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/*
* Copyright (c) 1999-2003 Smithsonian Astrophysical Observatory
*/
#include <xpap.h>
extern char *optarg;
extern int optind;
#ifdef ANSI_FUNC
void
usage (char *s)
#else
void usage(s)
char *s;
#endif
{
fprintf(stderr, "\n");
fprintf(stderr, "usage:\n");
fprintf(stderr, " %s [-h] [-i nsinet] [-m method] [-n] [-s] [-t sval,lval] [-u users] <tmpl|host:port> [paramlist]\n", s);
fprintf(stderr, "\n");
fprintf(stderr, "switches:\n");
fprintf(stderr, "\t-h\tprint this message\n");
fprintf(stderr, "\t-i\toverride XPA_NSINET environment variable\n");
fprintf(stderr, "\t-m\toverride XPA_METHOD environment variable\n");
fprintf(stderr, "\t-n\tdon't wait for message after server completes (kind of useless!)\n");
fprintf(stderr, "\t-s\tserver mode\n");
fprintf(stderr, "\t-t \toverride XPA_[SHORT,LONG]_TIMEOUT environment variables\n");
fprintf(stderr, "\t-u\toverride XPA_NSUSERS environment variable\n");
fprintf(stderr, "\t--version display version and exit\n");
fprintf(stderr, "\n");
fprintf(stderr, "Data will be retrieved from access points matching the template or host:port.\n");
fprintf(stderr, "Templates are of the form [class:]name. Wildcards *,?,[] are accepted.\n");
fprintf(stderr, "A set of qualifying parameters can be appended.\n");
fprintf(stderr, "\n");
fprintf(stderr, "examples:\n");
fprintf(stderr, "\tcsh> xpaget ds9 file\n");
fprintf(stderr, "\tcsh> xpaget bynars.harvard.edu:1147\n");
fprintf(stderr, "\n(version: %s)\n", XPA_VERSION);
exit(1);
}
#ifdef ANSI_FUNC
int
main (int argc, char **argv)
#else
int
main(argc, argv)
int argc;
char **argv;
#endif
{
int i;
int c;
int got;
int lp;
int errcode=0;
int server=0;
int maxhosts=XPA_MAXHOSTS;
char *paramlist=NULL;
char *xtemplate=NULL;
char lbuf[SZ_LINE];
char tbuf[SZ_LINE];
char mode[SZ_LINE];
char cmd[SZ_LINE];
char *s;
char **errs=NULL;
char **names=NULL;
int fds[1];
XPA xpa=NULL;
/* display version and exit, if necessary */
if( (argc == 2) && !strcmp(argv[1], "--version") ){
fprintf(stderr, "%s\n", XPA_VERSION);
exit(0);
}
/* make sure we have enough arguments */
if( argc < 2 )
usage(argv[0]);
/* start with no mode flag */
*mode = '\0';
/* we want the args in the same order in which they arrived, and
gnu getopt sometimes changes things without this */
putenv("POSIXLY_CORRECT=true");
/* process switch arguments */
while ((c = getopt(argc, argv, "hi:m:nst:u:wW")) != -1){
switch(c){
case 'h':
usage(argv[0]);
case 'i':
snprintf(cmd, SZ_LINE, "XPA_NSINET=%s", optarg);
putenv(xstrdup(cmd));
break;
case 'm':
snprintf(cmd, SZ_LINE, "XPA_METHOD=%s", optarg);
putenv(xstrdup(cmd));
break;
case 'n':
if( *mode != '\0' )
strcat(mode, ",");
strcat(mode, "ack=false");
break;
case 's':
server = 1;
xpa = XPAOpen(NULL);
break;
case 't':
{
int xip=0;
char xbuf[SZ_LINE];
newdtable(",;");
if( word(optarg, xbuf, &xip) && *xbuf && (*xbuf != '*') ){
snprintf(cmd, SZ_LINE, "XPA_SHORT_TIMEOUT=%s", xbuf);
putenv(xstrdup(cmd));
}
if( word(optarg, xbuf, &xip) && *xbuf && (*xbuf != '*') ){
snprintf(cmd, SZ_LINE, "XPA_LONG_TIMEOUT=%s", xbuf);
putenv(xstrdup(cmd));
}
freedtable();
}
break;
case 'u':
snprintf(cmd, SZ_LINE, "XPA_NSUSERS=%s", optarg);
putenv(xstrdup(cmd));
break;
/* for backward compatibility with 1.0 */
case 'w':
case 'W':
break;
}
}
/* no explicit host:port specified, so we should have a name */
if( optind >= argc ){
/* in server mode, we can skip the host on the command line */
if( !server )
usage(argv[0]);
}
else{
xtemplate = xstrdup(argv[optind]);
optind++;
}
/* make the paramlist */
paramlist = XPAArgvParamlist(argc, argv, optind);
/* init variables for names and ports */
if( (s=(char *)getenv("XPA_MAXHOSTS")) != NULL )
maxhosts = atoi(s);
names = (char **)xcalloc(maxhosts, sizeof(char *));
errs = (char **)xcalloc(maxhosts, sizeof(char *));
/* we only send to stdout */
fds[0] = fileno(stdout);
again:
/* if we are in server mode, we might have to read a line from stdin
to grab the template and paramlist */
if( server && (xtemplate==NULL) ){
/* read description of template and paramlist */
if( fgets(lbuf, SZ_LINE, stdin) == NULL )
exit(errcode);
if( (*lbuf == '#') || (*lbuf == '\n') )
goto again;
lp = 0;
if( word(lbuf, tbuf, &lp) && !strcmp(tbuf, "xpaget") &&
word(lbuf, tbuf, &lp) ){
xtemplate = xstrdup(tbuf);
paramlist = xstrdup(&(lbuf[lp]));
nowhite(paramlist, paramlist);
}
else{
fprintf(stderr, "XPA$ERROR invalid command: %s", lbuf);
exit(++errcode);
}
}
/* process xpa requests */
got = XPAGetFd(xpa, xtemplate, paramlist, mode, fds, names, errs, -maxhosts);
if( got == 0 ){
fprintf(stderr, "XPA$ERROR no 'xpaget' access points match template: %s\n",
xtemplate);
errcode++;
}
else{
/* display errors and free up strings */
for(i=0; i<got; i++){
if( errs[i] != NULL ){
fprintf(stderr, "%s", errs[i]);
xfree(errs[i]);
errcode++;
}
if( names[i] != NULL )
xfree(names[i]);
}
}
/* free the paramlist */
if( paramlist!= NULL ){
xfree(paramlist);
paramlist = NULL;
}
/* and the template */
if( xtemplate != NULL ){
xfree(xtemplate);
xtemplate = NULL;
}
/* if we are in server mode, go back for more */
if( server )
goto again;
else{
/* clean up */
if( errs ) xfree(errs);
if( names ) xfree(names);
XPACleanup();
exit(errcode);
}
return(0);
}
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