From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jamie Le Tual Subject: Re: tcpdump equivalent for the serial port Date: Fri, 12 Sep 2003 10:34:34 -0400 Sender: linux-c-programming-owner@vger.kernel.org Message-ID: <3F61D97A.7020202@kmtechnologies.com> References: <3F61CC14.20607@abcpages.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <3F61CC14.20607@abcpages.com> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: linux-c-programming@vger.kernel.org I would probably try to see if I could alter the kernel serial port driver, there may even be an API in the driver for what you want. That's where I would start. Peace, Jamie Nicolae Mihalache wrote: > Hello! > > I'm interested if somebody has any ideea how to write a program that > is able to sniff the data passing through a serial port the same way > tcpdump is able to show the data passing through the ethernet cable, > i.e. without disturbing the application that sends/receives the data. > I've seen few programs that basically work as tunnels opening a > pseudo-console where the application connects and writing on the other > side to the serial device. This approach is not very useful because I > want to be able to start/stop my sniffer without interupting the > communication and also the application can control different settings > of the serial port which probably will not be forwarded by the tunnel. > > Thanks, > mache > > - > To unsubscribe from this list: send the line "unsubscribe > linux-c-programming" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > . >