Austin Schuh | e89fa2d | 2019-08-14 20:24:23 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2015, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include <map> |
| 35 | |
| 36 | #include "src/compiler/cpp_generator.h" |
| 37 | #include "flatbuffers/util.h" |
| 38 | |
| 39 | #include <sstream> |
| 40 | |
| 41 | namespace grpc_cpp_generator { |
| 42 | namespace { |
| 43 | |
| 44 | grpc::string message_header_ext() { return "_generated.h"; } |
| 45 | grpc::string service_header_ext() { return ".grpc.fb.h"; } |
| 46 | |
| 47 | template <class T> |
| 48 | grpc::string as_string(T x) { |
| 49 | std::ostringstream out; |
| 50 | out << x; |
| 51 | return out.str(); |
| 52 | } |
| 53 | |
| 54 | inline bool ClientOnlyStreaming(const grpc_generator::Method *method) { |
| 55 | return method->ClientStreaming() && !method->ServerStreaming(); |
| 56 | } |
| 57 | |
| 58 | inline bool ServerOnlyStreaming(const grpc_generator::Method *method) { |
| 59 | return !method->ClientStreaming() && method->ServerStreaming(); |
| 60 | } |
| 61 | |
| 62 | grpc::string FilenameIdentifier(const grpc::string &filename) { |
| 63 | grpc::string result; |
| 64 | for (unsigned i = 0; i < filename.size(); i++) { |
| 65 | char c = filename[i]; |
| 66 | if (isalnum(c)) { |
| 67 | result.push_back(c); |
| 68 | } else { |
| 69 | static char hex[] = "0123456789abcdef"; |
| 70 | result.push_back('_'); |
| 71 | result.push_back(hex[(c >> 4) & 0xf]); |
| 72 | result.push_back(hex[c & 0xf]); |
| 73 | } |
| 74 | } |
| 75 | return result; |
| 76 | } |
| 77 | } // namespace |
| 78 | |
| 79 | template <class T, size_t N> |
| 80 | T *array_end(T (&array)[N]) { |
| 81 | return array + N; |
| 82 | } |
| 83 | |
| 84 | void PrintIncludes(grpc_generator::Printer *printer, |
| 85 | const std::vector<grpc::string> &headers, |
| 86 | const Parameters ¶ms) { |
| 87 | std::map<grpc::string, grpc::string> vars; |
| 88 | |
| 89 | vars["l"] = params.use_system_headers ? '<' : '"'; |
| 90 | vars["r"] = params.use_system_headers ? '>' : '"'; |
| 91 | |
| 92 | auto &s = params.grpc_search_path; |
| 93 | if (!s.empty()) { |
| 94 | vars["l"] += s; |
| 95 | if (s[s.size() - 1] != '/') { |
| 96 | vars["l"] += '/'; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | for (auto i = headers.begin(); i != headers.end(); i++) { |
| 101 | vars["h"] = *i; |
| 102 | printer->Print(vars, "#include $l$$h$$r$\n"); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | grpc::string GetHeaderPrologue(grpc_generator::File *file, |
| 107 | const Parameters & /*params*/) { |
| 108 | grpc::string output; |
| 109 | { |
| 110 | // Scope the output stream so it closes and finalizes output to the string. |
| 111 | auto printer = file->CreatePrinter(&output); |
| 112 | std::map<grpc::string, grpc::string> vars; |
| 113 | |
| 114 | vars["filename"] = file->filename(); |
| 115 | vars["filename_identifier"] = FilenameIdentifier(file->filename()); |
| 116 | vars["filename_base"] = file->filename_without_ext(); |
| 117 | vars["message_header_ext"] = message_header_ext(); |
| 118 | |
| 119 | printer->Print(vars, "// Generated by the gRPC C++ plugin.\n"); |
| 120 | printer->Print(vars, |
| 121 | "// If you make any local change, they will be lost.\n"); |
| 122 | printer->Print(vars, "// source: $filename$\n"); |
| 123 | grpc::string leading_comments = file->GetLeadingComments("//"); |
| 124 | if (!leading_comments.empty()) { |
| 125 | printer->Print(vars, "// Original file comments:\n"); |
| 126 | printer->Print(leading_comments.c_str()); |
| 127 | } |
| 128 | printer->Print(vars, "#ifndef GRPC_$filename_identifier$__INCLUDED\n"); |
| 129 | printer->Print(vars, "#define GRPC_$filename_identifier$__INCLUDED\n"); |
| 130 | printer->Print(vars, "\n"); |
| 131 | printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n"); |
| 132 | printer->Print(vars, file->additional_headers().c_str()); |
| 133 | printer->Print(vars, "\n"); |
| 134 | } |
| 135 | return output; |
| 136 | } |
| 137 | |
| 138 | grpc::string GetHeaderIncludes(grpc_generator::File *file, |
| 139 | const Parameters ¶ms) { |
| 140 | grpc::string output; |
| 141 | { |
| 142 | // Scope the output stream so it closes and finalizes output to the string. |
| 143 | auto printer = file->CreatePrinter(&output); |
| 144 | std::map<grpc::string, grpc::string> vars; |
| 145 | |
| 146 | static const char *headers_strs[] = { |
| 147 | "grpc++/impl/codegen/async_stream.h", |
| 148 | "grpc++/impl/codegen/async_unary_call.h", |
| 149 | "grpc++/impl/codegen/method_handler_impl.h", |
| 150 | "grpc++/impl/codegen/proto_utils.h", |
| 151 | "grpc++/impl/codegen/rpc_method.h", |
| 152 | "grpc++/impl/codegen/service_type.h", |
| 153 | "grpc++/impl/codegen/status.h", |
| 154 | "grpc++/impl/codegen/stub_options.h", |
| 155 | "grpc++/impl/codegen/sync_stream.h"}; |
| 156 | std::vector<grpc::string> headers(headers_strs, array_end(headers_strs)); |
| 157 | PrintIncludes(printer.get(), headers, params); |
| 158 | printer->Print(vars, "\n"); |
| 159 | printer->Print(vars, "namespace grpc {\n"); |
| 160 | printer->Print(vars, "class CompletionQueue;\n"); |
| 161 | printer->Print(vars, "class Channel;\n"); |
| 162 | printer->Print(vars, "class ServerCompletionQueue;\n"); |
| 163 | printer->Print(vars, "class ServerContext;\n"); |
| 164 | printer->Print(vars, "} // namespace grpc\n\n"); |
| 165 | |
| 166 | if (!file->package().empty()) { |
| 167 | std::vector<grpc::string> parts = file->package_parts(); |
| 168 | |
| 169 | for (auto part = parts.begin(); part != parts.end(); part++) { |
| 170 | vars["part"] = *part; |
| 171 | printer->Print(vars, "namespace $part$ {\n"); |
| 172 | } |
| 173 | printer->Print(vars, "\n"); |
| 174 | } |
| 175 | } |
| 176 | return output; |
| 177 | } |
| 178 | |
| 179 | void PrintHeaderClientMethodInterfaces( |
| 180 | grpc_generator::Printer *printer, const grpc_generator::Method *method, |
| 181 | std::map<grpc::string, grpc::string> *vars, bool is_public) { |
| 182 | (*vars)["Method"] = method->name(); |
| 183 | (*vars)["Request"] = method->input_type_name(); |
| 184 | (*vars)["Response"] = method->output_type_name(); |
| 185 | |
| 186 | struct { |
| 187 | grpc::string prefix; |
| 188 | grpc::string method_params; // extra arguments to method |
| 189 | grpc::string raw_args; // extra arguments to raw version of method |
| 190 | } async_prefixes[] = {{"Async", ", void* tag", ", tag"}, |
| 191 | {"PrepareAsync", "", ""}}; |
| 192 | |
| 193 | if (is_public) { |
| 194 | if (method->NoStreaming()) { |
| 195 | printer->Print( |
| 196 | *vars, |
| 197 | "virtual ::grpc::Status $Method$(::grpc::ClientContext* context, " |
| 198 | "const $Request$& request, $Response$* response) = 0;\n"); |
| 199 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 200 | auto& async_prefix = async_prefixes[i]; |
| 201 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 202 | printer->Print( |
| 203 | *vars, |
| 204 | "std::unique_ptr< " |
| 205 | "::grpc::ClientAsyncResponseReaderInterface< $Response$>> " |
| 206 | "$AsyncPrefix$$Method$(::grpc::ClientContext* context, " |
| 207 | "const $Request$& request, " |
| 208 | "::grpc::CompletionQueue* cq) {\n"); |
| 209 | printer->Indent(); |
| 210 | printer->Print( |
| 211 | *vars, |
| 212 | "return std::unique_ptr< " |
| 213 | "::grpc::ClientAsyncResponseReaderInterface< $Response$>>(" |
| 214 | "$AsyncPrefix$$Method$Raw(context, request, cq));\n"); |
| 215 | printer->Outdent(); |
| 216 | printer->Print("}\n"); |
| 217 | } |
| 218 | } else if (ClientOnlyStreaming(method)) { |
| 219 | printer->Print( |
| 220 | *vars, |
| 221 | "std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>" |
| 222 | " $Method$(" |
| 223 | "::grpc::ClientContext* context, $Response$* response) {\n"); |
| 224 | printer->Indent(); |
| 225 | printer->Print( |
| 226 | *vars, |
| 227 | "return std::unique_ptr< ::grpc::ClientWriterInterface< $Request$>>" |
| 228 | "($Method$Raw(context, response));\n"); |
| 229 | printer->Outdent(); |
| 230 | printer->Print("}\n"); |
| 231 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 232 | auto& async_prefix = async_prefixes[i]; |
| 233 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 234 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 235 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 236 | printer->Print( |
| 237 | *vars, |
| 238 | "std::unique_ptr< ::grpc::ClientAsyncWriterInterface< $Request$>>" |
| 239 | " $AsyncPrefix$$Method$(::grpc::ClientContext* context, " |
| 240 | "$Response$* " |
| 241 | "response, " |
| 242 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 243 | printer->Indent(); |
| 244 | printer->Print(*vars, |
| 245 | "return std::unique_ptr< " |
| 246 | "::grpc::ClientAsyncWriterInterface< $Request$>>(" |
| 247 | "$AsyncPrefix$$Method$Raw(context, response, " |
| 248 | "cq$AsyncRawArgs$));\n"); |
| 249 | printer->Outdent(); |
| 250 | printer->Print("}\n"); |
| 251 | } |
| 252 | } else if (ServerOnlyStreaming(method)) { |
| 253 | printer->Print( |
| 254 | *vars, |
| 255 | "std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>" |
| 256 | " $Method$(::grpc::ClientContext* context, const $Request$& request)" |
| 257 | " {\n"); |
| 258 | printer->Indent(); |
| 259 | printer->Print( |
| 260 | *vars, |
| 261 | "return std::unique_ptr< ::grpc::ClientReaderInterface< $Response$>>" |
| 262 | "($Method$Raw(context, request));\n"); |
| 263 | printer->Outdent(); |
| 264 | printer->Print("}\n"); |
| 265 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 266 | auto& async_prefix = async_prefixes[i]; |
| 267 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 268 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 269 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 270 | printer->Print( |
| 271 | *vars, |
| 272 | "std::unique_ptr< ::grpc::ClientAsyncReaderInterface< $Response$>> " |
| 273 | "$AsyncPrefix$$Method$(" |
| 274 | "::grpc::ClientContext* context, const $Request$& request, " |
| 275 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 276 | printer->Indent(); |
| 277 | printer->Print( |
| 278 | *vars, |
| 279 | "return std::unique_ptr< " |
| 280 | "::grpc::ClientAsyncReaderInterface< $Response$>>(" |
| 281 | "$AsyncPrefix$$Method$Raw(context, request, cq$AsyncRawArgs$));\n"); |
| 282 | printer->Outdent(); |
| 283 | printer->Print("}\n"); |
| 284 | } |
| 285 | } else if (method->BidiStreaming()) { |
| 286 | printer->Print(*vars, |
| 287 | "std::unique_ptr< ::grpc::ClientReaderWriterInterface< " |
| 288 | "$Request$, $Response$>> " |
| 289 | "$Method$(::grpc::ClientContext* context) {\n"); |
| 290 | printer->Indent(); |
| 291 | printer->Print( |
| 292 | *vars, |
| 293 | "return std::unique_ptr< " |
| 294 | "::grpc::ClientReaderWriterInterface< $Request$, $Response$>>(" |
| 295 | "$Method$Raw(context));\n"); |
| 296 | printer->Outdent(); |
| 297 | printer->Print("}\n"); |
| 298 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 299 | auto& async_prefix = async_prefixes[i]; |
| 300 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 301 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 302 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 303 | printer->Print( |
| 304 | *vars, |
| 305 | "std::unique_ptr< " |
| 306 | "::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>> " |
| 307 | "$AsyncPrefix$$Method$(::grpc::ClientContext* context, " |
| 308 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 309 | printer->Indent(); |
| 310 | printer->Print( |
| 311 | *vars, |
| 312 | "return std::unique_ptr< " |
| 313 | "::grpc::ClientAsyncReaderWriterInterface< $Request$, $Response$>>(" |
| 314 | "$AsyncPrefix$$Method$Raw(context, cq$AsyncRawArgs$));\n"); |
| 315 | printer->Outdent(); |
| 316 | printer->Print("}\n"); |
| 317 | } |
| 318 | } |
| 319 | } else { |
| 320 | if (method->NoStreaming()) { |
| 321 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 322 | auto& async_prefix = async_prefixes[i]; |
| 323 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 324 | printer->Print( |
| 325 | *vars, |
| 326 | "virtual ::grpc::ClientAsyncResponseReaderInterface< $Response$>* " |
| 327 | "$AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, " |
| 328 | "const $Request$& request, " |
| 329 | "::grpc::CompletionQueue* cq) = 0;\n"); |
| 330 | } |
| 331 | } else if (ClientOnlyStreaming(method)) { |
| 332 | printer->Print( |
| 333 | *vars, |
| 334 | "virtual ::grpc::ClientWriterInterface< $Request$>*" |
| 335 | " $Method$Raw(" |
| 336 | "::grpc::ClientContext* context, $Response$* response) = 0;\n"); |
| 337 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 338 | auto& async_prefix = async_prefixes[i]; |
| 339 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 340 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 341 | printer->Print( |
| 342 | *vars, |
| 343 | "virtual ::grpc::ClientAsyncWriterInterface< $Request$>*" |
| 344 | " $AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, " |
| 345 | "$Response$* response, " |
| 346 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) = 0;\n"); |
| 347 | } |
| 348 | } else if (ServerOnlyStreaming(method)) { |
| 349 | printer->Print( |
| 350 | *vars, |
| 351 | "virtual ::grpc::ClientReaderInterface< $Response$>* " |
| 352 | "$Method$Raw(" |
| 353 | "::grpc::ClientContext* context, const $Request$& request) = 0;\n"); |
| 354 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 355 | auto& async_prefix = async_prefixes[i]; |
| 356 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 357 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 358 | printer->Print( |
| 359 | *vars, |
| 360 | "virtual ::grpc::ClientAsyncReaderInterface< $Response$>* " |
| 361 | "$AsyncPrefix$$Method$Raw(" |
| 362 | "::grpc::ClientContext* context, const $Request$& request, " |
| 363 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) = 0;\n"); |
| 364 | } |
| 365 | } else if (method->BidiStreaming()) { |
| 366 | printer->Print(*vars, |
| 367 | "virtual ::grpc::ClientReaderWriterInterface< $Request$, " |
| 368 | "$Response$>* " |
| 369 | "$Method$Raw(::grpc::ClientContext* context) = 0;\n"); |
| 370 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 371 | auto& async_prefix = async_prefixes[i]; |
| 372 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 373 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 374 | printer->Print( |
| 375 | *vars, |
| 376 | "virtual ::grpc::ClientAsyncReaderWriterInterface< " |
| 377 | "$Request$, $Response$>* " |
| 378 | "$AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, " |
| 379 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) = 0;\n"); |
| 380 | } |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | void PrintHeaderClientMethod(grpc_generator::Printer *printer, |
| 386 | const grpc_generator::Method *method, |
| 387 | std::map<grpc::string, grpc::string> *vars, |
| 388 | bool is_public) { |
| 389 | (*vars)["Method"] = method->name(); |
| 390 | (*vars)["Request"] = method->input_type_name(); |
| 391 | (*vars)["Response"] = method->output_type_name(); |
| 392 | struct { |
| 393 | grpc::string prefix; |
| 394 | grpc::string method_params; // extra arguments to method |
| 395 | grpc::string raw_args; // extra arguments to raw version of method |
| 396 | } async_prefixes[] = {{"Async", ", void* tag", ", tag"}, |
| 397 | {"PrepareAsync", "", ""}}; |
| 398 | |
| 399 | if (is_public) { |
| 400 | if (method->NoStreaming()) { |
| 401 | printer->Print( |
| 402 | *vars, |
| 403 | "::grpc::Status $Method$(::grpc::ClientContext* context, " |
| 404 | "const $Request$& request, $Response$* response) override;\n"); |
| 405 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 406 | auto& async_prefix = async_prefixes[i]; |
| 407 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 408 | printer->Print( |
| 409 | *vars, |
| 410 | "std::unique_ptr< ::grpc::ClientAsyncResponseReader< $Response$>> " |
| 411 | "$AsyncPrefix$$Method$(::grpc::ClientContext* context, " |
| 412 | "const $Request$& request, " |
| 413 | "::grpc::CompletionQueue* cq) {\n"); |
| 414 | printer->Indent(); |
| 415 | printer->Print(*vars, |
| 416 | "return std::unique_ptr< " |
| 417 | "::grpc::ClientAsyncResponseReader< $Response$>>(" |
| 418 | "$AsyncPrefix$$Method$Raw(context, request, cq));\n"); |
| 419 | printer->Outdent(); |
| 420 | printer->Print("}\n"); |
| 421 | } |
| 422 | } else if (ClientOnlyStreaming(method)) { |
| 423 | printer->Print( |
| 424 | *vars, |
| 425 | "std::unique_ptr< ::grpc::ClientWriter< $Request$>>" |
| 426 | " $Method$(" |
| 427 | "::grpc::ClientContext* context, $Response$* response) {\n"); |
| 428 | printer->Indent(); |
| 429 | printer->Print(*vars, |
| 430 | "return std::unique_ptr< ::grpc::ClientWriter< $Request$>>" |
| 431 | "($Method$Raw(context, response));\n"); |
| 432 | printer->Outdent(); |
| 433 | printer->Print("}\n"); |
| 434 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 435 | auto& async_prefix = async_prefixes[i]; |
| 436 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 437 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 438 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 439 | printer->Print(*vars, |
| 440 | "std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>" |
| 441 | " $AsyncPrefix$$Method$(::grpc::ClientContext* context, " |
| 442 | "$Response$* response, " |
| 443 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 444 | printer->Indent(); |
| 445 | printer->Print( |
| 446 | *vars, |
| 447 | "return std::unique_ptr< ::grpc::ClientAsyncWriter< $Request$>>(" |
| 448 | "$AsyncPrefix$$Method$Raw(context, response, " |
| 449 | "cq$AsyncRawArgs$));\n"); |
| 450 | printer->Outdent(); |
| 451 | printer->Print("}\n"); |
| 452 | } |
| 453 | } else if (ServerOnlyStreaming(method)) { |
| 454 | printer->Print( |
| 455 | *vars, |
| 456 | "std::unique_ptr< ::grpc::ClientReader< $Response$>>" |
| 457 | " $Method$(::grpc::ClientContext* context, const $Request$& request)" |
| 458 | " {\n"); |
| 459 | printer->Indent(); |
| 460 | printer->Print( |
| 461 | *vars, |
| 462 | "return std::unique_ptr< ::grpc::ClientReader< $Response$>>" |
| 463 | "($Method$Raw(context, request));\n"); |
| 464 | printer->Outdent(); |
| 465 | printer->Print("}\n"); |
| 466 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 467 | auto& async_prefix = async_prefixes[i]; |
| 468 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 469 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 470 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 471 | printer->Print( |
| 472 | *vars, |
| 473 | "std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> " |
| 474 | "$AsyncPrefix$$Method$(" |
| 475 | "::grpc::ClientContext* context, const $Request$& request, " |
