Hi Barry I tested this in kamailio 5.8.4 (x86_64/linux) and it works for me.

GET / HTTP/1.1 X-Special: James special websocket client Sec-WebSocket-Version: 13 Sec-WebSocket-Key: BusZNu+n1GkrSfuhBvbLQQ== Connection: Upgrade Upgrade: websocket Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits Sec-WebSocket-Protocol: sip x-p-push: zoink Contact: yoink Host: sip.frideo.eu:5066

HTTP/1.1 101 Switching Protocols Sia: SIP/2.0/TCP 11.15.32.1:33333 Sec-WebSocket-Protocol: sip Upgrade: websocket Connection: upgrade Sec-WebSocket-Accept: 9T//rnFY9NnFuZDn1UNPh7qqmZQ= Server: Telnyx SIP Proxy Content-Length: 0

xlog("L_INFO", "BF x-p-push header is $hdr(x-p-push) Contact is $hdr(Contact)\n"); 31(438) INFO: <script>: BF x-p-push header is zoink Contact is yoink

Those header fields look like they're SIP header fields not HTTP header fields. Are you by any chance expecting that the event_route[xhttp:request] should handle the SIP messages over websocket (it does not)?

James

On Tue, 21 Jan 2025 at 08:37, Daniel-Constantin Mierla via sr-users sr-users@lists.kamailio.org wrote:

Hello,

can you print $mb and see if the headers are there? Any errors in the syslog?

Cheers, Daniel

On 20.01.25 22:26, Barry Flanagan via sr-users wrote:

Hi,

I need to be able to pull in a header provided by a webrtc endpoint so I can use it in my request_route. I understand that I will need to use shm/htable to make it visible but I am unable to get the xhttp header using $header(x-p-push), or any header by name.

In my event_route[xhttp:request] I have the following: if ($hdr(Upgrade) =~ "websocket" && $hdr(Connection) =~ "Upgrade" && $rm =~ "GET") { .... xlog("L_INFO", "BF x-p-push header is $hdr(x-p-push) Contact is $hdr(Contact)\n"); }

The log shows both x-p-push and Contact header as null. sipdump shows the headers present in the request.

Am I missing something? Running Kamailio 5.8.4

Thanks

-Barry

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