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-rw-r--r--doc/python/sphinx/conf.py3
-rw-r--r--doc/python/sphinx/grpc_channelz.rst12
-rw-r--r--doc/python/sphinx/index.rst1
-rw-r--r--include/grpc/impl/codegen/grpc_types.h2
-rw-r--r--include/grpcpp/generic/generic_stub.h5
-rw-r--r--include/grpcpp/impl/codegen/callback_common.h8
-rw-r--r--include/grpcpp/impl/codegen/channel_interface.h12
-rw-r--r--include/grpcpp/impl/codegen/client_callback.h641
-rw-r--r--include/grpcpp/impl/codegen/client_context.h12
-rw-r--r--src/compiler/cpp_generator.cc78
-rw-r--r--src/core/ext/transport/chttp2/transport/context_list.cc1
-rw-r--r--src/core/ext/transport/chttp2/transport/context_list.h2
-rw-r--r--src/core/ext/transport/chttp2/transport/internal.h2
-rw-r--r--src/core/ext/transport/chttp2/transport/writing.cc7
-rw-r--r--src/core/lib/iomgr/buffer_list.cc3
-rw-r--r--src/core/lib/iomgr/buffer_list.h4
-rw-r--r--src/core/lib/iomgr/fork_posix.cc2
-rw-r--r--src/core/lib/iomgr/tcp_posix.cc21
-rw-r--r--src/cpp/client/generic_stub.cc9
-rw-r--r--src/proto/grpc/channelz/BUILD7
-rw-r--r--src/proto/grpc/health/v1/BUILD1
-rw-r--r--src/proto/grpc/testing/compiler_test.proto3
-rw-r--r--src/python/grpcio/grpc/_cython/BUILD.bazel1
-rw-r--r--src/python/grpcio/grpc/_cython/_cygrpc/channelz.pyx.pxi69
-rw-r--r--src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi10
-rw-r--r--src/python/grpcio/grpc/_cython/cygrpc.pyx1
-rw-r--r--src/python/grpcio_channelz/.gitignore6
-rw-r--r--src/python/grpcio_channelz/MANIFEST.in3
-rw-r--r--src/python/grpcio_channelz/README.rst9
-rw-r--r--src/python/grpcio_channelz/channelz_commands.py63
-rw-r--r--src/python/grpcio_channelz/grpc_channelz/__init__.py13
-rw-r--r--src/python/grpcio_channelz/grpc_channelz/v1/BUILD.bazel38
-rw-r--r--src/python/grpcio_channelz/grpc_channelz/v1/__init__.py13
-rw-r--r--src/python/grpcio_channelz/grpc_channelz/v1/channelz.py141
-rw-r--r--src/python/grpcio_channelz/grpc_version.py17
-rw-r--r--src/python/grpcio_channelz/setup.py96
-rw-r--r--src/python/grpcio_tests/commands.py7
-rw-r--r--src/python/grpcio_tests/setup.py1
-rw-r--r--src/python/grpcio_tests/tests/channelz/BUILD.bazel15
-rw-r--r--src/python/grpcio_tests/tests/channelz/__init__.py13
-rw-r--r--src/python/grpcio_tests/tests/channelz/_channelz_servicer_test.py494
-rw-r--r--src/python/grpcio_tests/tests/tests.json1
-rw-r--r--templates/src/python/grpcio_channelz/grpc_version.py.template19
-rw-r--r--test/core/transport/chttp2/context_list_test.cc12
-rw-r--r--test/cpp/codegen/compiler_test_golden7
-rw-r--r--test/cpp/end2end/client_callback_end2end_test.cc218
-rw-r--r--test/cpp/end2end/test_service_impl.cc1
-rwxr-xr-xtools/distrib/pylint_code.sh1
-rwxr-xr-xtools/run_tests/artifacts/build_artifact_python.sh5
-rwxr-xr-xtools/run_tests/helper_scripts/build_python.sh5
50 files changed, 2081 insertions, 34 deletions
diff --git a/doc/python/sphinx/conf.py b/doc/python/sphinx/conf.py
index 1eb3a5de7f..307c3bdaf6 100644
--- a/doc/python/sphinx/conf.py
+++ b/doc/python/sphinx/conf.py
@@ -19,6 +19,7 @@ import sys
PYTHON_FOLDER = os.path.join(os.path.dirname(os.path.realpath(__file__)),
'..', '..', '..', 'src', 'python')
sys.path.insert(0, os.path.join(PYTHON_FOLDER, 'grpcio'))
+sys.path.insert(0, os.path.join(PYTHON_FOLDER, 'grpcio_channelz'))
sys.path.insert(0, os.path.join(PYTHON_FOLDER, 'grpcio_health_checking'))
sys.path.insert(0, os.path.join(PYTHON_FOLDER, 'grpcio_reflection'))
sys.path.insert(0, os.path.join(PYTHON_FOLDER, 'grpcio_testing'))
@@ -63,6 +64,8 @@ autodoc_default_options = {
autodoc_mock_imports = [
'grpc._cython',
+ 'grpc_channelz.v1.channelz_pb2',
+ 'grpc_channelz.v1.channelz_pb2_grpc',
'grpc_health.v1.health_pb2',
'grpc_health.v1.health_pb2_grpc',
'grpc_reflection.v1alpha.reflection_pb2',
diff --git a/doc/python/sphinx/grpc_channelz.rst b/doc/python/sphinx/grpc_channelz.rst
new file mode 100644
index 0000000000..f65793a071
--- /dev/null
+++ b/doc/python/sphinx/grpc_channelz.rst
@@ -0,0 +1,12 @@
+gRPC Channelz
+====================
+
+What is gRPC Channelz?
+---------------------------------------------
+
+Design Document `gRPC Channelz <https://github.com/grpc/proposal/blob/master/A14-channelz.md>`_
+
+Module Contents
+---------------
+
+.. automodule:: grpc_channelz.v1.channelz
diff --git a/doc/python/sphinx/index.rst b/doc/python/sphinx/index.rst
index 322ca33e15..2f8a47a074 100644
--- a/doc/python/sphinx/index.rst
+++ b/doc/python/sphinx/index.rst
@@ -10,6 +10,7 @@ API Reference
:caption: Contents:
grpc
+ grpc_channelz
grpc_health_checking
grpc_reflection
grpc_testing
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index 17a43fab0f..d1cc6af04f 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -293,7 +293,7 @@ typedef struct {
"grpc.max_channel_trace_event_memory_per_node"
/** If non-zero, gRPC library will track stats and information at at per channel
* level. Disabling channelz naturally disables channel tracing. The default
- * is for channelz to be disabled. */
+ * is for channelz to be enabled. */
#define GRPC_ARG_ENABLE_CHANNELZ "grpc.enable_channelz"
/** If non-zero, Cronet transport will coalesce packets to fewer frames
* when possible. */
diff --git a/include/grpcpp/generic/generic_stub.h b/include/grpcpp/generic/generic_stub.h
index d509d9a520..eb014184e4 100644
--- a/include/grpcpp/generic/generic_stub.h
+++ b/include/grpcpp/generic/generic_stub.h
@@ -24,6 +24,7 @@
#include <grpcpp/support/async_stream.h>
#include <grpcpp/support/async_unary_call.h>
#include <grpcpp/support/byte_buffer.h>
+#include <grpcpp/support/client_callback.h>
#include <grpcpp/support/status.h>
namespace grpc {
@@ -76,6 +77,10 @@ class GenericStub final {
const ByteBuffer* request, ByteBuffer* response,
std::function<void(Status)> on_completion);
+ void PrepareBidiStreamingCall(
+ ClientContext* context, const grpc::string& method,
+ experimental::ClientBidiReactor<ByteBuffer, ByteBuffer>* reactor);
+
private:
GenericStub* stub_;
};
diff --git a/include/grpcpp/impl/codegen/callback_common.h b/include/grpcpp/impl/codegen/callback_common.h
index 51367cf550..f7a24204dc 100644
--- a/include/grpcpp/impl/codegen/callback_common.h
+++ b/include/grpcpp/impl/codegen/callback_common.h
@@ -145,18 +145,19 @@ class CallbackWithSuccessTag
// or on a tag that has been Set before unless the tag has been cleared.
void Set(grpc_call* call, std::function<void(bool)> f,
CompletionQueueTag* ops) {
+ GPR_CODEGEN_ASSERT(call_ == nullptr);
+ g_core_codegen_interface->grpc_call_ref(call);
call_ = call;
func_ = std::move(f);
ops_ = ops;
- g_core_codegen_interface->grpc_call_ref(call);
functor_run = &CallbackWithSuccessTag::StaticRun;
}
void Clear() {
if (call_ != nullptr) {
- func_ = nullptr;
grpc_call* call = call_;
call_ = nullptr;
+ func_ = nullptr;
g_core_codegen_interface->grpc_call_unref(call);
}
}
@@ -182,10 +183,9 @@ class CallbackWithSuccessTag
}
void Run(bool ok) {
void* ignored = ops_;
- bool new_ok = ok;
// Allow a "false" return value from FinalizeResult to silence the
// callback, just as it silences a CQ tag in the async cases
- bool do_callback = ops_->FinalizeResult(&ignored, &new_ok);
+ bool do_callback = ops_->FinalizeResult(&ignored, &ok);
GPR_CODEGEN_ASSERT(ignored == ops_);
if (do_callback) {
diff --git a/include/grpcpp/impl/codegen/channel_interface.h b/include/grpcpp/impl/codegen/channel_interface.h
index 6ec1ffb8c7..728a7b9049 100644
--- a/include/grpcpp/impl/codegen/channel_interface.h
+++ b/include/grpcpp/impl/codegen/channel_interface.h
@@ -53,6 +53,12 @@ template <class W, class R>
class ClientAsyncReaderWriterFactory;
template <class R>
class ClientAsyncResponseReaderFactory;
+template <class W, class R>
+class ClientCallbackReaderWriterFactory;
+template <class R>
+class ClientCallbackReaderFactory;
+template <class W>
+class ClientCallbackWriterFactory;
class InterceptedChannel;
} // namespace internal
@@ -106,6 +112,12 @@ class ChannelInterface {
friend class ::grpc::internal::ClientAsyncReaderWriterFactory;
template <class R>
friend class ::grpc::internal::ClientAsyncResponseReaderFactory;
+ template <class W, class R>
+ friend class ::grpc::internal::ClientCallbackReaderWriterFactory;
+ template <class R>
+ friend class ::grpc::internal::ClientCallbackReaderFactory;
+ template <class W>
+ friend class ::grpc::internal::ClientCallbackWriterFactory;
template <class InputMessage, class OutputMessage>
friend class ::grpc::internal::BlockingUnaryCallImpl;
template <class InputMessage, class OutputMessage>
diff --git a/include/grpcpp/impl/codegen/client_callback.h b/include/grpcpp/impl/codegen/client_callback.h
index 4baa819091..4d9579fd6a 100644
--- a/include/grpcpp/impl/codegen/client_callback.h
+++ b/include/grpcpp/impl/codegen/client_callback.h
@@ -22,6 +22,7 @@
#include <functional>
#include <grpcpp/impl/codegen/call.h>
+#include <grpcpp/impl/codegen/call_op_set.h>
#include <grpcpp/impl/codegen/callback_common.h>
#include <grpcpp/impl/codegen/channel_interface.h>
#include <grpcpp/impl/codegen/config.h>
@@ -88,6 +89,646 @@ class CallbackUnaryCallImpl {
call.PerformOps(ops);
}
};
+} // namespace internal
+
+namespace experimental {
+
+// Forward declarations
+template <class Request, class Response>
+class ClientBidiReactor;
+template <class Response>
+class ClientReadReactor;
+template <class Request>
+class ClientWriteReactor;
+
+// NOTE: The streaming objects are not actually implemented in the public API.
+// These interfaces are provided for mocking only. Typical applications
+// will interact exclusively with the reactors that they define.
