diff --git a/src/csharp/Grpc.HealthCheck.Tests/.gitignore b/src/csharp/Grpc.HealthCheck.Tests/.gitignore
new file mode 100644
index 00000000000..1746e3269ed
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/.gitignore
@@ -0,0 +1,2 @@
+bin
+obj
diff --git a/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj b/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
new file mode 100644
index 00000000000..61bd70cf7bb
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj
@@ -0,0 +1,79 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}
+ Library
+ Properties
+ Grpc.HealthCheck.Tests
+ Grpc.HealthCheck.Tests
+ v4.5
+ 512
+
+
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+ ..\packages\Google.ProtocolBuffers.2.4.1.555\lib\net40\Google.ProtocolBuffers.dll
+
+
+ ..\packages\Google.ProtocolBuffers.2.4.1.555\lib\net40\Google.ProtocolBuffers.Serialization.dll
+
+
+ ..\packages\NUnit.2.6.4\lib\nunit.framework.dll
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ {ccc4440e-49f7-4790-b0af-feabb0837ae7}
+ Grpc.Core
+
+
+ {aa5e328a-8835-49d7-98ed-c29f2b3049f0}
+ Grpc.HealthCheck
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
new file mode 100644
index 00000000000..0ac1add8e42
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
@@ -0,0 +1,97 @@
+#region Copyright notice and license
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Grpc.Core;
+using Grpc.Health.V1Alpha;
+using NUnit.Framework;
+
+namespace Grpc.HealthCheck.Tests
+{
+ ///
+ /// Health client talks to health server.
+ ///
+ public class HealthClientServerTest
+ {
+ const string Host = "localhost";
+ Server server;
+ Channel channel;
+ Grpc.Health.V1Alpha.Health.IHealthClient client;
+ Grpc.HealthCheck.HealthServiceImpl serviceImpl;
+
+ [TestFixtureSetUp]
+ public void Init()
+ {
+ serviceImpl = new HealthServiceImpl();
+
+ server = new Server();
+ server.AddServiceDefinition(Grpc.Health.V1Alpha.Health.BindService(serviceImpl));
+ int port = server.AddListeningPort(Host, Server.PickUnusedPort);
+ server.Start();
+ channel = new Channel(Host, port);
+
+ client = Grpc.Health.V1Alpha.Health.NewStub(channel);
+ }
+
+ [TestFixtureTearDown]
+ public void Cleanup()
+ {
+ channel.Dispose();
+
+ server.ShutdownAsync().Wait();
+ GrpcEnvironment.Shutdown();
+ }
+
+ [Test]
+ public void ServiceIsRunning()
+ {
+ serviceImpl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
+
+ var response = client.Check(HealthCheckRequest.CreateBuilder().SetHost("").SetService("").Build());
+ Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, response.Status);
+ }
+
+ [Test]
+ public void ServiceDoesntExist()
+ {
+ // TODO(jtattermusch): currently, this returns wrong status code, because we don't enable sending arbitrary status code from
+ // server handlers yet.
+ Assert.Throws(typeof(RpcException), () => client.Check(HealthCheckRequest.CreateBuilder().SetHost("").SetService("nonexistent.service").Build()));
+ }
+
+ // TODO(jtattermusch): add test with timeout once timeouts are supported
+ }
+}
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
new file mode 100644
index 00000000000..9b7c4f21406
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthServiceImplTest.cs
@@ -0,0 +1,107 @@
+#region Copyright notice and license
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Grpc.Core;
+using Grpc.Health.V1Alpha;
+using NUnit.Framework;
+
+namespace Grpc.HealthCheck.Tests
+{
+ ///
+ /// Tests for HealthCheckServiceImpl
+ ///
+ public class HealthServiceImplTest
+ {
+ [Test]
+ public void SetStatus()
+ {
+ var impl = new HealthServiceImpl();
+ impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
+ Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, GetStatusHelper(impl, "", ""));
+
+ impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.NOT_SERVING);
+ Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.NOT_SERVING, GetStatusHelper(impl, "", ""));
+
+ impl.SetStatus("virtual-host", "", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
+ Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.UNKNOWN, GetStatusHelper(impl, "virtual-host", ""));
+
+ impl.SetStatus("virtual-host", "grpc.test.TestService", HealthCheckResponse.Types.ServingStatus.SERVING);
+ Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, GetStatusHelper(impl, "virtual-host", "grpc.test.TestService"));
+ }
+
+ [Test]
+ public void ClearStatus()
+ {
+ var impl = new HealthServiceImpl();
+ impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
+ impl.SetStatus("virtual-host", "", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
+
+ impl.ClearStatus("", "");
+
+ Assert.Throws(Is.TypeOf(typeof(RpcException)).And.Property("Status").Property("StatusCode").EqualTo(StatusCode.NotFound), () => GetStatusHelper(impl, "", ""));
+ Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.UNKNOWN, GetStatusHelper(impl, "virtual-host", ""));
+ }
+
+ [Test]
+ public void ClearAll()
+ {
+ var impl = new HealthServiceImpl();
