Changeset 4572 for pjproject/trunk/pjsip/src/pjsip-simple/evsub.c

Timestamp:

Jul 22, 2013 9:17:30 AM (11 years ago)

Author:

nanang

Message:

Misc (re #1630): Add randomizing interval for subscription refresh.

File:

• pjproject/trunk/pjsip/src/pjsip-simple/evsub.c (modified) (2 diffs)

pjproject/trunk/pjsip/src/pjsip-simple/evsub.c

@@ -33 +33 @@
 #include <pj/os.h>
 #include <pj/pool.h>
+#include <pj/rand.h>
 #include <pj/string.h>
 
@@ -1750 +1751 @@
                     sub->expires->ivalue - TIME_UAC_REFRESH : sub->expires->ivalue;
 
+                /* Reduce timeout by about 1 - 10 secs (randomized) */
+                if (timeout > 10)
+                    timeout += -10 + (pj_rand() % 10);
+
                 PJ_LOG(5,(sub->obj_name, "Will refresh in %d seconds", 
                           timeout));