1 // Copyright 2015 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 net 6 7 import "os" 8 9 type fileAddr string 10 11 func (fileAddr) Network() string { return "file+net" } 12 func (f fileAddr) String() string { return string(f) } 13 14 // FileConn returns a copy of the network connection corresponding to 15 // the open file f. 16 // It is the caller's responsibility to close f when finished. 17 // Closing c does not affect f, and closing f does not affect c. 18 func FileConn(f *os.File) (c Conn, err error) { 19 c, err = fileConn(f) 20 if err != nil { 21 err = &OpError{Op: "file", Net: "file+net", Source: nil, Addr: fileAddr(f.Name()), Err: err} 22 } 23 return 24 } 25 26 // FileListener returns a copy of the network listener corresponding 27 // to the open file f. 28 // It is the caller's responsibility to close ln when finished. 29 // Closing ln does not affect f, and closing f does not affect ln. 30 func FileListener(f *os.File) (ln Listener, err error) { 31 ln, err = fileListener(f) 32 if err != nil { 33 err = &OpError{Op: "file", Net: "file+net", Source: nil, Addr: fileAddr(f.Name()), Err: err} 34 } 35 return 36 } 37 38 // FilePacketConn returns a copy of the packet network connection 39 // corresponding to the open file f. 40 // It is the caller's responsibility to close f when finished. 41 // Closing c does not affect f, and closing f does not affect c. 42 func FilePacketConn(f *os.File) (c PacketConn, err error) { 43 c, err = filePacketConn(f) 44 if err != nil { 45 err = &OpError{Op: "file", Net: "file+net", Source: nil, Addr: fileAddr(f.Name()), Err: err} 46 } 47 return 48 } 49
