AssembleVintf.cpp revision ea25dd45961fc0b23ae9ba602c6d090590aa8241
1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <getopt.h> 18#include <stdlib.h> 19#include <unistd.h> 20 21#include <fstream> 22#include <iostream> 23#include <unordered_map> 24#include <sstream> 25#include <string> 26 27#include <android-base/file.h> 28#include <android-base/parseint.h> 29 30#include <vintf/KernelConfigParser.h> 31#include <vintf/parse_string.h> 32#include <vintf/parse_xml.h> 33 34#define BUFFER_SIZE sysconf(_SC_PAGESIZE) 35 36namespace android { 37namespace vintf { 38 39static const std::string gConfigPrefix = "android-base-"; 40static const std::string gConfigSuffix = ".cfg"; 41static const std::string gBaseConfig = "android-base.cfg"; 42 43/** 44 * Slurps the device manifest file and add build time flag to it. 45 */ 46class AssembleVintf { 47 using Condition = std::unique_ptr<KernelConfig>; 48 using ConditionedConfig = std::pair<Condition, std::vector<KernelConfig> /* configs */>; 49 50 public: 51 template<typename T> 52 static bool getFlag(const std::string& key, T* value) { 53 const char *envValue = getenv(key.c_str()); 54 if (envValue == NULL) { 55 std::cerr << "Warning: " << key << " is missing, defaulted to " << (*value) 56 << std::endl; 57 return true; 58 } 59 60 if (!parse(envValue, value)) { 61 std::cerr << "Cannot parse " << envValue << "." << std::endl; 62 return false; 63 } 64 return true; 65 } 66 67 static bool getBooleanFlag(const char* key) { 68 const char* envValue = getenv(key); 69 return envValue != nullptr && strcmp(envValue, "true") == 0; 70 } 71 72 static size_t getIntegerFlag(const char* key, size_t defaultValue = 0) { 73 std::string envValue = getenv(key); 74 if (envValue.empty()) { 75 return defaultValue; 76 } 77 size_t value; 78 if (!base::ParseUint(envValue, &value)) { 79 std::cerr << "Error: " << key << " must be a number." << std::endl; 80 return defaultValue; 81 } 82 return value; 83 } 84 85 static std::string read(std::basic_istream<char>& is) { 86 std::stringstream ss; 87 ss << is.rdbuf(); 88 return ss.str(); 89 } 90 91 static bool isCommonConfig(const std::string& path) { 92 return ::android::base::Basename(path) == gBaseConfig; 93 } 94 95 static Level convertFromApiLevel(size_t apiLevel) { 96 if (apiLevel < 26) { 97 return Level::LEGACY; 98 } else if (apiLevel == 26) { 99 return Level::O; 100 } else if (apiLevel == 27) { 101 return Level::O_MR1; 102 } else { 103 return Level::UNSPECIFIED; 104 } 105 } 106 107 // nullptr on any error, otherwise the condition. 108 static Condition generateCondition(const std::string& path) { 109 std::string fname = ::android::base::Basename(path); 110 if (fname.size() <= gConfigPrefix.size() + gConfigSuffix.size() || 111 !std::equal(gConfigPrefix.begin(), gConfigPrefix.end(), fname.begin()) || 112 !std::equal(gConfigSuffix.rbegin(), gConfigSuffix.rend(), fname.rbegin())) { 113 return nullptr; 114 } 115 116 std::string sub = fname.substr(gConfigPrefix.size(), 117 fname.size() - gConfigPrefix.size() - gConfigSuffix.size()); 118 if (sub.empty()) { 119 return nullptr; // should not happen 120 } 121 for (size_t i = 0; i < sub.size(); ++i) { 122 if (sub[i] == '-') { 123 sub[i] = '_'; 124 continue; 125 } 126 if (isalnum(sub[i])) { 127 sub[i] = toupper(sub[i]); 128 continue; 129 } 130 std::cerr << "'" << fname << "' (in " << path 131 << ") is not a valid kernel config file name. Must match regex: " 132 << "android-base(-[0-9a-zA-Z-]+)?