SJ_PRIVATE enum v7_err Http_request_set_timeout(struct v7 *v7, v7_val_t *res) {
enum v7_err rcode = V7_OK;
DECLARE_CONN();
struct user_data *ud = (struct user_data *) c->user_data;
mg_set_timer(c, time(NULL) + v7_to_number(v7_arg(v7, 0)) / 1000.0);
ud->timeout_callback = v7_arg(v7, 1);
v7_own(v7, &ud->timeout_callback);
*res = v7_get_this(v7);
clean:
return rcode;
}
/* Main event handler. */
static void ev_handler(struct mg_connection *nc, int ev, void *p) {
switch (ev) {
case MG_EV_HTTP_REQUEST: {
struct http_message *hm = (struct http_message *) p;
struct session *s = get_session(hm);
/* Ask the user to log in if they did not present a valid cookie. */
if (s == NULL) {
mg_printf(nc,
"HTTP/1.0 302 Found\r\n"
"Location: /login.html\r\n"
"\r\n"
"Please log in");
nc->flags |= MG_F_SEND_AND_CLOSE;
break;
}
/*
* Serve the page that was requested.
* Save session in user_data for use by SSI calls.
*/
fprintf(stderr, "%s (sid %" INT64_X_FMT ") requested %.*s\n", s->user,
s->id, (int) hm->uri.len, hm->uri.p);
nc->user_data = s;
mg_serve_http(nc, (struct http_message *) p, s_http_server_opts);
break;
}
case MG_EV_SSI_CALL: {
/* Expand variables in a page by using session data. */
const char *var = (const char *) p;
const struct session *s = (const struct session *) nc->user_data;
if (strcmp(var, "user") == 0) {
mg_printf_html_escape(nc, "%s", s->user);
} else if (strcmp(var, "lucky_number") == 0) {
mg_printf_html_escape(nc, "%d", s->lucky_number);
}
break;
}
case MG_EV_TIMER: {
/* Perform session maintenance. */
check_sessions();
mg_set_timer(nc, mg_time() + SESSION_CHECK_INTERVAL);
break;
}
}
}
int main(void) {
struct mg_mgr mgr;
struct mg_connection *nc;
srand(mg_time());
mg_mgr_init(&mgr, NULL);
nc = mg_bind(&mgr, s_http_port, ev_handler);
mg_set_protocol_http_websocket(nc);
s_http_server_opts.document_root = ".";
mg_register_http_endpoint(nc, "/login.html", login_handler);
mg_register_http_endpoint(nc, "/logout", logout_handler);
mg_set_timer(nc, mg_time() + SESSION_CHECK_INTERVAL);
printf("Starting web server on port %s\n", s_http_port);
for (;;) {
mg_mgr_poll(&mgr, 1000);
}
mg_mgr_free(&mgr);
return 0;
}