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/*===========================================================================
Copyright (C) 1991-2009 European Southern Observatory (ESO)
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., 675 Massachusetts Ave, Cambridge,
MA 02139, USA.
Correspondence concerning ESO-MIDAS should be addressed as follows:
Internet e-mail: midas@eso.org
Postal address: European Southern Observatory
Data Management Division
Karl-Schwarzschild-Strasse 2
D 85748 Garching bei Muenchen
GERMANY
===========================================================================*/
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.IDENT dialog.c
.MODULE subroutines -- graphical user interface
.LANGUAGE C
.AUTHOR Cristian Levin - ESO La Silla
.PURPOSE The function of this module perform the communication
between an external process and Midas.
.KEYWORDS signals, communication.
.COMMENTS - Communication through a file in MID_WORK, using
SIGUSR1 for interrupting Midas and waiting for
SIGUSR2 from Midas.
.ENVIRONMENT UNIX
.VERSION 1.0 1-Mar-1991 Implementation
.VERSION 2.0 20-May-1992 Addition of SIGUSR2 stuff
090812 last modif
------------------------------------------------------------*/
#include <midas_def.h>
#include <osfile.h>
#include <ok.h>
#include <signal.h>
#include <stdio.h>
#define MYSESSION "QQ"
#define FOREVER 0
#define MAXLINE 160
#define OKSTAT 0
#define NOEXSTAT -999
#define SENDSTAT -1000
#define BUSYSTAT -1001
#define RETSTAT -1002
#define UNDEFINED -1009
static int CommStat, MidasStat, MidasStata, keylength;
static int startup = -1;
static char keyfile[1000][MAXLINE];
extern int strred(), strindex();
/*
*/
int AppendDialogText(s)
char *s;
{
int stat, secs, retstat[2];
static int mid;
char unit[4];
MidasStat = UNDEFINED;
if (startup == -1)
{
startup = 0;
osfphname("DAZUNIT", unit);
unit[3] = '\0';
stat = XCZOPN(unit,MYSESSION,"",&mid);
if (stat != 0)
{
CommStat = NOEXSTAT;
return (CommStat);
}
}
secs = -1; /* wait forever */
stat = XCCSND(mid,s,secs,retstat);
if (stat == 1)
CommStat = BUSYSTAT;
else if (stat == 4)
CommStat = SENDSTAT;
else
{
CommStat = OKSTAT;
MidasStat = retstat[0];
MidasStata = retstat[1];
}
return (CommStat);
}
/*
*/
int AppendDialogTextNoWait(s)
char *s;
{
int stat, secs, retstat[2];
static int mid;
char unit[4];
MidasStat = UNDEFINED;
if (startup == -1)
{
startup = 0;
osfphname("DAZUNIT", unit);
unit[3] = '\0';
stat = XCZOPN(unit,MYSESSION,"",&mid);
if (stat != 0)
{
CommStat = NOEXSTAT;
return (CommStat);
}
}
secs = 0; /* don't wait */
stat = XCCSND(mid,s,secs,retstat);
if (stat == 1)
CommStat = BUSYSTAT;
else if (stat == 4)
CommStat = SENDSTAT;
else
{
CommStat = OKSTAT;
MidasStat = retstat[0];
MidasStata = retstat[1];
}
return (CommStat);
}
/*
*/
void StatMidas(actio,mstat,mstring)
char *actio, *mstring;
int *mstat;
{
/* currently, MidasStata is not used */
if ((*actio == 'g') || (*actio == 'G'))
{ /* get errors out */
mstat[0] = MidasStat;
if (MidasStat != UNDEFINED)
sprintf(mstring,"Midas Error: %d",MidasStat);
else
mstring[0] = '\0';
}
else
{
MidasStat = mstat[0];
}
}
/*
*/
int KeyValue(key,value)
char *key, *value;
{
int n, i, found;
char msg[MAXLINE], line[MAXLINE];
strcpy ( line, "keyword: ");
strcat ( line, key);
strcat ( line, " ");
found = 0;
for (n=0; n<keylength; n++) {
strcpy(msg, keyfile[n]);
if (strindex(msg, line) == 0) {
found = 1;
strcpy(msg, keyfile[++n]);
for (i=0; i<strred(msg); i++) /* Removes redundant spaces */
if (msg[i] == ' ') msg[i] = ','; /* Replace by comas */
strcpy(value, msg);
break;
} /* Matches if (strindex .. */
} /* Matches for n=0... */
return(found);
}
/*
*/
int LoadFile(fsend)
char *fsend;
{
int fn, len=MAXLINE, n=0;
char msg[MAXLINE];
if ( (fn = osaopen(fsend, READ)) != -1 ) {
while (osaread(fn,msg,len) != -1)
strcpy(keyfile[n++], msg);
keylength = n;
osaclose(fn);
}
else
printf("Error while opening %s\n",fsend);
if (n == 0) return(0); /* File empty */
else return(1);
}
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