[tor-commits] [tor/master] Add a rate-limiter for the other circuitID exhaustion warning

[nickm at torproject.org]

commit 985deaaaf7b7397857e02206e89392e0ee101077
Author: Nick Mathewson <nickm at torproject.org>
Date:   Fri Apr 18 13:22:42 2014 -0400

    Add a rate-limiter for the other circuitID exhaustion warning
---
 src/or/circuitbuild.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 1b3c599..7b852ff 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -596,7 +596,9 @@ circuit_deliver_create_cell(circuit_t *circ, const create_cell_t *create_cell,
 
   id = get_unique_circ_id_by_chan(circ->n_chan);
   if (!id) {
-    log_warn(LD_CIRC,"failed to get unique circID.");
+    static ratelim_t circid_warning_limit = RATELIM_INIT(9600);
+    log_fn_ratelim(&circid_warning_limit, LOG_WARN, LD_CIRC,
+                   "failed to get unique circID.");
     return -1;
   }
   log_debug(LD_CIRC,"Chosen circID %u.", (unsigned)id);