+ The value of this variable depends on the Route Manager in
+ use.
+
+ When the Route Manager is expecting to connect to an xAPP
+ and push route tables, this variable must indicate the
+ port which RMR should use to listen for these connections.
+
+ When the Route Manager is expecting RMR to connect and
+ request a table update during initialisation, the variable
+ should be the host of the Route Manager process.
+
+ The RMR_CTL_PORT variable (added with the support of
+ sending table update requests to Route manager), controls
+ the behaviour if this variable is not set. See the
+ description of that variable for details.
+
+
+RMR_HR_LOG
+
+ By default RMR writes messages to standard error
+ (incorrectly referred to as log messages) in human
+ readable format. If this environment variable is set to 0,
+ the format of standard error messages might be written in
+ some format not easily read by humans. If missing, a value
+ of 1 is assumed.
+
+
+RMR_LOG_VLEVEL
+
+ This is a numeric value which corresponds to the verbosity
+ level used to limit messages written to standard error.
+ The lower the number the less chatty RMR functions are
+ during execution. The following is the current
+ relationship between the value set on this variable and
+ the messages written:
+
+
+0
+
+ Off; no messages of any sort are written.
+
+
+1
+
+ Only critical messages are written (default if this
+ variable does not exist)
+
+
+2
+
+ Errors and all messages written with a lower value.
+
+
+3
+
+ Warnings and all messages written with a lower value.
+
+
+4
+
+ Informational and all messages written with a lower
+ value.
+
+
+5
+
+ Debugging mode -- all messages written, however this
+ requires RMR to have been compiled with debugging
+ support enabled.
+
+
+
+RMR_RTG_ISRAW
+
+ **Deprecated.** Should be set to 1 if the route table
+ generator is sending "plain" messages (not using RMR to
+ send messages, 0 if the rtg is using RMR to send. The
+ default is 1 as we don't expect the rtg to use RMR.
+
+ This variable is only recognised when using the NNG
+ transport library as it is not possible to support NNG
+ "raw" communications with other transport libraries. It is
+ also necessary to match the value of this variable with
+ the capabilities of the Route Manager; at some point in
+ the future RMR will assume that all Route Manager messages
+ will arrive via an RMR connection and will ignore this
+ variable.
+
+RMR_SEED_RT
+
+ This is used to supply a static route table which can be
+ used for debugging, testing, or if no route table
+ generator process is being used to supply the route table.
+ If not defined, no static table is used and RMR will not
+ report *ready* until a table is received. The static route
+ table may contain both the route table (between newrt
+ start and end records), and the MEID map (between meid_map
+ start and end records)
+
+RMR_SRC_ID
+
+ This is either the name or IP address which is placed into
+ outbound messages as the message source. This will used
+ when an RMR based application uses the rmr_rts_msg()
+ function to return a response to the sender. If not
+ supplied RMR will use the hostname which in some container
+ environments might not be routable.
+
+ The value of this variable is also used for Route Manager
+ messages which are sent via an RMR connection.
+
+RMR_VCTL_FILE
+
+ This supplies the name of a verbosity control file. The
+ core RMR functions do not produce messages unless there is
+ a critical failure. However, the route table collection
+ thread, not a part of the main message processing
+ component, can write additional messages to standard
+ error. If this variable is set, RMR will extract the
+ verbosity level for these messages (0 is silent) from the
+ first line of the file. Changes to the file are detected
+ and thus the level can be changed dynamically, however RMR
+ will only suss out this variable during initialisation, so
+ it is impossible to enable verbosity after startup.
+
+RMR_WARNINGS
+
+ If set to 1, RMR will write some warnings which are
+ non-performance impacting. If the variable is not defined,
+ or set to 0, RMR will not write these additional warnings.