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<?xml version="1.0" encoding="UTF-8" ?>
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<class name= "StreamPeerTCP" inherits= "StreamPeer" version= "4.0" xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation= "../class.xsd" >
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<brief_description >
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A stream peer that handles TCP connections.
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</brief_description>
<description >
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A stream peer that handles TCP connections. This object can be used to connect to TCP servers, or also is returned by a TCP server.
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[b]Note:[/b] When exporting to Android, make sure to enable the [code]INTERNET[/code] permission in the Android export preset before exporting the project or using one-click deploy. Otherwise, network communication of any kind will be blocked by Android.
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</description>
<tutorials >
</tutorials>
<methods >
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<method name= "bind" >
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<return type= "int" enum= "Error" />
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<param index= "0" name= "port" type= "int" />
<param index= "1" name= "host" type= "String" default= ""*"" />
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<description >
Opens the TCP socket, and binds it to the specified local address.
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This method is generally not needed, and only used to force the subsequent call to [method connect_to_host] to use the specified [param host] and [param port] as source address. This can be desired in some NAT punchthrough techniques, or when forcing the source network interface.
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</description>
</method>
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<method name= "connect_to_host" >
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<return type= "int" enum= "Error" />
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<param index= "0" name= "host" type= "String" />
<param index= "1" name= "port" type= "int" />
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<description >
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Connects to the specified [code]host:port[/code] pair. A hostname will be resolved if valid. Returns [constant OK] on success.
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</description>
</method>
<method name= "disconnect_from_host" >
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<return type= "void" />
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<description >
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Disconnects from host.
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</description>
</method>
<method name= "get_connected_host" qualifiers= "const" >
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<return type= "String" />
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<description >
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Returns the IP of this peer.
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</description>
</method>
<method name= "get_connected_port" qualifiers= "const" >
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<return type= "int" />
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<description >
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Returns the port of this peer.
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</description>
</method>
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<method name= "get_local_port" qualifiers= "const" >
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<return type= "int" />
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<description >
Returns the local port to which this peer is bound.
</description>
</method>
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<method name= "get_status" qualifiers= "const" >
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<return type= "int" enum= "StreamPeerTCP.Status" />
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<description >
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Returns the status of the connection, see [enum Status].
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</description>
</method>
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<method name= "poll" >
<return type= "int" enum= "Error" />
<description >
Poll the socket, updating its state. See [method get_status].
</description>
</method>
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<method name= "set_no_delay" >
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<return type= "void" />
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<param index= "0" name= "enabled" type= "bool" />
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<description >
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If [param enabled] is [code]true[/code], packets will be sent immediately. If [param enabled] is [code]false[/code] (the default), packet transfers will be delayed and combined using [url=https://en.wikipedia.org/wiki/Nagle%27s_algorithm]Nagle's algorithm[/url].
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[b]Note:[/b] It's recommended to leave this disabled for applications that send large packets or need to transfer a lot of data, as enabling this can decrease the total available bandwidth.
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</description>
</method>
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</methods>
<constants >
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<constant name= "STATUS_NONE" value= "0" enum= "Status" >
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The initial status of the [StreamPeerTCP]. This is also the status after disconnecting.
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</constant>
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<constant name= "STATUS_CONNECTING" value= "1" enum= "Status" >
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A status representing a [StreamPeerTCP] that is connecting to a host.
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</constant>
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<constant name= "STATUS_CONNECTED" value= "2" enum= "Status" >
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A status representing a [StreamPeerTCP] that is connected to a host.
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</constant>
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<constant name= "STATUS_ERROR" value= "3" enum= "Status" >
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A status representing a [StreamPeerTCP] in error state.
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</constant>
</constants>
</class>