| 476 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 477 | printer->Indent(); |
| 478 | printer->Print( |
| 479 | *vars, |
| 480 | "return std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>>(" |
| 481 | "$AsyncPrefix$$Method$Raw(context, request, cq$AsyncRawArgs$));\n"); |
| 482 | printer->Outdent(); |
| 483 | printer->Print("}\n"); |
| 484 | } |
| 485 | } else if (method->BidiStreaming()) { |
| 486 | printer->Print( |
| 487 | *vars, |
| 488 | "std::unique_ptr< ::grpc::ClientReaderWriter< $Request$, $Response$>>" |
| 489 | " $Method$(::grpc::ClientContext* context) {\n"); |
| 490 | printer->Indent(); |
| 491 | printer->Print(*vars, |
| 492 | "return std::unique_ptr< " |
| 493 | "::grpc::ClientReaderWriter< $Request$, $Response$>>(" |
| 494 | "$Method$Raw(context));\n"); |
| 495 | printer->Outdent(); |
| 496 | printer->Print("}\n"); |
| 497 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 498 | auto& async_prefix = async_prefixes[i]; |
| 499 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 500 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 501 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 502 | printer->Print(*vars, |
| 503 | "std::unique_ptr< ::grpc::ClientAsyncReaderWriter< " |
| 504 | "$Request$, $Response$>> " |
| 505 | "$AsyncPrefix$$Method$(::grpc::ClientContext* context, " |
| 506 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 507 | printer->Indent(); |
| 508 | printer->Print( |
| 509 | *vars, |
| 510 | "return std::unique_ptr< " |
| 511 | "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>>(" |
| 512 | "$AsyncPrefix$$Method$Raw(context, cq$AsyncRawArgs$));\n"); |
| 513 | printer->Outdent(); |
| 514 | printer->Print("}\n"); |
| 515 | } |
| 516 | } |
| 517 | } else { |
| 518 | if (method->NoStreaming()) { |
| 519 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 520 | auto& async_prefix = async_prefixes[i]; |
| 521 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 522 | printer->Print( |
| 523 | *vars, |
| 524 | "::grpc::ClientAsyncResponseReader< $Response$>* " |
| 525 | "$AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, " |
| 526 | "const $Request$& request, " |
| 527 | "::grpc::CompletionQueue* cq) override;\n"); |
| 528 | } |
| 529 | } else if (ClientOnlyStreaming(method)) { |
| 530 | printer->Print(*vars, |
| 531 | "::grpc::ClientWriter< $Request$>* $Method$Raw(" |
| 532 | "::grpc::ClientContext* context, $Response$* response) " |
| 533 | "override;\n"); |
| 534 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 535 | auto& async_prefix = async_prefixes[i]; |
| 536 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 537 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 538 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 539 | printer->Print( |
| 540 | *vars, |
| 541 | "::grpc::ClientAsyncWriter< $Request$>* $AsyncPrefix$$Method$Raw(" |
| 542 | "::grpc::ClientContext* context, $Response$* response, " |
| 543 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) override;\n"); |
| 544 | } |
| 545 | } else if (ServerOnlyStreaming(method)) { |
| 546 | printer->Print(*vars, |
| 547 | "::grpc::ClientReader< $Response$>* $Method$Raw(" |
| 548 | "::grpc::ClientContext* context, const $Request$& request)" |
| 549 | " override;\n"); |
| 550 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 551 | auto& async_prefix = async_prefixes[i]; |
| 552 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 553 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 554 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 555 | printer->Print( |
| 556 | *vars, |
| 557 | "::grpc::ClientAsyncReader< $Response$>* $AsyncPrefix$$Method$Raw(" |
| 558 | "::grpc::ClientContext* context, const $Request$& request, " |
| 559 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) override;\n"); |
| 560 | } |
| 561 | } else if (method->BidiStreaming()) { |
| 562 | printer->Print(*vars, |
| 563 | "::grpc::ClientReaderWriter< $Request$, $Response$>* " |
| 564 | "$Method$Raw(::grpc::ClientContext* context) override;\n"); |
| 565 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 566 | auto& async_prefix = async_prefixes[i]; |
| 567 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 568 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 569 | (*vars)["AsyncRawArgs"] = async_prefix.raw_args; |
| 570 | printer->Print( |
| 571 | *vars, |
| 572 | "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* " |
| 573 | "$AsyncPrefix$$Method$Raw(::grpc::ClientContext* context, " |
| 574 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) override;\n"); |
| 575 | } |
| 576 | } |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | void PrintHeaderClientMethodData(grpc_generator::Printer *printer, |
| 581 | const grpc_generator::Method *method, |
| 582 | std::map<grpc::string, grpc::string> *vars) { |
| 583 | (*vars)["Method"] = method->name(); |
| 584 | printer->Print(*vars, |
| 585 | "const ::grpc::internal::RpcMethod rpcmethod_$Method$_;\n"); |
| 586 | } |
| 587 | |
| 588 | void PrintHeaderServerMethodSync(grpc_generator::Printer *printer, |
| 589 | const grpc_generator::Method *method, |
| 590 | std::map<grpc::string, grpc::string> *vars) { |
| 591 | (*vars)["Method"] = method->name(); |
| 592 | (*vars)["Request"] = method->input_type_name(); |
| 593 | (*vars)["Response"] = method->output_type_name(); |
| 594 | printer->Print(method->GetLeadingComments("//").c_str()); |
| 595 | if (method->NoStreaming()) { |
| 596 | printer->Print(*vars, |
| 597 | "virtual ::grpc::Status $Method$(" |
| 598 | "::grpc::ServerContext* context, const $Request$* request, " |
| 599 | "$Response$* response);\n"); |
| 600 | } else if (ClientOnlyStreaming(method)) { |
| 601 | printer->Print(*vars, |
| 602 | "virtual ::grpc::Status $Method$(" |
| 603 | "::grpc::ServerContext* context, " |
| 604 | "::grpc::ServerReader< $Request$>* reader, " |
| 605 | "$Response$* response);\n"); |
| 606 | } else if (ServerOnlyStreaming(method)) { |
| 607 | printer->Print(*vars, |
| 608 | "virtual ::grpc::Status $Method$(" |
| 609 | "::grpc::ServerContext* context, const $Request$* request, " |
| 610 | "::grpc::ServerWriter< $Response$>* writer);\n"); |
| 611 | } else if (method->BidiStreaming()) { |
| 612 | printer->Print( |
| 613 | *vars, |
| 614 | "virtual ::grpc::Status $Method$(" |
| 615 | "::grpc::ServerContext* context, " |
| 616 | "::grpc::ServerReaderWriter< $Response$, $Request$>* stream);" |
| 617 | "\n"); |
| 618 | } |
| 619 | printer->Print(method->GetTrailingComments("//").c_str()); |
| 620 | } |
| 621 | |
| 622 | void PrintHeaderServerMethodAsync(grpc_generator::Printer *printer, |
| 623 | const grpc_generator::Method *method, |
| 624 | std::map<grpc::string, grpc::string> *vars) { |
| 625 | (*vars)["Method"] = method->name(); |
| 626 | (*vars)["Request"] = method->input_type_name(); |
| 627 | (*vars)["Response"] = method->output_type_name(); |
| 628 | printer->Print(*vars, "template <class BaseClass>\n"); |
| 629 | printer->Print(*vars, |
| 630 | "class WithAsyncMethod_$Method$ : public BaseClass {\n"); |
| 631 | printer->Print( |
| 632 | " private:\n" |
| 633 | " void BaseClassMustBeDerivedFromService(const Service *service) {}\n"); |
| 634 | printer->Print(" public:\n"); |
| 635 | printer->Indent(); |
| 636 | printer->Print(*vars, |
| 637 | "WithAsyncMethod_$Method$() {\n" |
| 638 | " ::grpc::Service::MarkMethodAsync($Idx$);\n" |
| 639 | "}\n"); |
| 640 | printer->Print(*vars, |
| 641 | "~WithAsyncMethod_$Method$() override {\n" |
| 642 | " BaseClassMustBeDerivedFromService(this);\n" |
| 643 | "}\n"); |
| 644 | if (method->NoStreaming()) { |
| 645 | printer->Print( |
| 646 | *vars, |
| 647 | "// disable synchronous version of this method\n" |
| 648 | "::grpc::Status $Method$(" |
| 649 | "::grpc::ServerContext* context, const $Request$* request, " |
| 650 | "$Response$* response) final override {\n" |
| 651 | " abort();\n" |
| 652 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 653 | "}\n"); |
| 654 | printer->Print( |
| 655 | *vars, |
| 656 | "void Request$Method$(" |
| 657 | "::grpc::ServerContext* context, $Request$* request, " |
| 658 | "::grpc::ServerAsyncResponseWriter< $Response$>* response, " |
| 659 | "::grpc::CompletionQueue* new_call_cq, " |
| 660 | "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| 661 | printer->Print(*vars, |
| 662 | " ::grpc::Service::RequestAsyncUnary($Idx$, context, " |
| 663 | "request, response, new_call_cq, notification_cq, tag);\n"); |
| 664 | printer->Print("}\n"); |
| 665 | } else if (ClientOnlyStreaming(method)) { |
| 666 | printer->Print( |
| 667 | *vars, |
| 668 | "// disable synchronous version of this method\n" |
| 669 | "::grpc::Status $Method$(" |
| 670 | "::grpc::ServerContext* context, " |
| 671 | "::grpc::ServerReader< $Request$>* reader, " |
| 672 | "$Response$* response) final override {\n" |
| 673 | " abort();\n" |
| 674 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 675 | "}\n"); |
| 676 | printer->Print( |
| 677 | *vars, |
| 678 | "void Request$Method$(" |
| 679 | "::grpc::ServerContext* context, " |
| 680 | "::grpc::ServerAsyncReader< $Response$, $Request$>* reader, " |
| 681 | "::grpc::CompletionQueue* new_call_cq, " |
| 682 | "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| 683 | printer->Print(*vars, |
| 684 | " ::grpc::Service::RequestAsyncClientStreaming($Idx$, " |
