Nmap Development mailing list archives
Re: Socket troubles: Too many open files
From: David Fifield <david () bamsoftware com>
Date: Fri, 21 Sep 2012 00:09:30 -0700
On Thu, Sep 20, 2012 at 10:08:33PM -0400, Patrick Donnelly wrote:
On Thu, Sep 20, 2012 at 9:23 PM, David Fifield <david () bamsoftware com> wrote:The descriptors created in the first four calls would be lost, and only the last would be reclaimed by the close. I think this is a bug in Nsock or in the NSE binding to Nsock.I think the problem was introduced when the nsock binding moved socket iod allocation from new_socket to connect (which was a good thing). I don't know if throwing a `if (nu->nsiod == NULL) nu->nsiod = nsi_new(nsp, NULL);' is the right fix...
Good thought, but I get this error: NSOCK (0.2220s) TCP connection requested to 127.0.0.1:1000 (IOD #1) EID 8 NSOCK (0.2720s) Callback: CONNECT TIMEOUT for EID 8 [127.0.0.1:1000] NSE: TCP 127.0.0.1:36140 > 127.0.0.1:1000 | CONNECT NSOCK (0.2720s) TCP connection requested to 127.0.0.1:1000 (IOD #1) EID 16 Unable to update events for IOD #1: No such file or directory QUITTING! NSE: TCP 127.0.0.1:36141 > 127.0.0.1:1000 | CLOSE NSOCK (0.2720s) nsi_delete (IOD #1) Trying to delete NSI, but could not find 1 of the purportedly pending events on that IOD. QUITTING! What do you think about this patch? It moves some common code to a close_internal function, then calls close_internal when connect is called again on an already initialized socket. We don't call initialize again, because that discards socket data like the timeout. David Fifield
Attachment:
nse-nsock-reconnect-close.patch
Description:
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Current thread:
- Socket troubles: Too many open files Christopher Clements (Sep 12)
- Re: Socket troubles: Too many open files Henri Doreau (Sep 13)
- Re: Socket troubles: Too many open files Christopher Clements (Sep 14)
- Re: Socket troubles: Too many open files David Fifield (Sep 14)
- Re: Socket troubles: Too many open files David Fifield (Sep 20)
- Re: Socket troubles: Too many open files starlight . 2012q3 (Sep 20)
- Re: Socket troubles: Too many open files David Fifield (Sep 20)
- Re: Socket troubles: Too many open files Christopher Clements (Sep 14)
- Re: Socket troubles: Too many open files David Fifield (Sep 20)
- Re: Socket troubles: Too many open files Patrick Donnelly (Sep 20)
- Re: Socket troubles: Too many open files David Fifield (Sep 21)
- Re: Socket troubles: Too many open files Patrick Donnelly (Sep 21)
- Re: Socket troubles: Too many open files David Fifield (Sep 21)
- Re: Socket troubles: Too many open files Henri Doreau (Sep 13)
- Re: Socket troubles: Too many open files Henri Doreau (Sep 21)