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/*
* XEvil(TM) Copyright (C) 1994,2000 Steve Hardt and Michael Judge
* http://www.xevil.com
* satan@xevil.com
*
* 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, the file "gpl.txt"; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA, or visit http://www.gnu.org.
*/
// "xetp_basic.cpp"
#if X11
#ifndef NO_PRAGMAS
#pragma implementation "xetp_basic.h"
#endif
#endif
#include "stdafx.h"
#include "xetp_basic.h"
const char *XETPBasic::versionStr = "XETP1.00";
// 0.10 released with special RedHat version
// 0.12 for 2.0b5
// 0.15 for 2.0b6
// 0.16 for 2.0b7
// 1.00 for 2.0
void XETPBasic::check_sizes() {
// If this ever fails, we'll have to put in a bunch of cross-platform
// typedefs.
assert(sizeof(int) == 4);
assert(sizeof(short) == 2);
assert(sizeof(char) == 1);
assert(sizeof(float) == 4);
assert(sizeof(u_int) == 4);
assert(sizeof(u_short) == 2);
assert(sizeof(u_char) == 1);
// If we get to 256, need more than one byte to determine the method.
assert(XETP_METHOD_MAX <= 256);
}
Boolean XETPBasic::receive_header(InStreamP inStream,
u_short &method,u_int &length) {
method = (u_short)inStream->read_char();
length = (u_int)inStream->read_short();
return inStream->alive();
}
void XETPBasic::send_header(OutStreamP out,u_short method,u_int length) {
// <method:1><length:4>
assert(method <= UCHAR_MAX);
out->write_char((u_char)method);
assert(length <= USHRT_MAX);
out->write_short((u_short)length);
}
void XETPBasic::send_generic(OutStreamP out,u_short method) {
if (out->get_protocol() == GenericStream::UDP) {
((UDPOutStreamP)out)->prepare_packet(XETPBasic::add_header(0));
}
send_header(out,method,0);
if (out->get_protocol() == GenericStream::UDP) {
((UDPOutStreamP)out)->done_packet();
}
}
void XETPBasic::send_int(OutStreamP out,u_short method,u_int val) {
int len = sizeof(int);
if (out->get_protocol() == GenericStream::UDP) {
((UDPOutStreamP)out)->prepare_packet(XETPBasic::add_header(len));
}
send_header(out,method,len);
out->write_int(val);
if (out->get_protocol() == GenericStream::UDP) {
((UDPOutStreamP)out)->done_packet();
}
}
void XETPBasic::send_string(OutStreamP out,u_short method,char *msg) {
assert(msg);
int len = Utils::get_string_write_length(msg);
if (out->get_protocol() == GenericStream::UDP) {
((UDPOutStreamP)out)->prepare_packet(XETPBasic::add_header(len));
}
send_header(out,method,len);
Utils::string_write(out,msg);
if (out->get_protocol() == GenericStream::UDP) {
((UDPOutStreamP)out)->done_packet();
}
}
const CMN_PORT XETPBasic::DEFAULT_PORT = 6066;
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