+template <class Request, class Response>
+class ClientCallbackReaderWriter {
+ public:
+ virtual ~ClientCallbackReaderWriter() {}
+ virtual void StartCall() = 0;
+ virtual void Write(const Request* req, WriteOptions options) = 0;
+ virtual void WritesDone() = 0;
+ virtual void Read(Response* resp) = 0;
+
+ protected:
+ void BindReactor(ClientBidiReactor<Request, Response>* reactor) {
+ reactor->BindStream(this);
+ }
+};
+
+template <class Response>
+class ClientCallbackReader {
+ public:
+ virtual ~ClientCallbackReader() {}
+ virtual void StartCall() = 0;
+ virtual void Read(Response* resp) = 0;
+
+ protected:
+ void BindReactor(ClientReadReactor<Response>* reactor) {
+ reactor->BindReader(this);
+ }
+};
+
+template <class Request>
+class ClientCallbackWriter {
+ public:
+ virtual ~ClientCallbackWriter() {}
+ virtual void StartCall() = 0;
+ void Write(const Request* req) { Write(req, WriteOptions()); }
+ virtual void Write(const Request* req, WriteOptions options) = 0;
+ void WriteLast(const Request* req, WriteOptions options) {
+ Write(req, options.set_last_message());
+ }
+ virtual void WritesDone() = 0;
+
+ protected:
+ void BindReactor(ClientWriteReactor<Request>* reactor) {
+ reactor->BindWriter(this);
+ }
+};
+
+// The user must implement this reactor interface with reactions to each event
+// type that gets called by the library. An empty reaction is provided by
+// default
+template <class Request, class Response>
+class ClientBidiReactor {
+ public:
+ virtual ~ClientBidiReactor() {}
+ virtual void OnDone(const Status& s) {}
+ virtual void OnReadInitialMetadataDone(bool ok) {}
+ virtual void OnReadDone(bool ok) {}
+ virtual void OnWriteDone(bool ok) {}
+ virtual void OnWritesDoneDone(bool ok) {}
+
+ void StartCall() { stream_->StartCall(); }
+ void StartRead(Response* resp) { stream_->Read(resp); }
+ void StartWrite(const Request* req) { StartWrite(req, WriteOptions()); }
+ void StartWrite(const Request* req, WriteOptions options) {
+ stream_->Write(req, std::move(options));
+ }
+ void StartWriteLast(const Request* req, WriteOptions options) {
+ StartWrite(req, std::move(options.set_last_message()));
+ }
+ void StartWritesDone() { stream_->WritesDone(); }
+
+ private:
+ friend class ClientCallbackReaderWriter<Request, Response>;
+ void BindStream(ClientCallbackReaderWriter<Request, Response>* stream) {
+ stream_ = stream;
+ }
+ ClientCallbackReaderWriter<Request, Response>* stream_;
+};
+
+template <class Response>
+class ClientReadReactor {
+ public:
+ virtual ~ClientReadReactor() {}
+ virtual void OnDone(const Status& s) {}
+ virtual void OnReadInitialMetadataDone(bool ok) {}
+ virtual void OnReadDone(bool ok) {}
+
+ void StartCall() { reader_->StartCall(); }
+ void StartRead(Response* resp) { reader_->Read(resp); }
+
+ private:
+ friend class ClientCallbackReader<Response>;
+ void BindReader(ClientCallbackReader<Response>* reader) { reader_ = reader; }
+ ClientCallbackReader<Response>* reader_;
+};
+
+template <class Request>
+class ClientWriteReactor {
+ public:
+ virtual ~ClientWriteReactor() {}
+ virtual void OnDone(const Status& s) {}
+ virtual void OnReadInitialMetadataDone(bool ok) {}
+ virtual void OnWriteDone(bool ok) {}
+ virtual void OnWritesDoneDone(bool ok) {}
+
+ void StartCall() { writer_->StartCall(); }
+ void StartWrite(const Request* req) { StartWrite(req, WriteOptions()); }
+ void StartWrite(const Request* req, WriteOptions options) {
+ writer_->Write(req, std::move(options));
+ }
+ void StartWriteLast(const Request* req, WriteOptions options) {
+ StartWrite(req, std::move(options.set_last_message()));
+ }
+ void StartWritesDone() { writer_->WritesDone(); }
+
+ private:
+ friend class ClientCallbackWriter<Request>;
+ void BindWriter(ClientCallbackWriter<Request>* writer) { writer_ = writer; }
+ ClientCallbackWriter<Request>* writer_;
+};
+
+} // namespace experimental
+
+namespace internal {
+
+// Forward declare factory classes for friendship
+template <class Request, class Response>
+class ClientCallbackReaderWriterFactory;
+template <class Response>
+class ClientCallbackReaderFactory;
+template <class Request>
+class ClientCallbackWriterFactory;
+
+template <class Request, class Response>
+class ClientCallbackReaderWriterImpl
+ : public ::grpc::experimental::ClientCallbackReaderWriter<Request,
+ Response> {
+ public:
+ // always allocated against a call arena, no memory free required
+ static void operator delete(void* ptr, std::size_t size) {
+ assert(size == sizeof(ClientCallbackReaderWriterImpl));
+ }
+
+ // This operator should never be called as the memory should be freed as part
+ // of the arena destruction. It only exists to provide a matching operator
+ // delete to the operator new so that some compilers will not complain (see
+ // https://github.com/grpc/grpc/issues/11301) Note at the time of adding this
+ // there are no tests catching the compiler warning.
+ static void operator delete(void*, void*) { assert(0); }
+
+ void MaybeFinish() {
+ if (--callbacks_outstanding_ == 0) {
+ reactor_->OnDone(finish_status_);
+ auto* call = call_.call();
+ this->~ClientCallbackReaderWriterImpl();
+ g_core_codegen_interface->grpc_call_unref(call);
+ }
+ }
+
+ void StartCall() override {
+ // This call initiates two batches, plus any backlog, each with a callback
+ // 1. Send initial metadata (unless corked) + recv initial metadata
+ // 2. Any read backlog
+ // 3. Recv trailing metadata, on_completion callback
+ // 4. Any write backlog
+ started_ = true;
+
+ start_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnReadInitialMetadataDone(ok);
+ MaybeFinish();
+ },
+ &start_ops_);
+ if (!start_corked_) {
+ start_ops_.SendInitialMetadata(&context_->send_initial_metadata_,
+ context_->initial_metadata_flags());
+ }
+ start_ops_.RecvInitialMetadata(context_);
+ start_ops_.set_core_cq_tag(&start_tag_);
+ call_.PerformOps(&start_ops_);
+
+ // Also set up the read and write tags so that they don't have to be set up
+ // each time
+ write_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnWriteDone(ok);
+ MaybeFinish();
+ },
+ &write_ops_);
+ write_ops_.set_core_cq_tag(&write_tag_);
+
+ read_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnReadDone(ok);
+ MaybeFinish();
+ },
+ &read_ops_);
+ read_ops_.set_core_cq_tag(&read_tag_);
+ if (read_ops_at_start_) {
+ call_.PerformOps(&read_ops_);
+ }
+
+ finish_tag_.Set(call_.call(), [this](bool ok) { MaybeFinish(); },
+ &finish_ops_);
+ finish_ops_.ClientRecvStatus(context_, &finish_status_);
+ finish_ops_.set_core_cq_tag(&finish_tag_);
+ call_.PerformOps(&finish_ops_);
+
+ if (write_ops_at_start_) {
+ call_.PerformOps(&write_ops_);
+ }
+
+ if (writes_done_ops_at_start_) {
+ call_.PerformOps(&writes_done_ops_);
+ }
+ }
+
+ void Read(Response* msg) override {
+ read_ops_.RecvMessage(msg);
+ callbacks_outstanding_++;
+ if (started_) {
+ call_.PerformOps(&read_ops_);
+ } else {
+ read_ops_at_start_ = true;
+ }
+ }
+
+ void Write(const Request* msg, WriteOptions options) override {
+ if (start_corked_) {
+ write_ops_.SendInitialMetadata(&context_->send_initial_metadata_,
+ context_->initial_metadata_flags());
+ start_corked_ = false;
+ }
+ // TODO(vjpai): don't assert
+ GPR_CODEGEN_ASSERT(write_ops_.SendMessage(*msg).ok());
+
+ if (options.is_last_message()) {
+ options.set_buffer_hint();
+ write_ops_.ClientSendClose();
+ }
+ callbacks_outstanding_++;
+ if (started_) {
+ call_.PerformOps(&write_ops_);
+ } else {
+ write_ops_at_start_ = true;
+ }
+ }
+ void WritesDone() override {
+ if (start_corked_) {
+ writes_done_ops_.SendInitialMetadata(&context_->send_initial_metadata_,
+ context_->initial_metadata_flags());
+ start_corked_ = false;
+ }
+ writes_done_ops_.ClientSendClose();
+ writes_done_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnWritesDoneDone(ok);
+ MaybeFinish();
+ },
+ &writes_done_ops_);
+ writes_done_ops_.set_core_cq_tag(&writes_done_tag_);
+ callbacks_outstanding_++;
+ if (started_) {
+ call_.PerformOps(&writes_done_ops_);
+ } else {
+ writes_done_ops_at_start_ = true;
+ }
+ }
+
+ private:
+ friend class ClientCallbackReaderWriterFactory<Request, Response>;
+
+ ClientCallbackReaderWriterImpl(
+ Call call, ClientContext* context,
+ ::grpc::experimental::ClientBidiReactor<Request, Response>* reactor)
+ : context_(context),
+ call_(call),
+ reactor_(reactor),
+ start_corked_(context_->initial_metadata_corked_) {
+ this->BindReactor(reactor);
+ }
+
+ ClientContext* context_;
+ Call call_;
+ ::grpc::experimental::ClientBidiReactor<Request, Response>* reactor_;
+
+ CallOpSet<CallOpSendInitialMetadata, CallOpRecvInitialMetadata> start_ops_;
+ CallbackWithSuccessTag start_tag_;
+ bool start_corked_;
+
+ CallOpSet<CallOpClientRecvStatus> finish_ops_;
+ CallbackWithSuccessTag finish_tag_;
+ Status finish_status_;
+
+ CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose>
+ write_ops_;
+ CallbackWithSuccessTag write_tag_;
+ bool write_ops_at_start_{false};
+
+ CallOpSet<CallOpSendInitialMetadata, CallOpClientSendClose> writes_done_ops_;
+ CallbackWithSuccessTag writes_done_tag_;
+ bool writes_done_ops_at_start_{false};
+
+ CallOpSet<CallOpRecvMessage<Response>> read_ops_;
+ CallbackWithSuccessTag read_tag_;
+ bool read_ops_at_start_{false};
+
+ // Minimum of 2 outstanding callbacks to pre-register for start and finish
+ std::atomic_int callbacks_outstanding_{2};
+ bool started_{false};
+};
+
+template <class Request, class Response>
+class ClientCallbackReaderWriterFactory {
+ public:
+ static void Create(
+ ChannelInterface* channel, const ::grpc::internal::RpcMethod& method,
+ ClientContext* context,
+ ::grpc::experimental::ClientBidiReactor<Request, Response>* reactor) {
+ Call call = channel->CreateCall(method, context, channel->CallbackCQ());
+
+ g_core_codegen_interface->grpc_call_ref(call.call());
+ new (g_core_codegen_interface->grpc_call_arena_alloc(
+ call.call(), sizeof(ClientCallbackReaderWriterImpl<Request, Response>)))
+ ClientCallbackReaderWriterImpl<Request, Response>(call, context,
+ reactor);
+ }
+};
+
+template <class Response>
+class ClientCallbackReaderImpl
+ : public ::grpc::experimental::ClientCallbackReader<Response> {
+ public:
+ // always allocated against a call arena, no memory free required
+ static void operator delete(void* ptr, std::size_t size) {
+ assert(size == sizeof(ClientCallbackReaderImpl));
+ }
+
+ // This operator should never be called as the memory should be freed as part
+ // of the arena destruction. It only exists to provide a matching operator
+ // delete to the operator new so that some compilers will not complain (see
+ // https://github.com/grpc/grpc/issues/11301) Note at the time of adding this
+ // there are no tests catching the compiler warning.
+ static void operator delete(void*, void*) { assert(0); }
+
+ void MaybeFinish() {
+ if (--callbacks_outstanding_ == 0) {
+ reactor_->OnDone(finish_status_);
+ auto* call = call_.call();
+ this->~ClientCallbackReaderImpl();
+ g_core_codegen_interface->grpc_call_unref(call);
+ }
+ }
+
+ void StartCall() override {
+ // This call initiates two batches, plus any backlog, each with a callback
+ // 1. Send initial metadata (unless corked) + recv initial metadata
+ // 2. Any backlog
+ // 3. Recv trailing metadata, on_completion callback
+ started_ = true;
+
+ start_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnReadInitialMetadataDone(ok);
+ MaybeFinish();
+ },
+ &start_ops_);
+ start_ops_.SendInitialMetadata(&context_->send_initial_metadata_,
+ context_->initial_metadata_flags());
+ start_ops_.RecvInitialMetadata(context_);
+ start_ops_.set_core_cq_tag(&start_tag_);
+ call_.PerformOps(&start_ops_);
+
+ // Also set up the read tag so it doesn't have to be set up each time
+ read_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnReadDone(ok);
+ MaybeFinish();
+ },
+ &read_ops_);
+ read_ops_.set_core_cq_tag(&read_tag_);
+ if (read_ops_at_start_) {
+ call_.PerformOps(&read_ops_);
+ }
+
+ finish_tag_.Set(call_.call(), [this](bool ok) { MaybeFinish(); },
+ &finish_ops_);
+ finish_ops_.ClientRecvStatus(context_, &finish_status_);
+ finish_ops_.set_core_cq_tag(&finish_tag_);
+ call_.PerformOps(&finish_ops_);
+ }
+
+ void Read(Response* msg) override {
+ read_ops_.RecvMessage(msg);
+ callbacks_outstanding_++;
+ if (started_) {
+ call_.PerformOps(&read_ops_);
+ } else {
+ read_ops_at_start_ = true;
+ }
+ }
+
+ private:
+ friend class ClientCallbackReaderFactory<Response>;
+
+ template <class Request>
+ ClientCallbackReaderImpl(
+ Call call, ClientContext* context, Request* request,
+ ::grpc::experimental::ClientReadReactor<Response>* reactor)
+ : context_(context), call_(call), reactor_(reactor) {
+ this->BindReactor(reactor);
+ // TODO(vjpai): don't assert
+ GPR_CODEGEN_ASSERT(start_ops_.SendMessage(*request).ok());
+ start_ops_.ClientSendClose();
+ }
+
+ ClientContext* context_;
+ Call call_;
+ ::grpc::experimental::ClientReadReactor<Response>* reactor_;
+
+ CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose,
+ CallOpRecvInitialMetadata>
+ start_ops_;
+ CallbackWithSuccessTag start_tag_;
+
+ CallOpSet<CallOpClientRecvStatus> finish_ops_;
+ CallbackWithSuccessTag finish_tag_;
+ Status finish_status_;
+
+ CallOpSet<CallOpRecvMessage<Response>> read_ops_;
+ CallbackWithSuccessTag read_tag_;
+ bool read_ops_at_start_{false};
+
+ // Minimum of 2 outstanding callbacks to pre-register for start and finish
+ std::atomic_int callbacks_outstanding_{2};
+ bool started_{false};
+};
+
+template <class Response>
+class ClientCallbackReaderFactory {
+ public:
+ template <class Request>
+ static void Create(
+ ChannelInterface* channel, const ::grpc::internal::RpcMethod& method,
+ ClientContext* context, const Request* request,
+ ::grpc::experimental::ClientReadReactor<Response>* reactor) {
+ Call call = channel->CreateCall(method, context, channel->CallbackCQ());
+
+ g_core_codegen_interface->grpc_call_ref(call.call());
+ new (g_core_codegen_interface->grpc_call_arena_alloc(
+ call.call(), sizeof(ClientCallbackReaderImpl<Response>)))
+ ClientCallbackReaderImpl<Response>(call, context, request, reactor);
+ }
+};
+
+template <class Request>
+class ClientCallbackWriterImpl
+ : public ::grpc::experimental::ClientCallbackWriter<Request> {
+ public:
+ // always allocated against a call arena, no memory free required
+ static void operator delete(void* ptr, std::size_t size) {
+ assert(size == sizeof(ClientCallbackWriterImpl));
+ }
+
+ // This operator should never be called as the memory should be freed as part
+ // of the arena destruction. It only exists to provide a matching operator
+ // delete to the operator new so that some compilers will not complain (see
+ // https://github.com/grpc/grpc/issues/11301) Note at the time of adding this
+ // there are no tests catching the compiler warning.