+ impl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
+ impl.SetStatus("virtual-host", "", HealthCheckResponse.Types.ServingStatus.UNKNOWN);
+
+ impl.ClearAll();
+ Assert.Throws(typeof(RpcException), () => GetStatusHelper(impl, "", ""));
+ Assert.Throws(typeof(RpcException), () => GetStatusHelper(impl, "virtual-host", ""));
+ }
+
+ [Test]
+ public void NullsRejected()
+ {
+ var impl = new HealthServiceImpl();
+ Assert.Throws(typeof(NullReferenceException), () => impl.SetStatus(null, "", HealthCheckResponse.Types.ServingStatus.SERVING));
+ Assert.Throws(typeof(NullReferenceException), () => impl.SetStatus("", null, HealthCheckResponse.Types.ServingStatus.SERVING));
+
+ Assert.Throws(typeof(NullReferenceException), () => impl.ClearStatus(null, ""));
+ Assert.Throws(typeof(NullReferenceException), () => impl.ClearStatus("", null));
+ }
+
+ private static HealthCheckResponse.Types.ServingStatus GetStatusHelper(HealthServiceImpl impl, string host, string service)
+ {
+ return impl.Check(null, HealthCheckRequest.CreateBuilder().SetHost(host).SetService(service).Build()).Result.Status;
+ }
+ }
+}
diff --git a/src/csharp/Grpc.HealthCheck.Tests/Properties/AssemblyInfo.cs b/src/csharp/Grpc.HealthCheck.Tests/Properties/AssemblyInfo.cs
new file mode 100644
index 00000000000..3dfcd51198c
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/Properties/AssemblyInfo.cs
@@ -0,0 +1,12 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+[assembly: AssemblyTitle("Grpc.HealthCheck.Tests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("Google Inc. All rights reserved.")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: AssemblyVersion("0.6.*")]
diff --git a/src/csharp/Grpc.HealthCheck.Tests/packages.config b/src/csharp/Grpc.HealthCheck.Tests/packages.config
new file mode 100644
index 00000000000..050c4eaed67
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck.Tests/packages.config
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck/.gitignore b/src/csharp/Grpc.HealthCheck/.gitignore
new file mode 100644
index 00000000000..1746e3269ed
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/.gitignore
@@ -0,0 +1,2 @@
+bin
+obj
diff --git a/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj
new file mode 100644
index 00000000000..6d37b37deb0
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj
@@ -0,0 +1,74 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {AA5E328A-8835-49D7-98ED-C29F2B3049F0}
+ Library
+ Properties
+ Grpc.HealthCheck
+ Grpc.HealthCheck
+ v4.5
+ 512
+
+
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+ ..\packages\Google.ProtocolBuffers.2.4.1.555\lib\net40\Google.ProtocolBuffers.dll
+
+
+ ..\packages\Google.ProtocolBuffers.2.4.1.555\lib\net40\Google.ProtocolBuffers.Serialization.dll
+
+
+
+
+ ..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ {ccc4440e-49f7-4790-b0af-feabb0837ae7}
+ Grpc.Core
+
+
+
+
+
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.nuspec b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.nuspec
new file mode 100644
index 00000000000..c774133ab06
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.nuspec
@@ -0,0 +1,28 @@
+
+
+
+ Grpc.HealthCheck
+ gRPC C# Healthchecking
+ Implementation of gRPC health service
+ Example implementation of grpc.health.v1alpha service that can be used for health-checking.
+ 0.6.0
+ Google Inc.
+ grpc-packages
+ https://github.com/grpc/grpc/blob/master/LICENSE
+ https://github.com/grpc/grpc
+ false
+ Copyright 2015, Google Inc.
+ gRPC health check
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/src/csharp/Grpc.HealthCheck/Health.cs b/src/csharp/Grpc.HealthCheck/Health.cs
new file mode 100644
index 00000000000..361382d4bd6
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/Health.cs
@@ -0,0 +1,687 @@
+// Generated by the protocol buffer compiler. DO NOT EDIT!
+// source: health.proto
+#pragma warning disable 1591, 0612, 3021
+#region Designer generated code
+
+using pb = global::Google.ProtocolBuffers;
+using pbc = global::Google.ProtocolBuffers.Collections;
+using pbd = global::Google.ProtocolBuffers.Descriptors;
+using scg = global::System.Collections.Generic;
+namespace Grpc.Health.V1Alpha {
+
+ namespace Proto {
+
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ public static partial class Health {
+
+ #region Extension registration
+ public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {
+ }
+ #endregion
+ #region Static variables
+ internal static pbd::MessageDescriptor internal__static_grpc_health_v1alpha_HealthCheckRequest__Descriptor;
+ internal static pb::FieldAccess.FieldAccessorTable internal__static_grpc_health_v1alpha_HealthCheckRequest__FieldAccessorTable;
+ internal static pbd::MessageDescriptor internal__static_grpc_health_v1alpha_HealthCheckResponse__Descriptor;
+ internal static pb::FieldAccess.FieldAccessorTable internal__static_grpc_health_v1alpha_HealthCheckResponse__FieldAccessorTable;
+ #endregion
+ #region Descriptor
