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-rw-r--r--src/core/ext/transport/cronet/transport/cronet_transport.c20
-rw-r--r--src/core/lib/iomgr/tcp_server_posix.c8
-rw-r--r--src/csharp/Grpc.Core.Tests/ClientServerTest.cs24
-rw-r--r--src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs10
-rw-r--r--src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs8
-rw-r--r--src/csharp/Grpc.Core.Tests/Internal/AsyncCallServerTest.cs20
-rw-r--r--src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs39
-rw-r--r--src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs10
-rw-r--r--src/csharp/Grpc.Core/Channel.cs13
-rw-r--r--src/csharp/Grpc.Core/Grpc.Core.csproj1
-rw-r--r--src/csharp/Grpc.Core/GrpcEnvironment.cs53
-rw-r--r--src/csharp/Grpc.Core/Internal/AsyncCall.cs102
-rw-r--r--src/csharp/Grpc.Core/Internal/AsyncCallBase.cs81
-rw-r--r--src/csharp/Grpc.Core/Internal/AsyncCallServer.cs36
-rw-r--r--src/csharp/Grpc.Core/Internal/AsyncCompletion.cs94
-rw-r--r--src/csharp/Grpc.Core/Internal/CallSafeHandle.cs26
-rw-r--r--src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs9
-rw-r--r--src/csharp/Grpc.Core/Internal/ClientRequestStream.cs8
-rw-r--r--src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs16
-rw-r--r--src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs68
-rw-r--r--src/csharp/Grpc.Core/Internal/NativeMethods.cs11
-rw-r--r--src/csharp/Grpc.Core/Internal/ServerCallHandler.cs32
-rw-r--r--src/csharp/Grpc.Core/Internal/ServerResponseStream.cs8
-rw-r--r--src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs27
-rw-r--r--src/csharp/Grpc.Core/Server.cs39
-rw-r--r--src/csharp/Grpc.IntegrationTesting/InteropClient.cs39
-rw-r--r--src/csharp/ext/grpc_csharp_ext.c11
-rw-r--r--src/node/ext/server.cc38
-rw-r--r--src/objective-c/CronetFramework.podspec43
-rw-r--r--src/objective-c/GRPCClient/GRPCCall+Cronet.h55
-rw-r--r--src/objective-c/GRPCClient/GRPCCall+Cronet.m54
-rw-r--r--src/objective-c/GRPCClient/private/GRPCChannel.h6
-rw-r--r--src/objective-c/GRPCClient/private/GRPCChannel.m30
-rw-r--r--src/objective-c/GRPCClient/private/GRPCHost.m13
-rw-r--r--src/objective-c/tests/InteropTests.m16
-rw-r--r--src/objective-c/tests/Podfile1
-rw-r--r--src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi2
-rw-r--r--src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi12
38 files changed, 700 insertions, 383 deletions
diff --git a/src/core/ext/transport/cronet/transport/cronet_transport.c b/src/core/ext/transport/cronet/transport/cronet_transport.c
index c5318f092e..0c04c77d76 100644
--- a/src/core/ext/transport/cronet/transport/cronet_transport.c
+++ b/src/core/ext/transport/cronet/transport/cronet_transport.c
@@ -218,8 +218,11 @@ static void on_write_completed(cronet_bidirectional_stream *stream,
static void process_recv_message(stream_obj *s, const uint8_t *recv_data) {
gpr_slice read_data_slice = gpr_slice_malloc((uint32_t)s->total_read_bytes);
uint8_t *dst_p = GPR_SLICE_START_PTR(read_data_slice);
- memcpy(dst_p, recv_data, (size_t)s->total_read_bytes);
- gpr_slice_buffer_add(&s->read_slice_buffer, read_data_slice);
+ if (s->total_read_bytes > 0) {
+ // Only copy if there is non-zero number of bytes
+ memcpy(dst_p, recv_data, (size_t)s->total_read_bytes);
+ gpr_slice_buffer_add(&s->read_slice_buffer, read_data_slice);
+ }
grpc_slice_buffer_stream_init(&s->sbs, &s->read_slice_buffer, 0);
*s->recv_message = (grpc_byte_buffer *)&s->sbs;
}
@@ -347,8 +350,17 @@ static void next_recv_step(stream_obj *s, enum e_caller caller) {
if (grpc_cronet_trace) {
gpr_log(GPR_DEBUG, "R: cronet_bidirectional_stream_read()");
}
- cronet_bidirectional_stream_read(s->cbs, (char *)s->read_buffer,
- s->remaining_read_bytes);
+ if (s->remaining_read_bytes > 0) {
+ cronet_bidirectional_stream_read(s->cbs, (char *)s->read_buffer,
+ s->remaining_read_bytes);
+ } else {
+ // Calling the closing callback directly since this is a 0 byte read
+ // for an empty message.
+ process_recv_message(s, NULL);
+ enqueue_callbacks(s->callback_list[CB_RECV_MESSAGE]);
+ invoke_closing_callback(s);
+ set_recv_state(s, CRONET_RECV_CLOSED);
+ }
}
}
break;
diff --git a/src/core/lib/iomgr/tcp_server_posix.c b/src/core/lib/iomgr/tcp_server_posix.c
index 6b10d3ebeb..2ba7408ab2 100644
--- a/src/core/lib/iomgr/tcp_server_posix.c
+++ b/src/core/lib/iomgr/tcp_server_posix.c
@@ -130,6 +130,9 @@ struct grpc_tcp_server {
grpc_pollset **pollsets;
/* number of pollsets in the pollsets array */
size_t pollset_count;
+
+ /* next pollset to assign a channel to */
+ size_t next_pollset_to_assign;
};
grpc_error *grpc_tcp_server_create(grpc_closure *shutdown_complete,
@@ -148,6 +151,7 @@ grpc_error *grpc_tcp_server_create(grpc_closure *shutdown_complete,
s->head = NULL;
s->tail = NULL;
s->nports = 0;
+ s->next_pollset_to_assign = 0;
*server = s;
return GRPC_ERROR_NONE;
}
@@ -328,7 +332,9 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *err) {
goto error;
}
- read_notifier_pollset = grpc_fd_get_read_notifier_pollset(exec_ctx, sp->emfd);
+ read_notifier_pollset =
+ sp->server->pollsets[(sp->server->next_pollset_to_assign++) %
+ sp->server->pollset_count];
/* loop until accept4 returns EAGAIN, and then re-arm notification */
for (;;) {
diff --git a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
index d92addbf54..dcdddc769e 100644
--- a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
@@ -235,8 +235,16 @@ namespace Grpc.Core.Tests
await barrier.Task; // make sure the handler has started.
cts.Cancel();
- var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseAsync);
- Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
+ try
+ {
+ // cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
+ await call.ResponseAsync;
+ Assert.Fail();
+ }
+ catch (RpcException ex)
+ {
+ Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
+ }
}
[Test]
@@ -265,9 +273,15 @@ namespace Grpc.Core.Tests
await handlerStartedBarrier.Task;
cts.Cancel();
- var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseAsync);
- Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
-
+ try
+ {
+ await call.ResponseAsync;
+ Assert.Fail();
+ }
+ catch (RpcException ex)
+ {
+ Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
+ }
Assert.AreEqual("SUCCESS", await successTcs.Task);
}
diff --git a/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs b/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
index cec8c7ce6b..6a156293ad 100644
--- a/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs
@@ -105,7 +105,15 @@ namespace Grpc.Core.Tests
var parentCall = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall(new CallOptions(cancellationToken: cts.Token)));
await readyToCancelTcs.Task;
cts.Cancel();
- Assert.ThrowsAsync(typeof(RpcException), async () => await parentCall);
+ try
+ {
+ // cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
+ await parentCall;
+ Assert.Fail();
+ }
+ catch (RpcException)
+ {
+ }
Assert.AreEqual("CHILD_CALL_CANCELLED", await successTcs.Task);
}
diff --git a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
index ab12c120cb..6fe382751a 100644
--- a/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
+++ b/src/csharp/Grpc.Core.Tests/GrpcEnvironmentTest.cs
@@ -32,7 +32,7 @@
#endregion
using System;
-using System.Threading;
+using System.Linq;
using Grpc.Core;
using NUnit.Framework;
@@ -44,7 +44,11 @@ namespace Grpc.Core.Tests
public void InitializeAndShutdownGrpcEnvironment()
{
var env = GrpcEnvironment.AddRef();
- Assert.IsNotNull(env.CompletionQueue);
+ Assert.IsTrue(env.CompletionQueues.Count > 0);
+ for (int i = 0; i < env.CompletionQueues.Count; i++)
+ {
+ Assert.IsNotNull(env.CompletionQueues.ElementAt(i));
+ }
GrpcEnvironment.Release();
}
diff --git a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallServerTest.cs b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallServerTest.cs
index 0e204761f6..c35aaf680f 100644
--- a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallServerTest.cs
+++ b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallServerTest.cs
@@ -53,8 +53,6 @@ namespace Grpc.Core.Internal.Tests
[SetUp]
public void Init()
{
- var environment = GrpcEnvironment.AddRef();
-
// Create a fake server just so we have an instance to refer to.
// The server won't actually be used at all.
