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too many msgs (unknown source)

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Special Forums IP Networking too many msgs (unknown source)
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Old 07-16-2005
too many msgs (unknown source)
Hi All,

I have a problem that I don't know its source. I got a client - server application (one client only) over TCP. I use berkley socket architecture (i.e. select). I log every msg ID that each side recv/ send. the problem is that each side accept more msgs that I actually send, so that all the data that I send is recieved by both sides but between the 'correct' msgs each side accept 'empty msgs'. I indexed each msgs IDs starting from 100 and on, and the log file do contain all of them but also empty msgs (ID = 0). the log file looks like that:

100
0
101
0
0
102
0

etc.

do anyone knows what could be the reason? I checked the buffer state over the 'wrong msgs' and noticed all cells in buffer contains only '0'. also found out that on these cases bytesCounter equals MSG_LEN, so it looks like some wiered msg is somehow received.

I also checked the send function and noticed it's never being called with any msg whos ID is less than 100 (so it can't explain the ID '0').

in my encode string function (client and server are multi OS so I encode/ decode string) I put '\0' in the end of array. could that be the reason?

any other ideas?
thanks.
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LEARN ABOUT DEBIAN

muroard

muroard(1)						   System User's Manual: muroard						muroard(1)

NAME

       muroard - minimalist sound server for the RoarAudio protocol

SYNOPSIS

       muroard [OPTIONS]...

DESCRIPTION

       muRoarD	is  a  sound  server supporting the RoarAudio protocol.  It is designed to mix the audio data of multiple applications together to
       send it as a single stream to the soundcard.

       muRoarD is a minimalist version of such a sound server.	It does only implement the very minimum part the the protocol  but  is	very  much
       smaller than the original roard.

MISC OPTIONS

       -h --help
	      Print a short help and exit.

       --version
	      Print version information of the daemon and exit.

       --daemon
	      Bring the server into background after init.

	      On win32 this hides the console window. This only works if used within a Shortcut.

       --autostandby
	      Start in autostandby mode.

       --no-autostandby
	      Do not start in autostandby mode.

       --standby
	      Start in standby mode.

       --no-standby
	      Do not start in standby mode.

AUDIO OPTIONS

       -R  --rate   RATE
	      Set server sample rate.

       -C  --chans  CHANNELS
	      Set server number of channels channels.

DRIVER OPTIONS

       -O  --odevice DEV
	      Set output device (sound card).  The possible values of this depend on the used driver.

SOURCES OPTIONS

       -S DEV Set the file or device for the new source.

       -sC CHANS
	      Sets the number of channels for the source. This is the same as '-sO channels=XXX' for roard.

       -sB BITS
	      Sets the number of bits for the source. This is the same as '-sO bits=XXX' for roard.

       -sE CODEC
	      Sets codec for the source. This is the same as '-sO codec=XXX' for roard.

NETWORK OPTIONS

       --no-listen
	      Disable listen socket.  This may be used for example to implement the server type '+fork' but is absolutly useless for normal users.

       --client-fh FH
	      Add a client via FH.  See --no-listen.

       --bind ADDR
	      Set path/hostname of listen socket.  This may be a /path/to/sock for UNIX Sockets or a hostname or address for TCP/IP.

	      Please do not use IP Addresses directly if not needed.  Use hostnames.

	      On win32 there is no support for UNIX sockets. Only IP is supported.

       --port PORT
	      Set port of listen socket.  This only applys for TCP/IP sockets and is ignorged for UNIX Sockets.

       -u  --unix
	      Use UNIX Domain listen socket.

	      This is not supported on win32.

       -t  --tcp
	      Use TCP/IP listen socket.

       -n  --decnet
	      Use DECnet listen socket.

SEE ALSO

       muroarstream(1), RoarAudio(7).

HISTORY

       The  first  offical  version  of  muRoarD  (0.1beta0)  was  released on Wed Mar 03 2010 24:26 CET. For more information please see the file
       ChangeLog.

RoarAudio							    March 2010								muroard(1)