+ static void operator delete(void*, void*) { assert(0); }
+
+ void MaybeFinish() {
+ if (--callbacks_outstanding_ == 0) {
+ reactor_->OnDone(finish_status_);
+ auto* call = call_.call();
+ this->~ClientCallbackWriterImpl();
+ g_core_codegen_interface->grpc_call_unref(call);
+ }
+ }
+
+ void StartCall() override {
+ // This call initiates two batches, plus any backlog, each with a callback
+ // 1. Send initial metadata (unless corked) + recv initial metadata
+ // 2. Recv trailing metadata, on_completion callback
+ // 3. Any backlog
+ started_ = true;
+
+ start_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnReadInitialMetadataDone(ok);
+ MaybeFinish();
+ },
+ &start_ops_);
+ if (!start_corked_) {
+ start_ops_.SendInitialMetadata(&context_->send_initial_metadata_,
+ context_->initial_metadata_flags());
+ }
+ start_ops_.RecvInitialMetadata(context_);
+ start_ops_.set_core_cq_tag(&start_tag_);
+ call_.PerformOps(&start_ops_);
+
+ // Also set up the read and write tags so that they don't have to be set up
+ // each time
+ write_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnWriteDone(ok);
+ MaybeFinish();
+ },
+ &write_ops_);
+ write_ops_.set_core_cq_tag(&write_tag_);
+
+ finish_tag_.Set(call_.call(), [this](bool ok) { MaybeFinish(); },
+ &finish_ops_);
+ finish_ops_.ClientRecvStatus(context_, &finish_status_);
+ finish_ops_.set_core_cq_tag(&finish_tag_);
+ call_.PerformOps(&finish_ops_);
+
+ if (write_ops_at_start_) {
+ call_.PerformOps(&write_ops_);
+ }
+
+ if (writes_done_ops_at_start_) {
+ call_.PerformOps(&writes_done_ops_);
+ }
+ }
+
+ void Write(const Request* msg, WriteOptions options) override {
+ if (start_corked_) {
+ write_ops_.SendInitialMetadata(&context_->send_initial_metadata_,
+ context_->initial_metadata_flags());
+ start_corked_ = false;
+ }
+ // TODO(vjpai): don't assert
+ GPR_CODEGEN_ASSERT(write_ops_.SendMessage(*msg).ok());
+
+ if (options.is_last_message()) {
+ options.set_buffer_hint();
+ write_ops_.ClientSendClose();
+ }
+ callbacks_outstanding_++;
+ if (started_) {
+ call_.PerformOps(&write_ops_);
+ } else {
+ write_ops_at_start_ = true;
+ }
+ }
+ void WritesDone() override {
+ if (start_corked_) {
+ writes_done_ops_.SendInitialMetadata(&context_->send_initial_metadata_,
+ context_->initial_metadata_flags());
+ start_corked_ = false;
+ }
+ writes_done_ops_.ClientSendClose();
+ writes_done_tag_.Set(call_.call(),
+ [this](bool ok) {
+ reactor_->OnWritesDoneDone(ok);
+ MaybeFinish();
+ },
+ &writes_done_ops_);
+ writes_done_ops_.set_core_cq_tag(&writes_done_tag_);
+ callbacks_outstanding_++;
+ if (started_) {
+ call_.PerformOps(&writes_done_ops_);
+ } else {
+ writes_done_ops_at_start_ = true;
+ }
+ }
+
+ private:
+ friend class ClientCallbackWriterFactory<Request>;
+
+ template <class Response>
+ ClientCallbackWriterImpl(
+ Call call, ClientContext* context, Response* response,
+ ::grpc::experimental::ClientWriteReactor<Request>* reactor)
+ : context_(context),
+ call_(call),
+ reactor_(reactor),
+ start_corked_(context_->initial_metadata_corked_) {
+ this->BindReactor(reactor);
+ finish_ops_.RecvMessage(response);
+ finish_ops_.AllowNoMessage();
+ }
+
+ ClientContext* context_;
+ Call call_;
+ ::grpc::experimental::ClientWriteReactor<Request>* reactor_;
+
+ CallOpSet<CallOpSendInitialMetadata, CallOpRecvInitialMetadata> start_ops_;
+ CallbackWithSuccessTag start_tag_;
+ bool start_corked_;
+
+ CallOpSet<CallOpGenericRecvMessage, CallOpClientRecvStatus> finish_ops_;
+ CallbackWithSuccessTag finish_tag_;
+ Status finish_status_;
+
+ CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose>
+ write_ops_;
+ CallbackWithSuccessTag write_tag_;
+ bool write_ops_at_start_{false};
+
+ CallOpSet<CallOpSendInitialMetadata, CallOpClientSendClose> writes_done_ops_;
+ CallbackWithSuccessTag writes_done_tag_;
+ bool writes_done_ops_at_start_{false};
+
+ // Minimum of 2 outstanding callbacks to pre-register for start and finish
+ std::atomic_int callbacks_outstanding_{2};
+ bool started_{false};
+};
+
+template <class Request>
+class ClientCallbackWriterFactory {
+ public:
+ template <class Response>
+ static void Create(
+ ChannelInterface* channel, const ::grpc::internal::RpcMethod& method,
+ ClientContext* context, Response* response,
+ ::grpc::experimental::ClientWriteReactor<Request>* reactor) {
+ Call call = channel->CreateCall(method, context, channel->CallbackCQ());
+
+ g_core_codegen_interface->grpc_call_ref(call.call());
+ new (g_core_codegen_interface->grpc_call_arena_alloc(
+ call.call(), sizeof(ClientCallbackWriterImpl<Request>)))
+ ClientCallbackWriterImpl<Request>(call, context, response, reactor);
+ }
+};
} // namespace internal
} // namespace grpc
diff --git a/include/grpcpp/impl/codegen/client_context.h b/include/grpcpp/impl/codegen/client_context.h
index 75b955e760..6059c3c58a 100644
--- a/include/grpcpp/impl/codegen/client_context.h
+++ b/include/grpcpp/impl/codegen/client_context.h
@@ -71,6 +71,12 @@ template <class InputMessage, class OutputMessage>
class BlockingUnaryCallImpl;
template <class InputMessage, class OutputMessage>
class CallbackUnaryCallImpl;
+template <class Request, class Response>
+class ClientCallbackReaderWriterImpl;
+template <class Response>
+class ClientCallbackReaderImpl;
+template <class Request>
+class ClientCallbackWriterImpl;
} // namespace internal
template <class R>
@@ -394,6 +400,12 @@ class ClientContext {
friend class ::grpc::internal::BlockingUnaryCallImpl;
template <class InputMessage, class OutputMessage>
friend class ::grpc::internal::CallbackUnaryCallImpl;
+ template <class Request, class Response>
+ friend class ::grpc::internal::ClientCallbackReaderWriterImpl;
+ template <class Response>
+ friend class ::grpc::internal::ClientCallbackReaderImpl;
+ template <class Request>
+ friend class ::grpc::internal::ClientCallbackWriterImpl;
// Used by friend class CallOpClientRecvStatus
void set_debug_error_string(const grpc::string& debug_error_string) {
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index 7986aca696..a368b47f01 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -132,6 +132,7 @@ grpc::string GetHeaderIncludes(grpc_generator::File* file,
"grpcpp/impl/codegen/async_generic_service.h",
"grpcpp/impl/codegen/async_stream.h",
"grpcpp/impl/codegen/async_unary_call.h",
+ "grpcpp/impl/codegen/client_callback.h",
"grpcpp/impl/codegen/method_handler_impl.h",
"grpcpp/impl/codegen/proto_utils.h",
"grpcpp/impl/codegen/rpc_method.h",
@@ -580,11 +581,22 @@ void PrintHeaderClientMethodCallbackInterfaces(
"const $Request$* request, $Response$* response, "
"std::function<void(::grpc::Status)>) = 0;\n");
} else if (ClientOnlyStreaming(method)) {
- // TODO(vjpai): Add support for client-side streaming
+ printer->Print(*vars,
+ "virtual void $Method$(::grpc::ClientContext* context, "
+ "$Response$* response, "
+ "::grpc::experimental::ClientWriteReactor< $Request$>* "
+ "reactor) = 0;\n");
} else if (ServerOnlyStreaming(method)) {
- // TODO(vjpai): Add support for server-side streaming
+ printer->Print(*vars,
+ "virtual void $Method$(::grpc::ClientContext* context, "
+ "$Request$* request, "
+ "::grpc::experimental::ClientReadReactor< $Response$>* "
+ "reactor) = 0;\n");
} else if (method->BidiStreaming()) {
- // TODO(vjpai): Add support for bidi streaming
+ printer->Print(*vars,
+ "virtual void $Method$(::grpc::ClientContext* context, "
+ "::grpc::experimental::ClientBidiReactor< "
+ "$Request$,$Response$>* reactor) = 0;\n");
}
}
@@ -631,11 +643,23 @@ void PrintHeaderClientMethodCallback(grpc_generator::Printer* printer,
"const $Request$* request, $Response$* response, "
"std::function<void(::grpc::Status)>) override;\n");
} else if (ClientOnlyStreaming(method)) {
- // TODO(vjpai): Add support for client-side streaming
+ printer->Print(*vars,
+ "void $Method$(::grpc::ClientContext* context, "
+ "$Response$* response, "
+ "::grpc::experimental::ClientWriteReactor< $Request$>* "
+ "reactor) override;\n");
} else if (ServerOnlyStreaming(method)) {
- // TODO(vjpai): Add support for server-side streaming
+ printer->Print(*vars,
+ "void $Method$(::grpc::ClientContext* context, "
+ "$Request$* request, "
+ "::grpc::experimental::ClientReadReactor< $Response$>* "
+ "reactor) override;\n");
+
} else if (method->BidiStreaming()) {
- // TODO(vjpai): Add support for bidi streaming
+ printer->Print(*vars,
+ "void $Method$(::grpc::ClientContext* context, "
+ "::grpc::experimental::ClientBidiReactor< "
+ "$Request$,$Response$>* reactor) override;\n");
}
}
@@ -1607,7 +1631,19 @@ void PrintSourceClientMethod(grpc_generator::Printer* printer,
"context, response);\n"
"}\n\n");
- // TODO(vjpai): Add callback version
+ printer->Print(
+ *vars,
+ "void $ns$$Service$::"
+ "Stub::experimental_async::$Method$(::grpc::ClientContext* context, "
+ "$Response$* response, "
+ "::grpc::experimental::ClientWriteReactor< $Request$>* reactor) {\n");
+ printer->Print(*vars,
+ " ::grpc::internal::ClientCallbackWriterFactory< "
+ "$Request$>::Create("
+ "stub_->channel_.get(), "
+ "stub_->rpcmethod_$Method$_, "
+ "context, response, reactor);\n"
+ "}\n\n");
for (auto async_prefix : async_prefixes) {
(*vars)["AsyncPrefix"] = async_prefix.prefix;
@@ -1641,7 +1677,19 @@ void PrintSourceClientMethod(grpc_generator::Printer* printer,
"context, request);\n"
"}\n\n");
- // TODO(vjpai): Add callback version
+ printer->Print(
+ *vars,
+ "void $ns$$Service$::Stub::experimental_async::$Method$(::grpc::"
+ "ClientContext* context, "
+ "$Request$* request, "
+ "::grpc::experimental::ClientReadReactor< $Response$>* reactor) {\n");
+ printer->Print(*vars,
+ " ::grpc::internal::ClientCallbackReaderFactory< "
+ "$Response$>::Create("
+ "stub_->channel_.get(), "
+ "stub_->rpcmethod_$Method$_, "
+ "context, request, reactor);\n"
+ "}\n\n");
for (auto async_prefix : async_prefixes) {
(*vars)["AsyncPrefix"] = async_prefix.prefix;
@@ -1675,7 +1723,19 @@ void PrintSourceClientMethod(grpc_generator::Printer* printer,
"context);\n"
"}\n\n");
- // TODO(vjpai): Add callback version
+ printer->Print(
+ *vars,
+ "void $ns$$Service$::Stub::experimental_async::$Method$(::grpc::"
+ "ClientContext* context, "
+ "::grpc::experimental::ClientBidiReactor< $Request$,$Response$>* "
+ "reactor) {\n");
+ printer->Print(*vars,
+ " ::grpc::internal::ClientCallbackReaderWriterFactory< "
+ "$Request$,$Response$>::Create("
+ "stub_->channel_.get(), "
+ "stub_->rpcmethod_$Method$_, "
+ "context, reactor);\n"
+ "}\n\n");
for (auto async_prefix : async_prefixes) {
(*vars)["AsyncPrefix"] = async_prefix.prefix;
diff --git a/src/core/ext/transport/chttp2/transport/context_list.cc b/src/core/ext/transport/chttp2/transport/context_list.cc
index 4acd0c9583..f30d41c332 100644
--- a/src/core/ext/transport/chttp2/transport/context_list.cc
+++ b/src/core/ext/transport/chttp2/transport/context_list.cc
@@ -32,6 +32,7 @@ void ContextList::Execute(void* arg, grpc_core::Timestamps* ts,
while (head != nullptr) {
if (error == GRPC_ERROR_NONE && ts != nullptr) {
if (write_timestamps_callback_g) {
+ ts->byte_offset = static_cast<uint32_t>(head->byte_offset_);
write_timestamps_callback_g(head->s_->context, ts);
}
}
diff --git a/src/core/ext/transport/chttp2/transport/context_list.h b/src/core/ext/transport/chttp2/transport/context_list.h
index 68d11e94d8..d870107749 100644
