/*
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*
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* Copyright 2015 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <map>
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#include "src/compiler/cpp_generator.h"
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#include <sstream>
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namespace grpc_cpp_generator {
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namespace {
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template <class T>
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grpc::string as_string(T x) {
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std::ostringstream out;
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out << x;
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return out.str();
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}
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inline bool ClientOnlyStreaming(const grpc_generator::Method* method) {
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return method->ClientStreaming() && !method->ServerStreaming();
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}
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inline bool ServerOnlyStreaming(const grpc_generator::Method* method) {
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return !method->ClientStreaming() && method->ServerStreaming();
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}
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grpc::string FilenameIdentifier(const grpc::string& filename) {
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grpc::string result;
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for (unsigned i = 0; i < filename.size(); i++) {
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char c = filename[i];
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if (isalnum(c)) {
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result.push_back(c);
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} else {
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static char hex[] = "0123456789abcdef";
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result.push_back('_');
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result.push_back(hex[(c >> 4) & 0xf]);
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result.push_back(hex[c & 0xf]);
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}
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}
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return result;
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}
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} // namespace
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template <class T, size_t N>
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T* array_end(T (&array)[N]) {
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return array + N;
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}
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void PrintIncludes(grpc_generator::Printer* printer,
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const std::vector<grpc::string>& headers,
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bool use_system_headers, const grpc::string& search_path) {
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std::map<grpc::string, grpc::string> vars;
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vars["l"] = use_system_headers ? '<' : '"';
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vars["r"] = use_system_headers ? '>' : '"';
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if (!search_path.empty()) {
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vars["l"] += search_path;
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if (search_path[search_path.size() - 1] != '/') {
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vars["l"] += '/';
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}
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}
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for (auto i = headers.begin(); i != headers.end(); i++) {
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vars["h"] = *i;
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printer->Print(vars, "#include $l$$h$$r$\n");
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}
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}
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grpc::string GetHeaderPrologue(grpc_generator::File* file,
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const Parameters& /*params*/) {
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grpc::string output;
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{
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// Scope the output stream so it closes and finalizes output to the string.
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auto printer = file->CreatePrinter(&output);
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std::map<grpc::string, grpc::string> vars;
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vars["filename"] = file->filename();
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vars["filename_identifier"] = FilenameIdentifier(file->filename());
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vars["filename_base"] = file->filename_without_ext();
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vars["message_header_ext"] = kCppGeneratorMessageHeaderExt;
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printer->Print(vars, "// Generated by the gRPC C++ plugin.\n");
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printer->Print(vars,
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"// If you make any local change, they will be lost.\n");
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printer->Print(vars, "// source: $filename$\n");
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grpc::string leading_comments = file->GetLeadingComments("//");
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if (!leading_comments.empty()) {
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printer->Print(vars, "// Original file comments:\n");
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printer->PrintRaw(leading_comments.c_str());
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}
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printer->Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n");
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printer->Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n");
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printer->Print(vars, "\n");
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printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n");
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printer->Print(vars, file->additional_headers().c_str());
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printer->Print(vars, "\n");
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}
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return output;
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}
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grpc::string GetHeaderIncludes(grpc_generator::File* file,
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const Parameters& params) {
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grpc::string output;
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{
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// Scope the output stream so it closes and finalizes output to the string.
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auto printer = file->CreatePrinter(&output);
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std::map<grpc::string, grpc::string> vars;
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if (!params.additional_header_includes.empty()) {
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PrintIncludes(printer.get(), params.additional_header_includes, false,
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"");
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}
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static const char* headers_strs[] = {
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"functional",
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"grpcpp/impl/codegen/async_generic_service.h",
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"grpcpp/impl/codegen/async_stream.h",
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"grpcpp/impl/codegen/async_unary_call.h",
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"grpcpp/impl/codegen/method_handler_impl.h",
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"grpcpp/impl/codegen/proto_utils.h",
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"grpcpp/impl/codegen/rpc_method.h",
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"grpcpp/impl/codegen/service_type.h",
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"grpcpp/impl/codegen/status.h",
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"grpcpp/impl/codegen/stub_options.h",
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"grpcpp/impl/codegen/sync_stream.h"};
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std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
