l3lib/devel/plugin/net/packet.cpp

// Packet.cpp: Implementierung der Klasse CPacket.
//
//////////////////////////////////////////////////////////////////////
#include "../forcelibs.h"
#include <string.h>
#include "packet.h"

//////////////////////////////////////////////////////////////////////
// Konstruktion/Destruktion
//////////////////////////////////////////////////////////////////////
CNetPacket::CNetPacket()
{
	code_type = 0;
	len = 0;
	buf = 0;
	mem = buf;
}

CNetPacket::CNetPacket(int plen)
{
	code_type = 0;
	len = 0;
	buf = 0;
	mem = 0;
	
	if( plen > 0 )
	{
		len = plen;
		buf = new char [ plen + 1];
		buf[len]='\0';
	}
	mem = buf;
}

CNetPacket::CNetPacket(const char *message)
{
	code_type = 0;
	len = 0;
	buf = 0;

	if( message != 0 )
	{
		len = strlen(message);
		buf = new char [ len + 1 ];
		strcpy( buf, message);
		buf[len]='\0';
	}
	mem = buf;
}

CNetPacket::CNetPacket(const char *message, int plen)
{
	code_type = 0;
	len = 0;
	buf = 0;
	
	if( plen > 0 )
	{
		len = plen;
		buf = new char [ plen + 1];
		memcpy( buf, message, len);
		buf[len]='\0';
	}
	mem = buf;
}

CNetPacket::CNetPacket(const char *prefix, const char *message, int plen)
{
	code_type = 0;
	len = 0;
	buf = 0;

	int prefix_len = strlen(prefix);
	if( plen > 0 )
	{	
		len = prefix_len + plen;
		buf = new char [ len + 1 ];
		strcpy(buf,prefix);
		memcpy( &buf[prefix_len], message, plen);
		buf[len]='\0';
	}
	mem = buf;
}

CNetPacket::CNetPacket(unsigned char pcode_type, const char *message, int plen)
{
	code_type = 0;
	len = 0;
	buf = 0;

	code_type = pcode_type;
	if( plen > 0 )
	{	
		len = plen;
		buf = new char [ plen + 1];
		memcpy( buf, message, len);
		buf[len]='\0';
	}
	mem = buf;
}

CNetPacket::CNetPacket(CNetPacket &N, CNetPacket &M)
{
	code_type = N.code_type;
	len = N.len + M.len;
	buf = new char [ len + 1];
	memcpy( buf,N.buf,N.len);
	memcpy( buf + N.len,M.buf, M.len);
	buf[len]='\0';
	mem = buf;
}


const CNetPacket& CNetPacket::operator=(CNetPacket &N)
{
	delete mem;
	code_type = N.code_type;
	len = N.len;
	buf = new char [ len + 1];
	memcpy( buf,N.buf,len);
	buf[len]='\0';
	mem = buf;
	return *this;
}

const CNetPacket& CNetPacket::operator=(CNetPacket *N)
{
	delete mem;
	if( N == 0 )
	{
		code_type = 0;
		len = 0;
		buf = 0;
		mem = 0;
	}
	else
	{
		code_type = N->code_type;
		len = N->len;
		buf = new char [ len + 1];
		memcpy( buf,N->buf,len);
		buf[len]='\0';
		mem = buf;
	}
	return *this;
}


CNetPacket::~CNetPacket()
{
	delete mem;
}