Re: Socket Question - Exception Set

[Scott Klement <rpg400-l@xxxxxxxxxxxxxxxx>]

The only exception event that I'm aware of is out-of-band data arriving 
on a TCP socket.

Are you using out-of-band data in your applications?


On 3/31/2010 3:17 PM, mgarton@xxxxxxxxxxxxxxx wrote:
> I have a socket application built off Scott Klement's socket examples. A
> listener job that spawns a job to do the work.  In the spawned job it does
> the following:
>
> C                   callp     init_signals()
> C                   Callp     FD_Zero(read_set)
> C                   Callp     FD_Set(session : read_set)
> C                   eval      excp_set = read_set
>
> C                   If        Select(session+1: %addr(read_set): *Null:
> C                                 %addr(excp_set): %addr(SocWaitTime))<  0
> C                   Eval      wLogMsg = 'Error on select!'
> C                   CallP     WriteLog('E': 'Select' : wLogMsg)
> C                   EndIf
>
> C                   If        FD_ISSET(session : excp_set)
> C**                   ERROR Code
> C                   EndIf
>   C                   If        FD_ISSET(session : read_set)
> C                   eval      ReturnCode = trecvline(session:
> C                                                    msg :
> C                                                    %size(msg) :
> C                                                    15)
> C                   If        ReturnCode<= 0
> C*                   Error code
> C                   Else
> C ***         Process
> C                   EndIf
> C                   Endif
>
>
> I am seeing exceptions events on the exception set.  What causes this?
> Right now the program just logs the exception.  How do I get additional
> error data to find out what i causing this?  This application has been
> running for awhile, but only recently have I been seeing exceptions being
> logged and it seems to be getting worse.
>
> Thanks.
>
> Mark