diff options
Diffstat (limited to 'src/pkg/net/sock.go')
-rw-r--r-- | src/pkg/net/sock.go | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/pkg/net/sock.go b/src/pkg/net/sock.go deleted file mode 100644 index 821716e43..000000000 --- a/src/pkg/net/sock.go +++ /dev/null @@ -1,166 +0,0 @@ -// Copyright 2009 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. - -// Sockets - -package net - -import ( - "io" - "os" - "reflect" - "syscall" -) - -// Boolean to int. -func boolint(b bool) int { - if b { - return 1 - } - return 0 -} - -// Generic socket creation. -func socket(net string, f, p, t int, la, ra syscall.Sockaddr, toAddr func(syscall.Sockaddr) Addr) (fd *netFD, err os.Error) { - // See ../syscall/exec.go for description of ForkLock. - syscall.ForkLock.RLock() - s, e := syscall.Socket(f, p, t) - if e != 0 { - syscall.ForkLock.RUnlock() - return nil, os.Errno(e) - } - syscall.CloseOnExec(s) - syscall.ForkLock.RUnlock() - - setKernelSpecificSockopt(s, f) - - if la != nil { - e = syscall.Bind(s, la) - if e != 0 { - closesocket(s) - return nil, os.Errno(e) - } - } - - if fd, err = newFD(s, f, p, net); err != nil { - closesocket(s) - return nil, err - } - - if ra != nil { - if err = fd.connect(ra); err != nil { - fd.Close() - return nil, err - } - } - - sa, _ := syscall.Getsockname(s) - laddr := toAddr(sa) - sa, _ = syscall.Getpeername(s) - raddr := toAddr(sa) - - fd.setAddr(laddr, raddr) - return fd, nil -} - -func setsockoptInt(fd *netFD, level, opt int, value int) os.Error { - return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, level, opt, value)) -} - -func setsockoptNsec(fd *netFD, level, opt int, nsec int64) os.Error { - var tv = syscall.NsecToTimeval(nsec) - return os.NewSyscallError("setsockopt", syscall.SetsockoptTimeval(fd.sysfd, level, opt, &tv)) -} - -func setReadBuffer(fd *netFD, bytes int) os.Error { - fd.incref() - defer fd.decref() - return setsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF, bytes) -} - -func setWriteBuffer(fd *netFD, bytes int) os.Error { - fd.incref() - defer fd.decref() - return setsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF, bytes) -} - -func setReadTimeout(fd *netFD, nsec int64) os.Error { - fd.rdeadline_delta = nsec - return nil -} - -func setWriteTimeout(fd *netFD, nsec int64) os.Error { - fd.wdeadline_delta = nsec - return nil -} - -func setTimeout(fd *netFD, nsec int64) os.Error { - if e := setReadTimeout(fd, nsec); e != nil { - return e - } - return setWriteTimeout(fd, nsec) -} - -func setReuseAddr(fd *netFD, reuse bool) os.Error { - fd.incref() - defer fd.decref() - return setsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, boolint(reuse)) -} - -func bindToDevice(fd *netFD, dev string) os.Error { - // TODO(rsc): call setsockopt with null-terminated string pointer - return os.EINVAL -} - -func setDontRoute(fd *netFD, dontroute bool) os.Error { - fd.incref() - defer fd.decref() - return setsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_DONTROUTE, boolint(dontroute)) -} - -func setKeepAlive(fd *netFD, keepalive bool) os.Error { - fd.incref() - defer fd.decref() - return setsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, boolint(keepalive)) -} - -func setNoDelay(fd *netFD, noDelay bool) os.Error { - fd.incref() - defer fd.decref() - return setsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(noDelay)) -} - -func setLinger(fd *netFD, sec int) os.Error { - var l syscall.Linger - if sec >= 0 { - l.Onoff = 1 - l.Linger = int32(sec) - } else { - l.Onoff = 0 - l.Linger = 0 - } - fd.incref() - defer fd.decref() - e := syscall.SetsockoptLinger(fd.sysfd, syscall.SOL_SOCKET, syscall.SO_LINGER, &l) - return os.NewSyscallError("setsockopt", e) -} - -type UnknownSocketError struct { - sa syscall.Sockaddr -} - -func (e *UnknownSocketError) String() string { - return "unknown socket address type " + reflect.TypeOf(e.sa).String() -} - -type writerOnly struct { - io.Writer -} - -// Fallback implementation of io.ReaderFrom's ReadFrom, when sendfile isn't -// applicable. -func genericReadFrom(w io.Writer, r io.Reader) (n int64, err os.Error) { - // Use wrapper to hide existing r.ReadFrom from io.Copy. - return io.Copy(writerOnly{w}, r) -} |