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java.net.SocketImpl翻译

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<H2>

java.net
 
Class SocketImpl</H2>
<PRE>
<A HREF="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</A>
<IMG SRC="../../resources/inherit.gif" ALT="extended by">java.net.SocketImpl
</PRE>
<DL>
<DT>All Implemented Interfaces: <DD><A HREF="../../java/net/SocketOptions.html" title="interface in java.net">SocketOptions</A></DD>
</DL>
<HR>
<DL>
<DT>public abstract class SocketImpl<DT>extends <A HREF="../../java/lang/Object.html" title="class in java.lang">Object</A><DT>implements <A HREF="../../java/net/SocketOptions.html" title="interface in java.net">SocketOptions</A></DL>

The abstract class <code>SocketImpl</code> is a common superclass
of all classes that actually implement sockets. It is used to
create both client and server sockets.
抽象类SocketImpl是所有实际实现套接字的类的父类，既用于创建客户端，也用于创建服务器。

A "plain" socket implements these methods exactly as
described, without attempting to go through a firewall or proxy.
空白套接字实现了下面描述的方法，并不考虑通过防火墙或代理服务器。

<DL>
<DT>Since:</DT>
<DD>JDK1.0</DD>
</DL>
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<CODE>protected  <A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A></CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#address">address</A></CODE>

The IP address of the remote end of this socket.
此套接字远端的IP地址。</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  <A HREF="../../java/io/FileDescriptor.html" title="class in java.io">FileDescriptor</A></CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#fd">fd</A></CODE>

The file descriptor object for this socket.
此套接字的文件描述符对象。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  int</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#localport">localport</A></CODE>

The local port number to which this socket is connected.
此套接字连接的本地端口号。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  int</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#port">port</A></CODE>

The port number on the remote host to which this socket is connected.
此套接字连接的远端端口号。</TD>
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 <A NAME="fields_inherited_from_class_java.net.SocketOptions"></A>
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<TD>Fields inherited from interface java.net.<A HREF="../../java/net/SocketOptions.html" title="interface in java.net">SocketOptions</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../java/net/SocketOptions.html#IP_MULTICAST_IF">IP_MULTICAST_IF</A>, <A HREF="../../java/net/SocketOptions.html#IP_MULTICAST_IF2">IP_MULTICAST_IF2</A>, <A HREF="../../java/net/SocketOptions.html#IP_MULTICAST_LOOP">IP_MULTICAST_LOOP</A>, <A HREF="../../java/net/SocketOptions.html#IP_TOS">IP_TOS</A>, <A HREF="../../java/net/SocketOptions.html#SO_BINDADDR">SO_BINDADDR</A>, <A HREF="../../java/net/SocketOptions.html#SO_BROADCAST">SO_BROADCAST</A>, <A HREF="../../java/net/SocketOptions.html#SO_KEEPALIVE">SO_KEEPALIVE</A>, <A HREF="../../java/net/SocketOptions.html#SO_LINGER">SO_LINGER</A>, <A HREF="../../java/net/SocketOptions.html#SO_OOBINLINE">SO_OOBINLINE</A>, <A HREF="../../java/net/SocketOptions.html#SO_RCVBUF">SO_RCVBUF</A>, <A HREF="../../java/net/SocketOptions.html#SO_REUSEADDR">SO_REUSEADDR</A>, <A HREF="../../java/net/SocketOptions.html#SO_SNDBUF">SO_SNDBUF</A>, <A HREF="../../java/net/SocketOptions.html#SO_TIMEOUT">SO_TIMEOUT</A>, <A HREF="../../java/net/SocketOptions.html#TCP_NODELAY">TCP_NODELAY</A></CODE></TD>
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<TD><CODE><A HREF="../../java/net/SocketImpl.html#SocketImpl()">SocketImpl</A>()</CODE>

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Method Summary</TD>
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<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#accept(java.net.SocketImpl)">accept</A>(<A HREF="../../java/net/SocketImpl.html" title="class in java.net">SocketImpl</A> s)</CODE>

Accepts a connection.
接收连接。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  int</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#available()">available</A>()</CODE>

Returns the number of bytes that can be read from this socket
without blocking.
返回从未阻塞的套接字读取的字节数。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#bind(java.net.InetAddress, int)">bind</A>(<A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A> host,
int port)</CODE>

