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/*
ToolBus -- The ToolBus Application Architecture
Copyright (C) 1998-2000 Stichting Mathematisch Centrum, Amsterdam,
The Netherlands.
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
*/
#include "toolbus.h"
#include "terms.h"
#include "tools.h"
#include "utils.h"
#include <sys/socket.h>
#include "sockets.h"
/* --- CLIENT SIDE CONNECT -------------------- */
/* client side mkports --
1. connect to server
2. get tool-id from server
*/
/*{{{ int mkports (TBbool local_ports, char *tool, char *tb_host, int *tid, int *tin, int *tout) */
int mkports (TBbool local_ports, char *tool, char *tb_host, int *tid, int *tin, int *tout)
{
char buf[TB_MAX_HANDSHAKE];
int sock = TB_ERROR;
int get_tid = -1;
*tin = *tout = TB_ERROR;
/* TBmsg("mkports(%s,%d)\n", tb_host, *tid); */
/* 1. connect to well known socket */
if(streq(tb_host, this_host) || local_ports)
sock = connectWellKnownSocket(NULL, WellKnownSocketPort);
else
sock = connectWellKnownSocket(tb_host, WellKnownSocketPort);
if (sock < 0) return TB_ERROR;
/* client coming from "this_host", open connection */
sprintf(buf, "%s %s %d", tool, this_host, *tid);
if(write(sock, buf, TB_MAX_HANDSHAKE) < 0){
err_sys_warn("mkports -- can't write");
close(sock);
return TB_ERROR;
}
/* 2. get tool id from server */
get_tid = getInt(sock, tool);
/* sanity check */
if(get_tid < 0){
err_fatal("no port assigned by ToolBus");
close(sock);
return TB_ERROR;
}
if(*tid < 0)
*tid = get_tid;
else
if(*tid != get_tid){
err_warn("mkports -- tool id out of phase, giving up!");
close(sock);
return TB_ERROR;
}
*tout = sock;
*tin = sock;
return TB_OK;
}
/*}}} */
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