server = new Server()
@@ -66,7 +64,6 @@ namespace Grpc.Core.Internal.Tests
fakeCall = new FakeNativeCall();
asyncCallServer = new AsyncCallServer<string, string>(
Marshallers.StringMarshaller.Serializer, Marshallers.StringMarshaller.Deserializer,
- environment,
server);
asyncCallServer.InitializeForTesting(fakeCall);
}
@@ -75,7 +72,6 @@ namespace Grpc.Core.Internal.Tests
public void Cleanup()
{
server.ShutdownAsync().Wait();
- GrpcEnvironment.Release();
}
[Test]
@@ -136,7 +132,6 @@ namespace Grpc.Core.Internal.Tests
public void WriteAfterCancelNotificationFails()
{
var finishedTask = asyncCallServer.ServerSideCallAsync();
- var requestStream = new ServerRequestStream<string, string>(asyncCallServer);
var responseStream = new ServerResponseStream<string, string>(asyncCallServer);
fakeCall.ReceivedCloseOnServerHandler(true, cancelled: true);
@@ -181,6 +176,21 @@ namespace Grpc.Core.Internal.Tests
AssertFinished(asyncCallServer, fakeCall, finishedTask);
}
+ [Test]
+ public void WriteAfterWriteStatusThrowsInvalidOperationException()
+ {
+ var finishedTask = asyncCallServer.ServerSideCallAsync();
+ var responseStream = new ServerResponseStream<string, string>(asyncCallServer);
+
+ asyncCallServer.SendStatusFromServerAsync(Status.DefaultSuccess, new Metadata(), null);
+ Assert.ThrowsAsync(typeof(InvalidOperationException), async () => await responseStream.WriteAsync("request1"));
+
+ fakeCall.SendStatusFromServerHandler(true);
+ fakeCall.ReceivedCloseOnServerHandler(true, cancelled: true);
+
+ AssertFinished(asyncCallServer, fakeCall, finishedTask);
+ }
+
static void AssertFinished(AsyncCallServer<string, string> asyncCallServer, FakeNativeCall fakeCall, Task finishedTask)
{
Assert.IsTrue(fakeCall.IsDisposed);
diff --git a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
index 777a1c8c50..81897f8c77 100644
--- a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
+++ b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
@@ -33,7 +33,6 @@
using System;
using System.Collections.Generic;
-using System.Runtime.InteropServices;
using System.Threading.Tasks;
using Grpc.Core.Internal;
@@ -82,7 +81,7 @@ namespace Grpc.Core.Internal.Tests
Assert.ThrowsAsync(typeof(InvalidOperationException),
async () => await asyncCall.ReadMessageAsync());
Assert.Throws(typeof(InvalidOperationException),
- () => asyncCall.StartSendMessage("abc", new WriteFlags(), (x,y) => {}));
+ () => asyncCall.SendMessageAsync("abc", new WriteFlags()));
}
[Test]
@@ -103,7 +102,7 @@ namespace Grpc.Core.Internal.Tests
var resultTask = asyncCall.UnaryCallAsync("request1");
fakeCall.UnaryResponseClientHandler(true,
CreateClientSideStatus(StatusCode.InvalidArgument),
- CreateResponsePayload(),
+ null,
new Metadata());
AssertUnaryResponseError(asyncCall, fakeCall, resultTask, StatusCode.InvalidArgument);
@@ -148,7 +147,7 @@ namespace Grpc.Core.Internal.Tests
var resultTask = asyncCall.ClientStreamingCallAsync();
fakeCall.UnaryResponseClientHandler(true,
CreateClientSideStatus(StatusCode.InvalidArgument),
- CreateResponsePayload(),
+ null,
new Metadata());
AssertUnaryResponseError(asyncCall, fakeCall, resultTask, StatusCode.InvalidArgument);
@@ -193,7 +192,7 @@ namespace Grpc.Core.Internal.Tests
fakeCall.UnaryResponseClientHandler(true,
CreateClientSideStatus(StatusCode.Internal),
- CreateResponsePayload(),
+ null,
new Metadata());
AssertUnaryResponseError(asyncCall, fakeCall, resultTask, StatusCode.Internal);
@@ -211,7 +210,9 @@ namespace Grpc.Core.Internal.Tests
new Metadata());
AssertUnaryResponseSuccess(asyncCall, fakeCall, resultTask);
- var ex = Assert.Throws<RpcException>(() => requestStream.WriteAsync("request1"));
+
+ var writeTask = requestStream.WriteAsync("request1");
+ var ex = Assert.ThrowsAsync<RpcException>(async () => await writeTask);
Assert.AreEqual(Status.DefaultSuccess, ex.Status);
}
@@ -223,11 +224,13 @@ namespace Grpc.Core.Internal.Tests
fakeCall.UnaryResponseClientHandler(true,
new ClientSideStatus(new Status(StatusCode.OutOfRange, ""), new Metadata()),
- CreateResponsePayload(),
+ null,
new Metadata());
AssertUnaryResponseError(asyncCall, fakeCall, resultTask, StatusCode.OutOfRange);
- var ex = Assert.Throws<RpcException>(() => requestStream.WriteAsync("request1"));
+
+ var writeTask = requestStream.WriteAsync("request1");
+ var ex = Assert.ThrowsAsync<RpcException>(async () => await writeTask);
Assert.AreEqual(StatusCode.OutOfRange, ex.Status.StatusCode);
}
@@ -267,7 +270,7 @@ namespace Grpc.Core.Internal.Tests
}
[Test]
- public void ClientStreaming_WriteAfterCancellationRequestThrowsOperationCancelledException()
+ public void ClientStreaming_WriteAfterCancellationRequestThrowsTaskCanceledException()
{
var resultTask = asyncCall.ClientStreamingCallAsync();
var requestStream = new ClientRequestStream<string, string>(asyncCall);
@@ -275,11 +278,12 @@ namespace Grpc.Core.Internal.Tests
asyncCall.Cancel();
Assert.IsTrue(fakeCall.IsCancelled);
- Assert.Throws(typeof(OperationCanceledException), () => requestStream.WriteAsync("request1"));
+ var writeTask = requestStream.WriteAsync("request1");
+ Assert.ThrowsAsync(typeof(TaskCanceledException), async () => await writeTask);
fakeCall.UnaryResponseClientHandler(true,
CreateClientSideStatus(StatusCode.Cancelled),
- CreateResponsePayload(),
+ null,
new Metadata());
AssertUnaryResponseError(asyncCall, fakeCall, resultTask, StatusCode.Cancelled);
@@ -290,7 +294,7 @@ namespace Grpc.Core.Internal.Tests
{
asyncCall.StartServerStreamingCall("request1");
Assert.Throws(typeof(InvalidOperationException),
- () => asyncCall.StartSendMessage("abc", new WriteFlags(), (x,y) => {}));
+ () => asyncCall.SendMessageAsync("abc", new WriteFlags()));
}
[Test]
@@ -390,12 +394,13 @@ namespace Grpc.Core.Internal.Tests
AssertStreamingResponseSuccess(asyncCall, fakeCall, readTask);
- var ex = Assert.ThrowsAsync<RpcException>(async () => await requestStream.WriteAsync("request1"));
+ var writeTask = requestStream.WriteAsync("request1");
+ var ex = Assert.ThrowsAsync<RpcException>(async () => await writeTask);
Assert.AreEqual(Status.DefaultSuccess, ex.Status);
}
[Test]
- public void DuplexStreaming_CompleteAfterReceivingStatusFails()
+ public void DuplexStreaming_CompleteAfterReceivingStatusSuceeds()
{
asyncCall.StartDuplexStreamingCall();
var requestStream = new ClientRequestStream<string, string>(asyncCall);
@@ -411,7 +416,7 @@ namespace Grpc.Core.Internal.Tests
}
[Test]
- public void DuplexStreaming_WriteAfterCancellationRequestThrowsOperationCancelledException()
+ public void DuplexStreaming_WriteAfterCancellationRequestThrowsTaskCanceledException()
{
asyncCall.StartDuplexStreamingCall();
var requestStream = new ClientRequestStream<string, string>(asyncCall);
@@ -419,7 +424,9 @@ namespace Grpc.Core.Internal.Tests
asyncCall.Cancel();
Assert.IsTrue(fakeCall.IsCancelled);
- Assert.Throws(typeof(OperationCanceledException), () => requestStream.WriteAsync("request1"));
+
+ var writeTask = requestStream.WriteAsync("request1");
+ Assert.ThrowsAsync(typeof(TaskCanceledException), async () => await writeTask);
var readTask = responseStream.MoveNext();
fakeCall.ReceivedMessageHandler(true, null);
diff --git a/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
index 0663e77d1e..d770f82390 100644
--- a/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
+++ b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs
@@ -134,7 +134,15 @@ namespace Grpc.Core.Tests
{
helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) =>
{
- Assert.ThrowsAsync<IOException>(async () => await requestStream.MoveNext());
+ try
+ {
+ // cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
+ await requestStream.MoveNext();
+ Assert.Fail();
+ }
+ catch (IOException)
+ {
+ }
return "RESPONSE";
});
diff --git a/src/csharp/Grpc.Core/Channel.cs b/src/csharp/Grpc.Core/Channel.cs
index 93a6e6a3d9..886adfec33 100644
--- a/src/csharp/Grpc.Core/Channel.cs
+++ b/src/csharp/Grpc.Core/Channel.cs
@@ -31,7 +31,6 @@
using System;
using System.Collections.Generic;
-using System.Linq;
using System.Threading;
using System.Threading.Tasks;
@@ -56,6 +55,7 @@ namespace Grpc.Core
readonly string target;
readonly GrpcEnvironment environment;
+ readonly CompletionQueueSafeHandle completionQueue;
readonly ChannelSafeHandle handle;
readonly Dictionary<string, ChannelOption> options;
@@ -75,6 +75,7 @@ namespace Grpc.Core
EnsureUserAgentChannelOption(this.options);
this.environment = GrpcEnvironment.AddRef();
+ this.completionQueue = this.environment.PickCompletionQueue();
using (var nativeCredentials = credentials.ToNativeCredentials())
using (var nativeChannelArgs = ChannelOptions.CreateChannelArgs(this.options.Values))
{
@@ -135,7 +136,7 @@ namespace Grpc.Core
tcs.SetCanceled();
}
});
- handle.WatchConnectivityState(lastObservedState, deadlineTimespec, environment.CompletionQueue, environment.CompletionRegistry, handler);
+ handle.WatchConnectivityState(lastObservedState, deadlineTimespec, completionQueue, handler);
return tcs.Task;
}
@@ -231,6 +232,14 @@ namespace Grpc.Core
}
}
+ internal CompletionQueueSafeHandle CompletionQueue
+ {
+ get
+ {
+ return this.completionQueue;
+ }
+ }
+
internal void AddCallReference(object call)
{
activeCallCounter.Increment();
diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 4bf30e83c1..a8b7b5f00d 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -86,7 +86,6 @@
<Compile Include="Utils\BenchmarkUtil.cs" />
<Compile Include="ChannelCredentials.cs" />
<Compile Include="Internal\ChannelArgsSafeHandle.cs" />
- <Compile Include="Internal\AsyncCompletion.cs" />
<Compile Include="Internal\AsyncCallBase.cs" />
<Compile Include="Internal\AsyncCallServer.cs" />
<Compile Include="Internal\AsyncCall.cs" />
diff --git a/src/csharp/Grpc.Core/GrpcEnvironment.cs b/src/csharp/Grpc.Core/GrpcEnvironment.cs
index bee0ef1d62..18af1099f1 100644
--- a/src/csharp/Grpc.Core/GrpcEnvironment.cs
+++ b/src/csharp/Grpc.Core/GrpcEnvironment.cs
@@ -32,8 +32,9 @@
#endregion
using System;
+using System.Collections.Generic;
+using System.Linq;
using System.Runtime.InteropServices;
-using System.Threading.Tasks;
using Grpc.Core.Internal;
using Grpc.Core.Logging;
using Grpc.Core.Utils;
@@ -51,12 +52,13 @@ namespace Grpc.Core
static GrpcEnvironment instance;
static int refCount;
static int? customThreadPoolSize;
+ static int? customCompletionQueueCount;
static ILogger logger = new ConsoleLogger();
readonly GrpcThreadPool threadPool;
- readonly CompletionRegistry completionRegistry;
readonly DebugStats debugStats = new DebugStats();
+ readonly AtomicCounter cqPickerCounter = new AtomicCounter();
bool isClosed;
/// <summary>
@@ -141,36 +143,51 @@ namespace Grpc.Core
}
/// <summary>
+ /// Sets the number of completion queues in the gRPC thread pool that polls for internal RPC events.
+ /// Can be only invoke before the <c>GrpcEnviroment</c> is started and cannot be changed afterwards.
+ /// Setting the number of completions queues is an advanced setting and you should only use it if you know what you are doing.
+ /// Most users should rely on the default value provided by gRPC library.
+ /// Note: this method is part of an experimental API that can change or be removed without any prior notice.
+ /// </summary>
+ public static void SetCompletionQueueCount(int completionQueueCount)
+ {
+ lock (staticLock)
+ {
+ GrpcPreconditions.CheckState(instance == null, "Can only be set before GrpcEnvironment is initialized");
+ GrpcPreconditions.CheckArgument(completionQueueCount > 0, "threadCount needs to be a positive number");
+ customCompletionQueueCount = completionQueueCount;
+ }
+ }
+
+ /// <summary>
/// Creates gRPC environment.
/// </summary>
private GrpcEnvironment()
{
GrpcNativeInit();
- completionRegistry = new CompletionRegistry(this);
- threadPool = new GrpcThreadPool(this, GetThreadPoolSizeOrDefault());
+ threadPool = new GrpcThreadPool(this, GetThreadPoolSizeOrDefault(), GetCompletionQueueCountOrDefault());
threadPool.Start();
}
/// <summary>
- /// Gets the completion registry used by this gRPC environment.
+ /// Gets the completion queues used by this gRPC environment.