| 685 | "context, reader, new_call_cq, notification_cq, tag);\n"); |
| 686 | printer->Print("}\n"); |
| 687 | } else if (ServerOnlyStreaming(method)) { |
| 688 | printer->Print( |
| 689 | *vars, |
| 690 | "// disable synchronous version of this method\n" |
| 691 | "::grpc::Status $Method$(" |
| 692 | "::grpc::ServerContext* context, const $Request$* request, " |
| 693 | "::grpc::ServerWriter< $Response$>* writer) final override " |
| 694 | "{\n" |
| 695 | " abort();\n" |
| 696 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 697 | "}\n"); |
| 698 | printer->Print( |
| 699 | *vars, |
| 700 | "void Request$Method$(" |
| 701 | "::grpc::ServerContext* context, $Request$* request, " |
| 702 | "::grpc::ServerAsyncWriter< $Response$>* writer, " |
| 703 | "::grpc::CompletionQueue* new_call_cq, " |
| 704 | "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| 705 | printer->Print( |
| 706 | *vars, |
| 707 | " ::grpc::Service::RequestAsyncServerStreaming($Idx$, " |
| 708 | "context, request, writer, new_call_cq, notification_cq, tag);\n"); |
| 709 | printer->Print("}\n"); |
| 710 | } else if (method->BidiStreaming()) { |
| 711 | printer->Print( |
| 712 | *vars, |
| 713 | "// disable synchronous version of this method\n" |
| 714 | "::grpc::Status $Method$(" |
| 715 | "::grpc::ServerContext* context, " |
| 716 | "::grpc::ServerReaderWriter< $Response$, $Request$>* stream) " |
| 717 | "final override {\n" |
| 718 | " abort();\n" |
| 719 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 720 | "}\n"); |
| 721 | printer->Print( |
| 722 | *vars, |
| 723 | "void Request$Method$(" |
| 724 | "::grpc::ServerContext* context, " |
| 725 | "::grpc::ServerAsyncReaderWriter< $Response$, $Request$>* stream, " |
| 726 | "::grpc::CompletionQueue* new_call_cq, " |
| 727 | "::grpc::ServerCompletionQueue* notification_cq, void *tag) {\n"); |
| 728 | printer->Print(*vars, |
| 729 | " ::grpc::Service::RequestAsyncBidiStreaming($Idx$, " |
| 730 | "context, stream, new_call_cq, notification_cq, tag);\n"); |
| 731 | printer->Print("}\n"); |
| 732 | } |
| 733 | printer->Outdent(); |
| 734 | printer->Print(*vars, "};\n"); |
| 735 | } |
| 736 | |
| 737 | void PrintHeaderServerMethodStreamedUnary( |
| 738 | grpc_generator::Printer *printer, const grpc_generator::Method *method, |
| 739 | std::map<grpc::string, grpc::string> *vars) { |
| 740 | (*vars)["Method"] = method->name(); |
| 741 | (*vars)["Request"] = method->input_type_name(); |
| 742 | (*vars)["Response"] = method->output_type_name(); |
| 743 | if (method->NoStreaming()) { |
| 744 | printer->Print(*vars, "template <class BaseClass>\n"); |
| 745 | printer->Print(*vars, |
| 746 | "class WithStreamedUnaryMethod_$Method$ : " |
| 747 | "public BaseClass {\n"); |
| 748 | printer->Print( |
| 749 | " private:\n" |
| 750 | " void BaseClassMustBeDerivedFromService(const Service *service) " |
| 751 | "{}\n"); |
| 752 | printer->Print(" public:\n"); |
| 753 | printer->Indent(); |
| 754 | printer->Print(*vars, |
| 755 | "WithStreamedUnaryMethod_$Method$() {\n" |
| 756 | " ::grpc::Service::MarkMethodStreamed($Idx$,\n" |
| 757 | " new ::grpc::internal::StreamedUnaryHandler< $Request$, " |
| 758 | "$Response$>(std::bind" |
| 759 | "(&WithStreamedUnaryMethod_$Method$<BaseClass>::" |
| 760 | "Streamed$Method$, this, std::placeholders::_1, " |
| 761 | "std::placeholders::_2)));\n" |
| 762 | "}\n"); |
| 763 | printer->Print(*vars, |
| 764 | "~WithStreamedUnaryMethod_$Method$() override {\n" |
| 765 | " BaseClassMustBeDerivedFromService(this);\n" |
| 766 | "}\n"); |
| 767 | printer->Print( |
| 768 | *vars, |
| 769 | "// disable regular version of this method\n" |
| 770 | "::grpc::Status $Method$(" |
| 771 | "::grpc::ServerContext* context, const $Request$* request, " |
| 772 | "$Response$* response) final override {\n" |
| 773 | " abort();\n" |
| 774 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 775 | "}\n"); |
| 776 | printer->Print(*vars, |
| 777 | "// replace default version of method with streamed unary\n" |
| 778 | "virtual ::grpc::Status Streamed$Method$(" |
| 779 | "::grpc::ServerContext* context, " |
| 780 | "::grpc::ServerUnaryStreamer< " |
| 781 | "$Request$,$Response$>* server_unary_streamer)" |
| 782 | " = 0;\n"); |
| 783 | printer->Outdent(); |
| 784 | printer->Print(*vars, "};\n"); |
| 785 | } |
| 786 | } |
| 787 | |
| 788 | void PrintHeaderServerMethodSplitStreaming( |
| 789 | grpc_generator::Printer *printer, const grpc_generator::Method *method, |
| 790 | std::map<grpc::string, grpc::string> *vars) { |
| 791 | (*vars)["Method"] = method->name(); |
| 792 | (*vars)["Request"] = method->input_type_name(); |
| 793 | (*vars)["Response"] = method->output_type_name(); |
| 794 | if (ServerOnlyStreaming(method)) { |
| 795 | printer->Print(*vars, "template <class BaseClass>\n"); |
| 796 | printer->Print(*vars, |
| 797 | "class WithSplitStreamingMethod_$Method$ : " |
| 798 | "public BaseClass {\n"); |
| 799 | printer->Print( |
| 800 | " private:\n" |
| 801 | " void BaseClassMustBeDerivedFromService(const Service *service) " |
| 802 | "{}\n"); |
| 803 | printer->Print(" public:\n"); |
| 804 | printer->Indent(); |
| 805 | printer->Print( |
| 806 | *vars, |
| 807 | "WithSplitStreamingMethod_$Method$() {\n" |
| 808 | " ::grpc::Service::MarkMethodStreamed($Idx$,\n" |
| 809 | " new ::grpc::internal::SplitServerStreamingHandler< $Request$, " |
| 810 | "$Response$>(std::bind" |
| 811 | "(&WithSplitStreamingMethod_$Method$<BaseClass>::" |
| 812 | "Streamed$Method$, this, std::placeholders::_1, " |
| 813 | "std::placeholders::_2)));\n" |
| 814 | "}\n"); |
| 815 | printer->Print(*vars, |
| 816 | "~WithSplitStreamingMethod_$Method$() override {\n" |
| 817 | " BaseClassMustBeDerivedFromService(this);\n" |
| 818 | "}\n"); |
| 819 | printer->Print( |
| 820 | *vars, |
| 821 | "// disable regular version of this method\n" |
| 822 | "::grpc::Status $Method$(" |
| 823 | "::grpc::ServerContext* context, const $Request$* request, " |
| 824 | "::grpc::ServerWriter< $Response$>* writer) final override " |
| 825 | "{\n" |
| 826 | " abort();\n" |
| 827 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 828 | "}\n"); |
| 829 | printer->Print(*vars, |
| 830 | "// replace default version of method with split streamed\n" |
| 831 | "virtual ::grpc::Status Streamed$Method$(" |
| 832 | "::grpc::ServerContext* context, " |
| 833 | "::grpc::ServerSplitStreamer< " |
| 834 | "$Request$,$Response$>* server_split_streamer)" |
| 835 | " = 0;\n"); |
| 836 | printer->Outdent(); |
| 837 | printer->Print(*vars, "};\n"); |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | void PrintHeaderServerMethodGeneric( |
| 842 | grpc_generator::Printer *printer, const grpc_generator::Method *method, |
| 843 | std::map<grpc::string, grpc::string> *vars) { |
| 844 | (*vars)["Method"] = method->name(); |
| 845 | (*vars)["Request"] = method->input_type_name(); |
| 846 | (*vars)["Response"] = method->output_type_name(); |
| 847 | printer->Print(*vars, "template <class BaseClass>\n"); |
| 848 | printer->Print(*vars, |
| 849 | "class WithGenericMethod_$Method$ : public BaseClass {\n"); |
| 850 | printer->Print( |
| 851 | " private:\n" |
| 852 | " void BaseClassMustBeDerivedFromService(const Service *service) {}\n"); |
| 853 | printer->Print(" public:\n"); |
| 854 | printer->Indent(); |
| 855 | printer->Print(*vars, |
| 856 | "WithGenericMethod_$Method$() {\n" |
| 857 | " ::grpc::Service::MarkMethodGeneric($Idx$);\n" |
| 858 | "}\n"); |
| 859 | printer->Print(*vars, |
| 860 | "~WithGenericMethod_$Method$() override {\n" |
| 861 | " BaseClassMustBeDerivedFromService(this);\n" |
| 862 | "}\n"); |
| 863 | if (method->NoStreaming()) { |
| 864 | printer->Print( |
| 865 | *vars, |
| 866 | "// disable synchronous version of this method\n" |
| 867 | "::grpc::Status $Method$(" |
| 868 | "::grpc::ServerContext* context, const $Request$* request, " |
| 869 | "$Response$* response) final override {\n" |
| 870 | " abort();\n" |
| 871 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 872 | "}\n"); |
| 873 | } else if (ClientOnlyStreaming(method)) { |
| 874 | printer->Print( |
| 875 | *vars, |
| 876 | "// disable synchronous version of this method\n" |
| 877 | "::grpc::Status $Method$(" |
| 878 | "::grpc::ServerContext* context, " |
| 879 | "::grpc::ServerReader< $Request$>* reader, " |
| 880 | "$Response$* response) final override {\n" |
| 881 | " abort();\n" |
| 882 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 883 | "}\n"); |
| 884 | } else if (ServerOnlyStreaming(method)) { |
| 885 | printer->Print( |
| 886 | *vars, |
| 887 | "// disable synchronous version of this method\n" |
| 888 | "::grpc::Status $Method$(" |
| 889 | "::grpc::ServerContext* context, const $Request$* request, " |
| 890 | "::grpc::ServerWriter< $Response$>* writer) final override " |
| 891 | "{\n" |
| 892 | " abort();\n" |
| 893 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 894 | "}\n"); |
| 895 | } else if (method->BidiStreaming()) { |
| 896 | printer->Print( |
| 897 | *vars, |
| 898 | "// disable synchronous version of this method\n" |
| 899 | "::grpc::Status $Method$(" |
| 900 | "::grpc::ServerContext* context, " |
| 901 | "::grpc::ServerReaderWriter< $Response$, $Request$>* stream) " |
| 902 | "final override {\n" |
| 903 | " abort();\n" |
| 904 | " return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n" |
| 905 | "}\n"); |
| 906 | } |
