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/*
* ucserial.cc - Serialization of usecode objects
*
* Copyright (C) 2002 The Exult Team
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "servemsg.h"
#include "ucserial.h"
#include "useval.h"
#include "utils.h"
#include "debugmsg.h"
/*
/*
* Read/write out data common to all objects.
*
* Output: 1 if successful, else 0.
*/
template <class Serial>
void Stack_frame_io
(
Serial& io,
int& functionid,
int& ip,
int& call_chain,
int& call_depth,
int& eventid,
int& caller_item,
int& num_args,
int& num_vars
)
{
unsigned char c = (unsigned char)Exult_server::dbg_stackframe;
io << c << functionid << ip << call_chain << call_depth
<< eventid << caller_item << num_args << num_vars;
// locals!
}
int Stack_frame_out
(
int fd, // Socket.
int functionid,
int ip,
int call_chain,
int call_depth,
int eventid,
int caller_item,
int num_args,
int num_vars,
Usecode_value* locals
)
{
static unsigned char buf[Exult_server::maxlength];
unsigned char *ptr = &buf[0];
Serial_out io(ptr);
Stack_frame_io<Serial_out>(io, functionid, ip, call_chain, call_depth,
eventid, caller_item, num_args, num_vars);
int remaining = Exult_server::maxlength - (ptr - buf);
for (int i = 0; i < num_args + num_vars; i++) {
int vallen = locals[i].save(ptr, remaining);
// error checking...
ptr += vallen;
remaining -= vallen;
}
return Exult_server::Send_data(fd, Exult_server::usecode_debugging,
buf, ptr - buf);
// locals!
}
bool Stack_frame_in
(
unsigned char *data, // Data that was read.
int datalen, // Length of data.
int& functionid,
int& ip,
int& call_chain,
int& call_depth,
int& eventid,
int& caller_item,
int& num_args,
int& num_vars,
Usecode_value*& locals
)
{
unsigned char *ptr = data;
Serial_in io(ptr);
Stack_frame_io<Serial_in>(io, functionid, ip, call_chain, call_depth,
eventid, caller_item, num_args, num_vars);
int remaining = datalen - (ptr - data);
locals = new Usecode_value[num_args + num_vars];
for (int i = 0; i < num_args + num_vars; i++) {
unsigned char *tmpptr = ptr;
locals[i].restore(ptr, remaining);
// error checking...
remaining -= (ptr - tmpptr);
}
return (ptr - data) == datalen;
// locals!
}
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