Binds this socket to the specified port number on the specified host.
将套接字绑定到指定的端口和地址。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#close()">close</A>()</CODE>

Closes this socket.
关闭套接字。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#connect(java.net.InetAddress, int)">connect</A>(<A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A> address,
int port)</CODE>

Connects this socket to the specified port number on the specified host.
将套接字连接到指定主机的指定端口。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#connect(java.net.SocketAddress, int)">connect</A>(<A HREF="../../java/net/SocketAddress.html" title="class in java.net">SocketAddress</A> address,
int timeout)</CODE>

Connects this socket to the specified port number on the specified host.
将套接字连接到指定主机的指定端口。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#connect(java.lang.String, int)">connect</A>(<A HREF="../../java/lang/String.html" title="class in java.lang">String</A> host,
int port)</CODE>

Connects this socket to the specified port on the named host.
将套接字连接到指定名称主机的指定端口。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#create(boolean)">create</A>(boolean stream)</CODE>

Creates either a stream or a datagram socket.
创建数据流或数据报套接字。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  <A HREF="../../java/io/FileDescriptor.html" title="class in java.io">FileDescriptor</A></CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#getFileDescriptor()">getFileDescriptor</A>()</CODE>

Returns the value of this socket's <code>fd</code> field.
返回此套接字fd成员变量的值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  <A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A></CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#getInetAddress()">getInetAddress</A>()</CODE>

Returns the value of this socket's <code>address</code> field.
返回此套接字address成员变量的值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  <A HREF="../../java/io/InputStream.html" title="class in java.io">InputStream</A></CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#getInputStream()">getInputStream</A>()</CODE>

Returns an input stream for this socket.
返回此套接字的输入流。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  int</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#getLocalPort()">getLocalPort</A>()</CODE>

Returns the value of this socket's <code>localport</code> field.
返回此套接字localport成员变量的值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  <A HREF="../../java/io/OutputStream.html" title="class in java.io">OutputStream</A></CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#getOutputStream()">getOutputStream</A>()</CODE>

Returns an output stream for this socket.
返回此套接字的输出流。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  int</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#getPort()">getPort</A>()</CODE>

Returns the value of this socket's <code>port</code> field.
返回此套接字port成员变量的值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#listen(int)">listen</A>(int backlog)</CODE>

Sets the maximum queue length for incoming connection indications
(a request to connect) to the <code>count</code> argument.
将呼入连接指示（连接请求）的最大队列长度设置为backlog参数值。如果在队列已满情况下连接指示到达，连接请求被拒绝。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected abstract  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#sendUrgentData(int)">sendUrgentData</A>(int data)</CODE>

Send one byte of urgent data on the socket.
在套接字上发送一个字节的紧急数据。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#shutdownInput()">shutdownInput</A>()</CODE>

Places the input stream for this socket at "end of stream".
将套接字的输入流设置为位于“数据流末”。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  void</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#shutdownOutput()">shutdownOutput</A>()</CODE>

Disables the output stream for this socket.
取消此套接字的输出流。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected  boolean</CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#supportsUrgentData()">supportsUrgentData</A>()</CODE>

Returns whether or not this SocketImpl supports sending
urgent data.
判断此SocketImpl是否支持发送紧急数据。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE> <A HREF="../../java/lang/String.html" title="class in java.lang">String</A></CODE></TD>
<TD><CODE><A HREF="../../java/net/SocketImpl.html#toString()">toString</A>()</CODE>

