| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include <map> |
| |
| #include "src/compiler/cpp_generator.h" |
| |
| #include <sstream> |
| |
| namespace grpc_cpp_generator { |
| namespace { |
| |
| template <class T> |
| grpc::string as_string(T x) { |
| std::ostringstream out; |
| out << x; |
| return out.str(); |
| } |
| |
| inline bool ClientOnlyStreaming(const grpc_generator::Method *method) { |
| return method->ClientStreaming() && !method->ServerStreaming(); |
| } |
| |
| inline bool ServerOnlyStreaming(const grpc_generator::Method *method) { |
| return !method->ClientStreaming() && method->ServerStreaming(); |
| } |
| |
| grpc::string FilenameIdentifier(const grpc::string &filename) { |
| grpc::string result; |
| for (unsigned i = 0; i < filename.size(); i++) { |
| char c = filename[i]; |
| if (isalnum(c)) { |
| result.push_back(c); |
| } else { |
| static char hex[] = "0123456789abcdef"; |
| result.push_back('_'); |
| result.push_back(hex[(c >> 4) & 0xf]); |
| result.push_back(hex[c & 0xf]); |
| } |
| } |
| return result; |
| } |
| } // namespace |
| |
| template <class T, size_t N> |
| T *array_end(T (&array)[N]) { |
| return array + N; |
| } |
| |
| void PrintIncludes(grpc_generator::Printer *printer, |
| const std::vector<grpc::string> &headers, |
| const Parameters ¶ms) { |
| std::map<grpc::string, grpc::string> vars; |
| |
| vars["l"] = params.use_system_headers ? '<' : '"'; |
| vars["r"] = params.use_system_headers ? '>' : '"'; |
| |
| auto &s = params.grpc_search_path; |
| if (!s.empty()) { |
| vars["l"] += s; |
| if (s[s.size() - 1] != '/') { |
| vars["l"] += '/'; |
| } |
| } |
| |
| for (auto i = headers.begin(); i != headers.end(); i++) { |
| vars["h"] = *i; |
| printer->Print(vars, "#include $l$$h$$r$\n"); |
| } |
| } |
| |
| grpc::string GetHeaderPrologue(grpc_generator::File *file, |
| const Parameters & /*params*/) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| |
| vars["filename"] = file->filename(); |
| vars["filename_identifier"] = FilenameIdentifier(file->filename()); |
| vars["filename_base"] = file->filename_without_ext(); |
| vars["message_header_ext"] = kCppGeneratorMessageHeaderExt; |
| |
| printer->Print(vars, "// Generated by the gRPC C++ plugin.\n"); |
| printer->Print(vars, |
| "// If you make any local change, they will be lost.\n"); |
| printer->Print(vars, "// source: $filename$\n"); |
| grpc::string leading_comments = file->GetLeadingComments("//"); |
| if (!leading_comments.empty()) { |
| printer->Print(vars, "// Original file comments:\n"); |
| printer->Print(leading_comments.c_str()); |
| } |
| printer->Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n"); |
| printer->Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n"); |
| printer->Print(vars, "\n"); |
| printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n"); |
| printer->Print(vars, file->additional_headers().c_str()); |
| printer->Print(vars, "\n"); |
| } |
| return output; |
| } |
| |
| grpc::string GetHeaderIncludes(grpc_generator::File *file, |
| const Parameters ¶ms) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| |
| 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", |
| "grpc++/impl/codegen/status.h", |
| "grpc++/impl/codegen/stub_options.h", |
| "grpc++/impl/codegen/sync_stream.h"}; |
| std::vector<grpc::string> headers(headers_strs, array_end(headers_strs)); |
| PrintIncludes(printer.get(), headers, params); |
| printer->Print(vars, "\n"); |
| printer->Print(vars, "namespace grpc {\n"); |
| printer->Print(vars, "class CompletionQueue;\n"); |
| printer->Print(vars, "class Channel;\n"); |
| printer->Print(vars, "class RpcService;\n"); |
| printer->Print(vars, "class ServerCompletionQueue;\n"); |
| printer->Print(vars, "class ServerContext;\n"); |
| printer->Print(vars, "} // namespace grpc\n\n"); |
| |
| if (!file->package().empty()) { |
| std::vector<grpc::string> parts = file->package_parts(); |
| |
| for (auto part = parts.begin(); part != parts.end(); part++) { |
| vars["part"] = *part; |
| printer->Print(vars, "namespace $part$ {\n"); |
| } |
| printer->Print(vars, "\n"); |
| } |
| } |
| return output; |
| } |
| |
| void PrintHeaderClientMethodInterfaces( |
| grpc_generator::Printer *printer, const grpc_generator::Method *method, |
| std::map<grpc::string, grpc::string> *vars, bool is_public) { |
| (*vars)["Method"] = method->name(); |
| (*vars)["Request"] = method->input_type_name(); |
| (*vars)["Response"] = method->output_type_name(); |
| |
| if (is_public) { |
| if (method->NoStreaming()) { |
| printer->Print( |
| *vars, |
| "virtual ::grpc::Status $Method$(::grpc::ClientContext* context, " |
| "const $Request$& request, $Response$* response) = 0;\n"); |
| printer->Print(*vars, |
| "std::unique_ptr< " |
| "::grpc::ClientAsyncResponseReaderInterface< $Response$>> " |
| "Async$Method$(::grpc::ClientContext* context, " |
| "const $Request$& request, " |
| "::grpc::CompletionQueue* cq) {\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientAsyncResponseReaderInterface< $Response$>>(" |
| "Async$Method$Raw(context, request, cq));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>" |
| " $Method$(" |
| "::grpc::ClientContext* context, $Response$* response) {\n"); |
| printer->Indent(); |
| printer->Print( |
| *vars, |
| "return std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>" |
| "($Method$Raw(context, response));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientAsyncWriterInterface< $Request$>>" |
| " Async$Method$(::grpc::ClientContext* context, $Response$* " |
| "response, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientAsyncWriterInterface< $Request$>>(" |
| "Async$Method$Raw(context, response, cq, tag));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>" |
| " $Method$(::grpc::ClientContext* context, const $Request$& request)" |
| " {\n"); |
| printer->Indent(); |
| printer->Print( |
| *vars, |