/// </summary>
- internal CompletionRegistry CompletionRegistry
+ internal IReadOnlyCollection<CompletionQueueSafeHandle> CompletionQueues
{
get
{
- return this.completionRegistry;
+ return this.threadPool.CompletionQueues;
}
}
/// <summary>
- /// Gets the completion queue used by this gRPC environment.
+ /// Picks a completion queue in a round-robin fashion.
+ /// Shouldn't be invoked on a per-call basis (used at per-channel basis).
/// </summary>
- internal CompletionQueueSafeHandle CompletionQueue
+ internal CompletionQueueSafeHandle PickCompletionQueue()
{
- get
- {
- return this.threadPool.CompletionQueue;
- }
+ var cqIndex = (int) ((cqPickerCounter.Increment() - 1) % this.threadPool.CompletionQueues.Count);
+ return this.threadPool.CompletionQueues.ElementAt(cqIndex);
}
/// <summary>
@@ -230,5 +247,15 @@ namespace Grpc.Core
// more work, but seems to work reasonably well for a start.
return Math.Max(MinDefaultThreadPoolSize, Environment.ProcessorCount / 2);
}
+
+ private int GetCompletionQueueCountOrDefault()
+ {
+ if (customCompletionQueueCount.HasValue)
+ {
+ return customCompletionQueueCount.Value;
+ }
+ // by default, create a completion queue for each thread
+ return GetThreadPoolSizeOrDefault();
+ }
}
}
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCall.cs b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
index 55351869b5..895be690a5 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCall.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCall.cs
@@ -32,12 +32,7 @@
#endregion
using System;
-using System.Diagnostics;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using System.Threading;
using System.Threading.Tasks;
-using Grpc.Core.Internal;
using Grpc.Core.Logging;
using Grpc.Core.Profiling;
using Grpc.Core.Utils;
@@ -57,9 +52,11 @@ namespace Grpc.Core.Internal
// Completion of a pending unary response if not null.
TaskCompletionSource<TResponse> unaryResponseTcs;
+ // TODO(jtattermusch): this field doesn't need to be initialized for unary response calls.
// Indicates that response streaming call has finished.
TaskCompletionSource<object> streamingCallFinishedTcs = new TaskCompletionSource<object>();
+ // TODO(jtattermusch): this field could be lazy-initialized (only if someone requests the response headers).
// Response headers set here once received.
TaskCompletionSource<Metadata> responseHeadersTcs = new TaskCompletionSource<Metadata>();
@@ -67,7 +64,7 @@ namespace Grpc.Core.Internal
ClientSideStatus? finishedStatus;
public AsyncCall(CallInvocationDetails<TRequest, TResponse> callDetails)
- : base(callDetails.RequestMarshaller.Serializer, callDetails.ResponseMarshaller.Deserializer, callDetails.Channel.Environment)
+ : base(callDetails.RequestMarshaller.Serializer, callDetails.ResponseMarshaller.Deserializer)
{
this.details = callDetails.WithOptions(callDetails.Options.Normalize());
this.initialMetadataSent = true; // we always send metadata at the very beginning of the call.
@@ -144,7 +141,7 @@ namespace Grpc.Core.Internal
GrpcPreconditions.CheckState(!started);
started = true;
- Initialize(environment.CompletionQueue);
+ Initialize(details.Channel.CompletionQueue);
halfcloseRequested = true;
readingDone = true;
@@ -171,7 +168,7 @@ namespace Grpc.Core.Internal
GrpcPreconditions.CheckState(!started);
started = true;
- Initialize(environment.CompletionQueue);
+ Initialize(details.Channel.CompletionQueue);
readingDone = true;
@@ -195,7 +192,7 @@ namespace Grpc.Core.Internal
GrpcPreconditions.CheckState(!started);
started = true;
- Initialize(environment.CompletionQueue);
+ Initialize(details.Channel.CompletionQueue);
halfcloseRequested = true;
@@ -220,7 +217,7 @@ namespace Grpc.Core.Internal
GrpcPreconditions.CheckState(!started);
started = true;
- Initialize(environment.CompletionQueue);
+ Initialize(details.Channel.CompletionQueue);
using (var metadataArray = MetadataArraySafeHandle.Create(details.Options.Headers))
{
@@ -232,11 +229,10 @@ namespace Grpc.Core.Internal
/// <summary>
/// Sends a streaming request. Only one pending send action is allowed at any given time.
- /// completionDelegate is called when the operation finishes.
/// </summary>
- public void StartSendMessage(TRequest msg, WriteFlags writeFlags, AsyncCompletionDelegate<object> completionDelegate)
+ public Task SendMessageAsync(TRequest msg, WriteFlags writeFlags)
{
- StartSendMessageInternal(msg, writeFlags, completionDelegate);
+ return SendMessageInternalAsync(msg, writeFlags);
}
/// <summary>
@@ -250,29 +246,32 @@ namespace Grpc.Core.Internal
/// <summary>
/// Sends halfclose, indicating client is done with streaming requests.
/// Only one pending send action is allowed at any given time.
- /// completionDelegate is called when the operation finishes.
/// </summary>
- public void StartSendCloseFromClient(AsyncCompletionDelegate<object> completionDelegate)
+ public Task SendCloseFromClientAsync()
{
lock (myLock)
{
- GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
- CheckSendingAllowed(allowFinished: true);
+ GrpcPreconditions.CheckState(started);
- if (!disposed && !finished)
+ var earlyResult = CheckSendPreconditionsClientSide();
+ if (earlyResult != null)
{
- call.StartSendCloseFromClient(HandleSendCloseFromClientFinished);
+ return earlyResult;
}
- else
+
+ if (disposed || finished)
{
// In case the call has already been finished by the serverside,
- // the halfclose has already been done implicitly, so we only
- // emit the notification for the completion delegate.
- Task.Run(() => HandleSendCloseFromClientFinished(true));
+ // the halfclose has already been done implicitly, so just return
+ // completed task here.
+ halfcloseRequested = true;
+ return Task.FromResult<object>(null);
}
+ call.StartSendCloseFromClient(HandleSendCloseFromClientFinished);
halfcloseRequested = true;
- sendCompletionDelegate = completionDelegate;
+ streamingWriteTcs = new TaskCompletionSource<object>();
+ return streamingWriteTcs.Task;
}
}
@@ -342,6 +341,45 @@ namespace Grpc.Core.Internal
get { return true; }
}
+ protected override Task CheckSendAllowedOrEarlyResult()
+ {
+ var earlyResult = CheckSendPreconditionsClientSide();
+ if (earlyResult != null)
+ {
+ return earlyResult;
+ }
+
+ if (finishedStatus.HasValue)
+ {
+ // throwing RpcException if we already received status on client
+ // side makes the most sense.
+ // Note that this throws even for StatusCode.OK.
+ // Writing after the call has finished is not a programming error because server can close
+ // the call anytime, so don't throw directly, but let the write task finish with an error.
+ var tcs = new TaskCompletionSource<object>();
+ tcs.SetException(new RpcException(finishedStatus.Value.Status));
+ return tcs.Task;
+ }
+
+ return null;
+ }
+
+ private Task CheckSendPreconditionsClientSide()
+ {
+ GrpcPreconditions.CheckState(!halfcloseRequested, "Request stream has already been completed.");
+ GrpcPreconditions.CheckState(streamingWriteTcs == null, "Only one write can be pending at a time.");
+
+ if (cancelRequested)
+ {
+ // Return a cancelled task.
+ var tcs = new TaskCompletionSource<object>();
+ tcs.SetCanceled();
+ return tcs.Task;
+ }
+
+ return null;
+ }
+
private void Initialize(CompletionQueueSafeHandle cq)
{
using (Profilers.ForCurrentThread().NewScope("AsyncCall.Initialize"))
@@ -368,7 +406,7 @@ namespace Grpc.Core.Internal
var credentials = details.Options.Credentials;
using (var nativeCredentials = credentials != null ? credentials.ToNativeCredentials() : null)
{
- var result = details.Channel.Handle.CreateCall(environment.CompletionRegistry,
+ var result = details.Channel.Handle.CreateCall(
parentCall, ContextPropagationToken.DefaultMask, cq,
details.Method, details.Host, Timespec.FromDateTime(details.Options.Deadline.Value), nativeCredentials);
return result;
@@ -400,6 +438,7 @@ namespace Grpc.Core.Internal
/// </summary>
private void HandleReceivedResponseHeaders(bool success, Metadata responseHeaders)
{
+ // TODO(jtattermusch): handle success==false
responseHeadersTcs.SetResult(responseHeaders);
}
@@ -443,19 +482,6 @@ namespace Grpc.Core.Internal
}
}
- protected override void CheckSendingAllowed(bool allowFinished)
- {
- base.CheckSendingAllowed(true);
-
- // throwing RpcException if we already received status on client
- // side makes the most sense.
- // Note that this throws even for StatusCode.OK.
- if (!allowFinished && finishedStatus.HasValue)
- {
- throw new RpcException(finishedStatus.Value.Status);
- }
- }
-
/// <summary>
/// Handles receive status completion for calls with streaming response.
/// </summary>
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
index 4de23706b2..cb8366c216 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs
@@ -58,7 +58,6 @@ namespace Grpc.Core.Internal
readonly Func<TWrite, byte[]> serializer;
readonly Func<byte[], TRead> deserializer;
- protected readonly GrpcEnvironment environment;
protected readonly object myLock = new object();
protected INativeCall call;
@@ -67,8 +66,8 @@ namespace Grpc.Core.Internal
protected bool started;
protected bool cancelRequested;
- protected AsyncCompletionDelegate<object> sendCompletionDelegate; // Completion of a pending send or sendclose if not null.
protected TaskCompletionSource<TRead> streamingReadTcs; // Completion of a pending streaming read if not null.
+ protected TaskCompletionSource<object> streamingWriteTcs; // Completion of a pending streaming write or send close from client if not null.
protected TaskCompletionSource<object> sendStatusFromServerTcs;
protected bool readingDone; // True if last read (i.e. read with null payload) was already received.
@@ -78,11 +77,10 @@ namespace Grpc.Core.Internal
protected bool initialMetadataSent;
protected long streamingWritesCounter; // Number of streaming send operations started so far.
- public AsyncCallBase(Func<TWrite, byte[]> serializer, Func<byte[], TRead> deserializer, GrpcEnvironment environment)
+ public AsyncCallBase(Func<TWrite, byte[]> serializer, Func<byte[], TRead> deserializer)
{
this.serializer = GrpcPreconditions.CheckNotNull(serializer);
this.deserializer = GrpcPreconditions.CheckNotNull(deserializer);
- this.environment = GrpcPreconditions.CheckNotNull(environment);
}
/// <summary>
@@ -128,28 +126,31 @@ namespace Grpc.Core.Internal
/// <summary>
/// Initiates sending a message. Only one send operation can be active at a time.
- /// completionDelegate is invoked upon completion.
/// </summary>
- protected void StartSendMessageInternal(TWrite msg, WriteFlags writeFlags, AsyncCompletionDelegate<object> completionDelegate)
+ protected Task SendMessageInternalAsync(TWrite msg, WriteFlags writeFlags)
{
byte[] payload = UnsafeSerialize(msg);
lock (myLock)
{
- GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
- CheckSendingAllowed(allowFinished: false);
+ GrpcPreconditions.CheckState(started);
+ var earlyResult = CheckSendAllowedOrEarlyResult();
+ if (earlyResult != null)
+ {
+ return earlyResult;
+ }
call.StartSendMessage(HandleSendFinished, payload, writeFlags, !initialMetadataSent);
- sendCompletionDelegate = completionDelegate;
initialMetadataSent = true;
streamingWritesCounter++;
+ streamingWriteTcs = new TaskCompletionSource<object>();
+ return streamingWriteTcs.Task;
}
}
/// <summary>
/// Initiates reading a message. Only one read operation can be active at a time.