\\.cfg" << std::endl; 133 return nullptr; 134 } 135 sub.insert(0, "CONFIG_"); 136 return std::make_unique<KernelConfig>(std::move(sub), Tristate::YES); 137 } 138 139 static bool parseFileForKernelConfigs(const std::string& path, std::vector<KernelConfig>* out) { 140 std::ifstream ifs{path}; 141 if (!ifs.is_open()) { 142 std::cerr << "File '" << path << "' does not exist or cannot be read." << std::endl; 143 return false; 144 } 145 KernelConfigParser parser(true /* processComments */, true /* relaxedFormat */); 146 std::string content = read(ifs); 147 status_t err = parser.process(content.c_str(), content.size()); 148 if (err != OK) { 149 std::cerr << parser.error(); 150 return false; 151 } 152 err = parser.finish(); 153 if (err != OK) { 154 std::cerr << parser.error(); 155 return false; 156 } 157 158 for (auto& configPair : parser.configs()) { 159 out->push_back({}); 160 KernelConfig& config = out->back(); 161 config.first = std::move(configPair.first); 162 if (!parseKernelConfigTypedValue(configPair.second, &config.second)) { 163 std::cerr << "Unknown value type for key = '" << config.first << "', value = '" 164 << configPair.second << "'\n"; 165 return false; 166 } 167 } 168 return true; 169 } 170 171 static bool parseFilesForKernelConfigs(const std::string& path, 172 std::vector<ConditionedConfig>* out) { 173 out->clear(); 174 ConditionedConfig commonConfig; 175 bool foundCommonConfig = false; 176 bool ret = true; 177 char *pathIter; 178 char *modPath = new char[path.length() + 1]; 179 strcpy(modPath, path.c_str()); 180 pathIter = strtok(modPath, ":"); 181 while (ret && pathIter != NULL) { 182 if (isCommonConfig(pathIter)) { 183 ret &= parseFileForKernelConfigs(pathIter, &commonConfig.second); 184 foundCommonConfig = true; 185 } else { 186 Condition condition = generateCondition(pathIter); 187 ret &= (condition != nullptr); 188 189 std::vector<KernelConfig> kernelConfigs; 190 if ((ret &= parseFileForKernelConfigs(pathIter, &kernelConfigs))) 191 out->emplace_back(std::move(condition), std::move(kernelConfigs)); 192 } 193 pathIter = strtok(NULL, ":"); 194 } 195 delete[] modPath; 196 197 if (!foundCommonConfig) { 198 std::cerr << "No android-base.cfg is found in these paths: '" << path << "'" 199 << std::endl; 200 } 201 ret &= foundCommonConfig; 202 // first element is always common configs (no conditions). 203 out->insert(out->begin(), std::move(commonConfig)); 204 return ret; 205 } 206 207 static std::string getFileNameFromPath(std::string path) { 208 auto idx = path.find_last_of("\\/"); 209 if (idx != std::string::npos) { 210 path.erase(0, idx + 1); 211 } 212 return path; 213 } 214 215 std::basic_ostream<char>& out() const { 216 return mOutFileRef == nullptr ? std::cout : *mOutFileRef; 217 } 218 219 template <typename S> 220 using Schemas = std::vector<std::pair<std::string, S>>; 221 using HalManifests = Schemas<HalManifest>; 222 using CompatibilityMatrices = Schemas<CompatibilityMatrix>; 223 224 bool assembleHalManifest(HalManifests* halManifests) { 225 std::string error; 226 HalManifest* halManifest = &halManifests->front().second; 227 for (auto it = halManifests->begin() + 1; it != halManifests->end(); ++it) { 228 const std::string& path = it->first; 229 HalManifest& halToAdd = it->second; 230 231 if (halToAdd.level() != Level::UNSPECIFIED) { 232 if (halManifest->level() == Level::UNSPECIFIED) { 233 halManifest->mLevel = halToAdd.level(); 234 } else if (halManifest->level() != halToAdd.level()) { 235 std::cerr << "Inconsistent FCM Version in HAL manifests:" << std::endl 236 << " File '" << halManifests->front().first << "' has level " 237 << halManifest->level() << std::endl 238 << " File '" << path << "' has level " << halToAdd.level() 239 << std::endl; 240 return false; 241 } 242 } 243 244 if (!halManifest->addAllHals(&halToAdd, &error)) { 245 std::cerr << "File \"" << path << "\" cannot be added: conflict on HAL \"" << error 246 << "\" with an existing HAL. See <hal> with the same name " 247 << "in previously parsed files or previously declared in this file." 248 << std::endl; 249 return false; 250 } 251 } 252 253 if (halManifest->mType == SchemaType::DEVICE) { 254 if (!getFlag("BOARD_SEPOLICY_VERS", &halManifest->device.mSepolicyVersion)) { 255 return false; 256 } 257 if (!setDeviceFcmVersion(halManifest)) { 258 return false; 259 } 260 } 261 262 if (mOutputMatrix) { 263 CompatibilityMatrix generatedMatrix = halManifest->generateCompatibleMatrix(); 264 if (!halManifest->checkCompatibility(generatedMatrix, &error)) { 265 std::cerr << "FATAL ERROR: cannot generate a compatible matrix: " << error 266 << std::endl; 267 } 268 out() << "<!-- \n" 269 " Autogenerated skeleton compatibility matrix. \n" 270 " Use with caution. Modify it to suit your needs.\n" 271 " All HALs are set to optional.\n" 272 " Many entries other than HALs are zero-filled and\n" 273 " require human attention. \n" 274 "-->\n" 275 << gCompatibilityMatrixConverter(generatedMatrix, mSerializeFlags); 276 } else { 277 out() << gHalManifestConverter(*halManifest, mSerializeFlags); 278 } 279 out().flush(); 280 281 if (mCheckFile.is_open()) { 282 CompatibilityMatrix checkMatrix; 283 if (!gCompatibilityMatrixConverter(&checkMatrix, read(mCheckFile))) { 284 std::cerr << "Cannot parse check file as a compatibility matrix: " 285 << gCompatibilityMatrixConverter.lastError() << std::endl; 286 return false; 287 } 288 if (!halManifest->checkCompatibility(checkMatrix, &error)) { 289 std::cerr << "Not compatible: " << error << std::endl; 290 return false; 291 } 292 } 293 294 return true; 295 } 296 297 bool assembleFrameworkCompatibilityMatrixKernels(CompatibilityMatrix* matrix) { 298 if (!matrix->framework.mKernels.empty()) { 299 // Remove hard-coded <kernel version="x.y.z" /> in legacy files. 300 std::cerr << "WARNING: framework compatibility matrix has hard-coded kernel" 301 << " requirements for version"; 302 for (const auto& kernel : matrix->framework.mKernels) { 303 std::cerr << " " << kernel.minLts(); 304 } 305 std::cerr << ". Hard-coded requirements are removed." << std::endl; 306 matrix->framework.mKernels.clear(); 307 } 308 for (const auto& pair : mKernels) { 309 std::vector<ConditionedConfig> conditionedConfigs; 310 if (!parseFilesForKernelConfigs(pair.second, &conditionedConfigs)) { 311 return false; 312 } 313 for (ConditionedConfig& conditionedConfig : conditionedConfigs) { 314 MatrixKernel kernel(KernelVersion{pair.first.majorVer, pair.first.minorVer, 0u}, 315 std::move(conditionedConfig.second)); 316 if (conditionedConfig.first != nullptr) 317 kernel.mConditions.push_back(std::move(*conditionedConfig.first)); 