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--- cookbooks:devel:pseudovariables [2022/03/31 06:33] – [Presence Module] miconda
+++ cookbooks:devel:pseudovariables [2022/04/07 08:14] – [Evrexec Module] miconda
@@ Line 2659: / Line 2659: @@
   * text - text of the code for the JSONRPC response
   * body - the body of the JSONRPC response
+===== $lsock(expr) =====
+Get attributes for listen sockets.
+The **expr** is an expression specifying what to match and return, the format is:
+<code>
+matchid/value/field
+</code>
+The **expr** can contain variables that are evaluated before parsing the expression.
+The **matchid** can be:
+  * n - match on name
+  * l - match on listen address
+The **value** specifies what to match with.
+The **field** can be (only first character matches):
+  * name - return name
+  * listen - return the listen address
+  * advertise - return the advertise address
+  * index - return the index in the list of all sockets
+Example:
+<code>
+listen=udp:127.0.0.1:5060 advertise 127.0.0.1:5090 name "s0"
+...
+xinfo("$lsock(n/s0/listen)\n");
+xinfo("$lsock(l/udp:127.0.0.1:5060/name)\n");
+$var(s0) = "n/s0/listen";
+xinfo("$lsock($var(s0))\n");
+</code>
 ===== Evrexec Module =====