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Added in API level 1

Summary: Constants | Ctors | Methods | Inherited Methods | [Expand All]

LocalSocket

public class LocalSocket
extends Object implements Closeable

java.lang.Object
↳	android.net.LocalSocket

在UNIX域名称空间中创建（非服务器）套接字。这里的接口并不完全不同于java.net.Socket。这个类和从它返回的流可以从多个线程中使用。

Summary

Constants
`int`	`SOCKET_DGRAM` 数据报套接字类型
`int`	`SOCKET_SEQPACKET` 顺序数据包套接字类型
`int`	`SOCKET_STREAM` 流套接字类型

Public constructors
`LocalSocket()` 创建一个AF_LOCAL / UNIX域流套接字。
`LocalSocket(int sockType)` 使用给定的套接字类型创建AF_LOCAL / UNIX域流套接字

Public methods
`void`	`bind(LocalSocketAddress bindpoint)` 将此套接字绑定到端点名称。
`void`	`close()` 关闭插座。
`void`	`connect(LocalSocketAddress endpoint, int timeout)`
`void`	`connect(LocalSocketAddress endpoint)` 将此套接字连接到端点。
`FileDescriptor[]`	`getAncillaryFileDescriptors()` 检索对等体通过辅助消息发送的一组文件描述符。
`FileDescriptor`	`getFileDescriptor()` 返回文件描述符;如果尚未打开/已关闭，则返回null
`InputStream`	`getInputStream()` 检索此实例的输入流。
`LocalSocketAddress`	`getLocalSocketAddress()` 检索此套接字绑定的名称（如果有）。
`OutputStream`	`getOutputStream()` 检索此实例的输出流。
`Credentials`	`getPeerCredentials()` 检索此套接字对等体的凭证。
`int`	`getReceiveBufferSize()`
`LocalSocketAddress`	`getRemoteSocketAddress()`
`int`	`getSendBufferSize()`
`int`	`getSoTimeout()`
`boolean`	`isBound()`
`boolean`	`isClosed()`
`boolean`	`isConnected()`
`boolean`	`isInputShutdown()`
`boolean`	`isOutputShutdown()`
`void`	`setFileDescriptorsForSend(FileDescriptor[] fds)` 排队一组文件描述符以发送给对等体。
`void`	`setReceiveBufferSize(int size)`
`void`	`setSendBufferSize(int n)`
`void`	`setSoTimeout(int n)`
`void`	`shutdownInput()` 关闭插槽的输入侧。
`void`	`shutdownOutput()` 关闭插座的输出侧。
`String`	`toString()` 返回对象的字符串表示形式。

Inherited methods

From class java.lang.Object

From interface java.io.Closeable

From interface java.lang.AutoCloseable

Constants

SOCKET_DGRAM

Added in API level 19

int SOCKET_DGRAM

数据报套接字类型

常数值：1（0x00000001）

SOCKET_SEQPACKET

Added in API level 19

int SOCKET_SEQPACKET

顺序数据包套接字类型

常量值：3（0x00000003）

SOCKET_STREAM

Added in API level 19

int SOCKET_STREAM

流套接字类型

常量值：2（0x00000002）

Public constructors

LocalSocket

Added in API level 1

LocalSocket ()

创建一个AF_LOCAL / UNIX域流套接字。

LocalSocket

Added in API level 19

LocalSocket (int sockType)

使用给定的套接字类型创建AF_LOCAL / UNIX域流套接字

Parameters
`sockType`	`int`: either `SOCKET_DGRAM`, `SOCKET_STREAM` or `SOCKET_SEQPACKET`

Public methods

bind

Added in API level 1

void bind (LocalSocketAddress bindpoint)

将此套接字绑定到端点名称。只能在尚未绑定的实例上调用。

Parameters
`bindpoint`	`LocalSocketAddress`: endpoint address

Throws
`IOException`

close

Added in API level 1

void close ()

关闭插座。

Throws
`IOException`

connect

Added in API level 1

void connect (LocalSocketAddress endpoint, 
                int timeout)

Parameters
`endpoint`	`LocalSocketAddress`
`timeout`	`int`

Throws
`IOException`

connect

Added in API level 1

void connect (LocalSocketAddress endpoint)