| "return std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>" |
| "($Method$Raw(context, request));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientAsyncReaderInterface< $Response$>> " |
| "Async$Method$(" |
| "::grpc::ClientContext* context, const $Request$& request, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientAsyncReaderInterface< $Response$>>(" |
| "Async$Method$Raw(context, request, cq, tag));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print(*vars, |
| "std::unique_ptr< ::grpc::ClientReaderWriterInterface< " |
| "$Request$, $Response$>> " |
| "$Method$(::grpc::ClientContext* context) {\n"); |
| printer->Indent(); |
| printer->Print( |
| *vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientReaderWriterInterface< $Request$, $Response$>>(" |
| "$Method$Raw(context));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| printer->Print( |
| *vars, |
| "std::unique_ptr< " |
| "::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>> " |
| "Async$Method$(::grpc::ClientContext* context, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Indent(); |
| printer->Print( |
| *vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>>(" |
| "Async$Method$Raw(context, cq, tag));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| } else { |
| if (method->NoStreaming()) { |
| printer->Print( |
| *vars, |
| "virtual ::grpc::ClientAsyncResponseReaderInterface< $Response$>* " |
| "Async$Method$Raw(::grpc::ClientContext* context, " |
| "const $Request$& request, " |
| "::grpc::CompletionQueue* cq) = 0;\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "virtual ::grpc::ClientWriterInterface< $Request$>*" |
| " $Method$Raw(" |
| "::grpc::ClientContext* context, $Response$* response) = 0;\n"); |
| printer->Print(*vars, |
| "virtual ::grpc::ClientAsyncWriterInterface< $Request$>*" |
| " Async$Method$Raw(::grpc::ClientContext* context, " |
| "$Response$* response, " |
| "::grpc::CompletionQueue* cq, void* tag) = 0;\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "virtual ::grpc::ClientReaderInterface< $Response$>* $Method$Raw(" |
| "::grpc::ClientContext* context, const $Request$& request) = 0;\n"); |
| printer->Print( |
| *vars, |
| "virtual ::grpc::ClientAsyncReaderInterface< $Response$>* " |
| "Async$Method$Raw(" |
| "::grpc::ClientContext* context, const $Request$& request, " |
| "::grpc::CompletionQueue* cq, void* tag) = 0;\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print(*vars, |
| "virtual ::grpc::ClientReaderWriterInterface< $Request$, " |
| "$Response$>* " |
| "$Method$Raw(::grpc::ClientContext* context) = 0;\n"); |
| printer->Print(*vars, |
| "virtual ::grpc::ClientAsyncReaderWriterInterface< " |
| "$Request$, $Response$>* " |
| "Async$Method$Raw(::grpc::ClientContext* context, " |
| "::grpc::CompletionQueue* cq, void* tag) = 0;\n"); |
| } |
| } |
| } |
| |
| void PrintHeaderClientMethod(grpc_generator::Printer *printer, |
| const grpc_generator::Method *method, |
| std::map<grpc::string, grpc::string> *vars, |
| bool is_public) { |
| (*vars)["Method"] = method->name(); |
| (*vars)["Request"] = method->input_type_name(); |
| (*vars)["Response"] = method->output_type_name(); |
| if (is_public) { |
| if (method->NoStreaming()) { |
| printer->Print( |
| *vars, |
| "::grpc::Status $Method$(::grpc::ClientContext* context, " |
| "const $Request$& request, $Response$* response) override;\n"); |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientAsyncResponseReader< $Response$>> " |
| "Async$Method$(::grpc::ClientContext* context, " |
| "const $Request$& request, " |
| "::grpc::CompletionQueue* cq) {\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientAsyncResponseReader< $Response$>>(" |
| "Async$Method$Raw(context, request, cq));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientWriter< $Request$>>" |
| " $Method$(" |
| "::grpc::ClientContext* context, $Response$* response) {\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "return std::unique_ptr< ::grpc::ClientWriter< $Request$>>" |
| "($Method$Raw(context, response));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| printer->Print(*vars, |
| "std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>" |
| " Async$Method$(::grpc::ClientContext* context, " |
| "$Response$* response, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Indent(); |
| printer->Print( |
| *vars, |
| "return std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>(" |
| "Async$Method$Raw(context, response, cq, tag));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientReader< $Response$>>" |
| " $Method$(::grpc::ClientContext* context, const $Request$& request)" |
| " {\n"); |
| printer->Indent(); |
| printer->Print( |
| *vars, |
| "return std::unique_ptr< ::grpc::ClientReader< $Response$>>" |
| "($Method$Raw(context, request));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> " |
| "Async$Method$(" |
| "::grpc::ClientContext* context, const $Request$& request, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Indent(); |
| printer->Print( |
| *vars, |
| "return std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>>(" |
| "Async$Method$Raw(context, request, cq, tag));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print( |
| *vars, |
| "std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>>" |
| " $Method$(::grpc::ClientContext* context) {\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientReaderWriter< $Request$, $Response$>>(" |
| "$Method$Raw(context));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| printer->Print(*vars, |
| "std::unique_ptr< ::grpc::ClientAsyncReaderWriter< " |
| "$Request$, $Response$>> " |
| "Async$Method$(::grpc::ClientContext* context, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "return std::unique_ptr< " |
| "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>>(" |
