Add additional env variable dump during init

[ric-plt/lib/rmr.git] / src / rmr / common / src / tools_static.c

diff --git a/src/rmr/common/src/tools_static.c b/src/rmr/common/src/tools_static.c
index b4245cd..df49dd8 100644 (file)
--- a/src/rmr/common/src/tools_static.c
+++ b/src/rmr/common/src/tools_static.c
@@ -29,6 +29,9 @@
 
                                        uta_link2       -- establish a nanomsg connection to a host
 
+                                       uta_dump_env -- dump the environment variables to stdout that are
+                                                               of importance to RMR.
+
        Author:         E. Scott Daniels
        Date:           30 November 2018
 */
@@ -88,9 +91,9 @@ static int uta_tokenise( char* buf, char** tokens, int max, char sep ) {
        Given a buffer of 'sep' separated tokens, and a list of things,
        return up to max tokens with any tokens that matched things in
        the list. Toks is the user supplied array of char* which we will
-       fill in (up to max) with pointers to tokens from buf.  This 
-       damages buf, so the caller must dup the string if it must be 
-       preserved for later, original, use.  The pointers returned in 
+       fill in (up to max) with pointers to tokens from buf.  This
+       damages buf, so the caller must dup the string if it must be
+       preserved for later, original, use.  The pointers returned in
        toks will reference portions of bufs.
 
        Returns the number of tokens referenced by toks.
@@ -102,7 +105,7 @@ static int uta_rmip_tokenise( char* buf, if_addrs_t* iplist, char** toks, int ma
        int i;
        int j;
 
-       
+
        all_toks = malloc( sizeof( char * ) * max );                                    // refernce to all tokens; we'll prune
        pcount = ntoks = uta_tokenise( buf, all_toks, max, sep );               // split them up
        j = 0;
@@ -284,7 +287,7 @@ static int uta_has_str( char const* buf, char const* str, char sep, int max ) {
        to the list so that we don't pick up entries from the rtable that are for other
        processes listening on different interfaces.
 
-       The ENV_BIN_IF environment variable may be either an IP address (v6 must be in 
+       The ENV_BIN_IF environment variable may be either an IP address (v6 must be in
        square braces), or an interface name (e.g. eth0).
 */
 if_addrs_t*  mk_ip_list( char* port ) {
@@ -460,4 +463,37 @@ static char* get_default_ip( if_addrs_t* iplist ) {
        return NULL;
 }
 
+/*
+       Write all environment variables that we consider to be important to stderr.
+*/
+static void uta_dump_env( ) {
+       char* token;
+       char* elist[] = {
+                       ENV_BIND_IF,
+                       ENV_RTG_PORT,
+                       ENV_RTG_ADDR,
+                       ENV_SEED_RT,
+                       ENV_SEED_MEMAP,
+                       ENV_RTG_RAW,
+                       ENV_VERBOSE_FILE,
+                       ENV_NAME_ONLY,
+                       ENV_WARNINGS,
+                       ENV_SRC_ID,
+                       ENV_LOG_HR,
+                       ENV_LOG_VLEVEL,
+                       ENV_CTL_PORT,
+                       ENV_RTREQ_FREA
+       };
+       int i;
+
+       for( i = 0; i < sizeof( elist ) / sizeof( char *); i ++ ) {
+               token = getenv( elist[i] );
+               if( token != NULL ) {
+                       rmr_vlog( RMR_VL_INFO, "dump_env: %s = '%s'\n", elist[i], token );
+               } else {
+                       rmr_vlog( RMR_VL_INFO, "dump_env: %s = <unset>\n", elist[i] );
+               }
+       }
+}
+
 #endif