| 907 | printer->Outdent(); |
| 908 | printer->Print(*vars, "};\n"); |
| 909 | } |
| 910 | |
| 911 | void PrintHeaderService(grpc_generator::Printer *printer, |
| 912 | const grpc_generator::Service *service, |
| 913 | std::map<grpc::string, grpc::string> *vars) { |
| 914 | (*vars)["Service"] = service->name(); |
| 915 | |
| 916 | printer->Print(service->GetLeadingComments("//").c_str()); |
| 917 | printer->Print(*vars, |
| 918 | "class $Service$ final {\n" |
| 919 | " public:\n"); |
| 920 | printer->Indent(); |
| 921 | |
| 922 | // Service metadata |
| 923 | printer->Print(*vars, |
| 924 | "static constexpr char const* service_full_name() {\n" |
| 925 | " return \"$Package$$Service$\";\n" |
| 926 | "}\n"); |
| 927 | |
| 928 | // Client side |
| 929 | printer->Print( |
| 930 | "class StubInterface {\n" |
| 931 | " public:\n"); |
| 932 | printer->Indent(); |
| 933 | printer->Print("virtual ~StubInterface() {}\n"); |
| 934 | for (int i = 0; i < service->method_count(); ++i) { |
| 935 | printer->Print(service->method(i)->GetLeadingComments("//").c_str()); |
| 936 | PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, |
| 937 | true); |
| 938 | printer->Print(service->method(i)->GetTrailingComments("//").c_str()); |
| 939 | } |
| 940 | printer->Outdent(); |
| 941 | printer->Print("private:\n"); |
| 942 | printer->Indent(); |
| 943 | for (int i = 0; i < service->method_count(); ++i) { |
| 944 | PrintHeaderClientMethodInterfaces(printer, service->method(i).get(), vars, |
| 945 | false); |
| 946 | } |
| 947 | printer->Outdent(); |
| 948 | printer->Print("};\n"); |
| 949 | printer->Print( |
| 950 | "class Stub final : public StubInterface" |
| 951 | " {\n public:\n"); |
| 952 | printer->Indent(); |
| 953 | printer->Print( |
| 954 | "Stub(const std::shared_ptr< ::grpc::ChannelInterface>& " |
| 955 | "channel);\n"); |
| 956 | for (int i = 0; i < service->method_count(); ++i) { |
| 957 | PrintHeaderClientMethod(printer, service->method(i).get(), vars, true); |
| 958 | } |
| 959 | printer->Outdent(); |
| 960 | printer->Print("\n private:\n"); |
| 961 | printer->Indent(); |
| 962 | printer->Print("std::shared_ptr< ::grpc::ChannelInterface> channel_;\n"); |
| 963 | for (int i = 0; i < service->method_count(); ++i) { |
| 964 | PrintHeaderClientMethod(printer, service->method(i).get(), vars, false); |
| 965 | } |
| 966 | for (int i = 0; i < service->method_count(); ++i) { |
| 967 | PrintHeaderClientMethodData(printer, service->method(i).get(), vars); |
| 968 | } |
| 969 | printer->Outdent(); |
| 970 | printer->Print("};\n"); |
| 971 | printer->Print( |
| 972 | "static std::unique_ptr<Stub> NewStub(const std::shared_ptr< " |
| 973 | "::grpc::ChannelInterface>& channel, " |
| 974 | "const ::grpc::StubOptions& options = ::grpc::StubOptions());\n"); |
| 975 | |
| 976 | printer->Print("\n"); |
| 977 | |
| 978 | // Server side - base |
| 979 | printer->Print( |
| 980 | "class Service : public ::grpc::Service {\n" |
| 981 | " public:\n"); |
| 982 | printer->Indent(); |
| 983 | printer->Print("Service();\n"); |
| 984 | printer->Print("virtual ~Service();\n"); |
| 985 | for (int i = 0; i < service->method_count(); ++i) { |
| 986 | PrintHeaderServerMethodSync(printer, service->method(i).get(), vars); |
| 987 | } |
| 988 | printer->Outdent(); |
| 989 | printer->Print("};\n"); |
| 990 | |
| 991 | // Server side - Asynchronous |
| 992 | for (int i = 0; i < service->method_count(); ++i) { |
| 993 | (*vars)["Idx"] = as_string(i); |
| 994 | PrintHeaderServerMethodAsync(printer, service->method(i).get(), vars); |
| 995 | } |
| 996 | |
| 997 | printer->Print("typedef "); |
| 998 | |
| 999 | for (int i = 0; i < service->method_count(); ++i) { |
| 1000 | (*vars)["method_name"] = service->method(i).get()->name(); |
| 1001 | printer->Print(*vars, "WithAsyncMethod_$method_name$<"); |
| 1002 | } |
| 1003 | printer->Print("Service"); |
| 1004 | for (int i = 0; i < service->method_count(); ++i) { |
| 1005 | printer->Print(" >"); |
| 1006 | } |
| 1007 | printer->Print(" AsyncService;\n"); |
| 1008 | |
| 1009 | // Server side - Generic |
| 1010 | for (int i = 0; i < service->method_count(); ++i) { |
| 1011 | (*vars)["Idx"] = as_string(i); |
| 1012 | PrintHeaderServerMethodGeneric(printer, service->method(i).get(), vars); |
| 1013 | } |
| 1014 | |
| 1015 | // Server side - Streamed Unary |
| 1016 | for (int i = 0; i < service->method_count(); ++i) { |
| 1017 | (*vars)["Idx"] = as_string(i); |
| 1018 | PrintHeaderServerMethodStreamedUnary(printer, service->method(i).get(), |
| 1019 | vars); |
| 1020 | } |
| 1021 | |
| 1022 | printer->Print("typedef "); |
| 1023 | for (int i = 0; i < service->method_count(); ++i) { |
| 1024 | (*vars)["method_name"] = service->method(i).get()->name(); |
| 1025 | if (service->method(i)->NoStreaming()) { |
| 1026 | printer->Print(*vars, "WithStreamedUnaryMethod_$method_name$<"); |
| 1027 | } |
| 1028 | } |
| 1029 | printer->Print("Service"); |
| 1030 | for (int i = 0; i < service->method_count(); ++i) { |
| 1031 | if (service->method(i)->NoStreaming()) { |
| 1032 | printer->Print(" >"); |
| 1033 | } |
| 1034 | } |
| 1035 | printer->Print(" StreamedUnaryService;\n"); |
| 1036 | |
| 1037 | // Server side - controlled server-side streaming |
| 1038 | for (int i = 0; i < service->method_count(); ++i) { |
| 1039 | (*vars)["Idx"] = as_string(i); |
| 1040 | PrintHeaderServerMethodSplitStreaming(printer, service->method(i).get(), |
| 1041 | vars); |
| 1042 | } |
| 1043 | |
| 1044 | printer->Print("typedef "); |
| 1045 | for (int i = 0; i < service->method_count(); ++i) { |
| 1046 | (*vars)["method_name"] = service->method(i).get()->name(); |
| 1047 | auto method = service->method(i); |
| 1048 | if (ServerOnlyStreaming(method.get())) { |
| 1049 | printer->Print(*vars, "WithSplitStreamingMethod_$method_name$<"); |
| 1050 | } |
| 1051 | } |
| 1052 | printer->Print("Service"); |
| 1053 | for (int i = 0; i < service->method_count(); ++i) { |
| 1054 | auto method = service->method(i); |
| 1055 | if (ServerOnlyStreaming(method.get())) { |
| 1056 | printer->Print(" >"); |
| 1057 | } |
| 1058 | } |
| 1059 | printer->Print(" SplitStreamedService;\n"); |
| 1060 | |
| 1061 | // Server side - typedef for controlled both unary and server-side streaming |
| 1062 | printer->Print("typedef "); |
| 1063 | for (int i = 0; i < service->method_count(); ++i) { |
| 1064 | (*vars)["method_name"] = service->method(i).get()->name(); |
| 1065 | auto method = service->method(i); |
| 1066 | if (ServerOnlyStreaming(method.get())) { |
| 1067 | printer->Print(*vars, "WithSplitStreamingMethod_$method_name$<"); |
| 1068 | } |
| 1069 | if (service->method(i)->NoStreaming()) { |
| 1070 | printer->Print(*vars, "WithStreamedUnaryMethod_$method_name$<"); |
| 1071 | } |
| 1072 | } |
| 1073 | printer->Print("Service"); |
| 1074 | for (int i = 0; i < service->method_count(); ++i) { |
| 1075 | auto method = service->method(i); |
| 1076 | if (service->method(i)->NoStreaming() || |
| 1077 | ServerOnlyStreaming(method.get())) { |
| 1078 | printer->Print(" >"); |
| 1079 | } |
| 1080 | } |
| 1081 | printer->Print(" StreamedService;\n"); |
| 1082 | |
| 1083 | printer->Outdent(); |
| 1084 | printer->Print("};\n"); |
| 1085 | printer->Print(service->GetTrailingComments("//").c_str()); |
| 1086 | } |
| 1087 | |
| 1088 | grpc::string GetHeaderServices(grpc_generator::File *file, |
| 1089 | const Parameters ¶ms) { |
| 1090 | grpc::string output; |
| 1091 | { |
| 1092 | // Scope the output stream so it closes and finalizes output to the string. |
| 1093 | auto printer = file->CreatePrinter(&output); |
| 1094 | std::map<grpc::string, grpc::string> vars; |
| 1095 | // Package string is empty or ends with a dot. It is used to fully qualify |
| 1096 | // method names. |
| 1097 | vars["Package"] = file->package(); |
| 1098 | if (!file->package().empty()) { |
| 1099 | vars["Package"].append("."); |
| 1100 | } |
| 1101 | |
| 1102 | if (!params.services_namespace.empty()) { |
| 1103 | vars["services_namespace"] = params.services_namespace; |
| 1104 | printer->Print(vars, "\nnamespace $services_namespace$ {\n\n"); |
| 1105 | } |
| 1106 | |
| 1107 | for (int i = 0; i < file->service_count(); ++i) { |
| 1108 | PrintHeaderService(printer.get(), file->service(i).get(), &vars); |
| 1109 | printer->Print("\n"); |
| 1110 | } |
| 1111 | |
| 1112 | if (!params.services_namespace.empty()) { |
| 1113 | printer->Print(vars, "} // namespace $services_namespace$\n\n"); |
| 1114 | } |
| 1115 | } |
| 1116 | return output; |
| 1117 | } |
| 1118 | |
| 1119 | grpc::string GetHeaderEpilogue(grpc_generator::File *file, |
| 1120 | const Parameters & /*params*/) { |
| 1121 | grpc::string output; |
| 1122 | { |
| 1123 | // Scope the output stream so it closes and finalizes output to the string. |
| 1124 | auto printer = file->CreatePrinter(&output); |
| 1125 | std::map<grpc::string, grpc::string> vars; |
| 1126 | |
| 1127 | vars["filename"] = file->filename(); |
| 1128 | vars["filename_identifier"] = FilenameIdentifier(file->filename()); |
| 1129 | |
| 1130 | if (!file->package().empty()) { |
| 1131 | std::vector<grpc::string> parts = file->package_parts(); |
| 1132 | |
| 1133 | for (auto part = parts.rbegin(); part != parts.rend(); part++) { |
| 1134 | vars["part"] = *part; |
| 1135 | printer->Print(vars, "} // namespace $part$\n"); |
| 1136 | } |
| 1137 | printer->Print(vars, "\n"); |
