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pull.go
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pull.go
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// Copyright 2018 The go-zeromq Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package zmq4
import (
"context"
"fmt"
"net"
)
// NewPull returns a new PULL ZeroMQ socket.
// The returned socket value is initially unbound.
func NewPull(ctx context.Context, opts ...Option) Socket {
pull := &pullSocket{newSocket(ctx, Pull, opts...)}
pull.sck.w = nil
return pull
}
// pullSocket is a PULL ZeroMQ socket.
type pullSocket struct {
sck *socket
}
// Close closes the open Socket
func (pull *pullSocket) Close() error {
return pull.sck.Close()
}
// Send puts the message on the outbound send queue.
// Send blocks until the message can be queued or the send deadline expires.
func (*pullSocket) Send(msg Msg) error {
return fmt.Errorf("zmq4: PULL sockets can't send messages")
}
// SendMulti puts the message on the outbound send queue.
// SendMulti blocks until the message can be queued or the send deadline expires.
// The message will be sent as a multipart message.
func (pull *pullSocket) SendMulti(msg Msg) error {
return fmt.Errorf("zmq4: PULL sockets can't send messages")
}
// Recv receives a complete message.
func (pull *pullSocket) Recv() (Msg, error) {
return pull.sck.Recv()
}
// Listen connects a local endpoint to the Socket.
func (pull *pullSocket) Listen(ep string) error {
return pull.sck.Listen(ep)
}
// Dial connects a remote endpoint to the Socket.
func (pull *pullSocket) Dial(ep string) error {
return pull.sck.Dial(ep)
}
// Type returns the type of this Socket (PUB, SUB, ...)
func (pull *pullSocket) Type() SocketType {
return pull.sck.Type()
}
// Addr returns the listener's address.
// Addr returns nil if the socket isn't a listener.
func (pull *pullSocket) Addr() net.Addr {
return pull.sck.Addr()
}
// GetOption is used to retrieve an option for a socket.
func (pull *pullSocket) GetOption(name string) (interface{}, error) {
return pull.sck.GetOption(name)
}
// SetOption is used to set an option for a socket.
func (pull *pullSocket) SetOption(name string, value interface{}) error {
return pull.sck.SetOption(name, value)
}
var (
_ Socket = (*pullSocket)(nil)
)