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PrintIncludes(printer.get(), headers, params.use_system_headers,
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params.grpc_search_path);
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printer->Print(vars, "\n");
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printer->Print(vars, "namespace grpc {\n");
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printer->Print(vars, "class CompletionQueue;\n");
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printer->Print(vars, "class Channel;\n");
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printer->Print(vars, "class ServerCompletionQueue;\n");
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printer->Print(vars, "class ServerContext;\n");
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printer->Print(vars, "} // namespace grpc\n\n");
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if (!file->package().empty()) {
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std::vector<grpc::string> parts = file->package_parts();
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for (auto part = parts.begin(); part != parts.end(); part++) {
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vars["part"] = *part;
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printer->Print(vars, "namespace $part$ {\n");
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}
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printer->Print(vars, "\n");
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}
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}
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return output;
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}
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void PrintHeaderClientMethodInterfaces(
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grpc_generator::Printer* printer, const grpc_generator::Method* method,
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std::map<grpc::string, grpc::string>* vars, bool is_public) {
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(*vars)["Method"] = method->name();
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(*vars)["Request"] = method->input_type_name();
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(*vars)["Response"] = method->output_type_name();
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struct {
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grpc::string prefix;
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grpc::string method_params; // extra arguments to method
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grpc::string raw_args; // extra arguments to raw version of method
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} async_prefixes[] = {{"Async", ", void* tag", ", tag"},
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{"PrepareAsync", "", ""}};
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if (is_public) {
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if (method->NoStreaming()) {
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printer->Print(
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*vars,
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"virtual ::grpc::Status $Method$(::grpc::ClientContext* context, "
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"const $Request$& request, $Response$* response) = 0;\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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printer->Print(
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*vars,
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"std::unique_ptr< "
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"::grpc::ClientAsyncResponseReaderInterface< $Response$>> "
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"$AsyncPrefix$$Method$(::grpc::ClientContext* context, "
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"const $Request$& request, "
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"::grpc::CompletionQueue* cq) {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< "
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"::grpc::ClientAsyncResponseReaderInterface< $Response$>>("
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"$AsyncPrefix$$Method$Raw(context, request, cq));\n");
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printer->Outdent();
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printer->Print("}\n");
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}
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} else if (ClientOnlyStreaming(method)) {
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>"
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" $Method$("
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"::grpc::ClientContext* context, $Response$* response) {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>"
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"($Method$Raw(context, response));\n");
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printer->Outdent();
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printer->Print("}\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientAsyncWriterInterface< $Request$>>"
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" $AsyncPrefix$$Method$(::grpc::ClientContext* context, "
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"$Response$* "
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"response, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
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printer->Indent();
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printer->Print(*vars,
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"return std::unique_ptr< "
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"::grpc::ClientAsyncWriterInterface< $Request$>>("
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"$AsyncPrefix$$Method$Raw(context, response, "
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"cq$AsyncRawArgs$));\n");
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printer->Outdent();
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printer->Print("}\n");
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}
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} else if (ServerOnlyStreaming(method)) {
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>"
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" $Method$(::grpc::ClientContext* context, const $Request$& request)"
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" {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>"
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"($Method$Raw(context, request));\n");
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printer->Outdent();
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printer->Print("}\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientAsyncReaderInterface< $Response$>> "
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"$AsyncPrefix$$Method$("
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"::grpc::ClientContext* context, const $Request$& request, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< "
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"::grpc::ClientAsyncReaderInterface< $Response$>>("
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"$AsyncPrefix$$Method$Raw(context, request, cq$AsyncRawArgs$));\n");
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printer->Outdent();
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printer->Print("}\n");
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}
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} else if (method->BidiStreaming()) {
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printer->Print(*vars,
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"std::unique_ptr< ::grpc::ClientReaderWriterInterface< "
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"$Request$, $Response$>> "
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"$Method$(::grpc::ClientContext* context) {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< "
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"::grpc::ClientReaderWriterInterface< $Request$, $Response$>>("
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"$Method$Raw(context));\n");
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printer->Outdent();
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printer->Print("}\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
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printer->Print(
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*vars,
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"std::unique_ptr< "
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"::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>> "
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"$AsyncPrefix$$Method$(::grpc::ClientContext* context, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< "
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"::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>>("
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"$AsyncPrefix$$Method$Raw(context, cq$AsyncRawArgs$));\n");