| 1138 | } |
| 1139 | |
| 1140 | printer->Print(vars, "\n"); |
| 1141 | printer->Print(vars, "#endif // GRPC_$filename_identifier$__INCLUDED\n"); |
| 1142 | |
| 1143 | printer->Print(file->GetTrailingComments("//").c_str()); |
| 1144 | } |
| 1145 | return output; |
| 1146 | } |
| 1147 | |
| 1148 | grpc::string GetSourcePrologue(grpc_generator::File *file, |
| 1149 | const Parameters & /*params*/) { |
| 1150 | grpc::string output; |
| 1151 | { |
| 1152 | // Scope the output stream so it closes and finalizes output to the string. |
| 1153 | auto printer = file->CreatePrinter(&output); |
| 1154 | std::map<grpc::string, grpc::string> vars; |
| 1155 | |
| 1156 | vars["filename"] = file->filename(); |
| 1157 | vars["filename_base"] = file->filename_without_ext(); |
| 1158 | vars["message_header_ext"] = message_header_ext(); |
| 1159 | vars["service_header_ext"] = service_header_ext(); |
| 1160 | |
| 1161 | printer->Print(vars, "// Generated by the gRPC C++ plugin.\n"); |
| 1162 | printer->Print(vars, |
| 1163 | "// If you make any local change, they will be lost.\n"); |
| 1164 | printer->Print(vars, "// source: $filename$\n\n"); |
| 1165 | |
| 1166 | printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n"); |
| 1167 | printer->Print(vars, "#include \"$filename_base$$service_header_ext$\"\n"); |
| 1168 | printer->Print(vars, "\n"); |
| 1169 | } |
| 1170 | return output; |
| 1171 | } |
| 1172 | |
| 1173 | grpc::string GetSourceIncludes(grpc_generator::File *file, |
| 1174 | const Parameters ¶ms) { |
| 1175 | grpc::string output; |
| 1176 | { |
| 1177 | // Scope the output stream so it closes and finalizes output to the string. |
| 1178 | auto printer = file->CreatePrinter(&output); |
| 1179 | std::map<grpc::string, grpc::string> vars; |
| 1180 | |
| 1181 | static const char *headers_strs[] = { |
| 1182 | "grpc++/impl/codegen/async_stream.h", |
| 1183 | "grpc++/impl/codegen/async_unary_call.h", |
| 1184 | "grpc++/impl/codegen/channel_interface.h", |
| 1185 | "grpc++/impl/codegen/client_unary_call.h", |
| 1186 | "grpc++/impl/codegen/method_handler_impl.h", |
| 1187 | "grpc++/impl/codegen/rpc_service_method.h", |
| 1188 | "grpc++/impl/codegen/service_type.h", |
| 1189 | "grpc++/impl/codegen/sync_stream.h"}; |
| 1190 | std::vector<grpc::string> headers(headers_strs, array_end(headers_strs)); |
| 1191 | PrintIncludes(printer.get(), headers, params); |
| 1192 | |
| 1193 | if (!file->package().empty()) { |
| 1194 | std::vector<grpc::string> parts = file->package_parts(); |
| 1195 | |
| 1196 | for (auto part = parts.begin(); part != parts.end(); part++) { |
| 1197 | vars["part"] = *part; |
| 1198 | printer->Print(vars, "namespace $part$ {\n"); |
| 1199 | } |
| 1200 | } |
| 1201 | |
| 1202 | printer->Print(vars, "\n"); |
| 1203 | } |
| 1204 | return output; |
| 1205 | } |
| 1206 | |
| 1207 | void PrintSourceClientMethod(grpc_generator::Printer *printer, |
| 1208 | const grpc_generator::Method *method, |
| 1209 | std::map<grpc::string, grpc::string> *vars) { |
| 1210 | (*vars)["Method"] = method->name(); |
| 1211 | (*vars)["Request"] = method->input_type_name(); |
| 1212 | (*vars)["Response"] = method->output_type_name(); |
| 1213 | struct { |
| 1214 | grpc::string prefix; |
| 1215 | grpc::string start; // bool literal expressed as string |
| 1216 | grpc::string method_params; // extra arguments to method |
| 1217 | grpc::string create_args; // extra arguments to creator |
| 1218 | } async_prefixes[] = {{"Async", "true", ", void* tag", ", tag"}, |
| 1219 | {"PrepareAsync", "false", "", ", nullptr"}}; |
| 1220 | if (method->NoStreaming()) { |
| 1221 | printer->Print(*vars, |
| 1222 | "::grpc::Status $ns$$Service$::Stub::$Method$(" |
| 1223 | "::grpc::ClientContext* context, " |
| 1224 | "const $Request$& request, $Response$* response) {\n"); |
| 1225 | printer->Print(*vars, |
| 1226 | " return ::grpc::internal::BlockingUnaryCall" |
| 1227 | "(channel_.get(), rpcmethod_$Method$_, " |
| 1228 | "context, request, response);\n}\n\n"); |
| 1229 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1230 | auto& async_prefix = async_prefixes[i]; |
| 1231 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1232 | (*vars)["AsyncStart"] = async_prefix.start; |
| 1233 | printer->Print(*vars, |
| 1234 | "::grpc::ClientAsyncResponseReader< $Response$>* " |
| 1235 | "$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw(::grpc::" |
| 1236 | "ClientContext* context, " |
| 1237 | "const $Request$& request, " |
| 1238 | "::grpc::CompletionQueue* cq) {\n"); |
| 1239 | printer->Print( |
| 1240 | *vars, |
| 1241 | " return " |
| 1242 | "::grpc::internal::ClientAsyncResponseReaderFactory< $Response$>" |
| 1243 | "::Create(channel_.get(), cq, " |
| 1244 | "rpcmethod_$Method$_, " |
| 1245 | "context, request, $AsyncStart$);\n" |
| 1246 | "}\n\n"); |
| 1247 | } |
| 1248 | } else if (ClientOnlyStreaming(method)) { |
| 1249 | printer->Print(*vars, |
| 1250 | "::grpc::ClientWriter< $Request$>* " |
| 1251 | "$ns$$Service$::Stub::$Method$Raw(" |
| 1252 | "::grpc::ClientContext* context, $Response$* response) {\n"); |
| 1253 | printer->Print( |
| 1254 | *vars, |
| 1255 | " return ::grpc::internal::ClientWriterFactory< $Request$>::Create(" |
| 1256 | "channel_.get(), " |
| 1257 | "rpcmethod_$Method$_, " |
| 1258 | "context, response);\n" |
| 1259 | "}\n\n"); |
| 1260 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1261 | auto& async_prefix = async_prefixes[i]; |
| 1262 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1263 | (*vars)["AsyncStart"] = async_prefix.start; |
| 1264 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 1265 | (*vars)["AsyncCreateArgs"] = async_prefix.create_args; |
| 1266 | printer->Print(*vars, |
| 1267 | "::grpc::ClientAsyncWriter< $Request$>* " |
| 1268 | "$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw(" |
| 1269 | "::grpc::ClientContext* context, $Response$* response, " |
| 1270 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 1271 | printer->Print( |
| 1272 | *vars, |
| 1273 | " return ::grpc::internal::ClientAsyncWriterFactory< $Request$>" |
| 1274 | "::Create(channel_.get(), cq, " |
| 1275 | "rpcmethod_$Method$_, " |
| 1276 | "context, response, $AsyncStart$$AsyncCreateArgs$);\n" |
| 1277 | "}\n\n"); |
| 1278 | } |
| 1279 | } else if (ServerOnlyStreaming(method)) { |
| 1280 | printer->Print( |
| 1281 | *vars, |
| 1282 | "::grpc::ClientReader< $Response$>* " |
| 1283 | "$ns$$Service$::Stub::$Method$Raw(" |
| 1284 | "::grpc::ClientContext* context, const $Request$& request) {\n"); |
| 1285 | printer->Print( |
| 1286 | *vars, |
| 1287 | " return ::grpc::internal::ClientReaderFactory< $Response$>::Create(" |
| 1288 | "channel_.get(), " |
| 1289 | "rpcmethod_$Method$_, " |
| 1290 | "context, request);\n" |
| 1291 | "}\n\n"); |
| 1292 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1293 | auto& async_prefix = async_prefixes[i]; |
| 1294 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1295 | (*vars)["AsyncStart"] = async_prefix.start; |
| 1296 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 1297 | (*vars)["AsyncCreateArgs"] = async_prefix.create_args; |
| 1298 | printer->Print( |
| 1299 | *vars, |
| 1300 | "::grpc::ClientAsyncReader< $Response$>* " |
| 1301 | "$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw(" |
| 1302 | "::grpc::ClientContext* context, const $Request$& request, " |
| 1303 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 1304 | printer->Print( |
| 1305 | *vars, |
| 1306 | " return ::grpc::internal::ClientAsyncReaderFactory< $Response$>" |
| 1307 | "::Create(channel_.get(), cq, " |
| 1308 | "rpcmethod_$Method$_, " |
| 1309 | "context, request, $AsyncStart$$AsyncCreateArgs$);\n" |
| 1310 | "}\n\n"); |
| 1311 | } |
| 1312 | } else if (method->BidiStreaming()) { |
| 1313 | printer->Print( |
| 1314 | *vars, |
| 1315 | "::grpc::ClientReaderWriter< $Request$, $Response$>* " |
| 1316 | "$ns$$Service$::Stub::$Method$Raw(::grpc::ClientContext* context) {\n"); |
| 1317 | printer->Print(*vars, |
| 1318 | " return ::grpc::internal::ClientReaderWriterFactory< " |
| 1319 | "$Request$, $Response$>::Create(" |
| 1320 | "channel_.get(), " |
| 1321 | "rpcmethod_$Method$_, " |
| 1322 | "context);\n" |
| 1323 | "}\n\n"); |
| 1324 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1325 | auto& async_prefix = async_prefixes[i]; |
| 1326 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1327 | (*vars)["AsyncStart"] = async_prefix.start; |
| 1328 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 1329 | (*vars)["AsyncCreateArgs"] = async_prefix.create_args; |
| 1330 | printer->Print(*vars, |
| 1331 | "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>* " |
| 1332 | "$ns$$Service$::Stub::$AsyncPrefix$$Method$Raw(::grpc::" |
| 1333 | "ClientContext* context, " |
| 1334 | "::grpc::CompletionQueue* cq$AsyncMethodParams$) {\n"); |
| 1335 | printer->Print(*vars, |
| 1336 | " return " |
| 1337 | "::grpc::internal::ClientAsyncReaderWriterFactory< " |
| 1338 | "$Request$, $Response$>::Create(" |
| 1339 | "channel_.get(), cq, " |
| 1340 | "rpcmethod_$Method$_, " |
| 1341 | "context, $AsyncStart$$AsyncCreateArgs$);\n" |
| 1342 | "}\n\n"); |
| 1343 | } |
| 1344 | } |
| 1345 | } |
| 1346 | |
| 1347 | void PrintSourceServerMethod(grpc_generator::Printer *printer, |
| 1348 | const grpc_generator::Method *method, |
| 1349 | std::map<grpc::string, grpc::string> *vars) { |
