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#include <u.h>
#include <libc.h>
#include <bio.h>
#include "dat.h"
Biobuf bout;
void
usage(void)
{
fprint(2, "usage: auxstats [system [executable]]\n");
exits("usage");
}
int pid;
void
notifyf(void *v, char *msg)
{
USED(v);
if(strstr(msg, "child"))
noted(NCONT);
if(pid)
postnote(PNPROC, pid, msg);
exits(nil);
}
void
main(int argc, char **argv)
{
char *sys, *exe;
int i;
Waitmsg *w;
ARGBEGIN{
default:
usage();
}ARGEND
notify(notifyf);
sys = nil;
exe = nil;
if(argc > 0)
sys = argv[0];
if(argc > 1)
exe = argv[1];
if(argc > 2)
usage();
if(sys){
if(exe == nil)
exe = "auxstats";
for(;;){
switch(pid = fork()){
case -1:
sysfatal("fork: %r");
case 0:
rfork(RFNOTEG);
execlp("ssh", "ssh", "-nTC", sys, exe, nil);
_exit(97);
default:
if((w = wait()) == nil)
sysfatal("wait: %r");
if(w->pid != pid)
sysfatal("wait got wrong pid");
if(atoi(w->msg) == 97)
sysfatal("exec ssh failed");
free(w);
fprint(2, "stats: %s hung up; sleeping 60\n", sys);
sleep(60*1000);
fprint(2, "stats: redialing %s\n", sys);
break;
}
}
}
for(i=0; statfn[i]; i++)
statfn[i](1);
Binit(&bout, 1, OWRITE);
for(;;){
Bflush(&bout);
sleep(900);
for(i=0; statfn[i]; i++)
statfn[i](0);
}
}
char buf[16384];
char *line[100];
char *tok[100];
int nline, ntok;
void
readfile(int fd)
{
int n;
if(fd == -1){
nline = 0;
return;
}
seek(fd, 0, 0);
n = read(fd, buf, sizeof buf-1);
if(n < 0)
n = 0;
buf[n] = 0;
nline = getfields(buf, line, nelem(line), 0, "\n");
}
void
tokens(int i)
{
if(i >= nline){
ntok = 0;
return;
}
ntok = tokenize(line[i], tok, nelem(tok));
}
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