119 lines
2.7 KiB
JavaScript
119 lines
2.7 KiB
JavaScript
var O_READ = 'READ';
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var O_WRITE = 'WRITE';
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var O_CREATE = 'CREATE';
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var O_EXCLUSIVE = 'EXCLUSIVE';
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var O_TRUNCATE = 'TRUNCATE';
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var O_APPEND = 'APPEND';
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var XATTR_CREATE = 'CREATE';
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var XATTR_REPLACE = 'REPLACE';
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module.exports = {
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FILE_SYSTEM_NAME: 'local',
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FILE_STORE_NAME: 'files',
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IDB_RO: 'readonly',
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IDB_RW: 'readwrite',
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WSQL_VERSION: "1",
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WSQL_SIZE: 5 * 1024 * 1024,
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WSQL_DESC: "FileSystem Storage",
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NODE_TYPE_FILE: 'FILE',
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NODE_TYPE_DIRECTORY: 'DIRECTORY',
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NODE_TYPE_SYMBOLIC_LINK: 'SYMLINK',
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NODE_TYPE_META: 'META',
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SYMLOOP_MAX: 10,
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BINARY_MIME_TYPE: 'application/octet-stream',
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JSON_MIME_TYPE: 'application/json',
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ROOT_DIRECTORY_NAME: '/', // basename(normalize(path))
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// FS Mount Flags
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FS_FORMAT: 'FORMAT',
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FS_NOCTIME: 'NOCTIME',
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FS_NOMTIME: 'NOMTIME',
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FS_NODUPEIDCHECK: 'FS_NODUPEIDCHECK',
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// FS File Open Flags
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O_READ: O_READ,
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O_WRITE: O_WRITE,
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O_CREATE: O_CREATE,
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O_EXCLUSIVE: O_EXCLUSIVE,
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O_TRUNCATE: O_TRUNCATE,
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O_APPEND: O_APPEND,
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O_FLAGS: {
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'r': [O_READ],
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'r+': [O_READ, O_WRITE],
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'w': [O_WRITE, O_CREATE, O_TRUNCATE],
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'w+': [O_WRITE, O_READ, O_CREATE, O_TRUNCATE],
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'wx': [O_WRITE, O_CREATE, O_EXCLUSIVE, O_TRUNCATE],
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'wx+': [O_WRITE, O_READ, O_CREATE, O_EXCLUSIVE, O_TRUNCATE],
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'a': [O_WRITE, O_CREATE, O_APPEND],
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'a+': [O_WRITE, O_READ, O_CREATE, O_APPEND],
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'ax': [O_WRITE, O_CREATE, O_EXCLUSIVE, O_APPEND],
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'ax+': [O_WRITE, O_READ, O_CREATE, O_EXCLUSIVE, O_APPEND]
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},
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XATTR_CREATE: XATTR_CREATE,
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XATTR_REPLACE: XATTR_REPLACE,
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FS_READY: 'READY',
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FS_PENDING: 'PENDING',
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FS_ERROR: 'ERROR',
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SUPER_NODE_ID: '00000000-0000-0000-0000-000000000000',
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// Reserved File Descriptors for streams
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STDIN: 0,
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STDOUT: 1,
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STDERR: 2,
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FIRST_DESCRIPTOR: 3,
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ENVIRONMENT: {
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TMP: '/tmp',
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PATH: ''
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},
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/**
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* Plan 9 related
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* - https://github.com/chaos/diod/blob/master/libnpfs/9p.h
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* - https://en.wikibooks.org/wiki/C_Programming/POSIX_Reference/sys/stat.h
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*/
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P9: {
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/**
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* QID types
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*
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* @P9_QTDIR: directory
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* @P9_QTAPPEND: append-only
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* @P9_QTEXCL: excluse use (only one open handle allowed)
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* @P9_QTMOUNT: mount points
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* @P9_QTAUTH: authentication file
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* @P9_QTTMP: non-backed-up files
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* @P9_QTSYMLINK: symbolic links (9P2000.u)
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* @P9_QTLINK: hard-link (9P2000.u)
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* @P9_QTFILE: normal files
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*/
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QTDIR: 0x80,
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QTAPPEND: 0x40,
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QTEXCL: 0x20,
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QTMOUNT: 0x10,
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QTAUTH: 0x08,
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QTTMP: 0x04,
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QTSYMLINK: 0x02,
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QTLINK: 0x01,
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QTFILE: 0x00,
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/**
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* POSIX System Values
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*/
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S_IFMT: 0xF000, // mask for file type
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S_IFLNK: 0xA000, // symbolic link
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S_IFDIR: 0x4000, // directory
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S_IFREG: 0x8000 // regular file
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}
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};
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