| "Async$Method$Raw(context, cq, tag));\n"); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| } else { |
| if (method->NoStreaming()) { |
| printer->Print(*vars, |
| "::grpc::ClientAsyncResponseReader< $Response$>* " |
| "Async$Method$Raw(::grpc::ClientContext* context, " |
| "const $Request$& request, " |
| "::grpc::CompletionQueue* cq) override;\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print(*vars, |
| "::grpc::ClientWriter< $Request$>* $Method$Raw(" |
| "::grpc::ClientContext* context, $Response$* response) " |
| "override;\n"); |
| printer->Print(*vars, |
| "::grpc::ClientAsyncWriter< $Request$>* Async$Method$Raw(" |
| "::grpc::ClientContext* context, $Response$* response, " |
| "::grpc::CompletionQueue* cq, void* tag) override;\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print(*vars, |
| "::grpc::ClientReader< $Response$>* $Method$Raw(" |
| "::grpc::ClientContext* context, const $Request$& request)" |
| " override;\n"); |
| printer->Print( |
| *vars, |
| "::grpc::ClientAsyncReader< $Response$>* Async$Method$Raw(" |
| "::grpc::ClientContext* context, const $Request$& request, " |
| "::grpc::CompletionQueue* cq, void* tag) override;\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print(*vars, |
| "::grpc::ClientReaderWriter< $Request$, $Response$>* " |
| "$Method$Raw(::grpc::ClientContext* context) override;\n"); |
| printer->Print(*vars, |
| "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* " |
| "Async$Method$Raw(::grpc::ClientContext* context, " |
| "::grpc::CompletionQueue* cq, void* tag) override;\n"); |
| } |
| } |
| } |
| |
| void PrintHeaderClientMethodData(grpc_generator::Printer *printer, |
| const grpc_generator::Method *method, |
| std::map<grpc::string, grpc::string> *vars) { |
| (*vars)["Method"] = method->name(); |
| printer->Print(*vars, "const ::grpc::RpcMethod rpcmethod_$Method$_;\n"); |
| } |
| |
| void PrintHeaderServerMethodSync(grpc_generator::Printer *printer, |
| const grpc_generator::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(); |
| printer->Print(method->GetLeadingComments("//").c_str()); |
| if (method->NoStreaming()) { |
| printer->Print(*vars, |
| "virtual ::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, const $Request$* request, " |
| "$Response$* response);\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print(*vars, |
| "virtual ::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReader< $Request$>* reader, " |
| "$Response$* response);\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print(*vars, |
| "virtual ::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, const $Request$* request, " |
| "::grpc::ServerWriter< $Response$>* writer);\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print( |
| *vars, |
| "virtual ::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReaderWriter< $Response$, $Request$>* stream);" |
| "\n"); |
| } |
| printer->Print(method->GetTrailingComments("//").c_str()); |
| } |
| |
| void PrintHeaderServerMethodAsync(grpc_generator::Printer *printer, |
| const grpc_generator::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(); |
| printer->Print(*vars, "template <class BaseClass>\n"); |
| printer->Print(*vars, |
| "class WithAsyncMethod_$Method$ : public BaseClass {\n"); |
| printer->Print( |
| " private:\n" |
| " void BaseClassMustBeDerivedFromService(const Service *service) {}\n"); |
| printer->Print(" public:\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "WithAsyncMethod_$Method$() {\n" |
| " ::grpc::Service::MarkMethodAsync($Idx$);\n" |
| "}\n"); |
| printer->Print(*vars, |
| "~WithAsyncMethod_$Method$() override {\n" |
| " BaseClassMustBeDerivedFromService(this);\n" |
| "}\n"); |
| if (method->NoStreaming()) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, const $Request$* request, " |
| "$Response$* response) final override {\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| printer->Print( |
| *vars, |
| "void Request$Method$(" |
| "::grpc::ServerContext* context, $Request$* request, " |
| "::grpc::ServerAsyncResponseWriter< $Response$>* response, " |
| "::grpc::CompletionQueue* new_call_cq, " |
| "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| printer->Print(*vars, |
| " ::grpc::Service::RequestAsyncUnary($Idx$, context, " |
| "request, response, new_call_cq, notification_cq, tag);\n"); |
| printer->Print("}\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReader< $Request$>* reader, " |
| "$Response$* response) final override {\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| printer->Print( |
| *vars, |
| "void Request$Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerAsyncReader< $Response$, $Request$>* reader, " |
| "::grpc::CompletionQueue* new_call_cq, " |
| "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| printer->Print(*vars, |
| " ::grpc::Service::RequestAsyncClientStreaming($Idx$, " |
| "context, reader, new_call_cq, notification_cq, tag);\n"); |
| printer->Print("}\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, const $Request$* request, " |
| "::grpc::ServerWriter< $Response$>* writer) final override " |
| "{\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| printer->Print( |
| *vars, |
| "void Request$Method$(" |
| "::grpc::ServerContext* context, $Request$* request, " |
| "::grpc::ServerAsyncWriter< $Response$>* writer, " |
| "::grpc::CompletionQueue* new_call_cq, " |
| "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| printer->Print( |
| *vars, |
| " ::grpc::Service::RequestAsyncServerStreaming($Idx$, " |
| "context, request, writer, new_call_cq, notification_cq, tag);\n"); |
| printer->Print("}\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReaderWriter< $Response$, $Request$>* stream) " |
| "final override {\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| printer->Print( |
| *vars, |
| "void Request$Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerAsyncReaderWriter< $Response$, $Request$>* stream, " |
