Add voting metrics and -h/--help to get usage for client.sh script

multinode-demo/client.sh

@@ -1,12 +1,12 @@
 #!/bin/bash -e
 #
-# usage: $0 [leader_url] [num_nodes] [--loop] [extra args]
-#
-# leader_url       URL to the leader (defaults to ..)
-# num_nodes        Minimum number of nodes to look for while converging
-# --loop           Add this flag to cause the program to loop infinitely
-# "extra args"     Any additional arguments are pass along to solana-bench-tps
-#
+USAGE=" usage: $0 [leader_url] [num_nodes] [--loop] [extra args]
+
+ leader_url       URL to the leader (defaults to ..)
+ num_nodes        Minimum number of nodes to look for while converging
+ --loop           Add this flag to cause the program to loop infinitely
+ \"extra args\"     Any additional arguments are pass along to solana-bench-tps
+"
 
 here=$(dirname "$0")
 # shellcheck source=multinode-demo/common.sh
@@ -14,6 +14,10 @@ source "$here"/common.sh
 
 leader=$1
 if [[ -n $leader ]]; then
+  if [[ $leader == "-h" || $leader == "--help" ]]; then
+    echo "$USAGE"
+    exit 0
+  fi
   shift
 else
   if [[ -d "$SNAP" ]]; then

src/vote_stage.rs

@@ -76,6 +76,16 @@ fn get_last_id_to_vote_on(
         super_majority_index,
     );
 
+    metrics::submit(
+        influxdb::Point::new("vote_stage-peer_count")
+            .add_field("total_peers", influxdb::Value::Integer(ids.len() as i64))
+            .add_field(
+                "valid_peers",
+                influxdb::Value::Integer(valid_ids.len() as i64),
+            )
+            .to_owned(),
+    );
+
     if valid_ids.len() > super_majority_index {
         *last_vote = now;