Socket SO KEEPALIVE: Difference between revisions
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=External= | |||
* https://docs.oracle.com/javase/10/docs/api/java/net/SocketOptions.html#SO_KEEPALIVE | |||
=Internal= | =Internal= | ||
* [[Java_Networking#Socket_Configuration|Java Networking]] | * [[Java_Networking#Socket_Configuration|Java Networking]] | ||
* [[TCP_KeepAlive#Configuration|TCP Keep-Alive]] | |||
=Overview= | |||
Tells whether the TCP Keep-Alive mechanism is turned on for a socket. TCP Keep-Alive works as described here: {{Internal|TCP_KeepAlive#Overview|TCP Keep-Alive}} | |||
The value of the configuration flag can be obtained from the Socket or from the SocketChannel with <tt>supportedOptions()</tt>. | |||
All we can do on a Java socket is to turn TCP KeepAlive on or off - apparently on a per-socket based: | |||
<pre> | |||
void setKeepAlive(boolean); | |||
boolean getKeepAlive(); | |||
</pre> | |||
The KeepAlive parameters can be only set at the operating system level. | |||
Latest revision as of 16:59, 26 July 2018
External
Internal
Overview
Tells whether the TCP Keep-Alive mechanism is turned on for a socket. TCP Keep-Alive works as described here:
The value of the configuration flag can be obtained from the Socket or from the SocketChannel with supportedOptions().
All we can do on a Java socket is to turn TCP KeepAlive on or off - apparently on a per-socket based:
void setKeepAlive(boolean); boolean getKeepAlive();
The KeepAlive parameters can be only set at the operating system level.