Metadata stored in file chunks for better performance, max file size control

.gitignore

@@ -13,3 +13,6 @@ wasi2ic
 lcov.info
 
 tarpaulin-report.html
+
+tests/svg/*
+.codegpt

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "stable-fs"
-version = "0.6.5"
+version = "0.7.0"
 edition = "2021"
 description = "A Simple File system implementing WASI endpoints and using the stable structures of the Internet Computer"
 keywords = ["ic", "internet-computer", "file-system"]
@@ -13,8 +13,8 @@ ic-cdk = "0.17.1"
 
 ic-stable-structures = "0.6.7"
 
-serde = "1.0.216"
-serde_bytes = "0.11"
+serde = "1.0.217"
+serde_bytes = "0.11.15"
 ciborium = "0.2.2"
 
 [dev-dependencies]

src/error.rs

@@ -1,22 +1,314 @@
 #[derive(Debug, PartialEq, Eq)]
 pub enum Error {
-    NotFound,
-    InvalidOffset,
-    InvalidFileType,
-    InvalidFileName,
-    InvalidFileDescriptor,
-    InvalidBufferLength,
-    InvalidOpenFlags,
-    InvalidFdFlags,
-    FileAlreadyExists,
-    MemoryFileIsNotMounted,
-    MemoryFileIsMountedAlready,
-    NameTooLong,
-    DirectoryNotEmpty,
-    ExpectedToRemoveFile,
-    ExpectedToRemoveDirectory,
-    CannotRemoveOpenedNode,
-    CannotRemoveMountedMemoryFile,
-    IncompatibleChunkSize,
-    InvalidMagicMarker,
+    // Argument list too long: Too many or too large arguments provided to a program.
+    // WASI: ERRNO_2BIG
+    ArgumentListTooLong = 1,
+
+    // Permission denied: Insufficient privileges to perform the operation.
+    // WASI: ERRNO_ACCES
+    PermissionDenied = 2,
+
+    // Address in use: Network address or port already in use.
+    // WASI: ERRNO_ADDRINUSE
+    AddressInUse = 3,
+
+    // Address not available: The requested address is not available on this system.
+    // WASI: ERRNO_ADDRNOTAVAIL
+    AddressNotAvailable = 4,
+
+    // Address family not supported: Unsupported address family (e.g., IPv6 on an IPv4-only system).
+    // WASI: ERRNO_AFNOSUPPORT
+    AddressFamilyNotSupported = 5,
+
+    // Resource unavailable or operation would block: Non-blocking operation cannot proceed at this time.
+    // WASI: ERRNO_AGAIN
+    ResourceUnavailableOrOperationWouldBlock = 6,
+
+    // Connection already in progress: An operation is already attempting to establish a connection.
+    // WASI: ERRNO_ALREADY
+    ConnectionAlreadyInProgress = 7,
+
+    // Bad file descriptor: File descriptor is invalid or closed.
+    // WASI: ERRNO_BADF
+    BadFileDescriptor = 8,
+
+    // Bad message: The message is malformed or corrupted.
+    // WASI: ERRNO_BADMSG
+    BadMessage = 9,
+
+    // Device or resource busy: The resource is currently in use and cannot be accessed.
+    // WASI: ERRNO_BUSY
+    DeviceOrResourceBusy = 10,
+
+    // Operation canceled: The operation was canceled before completion.
+    // WASI: ERRNO_CANCELED
+    OperationCanceled = 11,
+
+    // No child processes: No child processes to wait for in a wait operation.
+    // WASI: ERRNO_CHILD
+    NoChildProcesses = 12,
+
+    // Connection aborted: The connection was aborted by the host or peer.
+    // WASI: ERRNO_CONNABORTED
+    ConnectionAborted = 13,
+
+    // Connection refused: The connection attempt was rejected by the remote host.
+    // WASI: ERRNO_CONNREFUSED
+    ConnectionRefused = 14,
+
+    // Connection reset: The connection was forcibly closed by the peer.
+    // WASI: ERRNO_CONNRESET
+    ConnectionReset = 15,
+
+    // Resource deadlock would occur: A deadlock was detected and the operation was aborted.
+    // WASI: ERRNO_DEADLK
+    ResourceDeadlockWouldOccur = 16,
+
+    // Destination address required: No destination address was provided for a network operation.
+    // WASI: ERRNO_DESTADDRREQ
+    DestinationAddressRequired = 17,
+