--- a/src/core/ext/transport/chttp2/transport/context_list.h
+++ b/src/core/ext/transport/chttp2/transport/context_list.h
@@ -50,6 +50,7 @@ class ContextList {
/* Create a new element in the list and add it at the front */
ContextList* elem = grpc_core::New<ContextList>();
elem->s_ = s;
+ elem->byte_offset_ = s->byte_counter;
elem->next_ = *head;
*head = elem;
}
@@ -61,6 +62,7 @@ class ContextList {
private:
grpc_chttp2_stream* s_ = nullptr;
ContextList* next_ = nullptr;
+ size_t byte_offset_ = 0;
};
void grpc_http2_set_write_timestamps_callback(
diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h
index aeaa4935ad..6aa68f5d4a 100644
--- a/src/core/ext/transport/chttp2/transport/internal.h
+++ b/src/core/ext/transport/chttp2/transport/internal.h
@@ -646,6 +646,8 @@ struct grpc_chttp2_stream {
bool traced = false;
/** gRPC header bytes that are already decompressed */
size_t decompressed_header_bytes = 0;
+ /** Byte counter for number of bytes written */
+ size_t byte_counter = 0;
};
/** Transport writing call flow:
diff --git a/src/core/ext/transport/chttp2/transport/writing.cc b/src/core/ext/transport/chttp2/transport/writing.cc
index 77320b496f..265d3365d3 100644
--- a/src/core/ext/transport/chttp2/transport/writing.cc
+++ b/src/core/ext/transport/chttp2/transport/writing.cc
@@ -363,6 +363,7 @@ class DataSendContext {
grpc_chttp2_encode_data(s_->id, &s_->compressed_data_buffer, send_bytes,
is_last_frame_, &s_->stats.outgoing, &t_->outbuf);
s_->flow_control->SentData(send_bytes);
+ s_->byte_counter += send_bytes;
if (s_->compressed_data_buffer.length == 0) {
s_->sending_bytes += s_->uncompressed_data_size;
}
@@ -488,9 +489,6 @@ class StreamWriteContext {
return; // early out: nothing to do
}
- if (s_->traced && grpc_endpoint_can_track_err(t_->ep)) {
- grpc_core::ContextList::Append(&t_->cl, s_);
- }
while ((s_->flow_controlled_buffer.length > 0 ||
s_->compressed_data_buffer.length > 0) &&
data_send_context.max_outgoing() > 0) {
@@ -500,6 +498,9 @@ class StreamWriteContext {
data_send_context.CompressMoreBytes();
}
}
+ if (s_->traced && grpc_endpoint_can_track_err(t_->ep)) {
+ grpc_core::ContextList::Append(&t_->cl, s_);
+ }
write_context_->ResetPingClock();
if (data_send_context.is_last_frame()) {
SentLastFrame();
diff --git a/src/core/lib/iomgr/buffer_list.cc b/src/core/lib/iomgr/buffer_list.cc
index e20dab15b1..ace17a108d 100644
--- a/src/core/lib/iomgr/buffer_list.cc
+++ b/src/core/lib/iomgr/buffer_list.cc
@@ -35,6 +35,9 @@ void TracedBuffer::AddNewEntry(TracedBuffer** head, uint32_t seq_no,
TracedBuffer* new_elem = New<TracedBuffer>(seq_no, arg);
/* Store the current time as the sendmsg time. */
new_elem->ts_.sendmsg_time = gpr_now(GPR_CLOCK_REALTIME);
+ new_elem->ts_.scheduled_time = gpr_inf_past(GPR_CLOCK_REALTIME);
+ new_elem->ts_.sent_time = gpr_inf_past(GPR_CLOCK_REALTIME);
+ new_elem->ts_.acked_time = gpr_inf_past(GPR_CLOCK_REALTIME);
if (*head == nullptr) {
*head = new_elem;
return;
diff --git a/src/core/lib/iomgr/buffer_list.h b/src/core/lib/iomgr/buffer_list.h
index 87d74f9ce2..627f1bde99 100644
--- a/src/core/lib/iomgr/buffer_list.h
+++ b/src/core/lib/iomgr/buffer_list.h
@@ -37,6 +37,8 @@ struct Timestamps {
gpr_timespec scheduled_time;
gpr_timespec sent_time;
gpr_timespec acked_time;
+
+ uint32_t byte_offset; /* byte offset relative to the start of the RPC */
};
/** TracedBuffer is a class to keep track of timestamps for a specific buffer in
@@ -73,7 +75,7 @@ class TracedBuffer {
private:
GPRC_ALLOW_CLASS_TO_USE_NON_PUBLIC_NEW
- TracedBuffer(int seq_no, void* arg)
+ TracedBuffer(uint32_t seq_no, void* arg)
: seq_no_(seq_no), arg_(arg), next_(nullptr) {}
uint32_t seq_no_; /* The sequence number for the last byte in the buffer */
diff --git a/src/core/lib/iomgr/fork_posix.cc b/src/core/lib/iomgr/fork_posix.cc
index e957bad73d..05ecd2a49b 100644
--- a/src/core/lib/iomgr/fork_posix.cc
+++ b/src/core/lib/iomgr/fork_posix.cc
@@ -60,7 +60,7 @@ void grpc_prefork() {
}
if (strcmp(grpc_get_poll_strategy_name(), "epoll1") != 0 &&
strcmp(grpc_get_poll_strategy_name(), "poll") != 0) {
- gpr_log(GPR_ERROR,
+ gpr_log(GPR_INFO,
"Fork support is only compatible with the epoll1 and poll polling "
"strategies");
}
diff --git a/src/core/lib/iomgr/tcp_posix.cc b/src/core/lib/iomgr/tcp_posix.cc
index 606bfce6e7..cfcb190d60 100644
--- a/src/core/lib/iomgr/tcp_posix.cc
+++ b/src/core/lib/iomgr/tcp_posix.cc
@@ -634,7 +634,7 @@ static bool tcp_write_with_timestamps(grpc_tcp* tcp, struct msghdr* msg,
if (sending_length == static_cast<size_t>(length)) {
gpr_mu_lock(&tcp->tb_mu);
grpc_core::TracedBuffer::AddNewEntry(
- &tcp->tb_head, static_cast<int>(tcp->bytes_counter + length),
+ &tcp->tb_head, static_cast<uint32_t>(tcp->bytes_counter + length),
tcp->outgoing_buffer_arg);
gpr_mu_unlock(&tcp->tb_mu);
tcp->outgoing_buffer_arg = nullptr;
@@ -686,11 +686,9 @@ struct cmsghdr* process_timestamp(grpc_tcp* tcp, msghdr* msg,
}
/** For linux platforms, reads the socket's error queue and processes error
- * messages from the queue. Returns true if all the errors processed were
- * timestamps. Returns false if any of the errors were not timestamps. For
- * non-linux platforms, error processing is not used/enabled currently.
+ * messages from the queue.
*/
-static bool process_errors(grpc_tcp* tcp) {
+static void process_errors(grpc_tcp* tcp) {
while (true) {
struct iovec iov;
iov.iov_base = nullptr;
@@ -719,10 +717,10 @@ static bool process_errors(grpc_tcp* tcp) {
} while (r < 0 && saved_errno == EINTR);
if (r == -1 && saved_errno == EAGAIN) {
- return true; /* No more errors to process */
+ return; /* No more errors to process */
}
if (r == -1) {
- return false;
+ return;
}
if (grpc_tcp_trace.enabled()) {
if ((msg.msg_flags & MSG_CTRUNC) == 1) {
@@ -732,8 +730,9 @@ static bool process_errors(grpc_tcp* tcp) {
if (msg.msg_controllen == 0) {
/* There was no control message found. It was probably spurious. */
- return true;
+ return;
}
+ bool seen = false;
for (auto cmsg = CMSG_FIRSTHDR(&msg); cmsg && cmsg->cmsg_len;
cmsg = CMSG_NXTHDR(&msg, cmsg)) {
if (cmsg->cmsg_level != SOL_SOCKET ||
@@ -745,9 +744,13 @@ static bool process_errors(grpc_tcp* tcp) {
"unknown control message cmsg_level:%d cmsg_type:%d",
cmsg->cmsg_level, cmsg->cmsg_type);
}
- return false;
+ return;
}
cmsg = process_timestamp(tcp, &msg, cmsg);
+ seen = true;
+ }
+ if (!seen) {
+ return;
}
}
}
diff --git a/src/cpp/client/generic_stub.cc b/src/cpp/client/generic_stub.cc
index 87902b26f0..f61c1b5317 100644
--- a/src/cpp/client/generic_stub.cc
+++ b/src/cpp/client/generic_stub.cc
@@ -72,4 +72,13 @@ void GenericStub::experimental_type::UnaryCall(
context, request, response, std::move(on_completion));
}
+void GenericStub::experimental_type::PrepareBidiStreamingCall(
+ ClientContext* context, const grpc::string& method,
+ experimental::ClientBidiReactor<ByteBuffer, ByteBuffer>* reactor) {
+ internal::ClientCallbackReaderWriterFactory<ByteBuffer, ByteBuffer>::Create(
+ stub_->channel_.get(),
+ internal::RpcMethod(method.c_str(), internal::RpcMethod::BIDI_STREAMING),
+ context, reactor);
+}
+
} // namespace grpc
diff --git a/src/proto/grpc/channelz/BUILD b/src/proto/grpc/channelz/BUILD
index bdb03d5e2d..b6b485e3e8 100644
--- a/src/proto/grpc/channelz/BUILD
+++ b/src/proto/grpc/channelz/BUILD
@@ -24,3 +24,10 @@ grpc_proto_library(
has_services = True,
well_known_protos = True,
)
+
+filegroup(
+ name = "channelz_proto_file",
+ srcs = [
+ "channelz.proto",
+ ],
+)
diff --git a/src/proto/grpc/health/v1/BUILD b/src/proto/grpc/health/v1/BUILD
index 97642985c9..38a7d992e0 100644
--- a/src/proto/grpc/health/v1/BUILD
+++ b/src/proto/grpc/health/v1/BUILD
@@ -29,4 +29,3 @@ filegroup(
"health.proto",
],
)
-
diff --git a/src/proto/grpc/testing/compiler_test.proto b/src/proto/grpc/testing/compiler_test.proto
index db5ca48331..9fa5590a59 100644
--- a/src/proto/grpc/testing/compiler_test.proto
+++ b/src/proto/grpc/testing/compiler_test.proto
@@ -20,6 +20,9 @@
syntax = "proto3";
// Ignored detached comment
+// The comments in this file are not meant for readability
+// but rather to test to make sure that the code generator
+// properly preserves comments on files, services, and RPCs
// Ignored package leading comment
package grpc.testing;
diff --git a/src/python/grpcio/grpc/_cython/BUILD.bazel b/src/python/grpcio/grpc/_cython/BUILD.bazel
index cfd3a51d9b..e318298d0a 100644
--- a/src/python/grpcio/grpc/_cython/BUILD.bazel
+++ b/src/python/grpcio/grpc/_cython/BUILD.bazel
@@ -12,6 +12,7 @@ pyx_library(
"_cygrpc/grpc_string.pyx.pxi",
"_cygrpc/arguments.pyx.pxi",
"_cygrpc/call.pyx.pxi",
+ "_cygrpc/channelz.pyx.pxi",
"_cygrpc/channel.pyx.pxi",
"_cygrpc/credentials.pyx.pxi",
"_cygrpc/completion_queue.pyx.pxi",
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/channelz.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/channelz.pyx.pxi
new file mode 100644
index 0000000000..113f7976dd
--- /dev/null
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/channelz.pyx.pxi
@@ -0,0 +1,69 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+def channelz_get_top_channels(start_channel_id):
+ cdef char *c_returned_str = grpc_channelz_get_top_channels(
+ start_channel_id,
+ )
+ if c_returned_str == NULL:
+ raise ValueError('Failed to get top channels, please ensure your' \
+ ' start_channel_id==%s is valid' % start_channel_id)
+ return c_returned_str
+
+def channelz_get_servers(start_server_id):
+ cdef char *c_returned_str = grpc_channelz_get_servers(start_server_id)
+ if c_returned_str == NULL:
+ raise ValueError('Failed to get servers, please ensure your' \
+ ' start_server_id==%s is valid' % start_server_id)
+ return c_returned_str
+
+def channelz_get_server(server_id):
+ cdef char *c_returned_str = grpc_channelz_get_server(server_id)
+ if c_returned_str == NULL:
+ raise ValueError('Failed to get the server, please ensure your' \
+ ' server_id==%s is valid' % server_id)
+ return c_returned_str
+
+def channelz_get_server_sockets(server_id, start_socket_id):
+ cdef char *c_returned_str = grpc_channelz_get_server_sockets(
+ server_id,
+ start_socket_id,
+ )
+ if c_returned_str == NULL:
+ raise ValueError('Failed to get server sockets, please ensure your' \
+ ' server_id==%s and start_socket_id==%s is valid' %
+ (server_id, start_socket_id))
+ return c_returned_str
+
+def channelz_get_channel(channel_id):
+ cdef char *c_returned_str = grpc_channelz_get_channel(channel_id)
+ if c_returned_str == NULL:
+ raise ValueError('Failed to get the channel, please ensure your' \
+ ' channel_id==%s is valid' % (channel_id))
+ return c_returned_str
+
+def channelz_get_subchannel(subchannel_id):
+ cdef char *c_returned_str = grpc_channelz_get_subchannel(subchannel_id)
+ if c_returned_str == NULL:
+ raise ValueError('Failed to get the subchannel, please ensure your' \
+ ' subchannel_id==%s is valid' % (subchannel_id))
+ return c_returned_str
+
+def channelz_get_socket(socket_id):
+ cdef char *c_returned_str = grpc_channelz_get_socket(socket_id)
+ if c_returned_str == NULL:
+ raise ValueError('Failed to get the socket, please ensure your' \
+ ' socket_id==%s is valid' % (socket_id))
+ return c_returned_str
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
index 5aaf31e36c..5bbc10af25 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
