Re: [Libevent-users] FD_SETSIZE - max connections in Windows - help!

[Patrick Galbraith <patg@xxxxxxxx>]

Hi again Stephen,

More info - I tried building with Visual Studio and get this error:

------ Build started: Project: libevent, Configuration: Debug Win32 ------
Build started 3/18/2010 9:45:57 PM.
InitializeBuildStatus:
 Creating ".\Debug\libevent.unsuccessfulbuild" because "AlwaysCreate" 
was specified.
ClCompile:
 win32iocp.c
c:\program files\microsoft sdks\windows\v7.0a\include\ws2def.h(583): 
error C2011: 'sockaddr_in' : 'struct' type redefinition
         c:\program files\microsoft 
sdks\windows\v7.0a\include\ws2def.h(286) : see declaration of 'sockaddr_in'
c:\dev\libevent-1.4.7-iocp\event.h(167): fatal error C1083: Cannot open 
include file: 'sys/time.h': No such file or directory
 win32.c
c:\program files\microsoft sdks\windows\v7.0a\include\ws2def.h(583): 
error C2011: 'sockaddr_in' : 'struct' type redefinition
         c:\program files\microsoft 
sdks\windows\v7.0a\include\ws2def.h(286) : see declaration of 'sockaddr_in'
c:\dev\libevent-1.4.7-iocp\event.h(167): fatal error C1083: Cannot open 
include file: 'sys/time.h': No such file or directory
 strlcpy.c
 signal.c
c:\dev\libevent-1.4.7-iocp\signal.c(41): fatal error C1083: Cannot open 
include file: 'sys/time.h': No such file or directory
 misc.c
c:\dev\libevent-1.4.7-iocp\win32-code\misc.c(33): warning C4996: 
'_ftime64': This function or variable may be unsafe. Consider using 
_ftime64_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. 
See online help for details.
         c:\program files\microsoft visual studio 
10.0\vc\include\sys\timeb.h(124) : see declaration of '_ftime64'
 log.c
c:\dev\libevent-1.4.7-iocp\log.c(51): fatal error C1083: Cannot open 
include file: 'sys/time.h': No such file or directory
 http.c
c:\dev\libevent-1.4.7-iocp\http.c(33): fatal error C1083: Cannot open 
include file: 'sys/param.h': No such file or directory
 evutil.c
c:\dev\libevent-1.4.7-iocp\evutil.c(43): fatal error C1083: Cannot open 
include file: 'unistd.h': No such file or directory
 event_tagging.c
c:\dev\libevent-1.4.7-iocp\event_tagging.c(36): fatal error C1083: 
Cannot open include file: 'sys/param.h': No such file or directory
 event.c
c:\dev\libevent-1.4.7-iocp\event.c(38): fatal error C1083: Cannot open 
include file: 'sys/time.h': No such file or directory
 evdns.c
c:\dev\libevent-1.4.7-iocp\evdns.c(82): fatal error C1083: Cannot open 
include file: 'sys/time.h': No such file or directory
 evbuffer.c
c:\dev\libevent-1.4.7-iocp\evbuffer.c(35): fatal error C1083: Cannot 
open include file: 'sys/time.h': No such file or directory
 buffer.c
c:\dev\libevent-1.4.7-iocp\buffer.c(45): fatal error C1083: Cannot open 
include file: 'sys/time.h': No such file or directory
 Generating Code...

Build FAILED.

Time Elapsed 00:00:06.22
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========


lau stephen wrote:
> These is a libevent version that contains an iocp implement for windows.
> It implement the iocp for event_add/event_del interface, so it can be
> used by memcached.
>
> http://spserver.googlecode.com/files/libevent-1.4.7-stable-iocp-1.zip
>
>
> 2010/3/16 Patrick Galbraith <patg@xxxxxxxx>:
>   
> > Hi all,
> >
> > We have hit a brick wall with memcached - namely max connections with
> > select.
> >
> > Namely, select from libvent use by memcached on windows, according to the
> > documentation from MSDN you need to
> > set FD_SETSIZE to the maximum number of sockets to use. By default
> > FD_SETSIZE
> > == 64. We set FD_SETSIZE to 2048 in  win32select.c at the top prior to
> > including winsock2.h, but still no success. It seems to fail at 41
> > connections.
> >
> > Has anyone dealt with this before?
> >
> > Thank you,
> >
> > Patrick
> > ***********************************************************************
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> >     
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