| "::grpc::CompletionQueue* new_call_cq, " |
| "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| printer->Print(*vars, |
| " ::grpc::Service::RequestAsyncBidiStreaming($Idx$, " |
| "context, stream, new_call_cq, notification_cq, tag);\n"); |
| printer->Print("}\n"); |
| } |
| printer->Outdent(); |
| printer->Print(*vars, "};\n"); |
| } |
| |
| void PrintHeaderServerMethodStreamedUnary( |
| grpc_generator::Printer *printer, const grpc_generator::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::MarkMethodStreamed($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$() 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) final 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 PrintHeaderServerMethodSplitStreaming( |
| grpc_generator::Printer *printer, const grpc_generator::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 (ServerOnlyStreaming(method)) { |
| printer->Print(*vars, "template <class BaseClass>\n"); |
| printer->Print(*vars, |
| "class WithSplitStreamingMethod_$Method$ : " |
| "public BaseClass {\n"); |
| printer->Print( |
| " private:\n" |
| " void BaseClassMustBeDerivedFromService(const Service *service) " |
| "{}\n"); |
| printer->Print(" public:\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "WithSplitStreamingMethod_$Method$() {\n" |
| " ::grpc::Service::MarkMethodStreamed($Idx$,\n" |
| " new ::grpc::SplitServerStreamingHandler< $Request$, " |
| "$Response$>(std::bind" |
| "(&WithSplitStreamingMethod_$Method$<BaseClass>::" |
| "Streamed$Method$, this, std::placeholders::_1, " |
| "std::placeholders::_2)));\n" |
| "}\n"); |
| printer->Print(*vars, |
| "~WithSplitStreamingMethod_$Method$() 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, " |
| "::grpc::ServerWriter< $Response$>* writer) final override " |
| "{\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| printer->Print(*vars, |
| "// replace default version of method with split streamed\n" |
| "virtual ::grpc::Status Streamed$Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerSplitStreamer< " |
| "$Request$,$Response$>* server_split_streamer)" |
| " = 0;\n"); |
| printer->Outdent(); |
| printer->Print(*vars, "};\n"); |
| } |
| } |
| |
| void PrintHeaderServerMethodGeneric( |
| grpc_generator::Printer *printer, const grpc_generator::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(); |
| printer->Print(*vars, "template <class BaseClass>\n"); |
| printer->Print(*vars, |
| "class WithGenericMethod_$Method$ : public BaseClass {\n"); |
| printer->Print( |
| " private:\n" |
| " void BaseClassMustBeDerivedFromService(const Service *service) {}\n"); |
| printer->Print(" public:\n"); |
| printer->Indent(); |
| printer->Print(*vars, |
| "WithGenericMethod_$Method$() {\n" |
| " ::grpc::Service::MarkMethodGeneric($Idx$);\n" |
| "}\n"); |
| printer->Print(*vars, |
| "~WithGenericMethod_$Method$() override {\n" |
| " BaseClassMustBeDerivedFromService(this);\n" |
| "}\n"); |
| if (method->NoStreaming()) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, const $Request$* request, " |
| "$Response$* response) final override {\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReader< $Request$>* reader, " |
| "$Response$* response) final override {\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, const $Request$* request, " |
| "::grpc::ServerWriter< $Response$>* writer) final override " |
| "{\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print( |
| *vars, |
| "// disable synchronous version of this method\n" |
| "::grpc::Status $Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReaderWriter< $Response$, $Request$>* stream) " |
| "final override {\n" |
| " abort();\n" |
| " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| "}\n"); |
| } |
| printer->Outdent(); |
| printer->Print(*vars, "};\n"); |
| } |
| |
| void PrintHeaderService(grpc_generator::Printer *printer, |
| const grpc_generator::Service *service, |
| std::map<grpc::string, grpc::string> *vars) { |
| (*vars)["Service"] = service->name(); |
| |
| printer->Print(service->GetLeadingComments("//").c_str()); |
| printer->Print(*vars, |
| "class $Service$ final {\n" |
| " public:\n"); |
| printer->Indent(); |
| |
| // Service metadata |
| printer->Print(*vars, |
| "static constexpr char const* service_full_name() {\n" |
| " return \"$Package$$Service$\";\n" |
| "}\n"); |
| |
| // Client side |
| printer->Print( |
| "class StubInterface {\n" |
| " public:\n"); |
| printer->Indent(); |
| printer->Print("virtual ~StubInterface() {}\n"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| printer->Print(service->method(i)->GetLeadingComments("//").c_str()); |
| PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, |
| true); |
| printer->Print(service->method(i)->GetTrailingComments("//").c_str()); |
| } |
| printer->Outdent(); |
| printer->Print("private:\n"); |
| printer->Indent(); |
| for (int i = 0; i < service->method_count(); ++i) { |
| PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, |
| false); |
| } |
| printer->Outdent(); |
| printer->Print("};\n"); |
| printer->Print( |
| "class Stub final : public StubInterface" |
| " {\n public:\n"); |
| printer->Indent(); |
| printer->Print( |
| "Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);\n"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| PrintHeaderClientMethod(printer, service->method(i).get(), vars, true); |
| } |
| printer->Outdent(); |
| printer->Print("\n private:\n"); |
| printer->Indent(); |
| printer->Print("std::shared_ptr< ::grpc::ChannelInterface> channel_;\n"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| PrintHeaderClientMethod(printer, service->method(i).get(), vars, false); |
| } |
| for (int i = 0; i < service->method_count(); ++i) { |
| PrintHeaderClientMethodData(printer, service->method(i).get(), vars); |
| } |
| printer->Outdent(); |
| printer->Print("};\n"); |
| printer->Print( |