| 1350 | (*vars)["Method"] = method->name(); |
| 1351 | (*vars)["Request"] = method->input_type_name(); |
| 1352 | (*vars)["Response"] = method->output_type_name(); |
| 1353 | if (method->NoStreaming()) { |
| 1354 | printer->Print(*vars, |
| 1355 | "::grpc::Status $ns$$Service$::Service::$Method$(" |
| 1356 | "::grpc::ServerContext* context, " |
| 1357 | "const $Request$* request, $Response$* response) {\n"); |
| 1358 | printer->Print(" (void) context;\n"); |
| 1359 | printer->Print(" (void) request;\n"); |
| 1360 | printer->Print(" (void) response;\n"); |
| 1361 | printer->Print( |
| 1362 | " return ::grpc::Status(" |
| 1363 | "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| 1364 | printer->Print("}\n\n"); |
| 1365 | } else if (ClientOnlyStreaming(method)) { |
| 1366 | printer->Print(*vars, |
| 1367 | "::grpc::Status $ns$$Service$::Service::$Method$(" |
| 1368 | "::grpc::ServerContext* context, " |
| 1369 | "::grpc::ServerReader< $Request$>* reader, " |
| 1370 | "$Response$* response) {\n"); |
| 1371 | printer->Print(" (void) context;\n"); |
| 1372 | printer->Print(" (void) reader;\n"); |
| 1373 | printer->Print(" (void) response;\n"); |
| 1374 | printer->Print( |
| 1375 | " return ::grpc::Status(" |
| 1376 | "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| 1377 | printer->Print("}\n\n"); |
| 1378 | } else if (ServerOnlyStreaming(method)) { |
| 1379 | printer->Print(*vars, |
| 1380 | "::grpc::Status $ns$$Service$::Service::$Method$(" |
| 1381 | "::grpc::ServerContext* context, " |
| 1382 | "const $Request$* request, " |
| 1383 | "::grpc::ServerWriter< $Response$>* writer) {\n"); |
| 1384 | printer->Print(" (void) context;\n"); |
| 1385 | printer->Print(" (void) request;\n"); |
| 1386 | printer->Print(" (void) writer;\n"); |
| 1387 | printer->Print( |
| 1388 | " return ::grpc::Status(" |
| 1389 | "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| 1390 | printer->Print("}\n\n"); |
| 1391 | } else if (method->BidiStreaming()) { |
| 1392 | printer->Print(*vars, |
| 1393 | "::grpc::Status $ns$$Service$::Service::$Method$(" |
| 1394 | "::grpc::ServerContext* context, " |
| 1395 | "::grpc::ServerReaderWriter< $Response$, $Request$>* " |
| 1396 | "stream) {\n"); |
| 1397 | printer->Print(" (void) context;\n"); |
| 1398 | printer->Print(" (void) stream;\n"); |
| 1399 | printer->Print( |
| 1400 | " return ::grpc::Status(" |
| 1401 | "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"); |
| 1402 | printer->Print("}\n\n"); |
| 1403 | } |
| 1404 | } |
| 1405 | |
| 1406 | void PrintSourceService(grpc_generator::Printer *printer, |
| 1407 | const grpc_generator::Service *service, |
| 1408 | std::map<grpc::string, grpc::string> *vars) { |
| 1409 | (*vars)["Service"] = service->name(); |
| 1410 | |
| 1411 | if (service->method_count() > 0) { |
| 1412 | printer->Print(*vars, |
| 1413 | "static const char* $prefix$$Service$_method_names[] = {\n"); |
| 1414 | for (int i = 0; i < service->method_count(); ++i) { |
| 1415 | (*vars)["Method"] = service->method(i).get()->name(); |
| 1416 | printer->Print(*vars, " \"/$Package$$Service$/$Method$\",\n"); |
| 1417 | } |
| 1418 | printer->Print(*vars, "};\n\n"); |
| 1419 | } |
| 1420 | |
| 1421 | printer->Print(*vars, |
| 1422 | "std::unique_ptr< $ns$$Service$::Stub> $ns$$Service$::NewStub(" |
| 1423 | "const std::shared_ptr< ::grpc::ChannelInterface>& channel, " |
| 1424 | "const ::grpc::StubOptions& options) {\n" |
| 1425 | " std::unique_ptr< $ns$$Service$::Stub> stub(new " |
| 1426 | "$ns$$Service$::Stub(channel));\n" |
| 1427 | " return stub;\n" |
| 1428 | "}\n\n"); |
| 1429 | printer->Print(*vars, |
| 1430 | "$ns$$Service$::Stub::Stub(const std::shared_ptr< " |
| 1431 | "::grpc::ChannelInterface>& channel)\n"); |
| 1432 | printer->Indent(); |
| 1433 | printer->Print(": channel_(channel)"); |
| 1434 | for (int i = 0; i < service->method_count(); ++i) { |
| 1435 | auto method = service->method(i); |
| 1436 | (*vars)["Method"] = method->name(); |
| 1437 | (*vars)["Idx"] = as_string(i); |
| 1438 | if (method->NoStreaming()) { |
| 1439 | (*vars)["StreamingType"] = "NORMAL_RPC"; |
| 1440 | // NOTE: There is no reason to consider streamed-unary as a separate |
| 1441 | // category here since this part is setting up the client-side stub |
| 1442 | // and this appears as a NORMAL_RPC from the client-side. |
| 1443 | } else if (ClientOnlyStreaming(method.get())) { |
| 1444 | (*vars)["StreamingType"] = "CLIENT_STREAMING"; |
| 1445 | } else if (ServerOnlyStreaming(method.get())) { |
| 1446 | (*vars)["StreamingType"] = "SERVER_STREAMING"; |
| 1447 | } else { |
| 1448 | (*vars)["StreamingType"] = "BIDI_STREAMING"; |
| 1449 | } |
| 1450 | printer->Print(*vars, |
| 1451 | ", rpcmethod_$Method$_(" |
| 1452 | "$prefix$$Service$_method_names[$Idx$], " |
| 1453 | "::grpc::internal::RpcMethod::$StreamingType$, " |
| 1454 | "channel" |
| 1455 | ")\n"); |
| 1456 | } |
| 1457 | printer->Print("{}\n\n"); |
| 1458 | printer->Outdent(); |
| 1459 | |
| 1460 | for (int i = 0; i < service->method_count(); ++i) { |
| 1461 | (*vars)["Idx"] = as_string(i); |
| 1462 | PrintSourceClientMethod(printer, service->method(i).get(), vars); |
| 1463 | } |
| 1464 | |
| 1465 | printer->Print(*vars, "$ns$$Service$::Service::Service() {\n"); |
| 1466 | printer->Indent(); |
| 1467 | for (int i = 0; i < service->method_count(); ++i) { |
| 1468 | auto method = service->method(i); |
| 1469 | (*vars)["Idx"] = as_string(i); |
| 1470 | (*vars)["Method"] = method->name(); |
| 1471 | (*vars)["Request"] = method->input_type_name(); |
| 1472 | (*vars)["Response"] = method->output_type_name(); |
| 1473 | if (method->NoStreaming()) { |
| 1474 | printer->Print( |
| 1475 | *vars, |
| 1476 | "AddMethod(new ::grpc::internal::RpcServiceMethod(\n" |
| 1477 | " $prefix$$Service$_method_names[$Idx$],\n" |
| 1478 | " ::grpc::internal::RpcMethod::NORMAL_RPC,\n" |
| 1479 | " new ::grpc::internal::RpcMethodHandler< $ns$$Service$::Service, " |
| 1480 | "$Request$, " |
| 1481 | "$Response$>(\n" |
| 1482 | " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| 1483 | } else if (ClientOnlyStreaming(method.get())) { |
| 1484 | printer->Print( |
| 1485 | *vars, |
| 1486 | "AddMethod(new ::grpc::internal::RpcServiceMethod(\n" |
| 1487 | " $prefix$$Service$_method_names[$Idx$],\n" |
| 1488 | " ::grpc::internal::RpcMethod::CLIENT_STREAMING,\n" |
| 1489 | " new ::grpc::internal::ClientStreamingHandler< " |
| 1490 | "$ns$$Service$::Service, $Request$, $Response$>(\n" |
| 1491 | " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| 1492 | } else if (ServerOnlyStreaming(method.get())) { |
| 1493 | printer->Print( |
| 1494 | *vars, |
| 1495 | "AddMethod(new ::grpc::internal::RpcServiceMethod(\n" |
| 1496 | " $prefix$$Service$_method_names[$Idx$],\n" |
| 1497 | " ::grpc::internal::RpcMethod::SERVER_STREAMING,\n" |
| 1498 | " new ::grpc::internal::ServerStreamingHandler< " |
| 1499 | "$ns$$Service$::Service, $Request$, $Response$>(\n" |
| 1500 | " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| 1501 | } else if (method->BidiStreaming()) { |
| 1502 | printer->Print( |
| 1503 | *vars, |
| 1504 | "AddMethod(new ::grpc::internal::RpcServiceMethod(\n" |
| 1505 | " $prefix$$Service$_method_names[$Idx$],\n" |
| 1506 | " ::grpc::internal::RpcMethod::BIDI_STREAMING,\n" |
| 1507 | " new ::grpc::internal::BidiStreamingHandler< " |
| 1508 | "$ns$$Service$::Service, $Request$, $Response$>(\n" |
| 1509 | " std::mem_fn(&$ns$$Service$::Service::$Method$), this)));\n"); |
| 1510 | } |
| 1511 | } |
| 1512 | printer->Outdent(); |
| 1513 | printer->Print(*vars, "}\n\n"); |
| 1514 | printer->Print(*vars, |
| 1515 | "$ns$$Service$::Service::~Service() {\n" |
| 1516 | "}\n\n"); |
| 1517 | for (int i = 0; i < service->method_count(); ++i) { |
| 1518 | (*vars)["Idx"] = as_string(i); |
| 1519 | PrintSourceServerMethod(printer, service->method(i).get(), vars); |
| 1520 | } |
| 1521 | } |
| 1522 | |
| 1523 | grpc::string GetSourceServices(grpc_generator::File *file, |
| 1524 | const Parameters ¶ms) { |
| 1525 | grpc::string output; |
| 1526 | { |
| 1527 | // Scope the output stream so it closes and finalizes output to the string. |
| 1528 | auto printer = file->CreatePrinter(&output); |
| 1529 | std::map<grpc::string, grpc::string> vars; |
| 1530 | // Package string is empty or ends with a dot. It is used to fully qualify |
| 1531 | // method names. |
| 1532 | vars["Package"] = file->package(); |
| 1533 | if (!file->package().empty()) { |
| 1534 | vars["Package"].append("."); |
| 1535 | } |
| 1536 | if (!params.services_namespace.empty()) { |
| 1537 | vars["ns"] = params.services_namespace + "::"; |
| 1538 | vars["prefix"] = params.services_namespace; |
| 1539 | } else { |
| 1540 | vars["ns"] = ""; |
| 1541 | vars["prefix"] = ""; |
| 1542 | } |
| 1543 | |
| 1544 | for (int i = 0; i < file->service_count(); ++i) { |
| 1545 | PrintSourceService(printer.get(), file->service(i).get(), &vars); |
| 1546 | printer->Print("\n"); |
| 1547 | } |
| 1548 | } |
| 1549 | return output; |
| 1550 | } |
| 1551 | |
| 1552 | grpc::string GetSourceEpilogue(grpc_generator::File *file, |
| 1553 | const Parameters & /*params*/) { |
| 1554 | grpc::string temp; |
| 1555 | |
| 1556 | if (!file->package().empty()) { |
| 1557 | std::vector<grpc::string> parts = file->package_parts(); |
| 1558 | |
| 1559 | for (auto part = parts.begin(); part != parts.end(); part++) { |