318 matrix->framework.mKernels.push_back(std::move(kernel)); 319 } 320 } 321 return true; 322 } 323 324 bool setDeviceFcmVersion(HalManifest* manifest) { 325 size_t shippingApiLevel = getIntegerFlag("PRODUCT_SHIPPING_API_LEVEL"); 326 327 if (manifest->level() != Level::UNSPECIFIED) { 328 return true; 329 } 330 if (!getBooleanFlag("PRODUCT_ENFORCE_VINTF_MANIFEST")) { 331 manifest->mLevel = Level::LEGACY; 332 return true; 333 } 334 // TODO(b/70628538): Do not infer from Shipping API level. 335 if (shippingApiLevel) { 336 std::cerr << "Warning: Shipping FCM Version is inferred from Shipping API level. " 337 << "Declare Shipping FCM Version in device manifest directly." << std::endl; 338 manifest->mLevel = convertFromApiLevel(shippingApiLevel); 339 if (manifest->mLevel == Level::UNSPECIFIED) { 340 std::cerr << "Error: Shipping FCM Version cannot be inferred from Shipping API " 341 << "level " << shippingApiLevel << "." 342 << "Declare Shipping FCM Version in device manifest directly." 343 << std::endl; 344 return false; 345 } 346 return true; 347 } 348 // TODO(b/69638851): should be an error if Shipping API level is not defined. 349 // For now, just leave it empty; when framework compatibility matrix is built, 350 // lowest FCM Version is assumed. 351 std::cerr << "Warning: Shipping FCM Version cannot be inferred, because:" << std::endl 352 << " (1) It is not explicitly declared in device manifest;" << std::endl 353 << " (2) PRODUCT_ENFORCE_VINTF_MANIFEST is set to true;" << std::endl 354 << " (3) PRODUCT_SHIPPING_API_LEVEL is undefined." << std::endl 355 << "Assuming 'unspecified' Shipping FCM Version. " << std::endl 356 << "To remove this warning, define 'level' attribute in device manifest." 357 << std::endl; 358 return true; 359 } 360 361 Level getLowestFcmVersion(const CompatibilityMatrices& matrices) { 362 Level ret = Level::UNSPECIFIED; 363 for (const auto& e : matrices) { 364 if (ret == Level::UNSPECIFIED || ret > e.second.level()) { 365 ret = e.second.level(); 366 } 367 } 368 return ret; 369 } 370 371 bool assembleCompatibilityMatrix(CompatibilityMatrices* matrices) { 372 std::string error; 373 CompatibilityMatrix* matrix = nullptr; 374 KernelSepolicyVersion kernelSepolicyVers; 375 Version sepolicyVers; 376 std::unique_ptr<HalManifest> checkManifest; 377 if (matrices->front().second.mType == SchemaType::DEVICE) { 378 matrix = &matrices->front().second; 379 } 380 381 if (matrices->front().second.mType == SchemaType::FRAMEWORK) { 382 Level deviceLevel = Level::UNSPECIFIED; 383 std::vector<std::string> fileList; 384 if (mCheckFile.is_open()) { 385 checkManifest = std::make_unique<HalManifest>(); 386 if (!gHalManifestConverter(checkManifest.get(), read(mCheckFile))) { 387 std::cerr << "Cannot parse check file as a HAL manifest: " 388 << gHalManifestConverter.lastError() << std::endl; 389 return false; 390 } 391 deviceLevel = checkManifest->level(); 392 } 393 394 if (deviceLevel == Level::UNSPECIFIED) { 395 // For GSI build, legacy devices that do not have a HAL manifest, 396 // and devices in development, merge all compatibility matrices. 