diff options
Diffstat (limited to 'include/grpcpp/impl/codegen/call.h')
-rw-r--r-- | include/grpcpp/impl/codegen/call.h | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/include/grpcpp/impl/codegen/call.h b/include/grpcpp/impl/codegen/call.h index 28cc4a9e20..7cadea0055 100644 --- a/include/grpcpp/impl/codegen/call.h +++ b/include/grpcpp/impl/codegen/call.h @@ -50,8 +50,6 @@ namespace internal { class Call; class CallHook; -const char kBinaryErrorDetailsKey[] = "grpc-status-details-bin"; - // TODO(yangg) if the map is changed before we send, the pointers will be a // mess. Make sure it does not happen. inline grpc_metadata* FillMetadataArray( @@ -171,8 +169,8 @@ class WriteOptions { return *this; } - /// Guarantee that all bytes have been written to the wire before completing - /// this write (usually writes are completed when they pass flow control) + /// Guarantee that all bytes have been written to the socket before completing + /// this write (usually writes are completed when they pass flow control). inline WriteOptions& set_write_through() { SetBit(GRPC_WRITE_THROUGH); return *this; @@ -531,7 +529,6 @@ class CallOpRecvInitialMetadata { void FinishOp(bool* status) { if (metadata_map_ == nullptr) return; - metadata_map_->FillMap(); metadata_map_ = nullptr; } @@ -566,17 +563,14 @@ class CallOpClientRecvStatus { void FinishOp(bool* status) { if (recv_status_ == nullptr) return; - metadata_map_->FillMap(); - grpc::string binary_error_details; - auto iter = metadata_map_->map()->find(kBinaryErrorDetailsKey); - if (iter != metadata_map_->map()->end()) { - binary_error_details = - grpc::string(iter->second.begin(), iter->second.length()); - } - *recv_status_ = Status(static_cast<StatusCode>(status_code_), - grpc::string(GRPC_SLICE_START_PTR(error_message_), - GRPC_SLICE_END_PTR(error_message_)), - binary_error_details); + grpc::string binary_error_details = metadata_map_->GetBinaryErrorDetails(); + *recv_status_ = + Status(static_cast<StatusCode>(status_code_), + GRPC_SLICE_IS_EMPTY(error_message_) + ? grpc::string() + : grpc::string(GRPC_SLICE_START_PTR(error_message_), + GRPC_SLICE_END_PTR(error_message_)), + binary_error_details); client_context_->set_debug_error_string( debug_error_string_ != nullptr ? debug_error_string_ : ""); g_core_codegen_interface->grpc_slice_unref(error_message_); @@ -605,6 +599,11 @@ class CallOpSetInterface : public CompletionQueueTag { /// Fills in grpc_op, starting from ops[*nops] and moving /// upwards. virtual void FillOps(grpc_call* call, grpc_op* ops, size_t* nops) = 0; + + /// Get the tag to be used at the core completion queue. Generally, the + /// value of cq_tag will be "this". However, it can be overridden if we + /// want core to process the tag differently (e.g., as a core callback) + virtual void* cq_tag() = 0; }; /// Primary implementation of CallOpSetInterface. @@ -624,7 +623,7 @@ class CallOpSet : public CallOpSetInterface, public Op5, public Op6 { public: - CallOpSet() : return_tag_(this), call_(nullptr) {} + CallOpSet() : cq_tag_(this), return_tag_(this), call_(nullptr) {} void FillOps(grpc_call* call, grpc_op* ops, size_t* nops) override { this->Op1::AddOp(ops, nops); this->Op2::AddOp(ops, nops); @@ -651,7 +650,16 @@ class CallOpSet : public CallOpSetInterface, void set_output_tag(void* return_tag) { return_tag_ = return_tag; } + void* cq_tag() override { return cq_tag_; } + + /// set_cq_tag is used to provide a different core CQ tag than "this". + /// This is used for callback-based tags, where the core tag is the core + /// callback function. It does not change the use or behavior of any other + /// function (such as FinalizeResult) + void set_cq_tag(void* cq_tag) { cq_tag_ = cq_tag; } + private: + void* cq_tag_; void* return_tag_; grpc_call* call_; }; |