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-rw-r--r--include/grpcpp/impl/codegen/byte_buffer.h4
-rw-r--r--include/grpcpp/impl/codegen/client_unary_call.h4
-rw-r--r--include/grpcpp/impl/codegen/completion_queue.h12
-rw-r--r--include/grpcpp/impl/codegen/method_handler_impl.h17
-rw-r--r--include/grpcpp/impl/codegen/server_context.h8
-rw-r--r--include/grpcpp/impl/codegen/service_type.h37
-rw-r--r--include/grpcpp/impl/codegen/sync_stream.h12
7 files changed, 64 insertions, 30 deletions
diff --git a/include/grpcpp/impl/codegen/byte_buffer.h b/include/grpcpp/impl/codegen/byte_buffer.h
index 86c047ebe7..8cc5158115 100644
--- a/include/grpcpp/impl/codegen/byte_buffer.h
+++ b/include/grpcpp/impl/codegen/byte_buffer.h
@@ -45,6 +45,8 @@ template <class ServiceType, class RequestType, class ResponseType>
class RpcMethodHandler;
template <class ServiceType, class RequestType, class ResponseType>
class ServerStreamingHandler;
+template <StatusCode code>
+class ErrorMethodHandler;
template <class R>
class DeserializeFuncType;
class GrpcByteBufferPeer;
@@ -144,6 +146,8 @@ class ByteBuffer final {
friend class internal::RpcMethodHandler;
template <class ServiceType, class RequestType, class ResponseType>
friend class internal::ServerStreamingHandler;
+ template <StatusCode code>
+ friend class internal::ErrorMethodHandler;
template <class R>
friend class internal::DeserializeFuncType;
friend class ProtoBufferReader;
diff --git a/include/grpcpp/impl/codegen/client_unary_call.h b/include/grpcpp/impl/codegen/client_unary_call.h
index a37a81b75b..e4e8364e07 100644
--- a/include/grpcpp/impl/codegen/client_unary_call.h
+++ b/include/grpcpp/impl/codegen/client_unary_call.h
@@ -50,8 +50,8 @@ class BlockingUnaryCallImpl {
ClientContext* context, const InputMessage& request,
OutputMessage* result) {
CompletionQueue cq(grpc_completion_queue_attributes{
- GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK,
- GRPC_CQ_DEFAULT_POLLING}); // Pluckable completion queue
+ GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING,
+ nullptr}); // Pluckable completion queue
Call call(channel->CreateCall(method, context, &cq));
CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
CallOpRecvInitialMetadata, CallOpRecvMessage<OutputMessage>,
diff --git a/include/grpcpp/impl/codegen/completion_queue.h b/include/grpcpp/impl/codegen/completion_queue.h
index 5819e068ba..6c8428ebde 100644
--- a/include/grpcpp/impl/codegen/completion_queue.h
+++ b/include/grpcpp/impl/codegen/completion_queue.h
@@ -78,9 +78,10 @@ template <class ServiceType, class RequestType, class ResponseType>
class ServerStreamingHandler;
template <class ServiceType, class RequestType, class ResponseType>
class BidiStreamingHandler;
-class UnknownMethodHandler;
template <class Streamer, bool WriteNeeded>
class TemplatedBidiStreamingHandler;
+template <StatusCode code>
+class ErrorMethodHandler;
template <class InputMessage, class OutputMessage>
class BlockingUnaryCallImpl;
} // namespace internal
@@ -97,7 +98,8 @@ class CompletionQueue : private GrpcLibraryCodegen {
/// instance.
CompletionQueue()
: CompletionQueue(grpc_completion_queue_attributes{
- GRPC_CQ_CURRENT_VERSION, GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING}) {}
+ GRPC_CQ_CURRENT_VERSION, GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING,
+ nullptr}) {}
/// Wrap \a take, taking ownership of the instance.
///
@@ -264,7 +266,8 @@ class CompletionQueue : private GrpcLibraryCodegen {
friend class ::grpc::internal::ServerStreamingHandler;
template <class Streamer, bool WriteNeeded>
friend class ::grpc::internal::TemplatedBidiStreamingHandler;
- friend class ::grpc::internal::UnknownMethodHandler;
+ template <StatusCode code>
+ friend class ::grpc::internal::ErrorMethodHandler;
friend class ::grpc::Server;
friend class ::grpc::ServerContext;
friend class ::grpc::ServerInterface;
@@ -376,11 +379,12 @@ class ServerCompletionQueue : public CompletionQueue {
/// frequently polled.