Returns the address and port of this socket as a <code>String</code>.
以字符串的形式返回套接字的地址和端口。</TD>
</TR>
</TABLE>
 <A NAME="methods_inherited_from_class_java.lang.Object"></A>
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<TD>Methods inherited from class java.lang.<A HREF="../../java/lang/Object.html" title="class in java.lang">Object</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../java/lang/Object.html#clone()">clone</A>, <A HREF="../../java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../java/lang/Object.html#finalize()">finalize</A>, <A HREF="../../java/lang/Object.html#getClass()">getClass</A>, <A HREF="../../java/lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../java/lang/Object.html#notify()">notify</A>, <A HREF="../../java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../java/lang/Object.html#wait()">wait</A>, <A HREF="../../java/lang/Object.html#wait(long)">wait</A>, <A HREF="../../java/lang/Object.html#wait(long, int)">wait</A></CODE></TD>
</TR>
</TABLE>
 <A NAME="methods_inherited_from_class_java.net.SocketOptions"></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD>Methods inherited from interface java.net.<A HREF="../../java/net/SocketOptions.html" title="interface in java.net">SocketOptions</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../java/net/SocketOptions.html#getOption(int)">getOption</A>, <A HREF="../../java/net/SocketOptions.html#setOption(int, java.lang.Object)">setOption</A></CODE></TD>
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Field Detail</TD>
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<A NAME="fd"></A><H3>
fd</H3>
<PRE>
protected <A HREF="../../java/io/FileDescriptor.html" title="class in java.io">FileDescriptor</A> fd</PRE>
<DL>
<DD>The file descriptor object for this socket. 此套接字的文件描述符对象。

<DL>
</DL>
</DL>
<HR>

<A NAME="address"></A><H3>
address</H3>
<PRE>
protected <A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A> address</PRE>
<DL>
<DD>The IP address of the remote end of this socket. 此套接字远端的IP地址。

<DL>
</DL>
</DL>
<HR>

<A NAME="port"></A><H3>
port</H3>
<PRE>
protected int port</PRE>
<DL>
<DD>The port number on the remote host to which this socket is connected. 此套接字连接的远端端口号。

<DL>
</DL>
</DL>
<HR>

<A NAME="localport"></A><H3>
localport</H3>
<PRE>
protected int localport</PRE>
<DL>
<DD>The local port number to which this socket is connected. 此套接字连接的本地端口号。

<DL>
</DL>
</DL>

<A NAME="constructor_detail"></A>
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Constructor Detail</TD>
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<A NAME="SocketImpl()"></A><H3>
SocketImpl</H3>
<PRE>
public SocketImpl()</PRE>
<DL>
</DL>