- /// completionDelegate is invoked upon completion.
/// </summary>
protected Task<TRead> ReadMessageInternalAsync()
{
@@ -159,7 +160,7 @@ namespace Grpc.Core.Internal
if (readingDone)
{
// the last read that returns null or throws an exception is idempotent
- // and maintain its state.
+ // and maintains its state.
GrpcPreconditions.CheckState(streamingReadTcs != null, "Call does not support streaming reads.");
return streamingReadTcs.Task;
}
@@ -183,7 +184,7 @@ namespace Grpc.Core.Internal
{
if (!disposed && call != null)
{
- bool noMoreSendCompletions = sendCompletionDelegate == null && (halfcloseRequested || cancelRequested || finished);
+ bool noMoreSendCompletions = streamingWriteTcs == null && (halfcloseRequested || cancelRequested || finished);
if (noMoreSendCompletions && readingDone && finished)
{
ReleaseResources();
@@ -213,24 +214,11 @@ namespace Grpc.Core.Internal
{
}
- protected virtual void CheckSendingAllowed(bool allowFinished)
- {
- GrpcPreconditions.CheckState(started);
- CheckNotCancelled();
- GrpcPreconditions.CheckState(!disposed || allowFinished);
-
- GrpcPreconditions.CheckState(!halfcloseRequested, "Already halfclosed.");
- GrpcPreconditions.CheckState(!finished || allowFinished, "Already finished.");
- GrpcPreconditions.CheckState(sendCompletionDelegate == null, "Only one write can be pending at a time");
- }
-
- protected void CheckNotCancelled()
- {
- if (cancelRequested)
- {
- throw new OperationCanceledException("Remote call has been cancelled.");
- }
- }
+ /// <summary>
+ /// Checks if sending is allowed and possibly returns a Task that allows short-circuiting the send
+ /// logic by directly returning the write operation result task. Normally, null is returned.
+ /// </summary>
+ protected abstract Task CheckSendAllowedOrEarlyResult();
protected byte[] UnsafeSerialize(TWrite msg)
{
@@ -259,39 +247,27 @@ namespace Grpc.Core.Internal
}
}
- protected void FireCompletion<T>(AsyncCompletionDelegate<T> completionDelegate, T value, Exception error)
- {
- try
- {
- completionDelegate(value, error);
- }
- catch (Exception e)
- {
- Logger.Error(e, "Exception occured while invoking completion delegate.");
- }
- }
-
/// <summary>
/// Handles send completion.
/// </summary>
protected void HandleSendFinished(bool success)
{
- AsyncCompletionDelegate<object> origCompletionDelegate = null;
+ TaskCompletionSource<object> origTcs = null;
lock (myLock)
{
- origCompletionDelegate = sendCompletionDelegate;
- sendCompletionDelegate = null;
+ origTcs = streamingWriteTcs;
+ streamingWriteTcs = null;
ReleaseResourcesIfPossible();
}
if (!success)
{
- FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Send failed"));
+ origTcs.SetException(new InvalidOperationException("Send failed"));
}
else
{
- FireCompletion(origCompletionDelegate, null, null);
+ origTcs.SetResult(null);
}
}
@@ -300,22 +276,23 @@ namespace Grpc.Core.Internal
/// </summary>
protected void HandleSendCloseFromClientFinished(bool success)
{
- AsyncCompletionDelegate<object> origCompletionDelegate = null;
+ TaskCompletionSource<object> origTcs = null;
lock (myLock)
{
- origCompletionDelegate = sendCompletionDelegate;
- sendCompletionDelegate = null;
+ origTcs = streamingWriteTcs;
+ streamingWriteTcs = null;
ReleaseResourcesIfPossible();
}
if (!success)
{
- FireCompletion(origCompletionDelegate, null, new InvalidOperationException("Sending close from client has failed."));
+ // TODO(jtattermusch): this method is same as HandleSendFinished (only the error message differs).
+ origTcs.SetException(new InvalidOperationException("Sending close from client has failed."));
}
else
{
- FireCompletion(origCompletionDelegate, null, null);
+ origTcs.SetResult(null);
}
}
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
index b1566b44a7..56c23ba3ef 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
@@ -51,14 +51,14 @@ namespace Grpc.Core.Internal
readonly CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
readonly Server server;
- public AsyncCallServer(Func<TResponse, byte[]> serializer, Func<byte[], TRequest> deserializer, GrpcEnvironment environment, Server server) : base(serializer, deserializer, environment)
+ public AsyncCallServer(Func<TResponse, byte[]> serializer, Func<byte[], TRequest> deserializer, Server server) : base(serializer, deserializer)
{
this.server = GrpcPreconditions.CheckNotNull(server);
}
- public void Initialize(CallSafeHandle call)
+ public void Initialize(CallSafeHandle call, CompletionQueueSafeHandle completionQueue)
{
- call.Initialize(environment.CompletionRegistry, environment.CompletionQueue);
+ call.Initialize(completionQueue);
server.AddCallReference(this);
InitializeInternal(call);
@@ -91,11 +91,10 @@ namespace Grpc.Core.Internal
/// <summary>
/// Sends a streaming response. Only one pending send action is allowed at any given time.
- /// completionDelegate is called when the operation finishes.
/// </summary>
- public void StartSendMessage(TResponse msg, WriteFlags writeFlags, AsyncCompletionDelegate<object> completionDelegate)
+ public Task SendMessageAsync(TResponse msg, WriteFlags writeFlags)
{
- StartSendMessageInternal(msg, writeFlags, completionDelegate);
+ return SendMessageInternalAsync(msg, writeFlags);
}
/// <summary>
@@ -110,20 +109,22 @@ namespace Grpc.Core.Internal
/// Initiates sending a initial metadata.
/// Even though C-core allows sending metadata in parallel to sending messages, we will treat sending metadata as a send message operation
/// to make things simpler.
- /// completionDelegate is invoked upon completion.
/// </summary>
- public void StartSendInitialMetadata(Metadata headers, AsyncCompletionDelegate<object> completionDelegate)
+ public Task SendInitialMetadataAsync(Metadata headers)
{
lock (myLock)
{
GrpcPreconditions.CheckNotNull(headers, "metadata");
- GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+ GrpcPreconditions.CheckState(started);
GrpcPreconditions.CheckState(!initialMetadataSent, "Response headers can only be sent once per call.");
GrpcPreconditions.CheckState(streamingWritesCounter == 0, "Response headers can only be sent before the first write starts.");
- CheckSendingAllowed(allowFinished: false);
- GrpcPreconditions.CheckNotNull(completionDelegate, "Completion delegate cannot be null");
+ var earlyResult = CheckSendAllowedOrEarlyResult();
+ if (earlyResult != null)
+ {
+ return earlyResult;
+ }
using (var metadataArray = MetadataArraySafeHandle.Create(headers))
{
@@ -131,7 +132,8 @@ namespace Grpc.Core.Internal
}
this.initialMetadataSent = true;
- sendCompletionDelegate = completionDelegate;
+ streamingWriteTcs = new TaskCompletionSource<object>();
+ return streamingWriteTcs.Task;
}
}
@@ -196,6 +198,16 @@ namespace Grpc.Core.Internal
server.RemoveCallReference(this);
}
+ protected override Task CheckSendAllowedOrEarlyResult()
+ {
+ GrpcPreconditions.CheckState(!halfcloseRequested, "Response stream has already been completed.");
+ GrpcPreconditions.CheckState(!finished, "Already finished.");
+ GrpcPreconditions.CheckState(streamingWriteTcs == null, "Only one write can be pending at a time");
+ GrpcPreconditions.CheckState(!disposed);
+
+ return null;
+ }
+
/// <summary>
/// Handles the server side close completion.
/// </summary>
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs b/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
deleted file mode 100644
index 7e86fddb4d..0000000000
--- a/src/csharp/Grpc.Core/Internal/AsyncCompletion.cs
+++ /dev/null
@@ -1,94 +0,0 @@
-#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.Diagnostics;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using System.Threading;
-using System.Threading.Tasks;
-using Grpc.Core.Internal;
-using Grpc.Core.Utils;
-
-namespace Grpc.Core.Internal
-{
- /// <summary>
- /// If error != null, there's been an error or operation has been cancelled.
- /// </summary>
- internal delegate void AsyncCompletionDelegate<T>(T result, Exception error);
-
- /// <summary>
- /// Helper for transforming AsyncCompletionDelegate into full-fledged Task.