397 deviceLevel = getLowestFcmVersion(*matrices); 398 } 399 400 for (auto& e : *matrices) { 401 if (e.second.level() == deviceLevel) { 402 fileList.push_back(e.first); 403 matrix = &e.second; 404 } 405 } 406 if (matrix == nullptr) { 407 std::cerr << "FATAL ERROR: cannot find matrix with level '" << deviceLevel << "'" 408 << std::endl; 409 return false; 410 } 411 for (auto& e : *matrices) { 412 if (e.second.level() <= deviceLevel) { 413 continue; 414 } 415 fileList.push_back(e.first); 416 if (!matrix->addAllHalsAsOptional(&e.second, &error)) { 417 std::cerr << "File \"" << e.first << "\" cannot be added: " << error 418 << ". See <hal> with the same name " 419 << "in previously parsed files or previously declared in this file." 420 << std::endl; 421 return false; 422 } 423 } 424 425 if (!getFlag("BOARD_SEPOLICY_VERS", &sepolicyVers)) { 426 return false; 427 } 428 if (!getFlag("POLICYVERS", &kernelSepolicyVers)) { 429 return false; 430 } 431 432 if (!assembleFrameworkCompatibilityMatrixKernels(matrix)) { 433 return false; 434 } 435 436 matrix->framework.mSepolicy = 437 Sepolicy(kernelSepolicyVers, {{sepolicyVers.majorVer, sepolicyVers.minorVer}}); 438 439 Version avbMetaVersion; 440 if (!getFlag("FRAMEWORK_VBMETA_VERSION", &avbMetaVersion)) { 441 return false; 442 } 443 matrix->framework.mAvbMetaVersion = avbMetaVersion; 444 445 out() << "<!--" << std::endl; 446 out() << " Input:" << std::endl; 447 for (const auto& path : fileList) { 448 out() << " " << getFileNameFromPath(path) << std::endl; 449 } 450 out() << "-->" << std::endl; 451 } 452 out() << gCompatibilityMatrixConverter(*matrix, mSerializeFlags); 453 out().flush(); 454 455 if (checkManifest != nullptr && getBooleanFlag("PRODUCT_ENFORCE_VINTF_MANIFEST") && 456 !checkManifest->checkCompatibility(*matrix, &error)) { 457 std::cerr << "Not compatible: " << error << std::endl; 458 return false; 459 } 460 461 return true; 462 } 463 464 enum AssembleStatus { SUCCESS, FAIL_AND_EXIT, TRY_NEXT }; 465 template <typename Schema, typename AssembleFunc> 466 AssembleStatus tryAssemble(const XmlConverter<Schema>& converter, const std::string& schemaName, 467 AssembleFunc assemble) { 468 Schemas<Schema> schemas; 469 Schema schema; 470 if (!converter(&schema, read(mInFiles.front()))) { 471 return TRY_NEXT; 472 } 473 auto firstType = schema.type(); 474 schemas.emplace_back(mInFilePaths.front(), std::move(schema)); 475 476 for (auto it = mInFiles.begin() + 1; it != mInFiles.end(); ++it) { 477 Schema additionalSchema; 478 const std::string fileName = mInFilePaths[std::distance(mInFiles.begin(), it)]; 479 if (!converter(&additionalSchema, read(*it))) { 480 std::cerr << "File \"" << fileName << "\" is not a valid " << firstType << " " 481 << schemaName << " (but the first file is a valid " << firstType << " " 482 << schemaName << "). Error: " << converter.lastError() << std::endl; 483 return FAIL_AND_EXIT; 484 } 485 if (additionalSchema.type() != firstType) { 486 std::cerr << "File \"" << fileName << "\" is a " << additionalSchema.type() << " " 487 << schemaName << " (but a " << firstType << " " << schemaName 488 << " is expected)." << std::endl; 489 return FAIL_AND_EXIT; 490 } 491 492 schemas.emplace_back(fileName, std::move(additionalSchema)); 493 } 494 return assemble(&schemas) ? SUCCESS : FAIL_AND_EXIT; 495 } 496 497 bool assemble() { 498 using std::placeholders::_1; 499 if (mInFiles.empty()) { 500 std::cerr << "Missing input file." << std::endl; 501 return false; 502 } 503 504 auto status = tryAssemble(gHalManifestConverter, "manifest", 505 