static void
signal_cb(uv_signal_t *handle, int signum) {
if (signum == SIGINT || signum == SIGQUIT) {
char *name = signum == SIGINT ? "SIGINT" : "SIGQUIT";
logger_log(LOG_INFO, "Received %s, scheduling shutdown...", name);
close_signal();
if (concurrency > 1) {
struct server_context *servers = handle->data;
for (int i = 0; i < concurrency; i++) {
struct server_context *server = &servers[i];
uv_async_send(&server->async_handle);
}
} else {
struct server_context *ctx = handle->data;
uv_close((uv_handle_t *)&ctx->tcp, NULL);
udprelay_close(ctx);
}
}
if (signum == SIGTERM) {
logger_log(LOG_INFO, "Received SIGTERM, scheduling shutdown...");
if (daemon_mode) {
delete_pidfile(pidfile);
}
exit(0);
}
}
static void
consumer_close(uv_async_t *handle) {
struct server_context *server = container_of(handle, struct server_context, async_handle);
uv_close((uv_handle_t*) &server->tcp, NULL);
uv_close((uv_handle_t*) &server->async_handle, NULL);
if (server->udprelay) {
udprelay_close(server);
}
if (server->nameserver_num >= 0) {
struct resolver_context *res = handle->loop->data;
resolver_shutdown(res);
}
}
