C++ BPackageRoster::GetRepositoryCache方法代码示例

status_t
BPackageManager::_GetRepositoryCache(BPackageRoster& roster,
	const BRepositoryConfig& config, bool refresh, BRepositoryCache& _cache)
{
	if (!refresh && roster.GetRepositoryCache(config.Name(), &_cache) == B_OK)
		return B_OK;

	status_t error = RefreshRepository(config);
	if (error != B_OK) {
		fUserInteractionHandler->Warn(error,
			"refreshing repository \"%s\" failed", config.Name().String());
	}

	return roster.GetRepositoryCache(config.Name(), &_cache);
}

status_t
BSolverRepository::SetTo(const BRepositoryConfig& config)
{
	Unset();

	if (config.InitCheck() != B_OK)
		return B_BAD_VALUE;

	fName = config.Name();
	fPriority = config.Priority();

	BPackageRoster roster;
	BRepositoryCache cache;
	status_t error = roster.GetRepositoryCache(config.Name(), &cache);
	if (error != B_OK) {
		Unset();
		return error;
	}

	BRepositoryCache::Iterator it = cache.GetIterator();
	while (const BPackageInfo* packageInfo = it.Next()) {
		error = AddPackage(*packageInfo);
		if (error != B_OK) {
			Unset();
			return error;
		}
	}

	return B_OK;
}

status_t
RemoveRepositoryJob::Execute()
{
	BPackageRoster roster;
	BRepositoryConfig repoConfig;
	status_t result = roster.GetRepositoryConfig(fRepositoryName, &repoConfig);
	if (result != B_OK) {
		if (result == B_ENTRY_NOT_FOUND) {
			BString error = BString("repository '") << fRepositoryName
				<< "' not found!";
			SetErrorString(error);
		}
		return result;
	}

	BString question = BString("Really remove the repository '")
		<< fRepositoryName << "'?";
	bool yes = fContext.DecisionProvider().YesNoDecisionNeeded("", question,
		"yes", "no", "no");
	if (!yes)
		return B_CANCELED;

	BEntry repoConfigEntry = repoConfig.Entry();
	if ((result = repoConfigEntry.Remove()) != B_OK)
		return result;

	BRepositoryCache repoCache;
	if (roster.GetRepositoryCache(fRepositoryName, &repoCache) == B_OK) {
		BEntry repoCacheEntry = repoCache.Entry();
		if ((result = repoCacheEntry.Remove()) != B_OK)
			return result;
	}

	return B_OK;
}

status_t
BRefreshRepositoryRequest::CreateInitialJobs()
{
	status_t result = InitCheck();
	if (result != B_OK)
		return B_NO_INIT;

	if ((result = fRepoConfig.InitCheck()) != B_OK)
		return result;

	// fetch the current checksum and compare with our cache's checksum,
	// if they differ, fetch the updated cache
	result = fContext.GetNewTempfile("repochecksum-", &fFetchedChecksumFile);
	if (result != B_OK)
		return result;
	BString repoChecksumURL
		= BString(fRepoConfig.BaseURL()) << "/" << "repo.sha256";
	FetchFileJob* fetchChecksumJob = new (std::nothrow) FetchFileJob(
		fContext,
		BString("Fetching repository checksum from ") << fRepoConfig.BaseURL(),
		repoChecksumURL, fFetchedChecksumFile);
	if (fetchChecksumJob == NULL)
		return B_NO_MEMORY;
	if ((result = QueueJob(fetchChecksumJob)) != B_OK) {
		delete fetchChecksumJob;
		return result;
	}

	BRepositoryCache repoCache;
	BPackageRoster roster;
	roster.GetRepositoryCache(fRepoConfig.Name(), &repoCache);

	ValidateChecksumJob* validateChecksumJob
		= new (std::nothrow) ValidateChecksumJob(fContext,
			BString("Validating checksum for ") << fRepoConfig.Name(),
			new (std::nothrow) ChecksumFileChecksumAccessor(
				fFetchedChecksumFile),
			new (std::nothrow) GeneralFileChecksumAccessor(repoCache.Entry(),
				true),
			false);
	if (validateChecksumJob == NULL)
		return B_NO_MEMORY;
	validateChecksumJob->AddDependency(fetchChecksumJob);
	if ((result = QueueJob(validateChecksumJob)) != B_OK) {
		delete validateChecksumJob;
		return result;
	}
	fValidateChecksumJob = validateChecksumJob;

	return B_OK;
}

int repo_add_haiku_packages(Repo *repo, const char *repoName, int flags)
{
  BPackageRoster roster;
  BRepositoryCache cache;
  if (roster.GetRepositoryCache(repoName, &cache) != B_OK)
    return 0;

  Repodata *repoData = repo_add_repodata(repo, flags);

  BRepositoryCache::Iterator it = cache.GetIterator();
  while (const BPackageInfo *packageInfo = it.Next())
    add_package_info_to_repo(repo, repoData, *packageInfo);

  if (!(flags & REPO_NO_INTERNALIZE))
    repodata_internalize(repoData);

  return 0;
}

int
ListReposCommand::Execute(int argc, const char* const* argv)
{
	bool verbose = false;

	while (true) {
		static struct option sLongOptions[] = {
			{ "help", no_argument, 0, 'h' },
			{ "verbose", no_argument, 0, 'v' },
			{ 0, 0, 0, 0 }
		};

		opterr = 0; // don't print errors
		int c = getopt_long(argc, (char**)argv, "hv", sLongOptions, NULL);
		if (c == -1)
			break;

		switch (c) {
			case 'h':
				PrintUsageAndExit(false);
				break;

			case 'v':
				verbose = true;
				break;

			default:
				PrintUsageAndExit(true);
				break;
		}
	}

	// No remaining arguments.
	if (argc != optind)
		PrintUsageAndExit(true);

	BStringList repositoryNames(20);
	BPackageRoster roster;
	status_t result = roster.GetRepositoryNames(repositoryNames);
	if (result != B_OK)
		DIE(result, "can't collect repository names");

	for (int i = 0; i < repositoryNames.CountStrings(); ++i) {
		const BString& repoName = repositoryNames.StringAt(i);
		BRepositoryConfig repoConfig;
		result = roster.GetRepositoryConfig(repoName, &repoConfig);
		if (result != B_OK) {
			BPath path;
			repoConfig.Entry().GetPath(&path);
			WARN(result, "skipping repository-config '%s'", path.Path());
			continue;
		}
		if (verbose && i > 0)
			printf("\n");
		printf(" %s %s\n",
			repoConfig.IsUserSpecific() ? "[User]" : "      ",
			repoConfig.Name().String());
		printf("\t\tbase-url:  %s\n", repoConfig.BaseURL().String());
		printf("\t\tpriority:  %u\n", repoConfig.Priority());

		if (verbose) {
			BRepositoryCache repoCache;
			result = roster.GetRepositoryCache(repoName, &repoCache);
			if (result == B_OK) {
				printf("\t\tvendor:    %s\n",
					repoCache.Info().Vendor().String());
				printf("\t\tsummary:   %s\n",
					repoCache.Info().Summary().String());
				printf("\t\tarch:      %s\n", BPackageInfo::kArchitectureNames[
						repoCache.Info().Architecture()]);
				printf("\t\tpkg-count: %" B_PRIu32 "\n",
					repoCache.CountPackages());
				printf("\t\torig-url:  %s\n",
					repoCache.Info().OriginalBaseURL().String());
				printf("\t\torig-prio: %u\n", repoCache.Info().Priority());
			} else
				printf("\t\t<no repository cache found>\n");
		}
	}

	return 0;
}