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--- cookbooks:devel:core [2021/08/28 08:02]
jih
+++ cookbooks:devel:core [2021/11/23 17:31]
miconda [maxbuffer]
@@ Line 1378: / Line 1378: @@
 ==== maxbuffer ====
-The size in bytes not to be exceeded during the auto-probing procedure of descovering the maximum buffer size for receiving UDP messages. Default value is 262144.
+The size in bytes not to be exceeded during the auto-probing procedure of discovering and increasing the maximum OS buffer size for receiving UDP messages (socket option SO_RCVBUF). Default value is 262144.
 Example of usage:
@@ Line 1384: / Line 1384: @@
     maxbuffer=65536
+Note: it is not the size of the internal SIP message receive buffer.
 ==== max_branches ====
@@ Line 3949: / Line 3950: @@
       * **A** - do not add log prefix
       * **c** - add Call-ID (when available) as a dedicated JSON attribute
+      * **j** - the log prefix and message fields are printed in JSON structure format, detecting if they are enclosed in between **{ }** or adding them as a **text** field
       * **M** - strip EOL ('\n') from the value of the log message field
       * **N** - do not add EOL at the end of JSON document
+      * **p** - the log prefix is printed as it is in the root json document, it has to start with comma (**,**) and be a valid set of json fields
+      * **U** - CEE (Common Event Expression) schema format - https://cee.mitre.org/language/1.0-beta1/core-profile.html
 Example of JSON logs when running Kamailio with "**--log-engine=json:M**" :
@@ Line 3958: / Line 3962: @@
 { "idx": 1, "pid": 18239, "level": "DEBUG", "module": "core", "file": "core/socket_info.c", "line": 644, "function": "grep_sock_info", "logprefix": "{1 1 OPTIONS 715678756@192.168.188.20} ", "message": "checking if host==us: 9==9 && [127.0.0.1] == [127.0.0.1]" }
+</code>
+Example config for printing log message with **j** flag:
+<code>
+xinfo("{ \"src_ip\": \"$si\", \"method\": \"$rm\", \"text\": \"request received\" }");
+</code>
+Example config for printing log messages with **p** flag:
+<code>
+log_prefix=", \"src_ip\": \"$si\", \"tv\": $TV(Sn), \"mt\": $mt, \"ua\": \"$(ua{s.escape.common})\", \"cseq\": \"$hdr(CSeq)\""
 </code>

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