| "static std::unique_ptr<Stub> NewStub(const std::shared_ptr< " |
| "::grpc::ChannelInterface>& channel, " |
| "const ::grpc::StubOptions& options = ::grpc::StubOptions());\n"); |
| |
| printer->Print("\n"); |
| |
| // Server side - base |
| printer->Print( |
| "class Service : public ::grpc::Service {\n" |
| " public:\n"); |
| printer->Indent(); |
| printer->Print("Service();\n"); |
| printer->Print("virtual ~Service();\n"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| PrintHeaderServerMethodSync(printer, service->method(i).get(), vars); |
| } |
| printer->Outdent(); |
| printer->Print("};\n"); |
| |
| // Server side - Asynchronous |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["Idx"] = as_string(i); |
| PrintHeaderServerMethodAsync(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(); |
| printer->Print(*vars, "WithAsyncMethod_$method_name$<"); |
| } |
| printer->Print("Service"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| printer->Print(" >"); |
| } |
| printer->Print(" AsyncService;\n"); |
| |
| // Server side - Generic |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["Idx"] = as_string(i); |
| PrintHeaderServerMethodGeneric(printer, service->method(i).get(), vars); |
| } |
| |
| // Server side - Streamed Unary |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["Idx"] = as_string(i); |
| PrintHeaderServerMethodStreamedUnary(printer, service->method(i).get(), |
| vars); |
| } |
| |
| printer->Print("typedef "); |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["method_name"] = service->method(i).get()->name(); |
| if (service->method(i)->NoStreaming()) { |
| printer->Print(*vars, "WithStreamedUnaryMethod_$method_name$<"); |
| } |
| } |
| printer->Print("Service"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| if (service->method(i)->NoStreaming()) { |
| printer->Print(" >"); |
| } |
| } |
| printer->Print(" StreamedUnaryService;\n"); |
| |
| // Server side - controlled server-side streaming |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["Idx"] = as_string(i); |
| PrintHeaderServerMethodSplitStreaming(printer, service->method(i).get(), |
| vars); |
| } |
| |
| printer->Print("typedef "); |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["method_name"] = service->method(i).get()->name(); |
| auto method = service->method(i); |
| if (ServerOnlyStreaming(method.get())) { |
| printer->Print(*vars, "WithSplitStreamingMethod_$method_name$<"); |
| } |
| } |
| printer->Print("Service"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| auto method = service->method(i); |
| if (ServerOnlyStreaming(method.get())) { |
| printer->Print(" >"); |
| } |
| } |
| printer->Print(" SplitStreamedService;\n"); |
| |
| // Server side - typedef for controlled both unary and server-side streaming |
| printer->Print("typedef "); |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["method_name"] = service->method(i).get()->name(); |
| auto method = service->method(i); |
| if (ServerOnlyStreaming(method.get())) { |
| printer->Print(*vars, "WithSplitStreamingMethod_$method_name$<"); |
| } |
| if (service->method(i)->NoStreaming()) { |
| printer->Print(*vars, "WithStreamedUnaryMethod_$method_name$<"); |
| } |
| } |
| printer->Print("Service"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| auto method = service->method(i); |
| if (service->method(i)->NoStreaming() || |
| ServerOnlyStreaming(method.get())) { |
| printer->Print(" >"); |
| } |
| } |
| printer->Print(" StreamedService;\n"); |
| |
| printer->Outdent(); |
| printer->Print("};\n"); |
| printer->Print(service->GetTrailingComments("//").c_str()); |
| } |
| |
| grpc::string GetHeaderServices(grpc_generator::File *file, |
| const Parameters ¶ms) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| // Package string is empty or ends with a dot. It is used to fully qualify |
| // method names. |
| vars["Package"] = file->package(); |
| if (!file->package().empty()) { |
| vars["Package"].append("."); |
| } |
| |
| if (!params.services_namespace.empty()) { |
| vars["services_namespace"] = params.services_namespace; |
| printer->Print(vars, "\nnamespace $services_namespace$ {\n\n"); |
| } |
| |
| for (int i = 0; i < file->service_count(); ++i) { |
| PrintHeaderService(printer.get(), file->service(i).get(), &vars); |
| printer->Print("\n"); |
| } |
| |
| if (!params.services_namespace.empty()) { |
| printer->Print(vars, "} // namespace $services_namespace$\n\n"); |
| } |
| } |
| return output; |
| } |
| |
| grpc::string GetHeaderEpilogue(grpc_generator::File *file, |
| const Parameters & /*params*/) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| |
| vars["filename"] = file->filename(); |
| vars["filename_identifier"] = FilenameIdentifier(file->filename()); |
| |
| if (!file->package().empty()) { |
| std::vector<grpc::string> parts = file->package_parts(); |
| |
| for (auto part = parts.rbegin(); part != parts.rend(); part++) { |
| vars["part"] = *part; |
| printer->Print(vars, "} // namespace $part$\n"); |
| } |
| printer->Print(vars, "\n"); |
| } |
| |
| printer->Print(vars, "\n"); |
| printer->Print(vars, "#endif // GRPC_$filename_identifier$__INCLUDED\n"); |
| |
| printer->Print(file->GetTrailingComments("//").c_str()); |
| } |
| return output; |
| } |
| |
| grpc::string GetSourcePrologue(grpc_generator::File *file, |
| const Parameters & /*params*/) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| |
| vars["filename"] = file->filename(); |
| vars["filename_base"] = file->filename_without_ext(); |
| vars["message_header_ext"] = kCppGeneratorMessageHeaderExt; |
| vars["service_header_ext"] = kCppGeneratorServiceHeaderExt; |
| |
| printer->Print(vars, "// Generated by the gRPC C++ plugin.\n"); |
| printer->Print(vars, |
| "// If you make any local change, they will be lost.\n"); |
| printer->Print(vars, "// source: $filename$\n\n"); |
| |
| printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n"); |
