--- /dev/null
+/*
+ *
+ * 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();
+}
+
+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(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 ? '>' : '"';
+
+ if (!params.grpc_search_path.empty()) {
+ vars["l"] += params.grpc_search_path;
+ if (params.grpc_search_path.back() != '/') {
+ 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(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"] = file->message_header_ext();
+
+ printer->Print(vars, "// Generated by the gRPC protobuf plugin.\n");
+ printer->Print(vars,
+ "// If you make any local change, they will be lost.\n");
+ printer->Print(vars, "// source: $filename$\n");
+ 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, "\n");
+ }
+ return output;
+}
+
+grpc::string GetHeaderIncludes(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/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(
+ Printer *printer, const 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 (method->ClientOnlyStreaming()) {
+ 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 (method->ServerOnlyStreaming()) {
+ 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 (method->ClientOnlyStreaming()) {
+ 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 (method->ServerOnlyStreaming()) {
+ 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(Printer *printer,
+ const 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) GRPC_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 (method->ClientOnlyStreaming()) {
+ 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 (method->ServerOnlyStreaming()) {
+ 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) GRPC_OVERRIDE;\n");
+ } else if (method->ClientOnlyStreaming()) {
+ printer->Print(*vars,
+ "::grpc::ClientWriter< $Request$>* $Method$Raw("
+ "::grpc::ClientContext* context, $Response$* response) "
+ "GRPC_OVERRIDE;\n");
+ printer->Print(
+ *vars,
+ "::grpc::ClientAsyncWriter< $Request$>* Async$Method$Raw("
+ "::grpc::ClientContext* context, $Response$* response, "
+ "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
+ } else if (method->ServerOnlyStreaming()) {
+ printer->Print(*vars,
+ "::grpc::ClientReader< $Response$>* $Method$Raw("
+ "::grpc::ClientContext* context, const $Request$& request)"
+ " GRPC_OVERRIDE;\n");
+ printer->Print(
+ *vars,
+ "::grpc::ClientAsyncReader< $Response$>* Async$Method$Raw("
+ "::grpc::ClientContext* context, const $Request$& request, "
+ "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
+ } else if (method->BidiStreaming()) {
+ printer->Print(
+ *vars,
+ "::grpc::ClientReaderWriter< $Request$, $Response$>* "
+ "$Method$Raw(::grpc::ClientContext* context) GRPC_OVERRIDE;\n");
+ printer->Print(
+ *vars,
+ "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* "
+ "Async$Method$Raw(::grpc::ClientContext* context, "
+ "::grpc::CompletionQueue* cq, void* tag) GRPC_OVERRIDE;\n");
+ }
+ }
+}
+
+void PrintHeaderClientMethodData(Printer *printer, const Method *method,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Method"] = method->name();
+ printer->Print(*vars, "const ::grpc::RpcMethod rpcmethod_$Method$_;\n");
+}
+
+void PrintHeaderServerMethodSync(Printer *printer, const Method *method,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Method"] = method->name();
+ (*vars)["Request"] = method->input_type_name();
+ (*vars)["Response"] = method->output_type_name();
+ if (method->NoStreaming()) {
+ printer->Print(*vars,
+ "virtual ::grpc::Status $Method$("
+ "::grpc::ServerContext* context, const $Request$* request, "
+ "$Response$* response);\n");
+ } else if (method->ClientOnlyStreaming()) {
+ printer->Print(*vars,
+ "virtual ::grpc::Status $Method$("
+ "::grpc::ServerContext* context, "
+ "::grpc::ServerReader< $Request$>* reader, "
+ "$Response$* response);\n");
+ } else if (method->ServerOnlyStreaming()) {
+ 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");
+ }
+}
+
+void PrintHeaderServerMethodAsync(
+ Printer *printer,
+ const Method *method,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Method"] = method->name();
+ (*vars)["Request"] = method->input_type_name();
+ (*vars)["Response"] = method->output_type_name();
+ 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$() GRPC_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) GRPC_FINAL GRPC_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 (method->ClientOnlyStreaming()) {
+ printer->Print(
+ *vars,
+ "// disable synchronous version of this method\n"
+ "::grpc::Status $Method$("
+ "::grpc::ServerContext* context, "
+ "::grpc::ServerReader< $Request$>* reader, "
+ "$Response$* response) GRPC_FINAL GRPC_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 (method->ServerOnlyStreaming()) {
