gitee.com/ks-custle/core-gm@v0.0.0-20230922171213-b83bdd97b62c/net/ipv4/payload.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package ipv4
     6  
     7  import (
     8  	"net"
     9  
    10  	"gitee.com/ks-custle/core-gm/net/internal/socket"
    11  )
    12  
    13  // BUG(mikio): On Windows, the ControlMessage for ReadFrom and WriteTo
    14  // methods of PacketConn is not implemented.
    15  
    16  // A payloadHandler represents the IPv4 datagram payload handler.
    17  type payloadHandler struct {
    18  	net.PacketConn
    19  	*socket.Conn
    20  	rawOpt
    21  }
    22  
    23  func (c *payloadHandler) ok() bool { return c != nil && c.PacketConn != nil && c.Conn != nil }