| printer->Print(vars, "#include \"$filename_base$$service_header_ext$\"\n"); |
| printer->Print(vars, "\n"); |
| } |
| return output; |
| } |
| |
| grpc::string GetSourceIncludes(grpc_generator::File *file, |
| const Parameters ¶ms) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| |
| static const char *headers_strs[] = { |
| "grpc++/impl/codegen/async_stream.h", |
| "grpc++/impl/codegen/async_unary_call.h", |
| "grpc++/impl/codegen/channel_interface.h", |
| "grpc++/impl/codegen/client_unary_call.h", |
| "grpc++/impl/codegen/method_handler_impl.h", |
| "grpc++/impl/codegen/rpc_service_method.h", |
| "grpc++/impl/codegen/service_type.h", |
| "grpc++/impl/codegen/sync_stream.h"}; |
| std::vector<grpc::string> headers(headers_strs, array_end(headers_strs)); |
| PrintIncludes(printer.get(), headers, params); |
| |
| if (!file->package().empty()) { |
| std::vector<grpc::string> parts = file->package_parts(); |
| |
| for (auto part = parts.begin(); part != parts.end(); part++) { |
| vars["part"] = *part; |
| printer->Print(vars, "namespace $part$ {\n"); |
| } |
| } |
| |
| printer->Print(vars, "\n"); |
| } |
| return output; |
| } |
| |
| void PrintSourceClientMethod(grpc_generator::Printer *printer, |
| const grpc_generator::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, |
| "::grpc::Status $ns$$Service$::Stub::$Method$(" |
| "::grpc::ClientContext* context, " |
| "const $Request$& request, $Response$* response) {\n"); |
| printer->Print(*vars, |
| " return ::grpc::BlockingUnaryCall(channel_.get(), " |
| "rpcmethod_$Method$_, " |
| "context, request, response);\n" |
| "}\n\n"); |
| printer->Print( |
| *vars, |
| "::grpc::ClientAsyncResponseReader< $Response$>* " |
| "$ns$$Service$::Stub::Async$Method$Raw(::grpc::ClientContext* context, " |
| "const $Request$& request, " |
| "::grpc::CompletionQueue* cq) {\n"); |
| printer->Print(*vars, |
| " return " |
| "::grpc::ClientAsyncResponseReader< $Response$>::Create(" |
| "channel_.get(), cq, " |
| "rpcmethod_$Method$_, " |
| "context, request);\n" |
| "}\n\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print(*vars, |
| "::grpc::ClientWriter< $Request$>* " |
| "$ns$$Service$::Stub::$Method$Raw(" |
| "::grpc::ClientContext* context, $Response$* response) {\n"); |
| printer->Print(*vars, |
| " return new ::grpc::ClientWriter< $Request$>(" |
| "channel_.get(), " |
| "rpcmethod_$Method$_, " |
| "context, response);\n" |
| "}\n\n"); |
| printer->Print(*vars, |
| "::grpc::ClientAsyncWriter< $Request$>* " |
| "$ns$$Service$::Stub::Async$Method$Raw(" |
| "::grpc::ClientContext* context, $Response$* response, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Print(*vars, |
| " return ::grpc::ClientAsyncWriter< $Request$>::Create(" |
| "channel_.get(), cq, " |
| "rpcmethod_$Method$_, " |
| "context, response, tag);\n" |
| "}\n\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "::grpc::ClientReader< $Response$>* " |
| "$ns$$Service$::Stub::$Method$Raw(" |
| "::grpc::ClientContext* context, const $Request$& request) {\n"); |
| printer->Print(*vars, |
| " return new ::grpc::ClientReader< $Response$>(" |
| "channel_.get(), " |
| "rpcmethod_$Method$_, " |
| "context, request);\n" |
| "}\n\n"); |
| printer->Print(*vars, |
| "::grpc::ClientAsyncReader< $Response$>* " |
| "$ns$$Service$::Stub::Async$Method$Raw(" |
| "::grpc::ClientContext* context, const $Request$& request, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Print(*vars, |
| " return ::grpc::ClientAsyncReader< $Response$>::Create(" |
| "channel_.get(), cq, " |
| "rpcmethod_$Method$_, " |
| "context, request, tag);\n" |
| "}\n\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print( |
| *vars, |
| "::grpc::ClientReaderWriter< $Request$, $Response$>* " |
| "$ns$$Service$::Stub::$Method$Raw(::grpc::ClientContext* context) {\n"); |
| printer->Print(*vars, |
| " return new ::grpc::ClientReaderWriter< " |
| "$Request$, $Response$>(" |
| "channel_.get(), " |
| "rpcmethod_$Method$_, " |
| "context);\n" |
| "}\n\n"); |
| printer->Print( |
| *vars, |
| "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* " |
| "$ns$$Service$::Stub::Async$Method$Raw(::grpc::ClientContext* context, " |
| "::grpc::CompletionQueue* cq, void* tag) {\n"); |
| printer->Print( |
| *vars, |
| " return " |
| "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>::Create(" |
| "channel_.get(), cq, " |
| "rpcmethod_$Method$_, " |
| "context, tag);\n" |
| "}\n\n"); |
| } |
| } |
| |
| void PrintSourceServerMethod(grpc_generator::Printer *printer, |
| const grpc_generator::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, |
| "::grpc::Status $ns$$Service$::Service::$Method$(" |
| "::grpc::ServerContext* context, " |
| "const $Request$* request, $Response$* response) {\n"); |
| printer->Print(" (void) context;\n"); |
| printer->Print(" (void) request;\n"); |
| printer->Print(" (void) response;\n"); |
| printer->Print( |
| " return ::grpc::Status(" |
| "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| printer->Print("}\n\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print(*vars, |
| "::grpc::Status $ns$$Service$::Service::$Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReader< $Request$>* reader, " |
| "$Response$* response) {\n"); |
| printer->Print(" (void) context;\n"); |
| printer->Print(" (void) reader;\n"); |
| printer->Print(" (void) response;\n"); |
| printer->Print( |
| " return ::grpc::Status(" |
| "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| printer->Print("}\n\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print(*vars, |
| "::grpc::Status $ns$$Service$::Service::$Method$(" |
| "::grpc::ServerContext* context, " |
| "const $Request$* request, " |
| "::grpc::ServerWriter< $Response$>* writer) {\n"); |
| printer->Print(" (void) context;\n"); |
| printer->Print(" (void) request;\n"); |
| printer->Print(" (void) writer;\n"); |