ServerCompletionQueue(grpc_cq_polling_type polling_type)
: CompletionQueue(grpc_completion_queue_attributes{
- GRPC_CQ_CURRENT_VERSION, GRPC_CQ_NEXT, polling_type}),
+ GRPC_CQ_CURRENT_VERSION, GRPC_CQ_NEXT, polling_type, nullptr}),
polling_type_(polling_type) {}
grpc_cq_polling_type polling_type_;
friend class ServerBuilder;
+ friend class Server;
};
} // namespace grpc
diff --git a/include/grpcpp/impl/codegen/method_handler_impl.h b/include/grpcpp/impl/codegen/method_handler_impl.h
index 851aa2a024..53117f941b 100644
--- a/include/grpcpp/impl/codegen/method_handler_impl.h
+++ b/include/grpcpp/impl/codegen/method_handler_impl.h
@@ -272,12 +272,14 @@ class SplitServerStreamingHandler
ServerSplitStreamer<RequestType, ResponseType>, false>(func) {}
};
-/// Handle unknown method by returning UNIMPLEMENTED error.
-class UnknownMethodHandler : public MethodHandler {
+/// General method handler class for errors that prevent real method use
+/// e.g., handle unknown method by returning UNIMPLEMENTED error.
+template <StatusCode code>
+class ErrorMethodHandler : public MethodHandler {
public:
template <class T>
static void FillOps(ServerContext* context, T* ops) {
- Status status(StatusCode::UNIMPLEMENTED, "");
+ Status status(code, "");
if (!context->sent_initial_metadata_) {
ops->SendInitialMetadata(context->initial_metadata_,
context->initial_metadata_flags());
@@ -294,9 +296,18 @@ class UnknownMethodHandler : public MethodHandler {
FillOps(param.server_context, &ops);
param.call->PerformOps(&ops);
param.call->cq()->Pluck(&ops);
+ // We also have to destroy any request payload in the handler parameter
+ ByteBuffer* payload = param.request.bbuf_ptr();
+ if (payload != nullptr) {
+ payload->Clear();
+ }
}
};
+typedef ErrorMethodHandler<StatusCode::UNIMPLEMENTED> UnknownMethodHandler;
+typedef ErrorMethodHandler<StatusCode::RESOURCE_EXHAUSTED>
+ ResourceExhaustedHandler;
+
} // namespace internal
} // namespace grpc
diff --git a/include/grpcpp/impl/codegen/server_context.h b/include/grpcpp/impl/codegen/server_context.h
index 153b404d9e..6314364db6 100644
--- a/include/grpcpp/impl/codegen/server_context.h
+++ b/include/grpcpp/impl/codegen/server_context.h
@@ -63,9 +63,10 @@ template <class ServiceType, class RequestType, class ResponseType>
class ServerStreamingHandler;
template <class ServiceType, class RequestType, class ResponseType>
class BidiStreamingHandler;
-class UnknownMethodHandler;
template <class Streamer, bool WriteNeeded>
class TemplatedBidiStreamingHandler;
+template <StatusCode code>
+class ErrorMethodHandler;
class Call;
} // namespace internal
@@ -226,6 +227,8 @@ class ServerContext {
/// Async only. Has to be called before the rpc starts.
/// Returns the tag in completion queue when the rpc finishes.
/// IsCancelled() can then be called to check whether the rpc was cancelled.
+ /// TODO(vjpai): Fix this so that the tag is returned even if the call never
+ /// starts (https://github.com/grpc/grpc/issues/10136).
void AsyncNotifyWhenDone(void* tag) {
has_notify_when_done_tag_ = true;
async_notify_when_done_tag_ = tag;
@@ -262,7 +265,8 @@ class ServerContext {
friend class ::grpc::internal::ServerStreamingHandler;
template <class Streamer, bool WriteNeeded>
friend class ::grpc::internal::TemplatedBidiStreamingHandler;
- friend class ::grpc::internal::UnknownMethodHandler;
+ template <StatusCode code>
+ friend class internal::ErrorMethodHandler;
friend class ::grpc::ClientContext;
/// Prevent copying.
diff --git a/include/grpcpp/impl/codegen/service_type.h b/include/grpcpp/impl/codegen/service_type.h
index a0bbd659e2..9f1a052168 100644
--- a/include/grpcpp/impl/codegen/service_type.h
+++ b/include/grpcpp/impl/codegen/service_type.h
@@ -93,14 +93,19 @@ class Service {
internal::ServerAsyncStreamingInterface* stream,
CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq, void* tag) {
- server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq,
+ // Typecast the index to size_t for indexing into a vector
+ // while preserving the API that existed before a compiler
+ // warning was first seen (grpc/grpc#11664)
+ size_t idx = static_cast<size_t>(index);
+ server_->RequestAsyncCall(methods_[idx].get(), context, stream, call_cq,
notification_cq, tag, request);
}
void RequestAsyncClientStreaming(
int index, ServerContext* context,
internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq, void* tag) {
- server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq,
+ size_t idx = static_cast<size_t>(index);
+ server_->RequestAsyncCall(methods_[idx].get(), context, stream, call_cq,
notification_cq, tag);
}
template <class Message>
@@ -108,14 +113,16 @@ class Service {
int index, ServerContext* context, Message* request,
internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq, void* tag) {
- server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq,
+ size_t idx = static_cast<size_t>(index);
+ server_->RequestAsyncCall(methods_[idx].get(), context, stream, call_cq,
notification_cq, tag, request);
}
void RequestAsyncBidiStreaming(
int index, ServerContext* context,
internal::ServerAsyncStreamingInterface* stream, CompletionQueue* call_cq,
ServerCompletionQueue* notification_cq, void* tag) {
- server_->RequestAsyncCall(methods_[index].get(), context, stream, call_cq,
+ size_t idx = static_cast<size_t>(index);
+ server_->RequestAsyncCall(methods_[idx].get(), context, stream, call_cq,
notification_cq, tag);
}
@@ -126,46 +133,50 @@ class Service {
void MarkMethodAsync(int index) {
// This does not have to be a hard error, however no one has approached us
// with a use case yet. Please file an issue if you believe you have one.