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printer->Outdent();
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printer->Print("}\n");
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}
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}
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} else {
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if (method->NoStreaming()) {
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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printer->Print(
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*vars,
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"virtual ::grpc::ClientAsyncResponseReaderInterface< $Response$>* "
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"$AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, "
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"const $Request$& request, "
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"::grpc::CompletionQueue* cq) = 0;\n");
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}
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} else if (ClientOnlyStreaming(method)) {
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printer->Print(
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*vars,
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"virtual ::grpc::ClientWriterInterface< $Request$>*"
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" $Method$Raw("
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"::grpc::ClientContext* context, $Response$* response) = 0;\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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printer->Print(
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*vars,
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"virtual ::grpc::ClientAsyncWriterInterface< $Request$>*"
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" $AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, "
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"$Response$* response, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) = 0;\n");
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}
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} else if (ServerOnlyStreaming(method)) {
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printer->Print(
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*vars,
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"virtual ::grpc::ClientReaderInterface< $Response$>* "
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"$Method$Raw("
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"::grpc::ClientContext* context, const $Request$& request) = 0;\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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printer->Print(
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*vars,
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"virtual ::grpc::ClientAsyncReaderInterface< $Response$>* "
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"$AsyncPrefix$$Method$Raw("
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"::grpc::ClientContext* context, const $Request$& request, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) = 0;\n");
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}
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} else if (method->BidiStreaming()) {
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printer->Print(*vars,
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"virtual ::grpc::ClientReaderWriterInterface< $Request$, "
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"$Response$>* "
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"$Method$Raw(::grpc::ClientContext* context) = 0;\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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printer->Print(
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*vars,
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"virtual ::grpc::ClientAsyncReaderWriterInterface< "
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"$Request$, $Response$>* "
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"$AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) = 0;\n");
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}
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}
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}
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}
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void PrintHeaderClientMethod(grpc_generator::Printer* printer,
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const grpc_generator::Method* method,
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std::map<grpc::string, grpc::string>* vars,
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bool is_public) {
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(*vars)["Method"] = method->name();
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(*vars)["Request"] = method->input_type_name();
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(*vars)["Response"] = method->output_type_name();
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struct {
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grpc::string prefix;
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grpc::string method_params; // extra arguments to method
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grpc::string raw_args; // extra arguments to raw version of method
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} async_prefixes[] = {{"Async", ", void* tag", ", tag"},
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{"PrepareAsync", "", ""}};
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if (is_public) {
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if (method->NoStreaming()) {
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printer->Print(
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*vars,
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"::grpc::Status $Method$(::grpc::ClientContext* context, "
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"const $Request$& request, $Response$* response) override;\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientAsyncResponseReader< $Response$>> "
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"$AsyncPrefix$$Method$(::grpc::ClientContext* context, "
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"const $Request$& request, "
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"::grpc::CompletionQueue* cq) {\n");
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printer->Indent();
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printer->Print(*vars,
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"return std::unique_ptr< "
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"::grpc::ClientAsyncResponseReader< $Response$>>("
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"$AsyncPrefix$$Method$Raw(context, request, cq));\n");
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printer->Outdent();
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printer->Print("}\n");
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}
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} else if (ClientOnlyStreaming(method)) {
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientWriter< $Request$>>"
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" $Method$("
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"::grpc::ClientContext* context, $Response$* response) {\n");
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printer->Indent();
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printer->Print(*vars,
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"return std::unique_ptr< ::grpc::ClientWriter< $Request$>>"
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"($Method$Raw(context, response));\n");
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printer->Outdent();
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printer->Print("}\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
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printer->Print(*vars,
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"std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>"
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" $AsyncPrefix$$Method$(::grpc::ClientContext* context, "
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"$Response$* response, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>("
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"$AsyncPrefix$$Method$Raw(context, response, "
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"cq$AsyncRawArgs$));\n");
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printer->Outdent();
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printer->Print("}\n");
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}
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} else if (ServerOnlyStreaming(method)) {
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientReader< $Response$>>"
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" $Method$(::grpc::ClientContext* context, const $Request$& request)"
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" {\n");
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printer->Indent();