| 1560 | temp.append("} // namespace "); |
| 1561 | temp.append(*part); |
| 1562 | temp.append("\n"); |
| 1563 | } |
| 1564 | temp.append("\n"); |
| 1565 | } |
| 1566 | |
| 1567 | return temp; |
| 1568 | } |
| 1569 | |
| 1570 | // TODO(mmukhi): Make sure we need parameters or not. |
| 1571 | grpc::string GetMockPrologue(grpc_generator::File *file, |
| 1572 | const Parameters & /*params*/) { |
| 1573 | grpc::string output; |
| 1574 | { |
| 1575 | // Scope the output stream so it closes and finalizes output to the string. |
| 1576 | auto printer = file->CreatePrinter(&output); |
| 1577 | std::map<grpc::string, grpc::string> vars; |
| 1578 | |
| 1579 | vars["filename"] = file->filename(); |
| 1580 | vars["filename_base"] = file->filename_without_ext(); |
| 1581 | vars["message_header_ext"] = message_header_ext(); |
| 1582 | vars["service_header_ext"] = service_header_ext(); |
| 1583 | |
| 1584 | printer->Print(vars, "// Generated by the gRPC C++ plugin.\n"); |
| 1585 | printer->Print(vars, |
| 1586 | "// If you make any local change, they will be lost.\n"); |
| 1587 | printer->Print(vars, "// source: $filename$\n\n"); |
| 1588 | |
| 1589 | printer->Print(vars, "#include \"$filename_base$$message_header_ext$\"\n"); |
| 1590 | printer->Print(vars, "#include \"$filename_base$$service_header_ext$\"\n"); |
| 1591 | printer->Print(vars, file->additional_headers().c_str()); |
| 1592 | printer->Print(vars, "\n"); |
| 1593 | } |
| 1594 | return output; |
| 1595 | } |
| 1596 | |
| 1597 | // TODO(mmukhi): Add client-stream and completion-queue headers. |
| 1598 | grpc::string GetMockIncludes(grpc_generator::File *file, |
| 1599 | const Parameters ¶ms) { |
| 1600 | grpc::string output; |
| 1601 | { |
| 1602 | // Scope the output stream so it closes and finalizes output to the string. |
| 1603 | auto printer = file->CreatePrinter(&output); |
| 1604 | std::map<grpc::string, grpc::string> vars; |
| 1605 | |
| 1606 | static const char *headers_strs[] = { |
| 1607 | "grpc++/impl/codegen/async_stream.h", |
| 1608 | "grpc++/impl/codegen/sync_stream.h", |
| 1609 | "gmock/gmock.h", |
| 1610 | }; |
| 1611 | std::vector<grpc::string> headers(headers_strs, array_end(headers_strs)); |
| 1612 | PrintIncludes(printer.get(), headers, params); |
| 1613 | |
| 1614 | if (!file->package().empty()) { |
| 1615 | std::vector<grpc::string> parts = file->package_parts(); |
| 1616 | |
| 1617 | for (auto part = parts.begin(); part != parts.end(); part++) { |
| 1618 | vars["part"] = *part; |
| 1619 | printer->Print(vars, "namespace $part$ {\n"); |
| 1620 | } |
| 1621 | } |
| 1622 | |
| 1623 | printer->Print(vars, "\n"); |
| 1624 | } |
| 1625 | return output; |
| 1626 | } |
| 1627 | |
| 1628 | void PrintMockClientMethods(grpc_generator::Printer *printer, |
| 1629 | const grpc_generator::Method *method, |
| 1630 | std::map<grpc::string, grpc::string> *vars) { |
| 1631 | (*vars)["Method"] = method->name(); |
| 1632 | (*vars)["Request"] = method->input_type_name(); |
| 1633 | (*vars)["Response"] = method->output_type_name(); |
| 1634 | |
| 1635 | struct { |
| 1636 | grpc::string prefix; |
| 1637 | grpc::string method_params; // extra arguments to method |
| 1638 | int extra_method_param_count; |
| 1639 | } async_prefixes[] = {{"Async", ", void* tag", 1}, {"PrepareAsync", "", 0}}; |
| 1640 | |
| 1641 | if (method->NoStreaming()) { |
| 1642 | printer->Print( |
| 1643 | *vars, |
| 1644 | "MOCK_METHOD3($Method$, ::grpc::Status(::grpc::ClientContext* context, " |
| 1645 | "const $Request$& request, $Response$* response));\n"); |
| 1646 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1647 | auto& async_prefix = async_prefixes[i]; |
| 1648 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1649 | printer->Print( |
| 1650 | *vars, |
| 1651 | "MOCK_METHOD3($AsyncPrefix$$Method$Raw, " |
| 1652 | "::grpc::ClientAsyncResponseReaderInterface< $Response$>*" |
| 1653 | "(::grpc::ClientContext* context, const $Request$& request, " |
| 1654 | "::grpc::CompletionQueue* cq));\n"); |
| 1655 | } |
| 1656 | } else if (ClientOnlyStreaming(method)) { |
| 1657 | printer->Print( |
| 1658 | *vars, |
| 1659 | "MOCK_METHOD2($Method$Raw, " |
| 1660 | "::grpc::ClientWriterInterface< $Request$>*" |
| 1661 | "(::grpc::ClientContext* context, $Response$* response));\n"); |
| 1662 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1663 | auto& async_prefix = async_prefixes[i]; |
| 1664 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1665 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 1666 | (*vars)["MockArgs"] = |
| 1667 | flatbuffers::NumToString(3 + async_prefix.extra_method_param_count); |
| 1668 | printer->Print(*vars, |
| 1669 | "MOCK_METHOD$MockArgs$($AsyncPrefix$$Method$Raw, " |
| 1670 | "::grpc::ClientAsyncWriterInterface< $Request$>*" |
| 1671 | "(::grpc::ClientContext* context, $Response$* response, " |
| 1672 | "::grpc::CompletionQueue* cq$AsyncMethodParams$));\n"); |
| 1673 | } |
| 1674 | } else if (ServerOnlyStreaming(method)) { |
| 1675 | printer->Print( |
| 1676 | *vars, |
| 1677 | "MOCK_METHOD2($Method$Raw, " |
| 1678 | "::grpc::ClientReaderInterface< $Response$>*" |
| 1679 | "(::grpc::ClientContext* context, const $Request$& request));\n"); |
| 1680 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1681 | auto& async_prefix = async_prefixes[i]; |
| 1682 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1683 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 1684 | (*vars)["MockArgs"] = |
| 1685 | flatbuffers::NumToString(3 + async_prefix.extra_method_param_count); |
| 1686 | printer->Print( |
| 1687 | *vars, |
| 1688 | "MOCK_METHOD$MockArgs$($AsyncPrefix$$Method$Raw, " |
| 1689 | "::grpc::ClientAsyncReaderInterface< $Response$>*" |
| 1690 | "(::grpc::ClientContext* context, const $Request$& request, " |
| 1691 | "::grpc::CompletionQueue* cq$AsyncMethodParams$));\n"); |
| 1692 | } |
| 1693 | } else if (method->BidiStreaming()) { |
| 1694 | printer->Print( |
| 1695 | *vars, |
| 1696 | "MOCK_METHOD1($Method$Raw, " |
| 1697 | "::grpc::ClientReaderWriterInterface< $Request$, $Response$>*" |
| 1698 | "(::grpc::ClientContext* context));\n"); |
| 1699 | for (size_t i = 0; i < sizeof(async_prefixes)/sizeof(async_prefixes[0]); i ++) { |
| 1700 | auto& async_prefix = async_prefixes[i]; |
| 1701 | (*vars)["AsyncPrefix"] = async_prefix.prefix; |
| 1702 | (*vars)["AsyncMethodParams"] = async_prefix.method_params; |
| 1703 | (*vars)["MockArgs"] = |
| 1704 | flatbuffers::NumToString(2 + async_prefix.extra_method_param_count); |
| 1705 | printer->Print( |
| 1706 | *vars, |
| 1707 | "MOCK_METHOD$MockArgs$($AsyncPrefix$$Method$Raw, " |
| 1708 | "::grpc::ClientAsyncReaderWriterInterface<$Request$, $Response$>*" |
| 1709 | "(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq" |
| 1710 | "$AsyncMethodParams$));\n"); |
| 1711 | } |
| 1712 | } |
| 1713 | } |
| 1714 | |
| 1715 | void PrintMockService(grpc_generator::Printer *printer, |
| 1716 | const grpc_generator::Service *service, |
| 1717 | std::map<grpc::string, grpc::string> *vars) { |
| 1718 | (*vars)["Service"] = service->name(); |
| 1719 | |
| 1720 | printer->Print(*vars, |
| 1721 | "class Mock$Service$Stub : public $Service$::StubInterface {\n" |
| 1722 | " public:\n"); |
| 1723 | printer->Indent(); |
| 1724 | for (int i = 0; i < service->method_count(); ++i) { |
| 1725 | PrintMockClientMethods(printer, service->method(i).get(), vars); |
| 1726 | } |
| 1727 | printer->Outdent(); |
| 1728 | printer->Print("};\n"); |
| 1729 | } |
| 1730 | |
| 1731 | grpc::string GetMockServices(grpc_generator::File *file, |
| 1732 | const Parameters ¶ms) { |
| 1733 | grpc::string output; |
| 1734 | { |
| 1735 | // Scope the output stream so it closes and finalizes output to the string. |
| 1736 | auto printer = file->CreatePrinter(&output); |
| 1737 | std::map<grpc::string, grpc::string> vars; |
| 1738 | // Package string is empty or ends with a dot. It is used to fully qualify |
| 1739 | // method names. |
| 1740 | vars["Package"] = file->package(); |
| 1741 | if (!file->package().empty()) { |
| 1742 | vars["Package"].append("."); |
| 1743 | } |
| 1744 | |
| 1745 | if (!params.services_namespace.empty()) { |
| 1746 | vars["services_namespace"] = params.services_namespace; |
| 1747 | printer->Print(vars, "\nnamespace $services_namespace$ {\n\n"); |
| 1748 | } |
| 1749 | |
| 1750 | for (int i = 0; i < file->service_count(); i++) { |
| 1751 | PrintMockService(printer.get(), file->service(i).get(), &vars); |
| 1752 | printer->Print("\n"); |
| 1753 | } |
| 1754 | |
| 1755 | if (!params.services_namespace.empty()) { |
| 1756 | printer->Print(vars, "} // namespace $services_namespace$\n\n"); |
| 1757 | } |
| 1758 | } |
| 1759 | return output; |
| 1760 | } |
| 1761 | |
| 1762 | grpc::string GetMockEpilogue(grpc_generator::File *file, |
| 1763 | const Parameters & /*params*/) { |
| 1764 | grpc::string temp; |
| 1765 | |
| 1766 | if (!file->package().empty()) { |
| 1767 | std::vector<grpc::string> parts = file->package_parts(); |
| 1768 | |
| 1769 | for (auto part = parts.begin(); part != parts.end(); part++) { |
| 1770 | temp.append("} // namespace "); |
| 1771 | temp.append(*part); |
| 1772 | temp.append("\n"); |
| 1773 | } |
| 1774 | temp.append("\n"); |
| 1775 | } |
| 1776 | |
| 1777 | return temp; |
| 1778 | } |
| 1779 | |
| 1780 | } // namespace grpc_cpp_generator |