| printer->Print( |
| " return ::grpc::Status(" |
| "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| printer->Print("}\n\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print(*vars, |
| "::grpc::Status $ns$$Service$::Service::$Method$(" |
| "::grpc::ServerContext* context, " |
| "::grpc::ServerReaderWriter< $Response$, $Request$>* " |
| "stream) {\n"); |
| printer->Print(" (void) context;\n"); |
| printer->Print(" (void) stream;\n"); |
| printer->Print( |
| " return ::grpc::Status(" |
| "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| printer->Print("}\n\n"); |
| } |
| } |
| |
| void PrintSourceService(grpc_generator::Printer *printer, |
| const grpc_generator::Service *service, |
| std::map<grpc::string, grpc::string> *vars) { |
| (*vars)["Service"] = service->name(); |
| |
| if (service->method_count() > 0) { |
| printer->Print(*vars, |
| "static const char* $prefix$$Service$_method_names[] = {\n"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["Method"] = service->method(i).get()->name(); |
| printer->Print(*vars, " \"/$Package$$Service$/$Method$\",\n"); |
| } |
| printer->Print(*vars, "};\n\n"); |
| } |
| |
| printer->Print(*vars, |
| "std::unique_ptr< $ns$$Service$::Stub> $ns$$Service$::NewStub(" |
| "const std::shared_ptr< ::grpc::ChannelInterface>& channel, " |
| "const ::grpc::StubOptions& options) {\n" |
| " std::unique_ptr< $ns$$Service$::Stub> stub(new " |
| "$ns$$Service$::Stub(channel));\n" |
| " return stub;\n" |
| "}\n\n"); |
| printer->Print(*vars, |
| "$ns$$Service$::Stub::Stub(const std::shared_ptr< " |
| "::grpc::ChannelInterface>& channel)\n"); |
| printer->Indent(); |
| printer->Print(": channel_(channel)"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| auto method = service->method(i); |
| (*vars)["Method"] = method->name(); |
| (*vars)["Idx"] = as_string(i); |
| if (method->NoStreaming()) { |
| (*vars)["StreamingType"] = "NORMAL_RPC"; |
| // NOTE: There is no reason to consider streamed-unary as a separate |
| // category here since this part is setting up the client-side stub |
| // and this appears as a NORMAL_RPC from the client-side. |
| } else if (ClientOnlyStreaming(method.get())) { |
| (*vars)["StreamingType"] = "CLIENT_STREAMING"; |
| } else if (ServerOnlyStreaming(method.get())) { |
| (*vars)["StreamingType"] = "SERVER_STREAMING"; |
| } else { |
| (*vars)["StreamingType"] = "BIDI_STREAMING"; |
| } |
| printer->Print(*vars, |
| ", rpcmethod_$Method$_(" |
| "$prefix$$Service$_method_names[$Idx$], " |
| "::grpc::RpcMethod::$StreamingType$, " |
| "channel" |
| ")\n"); |
| } |
| printer->Print("{}\n\n"); |
| printer->Outdent(); |
| |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["Idx"] = as_string(i); |
| PrintSourceClientMethod(printer, service->method(i).get(), vars); |
| } |
| |
| printer->Print(*vars, "$ns$$Service$::Service::Service() {\n"); |
| printer->Indent(); |
| for (int i = 0; i < service->method_count(); ++i) { |
| auto method = service->method(i); |
| (*vars)["Idx"] = as_string(i); |
| (*vars)["Method"] = method->name(); |
| (*vars)["Request"] = method->input_type_name(); |
| (*vars)["Response"] = method->output_type_name(); |
| if (method->NoStreaming()) { |
| printer->Print( |
| *vars, |
| "AddMethod(new ::grpc::RpcServiceMethod(\n" |
| " $prefix$$Service$_method_names[$Idx$],\n" |
| " ::grpc::RpcMethod::NORMAL_RPC,\n" |
| " new ::grpc::RpcMethodHandler< $ns$$Service$::Service, " |
| "$Request$, " |
| "$Response$>(\n" |
| " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| } else if (ClientOnlyStreaming(method.get())) { |
| printer->Print( |
| *vars, |
| "AddMethod(new ::grpc::RpcServiceMethod(\n" |
| " $prefix$$Service$_method_names[$Idx$],\n" |
| " ::grpc::RpcMethod::CLIENT_STREAMING,\n" |
| " new ::grpc::ClientStreamingHandler< " |
| "$ns$$Service$::Service, $Request$, $Response$>(\n" |
| " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| } else if (ServerOnlyStreaming(method.get())) { |
| printer->Print( |
| *vars, |
| "AddMethod(new ::grpc::RpcServiceMethod(\n" |
| " $prefix$$Service$_method_names[$Idx$],\n" |
| " ::grpc::RpcMethod::SERVER_STREAMING,\n" |
| " new ::grpc::ServerStreamingHandler< " |
| "$ns$$Service$::Service, $Request$, $Response$>(\n" |
| " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print( |
| *vars, |
| "AddMethod(new ::grpc::RpcServiceMethod(\n" |
| " $prefix$$Service$_method_names[$Idx$],\n" |
| " ::grpc::RpcMethod::BIDI_STREAMING,\n" |
| " new ::grpc::BidiStreamingHandler< " |
| "$ns$$Service$::Service, $Request$, $Response$>(\n" |
| " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| } |
| } |
| printer->Outdent(); |
| printer->Print(*vars, "}\n\n"); |
| printer->Print(*vars, |
| "$ns$$Service$::Service::~Service() {\n" |
| "}\n\n"); |
| for (int i = 0; i < service->method_count(); ++i) { |
| (*vars)["Idx"] = as_string(i); |
| PrintSourceServerMethod(printer, service->method(i).get(), vars); |
| } |
| } |
| |
| grpc::string GetSourceServices(grpc_generator::File *file, |
| const Parameters ¶ms) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| // Package string is empty or ends with a dot. It is used to fully qualify |
| // method names. |
| vars["Package"] = file->package(); |
| if (!file->package().empty()) { |
| vars["Package"].append("."); |
| } |
| if (!params.services_namespace.empty()) { |
| vars["ns"] = params.services_namespace + "::"; |
| vars["prefix"] = params.services_namespace; |
| } else { |
| vars["ns"] = ""; |
| vars["prefix"] = ""; |
| } |
| |
| for (int i = 0; i < file->service_count(); ++i) { |
| PrintSourceService(printer.get(), file->service(i).get(), &vars); |
| printer->Print("\n"); |
| } |
| } |
| return output; |
| } |
| |
| grpc::string GetSourceEpilogue(grpc_generator::File *file, |
| const Parameters & /*params*/) { |
| grpc::string temp; |
| |
| if (!file->package().empty()) { |
| std::vector<grpc::string> parts = file->package_parts(); |
