Udpcast

udpcast@udpcast.linux.lu

552 discussions

Re: [Udpcast] Patch that fix build on rhel-7 and fc-20 (fd_set problem)
by Michael D. Setzer II 16 Jul '14

16 Jul '14

I don't know about rhel-7-x86_64 but with both fc-20 32bit and 64 I get the following error after doing ./configure then make. In file included from console.c:7:0: console.h:25:9: error: unknown type name ‘fd_set’ fd_set *read_set, struct timeval *tv, ^ make: *** [console.o] Error 1 My fix was to console.h to add #include <sys/select.h> After adding that line, and rerunning make it compiles on both the 32bit and 64bit fedora 20 machines I have. Don't know if this patch is effecting the whole thing, or if this addition might cause problems building on other systems. Just found where fd_set was defined and added the include. On 16 Jul 2014 at 15:39, Alain Knaff wrote: Date sent: Wed, 16 Jul 2014 15:39:00 +0200 From: Alain Knaff <alain(a)knaff.lu> To: udpcast(a)udpcast.linux.lu Subject: Re: [Udpcast] Patch that fix build on rhel-7 and fc-20 (fd_set problem) > On 16/07/14 15:22, Olivier LAHAYE wrote: >> > >Hi, >> > > Here is a patch to udpcast that fixes the build problem on > > rhel-7-x86_64 and fc-20-x86_64. >> > > Please review the patch, merge it to the source-tree and provide a > > updated tarball. >> > > Thanks in advance. >> > >Olivier. >> > > Could you maybe first start with explaining what "the" build problems > on rhel-7 and fc-20 are? > >Thanks, > >Alain > >_______________________________________________ > Udpcast mailing list >Udpcast(a)udpcast.linux.lu >https://www.udpcast.linux.lu/cgi-bin/mailman/listinfo/udpcast +----------------------------------------------------------+ Michael D. Setzer II - Computer Science Instructor Guam Community College Computer Center mailto:mikes@kuentos.guam.net mailto:msetzerii@gmail.com http://www.guam.net/home/mikes Guam - Where America's Day Begins G4L Disk Imaging Project maintainer http://sourceforge.net/projects/g4l/ +----------------------------------------------------------+ http://setiathome.berkeley.edu (Original) Number of Seti Units Returned: 19,471 Processing time: 32 years, 290 days, 12 hours, 58 minutes (Total Hours: 287,489) BOINC@HOME CREDITS ROSETTA 17621215.996525 | SETI 29126476.308997 ABC 16613838.513356 | EINSTEIN 28060690.358937

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Patch that fix build on rhel-7 and fc-20 (fd_set problem)
by Olivier LAHAYE 16 Jul '14

16 Jul '14

Hi, Here is a patch to udpcast that fixes the build problem on rhel-7-x86_64 and fc-20-x86_64. Please review the patch, merge it to the source-tree and provide a updated tarball. Thanks in advance. Olivier. -- Olivier Lahaye DRT/LIST/DIR

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Dissector
by Brent Kimberley 27 Jun '14

27 Jun '14

Greetings. Has anyone written a dissector for UDPCast or considered adding Low Density Parity Check Codes? Best Regards, Brent THIS MESSAGE IS FOR THE USE OF THE INTENDED RECIPIENT(S) ONLY AND MAY CONTAIN INFORMATION THAT IS PRIVILEGED, PROPRIETARY, CONFIDENTIAL, AND/OR EXEMPT FROM DISCLOSURE UNDER ANY RELEVANT PRIVACY LEGISLATION. No rights to any privilege have been waived. If you are not the intended recipient, you are hereby notified that any review, retransmission, dissemination, distribution, copying, conversion to hard copy, taking of action in reliance on or other use of this communication is strictly prohibited. If you are not the intended recipient and have received this message in error, please notify me by return e-mail and delete or destroy all copies of this message.