std::bind(&AssembleVintf::assembleHalManifest, this, _1)); 506 if (status == SUCCESS) return true; 507 if (status == FAIL_AND_EXIT) return false; 508 509 resetInFiles(); 510 511 status = tryAssemble(gCompatibilityMatrixConverter, "compatibility matrix", 512 std::bind(&AssembleVintf::assembleCompatibilityMatrix, this, _1)); 513 if (status == SUCCESS) return true; 514 if (status == FAIL_AND_EXIT) return false; 515 516 std::cerr << "Input file has unknown format." << std::endl 517 << "Error when attempting to convert to manifest: " 518 << gHalManifestConverter.lastError() << std::endl 519 << "Error when attempting to convert to compatibility matrix: " 520 << gCompatibilityMatrixConverter.lastError() << std::endl; 521 return false; 522 } 523 524 bool openOutFile(const char* path) { 525 mOutFileRef = std::make_unique<std::ofstream>(); 526 mOutFileRef->open(path); 527 return mOutFileRef->is_open(); 528 } 529 530 bool openInFile(const char* path) { 531 mInFilePaths.push_back(path); 532 mInFiles.push_back({}); 533 mInFiles.back().open(path); 534 return mInFiles.back().is_open(); 535 } 536 537 bool openCheckFile(const char* path) { 538 mCheckFile.open(path); 539 return mCheckFile.is_open(); 540 } 541 542 void resetInFiles() { 543 for (auto& inFile : mInFiles) { 544 inFile.clear(); 545 inFile.seekg(0); 546 } 547 } 548 549 void setOutputMatrix() { mOutputMatrix = true; } 550 551 bool setHalsOnly() { 552 if (mSerializeFlags) return false; 553 mSerializeFlags |= SerializeFlag::HALS_ONLY; 554 return true; 555 } 556 557 bool setNoHals() { 558 if (mSerializeFlags) return false; 559 mSerializeFlags |= SerializeFlag::NO_HALS; 560 return true; 561 } 562 563 bool addKernel(const std::string& kernelArg) { 564 auto ind = kernelArg.find(':'); 565 if (ind == std::string::npos) { 566 std::cerr << "Unrecognized --kernel option '" << kernelArg << "'" << std::endl; 567 return false; 568 } 569 std::string kernelVerStr{kernelArg.begin(), kernelArg.begin() + ind}; 570 std::string kernelConfigPath{kernelArg.begin() + ind + 1, kernelArg.end()}; 571 Version kernelVer; 572 if (!parse(kernelVerStr, &kernelVer)) { 573 std::cerr << "Unrecognized kernel version '" << kernelVerStr << "'" << std::endl; 574 return false; 575 } 576 if (mKernels.find(kernelVer) != mKernels.end()) { 577 std::cerr << "Multiple --kernel for " << kernelVer << " is specified." << std::endl; 578 return false; 579 } 580 mKernels[kernelVer] = kernelConfigPath; 581 return true; 582 } 583 584 private: 585 std::vector<std::string> mInFilePaths; 586 std::vector<std::ifstream> mInFiles; 587 std::unique_ptr<std::ofstream> mOutFileRef; 588 std::ifstream mCheckFile; 589 bool mOutputMatrix = false; 590 SerializeFlags mSerializeFlags = SerializeFlag::EVERYTHING; 591 std::map<Version, std::string> mKernels; 592}; 593 594} // namespace vintf 595} // namespace android 596 597void help() { 598 std::cerr << "assemble_vintf: Checks if a given manifest / matrix file is valid and \n" 599 " fill in build-time flags into the given file.\n" 600 "assemble_vintf -h\n" 601 " Display this help text.\n" 602 "assemble_vintf -i <input file>[:<input file>[...]] [-o <output file>] [-m]\n" 603 " [-c [<check file>]]\n" 604 " Fill in build-time flags into the given file.\n" 605 " -i <input file>[:<input file>[...]]\n" 606 " A list of input files. Format is automatically detected for the\n" 607 " first file, and the remaining files must have the same format.