On Feb 24, 2014, at 10:41 PM, Raj Sharma <sharmaraj....@gmail.com> wrote:
> Hi, > > It is generating " WARNING: Can't acquire lockfile > '/usr/local/trafficserver/var/trafficserver/server.lock' (Lock file held by > process ID 17952) " warning when I execute " sudo > $PREFIX/bin/traffic_server -T debug-hello" this. Yup, as Leif noted you can only run Traffic Server once ... kill the old process. > Also tell me how can we categories http header request user agents. Since > ATS receives request from different user agents and keeps a copy in cache > for each UA, that mean for a single url I have multiple copies on the basis > of user agents. Kindly tell me is there any mechanism to categories all UAs > with a single one? There's nothing in Traffic Server that classifies user agents. By default, ATS would not keep a separate document in cache for each UA, unless you enable an alternate for each UA: https://trafficserver.readthedocs.org/en/latest/admin/http-proxy-caching.en.html?#caching-http-alternates > > > > -----Original Message----- > > From: James Peach [mailto:jpe...@apache.org] > > Sent: Monday, February 24, 2014 11:48 PM > > To: dev > > Subject: Re: plugin not working > > > > > > On Feb 24, 2014, at 6:42 AM, Raj Sharma <raj.sha...@makemytrip.com> wrote: > > > >> Hi, > >> > >> I am a software developer in MakeMyTrip.com. I am creating a plugin in > Apache Traffic server 3.2.0. > > > > Why 3.2.0? 4.1.2 is the latest stable, and closest to the upcoming 4.2.0 > release. > > > >> For that below are the steps I have been followed- > >> > >> * Created a hello-world.c file > >> #include <stdio.h> > >> #include <ts/ts.h> > >> int > >> check_ts_version() > >> { > >> > >> const char *ts_version = TSTrafficServerVersionGet(); int result = 0; > >> > >> if (ts_version) { > >> int major_ts_version = 0; > >> int minor_ts_version = 0; > >> int patch_ts_version = 0; > >> > >> if (sscanf(ts_version, "%d.%d.%d", &major_ts_version, > >> &minor_ts_version, &patch_ts_version) != 3) { > >> return 0; > >> } > >> > >> /* We need at least Traffic Server 2.0 */ > >> > >> if (major_ts_version >= 2) { > >> result = 1; > >> } > >> > >> } > >> > >> return result; > >> } > >> > >> void > >> TSPluginInit (int argc, const char *argv[]) { > >> > >> TSPluginRegistrationInfo info; > >> > >> info.plugin_name = "hello-world"; > >> info.vendor_name = "MyCompany"; > >> info.support_email = "ts-api-supp...@mycompany.com"; > >> > >> if (!TSPluginRegister (TS_SDK_VERSION_2_0 , &info)) { > > > > TSPluginRegister returns a TS_ERROR when it fails, which has the value -1. > You should register against TS_SDK_VERSION_3_0. > > > >> TSError ("Plugin registration failed. \n"); > >> } > >> > >> if (!check_ts_version()) { > >> TSError ("Plugin requires Traffic Server 2.0 or later\n"); > >> return; > >> } > >> > >> TSDebug ("debug-hello", "Hello World!\n"); } > > > > If you enable diagnostic tags, and set the "debug-hello" tag, then you > ought to see this message printed in the diagnostics log. > > > > https://trafficserver.readthedocs.org/en/latest/reference/configuration/records.config.en.html#diagnostic-logging-configuration > > > > For a quick test, you can do: > > sudo $PREFIX/bin/traffic_server -T debug-hello > > > > > >> * Compiled it with "tsxs -o hello-world.so -c hello-world.c" > >> * Installed with "sudo tsxs -o hello-world.so -i" > >> * Then updated my plugin.config file by just adding one line # a > >> simple plugin.config for hello-world.so > >> /usr/local/libexec/trafficserver/hello-world.so > /usr/local/etc/trafficserver/hello-world.config > >> * Then specified the path in records.config file like- CONFIG > >> proxy.config.plugin.plugin_dir STRING /usr/local/libexec/trafficserver > >> > >> After these configuration I restarted my traffic server but I am unable > to use this plugin. Basically I need such plugin which can categories the > HTTP header user agents and I think it can be resolved by using > header_filter plugin. > >> Can you tell me the complete process for creating new plugins or use > existing plugins, also tell me that how can I check whether my plugin is > working on not. > >> > >> Kindly revert me asap. > >> > >> > >> Thanks and Regards, > >> Raj Sharma | Software Developer - Technology Development > >> +918010833979 +918010833979 | MakeMyTrip.com, 243 SP Infocity, Udyog > >> +Vihar Phase 1, Gurgaon, Haryana - 122 016, India
