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path: root/src/pkg/net/tcpsock_posix.go
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Diffstat (limited to 'src/pkg/net/tcpsock_posix.go')
-rw-r--r--src/pkg/net/tcpsock_posix.go88
1 files changed, 54 insertions, 34 deletions
diff --git a/src/pkg/net/tcpsock_posix.go b/src/pkg/net/tcpsock_posix.go
index 35d536c31..65ec49303 100644
--- a/src/pkg/net/tcpsock_posix.go
+++ b/src/pkg/net/tcpsock_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin freebsd linux openbsd windows
+// +build darwin freebsd linux netbsd openbsd windows
// TCP sockets
@@ -12,6 +12,7 @@ import (
"io"
"os"
"syscall"
+ "time"
)
// BUG(rsc): On OpenBSD, listening on the "tcp" network does not listen for
@@ -39,7 +40,7 @@ func (a *TCPAddr) family() int {
return syscall.AF_INET6
}
-func (a *TCPAddr) sockaddr(family int) (syscall.Sockaddr, os.Error) {
+func (a *TCPAddr) sockaddr(family int) (syscall.Sockaddr, error) {
return ipToSockaddr(family, a.IP, a.Port)
}
@@ -67,7 +68,7 @@ func (c *TCPConn) ok() bool { return c != nil && c.fd != nil }
// Implementation of the Conn interface - see Conn for documentation.
// Read implements the net.Conn Read method.
-func (c *TCPConn) Read(b []byte) (n int, err os.Error) {
+func (c *TCPConn) Read(b []byte) (n int, err error) {
if !c.ok() {
return 0, os.EINVAL
}
@@ -75,7 +76,7 @@ func (c *TCPConn) Read(b []byte) (n int, err os.Error) {
}
// ReadFrom implements the io.ReaderFrom ReadFrom method.
-func (c *TCPConn) ReadFrom(r io.Reader) (int64, os.Error) {
+func (c *TCPConn) ReadFrom(r io.Reader) (int64, error) {
if n, err, handled := sendFile(c.fd, r); handled {
return n, err
}
@@ -83,7 +84,7 @@ func (c *TCPConn) ReadFrom(r io.Reader) (int64, os.Error) {
}
// Write implements the net.Conn Write method.
-func (c *TCPConn) Write(b []byte) (n int, err os.Error) {
+func (c *TCPConn) Write(b []byte) (n int, err error) {
if !c.ok() {
return 0, os.EINVAL
}
@@ -91,7 +92,7 @@ func (c *TCPConn) Write(b []byte) (n int, err os.Error) {
}
// Close closes the TCP connection.
-func (c *TCPConn) Close() os.Error {
+func (c *TCPConn) Close() error {
if !c.ok() {
return os.EINVAL
}
@@ -100,6 +101,24 @@ func (c *TCPConn) Close() os.Error {
return err
}
+// CloseRead shuts down the reading side of the TCP connection.
+// Most callers should just use Close.
+func (c *TCPConn) CloseRead() error {
+ if !c.ok() {
+ return os.EINVAL
+ }
+ return c.fd.CloseRead()
+}
+
+// CloseWrite shuts down the writing side of the TCP connection.
+// Most callers should just use Close.
+func (c *TCPConn) CloseWrite() error {
+ if !c.ok() {
+ return os.EINVAL
+ }
+ return c.fd.CloseWrite()
+}
+
// LocalAddr returns the local network address, a *TCPAddr.
func (c *TCPConn) LocalAddr() Addr {
if !c.ok() {
@@ -116,33 +135,33 @@ func (c *TCPConn) RemoteAddr() Addr {
return c.fd.raddr
}
-// SetTimeout implements the net.Conn SetTimeout method.
-func (c *TCPConn) SetTimeout(nsec int64) os.Error {
+// SetDeadline implements the net.Conn SetDeadline method.
+func (c *TCPConn) SetDeadline(t time.Time) error {
if !c.ok() {
return os.EINVAL
}
- return setTimeout(c.fd, nsec)
+ return setDeadline(c.fd, t)
}
-// SetReadTimeout implements the net.Conn SetReadTimeout method.
-func (c *TCPConn) SetReadTimeout(nsec int64) os.Error {
+// SetReadDeadline implements the net.Conn SetReadDeadline method.
+func (c *TCPConn) SetReadDeadline(t time.Time) error {
if !c.ok() {
return os.EINVAL
}
- return setReadTimeout(c.fd, nsec)
+ return setReadDeadline(c.fd, t)
}
-// SetWriteTimeout implements the net.Conn SetWriteTimeout method.
-func (c *TCPConn) SetWriteTimeout(nsec int64) os.Error {
+// SetWriteDeadline implements the net.Conn SetWriteDeadline method.
+func (c *TCPConn) SetWriteDeadline(t time.Time) error {
if !c.ok() {
return os.EINVAL
}
- return setWriteTimeout(c.fd, nsec)
+ return setWriteDeadline(c.fd, t)
}
// SetReadBuffer sets the size of the operating system's
// receive buffer associated with the connection.
-func (c *TCPConn) SetReadBuffer(bytes int) os.Error {
+func (c *TCPConn) SetReadBuffer(bytes int) error {
if !c.ok() {
return os.EINVAL
}
@@ -151,7 +170,7 @@ func (c *TCPConn) SetReadBuffer(bytes int) os.Error {
// SetWriteBuffer sets the size of the operating system's
// transmit buffer associated with the connection.
