diff options
Diffstat (limited to 'src/compiler/cpp_generator.cc')
| -rw-r--r-- | src/compiler/cpp_generator.cc | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc index c386115ec2..d0c35ea1ab 100644 --- a/src/compiler/cpp_generator.cc +++ b/src/compiler/cpp_generator.cc @@ -130,6 +130,7 @@ grpc::string GetHeaderIncludes(File *file, const Parameters ¶ms) { static const char *headers_strs[] = { "grpc++/impl/codegen/async_stream.h", "grpc++/impl/codegen/async_unary_call.h", + "grpc++/impl/codegen/method_handler_impl.h", "grpc++/impl/codegen/proto_utils.h", "grpc++/impl/codegen/rpc_method.h", "grpc++/impl/codegen/service_type.h", @@ -604,6 +605,57 @@ void PrintHeaderServerMethodAsync(Printer *printer, const Method *method, printer->Print(*vars, "};\n"); } +void PrintHeaderServerMethodStreamedUnary( + Printer *printer, const Method *method, + std::map<grpc::string, grpc::string> *vars) { + (*vars)["Method"] = method->name(); + (*vars)["Request"] = method->input_type_name(); + (*vars)["Response"] = method->output_type_name(); + if (method->NoStreaming()) { + printer->Print(*vars, "template <class BaseClass>\n"); + printer->Print(*vars, + "class WithStreamedUnaryMethod_$Method$ : " + "public BaseClass {\n"); + printer->Print( + " private:\n" + " void BaseClassMustBeDerivedFromService(const Service *service) " + "{}\n"); + printer->Print(" public:\n"); + printer->Indent(); + printer->Print(*vars, + "WithStreamedUnaryMethod_$Method$() {\n" + " ::grpc::Service::MarkMethodStreamedUnary($Idx$,\n" + " new ::grpc::StreamedUnaryHandler< $Request$, " + "$Response$>(std::bind" + "(&WithStreamedUnaryMethod_$Method$<BaseClass>::" + "Streamed$Method$, this, std::placeholders::_1, " + "std::placeholders::_2)));\n" + "}\n"); + printer->Print(*vars, + "~WithStreamedUnaryMethod_$Method$() GRPC_OVERRIDE {\n" + " BaseClassMustBeDerivedFromService(this);\n" + "}\n"); + printer->Print( + *vars, + "// disable regular version of this method\n" + "::grpc::Status $Method$(" + "::grpc::ServerContext* context, const $Request$* request, " + "$Response$* response) GRPC_FINAL GRPC_OVERRIDE {\n" + " abort();\n" + " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" + "}\n"); + printer->Print(*vars, + "// replace default version of method with streamed unary\n" + "virtual ::grpc::Status Streamed$Method$(" + "::grpc::ServerContext* context, " + "::grpc::ServerUnaryStreamer< " + "$Request$,$Response$>* server_unary_streamer)" + " = 0;\n"); + printer->Outdent(); + printer->Print(*vars, "};\n"); + } +} + void PrintHeaderServerMethodGeneric( Printer *printer, const Method *method, std::map<grpc::string, grpc::string> *vars) { @@ -770,6 +822,28 @@ void PrintHeaderService(Printer *printer, const Service *service, PrintHeaderServerMethodGeneric(printer, service->method(i).get(), vars); } + // Server side - Streamed Unary + for (int i = 0; i < service->method_count(); ++i) { + (*vars)["Idx"] = as_string(i); + PrintHeaderServerMethodStreamedUnary(printer, service->method(i).get(), + vars); + } + + printer->Print("typedef "); + for (int i = 0; i < service->method_count(); ++i) { + (*vars)["method_name"] = service->method(i).get()->name(); + if (service->method(i)->NoStreaming()) { + printer->Print(*vars, "WithStreamedUnaryMethod_$method_name$<"); + } + } + printer->Print("Service"); + for (int i = 0; i < service->method_count(); ++i) { + if (service->method(i)->NoStreaming()) { + printer->Print(" >"); + } + } + printer->Print(" StreamedUnaryService;\n"); + printer->Outdent(); printer->Print("};\n"); printer->Print(service->GetTrailingComments().c_str()); @@ -1080,6 +1154,9 @@ void PrintSourceService(Printer *printer, const Service *service, (*vars)["Idx"] = as_string(i); if (method->NoStreaming()) { (*vars)["StreamingType"] = "NORMAL_RPC"; + // NOTE: There is no reason to consider streamed-unary as a separate + // category here since this part is setting up the client-side stub + // and this appears as a NORMAL_RPC from the client-side. } else if (method->ClientOnlyStreaming()) { (*vars)["StreamingType"] = "CLIENT_STREAMING"; } else if (method->ServerOnlyStreaming()) { |