+ public static pbd::FileDescriptor Descriptor {
+ get { return descriptor; }
+ }
+ private static pbd::FileDescriptor descriptor;
+
+ static Health() {
+ byte[] descriptorData = global::System.Convert.FromBase64String(
+ string.Concat(
+ "CgxoZWFsdGgucHJvdG8SE2dycGMuaGVhbHRoLnYxYWxwaGEiMwoSSGVhbHRo",
+ "Q2hlY2tSZXF1ZXN0EgwKBGhvc3QYASABKAkSDwoHc2VydmljZRgCIAEoCSKZ",
+ "AQoTSGVhbHRoQ2hlY2tSZXNwb25zZRJGCgZzdGF0dXMYASABKA4yNi5ncnBj",
+ "LmhlYWx0aC52MWFscGhhLkhlYWx0aENoZWNrUmVzcG9uc2UuU2VydmluZ1N0",
+ "YXR1cyI6Cg1TZXJ2aW5nU3RhdHVzEgsKB1VOS05PV04QABILCgdTRVJWSU5H",
+ "EAESDwoLTk9UX1NFUlZJTkcQAjJkCgZIZWFsdGgSWgoFQ2hlY2sSJy5ncnBj",
+ "LmhlYWx0aC52MWFscGhhLkhlYWx0aENoZWNrUmVxdWVzdBooLmdycGMuaGVh",
+ "bHRoLnYxYWxwaGEuSGVhbHRoQ2hlY2tSZXNwb25zZUIWqgITR3JwYy5IZWFs",
+ "dGguVjFBbHBoYQ=="));
+ pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {
+ descriptor = root;
+ internal__static_grpc_health_v1alpha_HealthCheckRequest__Descriptor = Descriptor.MessageTypes[0];
+ internal__static_grpc_health_v1alpha_HealthCheckRequest__FieldAccessorTable =
+ new pb::FieldAccess.FieldAccessorTable(internal__static_grpc_health_v1alpha_HealthCheckRequest__Descriptor,
+ new string[] { "Host", "Service", });
+ internal__static_grpc_health_v1alpha_HealthCheckResponse__Descriptor = Descriptor.MessageTypes[1];
+ internal__static_grpc_health_v1alpha_HealthCheckResponse__FieldAccessorTable =
+ new pb::FieldAccess.FieldAccessorTable(internal__static_grpc_health_v1alpha_HealthCheckResponse__Descriptor,
+ new string[] { "Status", });
+ pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();
+ RegisterAllExtensions(registry);
+ return registry;
+ };
+ pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+ new pbd::FileDescriptor[] {
+ }, assigner);
+ }
+ #endregion
+
+ }
+ }
+ #region Messages
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ public sealed partial class HealthCheckRequest : pb::GeneratedMessage {
+ private HealthCheckRequest() { }
+ private static readonly HealthCheckRequest defaultInstance = new HealthCheckRequest().MakeReadOnly();
+ private static readonly string[] _healthCheckRequestFieldNames = new string[] { "host", "service" };
+ private static readonly uint[] _healthCheckRequestFieldTags = new uint[] { 10, 18 };
+ public static HealthCheckRequest DefaultInstance {
+ get { return defaultInstance; }
+ }
+
+ public override HealthCheckRequest DefaultInstanceForType {
+ get { return DefaultInstance; }
+ }
+
+ protected override HealthCheckRequest ThisMessage {
+ get { return this; }
+ }
+
+ public static pbd::MessageDescriptor Descriptor {
+ get { return global::Grpc.Health.V1Alpha.Proto.Health.internal__static_grpc_health_v1alpha_HealthCheckRequest__Descriptor; }
+ }
+
+ protected override pb::FieldAccess.FieldAccessorTable InternalFieldAccessors {
+ get { return global::Grpc.Health.V1Alpha.Proto.Health.internal__static_grpc_health_v1alpha_HealthCheckRequest__FieldAccessorTable; }
+ }
+
+ public const int HostFieldNumber = 1;
+ private bool hasHost;
+ private string host_ = "";
+ public bool HasHost {
+ get { return hasHost; }
+ }
+ public string Host {
+ get { return host_; }
+ }
+
+ public const int ServiceFieldNumber = 2;
+ private bool hasService;
+ private string service_ = "";
+ public bool HasService {
+ get { return hasService; }
+ }
+ public string Service {
+ get { return service_; }
+ }
+
+ public override bool IsInitialized {
+ get {
+ return true;
+ }
+ }
+
+ public override void WriteTo(pb::ICodedOutputStream output) {
+ CalcSerializedSize();
+ string[] field_names = _healthCheckRequestFieldNames;
+ if (hasHost) {
+ output.WriteString(1, field_names[0], Host);
+ }
+ if (hasService) {
+ output.WriteString(2, field_names[1], Service);
+ }
+ UnknownFields.WriteTo(output);
+ }
+
+ private int memoizedSerializedSize = -1;
+ public override int SerializedSize {
+ get {
+ int size = memoizedSerializedSize;
+ if (size != -1) return size;
+ return CalcSerializedSize();
+ }
+ }
+
+ private int CalcSerializedSize() {
+ int size = memoizedSerializedSize;
+ if (size != -1) return size;
+
+ size = 0;
+ if (hasHost) {
+ size += pb::CodedOutputStream.ComputeStringSize(1, Host);
+ }
+ if (hasService) {
+ size += pb::CodedOutputStream.ComputeStringSize(2, Service);
+ }
+ size += UnknownFields.SerializedSize;
+ memoizedSerializedSize = size;
+ return size;
+ }
+ public static HealthCheckRequest ParseFrom(pb::ByteString data) {
+ return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+ }
+ public static HealthCheckRequest ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+ }
+ public static HealthCheckRequest ParseFrom(byte[] data) {
+ return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+ }
+ public static HealthCheckRequest ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+ }
+ public static HealthCheckRequest ParseFrom(global::System.IO.Stream input) {
+ return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+ }
+ public static HealthCheckRequest ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+ }