@@ -13,6 +13,7 @@
# limitations under the License.
cimport libc.time
+from libc.stdint cimport intptr_t
# Typedef types with approximately the same semantics to provide their names to
@@ -384,6 +385,15 @@ cdef extern from "grpc/grpc.h":
void grpc_server_cancel_all_calls(grpc_server *server) nogil
void grpc_server_destroy(grpc_server *server) nogil
+ char* grpc_channelz_get_top_channels(intptr_t start_channel_id)
+ char* grpc_channelz_get_servers(intptr_t start_server_id)
+ char* grpc_channelz_get_server(intptr_t server_id)
+ char* grpc_channelz_get_server_sockets(intptr_t server_id,
+ intptr_t start_socket_id)
+ char* grpc_channelz_get_channel(intptr_t channel_id)
+ char* grpc_channelz_get_subchannel(intptr_t subchannel_id)
+ char* grpc_channelz_get_socket(intptr_t socket_id)
+
cdef extern from "grpc/grpc_security.h":
diff --git a/src/python/grpcio/grpc/_cython/cygrpc.pyx b/src/python/grpcio/grpc/_cython/cygrpc.pyx
index ae5c07bfc8..9ab919375c 100644
--- a/src/python/grpcio/grpc/_cython/cygrpc.pyx
+++ b/src/python/grpcio/grpc/_cython/cygrpc.pyx
@@ -35,6 +35,7 @@ include "_cygrpc/server.pyx.pxi"
include "_cygrpc/tag.pyx.pxi"
include "_cygrpc/time.pyx.pxi"
include "_cygrpc/_hooks.pyx.pxi"
+include "_cygrpc/channelz.pyx.pxi"
include "_cygrpc/grpc_gevent.pyx.pxi"
diff --git a/src/python/grpcio_channelz/.gitignore b/src/python/grpcio_channelz/.gitignore
new file mode 100644
index 0000000000..0c5da6b5af
--- /dev/null
+++ b/src/python/grpcio_channelz/.gitignore
@@ -0,0 +1,6 @@
+*.proto
+*_pb2.py
+*_pb2_grpc.py
+build/
+grpcio_channelz.egg-info/
+dist/
diff --git a/src/python/grpcio_channelz/MANIFEST.in b/src/python/grpcio_channelz/MANIFEST.in
new file mode 100644
index 0000000000..5597f375ba
--- /dev/null
+++ b/src/python/grpcio_channelz/MANIFEST.in
@@ -0,0 +1,3 @@
+include grpc_version.py
+recursive-include grpc_channelz *.py
+global-exclude *.pyc
diff --git a/src/python/grpcio_channelz/README.rst b/src/python/grpcio_channelz/README.rst
new file mode 100644
index 0000000000..efeaa56064
--- /dev/null
+++ b/src/python/grpcio_channelz/README.rst
@@ -0,0 +1,9 @@
+gRPC Python Channelz package
+==============================
+
+Channelz is a live debug tool in gRPC Python.
+
+Dependencies
+------------
+
+Depends on the `grpcio` package, available from PyPI via `pip install grpcio`.
diff --git a/src/python/grpcio_channelz/channelz_commands.py b/src/python/grpcio_channelz/channelz_commands.py
new file mode 100644
index 0000000000..e9ad355034
--- /dev/null
+++ b/src/python/grpcio_channelz/channelz_commands.py
@@ -0,0 +1,63 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Provides distutils command classes for the GRPC Python setup process."""
+
+import os
+import shutil
+
+import setuptools
+
+ROOT_DIR = os.path.abspath(os.path.dirname(os.path.abspath(__file__)))
+CHANNELZ_PROTO = os.path.join(ROOT_DIR,
+ '../../proto/grpc/channelz/channelz.proto')
+
+
+class CopyProtoModules(setuptools.Command):
+ """Command to copy proto modules from grpc/src/proto."""
+
+ description = ''
+ user_options = []
+
+ def initialize_options(self):
+ pass
+
+ def finalize_options(self):
+ pass
+
+ def run(self):
+ if os.path.isfile(CHANNELZ_PROTO):
+ shutil.copyfile(CHANNELZ_PROTO,
+ os.path.join(ROOT_DIR,
+ 'grpc_channelz/v1/channelz.proto'))
+
+
+class BuildPackageProtos(setuptools.Command):
+ """Command to generate project *_pb2.py modules from proto files."""
+
+ description = 'build grpc protobuf modules'
+ user_options = []
+
+ def initialize_options(self):
+ pass
+
+ def finalize_options(self):
+ pass
+
+ def run(self):
+ # due to limitations of the proto generator, we require that only *one*
+ # directory is provided as an 'include' directory. We assume it's the '' key
+ # to `self.distribution.package_dir` (and get a key error if it's not
+ # there).
+ from grpc_tools import command
+ command.build_package_protos(self.distribution.package_dir[''])
diff --git a/src/python/grpcio_channelz/grpc_channelz/__init__.py b/src/python/grpcio_channelz/grpc_channelz/__init__.py
new file mode 100644
index 0000000000..38fdfc9c5c
--- /dev/null
+++ b/src/python/grpcio_channelz/grpc_channelz/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/src/python/grpcio_channelz/grpc_channelz/v1/BUILD.bazel b/src/python/grpcio_channelz/grpc_channelz/v1/BUILD.bazel
new file mode 100644
index 0000000000..aae8cedb76
--- /dev/null
+++ b/src/python/grpcio_channelz/grpc_channelz/v1/BUILD.bazel
@@ -0,0 +1,38 @@
+load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@org_pubref_rules_protobuf//python:rules.bzl", "py_proto_library")
+
+package(default_visibility = ["//visibility:public"])
+
+genrule(
+ name = "mv_channelz_proto",
+ srcs = [
+ "//src/proto/grpc/channelz:channelz_proto_file",
+ ],
+ outs = ["channelz.proto",],
+ cmd = "cp $< $@",
+)
+
+py_proto_library(
+ name = "py_channelz_proto",
+ protos = ["mv_channelz_proto",],
+ imports = [
+ "external/com_google_protobuf/src/",
+ ],
+ inputs = [
+ "@com_google_protobuf//:well_known_protos",
+ ],
+ with_grpc = True,
+ deps = [
+ requirement('protobuf'),
+ ],
+)
+
+py_library(
+ name = "grpc_channelz",
+ srcs = ["channelz.py",],
+ deps = [
+ ":py_channelz_proto",
+ "//src/python/grpcio/grpc:grpcio",
+ ],
+ imports=["../../",],
+)
diff --git a/src/python/grpcio_channelz/grpc_channelz/v1/__init__.py b/src/python/grpcio_channelz/grpc_channelz/v1/__init__.py
new file mode 100644
index 0000000000..38fdfc9c5c
--- /dev/null
+++ b/src/python/grpcio_channelz/grpc_channelz/v1/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/src/python/grpcio_channelz/grpc_channelz/v1/channelz.py b/src/python/grpcio_channelz/grpc_channelz/v1/channelz.py
new file mode 100644
index 0000000000..573b9d0d5a
--- /dev/null
+++ b/src/python/grpcio_channelz/grpc_channelz/v1/channelz.py
@@ -0,0 +1,141 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Channelz debug service implementation in gRPC Python."""
+
+import grpc
+from grpc._cython import cygrpc
+
+import grpc_channelz.v1.channelz_pb2 as _channelz_pb2
+import grpc_channelz.v1.channelz_pb2_grpc as _channelz_pb2_grpc
+
+from google.protobuf import json_format
+
+
+class ChannelzServicer(_channelz_pb2_grpc.ChannelzServicer):
+ """Servicer handling RPCs for service statuses."""
+
+ @staticmethod
+ def GetTopChannels(request, context):
+ try:
+ return json_format.Parse(
+ cygrpc.channelz_get_top_channels(request.start_channel_id),
+ _channelz_pb2.GetTopChannelsResponse(),
+ )
+ except (ValueError, json_format.ParseError) as e:
+ context.set_code(grpc.StatusCode.INTERNAL)
+ context.set_details(str(e))
+
+ @staticmethod
+ def GetServers(request, context):
+ try:
+ return json_format.Parse(
+ cygrpc.channelz_get_servers(request.start_server_id),
+ _channelz_pb2.GetServersResponse(),
+ )
+ except (ValueError, json_format.ParseError) as e:
+ context.set_code(grpc.StatusCode.INTERNAL)
+ context.set_details(str(e))
+
+ @staticmethod
+ def GetServer(request, context):
+ try:
+ return json_format.Parse(
+ cygrpc.channelz_get_server(request.server_id),
+ _channelz_pb2.GetServerResponse(),
+ )
+ except ValueError as e:
+ context.set_code(grpc.StatusCode.NOT_FOUND)
+ context.set_details(str(e))
+ except json_format.ParseError as e:
+ context.set_code(grpc.StatusCode.INTERNAL)
+ context.set_details(str(e))
+
+ @staticmethod
+ def GetServerSockets(request, context):
+ try:
+ return json_format.Parse(
+ cygrpc.channelz_get_server_sockets(request.server_id,
+ request.start_socket_id),
+ _channelz_pb2.GetServerSocketsResponse(),
+ )
+ except ValueError as e:
+ context.set_code(grpc.StatusCode.NOT_FOUND)
+ context.set_details(str(e))
+ except json_format.ParseError as e:
+ context.set_code(grpc.StatusCode.INTERNAL)
+ context.set_details(str(e))
+
+ @staticmethod
+ def GetChannel(request, context):
+ try:
+ return json_format.Parse(
+ cygrpc.channelz_get_channel(request.channel_id),
+ _channelz_pb2.GetChannelResponse(),
+ )
+ except ValueError as e:
+ context.set_code(grpc.StatusCode.NOT_FOUND)
+ context.set_details(str(e))
+ except json_format.ParseError as e:
+ context.set_code(grpc.StatusCode.INTERNAL)
+ context.set_details(str(e))
+
+ @staticmethod
+ def GetSubchannel(request, context):
+ try:
+ return json_format.Parse(
+ cygrpc.channelz_get_subchannel(request.subchannel_id),
+ _channelz_pb2.GetSubchannelResponse(),
+ )
+ except ValueError as e:
+ context.set_code(grpc.StatusCode.NOT_FOUND)
+ context.set_details(str(e))
+ except json_format.ParseError as e:
+ context.set_code(grpc.StatusCode.INTERNAL)
+ context.set_details(str(e))
+
+ @staticmethod
+ def GetSocket(request, context):
+ try:
+ return json_format.Parse(
+ cygrpc.channelz_get_socket(request.socket_id),
+ _channelz_pb2.GetSocketResponse(),
+ )
+ except ValueError as e:
+ context.set_code(grpc.StatusCode.NOT_FOUND)
+ context.set_details(str(e))
+ except json_format.ParseError as e:
+ context.set_code(grpc.StatusCode.INTERNAL)
+ context.set_details(str(e))
+
+
+def add_channelz_servicer(server):
+ """Add Channelz servicer to a server. Channelz servicer is in charge of
+ pulling information from C-Core for entire process. It will allow the
+ server to response to Channelz queries.
+
+ The Channelz statistic is enabled by default inside C-Core. Whether the
+ statistic is enabled or not is isolated from adding Channelz servicer.
+ That means you can query Channelz info with a Channelz-disabled channel,
+ and you can add Channelz servicer to a Channelz-disabled server.
+
+ The Channelz statistic can be enabled or disabled by channel option
+ 'grpc.enable_channelz'. Set to 1 to enable, set to 0 to disable.
+
+ This is an EXPERIMENTAL API.
+
+ Args:
+ server: grpc.Server to which Channelz service will be added.
+ """
+ _channelz_pb2_grpc.add_ChannelzServicer_to_server(ChannelzServicer(),
+ server)
diff --git a/src/python/grpcio_channelz/grpc_version.py b/src/python/grpcio_channelz/grpc_version.py
new file mode 100644
index 0000000000..16356ea402
--- /dev/null
+++ b/src/python/grpcio_channelz/grpc_version.py
@@ -0,0 +1,17 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_channelz/grpc_version.py.template`!!!
+
+VERSION = '1.18.0.dev0'
diff --git a/src/python/grpcio_channelz/setup.py b/src/python/grpcio_channelz/setup.py
new file mode 100644
index 0000000000..a495052376
--- /dev/null
+++ b/src/python/grpcio_channelz/setup.py
@@ -0,0 +1,96 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Setup module for the GRPC Python package's Channelz."""
+
+import os
+import sys
+
+import setuptools
+
+# Ensure we're in the proper directory whether or not we're being used by pip.
+os.chdir(os.path.dirname(os.path.abspath(__file__)))
+
+# Break import-style to ensure we can actually find our local modules.
+import grpc_version
+
+
+class _NoOpCommand(setuptools.Command):
+ """No-op command."""
+
+ description = ''
+ user_options = []
+
+ def initialize_options(self):
+ pass
+
+ def finalize_options(self):
+ pass
+
+ def run(self):
+ pass
+
+
+CLASSIFIERS = [
+ 'Development Status :: 5 - Production/Stable',
+ 'Programming Language :: Python',
+ 'Programming Language :: Python :: 2',
+ 'Programming Language :: Python :: 2.7',
+ 'Programming Language :: Python :: 3',
+ 'Programming Language :: Python :: 3.4',
+ 'Programming Language :: Python :: 3.5',
+ 'Programming Language :: Python :: 3.6',
+ 'License :: OSI Approved :: Apache Software License',
+]
+
+PACKAGE_DIRECTORIES = {
+ '': '.',
+}
+
+INSTALL_REQUIRES = (
+ 'protobuf>=3.6.0',
+ 'grpcio>={version}'.format(version=grpc_version.VERSION),
+)
+
+try:
+ import channelz_commands as _channelz_commands
+ # we are in the build environment, otherwise the above import fails
+ SETUP_REQUIRES = (
+ 'grpcio-tools=={version}'.format(version=grpc_version.VERSION),)
+ COMMAND_CLASS = {
+ # Run preprocess from the repository *before* doing any packaging!
