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64 lines
1.8 KiB
64 lines
1.8 KiB
#
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# $Id$
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#
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# example script showing both types of forking;
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# incoming message is forked in parallel to
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# 'nobody' and 'parallel', if no positive reply
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# appears with final_response timer, nonsense
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# is retried (serial forking); than, destination
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# 'foo' is given last chance
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# ------------------ module loading ----------------------------------
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loadmodule "modules/sl/sl.so"
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loadmodule "modules/tm/tm.so"
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# ----------------- setting module-specific parameters ---------------
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# -- tm params --
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# set time for which ser will be waiting for a final response;
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# fr_inv_timer sets value for INVITE transactions, fr_timer
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# for all others
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modparam("tm", "fr_inv_timer", 15 )
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modparam("tm", "fr_timer", 10 )
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# ------------------------- request routing logic -------------------
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# main routing logic
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route{
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# for testing purposes, simply okay all REGISTERs
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if (method=="REGISTER") {
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log("REGISTER");
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sl_send_reply("200", "ok");
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break;
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};
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# try these two destinations first in parallel; the second
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# destination is targeted to sink port -- that will make ser
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# wait until timer hits
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seturi("sip:nobody@iptel.org");
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append_branch("sip:parallel@iptel.org:9");
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# if we do not get a positive reply, continue at reply_route[1]
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t_on_failure("1");
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# forward the request to all destinations in destination set now
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t_relay();
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}
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failure_route[1] {
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# forwarding failed -- try again at another destination
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append_branch("sip:nonsense@iptel.org");
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log(1,"first redirection\n");
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# if this alternative destination fails too, proceed to reply_route[2]
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t_on_failure("2");
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t_relay();
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}
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failure_route[2] {
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# try out the last resort destination
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append_branch("sip:foo@iptel.org");
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log(1, "second redirection\n");
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# we no more call t_on_negative here; if this destination
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# fails too, transaction will complete
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t_relay();
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}
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