(options *Options)
| 108 | } |
| 109 | |
| 110 | func newBinHandler(options *Options) (*binHandler, error) { |
| 111 | cacheDir := options.CacheDir |
| 112 | compressedCacheDir := "" |
| 113 | if cacheDir != "" { |
| 114 | // split the cache dir into ./compressed and ./orig containing the compressed files and the original |
| 115 | // uncompressed files respectively. |
| 116 | compressedCacheDir = filepath.Join(cacheDir, "compressed") |
| 117 | err := os.MkdirAll(compressedCacheDir, 0o700) |
| 118 | if err != nil { |
| 119 | // cached dir was provided, but we can't write to it |
| 120 | return nil, xerrors.Errorf("failed to create compressed directory in cache dir: %w", err) |
| 121 | } |
| 122 | cacheDir = filepath.Join(cacheDir, "orig") |
| 123 | err = os.MkdirAll(cacheDir, 0o700) |
| 124 | if err != nil { |
| 125 | return nil, xerrors.Errorf("failed to create orig directory in cache dir: %w", err) |
| 126 | } |
| 127 | } |
| 128 | // note that ExtractOrReadBinFS handles an empty cacheDir; this often arises in testing. |
| 129 | binFS, binHashes, err := ExtractOrReadBinFS(cacheDir, options.SiteFS) |
| 130 | if err != nil { |
| 131 | return nil, xerrors.Errorf("extract or read bin filesystem: %w", err) |
| 132 | } |
| 133 | h := &binHandler{ |
| 134 | metadataCache: newBinMetadataCache(binFS, binHashes), |
| 135 | } |
| 136 | if compressedCacheDir != "" { |
| 137 | cmp := cachecompress.NewCompressor(options.Logger, CompressionLevel, compressedCacheDir, binFS) |
| 138 | for encoding, fn := range StandardEncoders { |
| 139 | cmp.SetEncoder(encoding, fn) |
| 140 | } |
| 141 | h.handler = cmp |
| 142 | } else { |
| 143 | h.handler = http.FileServer(binFS) |
| 144 | } |
| 145 | return h, nil |
| 146 | } |
| 147 | |
| 148 | // ExtractOrReadBinFS checks the provided fs for compressed coder binaries and |
| 149 | // extracts them into dest/bin if found. As a fallback, the provided FS is |
no test coverage detected