Gelf event handler

Makefile.am

@@ -364,6 +364,16 @@ conf_DATA += conf/janus.eventhandler.nanomsgevh.jcfg.sample
 EXTRA_DIST += conf/janus.eventhandler.nanomsgevh.jcfg.sample
 endif
 
+if ENABLE_GELFEVH
+event_LTLIBRARIES += events/libjanus_gelfevh.la
+events_libjanus_gelfevh_la_SOURCES = events/janus_gelfevh.c
+events_libjanus_gelfevh_la_CFLAGS = $(events_cflags)
+events_libjanus_gelfevh_la_LDFLAGS = $(events_ldflags)
+events_libjanus_gelfevh_la_LIBADD = $(events_libadd)
+conf_DATA += conf/janus.eventhandler.gelfevh.jcfg.sample
+EXTRA_DIST += conf/janus.eventhandler.gelfevh.jcfg.sample
+endif
+
 ##
 # Loggers
 ##

conf/janus.eventhandler.gelfevh.jcfg.sample

@@ -0,0 +1,21 @@
+# This configures the GELF event handler. Appending necessary headers 
+# and sending messages via TCP or UDP
+
+general: {
+	enabled = false						# By default the module is not enabled
+	events = "all"
+								        # Comma separated list of the events mask you're interested
+								        # in. Valid values are none, sessions, handles, jsep, webrtc,
+								        # media, plugins, transports, core, external and all. By
+								        # default we subscribe to everything (all)
+
+	backend = "your.gralog.server"
+	port = "12201"
+	protocol = "tcp"			    	# tcp or udp transport type
+	max_message_len = 1024				# Note that we add 12 bytes of headers + standard UDP headers (8 bytes) 
+								        # when calculating packet size based on MTU   
+
+	#compress = true					# Optionally, only for UDP transport, JSON messages can be compressed using zlib
+	#compression = 9					# In case, you can specify the compression factor, where 1 is
+								        # the fastest (low compression), and 9 gives the best compression
+}

configure.ac

@@ -208,6 +208,8 @@ AC_ARG_ENABLE([all-handlers],
                      [enable_mqtt_event_handler=no])
                AS_IF([test "x$enable_nanomsg_event_handler" != "xyes"],
                      [enable_nanomsg_event_handler=no])
+               AS_IF([test "x$enable_gelf_event_handler" != "xyes"],
+                     [enable_gelf_event_handler=no])
               ],
               [])
 
@@ -308,6 +310,13 @@ AC_ARG_ENABLE([nanomsg-event-handler],
                      [enable_nanomsg_event_handler=no])],
               [enable_nanomsg_event_handler=maybe])
 
+AC_ARG_ENABLE([gelf-event-handler],
+              [AS_HELP_STRING([--disable-gelf-event-handler],
+                              [Disable gelf event handler ])],
+              [AS_IF([test "x$enable_gelf_event_handler" != "xyes"],
+                     [enable_gelf_event_handler=no])],
+              [enable_gelf_event_handler=maybe])
+
 AC_ARG_ENABLE([json-logger],
               [AS_HELP_STRING([--enable-json-logger],
                               [Enable external JSON file logger ])],
@@ -621,6 +630,7 @@ AM_CONDITIONAL([ENABLE_MQTT], [test "x$enable_mqtt" = "xyes"])
 AM_CONDITIONAL([ENABLE_MQTTEVH], [test "x$enable_mqtt_event_handler" = "xyes"])
 AM_CONDITIONAL([ENABLE_NANOMSG], [test "x$enable_nanomsg" = "xyes"])
 AM_CONDITIONAL([ENABLE_NANOMSGEVH], [test "x$enable_nanomsg_event_handler" = "xyes"])
+AM_CONDITIONAL([ENABLE_GELFEVH], [test "x$enable_gelf_event_handler" = "xyes"])
 
 AM_CONDITIONAL([ENABLE_JSONLOGGER], [test "x$enable_json_logger" = "xyes"])
 
@@ -1040,6 +1050,9 @@ AM_COND_IF([ENABLE_MQTTEVH],
 AM_COND_IF([ENABLE_NANOMSGEVH],
 	[echo "    Nanomsg event handler: yes"],
 	[echo "    Nanomsg event handler: no"])
+AM_COND_IF([ENABLE_GELFEVH],
+	[echo "    GELF event handler:    yes"],
+	[echo "    GELF event handler:    no"])
 echo "External loggers:"
 AM_COND_IF([ENABLE_JSONLOGGER],
 	[echo "    JSON file logger:      yes"],