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Using Udp Cast over Vpn?
by calibu taranjik 24 Jan '14

24 Jan '14

Hi First of of thanks to developers for this great tool. I am trying to use it over vpn connection but I cannot get the server and the client to see eachother. I define the interface in the commandline as tun0 but that is not doing the job. My Vpn has 10.30.0. range. thanks

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Issue building on Fedora 20?
by Michael D. Setzer II 13 Jan '14

13 Jan '14

Just setup some new machines with Fedora 20, and was going thru the process of building the udpcast, and got an error message that fd_set was not defined in console.h. Did a check and this is defined in sys/select.h and that is listed in the socklib.h, so not sure what the issue is?? I added the include of sys/select.h in console.h, and then the make went thru with no problem. +----------------------------------------------------------+ Michael D. Setzer II - Computer Science Instructor Guam Community College Computer Center mailto:mikes@kuentos.guam.net mailto:msetzerii@gmail.com http://www.guam.net/home/mikes Guam - Where America's Day Begins G4L Disk Imaging Project maintainer http://sourceforge.net/projects/g4l/ +----------------------------------------------------------+ http://setiathome.berkeley.edu (Original) Number of Seti Units Returned: 19,471 Processing time: 32 years, 290 days, 12 hours, 58 minutes (Total Hours: 287,489) BOINC@HOME CREDITS ROSETTA 9894257.174270 | SETI 17280158.156095 ABC 16613838.513356 | EINSTEIN 15060552.839852

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updcast packet capture issue
by Chris Healy 06 Oct '13

06 Oct '13

Alain, I'm trying to perform a packet capture of the data transmitted by udp-sender using Wireshark and am running into the exact same problem encountered by Lance 8 years ago. (posting listed below.) What information can I provide to help debug this issue? Also, can you tell me if the multicast data sent includes a sequence number and does the receiver have the ability to filter out duplicate multicast frames? Regards, Chris On Mon 8/15/2005 10:25 AM, Alain Knaff wrote: >*Try upgrading to a newer version of ethereal.*>**>*I just tried it here: version 0.10.9 has the problem, but 0.10.12*>*works fine.*>**>*Or use tcpdump...* I have used the lattest version of udpcast (udpcast-20050226.tar.gz) as well as used ethereal version 0.10.12 and I still get the "Bogus IP header length (0, must be at least 20)" I will continue to try this on different Platforms with different network switches and see what I get. -Lance

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[PATCH] Fix build failure on AArch64
by Will Newton 23 May '13

23 May '13

Hi all, The attached trivial patch fixes a build failure on the AArch64 architecture. The sys/select.h header is required by POSIX to get the definitions for fd_set and struct timeval. Thanks,

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Multiple file transfer
by prasad t m 03 May '13

03 May '13

Hi, I am working on Multicast Download using *Windows Version* of UDPcast application. I want couple of information on UDPCast tool. 1. Can we transfer multiple files using single command line from sender? 2. Is it possible to identify the Name of the file being transferred at the reciever end? Thanks for the help in advance. Thanks and Regards, Prasad

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User feedback with low-end cpu
by Erwan Velu 23 Apr '13

23 Apr '13

I'm using udpcast everyday on a large scale setup (between 100 and 500 per install) while counting more than 3000 devices using it at the total. Udpcast runs on an Intel ATOM E600 that features a very weak pch_gbe network driver (linux 3.2 series + Preempt-RT). I'm trying to be as fast and as reliable as possible in a one-way setup. We do have some post-processing on the output stream also to insure coherency & performance (required by our use case). Streaming at 220Mbps with an 8X8 FEC leads to a very high cpu usage & system load. The only way to get it stable is at least to change it priority by using "schedtool -R -p 10 udcpast". Since I'm running this setup I'm loosing very few packet. Maybe this approach could help some while debugging udpcast on low-end cpus. Cheers, Erwan

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Comments about my patch
by Erwan Velu 23 Apr '13

23 Apr '13

Hi Alain, I've been sending an email in november about I bug I had on my setup. http://www.udpcast.linux.lu/pipermail/udpcast/2012-November/001194.html Since I'm running this commit I never had the problem again (while it was present at every run before). I never got any formal feedback about it to see if it's the proper way to solve it. I really would like some comments on it. Cheers, Erwan

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