diff options
Diffstat (limited to 'src/pkg/net/file.go')
-rw-r--r-- | src/pkg/net/file.go | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/pkg/net/file.go b/src/pkg/net/file.go deleted file mode 100644 index 0e411a192..000000000 --- a/src/pkg/net/file.go +++ /dev/null @@ -1,119 +0,0 @@ -// Copyright 2011 The Go 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 net - -import ( - "os" - "syscall" -) - -func newFileFD(f *os.File) (nfd *netFD, err os.Error) { - fd, errno := syscall.Dup(f.Fd()) - if errno != 0 { - return nil, os.NewSyscallError("dup", errno) - } - - proto, errno := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_TYPE) - if errno != 0 { - return nil, os.NewSyscallError("getsockopt", errno) - } - - toAddr := sockaddrToTCP - sa, _ := syscall.Getsockname(fd) - switch sa.(type) { - default: - closesocket(fd) - return nil, os.EINVAL - case *syscall.SockaddrInet4: - if proto == syscall.SOCK_DGRAM { - toAddr = sockaddrToUDP - } else if proto == syscall.SOCK_RAW { - toAddr = sockaddrToIP - } - case *syscall.SockaddrInet6: - if proto == syscall.SOCK_DGRAM { - toAddr = sockaddrToUDP - } else if proto == syscall.SOCK_RAW { - toAddr = sockaddrToIP - } - case *syscall.SockaddrUnix: - toAddr = sockaddrToUnix - if proto == syscall.SOCK_DGRAM { - toAddr = sockaddrToUnixgram - } else if proto == syscall.SOCK_SEQPACKET { - toAddr = sockaddrToUnixpacket - } - } - laddr := toAddr(sa) - sa, _ = syscall.Getpeername(fd) - raddr := toAddr(sa) - - if nfd, err = newFD(fd, 0, proto, laddr.Network()); err != nil { - return nil, err - } - nfd.setAddr(laddr, raddr) - return nfd, nil -} - -// FileConn returns a copy of the network connection corresponding to -// the open file f. It is the caller's responsibility to close f when -// finished. Closing c does not affect f, and closing f does not -// affect c. -func FileConn(f *os.File) (c Conn, err os.Error) { - fd, err := newFileFD(f) - if err != nil { - return nil, err - } - switch fd.laddr.(type) { - case *TCPAddr: - return newTCPConn(fd), nil - case *UDPAddr: - return newUDPConn(fd), nil - case *UnixAddr: - return newUnixConn(fd), nil - case *IPAddr: - return newIPConn(fd), nil - } - fd.Close() - return nil, os.EINVAL -} - -// FileListener returns a copy of the network listener corresponding -// to the open file f. It is the caller's responsibility to close l -// when finished. Closing c does not affect l, and closing l does not -// affect c. -func FileListener(f *os.File) (l Listener, err os.Error) { - fd, err := newFileFD(f) - if err != nil { - return nil, err - } - switch laddr := fd.laddr.(type) { - case *TCPAddr: - return &TCPListener{fd}, nil - case *UnixAddr: - return &UnixListener{fd, laddr.Name}, nil - } - fd.Close() - return nil, os.EINVAL -} - -// FilePacketConn returns a copy of the packet network connection -// corresponding to the open file f. It is the caller's -// responsibility to close f when finished. Closing c does not affect -// f, and closing f does not affect c. -func FilePacketConn(f *os.File) (c PacketConn, err os.Error) { - fd, err := newFileFD(f) - if err != nil { - return nil, err - } - switch fd.laddr.(type) { - case *UDPAddr: - return newUDPConn(fd), nil - case *UnixAddr: - return newUnixConn(fd), nil - } - fd.Close() - return nil, os.EINVAL -} |