| |
| for (auto part = parts.begin(); part != parts.end(); part++) { |
| temp.append("} // namespace "); |
| temp.append(*part); |
| temp.append("\n"); |
| } |
| temp.append("\n"); |
| } |
| |
| return temp; |
| } |
| |
| // TODO(mmukhi): Make sure we need parameters or not. |
| grpc::string GetMockPrologue(grpc_generator::File *file, |
| const Parameters & /*params*/) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| |
| vars["filename"] = file->filename(); |
| vars["filename_base"] = file->filename_without_ext(); |
| vars["message_header_ext"] = kCppGeneratorMessageHeaderExt; |
| vars["service_header_ext"] = kCppGeneratorServiceHeaderExt; |
| |
| printer->Print(vars, "// Generated by the gRPC C++ plugin.\n"); |
| printer->Print(vars, |
| "// If you make any local change, they will be lost.\n"); |
| printer->Print(vars, "// source: $filename$\n\n"); |
| |
| printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n"); |
| printer->Print(vars, "#include \"$filename_base$$service_header_ext$\"\n"); |
| printer->Print(vars, file->additional_headers().c_str()); |
| printer->Print(vars, "\n"); |
| } |
| return output; |
| } |
| |
| // TODO(mmukhi): Add client-stream and completion-queue headers. |
| grpc::string GetMockIncludes(grpc_generator::File *file, |
| const Parameters ¶ms) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| |
| static const char *headers_strs[] = { |
| "grpc++/impl/codegen/async_stream.h", |
| "grpc++/impl/codegen/sync_stream.h", "gmock/gmock.h", |
| }; |
| std::vector<grpc::string> headers(headers_strs, array_end(headers_strs)); |
| PrintIncludes(printer.get(), headers, params); |
| |
| if (!file->package().empty()) { |
| std::vector<grpc::string> parts = file->package_parts(); |
| |
| for (auto part = parts.begin(); part != parts.end(); part++) { |
| vars["part"] = *part; |
| printer->Print(vars, "namespace $part$ {\n"); |
| } |
| } |
| |
| printer->Print(vars, "\n"); |
| } |
| return output; |
| } |
| |
| void PrintMockClientMethods(grpc_generator::Printer *printer, |
| const grpc_generator::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, |
| "MOCK_METHOD3($Method$, ::grpc::Status(::grpc::ClientContext* context, " |
| "const $Request$& request, $Response$* response));\n"); |
| printer->Print(*vars, |
| "MOCK_METHOD3(Async$Method$Raw, " |
| "::grpc::ClientAsyncResponseReaderInterface< $Response$>*" |
| "(::grpc::ClientContext* context, const $Request$& request, " |
| "::grpc::CompletionQueue* cq));\n"); |
| } else if (ClientOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "MOCK_METHOD2($Method$Raw, " |
| "::grpc::ClientWriterInterface< $Request$>*" |
| "(::grpc::ClientContext* context, $Response$* response));\n"); |
| printer->Print(*vars, |
| "MOCK_METHOD4(Async$Method$Raw, " |
| "::grpc::ClientAsyncWriterInterface< $Request$>*" |
| "(::grpc::ClientContext* context, $Response$* response, " |
| "::grpc::CompletionQueue* cq, void* tag));\n"); |
| } else if (ServerOnlyStreaming(method)) { |
| printer->Print( |
| *vars, |
| "MOCK_METHOD2($Method$Raw, " |
| "::grpc::ClientReaderInterface< $Response$>*" |
| "(::grpc::ClientContext* context, const $Request$& request));\n"); |
| printer->Print(*vars, |
| "MOCK_METHOD4(Async$Method$Raw, " |
| "::grpc::ClientAsyncReaderInterface< $Response$>*" |
| "(::grpc::ClientContext* context, const $Request$& request, " |
| "::grpc::CompletionQueue* cq, void* tag));\n"); |
| } else if (method->BidiStreaming()) { |
| printer->Print( |
| *vars, |
| "MOCK_METHOD1($Method$Raw, " |
| "::grpc::ClientReaderWriterInterface< $Request$, $Response$>*" |
| "(::grpc::ClientContext* context));\n"); |
| printer->Print( |
| *vars, |
| "MOCK_METHOD3(Async$Method$Raw, " |
| "::grpc::ClientAsyncReaderWriterInterface<$Request$, $Response$>*" |
| "(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, " |
| "void* tag));\n"); |
| } |
| } |
| |
| void PrintMockService(grpc_generator::Printer *printer, |
| const grpc_generator::Service *service, |
| std::map<grpc::string, grpc::string> *vars) { |
| (*vars)["Service"] = service->name(); |
| |
| printer->Print(*vars, |
| "class Mock$Service$Stub : public $Service$::StubInterface {\n" |
| " public:\n"); |
| printer->Indent(); |
| for (int i = 0; i < service->method_count(); ++i) { |
| PrintMockClientMethods(printer, service->method(i).get(), vars); |
| } |
| printer->Outdent(); |
| printer->Print("};\n"); |
| } |
| |
| grpc::string GetMockServices(grpc_generator::File *file, |
| const Parameters ¶ms) { |
| grpc::string output; |
| { |
| // Scope the output stream so it closes and finalizes output to the string. |
| auto printer = file->CreatePrinter(&output); |
| std::map<grpc::string, grpc::string> vars; |
| // Package string is empty or ends with a dot. It is used to fully qualify |
| // method names. |
| vars["Package"] = file->package(); |
| if (!file->package().empty()) { |
| vars["Package"].append("."); |
| } |
| |
| if (!params.services_namespace.empty()) { |
| vars["services_namespace"] = params.services_namespace; |
| printer->Print(vars, "\nnamespace $services_namespace$ {\n\n"); |
| } |
| |
| for (int i = 0; i < file->service_count(); i++) { |
| PrintMockService(printer.get(), file->service(i).get(), &vars); |
| printer->Print("\n"); |
| } |
| |
| if (!params.services_namespace.empty()) { |
| printer->Print(vars, "} // namespace $services_namespace$\n\n"); |
| } |
| } |
| return output; |
| } |
| |
| grpc::string GetMockEpilogue(grpc_generator::File *file, |
| const Parameters & /*params*/) { |
| grpc::string temp; |
| |
| if (!file->package().empty()) { |
| std::vector<grpc::string> parts = file->package_parts(); |
| |
| for (auto part = parts.begin(); part != parts.end(); part++) { |
| temp.append("} // namespace "); |
| temp.append(*part); |
| temp.append("\n"); |
| } |
| temp.append("\n"); |
| } |
| |
| return temp; |
| } |
| |
| } // namespace grpc_cpp_generator |