[netperf-talk] Loopback test on XP "connection forcibly closed"; WDK errors

[Rick Jones]

Kevin Murphy wrote:
> Thanks- 
> I used the netserver.c you supplied and got the exact same results after 
> running netserver and then netperf on the same machine. 
> 
> I ran "netserver -v 2 -d" and "netperf" (no options)
> 
> The small netperf.debug file in C:\Temp\ is 
> C:\Temp>type netperf.debug
> *Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC*
> *nfo returned the following for host '0.0.0.0' port '12865' family 
> AF_UNSPEC*
> *        cannonical name: '(nil)'*
> *        flags: 4 family: AF_INET: socktype: SOCK_STREAM protocol 
> IPPROTO_TCP addrlen 16*
> *        sa_family: AF_INET sadata: 50 65 0 0 0 0*
> *Starting netserver at port 12865*
> *CreateProcessfailure: : The system cannot find the file specified.*

Is there a c:\temp (or is it c:\tmp?) directory on the system to which netserver 
can write?

rick jones

> *
> *
> Trying to figure out how to capture loopback traffic on XP with 
> Wireshark. Not easy. 
> 
> Will try to run on two different servers.
> 
> If anyone has 2.4.5 running on XP SP 2 or 2K3 binaries appreciated.
> 
> Thanks - kevin
> 
> On Wed, Aug 19, 2009 at 2:44 PM, Rick Jones <rick.jones2 at hp.com 
> <mailto:rick.jones2 at hp.com>> wrote:
> 
>     Kevin Murphy wrote:
> 
>         1) Downloaded sources for netperf 2.4.5
>         2) Downloaded WDK 7
>         3) Made changes to netserver.c per July 23, 2009 email. Mostly
>         around cmdline parsing
> 
> 
>     Good, just to be paranoid, I'll attach the top-of-trunk netserver.c
>     for comparison.
> 
>         4) Started WDK - x86 free build environment
>         5) Built netserver
> 
>            *Launching OACR monitor
>            *
>            *C:\WinDDK\7600.16385.0>cd \netperf-2.4.5\src\NetServerDir*
>            *
>            *
>            *C:\netperf-2.4.5\src\NetServerDir>build /c*
>            *BUILD: Compile and Link for x86*
>            *BUILD: Loading c:\winddk\7600.16385.0\build.dat...*
>            *BUILD: Computing Include file dependencies:*
>            *BUILD: Start time: Wed Aug 19 14:05:43 2009*
>            *BUILD: Examining c:\netperf-2.4.5\src\netserverdir directory for
>            files to compile.*
>            *BUILD: Saving c:\winddk\7600.16385.0\build.dat...*
>            *BUILD: Compiling and Linking c:\netperf-2.4.5\src\netserverdir
>            directory*
>            *Configuring OACR for 'root:x86fre' - <OACR on>*
>            *_NT_TARGET_VERSION SET TO WINXP*
>            *Compiling - netcpu_ntperf.c*
>            *Compiling - netlib.c*
>            *Compiling - netsh.c*
>            *Compiling - nettest_bsd.c*
>            *Compiling - netserver.c*
>            *Compiling - generating code...*
>            *Compiling - inet_ntop.c*
>            *Linking Executable - objfre_wxp_x86\i386\netserver.exe*
>            *BUILD: Finish time: Wed Aug 19 14:05:48 2009*
>            *BUILD: Done*
>            *
>            *
>            *    10 files compiled - 1 Warning*
> 
> 
>     Good.
> 
>         5) built netperf
> 
>            *Launching OACR monitor
>            *
>            *C:\WinDDK\7600.16385.0>cd \netperf-2.4.5\src\NetServerDir*
>            *
>            *
>            *C:\netperf-2.4.5\src\NetServerDir>build /c*
>            *BUILD: Compile and Link for x86*
>            *BUILD: Loading c:\winddk\7600.16385.0\build.dat...*
>            *BUILD: Computing Include file dependencies:*
>            *BUILD: Start time: Wed Aug 19 14:05:43 2009*
>            *BUILD: Examining c:\netperf-2.4.5\src\netserverdir directory for
>            files to compil*
>            *e.*
>            *BUILD: Saving c:\winddk\7600.16385.0\build.dat...*
>            *BUILD: Compiling and Linking c:\netperf-2.4.5\src\netserverdir
>            directory*
>            *Configuring OACR for 'root:x86fre' - <OACR on>*
>            *_NT_TARGET_VERSION SET TO WINXP*
>            *Compiling - netcpu_ntperf.c*
>            *Compiling - netlib.c*
>            *Compiling - netsh.c*
>            *Compiling - nettest_bsd.c*
>            *Compiling - netserver.c*
>            *Compiling - generating code...*
>            *Compiling - inet_ntop.c*
>            *Linking Executable - objfre_wxp_x86\i386\netserver.exe*
>            *BUILD: Finish time: Wed Aug 19 14:05:48 2009*
>            *BUILD: Done*
>            *
>            *
>            *    10 files compiled - 1 Warning*
> 
> 
>     Good
> 
>         6) started netserver (no commandline options)
>         7) netstat -an shows netserver listening on TCP 0.0.0.0:12865
>         <http://0.0.0.0:12865> <http://0.0.0.0:12865>
> 
> 
>     Good.
> 
>         8) started netperf on same host. Netserver stops, and netperf
>         reports
>            *C:\netperf-2.4.5\src\NetPerfDir>objfre_wxp_x86\i386\netperf*
>            *TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to John
>            (127.0.0.1) port 0 AF_INET*
>            *recv_response: An existing connection was forcibly closed by the
>            remote host.*
> 
> 
>     Hmm, I would not have expected netserver to stop.  Tripped over
>     something no doubt, but the question is what.
> 
>         9) Of interest WDK is reporting 80 errors - all essentially the
>         same error for several files including netlib.c, netserver.c, etc.
>            *WARNING: Banned API Usage: _snprintf is a Banned API as
>         listed in
>            dontuse.h for security purposes.*
> 
> 
>     Fascinating - I wonder what dontuse.h suggests one should use to
>     replace it.
> 
>     happy benchmarking,
> 
>     rick jones
> 
> 
> 
>         Thanks - Kevin
> 
> 
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