+ public static HealthCheckRequest ParseDelimitedFrom(global::System.IO.Stream input) {
+ return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+ }
+ public static HealthCheckRequest ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+ return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+ }
+ public static HealthCheckRequest ParseFrom(pb::ICodedInputStream input) {
+ return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+ }
+ public static HealthCheckRequest ParseFrom(pb::ICodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+ }
+ private HealthCheckRequest MakeReadOnly() {
+ return this;
+ }
+
+ public static Builder CreateBuilder() { return new Builder(); }
+ public override Builder ToBuilder() { return CreateBuilder(this); }
+ public override Builder CreateBuilderForType() { return new Builder(); }
+ public static Builder CreateBuilder(HealthCheckRequest prototype) {
+ return new Builder(prototype);
+ }
+
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ public sealed partial class Builder : pb::GeneratedBuilder {
+ protected override Builder ThisBuilder {
+ get { return this; }
+ }
+ public Builder() {
+ result = DefaultInstance;
+ resultIsReadOnly = true;
+ }
+ internal Builder(HealthCheckRequest cloneFrom) {
+ result = cloneFrom;
+ resultIsReadOnly = true;
+ }
+
+ private bool resultIsReadOnly;
+ private HealthCheckRequest result;
+
+ private HealthCheckRequest PrepareBuilder() {
+ if (resultIsReadOnly) {
+ HealthCheckRequest original = result;
+ result = new HealthCheckRequest();
+ resultIsReadOnly = false;
+ MergeFrom(original);
+ }
+ return result;
+ }
+
+ public override bool IsInitialized {
+ get { return result.IsInitialized; }
+ }
+
+ protected override HealthCheckRequest MessageBeingBuilt {
+ get { return PrepareBuilder(); }
+ }
+
+ public override Builder Clear() {
+ result = DefaultInstance;
+ resultIsReadOnly = true;
+ return this;
+ }
+
+ public override Builder Clone() {
+ if (resultIsReadOnly) {
+ return new Builder(result);
+ } else {
+ return new Builder().MergeFrom(result);
+ }
+ }
+
+ public override pbd::MessageDescriptor DescriptorForType {
+ get { return global::Grpc.Health.V1Alpha.HealthCheckRequest.Descriptor; }
+ }
+
+ public override HealthCheckRequest DefaultInstanceForType {
+ get { return global::Grpc.Health.V1Alpha.HealthCheckRequest.DefaultInstance; }
+ }
+
+ public override HealthCheckRequest BuildPartial() {
+ if (resultIsReadOnly) {
+ return result;
+ }
+ resultIsReadOnly = true;
+ return result.MakeReadOnly();
+ }
+
+ public override Builder MergeFrom(pb::IMessage other) {
+ if (other is HealthCheckRequest) {
+ return MergeFrom((HealthCheckRequest) other);
+ } else {
+ base.MergeFrom(other);
+ return this;
+ }
+ }
+
+ public override Builder MergeFrom(HealthCheckRequest other) {
+ if (other == global::Grpc.Health.V1Alpha.HealthCheckRequest.DefaultInstance) return this;
+ PrepareBuilder();
+ if (other.HasHost) {
+ Host = other.Host;
+ }
+ if (other.HasService) {
+ Service = other.Service;
+ }
+ this.MergeUnknownFields(other.UnknownFields);
+ return this;
+ }
+
+ public override Builder MergeFrom(pb::ICodedInputStream input) {
+ return MergeFrom(input, pb::ExtensionRegistry.Empty);
+ }
+
+ public override Builder MergeFrom(pb::ICodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+ PrepareBuilder();
+ pb::UnknownFieldSet.Builder unknownFields = null;
+ uint tag;
+ string field_name;
+ while (input.ReadTag(out tag, out field_name)) {
+ if(tag == 0 && field_name != null) {
+ int field_ordinal = global::System.Array.BinarySearch(_healthCheckRequestFieldNames, field_name, global::System.StringComparer.Ordinal);
+ if(field_ordinal >= 0)
+ tag = _healthCheckRequestFieldTags[field_ordinal];
+ else {
+ if (unknownFields == null) {
+ unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+ }
+ ParseUnknownField(input, unknownFields, extensionRegistry, tag, field_name);
+ continue;
+ }
+ }
+ switch (tag) {
+ case 0: {
+ throw pb::InvalidProtocolBufferException.InvalidTag();
+ }
+ default: {
+ if (pb::WireFormat.IsEndGroupTag(tag)) {
+ if (unknownFields != null) {
+ this.UnknownFields = unknownFields.Build();
+ }
+ return this;
+ }
+ if (unknownFields == null) {
+ unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+ }
+ ParseUnknownField(input, unknownFields, extensionRegistry, tag, field_name);
+ break;
+ }
+ case 10: {
+ result.hasHost = input.ReadString(ref result.host_);
+ break;
+ }
+ case 18: {
+ result.hasService = input.ReadString(ref result.service_);
+ break;
+ }
+ }
+ }
+
+ if (unknownFields != null) {
+ this.UnknownFields = unknownFields.Build();
+ }
+ return this;
+ }
+
+
+ public bool HasHost {
+ get { return result.hasHost; }
+ }
+ public string Host {
+ get { return result.Host; }
+ set { SetHost(value); }
+ }
+ public Builder SetHost(string value) {
+ pb::ThrowHelper.ThrowIfNull(value, "value");
+ PrepareBuilder();
+ result.hasHost = true;
+ result.host_ = value;
