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08.19.2008 at 10:41PM PDT, ID: 23662104
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8.8

Excecuting netstat command in a C++ Code

Asked by ronan_40060 in C++ Programming Language

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In our application  Front End ( Java ) communicates to DCE ( Distributed Computing Env) on HP-UX using SOAP as a middle layer. RPC ( Romote Procedure Calls) are using to connect to DCE and fetch the data.There is a SOAP Server Binary which is listening to a perticular port no calls the DCE functions using RPC calls , it has been observed that after few days if SOAP Server is not recycled ( Restarted) , the RPC calls go in Hang state. No response from RPCs when a particular call is made.
We confirmed this when we ran the netstat command as below

Before Recycling( ReStarting SOAP Server)
$ netstat -an | grep -i 6071
tcp        0      0  169.163.162.117.6071   153.40.20.206.44244     CLOSE_WAIT
tcp        0      0  169.163.162.117.6071   153.40.20.206.44048     CLOSE_WAIT
tcp        0      0  169.163.162.117.6071   153.40.20.206.43758     CLOSE_WAIT
tcp        0      0  169.163.162.117.6071   153.40.20.206.46381     CLOSE_WAIT
tcp        0      0  169.163.162.117.6071   153.40.20.206.48319     FIN_WAIT_2
tcp        0      0  169.163.162.117.6071   153.40.20.205.46382     FIN_WAIT_2
tcp        0      0  169.163.162.117.6071   153.40.20.206.45873     CLOSE_WAIT
tcp        0      0  *.6071                 *.*                     LISTEN

After ReStarting SOAP Server
After Recycling
netstat -an | grep -i 6071
tcp        0      0  169.163.162.117.6071   153.40.20.205.46382     FIN_WAIT_2
tcp        0      0  *.6071                 *.*                     LISTEN
tcp        0      0  169.163.162.117.6071   153.40.20.206.49772     FIN_WAIT_2

The workaround is to inform the Front End ( Java ) that there is a hang.
Is there any way where I can catch the CLOSE_WAIT status if I execute the netstat command in my SOAP Server code ?
Is there any way to execute and caputure the CLOSE_WAIT and then throw an exception

Thank you
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Keywords: Excecuting netstat command in a C++…
Title
1 NBTSTAT/NETSTAT/ARP
2 NETSTAT and monitoring your ports
3 Hp-UX Tools
4 PHP:SOAP - Complex Types
5 netstat
6 netstat
 
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