- /// </summary>
- internal class AsyncCompletionTaskSource<T>
- {
- readonly TaskCompletionSource<T> tcs = new TaskCompletionSource<T>();
- readonly AsyncCompletionDelegate<T> completionDelegate;
-
- public AsyncCompletionTaskSource()
- {
- completionDelegate = new AsyncCompletionDelegate<T>(HandleCompletion);
- }
-
- public Task<T> Task
- {
- get
- {
- return tcs.Task;
- }
- }
-
- public AsyncCompletionDelegate<T> CompletionDelegate
- {
- get
- {
- return completionDelegate;
- }
- }
-
- private void HandleCompletion(T value, Exception error)
- {
- if (error == null)
- {
- tcs.SetResult(value);
- return;
- }
- if (error is OperationCanceledException)
- {
- tcs.SetCanceled();
- return;
- }
- tcs.SetException(error);
- }
- }
-}
diff --git a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
index 244b97d4a4..82361f5797 100644
--- a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
@@ -47,16 +47,14 @@ namespace Grpc.Core.Internal
static readonly NativeMethods Native = NativeMethods.Get();
const uint GRPC_WRITE_BUFFER_HINT = 1;
- CompletionRegistry completionRegistry;
CompletionQueueSafeHandle completionQueue;
private CallSafeHandle()
{
}
- public void Initialize(CompletionRegistry completionRegistry, CompletionQueueSafeHandle completionQueue)
+ public void Initialize(CompletionQueueSafeHandle completionQueue)
{
- this.completionRegistry = completionRegistry;
this.completionQueue = completionQueue;
}
@@ -70,7 +68,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient(), context.GetReceivedMessage(), context.GetReceivedInitialMetadata()));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient(), context.GetReceivedMessage(), context.GetReceivedInitialMetadata()));
Native.grpcsharp_call_start_unary(this, ctx, payload, new UIntPtr((ulong)payload.Length), metadataArray, writeFlags)
.CheckOk();
}
@@ -90,7 +88,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient(), context.GetReceivedMessage(), context.GetReceivedInitialMetadata()));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient(), context.GetReceivedMessage(), context.GetReceivedInitialMetadata()));
Native.grpcsharp_call_start_client_streaming(this, ctx, metadataArray).CheckOk();
}
}
@@ -100,7 +98,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient()));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient()));
Native.grpcsharp_call_start_server_streaming(this, ctx, payload, new UIntPtr((ulong)payload.Length), metadataArray, writeFlags).CheckOk();
}
}
@@ -110,7 +108,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient()));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedStatusOnClient()));
Native.grpcsharp_call_start_duplex_streaming(this, ctx, metadataArray).CheckOk();
}
}
@@ -120,7 +118,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
Native.grpcsharp_call_send_message(this, ctx, payload, new UIntPtr((ulong)payload.Length), writeFlags, sendEmptyInitialMetadata).CheckOk();
}
}
@@ -130,7 +128,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
Native.grpcsharp_call_send_close_from_client(this, ctx).CheckOk();
}
}
@@ -142,7 +140,7 @@ namespace Grpc.Core.Internal
{
var ctx = BatchContextSafeHandle.Create();
var optionalPayloadLength = optionalPayload != null ? new UIntPtr((ulong)optionalPayload.Length) : UIntPtr.Zero;
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
Native.grpcsharp_call_send_status_from_server(this, ctx, status.StatusCode, status.Detail, metadataArray, sendEmptyInitialMetadata,
optionalPayload, optionalPayloadLength, writeFlags).CheckOk();
}
@@ -153,7 +151,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedMessage()));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedMessage()));
Native.grpcsharp_call_recv_message(this, ctx).CheckOk();
}
}
@@ -163,7 +161,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedInitialMetadata()));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedInitialMetadata()));
Native.grpcsharp_call_recv_initial_metadata(this, ctx).CheckOk();
}
}
@@ -173,7 +171,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedCloseOnServerCancelled()));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success, context.GetReceivedCloseOnServerCancelled()));
Native.grpcsharp_call_start_serverside(this, ctx).CheckOk();
}
}
@@ -183,7 +181,7 @@ namespace Grpc.Core.Internal
using (completionQueue.NewScope())
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, (success, context) => callback(success));
Native.grpcsharp_call_send_initial_metadata(this, ctx, metadataArray).CheckOk();
}
}
diff --git a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
index 1dbd1f4e34..62864dff0c 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
@@ -63,7 +63,7 @@ namespace Grpc.Core.Internal
return Native.grpcsharp_secure_channel_create(credentials, target, channelArgs);
}
- public CallSafeHandle CreateCall(CompletionRegistry registry, CallSafeHandle parentCall, ContextPropagationFlags propagationMask, CompletionQueueSafeHandle cq, string method, string host, Timespec deadline, CallCredentialsSafeHandle credentials)
+ public CallSafeHandle CreateCall(CallSafeHandle parentCall, ContextPropagationFlags propagationMask, CompletionQueueSafeHandle cq, string method, string host, Timespec deadline, CallCredentialsSafeHandle credentials)
{
using (Profilers.ForCurrentThread().NewScope("ChannelSafeHandle.CreateCall"))
{
@@ -72,7 +72,7 @@ namespace Grpc.Core.Internal
{
result.SetCredentials(credentials);
}
- result.Initialize(registry, cq);
+ result.Initialize(cq);
return result;
}
}
@@ -82,11 +82,10 @@ namespace Grpc.Core.Internal
return Native.grpcsharp_channel_check_connectivity_state(this, tryToConnect ? 1 : 0);
}
- public void WatchConnectivityState(ChannelState lastObservedState, Timespec deadline, CompletionQueueSafeHandle cq,
- CompletionRegistry completionRegistry, BatchCompletionDelegate callback)
+ public void WatchConnectivityState(ChannelState lastObservedState, Timespec deadline, CompletionQueueSafeHandle cq, BatchCompletionDelegate callback)
{
var ctx = BatchContextSafeHandle.Create();
- completionRegistry.RegisterBatchCompletion(ctx, callback);
+ cq.CompletionRegistry.RegisterBatchCompletion(ctx, callback);
Native.grpcsharp_channel_watch_connectivity_state(this, lastObservedState, deadline, cq, ctx);
}
diff --git a/src/csharp/Grpc.Core/Internal/ClientRequestStream.cs b/src/csharp/Grpc.Core/Internal/ClientRequestStream.cs
index 013f00ff6f..924de028f5 100644
--- a/src/csharp/Grpc.Core/Internal/ClientRequestStream.cs
+++ b/src/csharp/Grpc.Core/Internal/ClientRequestStream.cs
@@ -50,16 +50,12 @@ namespace Grpc.Core.Internal
public Task WriteAsync(TRequest message)
{
- var taskSource = new AsyncCompletionTaskSource<object>();
- call.StartSendMessage(message, GetWriteFlags(), taskSource.CompletionDelegate);
- return taskSource.Task;
+ return call.SendMessageAsync(message, GetWriteFlags());
}
public Task CompleteAsync()
{
- var taskSource = new AsyncCompletionTaskSource<object>();
- call.StartSendCloseFromClient(taskSource.CompletionDelegate);
- return taskSource.Task;
+ return call.SendCloseFromClientAsync();
}
public WriteOptions WriteOptions
diff --git a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
index 91364cdc70..46f5624223 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs
@@ -45,6 +45,7 @@ namespace Grpc.Core.Internal
static readonly NativeMethods Native = NativeMethods.Get();
AtomicCounter shutdownRefcount = new AtomicCounter(1);
+ CompletionRegistry completionRegistry;
private CompletionQueueSafeHandle()
{
@@ -53,7 +54,13 @@ namespace Grpc.Core.Internal
public static CompletionQueueSafeHandle Create()
{
return Native.grpcsharp_completion_queue_create();
+ }
+ public static CompletionQueueSafeHandle Create(CompletionRegistry completionRegistry)
+ {
+ var cq = Native.grpcsharp_completion_queue_create();
+ cq.completionRegistry = completionRegistry;
+ return cq;
}
public CompletionQueueEvent Next()
@@ -83,6 +90,15 @@ namespace Grpc.Core.Internal
DecrementShutdownRefcount();
}
+ /// <summary>
+ /// Completion registry associated with this completion queue.
+ /// Doesn't need to be set if only using Pluck() operations.
+ /// </summary>
+ public CompletionRegistry CompletionRegistry
+ {
+ get { return completionRegistry; }
+ }
+
protected override bool ReleaseHandle()
{
Native.grpcsharp_completion_queue_destroy(handle);
diff --git a/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs b/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs
index b538726fa1..4de543bef7 100644
--- a/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs
+++ b/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs
@@ -33,15 +33,15 @@
using System;
using System.Collections.Generic;
-using System.Runtime.InteropServices;
+using System.Linq;
using System.Threading;
-using System.Threading.Tasks;
using Grpc.Core.Logging;
+using Grpc.Core.Utils;
namespace Grpc.Core.Internal
{
/// <summary>
- /// Pool of threads polling on the same completion queue.
+ /// Pool of threads polling on a set of completions queues.
/// </summary>
internal class GrpcThreadPool
{
@@ -51,25 +51,31 @@ namespace Grpc.Core.Internal
readonly object myLock = new object();
readonly List<Thread> threads = new List<Thread>();
readonly int poolSize;
+ readonly int completionQueueCount;
- CompletionQueueSafeHandle cq;
+ IReadOnlyCollection<CompletionQueueSafeHandle> completionQueues;
- public GrpcThreadPool(GrpcEnvironment environment, int poolSize)
+ /// <summary>
+ /// Creates a thread pool threads polling on a set of completions queues.
+ /// </summary>
+ /// <param name="environment">Environment.</param>
+ /// <param name="poolSize">Pool size.</param>
+ /// <param name="completionQueueCount">Completion queue count.</param>
+ public GrpcThreadPool(GrpcEnvironment environment, int poolSize, int completionQueueCount)
{
this.environment = environment;
this.poolSize = poolSize;
+ this.completionQueueCount = completionQueueCount;
+ GrpcPreconditions.CheckArgument(poolSize >= completionQueueCount,
+ "Thread pool size cannot be smaller than the number of completion queues used.");
}
public void Start()
{
lock (myLock)
{
- if (cq != null)
- {
- throw new InvalidOperationException("Already started.");
- }
-
- cq = CompletionQueueSafeHandle.Create();
+ GrpcPreconditions.CheckState(completionQueues == null, "Already started.");
+ completionQueues = CreateCompletionQueueList(environment, completionQueueCount);
for (int i = 0; i < poolSize; i++)
{
@@ -82,37 +88,48 @@ namespace Grpc.Core.Internal
{
lock (myLock)
{
- cq.Shutdown();
+ foreach (var cq in completionQueues)
+ {
+ cq.Shutdown();
+ }
+
foreach (var thread in threads)
{
thread.Join();
}
- cq.Dispose();
+ foreach (var cq in completionQueues)
+ {
+ cq.Dispose();
+ }
}
}
- internal CompletionQueueSafeHandle CompletionQueue
+ internal IReadOnlyCollection<CompletionQueueSafeHandle> CompletionQueues
{
get
{
- return cq;
+ return completionQueues;
}
}
- private Thread CreateAndStartThread(int i)
+ private Thread CreateAndStartThread(int threadIndex)
{
- var thread = new Thread(new ThreadStart(RunHandlerLoop));
+ var cqIndex = threadIndex % completionQueues.Count;
+ var cq = completionQueues.ElementAt(cqIndex);
+
+ var thread = new Thread(new ThreadStart(() => RunHandlerLoop(cq)));
thread.IsBackground = false;
+ thread.Name = string.Format("grpc {0} (cq {1})", threadIndex, cqIndex);
thread.Start();
- thread.Name = "grpc " + i;
+
return thread;
}
/// <summary>
/// Body of the polling thread.