\n" 608 " Files other than the first file should only have <hal> defined;\n" 609 " other entries are ignored.\n" 610 " -o <output file>\n" 611 " Optional output file. If not specified, write to stdout.\n" 612 " -m\n" 613 " a compatible compatibility matrix is\n" 614 " generated instead; for example, given a device manifest,\n" 615 " a framework compatibility matrix is generated. This flag\n" 616 " is ignored when input is a compatibility matrix.\n" 617 " -c [<check file>]\n" 618 " After writing the output file, check compatibility between\n" 619 " output file and check file.\n" 620 " If -c is set but the check file is not specified, a warning\n" 621 " message is written to stderr. Return 0.\n" 622 " If the check file is specified but is not compatible, an error\n" 623 " message is written to stderr. Return 1.\n" 624 " --kernel=<version>:<android-base.cfg>[:<android-base-arch.cfg>[...]]\n" 625 " Add a kernel entry to framework compatibility matrix.\n" 626 " Ignored for other input format.\n" 627 " <version> has format: 3.18\n" 628 " <android-base.cfg> is the location of android-base.cfg\n" 629 " <android-base-arch.cfg> is the location of an optional\n" 630 " arch-specific config fragment, more than one may be specified\n" 631 " -l, --hals-only\n" 632 " Output has only <hal> entries. Cannot be used with -n.\n" 633 " -n, --no-hals\n" 634 " Output has no <hal> entries (but all other entries).\n" 635 " Cannot be used with -l.\n"; 636} 637 638int main(int argc, char **argv) { 639 const struct option longopts[] = {{"kernel", required_argument, NULL, 'k'}, 640 {"hals-only", no_argument, NULL, 'l'}, 641 {"no-hals", no_argument, NULL, 'n'}, 642 {0, 0, 0, 0}}; 643 644 std::string outFilePath; 645 ::android::vintf::AssembleVintf assembleVintf; 646 int res; 647 int optind; 648 while ((res = getopt_long(argc, argv, "hi:o:mc:nl", longopts, &optind)) >= 0) { 649 switch (res) { 650 case 'i': { 651 char* inFilePath = strtok(optarg, ":"); 652 while (inFilePath != NULL) { 653 if (!assembleVintf.openInFile(inFilePath)) { 654 std::cerr << "Failed to open " << optarg << std::endl; 655 return 1; 656 } 657 inFilePath = strtok(NULL, ":"); 658 } 659 } break; 660 661 case 'o': { 662 outFilePath = optarg; 663 if (!assembleVintf.openOutFile(optarg)) { 664 std::cerr << "Failed to open " << optarg << std::endl; 665 return 1; 666 } 667 } break; 668 669 case 'm': { 670 assembleVintf.setOutputMatrix(); 671 } break; 672 673 case 'c': { 674 if (strlen(optarg) != 0) { 675 if (!assembleVintf.openCheckFile(optarg)) { 676 std::cerr << "Failed to open " << optarg << std::endl; 677 return 1; 678 } 679 } else { 680 std::cerr << "WARNING: no compatibility check is done on " 681 << (outFilePath.empty() ? "output" : outFilePath) << std::endl; 682 } 683 } break; 684 685 case 'k': { 686 if (!assembleVintf.addKernel(optarg)) { 687 std::cerr << "ERROR: Unrecognized --kernel argument." << std::endl; 688 return 1; 689 } 690 } break; 691 692 case 'l': { 693 if (!assembleVintf.setHalsOnly()) { 694 return 1; 695 } 696 } break; 697 698 case 'n': { 699 if (!assembleVintf.setNoHals()) { 700 return 1; 701 } 702 } break; 703 704 case 'h': 705 default: { 706 help(); 707 return 1; 708 } break; 709 } 710 } 711 712 bool success = assembleVintf.assemble(); 713 714 return success ? 0 : 1; 715} 716