Add many metrics in table/ and rpc/

src/table/table.rs

@@ -1,6 +1,6 @@
 use std::collections::{BTreeMap, HashMap};
 use std::sync::Arc;
-use std::time::Duration;
+use std::time::{Duration, SystemTime};
 
 use async_trait::async_trait;
 use futures::stream::*;
@@ -81,6 +81,8 @@ where
 	}
 
 	pub async fn insert(&self, e: &F::E) -> Result<(), Error> {
+		let request_start = SystemTime::now();
+
 		let hash = e.partition_key().hash();
 		let who = self.data.replication.write_nodes(&hash);
 		//eprintln!("insert who: {:?}", who);
@@ -99,10 +101,18 @@ where
 					.with_timeout(TABLE_RPC_TIMEOUT),
 			)
 			.await?;
+
+		self.data.metrics.put_request_counter.add(1);
+		self.data
+			.metrics
+			.put_request_duration
+			.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()));
 		Ok(())
 	}
 
 	pub async fn insert_many(&self, entries: &[F::E]) -> Result<(), Error> {
+		let request_start = SystemTime::now();
+
 		let mut call_list: HashMap<_, Vec<_>> = HashMap::new();
 
 		for entry in entries.iter() {
@@ -140,6 +150,12 @@ where
 		if errors.len() > self.data.replication.max_write_errors() {
 			Err(Error::Message("Too many errors".into()))
 		} else {
+			self.data.metrics.put_request_counter.add(1);
+			self.data
+				.metrics
+				.put_request_duration
+				.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()));
+
 			Ok(())
 		}
 	}
@@ -149,6 +165,8 @@ where
 		partition_key: &F::P,
 		sort_key: &F::S,
 	) -> Result<Option<F::E>, Error> {
+		let request_start = SystemTime::now();
+
 		let hash = partition_key.hash();
 		let who = self.data.replication.read_nodes(&hash);
 		//eprintln!("get who: {:?}", who);
@@ -198,6 +216,12 @@ where
 					.spawn_cancellable(async move { self2.repair_on_read(&who[..], ent2).await });
 			}
 		}
+
+		self.data.metrics.get_request_counter.add(1);
+		self.data
+			.metrics
+			.get_request_duration
+			.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()));
 		Ok(ret)
 	}
 
@@ -208,6 +232,8 @@ where
 		filter: Option<F::Filter>,
 		limit: usize,
 	) -> Result<Vec<F::E>, Error> {
+		let request_start = SystemTime::now();
+
 		let hash = partition_key.hash();
 		let who = self.data.replication.read_nodes(&hash);
 
@@ -265,6 +291,12 @@ where
 			.take(limit)
 			.map(|(_k, v)| v.take().unwrap())
 			.collect::<Vec<_>>();
+
+		self.data.metrics.get_request_counter.add(1);
+		self.data
+			.metrics
+			.get_request_duration
+			.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()));
 		Ok(ret_vec)
 	}