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printer->Print(
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*vars,
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"return std::unique_ptr< ::grpc::ClientReader< $Response$>>"
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"($Method$Raw(context, request));\n");
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printer->Outdent();
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printer->Print("}\n");
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for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
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(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> "
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"$AsyncPrefix$$Method$("
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"::grpc::ClientContext* context, const $Request$& request, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
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printer->Indent();
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printer->Print(
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*vars,
|
"return std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>>("
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"$AsyncPrefix$$Method$Raw(context, request, cq$AsyncRawArgs$));\n");
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printer->Outdent();
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printer->Print("}\n");
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}
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} else if (method->BidiStreaming()) {
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printer->Print(
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*vars,
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"std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>>"
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" $Method$(::grpc::ClientContext* context) {\n");
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printer->Indent();
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printer->Print(*vars,
|
"return std::unique_ptr< "
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"::grpc::ClientReaderWriter< $Request$, $Response$>>("
|
"$Method$Raw(context));\n");
|
printer->Outdent();
|
printer->Print("}\n");
|
for (auto async_prefix : async_prefixes) {
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(*vars)["AsyncPrefix"] = async_prefix.prefix;
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(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
|
printer->Print(*vars,
|
"std::unique_ptr< ::grpc::ClientAsyncReaderWriter< "
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"$Request$, $Response$>> "
|
"$AsyncPrefix$$Method$(::grpc::ClientContext* context, "
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"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
|
printer->Indent();
|
printer->Print(
|
*vars,
|
"return std::unique_ptr< "
|
"::grpc::ClientAsyncReaderWriter< $Request$, $Response$>>("
|
"$AsyncPrefix$$Method$Raw(context, cq$AsyncRawArgs$));\n");
|
printer->Outdent();
|
printer->Print("}\n");
|
}
|
}
|
} else {
|
if (method->NoStreaming()) {
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
printer->Print(
|
*vars,
|
"::grpc::ClientAsyncResponseReader< $Response$>* "
|
"$AsyncPrefix$$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");
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
|
printer->Print(
|
*vars,
|
"::grpc::ClientAsyncWriter< $Request$>* $AsyncPrefix$$Method$Raw("
|
"::grpc::ClientContext* context, $Response$* response, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$) override;\n");
|
}
|
} else if (ServerOnlyStreaming(method)) {
|
printer->Print(*vars,
|
"::grpc::ClientReader< $Response$>* $Method$Raw("
|
"::grpc::ClientContext* context, const $Request$& request)"
|
" override;\n");
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
|
printer->Print(
|
*vars,
|
"::grpc::ClientAsyncReader< $Response$>* $AsyncPrefix$$Method$Raw("
|
"::grpc::ClientContext* context, const $Request$& request, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$) override;\n");
|
}
|
} else if (method->BidiStreaming()) {
|
printer->Print(*vars,
|
"::grpc::ClientReaderWriter< $Request$, $Response$>* "
|
"$Method$Raw(::grpc::ClientContext* context) override;\n");
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["AsyncRawArgs"] = async_prefix.raw_args;
|
printer->Print(
|
*vars,
|
"::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* "
|
"$AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$) override;\n");
|
}
|
}
|
}
|
}
|
|
void PrintHeaderClientMethodCallbackInterfacesStart(
|
grpc_generator::Printer* printer,
|
std::map<grpc::string, grpc::string>* vars) {
|
// This declares the interface for the callback-based API. The components
|
// are pure; even though this is new (post-1.0) API, it can be pure because
|
// it is an entirely new interface that happens to be scoped within
|
// StubInterface, not new additions to StubInterface itself
|
printer->Print("class experimental_async_interface {\n");
|
// All methods in this new interface are public. There is no need for private
|
// "Raw" methods since the callback-based API returns unowned raw pointers
|
printer->Print(" public:\n");
|
printer->Indent();
|
printer->Print("virtual ~experimental_async_interface() {}\n");
|
}
|
|
void PrintHeaderClientMethodCallbackInterfaces(
|
grpc_generator::Printer* printer, const grpc_generator::Method* method,
|
std::map<grpc::string, grpc::string>* vars, bool is_public) {
|
// Reserve is_public for future expansion
|
assert(is_public);
|
|
(*vars)["Method"] = method->name();
|
(*vars)["Request"] = method->input_type_name();
|
(*vars)["Response"] = method->output_type_name();
|
|
if (method->NoStreaming()) {
|
printer->Print(*vars,
|
"virtual void $Method$(::grpc::ClientContext* context, "
|
"const $Request$* request, $Response$* response, "
|
"std::function<void(::grpc::Status)>) = 0;\n");
|
} else if (ClientOnlyStreaming(method)) {
|
// TODO(vjpai): Add support for client-side streaming
|
} else if (ServerOnlyStreaming(method)) {
|
// TODO(vjpai): Add support for server-side streaming
|
} else if (method->BidiStreaming()) {
|
// TODO(vjpai): Add support for bidi streaming
|
}
|
}
|
|
void PrintHeaderClientMethodCallbackInterfacesEnd(
|
grpc_generator::Printer* printer,
|
std::map<grpc::string, grpc::string>* vars) {
|
printer->Outdent();
|
printer->Print("};\n");
|
|
// Declare a function to give the async stub contents. It can't be pure
|
// since this is a new API in StubInterface, but it is meaningless by default
|
// (since any stub that wants to use it must have its own implementation of
|
// the callback functions therein), so make the default return value nullptr.
|
// Intentionally include the word "class" to avoid possible shadowing.
|
printer->Print(
|
"virtual class experimental_async_interface* experimental_async() { "
|
"return nullptr; }\n");
|
}
|
|
void PrintHeaderClientMethodCallbackStart(
|
grpc_generator::Printer* printer,
|
std::map<grpc::string, grpc::string>* vars) {
|
// This declares the stub entry for the callback-based API.
|
printer->Print("class experimental_async final :\n");
|
printer->Print(" public StubInterface::experimental_async_interface {\n");
|
printer->Print(" public:\n");
|
printer->Indent();
|
}
|
|
void PrintHeaderClientMethodCallback(grpc_generator::Printer* printer,
|
const grpc_generator::Method* method,
|
std::map<grpc::string, grpc::string>* vars,
|
bool is_public) {
|
// Reserve is_public for future expansion
|
assert(is_public);
|
|
(*vars)["Method"] = method->name();
|
(*vars)["Request"] = method->input_type_name();
|
(*vars)["Response"] = method->output_type_name();
|
|
if (method->NoStreaming()) {
|
printer->Print(*vars,
|
"void $Method$(::grpc::ClientContext* context, "
|
"const $Request$* request, $Response$* response, "
|
"std::function<void(::grpc::Status)>) override;\n");
|
} else if (ClientOnlyStreaming(method)) {
|
// TODO(vjpai): Add support for client-side streaming
|
} else if (ServerOnlyStreaming(method)) {
|
// TODO(vjpai): Add support for server-side streaming
|
} else if (method->BidiStreaming()) {
|
// TODO(vjpai): Add support for bidi streaming
|
}
|
}
|
|
void PrintHeaderClientMethodCallbackEnd(
|
grpc_generator::Printer* printer,
|
std::map<grpc::string, grpc::string>* vars) {
|
printer->Outdent();
|
printer->Print(" private:\n");
|
printer->Indent();
|
printer->Print("friend class Stub;\n");
|
printer->Print("explicit experimental_async(Stub* stub): stub_(stub) { }\n");
|
// include a function with a dummy use of stub_ to avoid an unused
|
// private member warning for service with no methods
|
printer->Print("Stub* stub() { return stub_; }\n");
|
printer->Print("Stub* stub_;\n");
|
printer->Outdent();
|
printer->Print("};\n");
|
|
printer->Print(
|
"class experimental_async_interface* experimental_async() override { "
|
"return &async_stub_; }\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::internal::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());
|
}
|
|
// Helper generator. Disabled the sync API for Request and Response, then adds
|
// in an async API for RealRequest and RealResponse types. This is to be used
|
// to generate async and raw APIs.
