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*/
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class LOG4CPLUS_EXPORT ServerSocket : public AbstractSocket {
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public:
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// ctor and dtor
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ServerSocket(unsigned short port);
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virtual ~ServerSocket();
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Socket accept();
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};
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LOG4CPLUS_EXPORT SOCKET_TYPE openSocket(unsigned short port, SocketState& state);
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LOG4CPLUS_EXPORT SOCKET_TYPE connectSocket(const log4cplus::tstring& hostn,
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unsigned short port, bool udp,
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SocketState& state);
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LOG4CPLUS_EXPORT SOCKET_TYPE acceptSocket(SOCKET_TYPE sock, SocketState& state);
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LOG4CPLUS_EXPORT int closeSocket(SOCKET_TYPE sock);
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LOG4CPLUS_EXPORT long read(SOCKET_TYPE sock, SocketBuffer& buffer);
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LOG4CPLUS_EXPORT long write(SOCKET_TYPE sock,
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const SocketBuffer& buffer);
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LOG4CPLUS_EXPORT long write(SOCKET_TYPE sock,
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const std::string & buffer);
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LOG4CPLUS_EXPORT tstring getHostname (bool fqdn);
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LOG4CPLUS_EXPORT int setTCPNoDelay (SOCKET_TYPE, bool);
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} // end namespace helpers
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} // end namespace log4cplus
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#endif // LOG4CPLUS_HELPERS_SOCKET_HEADER_
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