/// </summary>
- private void RunHandlerLoop()
+ private void RunHandlerLoop(CompletionQueueSafeHandle cq)
{
CompletionQueueEvent ev;
do
@@ -124,7 +141,7 @@ namespace Grpc.Core.Internal
IntPtr tag = ev.tag;
try
{
- var callback = environment.CompletionRegistry.Extract(tag);
+ var callback = cq.CompletionRegistry.Extract(tag);
callback(success);
}
catch (Exception e)
@@ -135,5 +152,16 @@ namespace Grpc.Core.Internal
}
while (ev.type != CompletionQueueEvent.CompletionType.Shutdown);
}
+
+ private static IReadOnlyCollection<CompletionQueueSafeHandle> CreateCompletionQueueList(GrpcEnvironment environment, int completionQueueCount)
+ {
+ var list = new List<CompletionQueueSafeHandle>();
+ for (int i = 0; i < completionQueueCount; i++)
+ {
+ var completionRegistry = new CompletionRegistry(environment);
+ list.Add(CompletionQueueSafeHandle.Create(completionRegistry));
+ }
+ return list.AsReadOnly();
+ }
}
}
diff --git a/src/csharp/Grpc.Core/Internal/NativeMethods.cs b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
index 42fd4d4dc6..65607ed120 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMethods.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
@@ -137,6 +137,7 @@ namespace Grpc.Core.Internal
public readonly Delegates.grpcsharp_server_credentials_release_delegate grpcsharp_server_credentials_release;
public readonly Delegates.grpcsharp_server_create_delegate grpcsharp_server_create;
+ public readonly Delegates.grpcsharp_server_register_completion_queue_delegate grpcsharp_server_register_completion_queue;
public readonly Delegates.grpcsharp_server_add_insecure_http2_port_delegate grpcsharp_server_add_insecure_http2_port;
public readonly Delegates.grpcsharp_server_add_secure_http2_port_delegate grpcsharp_server_add_secure_http2_port;
public readonly Delegates.grpcsharp_server_start_delegate grpcsharp_server_start;
@@ -244,6 +245,7 @@ namespace Grpc.Core.Internal
this.grpcsharp_server_credentials_release = GetMethodDelegate<Delegates.grpcsharp_server_credentials_release_delegate>(library);
this.grpcsharp_server_create = GetMethodDelegate<Delegates.grpcsharp_server_create_delegate>(library);
+ this.grpcsharp_server_register_completion_queue = GetMethodDelegate<Delegates.grpcsharp_server_register_completion_queue_delegate>(library);
this.grpcsharp_server_add_insecure_http2_port = GetMethodDelegate<Delegates.grpcsharp_server_add_insecure_http2_port_delegate>(library);
this.grpcsharp_server_add_secure_http2_port = GetMethodDelegate<Delegates.grpcsharp_server_add_secure_http2_port_delegate>(library);
this.grpcsharp_server_start = GetMethodDelegate<Delegates.grpcsharp_server_start_delegate>(library);
@@ -348,6 +350,7 @@ namespace Grpc.Core.Internal
this.grpcsharp_server_credentials_release = PInvokeMethods.grpcsharp_server_credentials_release;
this.grpcsharp_server_create = PInvokeMethods.grpcsharp_server_create;
+ this.grpcsharp_server_register_completion_queue = PInvokeMethods.grpcsharp_server_register_completion_queue;
this.grpcsharp_server_add_insecure_http2_port = PInvokeMethods.grpcsharp_server_add_insecure_http2_port;
this.grpcsharp_server_add_secure_http2_port = PInvokeMethods.grpcsharp_server_add_secure_http2_port;
this.grpcsharp_server_start = PInvokeMethods.grpcsharp_server_start;
@@ -493,7 +496,8 @@ namespace Grpc.Core.Internal
public delegate ServerCredentialsSafeHandle grpcsharp_ssl_server_credentials_create_delegate(string pemRootCerts, string[] keyCertPairCertChainArray, string[] keyCertPairPrivateKeyArray, UIntPtr numKeyCertPairs, bool forceClientAuth);
public delegate void grpcsharp_server_credentials_release_delegate(IntPtr credentials);
- public delegate ServerSafeHandle grpcsharp_server_create_delegate(CompletionQueueSafeHandle cq, ChannelArgsSafeHandle args);
+ public delegate ServerSafeHandle grpcsharp_server_create_delegate(ChannelArgsSafeHandle args);
+ public delegate void grpcsharp_server_register_completion_queue_delegate(ServerSafeHandle server, CompletionQueueSafeHandle cq);
public delegate int grpcsharp_server_add_insecure_http2_port_delegate(ServerSafeHandle server, string addr);
public delegate int grpcsharp_server_add_secure_http2_port_delegate(ServerSafeHandle server, string addr, ServerCredentialsSafeHandle creds);
public delegate void grpcsharp_server_start_delegate(ServerSafeHandle server);
@@ -773,7 +777,10 @@ namespace Grpc.Core.Internal
// ServerSafeHandle
[DllImport("grpc_csharp_ext.dll")]
- public static extern ServerSafeHandle grpcsharp_server_create(CompletionQueueSafeHandle cq, ChannelArgsSafeHandle args);
+ public static extern ServerSafeHandle grpcsharp_server_create(ChannelArgsSafeHandle args);
+
+ [DllImport("grpc_csharp_ext.dll")]
+ public static extern void grpcsharp_server_register_completion_queue(ServerSafeHandle server, CompletionQueueSafeHandle cq);
[DllImport("grpc_csharp_ext.dll")]
public static extern int grpcsharp_server_add_insecure_http2_port(ServerSafeHandle server, string addr);
diff --git a/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs b/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
index febebba209..6a2f520163 100644
--- a/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerCallHandler.cs
@@ -44,7 +44,7 @@ namespace Grpc.Core.Internal
{
internal interface IServerCallHandler
{
- Task HandleCall(ServerRpcNew newRpc, GrpcEnvironment environment);
+ Task HandleCall(ServerRpcNew newRpc, CompletionQueueSafeHandle cq);
}
internal class UnaryServerCallHandler<TRequest, TResponse> : IServerCallHandler
@@ -62,14 +62,14 @@ namespace Grpc.Core.Internal
this.handler = handler;
}
- public async Task HandleCall(ServerRpcNew newRpc, GrpcEnvironment environment)
+ public async Task HandleCall(ServerRpcNew newRpc, CompletionQueueSafeHandle cq)
{
var asyncCall = new AsyncCallServer<TRequest, TResponse>(
method.ResponseMarshaller.Serializer,
method.RequestMarshaller.Deserializer,
- environment, newRpc.Server);
+ newRpc.Server);
- asyncCall.Initialize(newRpc.Call);
+ asyncCall.Initialize(newRpc.Call, cq);
var finishedTask = asyncCall.ServerSideCallAsync();
var requestStream = new ServerRequestStream<TRequest, TResponse>(asyncCall);
var responseStream = new ServerResponseStream<TRequest, TResponse>(asyncCall);
@@ -121,14 +121,14 @@ namespace Grpc.Core.Internal
this.handler = handler;
}
- public async Task HandleCall(ServerRpcNew newRpc, GrpcEnvironment environment)
+ public async Task HandleCall(ServerRpcNew newRpc, CompletionQueueSafeHandle cq)
{
var asyncCall = new AsyncCallServer<TRequest, TResponse>(
method.ResponseMarshaller.Serializer,
method.RequestMarshaller.Deserializer,
- environment, newRpc.Server);
+ newRpc.Server);
- asyncCall.Initialize(newRpc.Call);
+ asyncCall.Initialize(newRpc.Call, cq);
var finishedTask = asyncCall.ServerSideCallAsync();
var requestStream = new ServerRequestStream<TRequest, TResponse>(asyncCall);
var responseStream = new ServerResponseStream<TRequest, TResponse>(asyncCall);
@@ -179,14 +179,14 @@ namespace Grpc.Core.Internal
this.handler = handler;
}
- public async Task HandleCall(ServerRpcNew newRpc, GrpcEnvironment environment)
+ public async Task HandleCall(ServerRpcNew newRpc, CompletionQueueSafeHandle cq)
{
var asyncCall = new AsyncCallServer<TRequest, TResponse>(
method.ResponseMarshaller.Serializer,
method.RequestMarshaller.Deserializer,
- environment, newRpc.Server);
+ newRpc.Server);
- asyncCall.Initialize(newRpc.Call);
+ asyncCall.Initialize(newRpc.Call, cq);
var finishedTask = asyncCall.ServerSideCallAsync();
var requestStream = new ServerRequestStream<TRequest, TResponse>(asyncCall);
var responseStream = new ServerResponseStream<TRequest, TResponse>(asyncCall);
@@ -237,14 +237,14 @@ namespace Grpc.Core.Internal
this.handler = handler;
}
- public async Task HandleCall(ServerRpcNew newRpc, GrpcEnvironment environment)
+ public async Task HandleCall(ServerRpcNew newRpc, CompletionQueueSafeHandle cq)
{
var asyncCall = new AsyncCallServer<TRequest, TResponse>(
method.ResponseMarshaller.Serializer,
method.RequestMarshaller.Deserializer,
- environment, newRpc.Server);
+ newRpc.Server);
- asyncCall.Initialize(newRpc.Call);
+ asyncCall.Initialize(newRpc.Call, cq);
var finishedTask = asyncCall.ServerSideCallAsync();
var requestStream = new ServerRequestStream<TRequest, TResponse>(asyncCall);
var responseStream = new ServerResponseStream<TRequest, TResponse>(asyncCall);
@@ -281,13 +281,13 @@ namespace Grpc.Core.Internal
{
public static readonly NoSuchMethodCallHandler Instance = new NoSuchMethodCallHandler();
- public async Task HandleCall(ServerRpcNew newRpc, GrpcEnvironment environment)
+ public async Task HandleCall(ServerRpcNew newRpc, CompletionQueueSafeHandle cq)
{
// We don't care about the payload type here.
var asyncCall = new AsyncCallServer<byte[], byte[]>(
- (payload) => payload, (payload) => payload, environment, newRpc.Server);
+ (payload) => payload, (payload) => payload, newRpc.Server);
- asyncCall.Initialize(newRpc.Call);
+ asyncCall.Initialize(newRpc.Call, cq);
var finishedTask = asyncCall.ServerSideCallAsync();
await asyncCall.SendStatusFromServerAsync(new Status(StatusCode.Unimplemented, ""), Metadata.Empty, null).ConfigureAwait(false);
await finishedTask.ConfigureAwait(false);
diff --git a/src/csharp/Grpc.Core/Internal/ServerResponseStream.cs b/src/csharp/Grpc.Core/Internal/ServerResponseStream.cs
index ecfee0bfdd..25b79b4398 100644
--- a/src/csharp/Grpc.Core/Internal/ServerResponseStream.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerResponseStream.cs
@@ -52,16 +52,12 @@ namespace Grpc.Core.Internal
public Task WriteAsync(TResponse message)
{
- var taskSource = new AsyncCompletionTaskSource<object>();
- call.StartSendMessage(message, GetWriteFlags(), taskSource.CompletionDelegate);
- return taskSource.Task;
+ return call.SendMessageAsync(message, GetWriteFlags());
}
public Task WriteResponseHeadersAsync(Metadata responseHeaders)
{
- var taskSource = new AsyncCompletionTaskSource<object>();
- call.StartSendInitialMetadata(responseHeaders, taskSource.CompletionDelegate);
- return taskSource.Task;
+ return call.SendInitialMetadataAsync(responseHeaders);
}
public WriteOptions WriteOptions
diff --git a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
index 6b5f70e220..8581302706 100644
--- a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
@@ -31,12 +31,6 @@
#endregion
-using System;
-using System.Collections.Concurrent;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-using Grpc.Core.Utils;
-
namespace Grpc.Core.Internal
{
/// <summary>
@@ -50,12 +44,17 @@ namespace Grpc.Core.Internal
{
}
- public static ServerSafeHandle NewServer(CompletionQueueSafeHandle cq, ChannelArgsSafeHandle args)
+ public static ServerSafeHandle NewServer(ChannelArgsSafeHandle args)
{
// Increment reference count for the native gRPC environment to make sure we don't do grpc_shutdown() before destroying the server handle.
// Doing so would make object finalizer crash if we end up abandoning the handle.
GrpcEnvironment.GrpcNativeInit();
- return Native.grpcsharp_server_create(cq, args);
+ return Native.grpcsharp_server_create(args);
+ }
+
+ public void RegisterCompletionQueue(CompletionQueueSafeHandle cq)
+ {
+ Native.grpcsharp_server_register_completion_queue(this, cq);
}
public int AddInsecurePort(string addr)
@@ -73,18 +72,18 @@ namespace Grpc.Core.Internal
Native.grpcsharp_server_start(this);
}
- public void ShutdownAndNotify(BatchCompletionDelegate callback, GrpcEnvironment environment)
+ public void ShutdownAndNotify(BatchCompletionDelegate callback, CompletionQueueSafeHandle completionQueue)
{
var ctx = BatchContextSafeHandle.Create();
- environment.CompletionRegistry.RegisterBatchCompletion(ctx, callback);
- Native.grpcsharp_server_shutdown_and_notify_callback(this, environment.CompletionQueue, ctx);
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, callback);
+ Native.grpcsharp_server_shutdown_and_notify_callback(this, completionQueue, ctx);
}
- public void RequestCall(BatchCompletionDelegate callback, GrpcEnvironment environment)
+ public void RequestCall(BatchCompletionDelegate callback, CompletionQueueSafeHandle completionQueue)
{
var ctx = BatchContextSafeHandle.Create();
- environment.CompletionRegistry.RegisterBatchCompletion(ctx, callback);
- Native.grpcsharp_server_request_call(this, environment.CompletionQueue, ctx).CheckOk();
+ completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, callback);
+ Native.grpcsharp_server_request_call(this, completionQueue, ctx).CheckOk();
}
protected override bool ReleaseHandle()
diff --git a/src/csharp/Grpc.Core/Server.cs b/src/csharp/Grpc.Core/Server.cs
index d538a4671f..069185e13a 100644
--- a/src/csharp/Grpc.Core/Server.cs
+++ b/src/csharp/Grpc.Core/Server.cs
@@ -34,8 +34,7 @@
using System;
using System.Collections;
using System.Collections.Generic;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
+using System.Linq;
using System.Threading.Tasks;
using Grpc.Core.Internal;
using Grpc.Core.Logging;
@@ -48,7 +47,7 @@ namespace Grpc.Core
/// </summary>
public class Server
{
- const int InitialAllowRpcTokenCount = 10;
+ const int InitialAllowRpcTokenCountPerCq = 10;
static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<Server>();
readonly AtomicCounter activeCallCounter = new AtomicCounter();
@@ -80,7 +79,12 @@ namespace Grpc.Core
this.options = options != null ? new List<ChannelOption>(options) : new List<ChannelOption>();
using (var channelArgs = ChannelOptions.CreateChannelArgs(this.options))
{
- this.handle = ServerSafeHandle.NewServer(environment.CompletionQueue, channelArgs);
+ this.handle = ServerSafeHandle.NewServer(channelArgs);
+ }
+
+ foreach (var cq in environment.CompletionQueues)
+ {
+ this.handle.RegisterCompletionQueue(cq);
}
}
@@ -133,9 +137,12 @@ namespace Grpc.Core
// Starting with more than one AllowOneRpc tokens can significantly increase
// unary RPC throughput.