+ 'preprocess': _channelz_commands.CopyProtoModules,
+ 'build_package_protos': _channelz_commands.BuildPackageProtos,
+ }
+except ImportError:
+ SETUP_REQUIRES = ()
+ COMMAND_CLASS = {
+ # wire up commands to no-op not to break the external dependencies
+ 'preprocess': _NoOpCommand,
+ 'build_package_protos': _NoOpCommand,
+ }
+
+setuptools.setup(
+ name='grpcio-channelz',
+ version=grpc_version.VERSION,
+ license='Apache License 2.0',
+ description='Channel Level Live Debug Information Service for gRPC',
+ author='The gRPC Authors',
+ author_email='grpc-io@googlegroups.com',
+ classifiers=CLASSIFIERS,
+ url='https://grpc.io',
+ package_dir=PACKAGE_DIRECTORIES,
+ packages=setuptools.find_packages('.'),
+ install_requires=INSTALL_REQUIRES,
+ setup_requires=SETUP_REQUIRES,
+ cmdclass=COMMAND_CLASS)
diff --git a/src/python/grpcio_tests/commands.py b/src/python/grpcio_tests/commands.py
index d163f6fb68..65e9a99950 100644
--- a/src/python/grpcio_tests/commands.py
+++ b/src/python/grpcio_tests/commands.py
@@ -132,7 +132,12 @@ class TestGevent(setuptools.Command):
'unit.beta._beta_features_test',
# TODO(https://github.com/grpc/grpc/issues/15411) unpin gevent version
# This test will stuck while running higher version of gevent
- 'unit._auth_context_test.AuthContextTest.testSessionResumption')
+ 'unit._auth_context_test.AuthContextTest.testSessionResumption',
+ # TODO(https://github.com/grpc/grpc/issues/17330) enable these three tests
+ 'channelz._channelz_servicer_test.ChannelzServicerTest.test_many_subchannels',
+ 'channelz._channelz_servicer_test.ChannelzServicerTest.test_many_subchannels_and_sockets',
+ 'channelz._channelz_servicer_test.ChannelzServicerTest.test_streaming_rpc'
+ )
description = 'run tests with gevent. Assumes grpc/gevent are installed'
user_options = []
diff --git a/src/python/grpcio_tests/setup.py b/src/python/grpcio_tests/setup.py
index 61c98fa038..f56425ac6d 100644
--- a/src/python/grpcio_tests/setup.py
+++ b/src/python/grpcio_tests/setup.py
@@ -39,6 +39,7 @@ PACKAGE_DIRECTORIES = {
INSTALL_REQUIRES = (
'coverage>=4.0', 'enum34>=1.0.4',
'grpcio>={version}'.format(version=grpc_version.VERSION),
+ 'grpcio-channelz>={version}'.format(version=grpc_version.VERSION),
'grpcio-tools>={version}'.format(version=grpc_version.VERSION),
'grpcio-health-checking>={version}'.format(version=grpc_version.VERSION),
'oauth2client>=1.4.7', 'protobuf>=3.6.0', 'six>=1.10', 'google-auth>=1.0.0',
diff --git a/src/python/grpcio_tests/tests/channelz/BUILD.bazel b/src/python/grpcio_tests/tests/channelz/BUILD.bazel
new file mode 100644
index 0000000000..63513616e7
--- /dev/null
+++ b/src/python/grpcio_tests/tests/channelz/BUILD.bazel
@@ -0,0 +1,15 @@
+package(default_visibility = ["//visibility:public"])
+
+py_test(
+ name = "channelz_servicer_test",
+ srcs = ["_channelz_servicer_test.py"],
+ main = "_channelz_servicer_test.py",
+ size = "small",
+ deps = [
+ "//src/python/grpcio/grpc:grpcio",
+ "//src/python/grpcio_channelz/grpc_channelz/v1:grpc_channelz",
+ "//src/python/grpcio_tests/tests/unit:test_common",
+ "//src/python/grpcio_tests/tests/unit/framework/common:common",
+ ],
+ imports = ["../../",],
+)
diff --git a/src/python/grpcio_tests/tests/channelz/__init__.py b/src/python/grpcio_tests/tests/channelz/__init__.py
new file mode 100644
index 0000000000..38fdfc9c5c
--- /dev/null
+++ b/src/python/grpcio_tests/tests/channelz/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/src/python/grpcio_tests/tests/channelz/_channelz_servicer_test.py b/src/python/grpcio_tests/tests/channelz/_channelz_servicer_test.py
new file mode 100644
index 0000000000..84f8594689
--- /dev/null
+++ b/src/python/grpcio_tests/tests/channelz/_channelz_servicer_test.py
@@ -0,0 +1,494 @@
+# Copyright 2018 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Tests of grpc_channelz.v1.channelz."""
+
+import unittest
+
+from concurrent import futures
+
+import grpc
+from grpc_channelz.v1 import channelz
+from grpc_channelz.v1 import channelz_pb2
+from grpc_channelz.v1 import channelz_pb2_grpc
+
+from tests.unit import test_common
+from tests.unit.framework.common import test_constants
+
+_SUCCESSFUL_UNARY_UNARY = '/test/SuccessfulUnaryUnary'
+_FAILED_UNARY_UNARY = '/test/FailedUnaryUnary'
+_SUCCESSFUL_STREAM_STREAM = '/test/SuccessfulStreamStream'
+
+_REQUEST = b'\x00\x00\x00'
+_RESPONSE = b'\x01\x01\x01'
+
+_DISABLE_REUSE_PORT = (('grpc.so_reuseport', 0),)
+_ENABLE_CHANNELZ = (('grpc.enable_channelz', 1),)
+_DISABLE_CHANNELZ = (('grpc.enable_channelz', 0),)
+
+
+def _successful_unary_unary(request, servicer_context):
+ return _RESPONSE
+
+
+def _failed_unary_unary(request, servicer_context):
+ servicer_context.set_code(grpc.StatusCode.INTERNAL)
+ servicer_context.set_details("Channelz Test Intended Failure")
+
+
+def _successful_stream_stream(request_iterator, servicer_context):
+ for _ in request_iterator:
+ yield _RESPONSE
+
+
+class _GenericHandler(grpc.GenericRpcHandler):
+
+ def service(self, handler_call_details):
+ if handler_call_details.method == _SUCCESSFUL_UNARY_UNARY:
+ return grpc.unary_unary_rpc_method_handler(_successful_unary_unary)
+ elif handler_call_details.method == _FAILED_UNARY_UNARY:
+ return grpc.unary_unary_rpc_method_handler(_failed_unary_unary)
+ elif handler_call_details.method == _SUCCESSFUL_STREAM_STREAM:
+ return grpc.stream_stream_rpc_method_handler(
+ _successful_stream_stream)
+ else:
+ return None
+
+
+class _ChannelServerPair(object):
+
+ def __init__(self):
+ # Server will enable channelz service
+ # Bind as attribute, so its `del` can be called explicitly, during
+ # the destruction process. Otherwise, if the removal of server
+ # rely on gc cycle, the test will become non-deterministic.
+ self._server = grpc.server(
+ futures.ThreadPoolExecutor(max_workers=3),
+ options=_DISABLE_REUSE_PORT + _ENABLE_CHANNELZ)
+ port = self._server.add_insecure_port('[::]:0')
+ self._server.add_generic_rpc_handlers((_GenericHandler(),))
+ self._server.start()
+
+ # Channel will enable channelz service...
+ self.channel = grpc.insecure_channel('localhost:%d' % port,
+ _ENABLE_CHANNELZ)
+
+ def __del__(self):
+ self._server.__del__()
+ self.channel.close()
+
+
+def _generate_channel_server_pairs(n):
+ return [_ChannelServerPair() for i in range(n)]
+
+
+def _clean_channel_server_pairs(pairs):
+ for pair in pairs:
+ pair.__del__()
+
+
+class ChannelzServicerTest(unittest.TestCase):
+
+ def _send_successful_unary_unary(self, idx):
+ _, r = self._pairs[idx].channel.unary_unary(
+ _SUCCESSFUL_UNARY_UNARY).with_call(_REQUEST)
+ self.assertEqual(r.code(), grpc.StatusCode.OK)
+
+ def _send_failed_unary_unary(self, idx):
+ try:
+ self._pairs[idx].channel.unary_unary(_FAILED_UNARY_UNARY).with_call(
+ _REQUEST)
+ except grpc.RpcError:
+ return
+ else:
+ self.fail("This call supposed to fail")
+
+ def _send_successful_stream_stream(self, idx):
+ response_iterator = self._pairs[idx].channel.stream_stream(
+ _SUCCESSFUL_STREAM_STREAM).__call__(
+ iter([_REQUEST] * test_constants.STREAM_LENGTH))
+ cnt = 0
+ for _ in response_iterator:
+ cnt += 1
+ self.assertEqual(cnt, test_constants.STREAM_LENGTH)
+
+ def _get_channel_id(self, idx):
+ """Channel id may not be consecutive"""
+ resp = self._channelz_stub.GetTopChannels(
+ channelz_pb2.GetTopChannelsRequest(start_channel_id=0))
+ self.assertGreater(len(resp.channel), idx)
+ return resp.channel[idx].ref.channel_id
+
+ def setUp(self):
+ self._pairs = []
+ # This server is for Channelz info fetching only
+ # It self should not enable Channelz
+ self._server = grpc.server(
+ futures.ThreadPoolExecutor(max_workers=3),
+ options=_DISABLE_REUSE_PORT + _DISABLE_CHANNELZ)
+ port = self._server.add_insecure_port('[::]:0')
+ channelz.add_channelz_servicer(self._server)
+ self._server.start()
+
+ # This channel is used to fetch Channelz info only
+ # Channelz should not be enabled
+ self._channel = grpc.insecure_channel('localhost:%d' % port,
+ _DISABLE_CHANNELZ)
+ self._channelz_stub = channelz_pb2_grpc.ChannelzStub(self._channel)
+
+ def tearDown(self):
+ self._server.__del__()
+ self._channel.close()
+ _clean_channel_server_pairs(self._pairs)
+
+ def test_get_top_channels_basic(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ resp = self._channelz_stub.GetTopChannels(
+ channelz_pb2.GetTopChannelsRequest(start_channel_id=0))
+ self.assertEqual(len(resp.channel), 1)
+ self.assertEqual(resp.end, True)
+
+ def test_get_top_channels_high_start_id(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ resp = self._channelz_stub.GetTopChannels(
+ channelz_pb2.GetTopChannelsRequest(start_channel_id=10000))
+ self.assertEqual(len(resp.channel), 0)
+ self.assertEqual(resp.end, True)
+
+ def test_successful_request(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ self._send_successful_unary_unary(0)
+ resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(0)))
+ self.assertEqual(resp.channel.data.calls_started, 1)
+ self.assertEqual(resp.channel.data.calls_succeeded, 1)
+ self.assertEqual(resp.channel.data.calls_failed, 0)
+
+ def test_failed_request(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ self._send_failed_unary_unary(0)
+ resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(0)))
+ self.assertEqual(resp.channel.data.calls_started, 1)
+ self.assertEqual(resp.channel.data.calls_succeeded, 0)
+ self.assertEqual(resp.channel.data.calls_failed, 1)
+
+ def test_many_requests(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ k_success = 7
+ k_failed = 9
+ for i in range(k_success):
+ self._send_successful_unary_unary(0)
+ for i in range(k_failed):
+ self._send_failed_unary_unary(0)
+ resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(0)))
+ self.assertEqual(resp.channel.data.calls_started, k_success + k_failed)
+ self.assertEqual(resp.channel.data.calls_succeeded, k_success)
+ self.assertEqual(resp.channel.data.calls_failed, k_failed)
+
+ def test_many_channel(self):
+ k_channels = 4
+ self._pairs = _generate_channel_server_pairs(k_channels)
+ resp = self._channelz_stub.GetTopChannels(
+ channelz_pb2.GetTopChannelsRequest(start_channel_id=0))
+ self.assertEqual(len(resp.channel), k_channels)
+
+ def test_many_requests_many_channel(self):
+ k_channels = 4
+ self._pairs = _generate_channel_server_pairs(k_channels)
+ k_success = 11
+ k_failed = 13
+ for i in range(k_success):
+ self._send_successful_unary_unary(0)
+ self._send_successful_unary_unary(2)
+ for i in range(k_failed):
+ self._send_failed_unary_unary(1)
+ self._send_failed_unary_unary(2)
+
+ # The first channel saw only successes
+ resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(0)))
+ self.assertEqual(resp.channel.data.calls_started, k_success)
+ self.assertEqual(resp.channel.data.calls_succeeded, k_success)
+ self.assertEqual(resp.channel.data.calls_failed, 0)
+
+ # The second channel saw only failures
+ resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(1)))
+ self.assertEqual(resp.channel.data.calls_started, k_failed)
+ self.assertEqual(resp.channel.data.calls_succeeded, 0)
+ self.assertEqual(resp.channel.data.calls_failed, k_failed)
+
+ # The third channel saw both successes and failures
+ resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(2)))
+ self.assertEqual(resp.channel.data.calls_started, k_success + k_failed)
+ self.assertEqual(resp.channel.data.calls_succeeded, k_success)
+ self.assertEqual(resp.channel.data.calls_failed, k_failed)
+
+ # The fourth channel saw nothing
+ resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(3)))
+ self.assertEqual(resp.channel.data.calls_started, 0)
+ self.assertEqual(resp.channel.data.calls_succeeded, 0)
+ self.assertEqual(resp.channel.data.calls_failed, 0)
+
+ def test_many_subchannels(self):
+ k_channels = 4
+ self._pairs = _generate_channel_server_pairs(k_channels)
+ k_success = 17
+ k_failed = 19
+ for i in range(k_success):
+ self._send_successful_unary_unary(0)
+ self._send_successful_unary_unary(2)
+ for i in range(k_failed):
