Pass cancel and getPeer to underlying call

packages/grpc-native-core/src/client_interceptors.js

@@ -707,22 +707,22 @@ function _getUnaryInterceptor(method_definition, channel, emitter, callback) {
   return function (options) {
     var call = common.getCall(channel, method_definition.path, options);
     var first_listener;
-    return new InterceptingCall(null, {
+    var final_requester = {};
-      start: function (metadata, listener) {
+    final_requester.start = function (metadata, listener) {
       var batch = {
         [grpc.opType.SEND_INITIAL_METADATA]:
           metadata._getCoreRepresentation(),
       };
       first_listener = listener;
-        call.startBatch(batch, function () {});
+      call.startBatch(batch, function () { });
-      },
+    };
-      sendMessage: function(message) {
+    final_requester.sendMessage = function (message) {
       var batch = {
         [grpc.opType.SEND_MESSAGE]: serialize(message),
       };
-        call.startBatch(batch, function () {});
+      call.startBatch(batch, function () { });
-      },
+    };
-      halfClose: function() {
+    final_requester.halfClose = function () {
       var batch = {
         [grpc.opType.SEND_CLOSE_FROM_CLIENT]: true,
         [grpc.opType.RECV_INITIAL_METADATA]: true,
@@ -758,8 +758,14 @@ function _getUnaryInterceptor(method_definition, channel, emitter, callback) {
         first_listener.onReceiveMessage(deserialized);
         first_listener.onReceiveStatus(status);
       });
-      }
+    };
-    });
+    final_requester.cancel = function () {
+      call.cancel();
+    };
+    final_requester.getPeer = function () {
+      return call.getPeer();
+    };
+    return new InterceptingCall(null, final_requester);
   };
 }
 
@@ -865,6 +871,12 @@ function _getClientStreamingInterceptor(method_definition, channel, emitter,
       };
       call.startBatch(batch, function () { });
     };
+    final_requester.cancel = function () {
+      call.cancel();
+    };
+    final_requester.getPeer = function() {
+      return call.getPeer();
+    };
     return new InterceptingCall(null, final_requester);
   };
 }
@@ -944,6 +956,12 @@ function _getServerStreamingInterceptor(method_definition, channel, emitter) {
       call.startBatch(recv_batch, _getStreamReadCallback(emitter, call,
         first_listener, deserialize));
     };
+    final_requester.cancel = function() {
+      call.cancel();
+    };
+    final_requester.getPeer = function() {
+      return call.getPeer();
+    };
     return new InterceptingCall(null, final_requester);
   };
 }
@@ -1041,6 +1059,12 @@ function _getBidiStreamingInterceptor(method_definition, channel, emitter) {
       call.startBatch(recv_batch, _getStreamReadCallback(emitter, call,
         first_listener, deserialize));
     };
+    final_requester.cancel = function() {
+      call.cancel();
+    };
+    final_requester.getPeer = function() {
+      return call.getPeer();
+    };
     return new InterceptingCall(null, final_requester);
   };
 }

packages/grpc-native-core/src/common.js

@@ -289,6 +289,12 @@ exports.getCall = function(channel, path, options) {
  * @param {function} next Calls the next interceptor.
  */
 
+/**
+ * @function GetPeerRequester
+ * @param {function} next Calls the next interceptor.
+ * @return {string}
+ */
+
 /**
  * @typedef {object} grpc~Requester
  * @param {MetadataRequester=} start A function triggered when the call begins.
@@ -298,6 +304,8 @@ exports.getCall = function(channel, path, options) {
  *     closes the call.
  * @param {CancelRequester=} cancel A function triggered when the call is
  *     cancelled.
+ * @param {GetPeerRequester=} getPeer A function triggered when the endpoint is
+ *     requested.
  */
 
 /**