- for (int i = 0; i < InitialAllowRpcTokenCount; i++)
+ for (int i = 0; i < InitialAllowRpcTokenCountPerCq; i++)
{
- AllowOneRpc();
+ foreach (var cq in environment.CompletionQueues)
+ {
+ AllowOneRpc(cq);
+ }
}
}
}
@@ -154,7 +161,8 @@ namespace Grpc.Core
shutdownRequested = true;
}
- handle.ShutdownAndNotify(HandleServerShutdown, environment);
+ var cq = environment.CompletionQueues.First(); // any cq will do
+ handle.ShutdownAndNotify(HandleServerShutdown, cq);
await shutdownTcs.Task.ConfigureAwait(false);
DisposeHandle();
@@ -174,7 +182,8 @@ namespace Grpc.Core
shutdownRequested = true;
}
- handle.ShutdownAndNotify(HandleServerShutdown, environment);
+ var cq = environment.CompletionQueues.First(); // any cq will do
+ handle.ShutdownAndNotify(HandleServerShutdown, cq);
handle.CancelAllCalls();
await shutdownTcs.Task.ConfigureAwait(false);
DisposeHandle();
@@ -244,11 +253,11 @@ namespace Grpc.Core
/// <summary>
/// Allows one new RPC call to be received by server.
/// </summary>
- private void AllowOneRpc()
+ private void AllowOneRpc(CompletionQueueSafeHandle cq)
{
if (!shutdownRequested)
{
- handle.RequestCall(HandleNewServerRpc, environment);
+ handle.RequestCall((success, ctx) => HandleNewServerRpc(success, ctx, cq), cq);
}
}
@@ -265,7 +274,7 @@ namespace Grpc.Core
/// <summary>
/// Selects corresponding handler for given call and handles the call.
/// </summary>
- private async Task HandleCallAsync(ServerRpcNew newRpc)
+ private async Task HandleCallAsync(ServerRpcNew newRpc, CompletionQueueSafeHandle cq)
{
try
{
@@ -274,7 +283,7 @@ namespace Grpc.Core
{
callHandler = NoSuchMethodCallHandler.Instance;
}
- await callHandler.HandleCall(newRpc, environment).ConfigureAwait(false);
+ await callHandler.HandleCall(newRpc, cq).ConfigureAwait(false);
}
catch (Exception e)
{
@@ -285,9 +294,9 @@ namespace Grpc.Core
/// <summary>
/// Handles the native callback.
/// </summary>
- private void HandleNewServerRpc(bool success, BatchContextSafeHandle ctx)
+ private void HandleNewServerRpc(bool success, BatchContextSafeHandle ctx, CompletionQueueSafeHandle cq)
{
- Task.Run(() => AllowOneRpc());
+ Task.Run(() => AllowOneRpc(cq));
if (success)
{
@@ -296,7 +305,7 @@ namespace Grpc.Core
// after server shutdown, the callback returns with null call
if (!newRpc.Call.IsInvalid)
{
- HandleCallAsync(newRpc); // we don't need to await.
+ HandleCallAsync(newRpc, cq); // we don't need to await.
}
}
}
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
index 1541cfd7bb..aea40afee2 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
@@ -471,8 +471,16 @@ namespace Grpc.IntegrationTesting
cts.Cancel();
- var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
- Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
+ try
+ {
+ // cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
+ await call.ResponseStream.MoveNext();
+ Assert.Fail();
+ }
+ catch (RpcException ex)
+ {
+ Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
+ }
}
Console.WriteLine("Passed!");
}
@@ -497,9 +505,16 @@ namespace Grpc.IntegrationTesting
// Deadline was reached before write has started. Eat the exception and continue.
}
- var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext());
- // We can't guarantee the status code always DeadlineExceeded. See issue #2685.
- Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal });
+ try
+ {
+ await call.ResponseStream.MoveNext();
+ Assert.Fail();
+ }
+ catch (RpcException ex)
+ {
+ // We can't guarantee the status code always DeadlineExceeded. See issue #2685.
+ Assert.Contains(ex.Status.StatusCode, new[] { StatusCode.DeadlineExceeded, StatusCode.Internal });
+ }
}
Console.WriteLine("Passed!");
}
@@ -577,9 +592,17 @@ namespace Grpc.IntegrationTesting
await call.RequestStream.WriteAsync(request);
await call.RequestStream.CompleteAsync();
- var e = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.ToListAsync());
- Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
- Assert.AreEqual(echoStatus.Message, e.Status.Detail);
+ try
+ {
+ // cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
+ await call.ResponseStream.ToListAsync();
+ Assert.Fail();
+ }
+ catch (RpcException e)
+ {
+ Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
+ Assert.AreEqual(echoStatus.Message, e.Status.Detail);
+ }
}
Console.WriteLine("Passed!");
diff --git a/src/csharp/ext/grpc_csharp_ext.c b/src/csharp/ext/grpc_csharp_ext.c
index 5b8ff9b819..4beef9ded8 100644
--- a/src/csharp/ext/grpc_csharp_ext.c
+++ b/src/csharp/ext/grpc_csharp_ext.c
@@ -806,11 +806,14 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_set_credentials(
/* Server */
GPR_EXPORT grpc_server *GPR_CALLTYPE
-grpcsharp_server_create(grpc_completion_queue *cq,
- const grpc_channel_args *args) {
- grpc_server *server = grpc_server_create(args, NULL);
+grpcsharp_server_create(const grpc_channel_args *args) {
+ return grpc_server_create(args, NULL);
+}
+
+GPR_EXPORT void GPR_CALLTYPE
+grpcsharp_server_register_completion_queue(grpc_server *server,
+ grpc_completion_queue *cq) {
grpc_server_register_completion_queue(server, cq, NULL);
- return server;
}
GPR_EXPORT int32_t GPR_CALLTYPE
diff --git a/src/node/ext/server.cc b/src/node/ext/server.cc
index b9e1fe9160..dd1b777ac8 100644
--- a/src/node/ext/server.cc
+++ b/src/node/ext/server.cc
@@ -35,15 +35,15 @@
#include "server.h"
-#include <node.h>
#include <nan.h>
+#include <node.h>
#include <vector>
+#include "call.h"
+#include "completion_queue_async_worker.h"
#include "grpc/grpc.h"
#include "grpc/grpc_security.h"
#include "grpc/support/log.h"
-#include "call.h"
-#include "completion_queue_async_worker.h"
#include "server_credentials.h"
#include "timeval.h"
@@ -100,8 +100,8 @@ class NewCallOp : public Op {
Nan::Set(obj, Nan::New("host").ToLocalChecked(),
Nan::New(details.host).ToLocalChecked());
Nan::Set(obj, Nan::New("deadline").ToLocalChecked(),
- Nan::New<Date>(
- TimespecToMilliseconds(details.deadline)).ToLocalChecked());
+ Nan::New<Date>(TimespecToMilliseconds(details.deadline))
+ .ToLocalChecked());
Nan::Set(obj, Nan::New("metadata").ToLocalChecked(),
ParseMetadata(&request_metadata));
return scope.Escape(obj);
@@ -117,14 +117,13 @@ class NewCallOp : public Op {
grpc_metadata_array request_metadata;
protected:
- std::string GetTypeString() const {
- return "new_call";
- }
+ std::string GetTypeString() const { return "new_call"; }
};
Server::Server(grpc_server *server) : wrapped_server(server) {
shutdown_queue = grpc_completion_queue_create(NULL);
- grpc_server_register_completion_queue(server, shutdown_queue, NULL);
+ grpc_server_register_non_listening_completion_queue(server, shutdown_queue,
+ NULL);
}
Server::~Server() {
@@ -156,8 +155,7 @@ bool Server::HasInstance(Local<Value> val) {
}
void Server::ShutdownServer() {
- grpc_server_shutdown_and_notify(this->wrapped_server,
- this->shutdown_queue,
+ grpc_server_shutdown_and_notify(this->wrapped_server, this->shutdown_queue,
NULL);
grpc_server_cancel_all_calls(this->wrapped_server);
grpc_completion_queue_pluck(this->shutdown_queue, NULL,
@@ -170,8 +168,8 @@ NAN_METHOD(Server::New) {
if (!info.IsConstructCall()) {
const int argc = 1;
Local<Value> argv[argc] = {info[0]};
- MaybeLocal<Object> maybe_instance = constructor->GetFunction()->NewInstance(
- argc, argv);
+ MaybeLocal<Object> maybe_instance =
+ constructor->GetFunction()->NewInstance(argc, argv);
if (maybe_instance.IsEmpty()) {
// There's probably a pending exception
return;
@@ -185,8 +183,9 @@ NAN_METHOD(Server::New) {
grpc_channel_args *channel_args;
if (!ParseChannelArgs(info[0], &channel_args)) {
DeallocateChannelArgs(channel_args);
- return Nan::ThrowTypeError("Server options must be an object with "
- "string keys and integer or string values");
+ return Nan::ThrowTypeError(
+ "Server options must be an object with "
+ "string keys and integer or string values");
}
wrapped_server = grpc_server_create(channel_args, NULL);
DeallocateChannelArgs(channel_args);
@@ -218,8 +217,7 @@ NAN_METHOD(Server::RequestCall) {
NAN_METHOD(Server::AddHttp2Port) {
if (!HasInstance(info.This())) {
- return Nan::ThrowTypeError(
- "addHttp2Port can only be called on a Server");
+ return Nan::ThrowTypeError("addHttp2Port can only be called on a Server");
}
if (!info[0]->IsString()) {
return Nan::ThrowTypeError(
@@ -239,8 +237,7 @@ NAN_METHOD(Server::AddHttp2Port) {
*Utf8String(info[0]));
} else {
port = grpc_server_add_secure_http2_port(server->wrapped_server,
- *Utf8String(info[0]),
- creds);
+ *Utf8String(info[0]), creds);
}
info.GetReturnValue().Set(Nan::New<Number>(port));
}
@@ -262,8 +259,7 @@ NAN_METHOD(Server::TryShutdown) {
Server *server = ObjectWrap::Unwrap<Server>(info.This());
unique_ptr<OpVec> ops(new OpVec());
grpc_server_shutdown_and_notify(
- server->wrapped_server,
- CompletionQueueAsyncWorker::GetQueue(),
+ server->wrapped_server, CompletionQueueAsyncWorker::GetQueue(),
new struct tag(new Nan::Callback(info[0].As<Function>()), ops.release(),
shared_ptr<Resources>(nullptr)));
CompletionQueueAsyncWorker::Next();
diff --git a/src/objective-c/CronetFramework.podspec b/src/objective-c/CronetFramework.podspec
new file mode 100644
index 0000000000..20af7647f7
--- /dev/null
+++ b/src/objective-c/CronetFramework.podspec
@@ -0,0 +1,43 @@
+# Copyright 2016, 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.
