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Alex Badea vamposdecampos at gmail.comOn 2010-12-22 20:01, Jason wrote: >> So what's missing is really only the PCAP support... > > would you want libpcap (a lot of unnecessary code), or just use the file > and packet headers? Here's some hackish code I wrote which might be useful. I've recently been abroad (in Austria), and wanted to run cell_log stand-alone on my GTA02 without lugging a laptop around. I ran cell_log on the GTA02 application processor (with hacked timers to spend a longer time camped on each ARFCN), sending gsmtap packets to localhost. I then had a small program[1] which receives these and writes them to a file in .pcap format. For simplicity (and somewhat lower overhead) only the raw GSMTAP payload is written, and the linktype is set to DLT_USER0. A small wireshark patch[2] then allows these captures to be read directly[3]. Cheers, Alex [1], [2] attached. [3] e.g., wireshark -o "uat:user_dlts:\"User 0 (DLT=147)\",\"gsmtap\",\"0\",\"\",\"0\",\"\"" -------------- next part -------------- A non-text attachment was scrubbed... Name: gsmtap_cap.c Type: text/x-csrc Size: 1930 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20110114/707f009e/attachment.bin> -------------- next part -------------- A non-text attachment was scrubbed... Name: wireshark-gsmtap.patch Type: text/x-diff Size: 506 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20110114/707f009e/attachment-0001.bin>