bring back json ops (#2815)

1 files changed, 3 insertions, 24 deletions

diff --git a/js/metrics.ts b/js/metrics.ts
index e93e9528c..48e3102e5 100644
--- a/js/metrics.ts
+++ b/js/metrics.ts
@@ -1,6 +1,6 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-import { assert } from "./util";
-import { sendSync, msg, flatbuffers } from "./dispatch_flatbuffers";
+import * as dispatch from "./dispatch";
+import { sendSync } from "./dispatch_json";
 
 export interface Metrics {
   opsDispatched: number;
@@ -10,27 +10,6 @@ export interface Metrics {
   bytesReceived: number;
 }
 
-function req(): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
-  const builder = flatbuffers.createBuilder();
-  const inner = msg.Metrics.createMetrics(builder);
-  return [builder, msg.Any.Metrics, inner];
-}
-
-function res(baseRes: null | msg.Base): Metrics {
-  assert(baseRes !== null);
-  assert(msg.Any.MetricsRes === baseRes!.innerType());
-  const res = new msg.MetricsRes();
-  assert(baseRes!.inner(res) !== null);
-
-  return {
-    opsDispatched: res.opsDispatched().toFloat64(),
-    opsCompleted: res.opsCompleted().toFloat64(),
-    bytesSentControl: res.bytesSentControl().toFloat64(),
-    bytesSentData: res.bytesSentData().toFloat64(),
-    bytesReceived: res.bytesReceived().toFloat64()
-  };
-}
-
 /** Receive metrics from the privileged side of Deno.
  *
  *      > console.table(Deno.metrics())
@@ -45,5 +24,5 @@ function res(baseRes: null | msg.Base): Metrics {
  *      └──────────────────┴────────┘
  */
 export function metrics(): Metrics {
-  return res(sendSync(...req()));
+  return sendSync(dispatch.OP_METRICS);
 }