+ printer->Print(
+ *vars,
+ "// disable synchronous version of this method\n"
+ "::grpc::Status $Method$("
+ "::grpc::ServerContext* context, const $Request$* request, "
+ "::grpc::ServerWriter< $Response$>* writer) GRPC_FINAL GRPC_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) "
+ "GRPC_FINAL GRPC_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 PrintHeaderServerMethodGeneric(
+ Printer *printer,
+ const Method *method,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Method"] = method->name();
+ (*vars)["Request"] = method->input_type_name();
+ (*vars)["Response"] = method->output_type_name();
+ 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$() GRPC_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) GRPC_FINAL GRPC_OVERRIDE {\n"
+ " abort();\n"
+ " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
+ "}\n");
+ } else if (method->ClientOnlyStreaming()) {
+ printer->Print(
+ *vars,
+ "// disable synchronous version of this method\n"
+ "::grpc::Status $Method$("
+ "::grpc::ServerContext* context, "
+ "::grpc::ServerReader< $Request$>* reader, "
+ "$Response$* response) GRPC_FINAL GRPC_OVERRIDE {\n"
+ " abort();\n"
+ " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
+ "}\n");
+ } else if (method->ServerOnlyStreaming()) {
+ printer->Print(
+ *vars,
+ "// disable synchronous version of this method\n"
+ "::grpc::Status $Method$("
+ "::grpc::ServerContext* context, const $Request$* request, "
+ "::grpc::ServerWriter< $Response$>* writer) GRPC_FINAL GRPC_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) "
+ "GRPC_FINAL GRPC_OVERRIDE {\n"
+ " abort();\n"
+ " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
+ "}\n");
+ }
+ printer->Outdent();
+ printer->Print(*vars, "};\n");
+}
+
+void PrintHeaderService(Printer *printer,
+ const Service *service,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Service"] = service->name();
+
+ printer->Print(*vars,
+ "class $Service$ GRPC_FINAL {\n"
+ " public:\n");
+ printer->Indent();
+
+ // 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) {
+ PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, true);
+ }
+ 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 GRPC_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);
+ }
+
+ printer->Outdent();
+ printer->Print("};\n");
+}
+
+grpc::string GetHeaderServices(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(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");
+ }
+ return output;
+}
+
+grpc::string GetSourcePrologue(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"] = file->message_header_ext();
+ vars["service_header_ext"] = file->service_header_ext();
+
+ printer->Print(vars, "// Generated by the gRPC protobuf 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$$service_header_ext$\"\n");
+ printer->Print(vars, file->additional_headers().c_str());
+ printer->Print(vars, "\n");
+ }
+ return output;
+}
+
+grpc::string GetSourceIncludes(File *file,
+ const Parameters ¶ms) {
+ grpc::string output;
+ {
+ // Scope the output stream so it closes and finalizes output to the string.
+ auto printer = file->CreatePrinter(&output);
+ std::map<grpc::string, grpc::string> vars;
+
+ static const char *headers_strs[] = {
+ "grpc++/impl/codegen/async_stream.h",
+ "grpc++/impl/codegen/async_unary_call.h",
+ "grpc++/impl/codegen/channel_interface.h",
+ "grpc++/impl/codegen/client_unary_call.h",
+ "grpc++/impl/codegen/method_handler_impl.h",
+ "grpc++/impl/codegen/rpc_service_method.h",
+ "grpc++/impl/codegen/service_type.h",
+ "grpc++/impl/codegen/sync_stream.h"
+ };
+ std::vector<grpc::string> headers(headers_strs, array_end(headers_strs));
+ PrintIncludes(printer.get(), headers, params);
+
+ if (!file->package().empty()) {
+ std::vector<grpc::string> parts = file->package_parts();
+
+ for (auto part = parts.begin(); part != parts.end(); part++) {
+ vars["part"] = *part;
+ printer->Print(vars, "namespace $part$ {\n");
+ }
+ }
+
+ printer->Print(vars, "\n");
+ }
+ return output;
+}
+
+void PrintSourceClientMethod(Printer *printer,
+ const Method *method,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Method"] = method->name();
+ (*vars)["Request"] = method->input_type_name();
+ (*vars)["Response"] = method->output_type_name();
+ if (method->NoStreaming()) {
+ printer->Print(*vars,
+ "::grpc::Status $ns$$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$$Service$::Stub::Async$Method$Raw(::grpc::ClientContext* context, "
+ "const $Request$& request, "
+ "::grpc::CompletionQueue* cq) {\n");
+ printer->Print(*vars,
+ " return new "
+ "::grpc::ClientAsyncResponseReader< $Response$>("
+ "channel_.get(), cq, "
+ "rpcmethod_$Method$_, "
+ "context, request);\n"
+ "}\n\n");
+ } else if (method->ClientOnlyStreaming()) {
+ printer->Print(*vars,