|
void PrintHeaderServerAsyncMethodsHelper(
|
grpc_generator::Printer* printer, const grpc_generator::Method* method,
|
std::map<grpc::string, grpc::string>* vars) {
|
if (method->NoStreaming()) {
|
printer->Print(
|
*vars,
|
"// disable synchronous version of this method\n"
|
"::grpc::Status $Method$("
|
"::grpc::ServerContext* context, const $Request$* request, "
|
"$Response$* response) override {\n"
|
" abort();\n"
|
" return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
|
"}\n");
|
printer->Print(
|
*vars,
|
"void Request$Method$("
|
"::grpc::ServerContext* context, $RealRequest$* request, "
|
"::grpc::ServerAsyncResponseWriter< $RealResponse$>* 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) override {\n"
|
" abort();\n"
|
" return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
|
"}\n");
|
printer->Print(
|
*vars,
|
"void Request$Method$("
|
"::grpc::ServerContext* context, "
|
"::grpc::ServerAsyncReader< $RealResponse$, $RealRequest$>* 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) override "
|
"{\n"
|
" abort();\n"
|
" return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
|
"}\n");
|
printer->Print(
|
*vars,
|
"void Request$Method$("
|
"::grpc::ServerContext* context, $RealRequest$* request, "
|
"::grpc::ServerAsyncWriter< $RealResponse$>* 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) "
|
" override {\n"
|
" abort();\n"
|
" return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
|
"}\n");
|
printer->Print(
|
*vars,
|
"void Request$Method$("
|
"::grpc::ServerContext* context, "
|
"::grpc::ServerAsyncReaderWriter< $RealResponse$, $RealRequest$>* "
|
"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");
|
}
|
}
|
|
void PrintHeaderServerMethodAsync(grpc_generator::Printer* printer,
|
const grpc_generator::Method* method,
|
std::map<grpc::string, grpc::string>* vars) {
|
(*vars)["Method"] = method->name();
|
// These will be disabled
|
(*vars)["Request"] = method->input_type_name();
|
(*vars)["Response"] = method->output_type_name();
|
// These will be used for the async API
|
(*vars)["RealRequest"] = method->input_type_name();
|
(*vars)["RealResponse"] = 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");
|
PrintHeaderServerAsyncMethodsHelper(printer, method, vars);
|
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::internal::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) 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::internal::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) 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) 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) 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) 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) "
|
" override {\n"
|
" abort();\n"
|
" return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
|
"}\n");
|
}
|
printer->Outdent();
|
printer->Print(*vars, "};\n");
|
}
|
|
void PrintHeaderServerMethodRaw(grpc_generator::Printer* printer,
|
const grpc_generator::Method* method,
|
std::map<grpc::string, grpc::string>* vars) {
|
(*vars)["Method"] = method->name();
|
// These will be disabled
|
(*vars)["Request"] = method->input_type_name();
|
(*vars)["Response"] = method->output_type_name();
|
// These will be used for raw API
|
(*vars)["RealRequest"] = "::grpc::ByteBuffer";
|
(*vars)["RealResponse"] = "::grpc::ByteBuffer";
|
printer->Print(*vars, "template <class BaseClass>\n");
|
printer->Print(*vars, "class WithRawMethod_$Method$ : public BaseClass {\n");
|
printer->Print(
|
" private:\n"
|
" void BaseClassMustBeDerivedFromService(const Service *service) {}\n");
|
printer->Print(" public:\n");
|
printer->Indent();
|
printer->Print(*vars,
|
"WithRawMethod_$Method$() {\n"
|
" ::grpc::Service::MarkMethodRaw($Idx$);\n"
|
"}\n");
|
printer->Print(*vars,
|
"~WithRawMethod_$Method$() override {\n"
|
" BaseClassMustBeDerivedFromService(this);\n"
|
"}\n");
|
PrintHeaderServerAsyncMethodsHelper(printer, method, vars);
|
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());
|
}
|
PrintHeaderClientMethodCallbackInterfacesStart(printer, vars);
|
for (int i = 0; i < service->method_count(); ++i) {
|
printer->Print(service->method(i)->GetLeadingComments("//").c_str());
|
PrintHeaderClientMethodCallbackInterfaces(printer, service->method(i).get(),
|
