예제 #1
0
파일: req.go 프로젝트: laszlo-kiss/mangos
func (r *req) receiver(ep mangos.Endpoint) {
	rq := r.sock.RecvChannel()
	cq := r.sock.CloseChannel()

	for {
		m := ep.RecvMsg()
		if m == nil {
			break
		}

		if len(m.Body) < 4 {
			m.Free()
			continue
		}
		m.Header = append(m.Header, m.Body[:4]...)
		m.Body = m.Body[4:]

		select {
		case rq <- m:
		case <-cq:
			m.Free()
			break
		}
	}
}
예제 #2
0
파일: pull.go 프로젝트: laszlo-kiss/mangos
func (x *pull) receiver(ep mangos.Endpoint) {
	rq := x.sock.RecvChannel()
	cq := x.sock.CloseChannel()
	for {

		m := ep.RecvMsg()
		if m == nil {
			return
		}

		select {
		case rq <- m:
		case <-cq:
			return
		}
	}
}
예제 #3
0
파일: rep.go 프로젝트: laszlo-kiss/mangos
func (r *rep) receiver(ep mangos.Endpoint) {

	rq := r.sock.RecvChannel()
	cq := r.sock.CloseChannel()

	for {

		m := ep.RecvMsg()
		if m == nil {
			return
		}

		v := ep.GetID()
		m.Header = append(m.Header,
			byte(v>>24), byte(v>>16), byte(v>>8), byte(v))

		hops := 0
		// Move backtrace from body to header.
		for {
			if hops >= r.ttl {
				m.Free() // ErrTooManyHops
				return
			}
			hops++
			if len(m.Body) < 4 {
				m.Free() // ErrGarbled
				return
			}
			m.Header = append(m.Header, m.Body[:4]...)
			m.Body = m.Body[4:]
			// Check for high order bit set (0x80000000, big endian)
			if m.Header[len(m.Header)-4]&0x80 != 0 {
				break
			}
		}

		select {
		case rq <- m:
		case <-cq:
			m.Free()
			return
		}
	}
}
예제 #4
0
func (x *resp) receiver(ep mangos.Endpoint) {

	rq := x.sock.RecvChannel()
	cq := x.sock.CloseChannel()

outer:
	for {
		m := ep.RecvMsg()
		if m == nil {
			return
		}

		v := ep.GetID()
		m.Header = append(m.Header,
			byte(v>>24), byte(v>>16), byte(v>>8), byte(v))
		hops := 0

		for {
			if hops >= x.ttl {
				m.Free() // ErrTooManyHops
				continue outer
			}
			hops++
			if len(m.Body) < 4 {
				m.Free()
				continue outer
			}
			m.Header = append(m.Header, m.Body[:4]...)
			m.Body = m.Body[4:]
			if m.Header[len(m.Header)-4]&0x80 != 0 {
				break
			}
		}

		select {
		case rq <- m:
		case <-cq:
			m.Free()
			return
		}
	}
}
예제 #5
0
파일: sub.go 프로젝트: laszlo-kiss/mangos
func (s *sub) receiver(ep mangos.Endpoint) {

	rq := s.sock.RecvChannel()
	cq := s.sock.CloseChannel()

	for {
		var matched = false

		m := ep.RecvMsg()
		if m == nil {
			return
		}

		s.Lock()
		for _, sub := range s.subs {
			if bytes.HasPrefix(m.Body, sub) {
				// Matched, send it up.  Best effort.
				matched = true
				break
			}
		}
		s.Unlock()

		if !matched {
			m.Free()
			continue
		}

		select {
		case rq <- m:
		case <-cq:
			m.Free()
			return
		default: // no room, drop it
			m.Free()
		}
	}
}