-func (c *TCPConn) SetWriteBuffer(bytes int) os.Error {
+func (c *TCPConn) SetWriteBuffer(bytes int) error {
if !c.ok() {
return os.EINVAL
}
@@ -169,7 +188,7 @@ func (c *TCPConn) SetWriteBuffer(bytes int) os.Error {
//
// If sec > 0, Close blocks for at most sec seconds waiting for
// data to be sent and acknowledged.
-func (c *TCPConn) SetLinger(sec int) os.Error {
+func (c *TCPConn) SetLinger(sec int) error {
if !c.ok() {
return os.EINVAL
}
@@ -178,7 +197,7 @@ func (c *TCPConn) SetLinger(sec int) os.Error {
// SetKeepAlive sets whether the operating system should send
// keepalive messages on the connection.
-func (c *TCPConn) SetKeepAlive(keepalive bool) os.Error {
+func (c *TCPConn) SetKeepAlive(keepalive bool) error {
if !c.ok() {
return os.EINVAL
}
@@ -189,7 +208,7 @@ func (c *TCPConn) SetKeepAlive(keepalive bool) os.Error {
// packet transmission in hopes of sending fewer packets
// (Nagle's algorithm). The default is true (no delay), meaning
// that data is sent as soon as possible after a Write.
-func (c *TCPConn) SetNoDelay(noDelay bool) os.Error {
+func (c *TCPConn) SetNoDelay(noDelay bool) error {
if !c.ok() {
return os.EINVAL
}
@@ -199,14 +218,14 @@ func (c *TCPConn) SetNoDelay(noDelay bool) os.Error {
// File returns a copy of the underlying os.File, set to blocking mode.
// 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 (c *TCPConn) File() (f *os.File, err os.Error) { return c.fd.dup() }
+func (c *TCPConn) File() (f *os.File, err error) { return c.fd.dup() }
// DialTCP connects to the remote address raddr on the network net,
// which must be "tcp", "tcp4", or "tcp6". If laddr is not nil, it is used
// as the local address for the connection.
-func DialTCP(net string, laddr, raddr *TCPAddr) (c *TCPConn, err os.Error) {
+func DialTCP(net string, laddr, raddr *TCPAddr) (c *TCPConn, err error) {
if raddr == nil {
- return nil, &OpError{"dial", "tcp", nil, errMissingAddress}
+ return nil, &OpError{"dial", net, nil, errMissingAddress}
}
fd, e := internetSocket(net, laddr.toAddr(), raddr.toAddr(), syscall.SOCK_STREAM, 0, "dial", sockaddrToTCP)
if e != nil {
@@ -226,15 +245,15 @@ type TCPListener struct {
// Net must be "tcp", "tcp4", or "tcp6".
// If laddr has a port of 0, it means to listen on some available port.
// The caller can use l.Addr() to retrieve the chosen address.
-func ListenTCP(net string, laddr *TCPAddr) (l *TCPListener, err os.Error) {
+func ListenTCP(net string, laddr *TCPAddr) (l *TCPListener, err error) {
fd, err := internetSocket(net, laddr.toAddr(), nil, syscall.SOCK_STREAM, 0, "listen", sockaddrToTCP)
if err != nil {
return nil, err
}
- errno := syscall.Listen(fd.sysfd, listenBacklog())
- if errno != 0 {
+ err = syscall.Listen(fd.sysfd, listenerBacklog)
+ if err != nil {
closesocket(fd.sysfd)
- return nil, &OpError{"listen", "tcp", laddr, os.Errno(errno)}
+ return nil, &OpError{"listen", net, laddr, err}
}
l = new(TCPListener)
l.fd = fd
@@ -243,7 +262,7 @@ func ListenTCP(net string, laddr *TCPAddr) (l *TCPListener, err os.Error) {
// AcceptTCP accepts the next incoming call and returns the new connection
// and the remote address.
-func (l *TCPListener) AcceptTCP() (c *TCPConn, err os.Error) {
+func (l *TCPListener) AcceptTCP() (c *TCPConn, err error) {
if l == nil || l.fd == nil || l.fd.sysfd < 0 {
return nil, os.EINVAL
}
@@ -256,7 +275,7 @@ func (l *TCPListener) AcceptTCP() (c *TCPConn, err os.Error) {
// Accept implements the Accept method in the Listener interface;
// it waits for the next call and returns a generic Conn.
-func (l *TCPListener) Accept() (c Conn, err os.Error) {
+func (l *TCPListener) Accept() (c Conn, err error) {
c1, err := l.AcceptTCP()
if err != nil {
return nil, err
@@ -266,7 +285,7 @@ func (l *TCPListener) Accept() (c Conn, err os.Error) {
// Close stops listening on the TCP address.
// Already Accepted connections are not closed.
-func (l *TCPListener) Close() os.Error {
+func (l *TCPListener) Close() error {
if l == nil || l.fd == nil {
return os.EINVAL
}
@@ -276,15 +295,16 @@ func (l *TCPListener) Close() os.Error {
// Addr returns the listener's network address, a *TCPAddr.
func (l *TCPListener) Addr() Addr { return l.fd.laddr }
-// SetTimeout sets the deadline associated with the listener
-func (l *TCPListener) SetTimeout(nsec int64) os.Error {
+// SetDeadline sets the deadline associated with the listener.
+// A zero time value disables the deadline.
+func (l *TCPListener) SetDeadline(t time.Time) error {
if l == nil || l.fd == nil {
return os.EINVAL
}
- return setTimeout(l.fd, nsec)
+ return setDeadline(l.fd, t)
}
// File returns a copy of the underlying os.File, set to blocking mode.
// 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 (l *TCPListener) File() (f *os.File, err os.Error) { return l.fd.dup() }
+func (l *TCPListener) File() (f *os.File, err error) { return l.fd.dup() }