Merge "Issue: ----- if the first partition is empty, There is no furt…

…her partitions are getting processed. Fix: ---- look if the parttion is empty walk through the parttions to get the first location of the entry and proceed further." into R3.0

src/vnsw/agent/pkt/pkt_sandesh_flow.cc

@@ -297,6 +297,12 @@ bool PktSandeshFlow::Run() {
         return true;
     }
 
+    while (it == flow_obj->flow_entry_map_.end() &&
+          ++partition_id_ < agent_->flow_thread_count()) {
+         flow_obj = agent_->pkt()->flow_table(partition_id_);
+         it =  flow_obj->flow_entry_map_.begin();
+    }
+
     while (it != flow_obj->flow_entry_map_.end()) {
         FlowEntry *fe = it->second;
         FlowStatsCollector *fec = fe->fsc();
@@ -505,6 +511,12 @@ bool PktSandeshFlowStats::Run() {
          return true;
     }
 
+    while (it == flow_obj->flow_entry_map_.end() &&
+          ++partition_id_ < agent_->flow_thread_count()) {
+         flow_obj = agent_->pkt()->flow_table(partition_id_);
+         it =  flow_obj->flow_entry_map_.begin();
+    }
+
     while (it != flow_obj->flow_entry_map_.end()) {
         FlowEntry *fe = it->second;
         const FlowExportInfo *info = fsc->FindFlowExportInfo(fe);