vars, true);
|
printer->Print(service->method(i)->GetTrailingComments("//").c_str());
|
}
|
PrintHeaderClientMethodCallbackInterfacesEnd(printer, vars);
|
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);
|
}
|
PrintHeaderClientMethodCallbackStart(printer, vars);
|
for (int i = 0; i < service->method_count(); ++i) {
|
PrintHeaderClientMethodCallback(printer, service->method(i).get(), vars,
|
true);
|
}
|
PrintHeaderClientMethodCallbackEnd(printer, vars);
|
printer->Outdent();
|
printer->Print("\n private:\n");
|
printer->Indent();
|
printer->Print("std::shared_ptr< ::grpc::ChannelInterface> channel_;\n");
|
printer->Print("class experimental_async async_stub_{this};\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$<");
|
}
|
printer->Print("Service");
|
for (int i = 0; i < service->method_count(); ++i) {
|
printer->Print(" >");
|
}
|
printer->Print(" AsyncService;\n");
|
|
// Server side - Generic
|
for (int i = 0; i < service->method_count(); ++i) {
|
(*vars)["Idx"] = as_string(i);
|
PrintHeaderServerMethodGeneric(printer, service->method(i).get(), vars);
|
}
|
|
// Server side - Raw
|
for (int i = 0; i < service->method_count(); ++i) {
|
(*vars)["Idx"] = as_string(i);
|
PrintHeaderServerMethodRaw(printer, service->method(i).get(), vars);
|
}
|
|
// Server side - Streamed Unary
|
for (int i = 0; i < service->method_count(); ++i) {
|
(*vars)["Idx"] = as_string(i);
|
PrintHeaderServerMethodStreamedUnary(printer, service->method(i).get(),
|
vars);
|
}
|
|
printer->Print("typedef ");
|
for (int i = 0; i < service->method_count(); ++i) {
|
(*vars)["method_name"] = service->method(i).get()->name();
|
if (service->method(i)->NoStreaming()) {
|
printer->Print(*vars, "WithStreamedUnaryMethod_$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& 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;
|
// 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& 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;
|
|
static const char* headers_strs[] = {
|
"functional",
|
"grpcpp/impl/codegen/async_stream.h",
|
"grpcpp/impl/codegen/async_unary_call.h",
|
"grpcpp/impl/codegen/channel_interface.h",
|
"grpcpp/impl/codegen/client_unary_call.h",
|
"grpcpp/impl/codegen/client_callback.h",
|
"grpcpp/impl/codegen/method_handler_impl.h",
|
"grpcpp/impl/codegen/rpc_service_method.h",
|
"grpcpp/impl/codegen/service_type.h",
|
"grpcpp/impl/codegen/sync_stream.h"};
|
std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
|
PrintIncludes(printer.get(), headers, params.use_system_headers,
|
params.grpc_search_path);
|
|
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();
|
struct {
|
grpc::string prefix;
|
grpc::string start; // bool literal expressed as string
|
grpc::string method_params; // extra arguments to method
|
grpc::string create_args; // extra arguments to creator
|
} async_prefixes[] = {{"Async", "true", ", void* tag", ", tag"},
|
{"PrepareAsync", "false", "", ", nullptr"}};
|
if (method->NoStreaming()) {
|
printer->Print(*vars,
|
"::grpc::Status $ns$$Service$::Stub::$Method$("
|
"::grpc::ClientContext* context, "
|
"const $Request$& request, $Response$* response) {\n");
|
printer->Print(*vars,
|
" return ::grpc::internal::BlockingUnaryCall"
|
"(channel_.get(), rpcmethod_$Method$_, "
|
"context, request, response);\n}\n\n");
|
|
printer->Print(*vars,
|
"void $ns$$Service$::Stub::experimental_async::$Method$("
|
"::grpc::ClientContext* context, "
|
"const $Request$* request, $Response$* response, "
|
"std::function<void(::grpc::Status)> f) {\n");
|
printer->Print(*vars,
|
" return ::grpc::internal::CallbackUnaryCall"
|
"(stub_->channel_.get(), stub_->rpcmethod_$Method$_, "
|
"context, request, response, std::move(f));\n}\n\n");
|
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncStart"] = async_prefix.start;
|
printer->Print(*vars,
|
"::grpc::ClientAsyncResponseReader< $Response$>* "
|
"$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw(::grpc::"
|
"ClientContext* context, "
|
"const $Request$& request, "
|
"::grpc::CompletionQueue* cq) {\n");
|
printer->Print(
|
*vars,
|
" return "
|
"::grpc::internal::ClientAsyncResponseReaderFactory< $Response$>"
|
"::Create(channel_.get(), cq, "
|
"rpcmethod_$Method$_, "
|
"context, request, $AsyncStart$);\n"
|
"}\n\n");
|
}
|
} else if (ClientOnlyStreaming(method)) {
|
