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gmid
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[debug] print number of connected clients on SIGINFO 

or SIGUSR2 for poor peoples
This commit is contained in:
Omar Polo 2020-11-06 16:18:38 +01:00
parent aff8d19010
commit 120381c93d
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GPG Key ID: 35F98C96A1786F0D
1 changed files with 25 additions and 1 deletions
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gmid.c
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@ -110,6 +110,9 @@ struct etm { /* file extension to mime */
const char *dir;
int dirfd, logfd;
int cgi;
int connected_clients;
void siginfo_handler(int);
char *url_after_proto(char*);
char *url_start_of_request(char*);
@ -138,6 +141,12 @@ void loop(struct tls*, int);
void usage(const char*);
void
siginfo_handler(int sig)
{
(void)sig;
}
char *
url_after_proto(char *url)
{
@ -760,6 +769,7 @@ do_accept(int sock, struct tls *ctx, struct pollfd *fds, struct client *clients)
clients[i].af = AF_INET;
clients[i].addr = addr.sin_addr;
connected_clients++;
return;
}
}
@ -784,6 +794,8 @@ goodbye(struct pollfd *pfd, struct client *c)
return;
}
connected_clients--;
tls_free(c->ctx);
c->ctx = NULL;
@ -813,8 +825,13 @@ loop(struct tls *ctx, int sock)
fds[0].fd = sock;
for (;;) {
if ((todo = poll(fds, MAX_USERS, INFTIM)) == -1)
if ((todo = poll(fds, MAX_USERS, INFTIM)) == -1) {
if (errno == EINTR) {
warnx("connected clients: %d", connected_clients);
continue;
}
err(1, "poll");
}
for (i = 0; i < MAX_USERS; i++) {
assert(i < MAX_USERS);
@ -865,6 +882,13 @@ main(int argc, char **argv)
signal(SIGPIPE, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
#ifdef SIGINFO
signal(SIGINFO, siginfo_handler);
#endif
signal(SIGUSR2, siginfo_handler);
connected_clients = 0;
dir = "docs/";
logfd = 2; /* stderr */
cgi = 0;