sj3/sj3stat.c
2026-06-18 13:40:31 +09:00

108 lines
3.1 KiB
C

/*
* Copyright (C) 1995 by Software Research Associates, Inc.
* Author: Y. Kawabe <kawabe@sra.co.jp>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL SOFTWARE RESEARCH ASSOCIATES BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Software Research
* Associates shall not be used in advertising or otherwise to
* promote the sale, use or other dealings in this Software without prior
* written authorization from Software Research Associates.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "const.h"
#include "sj3err.h"
#include "sj3lib.h"
int main(int argc, char** argv) {
SJ3_CLIENT_ENV clnt;
SJ3_WHO_STRUCT who[64];
char ver[256];
char pname[256];
char* hname;
char* uname;
int i, n;
char* p;
if((argc > 1 && argv[1][0] == '-') || argc > 2) {
fprintf(stderr, "usage: %s [server]\n", argv[0]);
exit(1);
}
hname = getenv("SJ3SERV");
uname = getenv("USER");
if(argc > 1)
hname = argv[1];
if(uname == NULL)
uname = getlogin();
if(uname == NULL)
uname = "unknown";
sprintf(pname, "%d.sj3stat", getpid());
if(sj3_make_connection(&clnt, hname, uname, pname) == ERROR) {
char * server, *status;
extern int sj3_error_number;
server = hname ? hname : "localhost";
switch(sj3_error_number) {
case SJ3_ServerDown:
status = "down";
break;
case SJ3_GetHostByName:
status = "unknown";
break;
default:
status = "dead";
break;
}
fprintf(stderr, "Server '%s' is %s.\n", server, status);
return 1;
}
sj3_version(&clnt, ver, sizeof(ver));
n = sj3_who(&clnt, who, sizeof(who) / sizeof(who[0]));
for(p = ver; *p; p++) {
while(*p)
putc(*p++, stdout);
fprintf(stdout, "%%, ");
}
fprintf(stdout, "%d users.\n", n);
/*
* Change hostname entry's length.
* Because it's so short.
* Patched by Hidekazu Kuroki(hidekazu@cs.titech.ac.jp) 1996/8/10
*/
fprintf(stdout, "%-16s %-32s %-8s %s\n",
"(USER)", "(HOST)", "(FD)", "(CLIENT)");
for(i = 0; i < n; i++) {
fprintf(stdout, "%-16s %-32s %-8d %s\n", who[i].username,
who[i].hostname, who[i].fd, who[i].progname);
}
(void)sj3_erase_connection(&clnt);
return 0;
}