Module: sip-router Branch: master Commit: f6673e2930b6c4e28af60f8ed4c2ea233c944ab4 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=f6673e29...
Author: Ovidiu Sas osas@voipembedded.com Committer: Ovidiu Sas osas@voipembedded.com Date: Wed Sep 29 11:11:36 2010 -0400
utils/kamctl: new lcr function: eval_weights
- evaluates the probability of a GW being selected based on given weigths
---
utils/kamctl/kamctl | 32 ++++++++++++++++++++++++++++++-- utils/kamctl/kamctl.base | 1 + 2 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/utils/kamctl/kamctl b/utils/kamctl/kamctl index be65363..48db7dd 100755 --- a/utils/kamctl/kamctl +++ b/utils/kamctl/kamctl @@ -1114,15 +1114,15 @@ trusted() { ### LCR management # lcr() { - require_dbengine - require_ctlengine case $1 in show_gws) + require_dbengine mecho "lcr gateways" QUERY="select * FROM $GW_TABLE ORDER BY $LCR_ID_COLUMN, $LCR_GW_GRPID_COLUMN; " $DBROCMD "$QUERY" ;; show_routes) + require_dbengine mecho "lcr routes" QUERY="select * FROM $LCR_TABLE ORDER BY $LCR_ID_COLUMN, $LCR_PREFIX_COLUMN; " $DBROCMD "$QUERY" @@ -1136,6 +1136,34 @@ lcr() { dump_routes) $RPCCMD lcr.dump_lcrs ;; + eval_weights) + shift + $AWK 'BEGIN { + if (ARGC < 2) { + printf("Usage: lcr eval_weights <list of weights (integers 1-254)>\n"); + exit; + } + iters = 100000; + for (i = 1; i < ARGC; i++) { counts[i] = 0; } + for (i = 1; i <= iters; i++) { + for (j = 1; j < ARGC; j++) { + elem[j] = ARGV[j] * rshift(int(2147483647 * rand()), 8); + } + at = 1; + max = elem[at]; + for (j = 2; j < ARGC; j++) { + if (elem[j] > max) { + max = elem[j]; + at = j; + } + } + counts[at] = counts[at] + 1; + } + for (i = 1; i < ARGC; i++) { + printf("weight %d probability %.4f\n", ARGV[i], counts[i]/iters); + } + }' $@ + ;; *) usage_lcr exit 1 diff --git a/utils/kamctl/kamctl.base b/utils/kamctl/kamctl.base index 1949711..11c398d 100644 --- a/utils/kamctl/kamctl.base +++ b/utils/kamctl/kamctl.base @@ -354,6 +354,7 @@ cat <<EOF lcr dump_gws....... show in memory gateways lcr dump_routes.... show in memory routes lcr reload ........ reload lcr gateways and routes + lcr eval_weights .. evaluates probability for given GW's weights EOF } USAGE_FUNCTIONS="$USAGE_FUNCTIONS usage_lcr"
-
Ovidiu Sas