printer->Print(*vars,
|
"::grpc::ClientWriter< $Request$>* "
|
"$ns$$Service$::Stub::$Method$Raw("
|
"::grpc::ClientContext* context, $Response$* response) {\n");
|
printer->Print(
|
*vars,
|
" return ::grpc::internal::ClientWriterFactory< $Request$>::Create("
|
"channel_.get(), "
|
"rpcmethod_$Method$_, "
|
"context, response);\n"
|
"}\n\n");
|
|
// TODO(vjpai): Add callback version
|
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncStart"] = async_prefix.start;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["AsyncCreateArgs"] = async_prefix.create_args;
|
printer->Print(*vars,
|
"::grpc::ClientAsyncWriter< $Request$>* "
|
"$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw("
|
"::grpc::ClientContext* context, $Response$* response, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
|
printer->Print(
|
*vars,
|
" return ::grpc::internal::ClientAsyncWriterFactory< $Request$>"
|
"::Create(channel_.get(), cq, "
|
"rpcmethod_$Method$_, "
|
"context, response, $AsyncStart$$AsyncCreateArgs$);\n"
|
"}\n\n");
|
}
|
} else if (ServerOnlyStreaming(method)) {
|
printer->Print(
|
*vars,
|
"::grpc::ClientReader< $Response$>* "
|
"$ns$$Service$::Stub::$Method$Raw("
|
"::grpc::ClientContext* context, const $Request$& request) {\n");
|
printer->Print(
|
*vars,
|
" return ::grpc::internal::ClientReaderFactory< $Response$>::Create("
|
"channel_.get(), "
|
"rpcmethod_$Method$_, "
|
"context, request);\n"
|
"}\n\n");
|
|
// TODO(vjpai): Add callback version
|
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncStart"] = async_prefix.start;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["AsyncCreateArgs"] = async_prefix.create_args;
|
printer->Print(
|
*vars,
|
"::grpc::ClientAsyncReader< $Response$>* "
|
"$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw("
|
"::grpc::ClientContext* context, const $Request$& request, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
|
printer->Print(
|
*vars,
|
" return ::grpc::internal::ClientAsyncReaderFactory< $Response$>"
|
"::Create(channel_.get(), cq, "
|
"rpcmethod_$Method$_, "
|
"context, request, $AsyncStart$$AsyncCreateArgs$);\n"
|
"}\n\n");
|
}
|
} else if (method->BidiStreaming()) {
|
printer->Print(
|
*vars,
|
"::grpc::ClientReaderWriter< $Request$, $Response$>* "
|
"$ns$$Service$::Stub::$Method$Raw(::grpc::ClientContext* context) {\n");
|
printer->Print(*vars,
|
" return ::grpc::internal::ClientReaderWriterFactory< "
|
"$Request$, $Response$>::Create("
|
"channel_.get(), "
|
"rpcmethod_$Method$_, "
|
"context);\n"
|
"}\n\n");
|
|
// TODO(vjpai): Add callback version
|
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncStart"] = async_prefix.start;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["AsyncCreateArgs"] = async_prefix.create_args;
|
printer->Print(*vars,
|
"::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* "
|
"$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw(::grpc::"
|
"ClientContext* context, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n");
|
printer->Print(*vars,
|
" return "
|
"::grpc::internal::ClientAsyncReaderWriterFactory< "
|
"$Request$, $Response$>::Create("
|
"channel_.get(), cq, "
|
"rpcmethod_$Method$_, "
|
"context, $AsyncStart$$AsyncCreateArgs$);\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"
|
" (void)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$], "
|
"::grpc::internal::RpcMethod::$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$$Service$::Service::Service() {\n");
|
printer->Indent();
|
for (int i = 0; i < service->method_count(); ++i) {
|
auto method = service->method(i);
|
(*vars)["Idx"] = as_string(i);
|
(*vars)["Method"] = method->name();
|
(*vars)["Request"] = method->input_type_name();
|
(*vars)["Response"] = method->output_type_name();
|
if (method->NoStreaming()) {
|
printer->Print(
|
*vars,
|
"AddMethod(new ::grpc::internal::RpcServiceMethod(\n"
|
" $prefix$$Service$_method_names[$Idx$],\n"
|
" ::grpc::internal::RpcMethod::NORMAL_RPC,\n"
|
" new ::grpc::internal::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::internal::RpcServiceMethod(\n"
|
" $prefix$$Service$_method_names[$Idx$],\n"
|
" ::grpc::internal::RpcMethod::CLIENT_STREAMING,\n"
|
" new ::grpc::internal::ClientStreamingHandler< "
|
"$ns$$Service$::Service, $Request$, $Response$>(\n"
|