<A NAME="method_detail"></A>
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Method Detail</TD>
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<A NAME="create(boolean)"></A><H3>
create</H3>
<PRE>
protected abstract void create(boolean stream)
 throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Creates either a stream or a datagram socket. 创建数据流或数据报套接字。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>stream</CODE> - if <code>true</code>, create a stream socket;
 otherwise, create a datagram socket. 如果为true，创建流套接字，否则创建数据报套接字。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs while creating the
 socket. 当创建套接字时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="connect(java.lang.String, int)"></A><H3>
connect</H3>
<PRE>
protected abstract void connect(<A HREF="../../java/lang/String.html" title="class in java.lang">String</A> host,
 int port)
 throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Connects this socket to the specified port on the named host. 将套接字连接到指定名称主机的指定端口。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>host</CODE> - the name of the remote host. 远程主机的IP地址。<DD><CODE>port</CODE> - the port number. 端口号。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when connecting to the
 remote host. 当连接远程主机时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="connect(java.net.InetAddress, int)"></A><H3>
connect</H3>
<PRE>
protected abstract void connect(<A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A> address,
 int port)
 throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Connects this socket to the specified port number on the specified host.
将套接字连接到指定主机的指定端口。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>address</CODE> - the IP address of the remote host. 远程主机的IP地址。<DD><CODE>port</CODE> - the port number. 端口号。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when attempting a
 connection. 当尝试连接时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="connect(java.net.SocketAddress, int)"></A><H3>
connect</H3>
<PRE>
protected abstract void connect(<A HREF="../../java/net/SocketAddress.html" title="class in java.net">SocketAddress</A> address,
 int timeout)
 throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Connects this socket to the specified port number on the specified host.
A timeout of zero is interpreted as an infinite timeout. The connection
will then block until established or an error occurs.
将套接字连接到指定主机的指定端口。延时值为0被解释为无限延时，连接将阻塞直到建立或错误发生。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>address</CODE> - the Socket address of the remote host. 远程主机的Socket地址。<DD><CODE>timeout</CODE> - the timeout value, in milliseconds, or zero for no timeout.
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when attempting a
 connection. 当尝试连接时发生I/O错误则抛出。<DT>Since:</DT>
<DD>1.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="bind(java.net.InetAddress, int)"></A><H3>
bind</H3>
<PRE>
protected abstract void bind(<A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A> host,
int port)
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Binds this socket to the specified port number on the specified host.
将套接字绑定到指定的端口和地址。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>host</CODE> - the IP address of the remote host. 远程主机的IP地址。
远程主机的IP地址。<DD><CODE>port</CODE> - the port number. 端口号。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when binding this socket.
当绑定套接字时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="listen(int)"></A><H3>
listen</H3>
<PRE>
protected abstract void listen(int backlog)
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Sets the maximum queue length for incoming connection indications
(a request to connect) to the <code>count</code> argument. If a
connection indication arrives when the queue is full, the
connection is refused.
将呼入连接指示（连接请求）的最大队列长度设置为backlog参数值。如果在队列已满情况下连接指示到达，连接请求被拒绝。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>backlog</CODE> - the maximum length of the queue. 队列的最大长度。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when creating the queue.
当创建队列时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="accept(java.net.SocketImpl)"></A><H3>
accept</H3>
<PRE>
protected abstract void accept(<A HREF="../../java/net/SocketImpl.html" title="class in java.net">SocketImpl</A> s)
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Accepts a connection. 接收连接。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>s</CODE> - the accepted connection. 接收的连接。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when accepting the
connection. 当接收连接时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="getInputStream()"></A><H3>
getInputStream</H3>
<PRE>
protected abstract <A HREF="../../java/io/InputStream.html" title="class in java.io">InputStream</A> getInputStream()
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Returns an input stream for this socket. 返回此套接字的输入流。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>a stream for reading from this socket. 从此套接字读取的流。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when creating the
input stream. 当创建输入流时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="getOutputStream()"></A><H3>
getOutputStream</H3>
<PRE>
protected abstract <A HREF="../../java/io/OutputStream.html" title="class in java.io">OutputStream</A> getOutputStream()
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Returns an output stream for this socket. 返回此套接字的输出流。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>an output stream for writing to this socket. 写入此套接字的流。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when creating the
output stream. 当创建输出流时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="available()"></A><H3>
available</H3>
<PRE>
protected abstract int available()
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Returns the number of bytes that can be read from this socket
without blocking. 返回从未阻塞的套接字读取的字节数。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the number of bytes that can be read from this socket
without blocking. 从未阻塞的套接字读取的字节数。
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when determining the
number of bytes available. 当确定可用的字节数时发生I/O错误则抛出。</DL>
</DD>
</DL>
<HR>

<A NAME="close()"></A><H3>
close</H3>
<PRE>
protected abstract void close()
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Closes this socket. 关闭套接字。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when closing this socket.</DL>
</DD>
</DL>
<HR>

<A NAME="shutdownInput()"></A><H3>
shutdownInput</H3>
<PRE>
protected void shutdownInput()
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Places the input stream for this socket at "end of stream".
Any data sent to this socket is acknowledged and then
silently discarded.

If you read from a socket input stream after invoking
shutdownInput() on the socket, the stream will return EOF.
将套接字的输入流设置为位于“数据流末”。发送到套接字输入流端的任何数据将被确认且丢弃。
如果在调用shutdownInput()方法后从套接字输入流中读取，流将返回EOF。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when shutting down this
socket. 当关闭套接字时发生I/O错误则抛出。<DT>See Also:<DD><A HREF="../../java/net/Socket.html#shutdownOutput()"><CODE>Socket.shutdownOutput()</CODE></A>,
<A HREF="../../java/net/Socket.html#close()"><CODE>Socket.close()</CODE></A>,
<A HREF="../../java/net/Socket.html#setSoLinger(boolean, int)"><CODE>Socket.setSoLinger(boolean, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="shutdownOutput()"></A><H3>
shutdownOutput</H3>
<PRE>
protected void shutdownOutput()
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Disables the output stream for this socket.
For a TCP socket, any previously written data will be sent
followed by TCP's normal connection termination sequence.