+ size_t idx = static_cast<size_t>(index);
GPR_CODEGEN_ASSERT(
- methods_[index].get() != nullptr &&
+ methods_[idx].get() != nullptr &&
"Cannot mark the method as 'async' because it has already been "
"marked as 'generic'.");
- methods_[index]->SetServerAsyncType(
+ methods_[idx]->SetServerAsyncType(
internal::RpcServiceMethod::AsyncType::ASYNC);
}
void MarkMethodRaw(int index) {
// This does not have to be a hard error, however no one has approached us
// with a use case yet. Please file an issue if you believe you have one.
- GPR_CODEGEN_ASSERT(methods_[index].get() != nullptr &&
+ size_t idx = static_cast<size_t>(index);
+ GPR_CODEGEN_ASSERT(methods_[idx].get() != nullptr &&
"Cannot mark the method as 'raw' because it has already "
"been marked as 'generic'.");
- methods_[index]->SetServerAsyncType(
+ methods_[idx]->SetServerAsyncType(
internal::RpcServiceMethod::AsyncType::RAW);
}
void MarkMethodGeneric(int index) {
// This does not have to be a hard error, however no one has approached us
// with a use case yet. Please file an issue if you believe you have one.
+ size_t idx = static_cast<size_t>(index);
GPR_CODEGEN_ASSERT(
- methods_[index]->handler() != nullptr &&
+ methods_[idx]->handler() != nullptr &&
"Cannot mark the method as 'generic' because it has already been "
"marked as 'async' or 'raw'.");
- methods_[index].reset();
+ methods_[idx].reset();
}
void MarkMethodStreamed(int index, internal::MethodHandler* streamed_method) {
// This does not have to be a hard error, however no one has approached us
// with a use case yet. Please file an issue if you believe you have one.
- GPR_CODEGEN_ASSERT(methods_[index] && methods_[index]->handler() &&
+ size_t idx = static_cast<size_t>(index);
+ GPR_CODEGEN_ASSERT(methods_[idx] && methods_[idx]->handler() &&
"Cannot mark an async or generic method Streamed");
- methods_[index]->SetHandler(streamed_method);
+ methods_[idx]->SetHandler(streamed_method);
// From the server's point of view, streamed unary is a special
// case of BIDI_STREAMING that has 1 read and 1 write, in that order,
// and split server-side streaming is BIDI_STREAMING with 1 read and
// any number of writes, in that order.
- methods_[index]->SetMethodType(internal::RpcMethod::BIDI_STREAMING);
+ methods_[idx]->SetMethodType(internal::RpcMethod::BIDI_STREAMING);
}
private:
diff --git a/include/grpcpp/impl/codegen/sync_stream.h b/include/grpcpp/impl/codegen/sync_stream.h
index 7152eaf41f..cbfcf25d0a 100644
--- a/include/grpcpp/impl/codegen/sync_stream.h
+++ b/include/grpcpp/impl/codegen/sync_stream.h
@@ -243,8 +243,8 @@ class ClientReader final : public ClientReaderInterface<R> {
ClientContext* context, const W& request)
: context_(context),
cq_(grpc_completion_queue_attributes{
- GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK,
- GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq
+ GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING,
+ nullptr}), // Pluckable cq
call_(channel->CreateCall(method, context, &cq_)) {
::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata,
::grpc::internal::CallOpSendMessage,
@@ -377,8 +377,8 @@ class ClientWriter : public ClientWriterInterface<W> {
ClientContext* context, R* response)
: context_(context),
cq_(grpc_completion_queue_attributes{
- GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK,
- GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq
+ GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING,
+ nullptr}), // Pluckable cq
call_(channel->CreateCall(method, context, &cq_)) {
finish_ops_.RecvMessage(response);
finish_ops_.AllowNoMessage();
@@ -551,8 +551,8 @@ class ClientReaderWriter final : public ClientReaderWriterInterface<W, R> {
ClientContext* context)
: context_(context),
cq_(grpc_completion_queue_attributes{
- GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK,
- GRPC_CQ_DEFAULT_POLLING}), // Pluckable cq
+ GRPC_CQ_CURRENT_VERSION, GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING,
+ nullptr}), // Pluckable cq
call_(channel->CreateCall(method, context, &cq_)) {
if (!context_->initial_metadata_corked_) {
::grpc::internal::CallOpSet<::grpc::internal::CallOpSendInitialMetadata>
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-23 02:40:45 +0000