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/* Copyright (c) 2008 PrimeBase Technologies GmbH, Germany
*
* PrimeBase Media Stream for MySQL
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Original author: Paul McCullagh (H&G2JCtL)
* Continued development: Barry Leslie
*
* 2007-05-24
*
* CORE SYSTEM:
* Basic file I/O.
*
*/
#ifndef __CSSOCKET_H__
#define __CSSOCKET_H__
#include <stdio.h>
#include "CSDefs.h"
#include "CSPath.h"
#include "CSException.h"
#include "CSMemory.h"
#include "CSMutex.h"
using namespace std;
class CSOutputStream;
class CSInputStream;
class CSSocket : public CSRefObject {
public:
CSSocket() { }
virtual ~CSSocket() { }
CSOutputStream *getOutputStream();
CSInputStream *getInputStream();
virtual void formatAddress(size_t size, char *address) = 0;
/*
* Publish a listener:
*/
virtual void publish(char *service, int default_port) = 0;
/*
* Accept a connection from a listening socket:
*/
virtual void open(CSSocket *listener) = 0;
/*
* Connect to a listening socket.
*/
virtual void open(char *address, int default_port) = 0;
/*
* Close the socket.
*/
virtual void close() { }
/*
* Read at least one byte from the socket.
* This function returns 0 on EOF.
* If the function returns at least
* one byte, then you must call the function
* again, there may be more data available.
*
* Note: Errors on the socket do not cause
* an exception!
*/
virtual size_t read(void *data, size_t size) = 0;
/*
* Returns -1 on EOF!
* Otherwize it returns a character value >= 0
* Just like read, error on the socket do
* not throw an exception.
*/
virtual int read() = 0;
/*
* Look at the next character in the file without
* taking from the input.
*/
virtual int peek() = 0;
/*
* Write the given number of bytes.
* Throws IOException if an error occurs.
*/
virtual void write(const void *data, size_t size) = 0;
/*
* Write a character to the file.
*/
virtual void write(char ch) = 0;
/*
* Flush the data written.
*/
virtual void flush() = 0;
static CSSocket *newSocket();
friend class SCSocket;
private:
};
#define CS_SOCKET_ADDRESS_SIZE 300
class SCSocket : public CSSocket {
public:
SCSocket(): CSSocket(), iHandle(-1), iHost(NULL), iService(NULL), iPort(0) { }
virtual ~SCSocket() {
close();
}
virtual void formatAddress(size_t size, char *address);
virtual void publish(char *service, int default_port);
virtual void open(CSSocket *listener);
virtual void open(char *address, int default_port);
virtual void close();
virtual size_t read(void *data, size_t size);
virtual int read();
virtual int peek();
virtual void write(const void *data, size_t size);
virtual void write(char ch);
virtual void flush();
private:
void throwError(const char *func, const char *file, int line, char *address, int err);
void throwError(const char *func, const char *file, int line, int err);
void setInternalOptions();
void openInternal();
int iHandle;
char *iHost;
char *iService;
int iPort;
};
#endif
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