+ self._send_failed_unary_unary(1)
+ self._send_failed_unary_unary(2)
+
+ gtc_resp = self._channelz_stub.GetTopChannels(
+ channelz_pb2.GetTopChannelsRequest(start_channel_id=0))
+ self.assertEqual(len(gtc_resp.channel), k_channels)
+ for i in range(k_channels):
+ # If no call performed in the channel, there shouldn't be any subchannel
+ if gtc_resp.channel[i].data.calls_started == 0:
+ self.assertEqual(len(gtc_resp.channel[i].subchannel_ref), 0)
+ continue
+
+ # Otherwise, the subchannel should exist
+ self.assertGreater(len(gtc_resp.channel[i].subchannel_ref), 0)
+ gsc_resp = self._channelz_stub.GetSubchannel(
+ channelz_pb2.GetSubchannelRequest(
+ subchannel_id=gtc_resp.channel[i].subchannel_ref[
+ 0].subchannel_id))
+ self.assertEqual(gtc_resp.channel[i].data.calls_started,
+ gsc_resp.subchannel.data.calls_started)
+ self.assertEqual(gtc_resp.channel[i].data.calls_succeeded,
+ gsc_resp.subchannel.data.calls_succeeded)
+ self.assertEqual(gtc_resp.channel[i].data.calls_failed,
+ gsc_resp.subchannel.data.calls_failed)
+
+ @unittest.skip('Servers in core are not guaranteed to be destroyed ' \
+ 'immediately when the reference goes out of scope, so ' \
+ 'servers from multiple test cases are not hermetic. ' \
+ 'TODO(https://github.com/grpc/grpc/issues/17258)')
+ def test_server_basic(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ resp = self._channelz_stub.GetServers(
+ channelz_pb2.GetServersRequest(start_server_id=0))
+ self.assertEqual(len(resp.server), 1)
+
+ @unittest.skip('Servers in core are not guaranteed to be destroyed ' \
+ 'immediately when the reference goes out of scope, so ' \
+ 'servers from multiple test cases are not hermetic. ' \
+ 'TODO(https://github.com/grpc/grpc/issues/17258)')
+ def test_get_one_server(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ gss_resp = self._channelz_stub.GetServers(
+ channelz_pb2.GetServersRequest(start_server_id=0))
+ self.assertEqual(len(gss_resp.server), 1)
+ gs_resp = self._channelz_stub.GetServer(
+ channelz_pb2.GetServerRequest(
+ server_id=gss_resp.server[0].ref.server_id))
+ self.assertEqual(gss_resp.server[0].ref.server_id,
+ gs_resp.server.ref.server_id)
+
+ @unittest.skip('Servers in core are not guaranteed to be destroyed ' \
+ 'immediately when the reference goes out of scope, so ' \
+ 'servers from multiple test cases are not hermetic. ' \
+ 'TODO(https://github.com/grpc/grpc/issues/17258)')
+ def test_server_call(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ k_success = 23
+ k_failed = 29
+ for i in range(k_success):
+ self._send_successful_unary_unary(0)
+ for i in range(k_failed):
+ self._send_failed_unary_unary(0)
+
+ resp = self._channelz_stub.GetServers(
+ channelz_pb2.GetServersRequest(start_server_id=0))
+ self.assertEqual(len(resp.server), 1)
+ self.assertEqual(resp.server[0].data.calls_started,
+ k_success + k_failed)
+ self.assertEqual(resp.server[0].data.calls_succeeded, k_success)
+ self.assertEqual(resp.server[0].data.calls_failed, k_failed)
+
+ def test_many_subchannels_and_sockets(self):
+ k_channels = 4
+ self._pairs = _generate_channel_server_pairs(k_channels)
+ k_success = 3
+ k_failed = 5
+ for i in range(k_success):
+ self._send_successful_unary_unary(0)
+ self._send_successful_unary_unary(2)
+ for i in range(k_failed):
+ self._send_failed_unary_unary(1)
+ self._send_failed_unary_unary(2)
+
+ gtc_resp = self._channelz_stub.GetTopChannels(
+ channelz_pb2.GetTopChannelsRequest(start_channel_id=0))
+ self.assertEqual(len(gtc_resp.channel), k_channels)
+ for i in range(k_channels):
+ # If no call performed in the channel, there shouldn't be any subchannel
+ if gtc_resp.channel[i].data.calls_started == 0:
+ self.assertEqual(len(gtc_resp.channel[i].subchannel_ref), 0)
+ continue
+
+ # Otherwise, the subchannel should exist
+ self.assertGreater(len(gtc_resp.channel[i].subchannel_ref), 0)
+ gsc_resp = self._channelz_stub.GetSubchannel(
+ channelz_pb2.GetSubchannelRequest(
+ subchannel_id=gtc_resp.channel[i].subchannel_ref[
+ 0].subchannel_id))
+ self.assertEqual(len(gsc_resp.subchannel.socket_ref), 1)
+
+ gs_resp = self._channelz_stub.GetSocket(
+ channelz_pb2.GetSocketRequest(
+ socket_id=gsc_resp.subchannel.socket_ref[0].socket_id))
+ self.assertEqual(gsc_resp.subchannel.data.calls_started,
+ gs_resp.socket.data.streams_started)
+ self.assertEqual(gsc_resp.subchannel.data.calls_started,
+ gs_resp.socket.data.streams_succeeded)
+ # Calls started == messages sent, only valid for unary calls
+ self.assertEqual(gsc_resp.subchannel.data.calls_started,
+ gs_resp.socket.data.messages_sent)
+ # Only receive responses when the RPC was successful
+ self.assertEqual(gsc_resp.subchannel.data.calls_succeeded,
+ gs_resp.socket.data.messages_received)
+
+ def test_streaming_rpc(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ # In C++, the argument for _send_successful_stream_stream is message length.
+ # Here the argument is still channel idx, to be consistent with the other two.
+ self._send_successful_stream_stream(0)
+
+ gc_resp = self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=self._get_channel_id(0)))
+ self.assertEqual(gc_resp.channel.data.calls_started, 1)
+ self.assertEqual(gc_resp.channel.data.calls_succeeded, 1)
+ self.assertEqual(gc_resp.channel.data.calls_failed, 0)
+ # Subchannel exists
+ self.assertGreater(len(gc_resp.channel.subchannel_ref), 0)
+
+ gsc_resp = self._channelz_stub.GetSubchannel(
+ channelz_pb2.GetSubchannelRequest(
+ subchannel_id=gc_resp.channel.subchannel_ref[0].subchannel_id))
+ self.assertEqual(gsc_resp.subchannel.data.calls_started, 1)
+ self.assertEqual(gsc_resp.subchannel.data.calls_succeeded, 1)
+ self.assertEqual(gsc_resp.subchannel.data.calls_failed, 0)
+ # Socket exists
+ self.assertEqual(len(gsc_resp.subchannel.socket_ref), 1)
+
+ gs_resp = self._channelz_stub.GetSocket(
+ channelz_pb2.GetSocketRequest(
+ socket_id=gsc_resp.subchannel.socket_ref[0].socket_id))
+ self.assertEqual(gs_resp.socket.data.streams_started, 1)
+ self.assertEqual(gs_resp.socket.data.streams_succeeded, 1)
+ self.assertEqual(gs_resp.socket.data.streams_failed, 0)
+ self.assertEqual(gs_resp.socket.data.messages_sent,
+ test_constants.STREAM_LENGTH)
+ self.assertEqual(gs_resp.socket.data.messages_received,
+ test_constants.STREAM_LENGTH)
+
+ @unittest.skip('Servers in core are not guaranteed to be destroyed ' \
+ 'immediately when the reference goes out of scope, so ' \
+ 'servers from multiple test cases are not hermetic. ' \
+ 'TODO(https://github.com/grpc/grpc/issues/17258)')
+ def test_server_sockets(self):
+ self._pairs = _generate_channel_server_pairs(1)
+ self._send_successful_unary_unary(0)
+ self._send_failed_unary_unary(0)
+
+ gs_resp = self._channelz_stub.GetServers(
+ channelz_pb2.GetServersRequest(start_server_id=0))
+ self.assertEqual(len(gs_resp.server), 1)
+ self.assertEqual(gs_resp.server[0].data.calls_started, 2)
+ self.assertEqual(gs_resp.server[0].data.calls_succeeded, 1)
+ self.assertEqual(gs_resp.server[0].data.calls_failed, 1)
+
+ gss_resp = self._channelz_stub.GetServerSockets(
+ channelz_pb2.GetServerSocketsRequest(
+ server_id=gs_resp.server[0].ref.server_id, start_socket_id=0))
+ # If the RPC call failed, it will raise a grpc.RpcError
+ # So, if there is no exception raised, considered pass
+
+ @unittest.skip('Servers in core are not guaranteed to be destroyed ' \
+ 'immediately when the reference goes out of scope, so ' \
+ 'servers from multiple test cases are not hermetic. ' \
+ 'TODO(https://github.com/grpc/grpc/issues/17258)')
+ def test_server_listen_sockets(self):
+ self._pairs = _generate_channel_server_pairs(1)
+
+ gss_resp = self._channelz_stub.GetServers(
+ channelz_pb2.GetServersRequest(start_server_id=0))
+ self.assertEqual(len(gss_resp.server), 1)
+ self.assertEqual(len(gss_resp.server[0].listen_socket), 1)
+
+ gs_resp = self._channelz_stub.GetSocket(
+ channelz_pb2.GetSocketRequest(
+ socket_id=gss_resp.server[0].listen_socket[0].socket_id))
+ # If the RPC call failed, it will raise a grpc.RpcError
+ # So, if there is no exception raised, considered pass
+
+ def test_invalid_query_get_server(self):
+ try:
+ self._channelz_stub.GetServer(
+ channelz_pb2.GetServerRequest(server_id=10000))
+ except BaseException as e:
+ self.assertIn('StatusCode.NOT_FOUND', str(e))
+ else:
+ self.fail('Invalid query not detected')
+
+ def test_invalid_query_get_channel(self):
+ try:
+ self._channelz_stub.GetChannel(
+ channelz_pb2.GetChannelRequest(channel_id=10000))
+ except BaseException as e:
+ self.assertIn('StatusCode.NOT_FOUND', str(e))
+ else:
+ self.fail('Invalid query not detected')
+
+ def test_invalid_query_get_subchannel(self):
+ try:
+ self._channelz_stub.GetSubchannel(
+ channelz_pb2.GetSubchannelRequest(subchannel_id=10000))
+ except BaseException as e:
+ self.assertIn('StatusCode.NOT_FOUND', str(e))
+ else:
+ self.fail('Invalid query not detected')
+
+ def test_invalid_query_get_socket(self):
+ try:
+ self._channelz_stub.GetSocket(
+ channelz_pb2.GetSocketRequest(socket_id=10000))
+ except BaseException as e:
+ self.assertIn('StatusCode.NOT_FOUND', str(e))
+ else:
+ self.fail('Invalid query not detected')
+
+ def test_invalid_query_get_server_sockets(self):
+ try:
+ self._channelz_stub.GetServerSockets(
+ channelz_pb2.GetServerSocketsRequest(
+ server_id=10000,
+ start_socket_id=0,
+ ))
+ except BaseException as e:
+ self.assertIn('StatusCode.NOT_FOUND', str(e))
+ else:
+ self.fail('Invalid query not detected')
+
+
+if __name__ == '__main__':
+ unittest.main(verbosity=2)
diff --git a/src/python/grpcio_tests/tests/tests.json b/src/python/grpcio_tests/tests/tests.json
index a3006d9afc..9cffd3df19 100644
--- a/src/python/grpcio_tests/tests/tests.json
+++ b/src/python/grpcio_tests/tests/tests.json
@@ -1,5 +1,6 @@
[
"_sanity._sanity_test.SanityTest",
+ "channelz._channelz_servicer_test.ChannelzServicerTest",
"health_check._health_servicer_test.HealthServicerTest",
"interop._insecure_intraop_test.InsecureIntraopTest",
"interop._secure_intraop_test.SecureIntraopTest",
diff --git a/templates/src/python/grpcio_channelz/grpc_version.py.template b/templates/src/python/grpcio_channelz/grpc_version.py.template
new file mode 100644
index 0000000000..75d510cd17
--- /dev/null
+++ b/templates/src/python/grpcio_channelz/grpc_version.py.template
@@ -0,0 +1,19 @@
+%YAML 1.2
+--- |
+ # Copyright 2018 The gRPC Authors
+ #
+ # Licensed under the Apache License, Version 2.0 (the "License");
+ # you may not use this file except in compliance with the License.
+ # You may obtain a copy of the License at
+ #
+ # http://www.apache.org/licenses/LICENSE-2.0
+ #
+ # Unless required by applicable law or agreed to in writing, software
+ # distributed under the License is distributed on an "AS IS" BASIS,
+ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ # See the License for the specific language governing permissions and
+ # limitations under the License.
+
+ # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_channelz/grpc_version.py.template`!!!
+
+ VERSION = '${settings.python_version.pep440()}'
diff --git a/test/core/transport/chttp2/context_list_test.cc b/test/core/transport/chttp2/context_list_test.cc
index e2100899d3..e64f1532ec 100644
--- a/test/core/transport/chttp2/context_list_test.cc
+++ b/test/core/transport/chttp2/context_list_test.cc
@@ -33,8 +33,12 @@
namespace grpc_core {
namespace testing {
namespace {
+
+const uint32_t kByteOffset = 123;
+
void TestExecuteFlushesListVerifier(void* arg, grpc_core::Timestamps* ts) {
- GPR_ASSERT(arg != nullptr);
+ ASSERT_NE(arg, nullptr);
+ EXPECT_EQ(ts->byte_offset, kByteOffset);
gpr_atm* done = reinterpret_cast<gpr_atm*>(arg);
gpr_atm_rel_store(done, static_cast<gpr_atm>(1));
}
@@ -43,7 +47,7 @@ void discard_write(grpc_slice slice) {}
/** Tests that all ContextList elements in the list are flushed out on
* execute.
- * Also tests that arg is passed correctly.
+ * Also tests that arg and byte_counter are passed correctly.
