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Diffstat (limited to 'src/pkg/net/tcpsock.go')
-rw-r--r--src/pkg/net/tcpsock.go272
1 files changed, 0 insertions, 272 deletions
diff --git a/src/pkg/net/tcpsock.go b/src/pkg/net/tcpsock.go
index a118fced4e..f5c0a27810 100644
--- a/src/pkg/net/tcpsock.go
+++ b/src/pkg/net/tcpsock.go
@@ -7,21 +7,9 @@
package net
import (
- "io"
"os"
- "syscall"
)
-func sockaddrToTCP(sa syscall.Sockaddr) Addr {
- switch sa := sa.(type) {
- case *syscall.SockaddrInet4:
- return &TCPAddr{sa.Addr[0:], sa.Port}
- case *syscall.SockaddrInet6:
- return &TCPAddr{sa.Addr[0:], sa.Port}
- }
- return nil
-}
-
// TCPAddr represents the address of a TCP end point.
type TCPAddr struct {
IP IP
@@ -38,27 +26,6 @@ func (a *TCPAddr) String() string {
return JoinHostPort(a.IP.String(), itoa(a.Port))
}
-func (a *TCPAddr) family() int {
- if a == nil || len(a.IP) <= 4 {
- return syscall.AF_INET
- }
- if a.IP.To4() != nil {
- return syscall.AF_INET
- }
- return syscall.AF_INET6
-}
-
-func (a *TCPAddr) sockaddr(family int) (syscall.Sockaddr, os.Error) {
- return ipToSockaddr(family, a.IP, a.Port)
-}
-
-func (a *TCPAddr) toAddr() sockaddr {
- if a == nil { // nil *TCPAddr
- return nil // nil interface
- }
- return a
-}
-
// ResolveTCPAddr parses addr as a TCP address of the form
// host:port and resolves domain names or port names to
// numeric addresses on the network net, which must be "tcp",
@@ -71,242 +38,3 @@ func ResolveTCPAddr(net, addr string) (*TCPAddr, os.Error) {
}
return &TCPAddr{ip, port}, nil
}
-
-// TCPConn is an implementation of the Conn interface
-// for TCP network connections.
-type TCPConn struct {
- fd *netFD
-}
-
-func newTCPConn(fd *netFD) *TCPConn {
- c := &TCPConn{fd}
- c.SetNoDelay(true)
- return c
-}
-
-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) {
- if !c.ok() {
- return 0, os.EINVAL
- }
- return c.fd.Read(b)
-}
-
-// ReadFrom implements the io.ReaderFrom ReadFrom method.
-func (c *TCPConn) ReadFrom(r io.Reader) (int64, os.Error) {
- if n, err, handled := sendFile(c.fd, r); handled {
- return n, err
- }
- return genericReadFrom(c, r)
-}
-
-// Write implements the net.Conn Write method.
-func (c *TCPConn) Write(b []byte) (n int, err os.Error) {
- if !c.ok() {
- return 0, os.EINVAL
- }
- return c.fd.Write(b)
-}
-
-// Close closes the TCP connection.
-func (c *TCPConn) Close() os.Error {
- if !c.ok() {
- return os.EINVAL
- }
- err := c.fd.Close()
- c.fd = nil
- return err
-}
-
-// LocalAddr returns the local network address, a *TCPAddr.
-func (c *TCPConn) LocalAddr() Addr {
- if !c.ok() {
- return nil
- }
- return c.fd.laddr
-}
-
-// RemoteAddr returns the remote network address, a *TCPAddr.
-func (c *TCPConn) RemoteAddr() Addr {
- if !c.ok() {
- return nil
- }
- return c.fd.raddr
-}
-
-// SetTimeout implements the net.Conn SetTimeout method.
-func (c *TCPConn) SetTimeout(nsec int64) os.Error {
- if !c.ok() {
- return os.EINVAL
- }
- return setTimeout(c.fd, nsec)
-}
-
-// SetReadTimeout implements the net.Conn SetReadTimeout method.