If you write to a socket output stream after invoking
shutdownOutput() on the socket, the stream will throw
an IOException.
取消此套接字的输出流。对于TCP套接字，任何已写入的数据被发送后，将正常关闭TCP连接。
如果在调用shutdownOutput()后向套接字输出流写入，流将抛出IOException。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if an I/O error occurs when shutting down this
socket. 当关闭套接字时发生I/O错误则抛出。<DT>See Also:<DD><A HREF="../../java/net/Socket.html#shutdownInput()"><CODE>Socket.shutdownInput()</CODE></A>,
<A HREF="../../java/net/Socket.html#close()"><CODE>Socket.close()</CODE></A>,
<A HREF="../../java/net/Socket.html#setSoLinger(boolean, int)"><CODE>Socket.setSoLinger(boolean, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getFileDescriptor()"></A><H3>
getFileDescriptor</H3>
<PRE>
protected <A HREF="../../java/io/FileDescriptor.html" title="class in java.io">FileDescriptor</A> getFileDescriptor()</PRE>
<DL>
<DD>Returns the value of this socket's <code>fd</code> field.
返回此套接字fd成员变量的值。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the value of this socket's <code>fd</code> field. 此套接字fd成员变量的值。<DT>See Also:<DD><A HREF="../../java/net/SocketImpl.html#fd"><CODE>fd</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getInetAddress()"></A><H3>
getInetAddress</H3>
<PRE>
protected <A HREF="../../java/net/InetAddress.html" title="class in java.net">InetAddress</A> getInetAddress()</PRE>
<DL>
<DD>Returns the value of this socket's <code>address</code> field.
返回此套接字address成员变量的值。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the value of this socket's <code>address</code> field. 此套接字address成员变量的值。<DT>See Also:<DD><A HREF="../../java/net/SocketImpl.html#address"><CODE>address</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getPort()"></A><H3>
getPort</H3>
<PRE>
protected int getPort()</PRE>
<DL>
<DD>Returns the value of this socket's <code>port</code> field.
返回此套接字port成员变量的值。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the value of this socket's <code>port</code> field. 此套接字port成员变量的值。<DT>See Also:<DD><A HREF="../../java/net/SocketImpl.html#port"><CODE>port</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="supportsUrgentData()"></A><H3>
supportsUrgentData</H3>
<PRE>
protected boolean supportsUrgentData()</PRE>
<DL>
<DD>Returns whether or not this SocketImpl supports sending
urgent data. By default, false is returned
unless the method is overridden in a sub-class
判断此SocketImpl是否支持发送紧急数据。默认情况下，除非在子类中重载方法，否则返回false

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>true if urgent data supported 如果支持紧急数据，返回true<DT>Since:</DT>
<DD>1.4</DD>
<DT>See Also:<DD><A HREF="../../java/net/SocketImpl.html#address"><CODE>address</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="sendUrgentData(int)"></A><H3>
sendUrgentData</H3>
<PRE>
protected abstract void sendUrgentData(int data)
throws <A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></PRE>
<DL>
<DD>Send one byte of urgent data on the socket.
The byte to be sent is the low eight bits of the parameter
在套接字上发送一个字节的紧急数据。要发送的字节是参数的低八位。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>data</CODE> - The byte of data to send 要发送的数据字节
<DT>Throws:
<DD><CODE><A HREF="../../java/io/IOException.html" title="class in java.io">IOException</A></CODE> - if there is an error
sending the data. 发送数据时如果有错误则抛出。<DT>Since:</DT>
<DD>1.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getLocalPort()"></A><H3>
getLocalPort</H3>
<PRE>
protected int getLocalPort()</PRE>
<DL>
<DD>Returns the value of this socket's <code>localport</code> field. 返回此套接字localport成员变量的值。

<DD><DL>
</DL>
</DD>
<DD><DL>

<DT>Returns:<DD>the value of this socket's <code>localport</code> field. 此套接字localport成员变量的值。<DT>See Also:<DD><A HREF="../../java/net/SocketImpl.html#localport"><CODE>localport</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="toString()"></A><H3>
toString</H3>
<PRE>
public <A HREF="../../java/lang/String.html" title="class in java.lang">String</A> toString()</PRE>
<DL>
<DD>Returns the address and port of this socket as a <code>String</code>.
以字符串的形式返回套接字的地址和端口。

<DD><DL>
<DT>Overrides:<DD><CODE><A HREF="../../java/lang/Object.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html" title="class in java.lang">Object</A></CODE></DL>
</DD>
<DD><DL>

<DT>Returns:<DD>a string representation of this socket. 此套接字的字符串形式。</DL>
</DD>
</DL>

<HR>

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