+ return this;
+ }
+ public Builder ClearHost() {
+ PrepareBuilder();
+ result.hasHost = false;
+ result.host_ = "";
+ return this;
+ }
+
+ public bool HasService {
+ get { return result.hasService; }
+ }
+ public string Service {
+ get { return result.Service; }
+ set { SetService(value); }
+ }
+ public Builder SetService(string value) {
+ pb::ThrowHelper.ThrowIfNull(value, "value");
+ PrepareBuilder();
+ result.hasService = true;
+ result.service_ = value;
+ return this;
+ }
+ public Builder ClearService() {
+ PrepareBuilder();
+ result.hasService = false;
+ result.service_ = "";
+ return this;
+ }
+ }
+ static HealthCheckRequest() {
+ object.ReferenceEquals(global::Grpc.Health.V1Alpha.Proto.Health.Descriptor, null);
+ }
+ }
+
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ public sealed partial class HealthCheckResponse : pb::GeneratedMessage {
+ private HealthCheckResponse() { }
+ private static readonly HealthCheckResponse defaultInstance = new HealthCheckResponse().MakeReadOnly();
+ private static readonly string[] _healthCheckResponseFieldNames = new string[] { "status" };
+ private static readonly uint[] _healthCheckResponseFieldTags = new uint[] { 8 };
+ public static HealthCheckResponse DefaultInstance {
+ get { return defaultInstance; }
+ }
+
+ public override HealthCheckResponse DefaultInstanceForType {
+ get { return DefaultInstance; }
+ }
+
+ protected override HealthCheckResponse ThisMessage {
+ get { return this; }
+ }
+
+ public static pbd::MessageDescriptor Descriptor {
+ get { return global::Grpc.Health.V1Alpha.Proto.Health.internal__static_grpc_health_v1alpha_HealthCheckResponse__Descriptor; }
+ }
+
+ protected override pb::FieldAccess.FieldAccessorTable InternalFieldAccessors {
+ get { return global::Grpc.Health.V1Alpha.Proto.Health.internal__static_grpc_health_v1alpha_HealthCheckResponse__FieldAccessorTable; }
+ }
+
+ #region Nested types
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ public static partial class Types {
+ public enum ServingStatus {
+ UNKNOWN = 0,
+ SERVING = 1,
+ NOT_SERVING = 2,
+ }
+
+ }
+ #endregion
+
+ public const int StatusFieldNumber = 1;
+ private bool hasStatus;
+ private global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus status_ = global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus.UNKNOWN;
+ public bool HasStatus {
+ get { return hasStatus; }
+ }
+ public global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus Status {
+ get { return status_; }
+ }
+
+ public override bool IsInitialized {
+ get {
+ return true;
+ }
+ }
+
+ public override void WriteTo(pb::ICodedOutputStream output) {
+ CalcSerializedSize();
+ string[] field_names = _healthCheckResponseFieldNames;
+ if (hasStatus) {
+ output.WriteEnum(1, field_names[0], (int) Status, Status);
+ }
+ UnknownFields.WriteTo(output);
+ }
+
+ private int memoizedSerializedSize = -1;
+ public override int SerializedSize {
+ get {
+ int size = memoizedSerializedSize;
+ if (size != -1) return size;
+ return CalcSerializedSize();
+ }
+ }
+
+ private int CalcSerializedSize() {
+ int size = memoizedSerializedSize;
+ if (size != -1) return size;
+
+ size = 0;
+ if (hasStatus) {
+ size += pb::CodedOutputStream.ComputeEnumSize(1, (int) Status);
+ }
+ size += UnknownFields.SerializedSize;
+ memoizedSerializedSize = size;
+ return size;
+ }
+ public static HealthCheckResponse ParseFrom(pb::ByteString data) {
+ return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+ }
+ public static HealthCheckResponse ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+ }
+ public static HealthCheckResponse ParseFrom(byte[] data) {
+ return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+ }
+ public static HealthCheckResponse ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+ }
+ public static HealthCheckResponse ParseFrom(global::System.IO.Stream input) {
+ return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+ }
+ public static HealthCheckResponse ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+ }
+ public static HealthCheckResponse ParseDelimitedFrom(global::System.IO.Stream input) {
+ return CreateBuilder().MergeDelimitedFrom(input).BuildParsed();
+ }
+ public static HealthCheckResponse ParseDelimitedFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+ return CreateBuilder().MergeDelimitedFrom(input, extensionRegistry).BuildParsed();
+ }
+ public static HealthCheckResponse ParseFrom(pb::ICodedInputStream input) {
+ return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+ }
+ public static HealthCheckResponse ParseFrom(pb::ICodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+ return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+ }
+ private HealthCheckResponse MakeReadOnly() {
+ return this;
+ }
+
+ public static Builder CreateBuilder() { return new Builder(); }
+ public override Builder ToBuilder() { return CreateBuilder(this); }
+ public override Builder CreateBuilderForType() { return new Builder(); }