-func (c *TCPConn) SetReadTimeout(nsec int64) os.Error {
- if !c.ok() {
- return os.EINVAL
- }
- return setReadTimeout(c.fd, nsec)
-}
-
-// SetWriteTimeout implements the net.Conn SetWriteTimeout method.
-func (c *TCPConn) SetWriteTimeout(nsec int64) os.Error {
- if !c.ok() {
- return os.EINVAL
- }
- return setWriteTimeout(c.fd, nsec)
-}
-
-// SetReadBuffer sets the size of the operating system's
-// receive buffer associated with the connection.
-func (c *TCPConn) SetReadBuffer(bytes int) os.Error {
- if !c.ok() {
- return os.EINVAL
- }
- return setReadBuffer(c.fd, bytes)
-}
-
-// SetWriteBuffer sets the size of the operating system's
-// transmit buffer associated with the connection.
-func (c *TCPConn) SetWriteBuffer(bytes int) os.Error {
- if !c.ok() {
- return os.EINVAL
- }
- return setWriteBuffer(c.fd, bytes)
-}
-
-// SetLinger sets the behavior of Close() on a connection
-// which still has data waiting to be sent or to be acknowledged.
-//
-// If sec < 0 (the default), Close returns immediately and
-// the operating system finishes sending the data in the background.
-//
-// If sec == 0, Close returns immediately and the operating system
-// discards any unsent or unacknowledged data.
-//
-// 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 {
- if !c.ok() {
- return os.EINVAL
- }
- return setLinger(c.fd, sec)
-}
-
-// SetKeepAlive sets whether the operating system should send
-// keepalive messages on the connection.
-func (c *TCPConn) SetKeepAlive(keepalive bool) os.Error {
- if !c.ok() {
- return os.EINVAL
- }
- return setKeepAlive(c.fd, keepalive)
-}
-
-// SetNoDelay controls whether the operating system should delay
-// 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 {
- if !c.ok() {
- return os.EINVAL
- }
- return setNoDelay(c.fd, noDelay)
-}
-
-// 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() }
-
-// 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) {
- if raddr == nil {
- return nil, &OpError{"dial", "tcp", nil, errMissingAddress}
- }
- fd, e := internetSocket(net, laddr.toAddr(), raddr.toAddr(), syscall.SOCK_STREAM, 0, "dial", sockaddrToTCP)
- if e != nil {
- return nil, e
- }
- return newTCPConn(fd), nil
-}
-
-// TCPListener is a TCP network listener.
-// Clients should typically use variables of type Listener
-// instead of assuming TCP.
-type TCPListener struct {
- fd *netFD
-}
-
-// ListenTCP announces on the TCP address laddr and returns a TCP listener.
-// 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) {
- 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 {
- closesocket(fd.sysfd)
- return nil, &OpError{"listen", "tcp", laddr, os.Errno(errno)}
- }
- l = new(TCPListener)
- l.fd = fd
- return l, nil
-}
-
-// AcceptTCP accepts the next incoming call and returns the new connection
-// and the remote address.
-func (l *TCPListener) AcceptTCP() (c *TCPConn, err os.Error) {
- if l == nil || l.fd == nil || l.fd.sysfd < 0 {
- return nil, os.EINVAL
- }
- fd, err := l.fd.accept(sockaddrToTCP)
- if err != nil {
- return nil, err
- }
- return newTCPConn(fd), nil
-}
-
-// 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) {
- c1, err := l.AcceptTCP()
- if err != nil {
- return nil, err
- }
- return c1, nil
-}
-
-// Close stops listening on the TCP address.
-// Already Accepted connections are not closed.
-func (l *TCPListener) Close() os.Error {
- if l == nil || l.fd == nil {
- return os.EINVAL
- }
- return l.fd.Close()
-}
-
-// 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 {
- if l == nil || l.fd == nil {
- return os.EINVAL
- }
- return setTimeout(l.fd, nsec)
-}
-
-// 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() }