C++ (Cpp) proc_update_event Examples

Example #1

File: proc.c Project: icetan/tmux

static void
proc_event_cb(unused int fd, short events, void *arg)
{
	struct tmuxpeer	*peer = arg;
	ssize_t		 n;
	struct imsg	 imsg;
	int		 v;

	if (!(peer->flags & PEER_BAD) && (events & EV_READ)) {
		if ((n = imsg_read(&peer->ibuf)) == -1 || n == 0) {
			peer->dispatchcb(NULL, peer->arg);
			return;
		}
		for (;;) {
			if ((n = imsg_get(&peer->ibuf, &imsg)) == -1) {
				peer->dispatchcb(NULL, peer->arg);
				return;
			}
			if (n == 0)
				break;
			log_debug("peer %p message %d", peer, imsg.hdr.type);

			v = imsg.hdr.peerid;
			if (imsg.hdr.type != MSG_VERSION &&
			    v != PROTOCOL_VERSION) {
				log_debug("peer %p bad version %d", peer, v);

				proc_send(peer, MSG_VERSION, -1, NULL, 0);
				peer->flags |= PEER_BAD;

				if (imsg.fd != -1)
					close(imsg.fd);
				imsg_free(&imsg);
				break;
			}

			peer->dispatchcb(&imsg, peer->arg);
			imsg_free(&imsg);
		}
	}

	if (events & EV_WRITE) {
		if (msgbuf_write(&peer->ibuf.w) <= 0 && errno != EAGAIN) {
			peer->dispatchcb(NULL, peer->arg);
			return;
		}
	}

	if ((peer->flags & PEER_BAD) && peer->ibuf.w.queued == 0) {
		peer->dispatchcb(NULL, peer->arg);
		return;
	}

	proc_update_event(peer);
}

Example #2

File: proc.c Project: abergmann/tmate-slave

static void
proc_event_cb(__unused int fd, short events, void *arg)
{
	struct tmuxpeer	*peer = arg;
	ssize_t		 n;
	struct imsg	 imsg;

	if (!(peer->flags & PEER_BAD) && (events & EV_READ)) {
		if (((n = imsg_read(&peer->ibuf)) == -1 && errno != EAGAIN) ||
		    n == 0) {
			peer->dispatchcb(NULL, peer->arg);
			return;
		}
		for (;;) {
			if ((n = imsg_get(&peer->ibuf, &imsg)) == -1) {
				peer->dispatchcb(NULL, peer->arg);
				return;
			}
			if (n == 0)
				break;
			log_debug("peer %p message %d", peer, imsg.hdr.type);

			if (peer_check_version(peer, &imsg) != 0) {
				if (imsg.fd != -1)
					close(imsg.fd);
				imsg_free(&imsg);
				break;
			}

			peer->dispatchcb(&imsg, peer->arg);
			imsg_free(&imsg);
		}
	}

	if (events & EV_WRITE) {
		if (msgbuf_write(&peer->ibuf.w) <= 0 && errno != EAGAIN) {
			peer->dispatchcb(NULL, peer->arg);
			return;
		}
	}

	if ((peer->flags & PEER_BAD) && peer->ibuf.w.queued == 0) {
		peer->dispatchcb(NULL, peer->arg);
		return;
	}

	proc_update_event(peer);
}

Example #3

File: proc.c Project: abergmann/tmate-slave

int
proc_send(struct tmuxpeer *peer, enum msgtype type, int fd, const void *buf,
    size_t len)
{
	struct imsgbuf	*ibuf = &peer->ibuf;
	void		*vp = (void *)buf;
	int		 retval;

	if (peer->flags & PEER_BAD)
		return (-1);
	log_debug("sending message %d to peer %p (%zu bytes)", type, peer, len);

	retval = imsg_compose(ibuf, type, PROTOCOL_VERSION, -1, fd, vp, len);
	if (retval != 1)
		return (-1);
	proc_update_event(peer);
	return (0);
}

Example #4

File: proc.c Project: abergmann/tmate-slave

struct tmuxpeer *
proc_add_peer(struct tmuxproc *tp, int fd,
    void (*dispatchcb)(struct imsg *, void *), void *arg)
{
	struct tmuxpeer	*peer;

	peer = xcalloc(1, sizeof *peer);
	peer->parent = tp;

	peer->dispatchcb = dispatchcb;
	peer->arg = arg;

	imsg_init(&peer->ibuf, fd);
	event_set(&peer->event, fd, EV_READ, proc_event_cb, peer);

	log_debug("add peer %p: %d (%p)", peer, fd, arg);

	proc_update_event(peer);
	return (peer);
}