" std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n");
|
} else if (ServerOnlyStreaming(method.get())) {
|
printer->Print(
|
*vars,
|
"AddMethod(new ::grpc::internal::RpcServiceMethod(\n"
|
" $prefix$$Service$_method_names[$Idx$],\n"
|
" ::grpc::internal::RpcMethod::SERVER_STREAMING,\n"
|
" new ::grpc::internal::ServerStreamingHandler< "
|
"$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::internal::RpcServiceMethod(\n"
|
" $prefix$$Service$_method_names[$Idx$],\n"
|
" ::grpc::internal::RpcMethod::BIDI_STREAMING,\n"
|
" new ::grpc::internal::BidiStreamingHandler< "
|
"$ns$$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& 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;
|
// 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& 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;
|
|
static const char* headers_strs[] = {
|
"grpcpp/impl/codegen/async_stream.h",
|
"grpcpp/impl/codegen/sync_stream.h",
|
};
|
std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
|
PrintIncludes(printer.get(), headers, params.use_system_headers,
|
params.grpc_search_path);
|
|
std::vector<grpc::string> gmock_header;
|
if (params.gmock_search_path.empty()) {
|
gmock_header.push_back("gmock/gmock.h");
|
PrintIncludes(printer.get(), gmock_header, params.use_system_headers,
|
params.grpc_search_path);
|
} else {
|
gmock_header.push_back("gmock.h");
|
// We use local includes when a gmock_search_path is given
|
PrintIncludes(printer.get(), gmock_header, false,
|
params.gmock_search_path);
|
}
|
|
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();
|
|
struct {
|
grpc::string prefix;
|
grpc::string method_params; // extra arguments to method
|
int extra_method_param_count;
|
} async_prefixes[] = {{"Async", ", void* tag", 1}, {"PrepareAsync", "", 0}};
|
|
if (method->NoStreaming()) {
|
printer->Print(
|
*vars,
|
"MOCK_METHOD3($Method$, ::grpc::Status(::grpc::ClientContext* context, "
|
"const $Request$& request, $Response$* response));\n");
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
printer->Print(
|
*vars,
|
"MOCK_METHOD3($AsyncPrefix$$Method$Raw, "
|
"::grpc::ClientAsyncResponseReaderInterface< $Response$>*"
|
"(::grpc::ClientContext* context, const $Request$& request, "
|
"::grpc::CompletionQueue* cq));\n");
|
}
|
} else if (ClientOnlyStreaming(method)) {
|
printer->Print(
|
*vars,
|
"MOCK_METHOD2($Method$Raw, "
|
"::grpc::ClientWriterInterface< $Request$>*"
|
"(::grpc::ClientContext* context, $Response$* response));\n");
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["MockArgs"] =
|
std::to_string(3 + async_prefix.extra_method_param_count);
|
printer->Print(*vars,
|
"MOCK_METHOD$MockArgs$($AsyncPrefix$$Method$Raw, "
|
"::grpc::ClientAsyncWriterInterface< $Request$>*"
|
"(::grpc::ClientContext* context, $Response$* response, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$));\n");
|
}
|
} else if (ServerOnlyStreaming(method)) {
|
printer->Print(
|
*vars,
|
"MOCK_METHOD2($Method$Raw, "
|
"::grpc::ClientReaderInterface< $Response$>*"
|
"(::grpc::ClientContext* context, const $Request$& request));\n");
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["MockArgs"] =
|
std::to_string(3 + async_prefix.extra_method_param_count);
|
printer->Print(
|
*vars,
|
"MOCK_METHOD$MockArgs$($AsyncPrefix$$Method$Raw, "
|
"::grpc::ClientAsyncReaderInterface< $Response$>*"
|
"(::grpc::ClientContext* context, const $Request$& request, "
|
"::grpc::CompletionQueue* cq$AsyncMethodParams$));\n");
|
}
|
} else if (method->BidiStreaming()) {
|
printer->Print(
|
*vars,
|
"MOCK_METHOD1($Method$Raw, "
|
"::grpc::ClientReaderWriterInterface< $Request$, $Response$>*"
|
"(::grpc::ClientContext* context));\n");
|
for (auto async_prefix : async_prefixes) {
|
(*vars)["AsyncPrefix"] = async_prefix.prefix;
|
(*vars)["AsyncMethodParams"] = async_prefix.method_params;
|
(*vars)["MockArgs"] =
|
std::to_string(2 + async_prefix.extra_method_param_count);
|
printer->Print(
|
*vars,
|
"MOCK_METHOD$MockArgs$($AsyncPrefix$$Method$Raw, "
|
"::grpc::ClientAsyncReaderWriterInterface<$Request$, $Response$>*"
|
"(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq"
|
"$AsyncMethodParams$));\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& 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;
|
// 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
|