+ public static Builder CreateBuilder(HealthCheckResponse prototype) {
+ return new Builder(prototype);
+ }
+
+ [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+ public sealed partial class Builder : pb::GeneratedBuilder {
+ protected override Builder ThisBuilder {
+ get { return this; }
+ }
+ public Builder() {
+ result = DefaultInstance;
+ resultIsReadOnly = true;
+ }
+ internal Builder(HealthCheckResponse cloneFrom) {
+ result = cloneFrom;
+ resultIsReadOnly = true;
+ }
+
+ private bool resultIsReadOnly;
+ private HealthCheckResponse result;
+
+ private HealthCheckResponse PrepareBuilder() {
+ if (resultIsReadOnly) {
+ HealthCheckResponse original = result;
+ result = new HealthCheckResponse();
+ resultIsReadOnly = false;
+ MergeFrom(original);
+ }
+ return result;
+ }
+
+ public override bool IsInitialized {
+ get { return result.IsInitialized; }
+ }
+
+ protected override HealthCheckResponse MessageBeingBuilt {
+ get { return PrepareBuilder(); }
+ }
+
+ public override Builder Clear() {
+ result = DefaultInstance;
+ resultIsReadOnly = true;
+ return this;
+ }
+
+ public override Builder Clone() {
+ if (resultIsReadOnly) {
+ return new Builder(result);
+ } else {
+ return new Builder().MergeFrom(result);
+ }
+ }
+
+ public override pbd::MessageDescriptor DescriptorForType {
+ get { return global::Grpc.Health.V1Alpha.HealthCheckResponse.Descriptor; }
+ }
+
+ public override HealthCheckResponse DefaultInstanceForType {
+ get { return global::Grpc.Health.V1Alpha.HealthCheckResponse.DefaultInstance; }
+ }
+
+ public override HealthCheckResponse BuildPartial() {
+ if (resultIsReadOnly) {
+ return result;
+ }
+ resultIsReadOnly = true;
+ return result.MakeReadOnly();
+ }
+
+ public override Builder MergeFrom(pb::IMessage other) {
+ if (other is HealthCheckResponse) {
+ return MergeFrom((HealthCheckResponse) other);
+ } else {
+ base.MergeFrom(other);
+ return this;
+ }
+ }
+
+ public override Builder MergeFrom(HealthCheckResponse other) {
+ if (other == global::Grpc.Health.V1Alpha.HealthCheckResponse.DefaultInstance) return this;
+ PrepareBuilder();
+ if (other.HasStatus) {
+ Status = other.Status;
+ }
+ this.MergeUnknownFields(other.UnknownFields);
+ return this;
+ }
+
+ public override Builder MergeFrom(pb::ICodedInputStream input) {
+ return MergeFrom(input, pb::ExtensionRegistry.Empty);
+ }
+
+ public override Builder MergeFrom(pb::ICodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+ PrepareBuilder();
+ pb::UnknownFieldSet.Builder unknownFields = null;
+ uint tag;
+ string field_name;
+ while (input.ReadTag(out tag, out field_name)) {
+ if(tag == 0 && field_name != null) {
+ int field_ordinal = global::System.Array.BinarySearch(_healthCheckResponseFieldNames, field_name, global::System.StringComparer.Ordinal);
+ if(field_ordinal >= 0)
+ tag = _healthCheckResponseFieldTags[field_ordinal];
+ else {
+ if (unknownFields == null) {
+ unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+ }
+ ParseUnknownField(input, unknownFields, extensionRegistry, tag, field_name);
+ continue;
+ }
+ }
+ switch (tag) {
+ case 0: {
+ throw pb::InvalidProtocolBufferException.InvalidTag();
+ }
+ default: {
+ if (pb::WireFormat.IsEndGroupTag(tag)) {
+ if (unknownFields != null) {
+ this.UnknownFields = unknownFields.Build();
+ }
+ return this;
+ }
+ if (unknownFields == null) {
+ unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+ }
+ ParseUnknownField(input, unknownFields, extensionRegistry, tag, field_name);
+ break;
+ }
+ case 8: {
+ object unknown;
+ if(input.ReadEnum(ref result.status_, out unknown)) {
+ result.hasStatus = true;
+ } else if(unknown is int) {
+ if (unknownFields == null) {
+ unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+ }
+ unknownFields.MergeVarintField(1, (ulong)(int)unknown);
+ }
+ break;
+ }
+ }
+ }
+
+ if (unknownFields != null) {
+ this.UnknownFields = unknownFields.Build();
+ }
+ return this;
+ }
+
+
+ public bool HasStatus {
+ get { return result.hasStatus; }
+ }
+ public global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus Status {
+ get { return result.Status; }
+ set { SetStatus(value); }
+ }
+ public Builder SetStatus(global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus value) {
+ PrepareBuilder();
+ result.hasStatus = true;
+ result.status_ = value;
+ return this;
+ }
+ public Builder ClearStatus() {
+ PrepareBuilder();
+ result.hasStatus = false;
+ result.status_ = global::Grpc.Health.V1Alpha.HealthCheckResponse.Types.ServingStatus.UNKNOWN;
+ return this;
+ }
+ }
+ static HealthCheckResponse() {
+ object.ReferenceEquals(global::Grpc.Health.V1Alpha.Proto.Health.Descriptor, null);
+ }
+ }
+
+ #endregion
+
+}
+
+#endregion Designer generated code
diff --git a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
new file mode 100644
index 00000000000..ed9fc4ed774
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
@@ -0,0 +1,78 @@
+// Generated by the protocol buffer compiler. DO NOT EDIT!
