From a37d6d48df3f9630adb5abbeaa8a3febd950f71b Mon Sep 17 00:00:00 2001
From: Wu Sheng <wu.sheng@foxmail.com>
Date: Thu, 16 Aug 2018 16:24:47 +0800
Subject: [PATCH] Add ping service.

---
 common/common.proto         |  9 +++++++++
 register/InstancePing.proto | 35 +++++++++++++++++++++++++++++++++++
 register/Register.proto     |  5 +++--
 3 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100644 register/InstancePing.proto

diff --git a/common/common.proto b/common/common.proto
index 5135091..71d39f6 100644
--- a/common/common.proto
+++ b/common/common.proto
@@ -40,3 +40,12 @@ enum DetectPoint {
     server = 1;
     proxy = 2;
 }
+
+meesage Commands {
+    repeated Command commands = 1;
+}
+
+message Command {
+    string command = 1;
+    repeated KeyStringValuePair args = 2;
+}
diff --git a/register/InstancePing.proto b/register/InstancePing.proto
new file mode 100644
index 0000000..9d9069b
--- /dev/null
+++ b/register/InstancePing.proto
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+syntax = "proto3";
+
+option java_multiple_files = true;
+option java_package = "org.apache.skywalking.apm.network.register";
+option csharp_namespace = "SkyWalking.NetworkProtocol";
+
+import "common/common.proto";
+
+service ServiceInstancePing {
+    rpc doPing (ServiceInstancePingPkg) returns (Commands) {
+    }
+}
+
+message ServiceInstancePingPkg {
+    int32 serviceInstanceId = 1;
+    int64 time = 2;
+}
diff --git a/register/Register.proto b/register/Register.proto
index 76d598c..24c83d1 100644
--- a/register/Register.proto
+++ b/register/Register.proto
@@ -62,8 +62,9 @@ message ServiceInstances {
 message ServiceInstance {
     int32 serviceId = 1;
     string instanceUUID = 2;
-    repeated KeyStringValuePair tags = 3;
-    repeated KeyStringValuePair properties = 4;
+    int64 time = 3;
+    repeated KeyStringValuePair tags = 4;
+    repeated KeyStringValuePair properties = 5;
 }
 
 message ServiceInstanceRegisterMapping {
-- 
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