I’m using the following codes to create and close a tcpsocket on
WindowsXP:
def open @tcp_server = TCPServer.new(@para[:host], @para[:port]) @ch = @tcp_server.accept
end
...
def close @tcp_server.close @ch.close
end
They are very simple. My problem is, if I don't close()(sometimes my
users terminate my programe anyway before close() is called), the
TcpServer will be LISTENING and the tcpSocket will be CLOSE_WAIT. If I
call open() at this moment, ruby will raise Errno::EADDRINUSE.
So, I want to rescue this Exception and handle it, is there a way to
kill existed tcpServer/tcpSocket?
I searched for a long time, and only found apps like
killtcp.exe/aoi.exe, but they would be the last choice to me. Is there
some other way? Such as command line or ready-made methods?
Have you tried the 'at_exit' hook? You should be able to close existing sockets in at_exit.
-Jingjing
···
-----Original Message-----
From: Fengfeng Li [mailto:lifengfeng@huawei.com]
Sent: Thursday, November 10, 2011 1:51 AM
To: ruby-talk ML
Subject: How to kill an exist tcpserver or tcpsocket?
Hi everyone,
I’m using the following codes to create and close a tcpsocket on
WindowsXP:
def open @tcp_server = TCPServer.new(@para[:host], @para[:port]) @ch = @tcp_server.accept
end
...
def close @tcp_server.close @ch.close
end
They are very simple. My problem is, if I don't close()(sometimes my
users terminate my programe anyway before close() is called), the
TcpServer will be LISTENING and the tcpSocket will be CLOSE_WAIT. If I
call open() at this moment, ruby will raise Errno::EADDRINUSE.
So, I want to rescue this Exception and handle it, is there a way to
kill existed tcpServer/tcpSocket?
I searched for a long time, and only found apps like
killtcp.exe/aoi.exe, but they would be the last choice to me. Is there
some other way? Such as command line or ready-made methods?
I'm not too familiar with the TCPServer class, but do you have access to the underlying socket options? You probably want to set SO_REUSEADDR on it so it can be recycled immediately.
Sam
···
On 11/11/11 07:57, Duan, Jingjing wrote:
Have you tried the 'at_exit' hook? You should be able to close existing sockets in at_exit.
-Jingjing
-----Original Message-----
From: Fengfeng Li [mailto:lifengfeng@huawei.com]
Sent: Thursday, November 10, 2011 1:51 AM
To: ruby-talk ML
Subject: How to kill an exist tcpserver or tcpsocket?
Hi everyone,
I’m using the following codes to create and close a tcpsocket on
WindowsXP:
def open @tcp_server = TCPServer.new(@para[:host], @para[:port]) @ch = @tcp_server.accept
end
...
def close @tcp_server.close @ch.close
end
They are very simple. My problem is, if I don't close()(sometimes my
users terminate my programe anyway before close() is called), the
TcpServer will be LISTENING and the tcpSocket will be CLOSE_WAIT. If I
call open() at this moment, ruby will raise Errno::EADDRINUSE.
So, I want to rescue this Exception and handle it, is there a way to
kill existed tcpServer/tcpSocket?
I searched for a long time, and only found apps like
killtcp.exe/aoi.exe, but they would be the last choice to me. Is there
some other way? Such as command line or ready-made methods?
Da: Sam Duncan [mailto:sduncan@wetafx.co.nz]
Inviato: giovedì 10 novembre 2011 20:19
A: ruby-talk ML
Oggetto: Re: How to kill an exist tcpserver or tcpsocket?
On 11/11/11 07:57, Duan, Jingjing wrote:
Have you tried the 'at_exit' hook? You should be able to close existing
sockets in at_exit.
-Jingjing
-----Original Message-----
From: Fengfeng Li [mailto:lifengfeng@huawei.com]
Sent: Thursday, November 10, 2011 1:51 AM
To: ruby-talk ML
Subject: How to kill an exist tcpserver or tcpsocket?
Hi everyone,
Im using the following codes to create and close a tcpsocket on
WindowsXP:
def open @tcp_server = TCPServer.new(@para[:host], @para[:port]) @ch = @tcp_server.accept
end
...
def close @tcp_server.close @ch.close
end
They are very simple. My problem is, if I don't close()(sometimes my
users terminate my programe anyway before close() is called), the
TcpServer will be LISTENING and the tcpSocket will be CLOSE_WAIT. If I
call open() at this moment, ruby will raise Errno::EADDRINUSE.
So, I want to rescue this Exception and handle it, is there a way to
kill existed tcpServer/tcpSocket?
I searched for a long time, and only found apps like
killtcp.exe/aoi.exe, but they would be the last choice to me. Is there
some other way? Such as command line or ready-made methods?
Thanks a lot.
Regards,
LiFengfeng
I'm not too familiar with the TCPServer class, but do you have access to the
underlying socket options? You probably want to set SO_REUSEADDR on it so it
can be recycled immediately.
Sam
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