将此套接字连接到端点。只能在尚未连接的实例上调用。

Parameters
`endpoint`	`LocalSocketAddress`: endpoint address

Throws
`IOException`	if socket is in invalid state or the address does not exist.

getAncillaryFileDescriptors

Added in API level 1

FileDescriptor[] getAncillaryFileDescriptors ()

检索对等体通过辅助消息发送的一组文件描述符。此方法检索最近发送的集合，然后返回null直到新集合到达。文件描述符只能与常规数据一起传递，所以此方法只能在读取操作后返回非null。

Returns
`FileDescriptor[]`	null or file descriptor array

Throws
`IOException`

getFileDescriptor

Added in API level 1

FileDescriptor getFileDescriptor ()

返回文件描述符;如果尚未打开/已关闭，则返回null

Returns
`FileDescriptor`	fd or null

getInputStream

Added in API level 1

InputStream getInputStream ()

检索此实例的输入流。

Returns
`InputStream`	input stream

Throws
`IOException`	if socket has been closed or cannot be created.

getLocalSocketAddress

Added in API level 1

LocalSocketAddress getLocalSocketAddress ()

检索此套接字绑定的名称（如果有）。

Returns
`LocalSocketAddress`	Local address or null if anonymous

getOutputStream

Added in API level 1

OutputStream getOutputStream ()

检索此实例的输出流。

Returns
`OutputStream`	output stream

Throws
`IOException`	if socket has been closed or cannot be created.

getPeerCredentials

Added in API level 1

Credentials getPeerCredentials ()

检索此套接字对等体的凭证。仅在连接的套接字上有效。

Returns
`Credentials`	non-null; peer credentials

Throws
`IOException`

getReceiveBufferSize

Added in API level 1

int getReceiveBufferSize ()

Returns
`int`

Throws
`IOException`

getRemoteSocketAddress

Added in API level 1

LocalSocketAddress getRemoteSocketAddress ()

Returns
`LocalSocketAddress`

getSendBufferSize

Added in API level 1

int getSendBufferSize ()

Returns
`int`

Throws
`IOException`

getSoTimeout

Added in API level 1

int getSoTimeout ()

Returns
`int`

Throws
`IOException`

isBound

Added in API level 1

boolean isBound ()

Returns
`boolean`

isClosed

Added in API level 1

boolean isClosed ()

Returns
`boolean`

isConnected

Added in API level 1

boolean isConnected ()

Returns
`boolean`

isInputShutdown

Added in API level 1

boolean isInputShutdown ()

Returns
`boolean`

isOutputShutdown

Added in API level 1

boolean isOutputShutdown ()

Returns
`boolean`

setFileDescriptorsForSend

Added in API level 1

void setFileDescriptorsForSend (FileDescriptor[] fds)

排队一组文件描述符以发送给对等体。队列很深。文件描述符将在下一次写入正常数据时发送，并将在单个辅助消息中发送。请参阅桌面Linux机器上的“man 7 unix”SCM_RIGHTS。

Parameters
`fds`	`FileDescriptor`: non-null; file descriptors to send.

setReceiveBufferSize

Added in API level 1

void setReceiveBufferSize (int size)

Parameters
`size`	`int`

Throws
`IOException`

setSendBufferSize

Added in API level 1

void setSendBufferSize (int n)

Parameters
`n`	`int`

Throws
`IOException`

setSoTimeout

Added in API level 1

void setSoTimeout (int n)

Parameters
`n`	`int`

Throws
`IOException`

shutdownInput

Added in API level 1

void shutdownInput ()

关闭插槽的输入侧。

Throws
`IOException`

shutdownOutput

Added in API level 1

void shutdownOutput ()

关闭插座的输出侧。

Throws
`IOException`

toString

Added in API level 1

String toString ()

返回对象的字符串表示形式。一般来说， toString方法返回一个“文本表示”该对象的字符串。结果应该是一个简洁但内容丰富的表述，对于一个人来说很容易阅读。建议所有子类重写此方法。

类Object的toString方法将返回一个字符串，其中包含对象为实例的类的名称，符号字符“ @ ”以及对象的哈希代码的无符号十六进制表示形式。换句话说，这个方法返回一个字符串，其值等于：

 getClass().getName() + '@' + Integer.toHexString(hashCode())

Returns
`String`	a string representation of the object.