Marcin L created DIRMINA-1130:
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Summary: NIO socket acceptor should not set send buffer size on
ServerSocket/Channel.
Key: DIRMINA-1130
URL: https://issues.apache.org/jira/browse/DIRMINA-1130
Project: MINA
Issue Type: Bug
Components: Transport
Affects Versions: 2.1.4
Reporter: Marcin L
NIO socket acceptor should not set *send buffer size* on ServerSocket/Channel.
Setting *SO_SNDBUF* in NioSocketAcceptor as part of
https://issues.apache.org/jira/projects/DIRMINA/issues/DIRMINA-1123 was
unecessary.
*SO_SNDBUF* can be set after socket listen() and connect() system calls.
Setting send buffer size will most likely throw Exception in
*NioSocketAcceptor* (hotspot JVM).
See
sun.nio.ch.ServerSocketChannelImpl#supportedOptions ->
sun.nio.ch.ServerSocketChannelImpl.DefaultOptionsHolder#defaultOptions
[http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/tip/src/share/classes/sun/nio/ch/ServerSocketChannelImpl.java|http://example.com]
[https://github.com/frohoff/jdk8u-jdk/blob/master/src/share/classes/sun/nio/ch/ServerSocketChannelImpl.java|http://example.com]
Seems like only these options are supported and should be set before socket
connection.
SO_RCVBUF
SO_REUSEADDR
SO_REUSEPORT
IP_TOS
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