+// source: health.proto
+#region Designer generated code
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+
+namespace Grpc.Health.V1Alpha {
+ public static class Health
+ {
+ static readonly string __ServiceName = "grpc.health.v1alpha.Health";
+
+ static readonly Marshaller __Marshaller_HealthCheckRequest = Marshallers.Create((arg) => arg.ToByteArray(), global::Grpc.Health.V1Alpha.HealthCheckRequest.ParseFrom);
+ static readonly Marshaller __Marshaller_HealthCheckResponse = Marshallers.Create((arg) => arg.ToByteArray(), global::Grpc.Health.V1Alpha.HealthCheckResponse.ParseFrom);
+
+ static readonly Method __Method_Check = new Method(
+ MethodType.Unary,
+ "Check",
+ __Marshaller_HealthCheckRequest,
+ __Marshaller_HealthCheckResponse);
+
+ // client-side stub interface
+ public interface IHealthClient
+ {
+ global::Grpc.Health.V1Alpha.HealthCheckResponse Check(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CancellationToken token = default(CancellationToken));
+ Task CheckAsync(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CancellationToken token = default(CancellationToken));
+ }
+
+ // server-side interface
+ public interface IHealth
+ {
+ Task Check(ServerCallContext context, global::Grpc.Health.V1Alpha.HealthCheckRequest request);
+ }
+
+ // client stub
+ public class HealthClient : AbstractStub, IHealthClient
+ {
+ public HealthClient(Channel channel) : this(channel, StubConfiguration.Default)
+ {
+ }
+ public HealthClient(Channel channel, StubConfiguration config) : base(channel, config)
+ {
+ }
+ public global::Grpc.Health.V1Alpha.HealthCheckResponse Check(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CancellationToken token = default(CancellationToken))
+ {
+ var call = CreateCall(__ServiceName, __Method_Check);
+ return Calls.BlockingUnaryCall(call, request, token);
+ }
+ public Task CheckAsync(global::Grpc.Health.V1Alpha.HealthCheckRequest request, CancellationToken token = default(CancellationToken))
+ {
+ var call = CreateCall(__ServiceName, __Method_Check);
+ return Calls.AsyncUnaryCall(call, request, token);
+ }
+ }
+
+ // creates service definition that can be registered with a server
+ public static ServerServiceDefinition BindService(IHealth serviceImpl)
+ {
+ return ServerServiceDefinition.CreateBuilder(__ServiceName)
+ .AddMethod(__Method_Check, serviceImpl.Check).Build();
+ }
+
+ // creates a new client stub
+ public static IHealthClient NewStub(Channel channel)
+ {
+ return new HealthClient(channel);
+ }
+
+ // creates a new client stub
+ public static IHealthClient NewStub(Channel channel, StubConfiguration config)
+ {
+ return new HealthClient(channel, config);
+ }
+ }
+}
+#endregion
diff --git a/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
new file mode 100644
index 00000000000..db3a2a09420
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
@@ -0,0 +1,132 @@
+#region Copyright notice and license
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Health.V1Alpha;
+
+namespace Grpc.HealthCheck
+{
+ ///
+ /// Implementation of a simple Health service. Useful for health checking.
+ ///
+ /// Registering service with a server:
+ ///
+ /// var serviceImpl = new HealthServiceImpl();
+ /// server = new Server();
+ /// server.AddServiceDefinition(Grpc.Health.V1Alpha.Health.BindService(serviceImpl));
+ ///
+ ///
+ public class HealthServiceImpl : Grpc.Health.V1Alpha.Health.IHealth
+ {
+ private readonly object myLock = new object();
+ private readonly Dictionary statusMap =
+ new Dictionary();
+
+ ///
+ /// Sets the health status for given host and service.
+ ///
+ /// The host. Cannot be null.
+ /// The service. Cannot be null.
+ /// the health status
+ public void SetStatus(string host, string service, HealthCheckResponse.Types.ServingStatus status)
+ {
+ lock (myLock)
+ {
+ statusMap[CreateKey(host, service)] = status;
+ }
+ }
+
+ ///
+ /// Clears health status for given host and service.
+ ///
+ /// The host. Cannot be null.
+ /// The service. Cannot be null.
+ public void ClearStatus(string host, string service)
+ {
+ lock (myLock)
+ {
+ statusMap.Remove(CreateKey(host, service));
+ }
+ }
+
+ ///
+ /// Clears statuses for all hosts and services.
+ ///
+ public void ClearAll()
+ {
+ lock (myLock)
+ {
+ statusMap.Clear();
+ }
+ }
+
+ public Task Check(ServerCallContext context, HealthCheckRequest request)
+ {
+ lock (myLock)
+ {
+ var host = request.HasHost ? request.Host : "";
+ var service = request.HasService ? request.Service : "";
+
+ HealthCheckResponse.Types.ServingStatus status;
+ if (!statusMap.TryGetValue(CreateKey(host, service), out status))
+ {
+ // TODO(jtattermusch): returning specific status from server handler is not supported yet.
+ throw new RpcException(new Status(StatusCode.NotFound, ""));
+ }
+ return Task.FromResult(HealthCheckResponse.CreateBuilder().SetStatus(status).Build());
+ }
+ }
+
+ private static Key CreateKey(string host, string service)
+ {
+ return new Key(host, service);
+ }
+
+ private struct Key
+ {
+ public Key(string host, string service)
+ {
+ this.Host = Preconditions.CheckNotNull(host);
+ this.Service = Preconditions.CheckNotNull(service);
+ }
+
+ readonly string Host;
+ readonly string Service;
+ }
+ }
+}
diff --git a/src/csharp/Grpc.HealthCheck/Properties/AssemblyInfo.cs b/src/csharp/Grpc.HealthCheck/Properties/AssemblyInfo.cs
new file mode 100644
index 00000000000..6cfdb7e6e2c
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/Properties/AssemblyInfo.cs
@@ -0,0 +1,12 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+[assembly: AssemblyTitle("Grpc.HealthCheck")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("Google Inc. All rights reserved.")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: AssemblyVersion("0.6.*")]
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck/packages.config b/src/csharp/Grpc.HealthCheck/packages.config
new file mode 100644
index 00000000000..094a30981e4
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/packages.config
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/src/csharp/Grpc.HealthCheck/proto/health.proto b/src/csharp/Grpc.HealthCheck/proto/health.proto
new file mode 100644
index 00000000000..08df7e104e1
--- /dev/null
+++ b/src/csharp/Grpc.HealthCheck/proto/health.proto
@@ -0,0 +1,52 @@
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// TODO(jtattermusch): switch to proto3 once C# supports that.