+
+
+Pod::Spec.new do |s|
+ s.name = "CronetFramework"
+ s.version = "0.0.2"
+ s.summary = "Cronet, precompiled and used as a framework."
+ s.homepage = "http://chromium.org"
+ s.license = { :type => 'BSD' }
+ s.vendored_framework = "Cronet.framework"
+ s.author = "The Chromium Authors"
+ s.ios.deployment_target = "8.0"
+ s.source = { :http => 'https://storage.googleapis.com/grpc-precompiled-binaries/cronet/Cronet.framework.zip' }
+ s.preserve_paths = "Cronet.framework"
+ s.public_header_files = "Cronet.framework/Headers/**/*{.h}"
+end
diff --git a/src/objective-c/GRPCClient/GRPCCall+Cronet.h b/src/objective-c/GRPCClient/GRPCCall+Cronet.h
new file mode 100644
index 0000000000..7f7fc6c2a9
--- /dev/null
+++ b/src/objective-c/GRPCClient/GRPCCall+Cronet.h
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright 2016, 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.
+ *
+ */
+#import <Cronet/Cronet.h>
+
+#import "GRPCCall.h"
+
+/**
+ * Methods for using cronet transport.
+ */
+@interface GRPCCall (Cronet)
+
+/**
+ * This method should be called before issuing the first RPC. It should be
+ * called only once. Create an instance of Cronet engine in your app elsewhere
+ * and pass the instance pointer in the cronet_engine parameter. Once set,
+ * all subsequent RPCs will use Cronet transport. The method is not thread
+ * safe.
+ */
++(void)useCronetWithEngine:(cronet_engine *)engine;
+
++(cronet_engine *)cronetEngine;
+
++(BOOL)isUsingCronet;
+
+@end
diff --git a/src/objective-c/GRPCClient/GRPCCall+Cronet.m b/src/objective-c/GRPCClient/GRPCCall+Cronet.m
new file mode 100644
index 0000000000..69a410e95a
--- /dev/null
+++ b/src/objective-c/GRPCClient/GRPCCall+Cronet.m
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright 2016, 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.
+ *
+ */
+
+#import "GRPCCall+Cronet.h"
+
+static BOOL useCronet = NO;
+static cronet_engine *globalCronetEngine;
+
+@implementation GRPCCall (Cronet)
+
++ (void)useCronetWithEngine:(cronet_engine *)engine {
+ useCronet = YES;
+ globalCronetEngine = engine;
+}
+
++ (cronet_engine *)cronetEngine {
+ return globalCronetEngine;
+}
+
++ (BOOL)isUsingCronet {
+ return useCronet;
+}
+
+@end
diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.h b/src/objective-c/GRPCClient/private/GRPCChannel.h
index 70d1a9bd2f..3219835d02 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.h
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.h
@@ -56,6 +56,12 @@ struct grpc_channel_credentials;
+ (nullable GRPCChannel *)secureChannelWithHost:(nonnull NSString *)host;
/**
+ * Creates a secure channel to the specified @c host using Cronet as a transport mechanism.
+ */
++ (nullable GRPCChannel *)secureCronetChannelWithHost:(NSString *)host
+ channelArgs:(NSDictionary *)channelArgs;
+
+/**
* Creates a secure channel to the specified @c host using the specified @c credentials and
* @c channelArgs. Only in tests should @c GRPC_SSL_TARGET_NAME_OVERRIDE_ARG channel arg be set.
*/
diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.m b/src/objective-c/GRPCClient/private/GRPCChannel.m
index 203ef58c0d..e4e0dbe6d2 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.m
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.m
@@ -34,10 +34,13 @@
#import "GRPCChannel.h"
#include <grpc/grpc_security.h>
+#include <grpc/grpc_cronet.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
+#import <Cronet/Cronet.h>
+#import <GRPCClient/GRPCCall+Cronet.h>
#import "GRPCCompletionQueue.h"
void freeChannelArgs(grpc_channel_args *channel_args) {
@@ -99,6 +102,22 @@ grpc_channel_args * buildChannelArgs(NSDictionary *dictionary) {
grpc_channel_args *_channelArgs;
}
+- (instancetype)initWithHost:(NSString *)host
+ cronetEngine:(cronet_engine *)cronetEngine
+ channelArgs:(NSDictionary *)channelArgs {
+ if (!host) {
+ [NSException raise:NSInvalidArgumentException format:@"host argument missing"];
+ }
+
+ if (self = [super init]) {
+ _channelArgs = buildChannelArgs(channelArgs);
+ _host = [host copy];
+ _unmanagedChannel = grpc_cronet_secure_channel_create(cronetEngine, _host.UTF8String, _channelArgs,
+ NULL);
+ }
+
+ return self;
+}
- (instancetype)initWithHost:(NSString *)host
secure:(BOOL)secure
@@ -133,6 +152,17 @@ grpc_channel_args * buildChannelArgs(NSDictionary *dictionary) {
freeChannelArgs(_channelArgs);
}
++ (GRPCChannel *)secureCronetChannelWithHost:(NSString *)host
+ channelArgs:(NSDictionary *)channelArgs {
+ cronet_engine *engine = [GRPCCall cronetEngine];
+ if (!engine) {
+ [NSException raise:NSInvalidArgumentException
+ format:@"cronet_engine is NULL. Set it first."];
+ return nil;
+ }
+ return [[GRPCChannel alloc] initWithHost:host cronetEngine:engine channelArgs:channelArgs];
+}
+
+ (GRPCChannel *)secureChannelWithHost:(NSString *)host {
return [[GRPCChannel alloc] initWithHost:host secure:YES credentials:NULL channelArgs:NULL];
}
diff --git a/src/objective-c/GRPCClient/private/GRPCHost.m b/src/objective-c/GRPCClient/private/GRPCHost.m
index 43166cbb52..7da508810c 100644
--- a/src/objective-c/GRPCClient/private/GRPCHost.m
+++ b/src/objective-c/GRPCClient/private/GRPCHost.m
@@ -37,6 +37,7 @@
#include <grpc/grpc_security.h>
#import <GRPCClient/GRPCCall.h>
#import <GRPCClient/GRPCCall+ChannelArg.h>
+#import <GRPCClient/GRPCCall+Cronet.h>
#import "GRPCChannel.h"
#import "GRPCCompletionQueue.h"
@@ -200,15 +201,21 @@ NS_ASSUME_NONNULL_BEGIN
- (GRPCChannel *)newChannel {
NSDictionary *args = [self channelArgs];
+ BOOL useCronet = [GRPCCall isUsingCronet];
if (_secure) {
GRPCChannel *channel;
@synchronized(self) {
if (_channelCreds == nil) {
[self setTLSPEMRootCerts:nil withPrivateKey:nil withCertChain:nil error:nil];
}
- channel = [GRPCChannel secureChannelWithHost:_address
- credentials:_channelCreds
- channelArgs:args];
+ if (useCronet) {
+ channel = [GRPCChannel secureCronetChannelWithHost:_address
+ channelArgs:args];
+ } else {
+ channel = [GRPCChannel secureChannelWithHost:_address
+ credentials:_channelCreds
+ channelArgs:args];
+ }
}
return channel;
} else {
diff --git a/src/objective-c/tests/InteropTests.m b/src/objective-c/tests/InteropTests.m
index 4f096b9efa..781c500f73 100644
--- a/src/objective-c/tests/InteropTests.m
+++ b/src/objective-c/tests/InteropTests.m
@@ -35,7 +35,9 @@
#include <grpc/status.h>
+#import <Cronet/Cronet.h>
#import <GRPCClient/GRPCCall+Tests.h>
+#import <GRPCClient/GRPCCall+Cronet.h>
#import <ProtoRPC/ProtoRPC.h>
#import <RemoteTest/Empty.pbobjc.h>
#import <RemoteTest/Messages.pbobjc.h>
@@ -78,6 +80,8 @@
#pragma mark Tests
+static cronet_engine *cronetEngine = NULL;
+
@implementation InteropTests {
RMTTestService *_service;
}
@@ -88,6 +92,15 @@
- (void)setUp {
_service = self.class.host ? [RMTTestService serviceWithHost:self.class.host] : nil;
+#ifdef GRPC_COMPILE_WITH_CRONET
+ if (cronetEngine == NULL) {
+ // Cronet setup
+ [Cronet setHttp2Enabled:YES];
+ [Cronet start];
+ cronetEngine = [Cronet getGlobalEngine];
+ [GRPCCall useCronetWithEngine:cronetEngine];
+ }
+#endif
}
- (void)testEmptyUnaryRPC {
@@ -245,6 +258,8 @@
[self waitForExpectationsWithTimeout:4 handler:nil];
}
+#ifndef GRPC_COMPILE_WITH_CRONET
+// TODO(makdharma@): Fix this test
- (void)testEmptyStreamRPC {
XCTAssertNotNil(self.class.host);
__weak XCTestExpectation *expectation = [self expectationWithDescription:@"EmptyStream"];
@@ -258,6 +273,7 @@
}];
[self waitForExpectationsWithTimeout:2 handler:nil];
}
+#endif
- (void)testCancelAfterBeginRPC {
XCTAssertNotNil(self.class.host);
diff --git a/src/objective-c/tests/Podfile b/src/objective-c/tests/Podfile
index 7ec7a25898..508641d681 100644
--- a/src/objective-c/tests/Podfile
+++ b/src/objective-c/tests/Podfile
@@ -3,6 +3,7 @@ platform :ios, '8.0'
pod 'Protobuf', :path => "../../../third_party/protobuf"
pod 'BoringSSL', :podspec => ".."
+pod 'CronetFramework', :podspec => ".."
pod 'gRPC', :path => "../../.."
pod 'RemoteTest', :path => "RemoteTestClient"
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
index 66e6e6b549..d42c58050f 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
@@ -336,6 +336,8 @@ cdef extern from "grpc/_cython/loader.h":
void grpc_server_register_completion_queue(grpc_server *server,
grpc_completion_queue *cq,
void *reserved) nogil
+ void grpc_server_register_non_listening_completion_queue(
+ grpc_server *server, grpc_completion_queue *cq, void *reserved) nogil
int grpc_server_add_insecure_http2_port(
grpc_server *server, const char *addr) nogil
void grpc_server_start(grpc_server *server) nogil
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
index 8419a59068..55948755b2 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/server.pyx.pxi
@@ -81,11 +81,20 @@ cdef class Server:
self.c_server, queue.c_completion_queue, NULL)
self.registered_completion_queues.append(queue)
+ def register_non_listening_completion_queue(
+ self, CompletionQueue queue not None):
+ if self.is_started:
+ raise ValueError("cannot register completion queues after start")
+ with nogil:
+ grpc_server_register_non_listening_completion_queue(
+ self.c_server, queue.c_completion_queue, NULL)
+ self.registered_completion_queues.append(queue)
+
def start(self):
if self.is_started:
raise ValueError("the server has already started")
self.backup_shutdown_queue = CompletionQueue()
- self.register_completion_queue(self.backup_shutdown_queue)
+ self.register_non_listening_completion_queue(self.backup_shutdown_queue)
self.is_started = True
with nogil:
grpc_server_start(self.c_server)
@@ -169,4 +178,3 @@ cdef class Server:
time.sleep(0)
with nogil:
grpc_server_destroy(self.c_server)
-