| Directory: | cvmfs/ |
|---|---|
| File: | cvmfs/catalog_mgr_ro.cc |
| Date: | 2024-04-28 02:33:07 |
| Exec | Total | Coverage | |
|---|---|---|---|
| Lines: | 28 | 29 | 96.6% |
| Branches: | 17 | 32 | 53.1% |
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /** | ||
| 2 | * This file is part of the CernVM file system. | ||
| 3 | */ | ||
| 4 | |||
| 5 | #include "cvmfs_config.h" | ||
| 6 | #include "catalog_mgr_ro.h" | ||
| 7 | |||
| 8 | #include "compression.h" | ||
| 9 | #include "network/download.h" | ||
| 10 | #include "util/exception.h" | ||
| 11 | #include "util/posix.h" | ||
| 12 | |||
| 13 | using namespace std; // NOLINT | ||
| 14 | |||
| 15 | namespace catalog { | ||
| 16 | |||
| 17 | // TODO(herethebedragons) correct return value and root_ctlg_location? | ||
| 18 | 31 | LoadReturn SimpleCatalogManager::GetNewRootCatalogContext( | |
| 19 | CatalogContext *result) { | ||
| 20 |
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31 | if (result->hash().IsNull()) { |
| 21 | 31 | result->SetHash(base_hash_); | |
| 22 | } | ||
| 23 | 31 | result->SetRootCtlgLocation(kCtlgLocationServer); | |
| 24 |
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31 | result->SetMountpoint(PathString("", 0)); |
| 25 | |||
| 26 | 31 | return kLoadNew; | |
| 27 | } | ||
| 28 | |||
| 29 | |||
| 30 | /** | ||
| 31 | * Loads a catalog via HTTP from Statum 0 into a temporary file. | ||
| 32 | * See CatalogContext class description for correct usage | ||
| 33 | * | ||
| 34 | * @return kLoadNew on success | ||
| 35 | */ | ||
| 36 | 50 | LoadReturn SimpleCatalogManager::LoadCatalogByHash( | |
| 37 | CatalogContext *ctlg_context) { | ||
| 38 | 50 | const shash::Any effective_hash = ctlg_context->hash(); | |
| 39 |
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50 | assert(shash::kSuffixCatalog == effective_hash.suffix); |
| 40 |
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100 | const string url = stratum0_ + "/data/" + effective_hash.MakePath(); |
| 41 | |||
| 42 | 50 | std::string tmp; | |
| 43 | |||
| 44 |
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50 | FILE *fcatalog = CreateTempFile(dir_temp_ + "/catalog", 0666, "w", &tmp); |
| 45 |
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50 | ctlg_context->SetSqlitePath(tmp); |
| 46 |
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50 | if (!fcatalog) { |
| 47 | ✗ | PANIC(kLogStderr, "failed to create temp file when loading %s", | |
| 48 | url.c_str()); | ||
| 49 | } | ||
| 50 | |||
| 51 | 50 | cvmfs::FileSink filesink(fcatalog); | |
| 52 | download::JobInfo download_catalog(&url, true, false, | ||
| 53 |
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50 | &effective_hash, &filesink); |
| 54 |
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50 | const download::Failures retval = download_manager_->Fetch(&download_catalog); |
| 55 |
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50 | fclose(fcatalog); |
| 56 | |||
| 57 |
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50 | if (retval != download::kFailOk) { |
| 58 | 1 | unlink(ctlg_context->GetSqlitePathPtr()->c_str()); | |
| 59 | 1 | PANIC(kLogStderr, "failed to load %s from Stratum 0 (%d - %s)", | |
| 60 | url.c_str(), retval, download::Code2Ascii(retval)); | ||
| 61 | } | ||
| 62 | |||
| 63 | 49 | return kLoadNew; | |
| 64 | 53 | } | |
| 65 | |||
| 66 | |||
| 67 | 5 | Catalog* SimpleCatalogManager::CreateCatalog(const PathString &mountpoint, | |
| 68 | const shash::Any &catalog_hash, | ||
| 69 | Catalog *parent_catalog) | ||
| 70 | { | ||
| 71 |
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5 | Catalog *new_catalog = new Catalog(mountpoint, catalog_hash, parent_catalog); |
| 72 |
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5 | if (manage_catalog_files_) { |
| 73 | 5 | new_catalog->TakeDatabaseFileOwnership(); | |
| 74 | } | ||
| 75 | |||
| 76 | 5 | return new_catalog; | |
| 77 | } | ||
| 78 | |||
| 79 | } // namespace catalog | ||
| 80 |