*/
TEST(ContextList, ExecuteFlushesList) {
grpc_core::ContextList* list = nullptr;
@@ -68,14 +72,14 @@ TEST(ContextList, ExecuteFlushesList) {
reinterpret_cast<grpc_stream*>(s[i]), &ref,
nullptr, nullptr);
s[i]->context = &verifier_called[i];
+ s[i]->byte_counter = kByteOffset;
gpr_atm_rel_store(&verifier_called[i], static_cast<gpr_atm>(0));
grpc_core::ContextList::Append(&list, s[i]);
}
grpc_core::Timestamps ts;
grpc_core::ContextList::Execute(list, &ts, GRPC_ERROR_NONE);
for (auto i = 0; i < kNumElems; i++) {
- GPR_ASSERT(gpr_atm_acq_load(&verifier_called[i]) ==
- static_cast<gpr_atm>(1));
+ EXPECT_EQ(gpr_atm_acq_load(&verifier_called[i]), static_cast<gpr_atm>(1));
grpc_transport_destroy_stream(reinterpret_cast<grpc_transport*>(t),
reinterpret_cast<grpc_stream*>(s[i]),
nullptr);
diff --git a/test/cpp/codegen/compiler_test_golden b/test/cpp/codegen/compiler_test_golden
index fdc67969d9..5f0eb6c35c 100644
--- a/test/cpp/codegen/compiler_test_golden
+++ b/test/cpp/codegen/compiler_test_golden
@@ -30,6 +30,7 @@
#include <grpcpp/impl/codegen/async_generic_service.h>
#include <grpcpp/impl/codegen/async_stream.h>
#include <grpcpp/impl/codegen/async_unary_call.h>
+#include <grpcpp/impl/codegen/client_callback.h>
#include <grpcpp/impl/codegen/method_handler_impl.h>
#include <grpcpp/impl/codegen/proto_utils.h>
#include <grpcpp/impl/codegen/rpc_method.h>
@@ -117,10 +118,13 @@ class ServiceA final {
//
// Method A2 leading comment 1
// Method A2 leading comment 2
+ virtual void MethodA2(::grpc::ClientContext* context, ::grpc::testing::Response* response, ::grpc::experimental::ClientWriteReactor< ::grpc::testing::Request>* reactor) = 0;
// MethodA2 trailing comment 1
// Method A3 leading comment 1
+ virtual void MethodA3(::grpc::ClientContext* context, ::grpc::testing::Request* request, ::grpc::experimental::ClientReadReactor< ::grpc::testing::Response>* reactor) = 0;
// Method A3 trailing comment 1
// Method A4 leading comment 1
+ virtual void MethodA4(::grpc::ClientContext* context, ::grpc::experimental::ClientBidiReactor< ::grpc::testing::Request,::grpc::testing::Response>* reactor) = 0;
// Method A4 trailing comment 1
};
virtual class experimental_async_interface* experimental_async() { return nullptr; }
@@ -178,6 +182,9 @@ class ServiceA final {
public StubInterface::experimental_async_interface {
public:
void MethodA1(::grpc::ClientContext* context, const ::grpc::testing::Request* request, ::grpc::testing::Response* response, std::function<void(::grpc::Status)>) override;
+ void MethodA2(::grpc::ClientContext* context, ::grpc::testing::Response* response, ::grpc::experimental::ClientWriteReactor< ::grpc::testing::Request>* reactor) override;
+ void MethodA3(::grpc::ClientContext* context, ::grpc::testing::Request* request, ::grpc::experimental::ClientReadReactor< ::grpc::testing::Response>* reactor) override;
+ void MethodA4(::grpc::ClientContext* context, ::grpc::experimental::ClientBidiReactor< ::grpc::testing::Request,::grpc::testing::Response>* reactor) override;
private:
friend class Stub;
explicit experimental_async(Stub* stub): stub_(stub) { }
diff --git a/test/cpp/end2end/client_callback_end2end_test.cc b/test/cpp/end2end/client_callback_end2end_test.cc
index a35991396a..6c18703f06 100644
--- a/test/cpp/end2end/client_callback_end2end_test.cc
+++ b/test/cpp/end2end/client_callback_end2end_test.cc
@@ -182,6 +182,55 @@ class ClientCallbackEnd2endTest
}
}
+ void SendGenericEchoAsBidi(int num_rpcs) {
+ const grpc::string kMethodName("/grpc.testing.EchoTestService/Echo");
+ grpc::string test_string("");
+ for (int i = 0; i < num_rpcs; i++) {
+ test_string += "Hello world. ";
+ class Client : public grpc::experimental::ClientBidiReactor<ByteBuffer,
+ ByteBuffer> {
+ public:
+ Client(ClientCallbackEnd2endTest* test, const grpc::string& method_name,
+ const grpc::string& test_str) {
+ test->generic_stub_->experimental().PrepareBidiStreamingCall(
+ &cli_ctx_, method_name, this);
+ request_.set_message(test_str);
+ send_buf_ = SerializeToByteBuffer(&request_);
+ StartWrite(send_buf_.get());
+ StartRead(&recv_buf_);
+ StartCall();
+ }
+ void OnWriteDone(bool ok) override { StartWritesDone(); }
+ void OnReadDone(bool ok) override {
+ EchoResponse response;
+ EXPECT_TRUE(ParseFromByteBuffer(&recv_buf_, &response));
+ EXPECT_EQ(request_.message(), response.message());
+ };
+ void OnDone(const Status& s) override {
+ EXPECT_TRUE(s.ok());
+ std::unique_lock<std::mutex> l(mu_);
+ done_ = true;
+ cv_.notify_one();
+ }
+ void Await() {
+ std::unique_lock<std::mutex> l(mu_);
+ while (!done_) {
+ cv_.wait(l);
+ }
+ }
+
+ EchoRequest request_;
+ std::unique_ptr<ByteBuffer> send_buf_;
+ ByteBuffer recv_buf_;
+ ClientContext cli_ctx_;
+ std::mutex mu_;
+ std::condition_variable cv_;
+ bool done_ = false;
+ } rpc{this, kMethodName, test_string};
+
+ rpc.Await();
+ }
+ }
bool is_server_started_;
std::shared_ptr<Channel> channel_;
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
@@ -211,6 +260,11 @@ TEST_P(ClientCallbackEnd2endTest, SequentialGenericRpcs) {
SendRpcsGeneric(10, false);
}
+TEST_P(ClientCallbackEnd2endTest, SequentialGenericRpcsAsBidi) {
+ ResetStub();
+ SendGenericEchoAsBidi(10);
+}
+
#if GRPC_ALLOW_EXCEPTIONS
TEST_P(ClientCallbackEnd2endTest, ExceptingRpc) {
ResetStub();
@@ -267,6 +321,170 @@ TEST_P(ClientCallbackEnd2endTest, CancelRpcBeforeStart) {
}
}
+TEST_P(ClientCallbackEnd2endTest, RequestStream) {
+ // TODO(vjpai): test with callback server once supported
+ if (GetParam().callback_server) {
+ return;
+ }
+
+ ResetStub();
+ class Client : public grpc::experimental::ClientWriteReactor<EchoRequest> {
+ public:
+ explicit Client(grpc::testing::EchoTestService::Stub* stub) {
+ context_.set_initial_metadata_corked(true);
+ stub->experimental_async()->RequestStream(&context_, &response_, this);
+ StartCall();
+ request_.set_message("Hello server.");
+ StartWrite(&request_);
+ }
+ void OnWriteDone(bool ok) override {
+ writes_left_--;
+ if (writes_left_ > 1) {
+ StartWrite(&request_);
+ } else if (writes_left_ == 1) {
+ StartWriteLast(&request_, WriteOptions());
+ }
+ }
+ void OnDone(const Status& s) override {
+ EXPECT_TRUE(s.ok());
+ EXPECT_EQ(response_.message(), "Hello server.Hello server.Hello server.");
+ std::unique_lock<std::mutex> l(mu_);
+ done_ = true;
+ cv_.notify_one();
+ }
+ void Await() {
+ std::unique_lock<std::mutex> l(mu_);
+ while (!done_) {
+ cv_.wait(l);
+ }
+ }
+
+ private:
+ EchoRequest request_;
+ EchoResponse response_;
+ ClientContext context_;
+ int writes_left_{3};
+ std::mutex mu_;
+ std::condition_variable cv_;
+ bool done_ = false;
+ } test{stub_.get()};
+
+ test.Await();
+}
+
+TEST_P(ClientCallbackEnd2endTest, ResponseStream) {
+ // TODO(vjpai): test with callback server once supported
+ if (GetParam().callback_server) {
+ return;
+ }
+
+ ResetStub();
+ class Client : public grpc::experimental::ClientReadReactor<EchoResponse> {
+ public:
+ explicit Client(grpc::testing::EchoTestService::Stub* stub) {
+ request_.set_message("Hello client ");
+ stub->experimental_async()->ResponseStream(&context_, &request_, this);
+ StartCall();
+ StartRead(&response_);
+ }
+ void OnReadDone(bool ok) override {
+ if (!ok) {
+ EXPECT_EQ(reads_complete_, kServerDefaultResponseStreamsToSend);
+ } else {
+ EXPECT_LE(reads_complete_, kServerDefaultResponseStreamsToSend);
+ EXPECT_EQ(response_.message(),
+ request_.message() + grpc::to_string(reads_complete_));
+ reads_complete_++;
+ StartRead(&response_);
+ }
+ }
+ void OnDone(const Status& s) override {
+ EXPECT_TRUE(s.ok());
+ std::unique_lock<std::mutex> l(mu_);
+ done_ = true;
+ cv_.notify_one();
+ }
+ void Await() {
+ std::unique_lock<std::mutex> l(mu_);
+ while (!done_) {
+ cv_.wait(l);
+ }
+ }
+
+ private:
+ EchoRequest request_;
+ EchoResponse response_;
+ ClientContext context_;
+ int reads_complete_{0};
+ std::mutex mu_;
+ std::condition_variable cv_;
+ bool done_ = false;
+ } test{stub_.get()};
+
+ test.Await();
+}
+
+TEST_P(ClientCallbackEnd2endTest, BidiStream) {
+ // TODO(vjpai): test with callback server once supported
+ if (GetParam().callback_server) {
+ return;
+ }
+ ResetStub();
+ class Client : public grpc::experimental::ClientBidiReactor<EchoRequest,
+ EchoResponse> {
+ public:
+ explicit Client(grpc::testing::EchoTestService::Stub* stub) {
+ request_.set_message("Hello fren ");
+ stub->experimental_async()->BidiStream(&context_, this);
+ StartCall();
+ StartRead(&response_);
+ StartWrite(&request_);
+ }
+ void OnReadDone(bool ok) override {
+ if (!ok) {
+ EXPECT_EQ(reads_complete_, kServerDefaultResponseStreamsToSend);
+ } else {
+ EXPECT_LE(reads_complete_, kServerDefaultResponseStreamsToSend);
+ EXPECT_EQ(response_.message(), request_.message());
+ reads_complete_++;
+ StartRead(&response_);
+ }
+ }
+ void OnWriteDone(bool ok) override {
+ EXPECT_TRUE(ok);
+ if (++writes_complete_ == kServerDefaultResponseStreamsToSend) {
+ StartWritesDone();
+ } else {
+ StartWrite(&request_);
+ }
+ }
+ void OnDone(const Status& s) override {
+ EXPECT_TRUE(s.ok());
+ std::unique_lock<std::mutex> l(mu_);
+ done_ = true;
+ cv_.notify_one();
+ }
+ void Await() {
+ std::unique_lock<std::mutex> l(mu_);
+ while (!done_) {
+ cv_.wait(l);
+ }
+ }
+
+ private:
+ EchoRequest request_;
+ EchoResponse response_;
+ ClientContext context_;
+ int reads_complete_{0};
+ int writes_complete_{0};
+ std::mutex mu_;
+ std::condition_variable cv_;
+ bool done_ = false;
+ } test{stub_.get()};
+
+ test.Await();
+}
+
TestScenario scenarios[] = {TestScenario{false}, TestScenario{true}};
INSTANTIATE_TEST_CASE_P(ClientCallbackEnd2endTest, ClientCallbackEnd2endTest,
diff --git a/test/cpp/end2end/test_service_impl.cc b/test/cpp/end2end/test_service_impl.cc
index 605356724f..1726e87ea6 100644
--- a/test/cpp/end2end/test_service_impl.cc
+++ b/test/cpp/end2end/test_service_impl.cc
@@ -223,6 +223,7 @@ void CallbackTestServiceImpl::EchoNonDelayed(
return;
}
+ gpr_log(GPR_DEBUG, "Request message was %s", request->message().c_str());
response->set_message(request->message());
MaybeEchoDeadline(context, request, response);
if (host_) {
diff --git a/tools/distrib/pylint_code.sh b/tools/distrib/pylint_code.sh
index 82a818cce5..d17eb9fdb8 100755
--- a/tools/distrib/pylint_code.sh
+++ b/tools/distrib/pylint_code.sh
@@ -20,6 +20,7 @@ cd "$(dirname "$0")/../.."
DIRS=(
'src/python/grpcio/grpc'
+ 'src/python/grpcio_channelz/grpc_channelz'
'src/python/grpcio_health_checking/grpc_health'
'src/python/grpcio_reflection/grpc_reflection'
'src/python/grpcio_testing/grpc_testing'
diff --git a/tools/run_tests/artifacts/build_artifact_python.sh b/tools/run_tests/artifacts/build_artifact_python.sh
index 65f2d1c765..bc6e558204 100755
--- a/tools/run_tests/artifacts/build_artifact_python.sh
+++ b/tools/run_tests/artifacts/build_artifact_python.sh
@@ -108,6 +108,11 @@ then
${SETARCH_CMD} "${PYTHON}" src/python/grpcio_testing/setup.py sdist
cp -r src/python/grpcio_testing/dist/* "$ARTIFACT_DIR"
+ # Build grpcio_channelz source distribution
+ ${SETARCH_CMD} "${PYTHON}" src/python/grpcio_channelz/setup.py \
+ preprocess build_package_protos sdist
+ cp -r src/python/grpcio_channelz/dist/* "$ARTIFACT_DIR"
+
# Build grpcio_health_checking source distribution
${SETARCH_CMD} "${PYTHON}" src/python/grpcio_health_checking/setup.py \
preprocess build_package_protos sdist
diff --git a/tools/run_tests/helper_scripts/build_python.sh b/tools/run_tests/helper_scripts/build_python.sh
index 8394f07e51..e43f1fb429 100755
--- a/tools/run_tests/helper_scripts/build_python.sh
+++ b/tools/run_tests/helper_scripts/build_python.sh
@@ -189,6 +189,11 @@ pip_install_dir "$ROOT"
$VENV_PYTHON "$ROOT/tools/distrib/python/make_grpcio_tools.py"
pip_install_dir "$ROOT/tools/distrib/python/grpcio_tools"
+# Build/install Channelz
+$VENV_PYTHON "$ROOT/src/python/grpcio_channelz/setup.py" preprocess
+$VENV_PYTHON "$ROOT/src/python/grpcio_channelz/setup.py" build_package_protos
+pip_install_dir "$ROOT/src/python/grpcio_channelz"
+
# Build/install health checking
$VENV_PYTHON "$ROOT/src/python/grpcio_health_checking/setup.py" preprocess
$VENV_PYTHON "$ROOT/src/python/grpcio_health_checking/setup.py" build_package_protos