+ "::grpc::ClientWriter< $Request$>* "
+ "$ns$$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$$Service$::Stub::Async$Method$Raw("
+ "::grpc::ClientContext* context, $Response$* response, "
+ "::grpc::CompletionQueue* cq, void* tag) {\n");
+ printer->Print(*vars,
+ " return new ::grpc::ClientAsyncWriter< $Request$>("
+ "channel_.get(), cq, "
+ "rpcmethod_$Method$_, "
+ "context, response, tag);\n"
+ "}\n\n");
+ } else if (method->ServerOnlyStreaming()) {
+ printer->Print(
+ *vars,
+ "::grpc::ClientReader< $Response$>* "
+ "$ns$$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$$Service$::Stub::Async$Method$Raw("
+ "::grpc::ClientContext* context, const $Request$& request, "
+ "::grpc::CompletionQueue* cq, void* tag) {\n");
+ printer->Print(*vars,
+ " return new ::grpc::ClientAsyncReader< $Response$>("
+ "channel_.get(), cq, "
+ "rpcmethod_$Method$_, "
+ "context, request, tag);\n"
+ "}\n\n");
+ } else if (method->BidiStreaming()) {
+ printer->Print(
+ *vars,
+ "::grpc::ClientReaderWriter< $Request$, $Response$>* "
+ "$ns$$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$$Service$::Stub::Async$Method$Raw(::grpc::ClientContext* context, "
+ "::grpc::CompletionQueue* cq, void* tag) {\n");
+ printer->Print(*vars,
+ " return new "
+ "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>("
+ "channel_.get(), cq, "
+ "rpcmethod_$Method$_, "
+ "context, tag);\n"
+ "}\n\n");
+ }
+}
+
+void PrintSourceServerMethod(Printer *printer,
+ const Method *method,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Method"] = method->name();
+ (*vars)["Request"] = method->input_type_name();
+ (*vars)["Response"] = method->output_type_name();
+ if (method->NoStreaming()) {
+ printer->Print(*vars,
+ "::grpc::Status $ns$$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 (method->ClientOnlyStreaming()) {
+ printer->Print(*vars,
+ "::grpc::Status $ns$$Service$::Service::$Method$("
+ "::grpc::ServerContext* context, "
+ "::grpc::ServerReader< $Request$>* reader, "
+ "$Response$* response) {\n");
+ printer->Print(" (void) context;\n");
+ printer->Print(" (void) reader;\n");
+ printer->Print(" (void) response;\n");
+ printer->Print(
+ " return ::grpc::Status("
+ "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
+ printer->Print("}\n\n");
+ } else if (method->ServerOnlyStreaming()) {
+ printer->Print(*vars,
+ "::grpc::Status $ns$$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$$Service$::Service::$Method$("
+ "::grpc::ServerContext* context, "
+ "::grpc::ServerReaderWriter< $Response$, $Request$>* "
+ "stream) {\n");
+ printer->Print(" (void) context;\n");
+ printer->Print(" (void) stream;\n");
+ printer->Print(
+ " return ::grpc::Status("
+ "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
+ printer->Print("}\n\n");
+ }
+}
+
+void PrintSourceService(Printer *printer,
+ const Service *service,
+ std::map<grpc::string, grpc::string> *vars) {
+ (*vars)["Service"] = service->name();
+
+ printer->Print(*vars,
+ "static const char* $prefix$$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$::Stub::Stub(const std::shared_ptr< "
+ "::grpc::ChannelInterface>& channel)\n");
+ printer->Indent();
+ printer->Print(": channel_(channel)");
+ for (int i = 0; i < service->method_count(); ++i) {
+ auto method = service->method(i);
+ (*vars)["Method"] = method->name();
+ (*vars)["Idx"] = as_string(i);
+ if (method->NoStreaming()) {
+ (*vars)["StreamingType"] = "NORMAL_RPC";
+ } else if (method->ClientOnlyStreaming()) {
+ (*vars)["StreamingType"] = "CLIENT_STREAMING";
+ } else if (method->ServerOnlyStreaming()) {
+ (*vars)["StreamingType"] = "SERVER_STREAMING";
+ } else {
+ (*vars)["StreamingType"] = "BIDI_STREAMING";
+ }
+ printer->Print(*vars,
+ ", rpcmethod_$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$::Service::Service() {\n");
+ printer->Indent();
+ printer->Print(*vars, "(void)$prefix$$Service$_method_names;\n");
+ for (int i = 0; i < service->method_count(); ++i) {
+ auto method = service->method(i);
+ (*vars)["Idx"] = as_string(i);
+ (*vars)["Method"] = method->name();
+ (*vars)["Request"] = method->input_type_name();
+ (*vars)["Response"] = method->output_type_name();
+ if (method->NoStreaming()) {
+ printer->Print(
+ *vars,
+ "AddMethod(new ::grpc::RpcServiceMethod(\n"
+ " $prefix$$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 (method->ClientOnlyStreaming()) {
+ 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$$Service$::Service::$Method$), this)));\n");
+ } else if (method->ServerOnlyStreaming()) {
+ printer->Print(
+ *vars,
+ "AddMethod(new ::grpc::RpcServiceMethod(\n"
+ " $prefix$$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(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(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