Hi Ovidiu,

Let me share some of the dark corners of openser :) (not known for most of the people) :

$T_branch_idx counts the valid (outgoing) branches and not the branch attempts.

If you have 2 branch attempts and first is discarded, the second will take the index 1.

regards, bogdan

Ovidiu Sas wrote:

Hello,

I was playing wit append_branch and I run into this issue.

Here's a snippet of the code:

route[2] { $var(uri) = $ru; append_branch(); $ru = $var(uri) + ";transport=udp"; t_on_branch("2"); }

branch_route[2] { xlog("L_INFO", "entering branch[$T_branch_idx] for $ru\n");

    if ($T_branch_idx == 1) {
           xlog("L_INFO", "dropping branch[$T_branch_idx]\n");
           drop();
    }

}

In the logs, I got:

entering branch[1] for sip:<user>@<IP>;transport=udp dropping branch[1] entering branch[1] for sip:<user>@<IP> dropping branch[1] ERROR:tm:t_forward_nonack: failure to add branches

Is this the expected result? It seems that we do have two branches, since we enter twice in the branch_route, but the $T_branch_idx doesn't seem to be updated. Or, it is supposed to be updated? Any hints would be appreciated. BTW: this is with 1.3 code base.

Regards, Ovidiu Sas

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