<div dir="ltr">Hi there,<div><br></div><div>I have a weird issue with kamailio (latest docker image kamailio-ci:5.5.2-alpine) and http_async_client.</div><div><br></div><div>Before posting a lot of logs, let me describe what I want to achieve.</div><div><br></div><div>I have a Kamailio and a SIP Phone.</div><div><br></div><div>The SIP phone sends a REGISTER to kamailio, then in my routing block, I check if I have an Authorization header.</div><div><br></div><div>Since I don't have an Authorization (first message), I use "www_challenge()".</div><div>This replies to the SIP phone, and then the SIP phone sends a new REGISTER with the correct Authorization header.</div><div><br></div><div>So far so good.</div><div><br></div><div>Now, when I get the REGISTER with Authorization header, I want to ask an HTTP endpoint if this user is allowed to connect and check the password using http_async_query().</div><div><br></div><div>The problem is that when the transaction resumes, the tmx module is unhappy and throws this error :</div><div><br></div><div>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Andale Mono";color:rgb(47,255,18);background-color:rgba(0,0,0,0.9)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">30(36) CRITICAL: tmx [t_var.c:546]: pv_get_tm_reply_code(): no picked branch (-1) for a final response in MODE_ONFAILURE</span></p></div><div><br></div><div>And a 500 error is sent back to the sip phone.</div><div>The AUTH_REPLY route is still called and I can use the $http* values.</div><div><br></div><div>Do you see something that I am doing wrong or missing in my logic?</div><div>Is pausing/resuming to use the async http client is allowed if I'm handling a REGISTER transaction?</div><div><br></div><div>Here's a simplified version of my routing block (not far from reality):</div><div><br></div><div>##### SNIP </div><div><br></div><div><pre style="color:rgb(36,41,46);font-family:Menlo,monospace">request_route{</pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace">route(AUTH);</pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace"><br></pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace">route[AUTH]{</pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace"><pre style="font-family:Menlo,monospace"> if (is_method(<span style="color:rgb(3,47,98)">"REGISTER"</span>){</pre><pre style="font-family:Menlo,monospace"> if(no_auth_header){</pre><pre style="font-family:Menlo,monospace"> www_challenge(<span style="color:rgb(3,47,98)">"$td"</span>,<span style="color:rgb(3,47,98)">"1"</span>)<span style="color:rgb(106,115,125)">;</span></pre><pre style="font-family:Menlo,monospace"><span style="color:rgb(106,115,125)"> exit;</span></pre><pre style="font-family:Menlo,monospace"> }</pre><pre style="font-family:Menlo,monospace"> else{</pre><pre style="font-family:Menlo,monospace"> t_newtran();</pre><pre style="font-family:Menlo,monospace"> http_async_query(<span style="color:rgb(3,47,98)">"<a href="http://xxx.xxx.xxx.xxx:9000/auth?foo=bar">http://xxx.xxx.xxx.xxx:9000/auth?foo=bar</a>"</span>, <span style="color:rgb(3,47,98)">"AUTH_REPLY"</span>)<span style="color:rgb(106,115,125)">;</span></pre><pre style="font-family:Menlo,monospace"> }</pre><pre style="font-family:Menlo,monospace"> }</pre></pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace">}</pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace"><br></pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace">route[AUTH_REPLY]{</pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace"> xlog(<span style="color:rgb(3,47,98)">"L_INFO"</span>, <span style="color:rgb(3,47,98)">"route[HTTP_REPLY]: status $http_rs\n"</span>)<span style="color:rgb(106,115,125)">;</span><br></pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace">}</pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace"><br></pre><pre style="color:rgb(36,41,46);font-family:Menlo,monospace">}</pre></div><div>##### END SNIP</div><div><br></div><div><br></div><div>Best regards!</div>
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