+syntax = "proto2";
+
+package grpc.health.v1alpha;
+option csharp_namespace = "Grpc.Health.V1Alpha";
+
+message HealthCheckRequest {
+ optional string host = 1;
+ optional string service = 2;
+}
+
+message HealthCheckResponse {
+ enum ServingStatus {
+ UNKNOWN = 0;
+ SERVING = 1;
+ NOT_SERVING = 2;
+ }
+ optional ServingStatus status = 1;
+}
+
+service Health {
+ rpc Check(HealthCheckRequest) returns (HealthCheckResponse);
+}
\ No newline at end of file
diff --git a/src/csharp/Grpc.sln b/src/csharp/Grpc.sln
index 978739f23aa..705e4fb1c21 100644
--- a/src/csharp/Grpc.sln
+++ b/src/csharp/Grpc.sln
@@ -28,57 +28,68 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{B5B871
.nuget\packages.config = .nuget\packages.config
EndProjectSection
EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.HealthCheck", "Grpc.HealthCheck\Grpc.HealthCheck.csproj", "{AA5E328A-8835-49D7-98ED-C29F2B3049F0}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.HealthCheck.Tests", "Grpc.HealthCheck.Tests\Grpc.HealthCheck.Tests.csproj", "{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x86 = Debug|x86
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
- {7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Debug|x86.ActiveCfg = Debug|Any CPU
- {7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Debug|x86.Build.0 = Debug|Any CPU
- {7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Release|x86.ActiveCfg = Release|Any CPU
- {7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Release|x86.Build.0 = Release|Any CPU
- {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|x86.ActiveCfg = Debug|Any CPU
- {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|x86.Build.0 = Debug|Any CPU
- {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|x86.ActiveCfg = Release|Any CPU
- {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|x86.Build.0 = Release|Any CPU
- {86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Debug|x86.ActiveCfg = Debug|Any CPU
- {86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Debug|x86.Build.0 = Debug|Any CPU
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{3D166931-BA2D-416E-95A3-D36E8F6E90B9}.Release|x86.Build.0 = Release|x86
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{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Release|x86.Build.0 = Release|Any CPU
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+ {C61154BA-DD4A-4838-8420-0162A28925E0}.Release|x86.Build.0 = Release|x86
+ {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|x86.ActiveCfg = Debug|Any CPU
+ {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|x86.Build.0 = Debug|Any CPU
+ {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|x86.ActiveCfg = Release|Any CPU
+ {CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|x86.Build.0 = Release|Any CPU
+ {F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.Debug|x86.ActiveCfg = Debug|Any CPU
+ {F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.Debug|x86.Build.0 = Debug|Any CPU
+ {F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.Release|x86.ActiveCfg = Release|Any CPU
+ {F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.Release|x86.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(NestedProjects) = preSolution
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
- GlobalSection(MonoDevelopProperties) = preSolution
- StartupItem = Grpc.Examples\Grpc.Examples.csproj
- EndGlobalSection
EndGlobal
diff --git a/src/csharp/build_packages.bat b/src/csharp/build_packages.bat
index 3412129fb2b..4db286ed0a6 100644
--- a/src/csharp/build_packages.bat
+++ b/src/csharp/build_packages.bat
@@ -11,8 +11,9 @@ endlocal
@call buildall.bat || goto :error
%NUGET% pack ..\..\vsprojects\nuget_package\grpc.native.csharp_ext.nuspec || goto :error
-%NUGET% pack Grpc.Core\Grpc.Core.nuspec -Symbols || goto :error
%NUGET% pack Grpc.Auth\Grpc.Auth.nuspec -Symbols || goto :error
+%NUGET% pack Grpc.Core\Grpc.Core.nuspec -Symbols || goto :error
+%NUGET% pack Grpc.HealthCheck\Grpc.HealthCheck.nuspec -Symbols || goto :error
%NUGET% pack Grpc.Tools.nuspec || goto :error
%NUGET% pack Grpc.nuspec || goto :error
diff --git a/src/csharp/generate_proto_csharp.sh b/src/csharp/generate_proto_csharp.sh
index f980787bb70..6eb3887ea10 100755
--- a/src/csharp/generate_proto_csharp.sh
+++ b/src/csharp/generate_proto_csharp.sh
@@ -35,9 +35,13 @@ cd $(dirname $0)
PLUGIN=protoc-gen-grpc=../../bins/opt/grpc_csharp_plugin
EXAMPLES_DIR=Grpc.Examples
INTEROP_DIR=Grpc.IntegrationTesting
+HEALTHCHECK_DIR=Grpc.HealthCheck
protoc --plugin=$PLUGIN --grpc_out=$EXAMPLES_DIR \
-I $EXAMPLES_DIR/proto $EXAMPLES_DIR/proto/math.proto
protoc --plugin=$PLUGIN --grpc_out=$INTEROP_DIR \
-I $INTEROP_DIR/proto $INTEROP_DIR/proto/test.proto
+
+protoc --plugin=$PLUGIN --grpc_out=$HEALTHCHECK_DIR \
+ -I $HEALTHCHECK_DIR/proto $HEALTHCHECK_DIR/proto/health.proto