+    // Mathematics argument out of domain of function: Invalid input for a mathematical operation.
+    // WASI: ERRNO_DOM
+    MathematicsArgumentOutOfDomainOfFunction = 18,
+
+    // Reserved error code (not used).
+    // WASI: ERRNO_DQUOT
+    Reserved19 = 19,
+
+    // File exists: The file or directory already exists.
+    // WASI: ERRNO_EXIST
+    FileExists = 20,
+
+    // Bad address: A memory address is invalid or inaccessible.
+    // WASI: ERRNO_FAULT
+    BadAddress = 21,
+
+    // File too large: File size exceeds the system or application limits.
+    // WASI: ERRNO_FBIG
+    FileTooLarge = 22,
+
+    // Host is unreachable: The remote host cannot be reached.
+    // WASI: ERRNO_HOSTUNREACH
+    HostIsUnreachable = 23,
+
+    // Identifier removed: The requested identifier has been removed.
+    // WASI: ERRNO_IDRM
+    IdentifierRemoved = 24,
+
+    // Illegal byte sequence: An invalid or incomplete byte sequence was encountered.
+    // WASI: ERRNO_ILSEQ
+    IllegalByteSequence = 25,
+
+    // Operation in progress: A long-running operation is still ongoing.
+    // WASI: ERRNO_INPROGRESS
+    OperationInProgress = 26,
+
+    // Interrupted function: The operation was interrupted by a signal or event.
+    // WASI: ERRNO_INTR
+    InterruptedFunction = 27,
+
+    // Invalid argument: An argument passed to the function is invalid.
+    // WASI: ERRNO_INVAL
+    InvalidArgument = 28,
+
+    // I/O error: A low-level input/output operation failed.
+    // WASI: ERRNO_IO
+    IOError = 29,
+
+    // Socket is connected: The socket is already connected to a remote endpoint.
+    // WASI: ERRNO_ISCONN
+    SocketIsConnected = 30,
+
+    // Is a directory: The operation is not valid on a directory.
+    // WASI: ERRNO_ISDIR
+    IsDirectory = 31,
+
+    // Too many levels of symbolic links: A symbolic link loop was detected.
+    // WASI: ERRNO_LOOP
+    TooManyLevelsOfSymbolicLinks = 32,
+
+    // File descriptor value too large: File descriptor number exceeds the allowed range.
+    // WASI: ERRNO_MFILE
+    FileDescriptorValueTooLarge = 33,
+
+    // Too many links: The maximum number of hard links has been reached.
+    // WASI: ERRNO_MLINK
+    TooManyLinks = 34,
+
+    // Message too large: A network message exceeds the size limit.
+    // WASI: ERRNO_MSGSIZE
+    MessageTooLarge = 35,
+
+    // Reserved error code (not used).
+    // WASI: ERRNO_MULTIHOP
+    Reserved36 = 36,
+
+    // Filename too long: A file or directory name exceeds the allowed length.
+    // WASI: ERRNO_NAMETOOLONG
+    FilenameTooLong = 37,
+
+    // Network is down: The network is currently unavailable.
+    // WASI: ERRNO_NETDOWN
+    NetworkIsDown = 38,
+
+    // Connection aborted by network: A network issue caused the connection to be aborted.
+    // WASI: ERRNO_NETRESET
+    ConnectionAbortedByNetwork = 39,
+
+    // Network unreachable: The network cannot be accessed.
+    // WASI: ERRNO_NETUNREACH
+    NetworkUnreachable = 40,
+
+    // Too many files open in system: System-wide file descriptor limit exceeded.
+    // WASI: ERRNO_NFILE
+    TooManyFilesOpenInSystem = 41,
+
+    // No buffer space available: Insufficient buffer space for the operation.
+    // WASI: ERRNO_NOBUFS
+    NoBufferSpaceAvailable = 42,
+
+    // No such device: The requested device does not exist.
+    // WASI: ERRNO_NODEV
+    NoSuchDevice = 43,
+
+    // No such file or directory: The specified file or directory was not found.
+    // WASI: ERRNO_NOENT
+    NoSuchFileOrDirectory = 44,
+
+    // Executable file format error: The file is not a valid executable format.
+    // WASI: ERRNO_NOEXEC
+    ExecutableFileFormatError = 45,
+
+    // No locks available: The system has no more locks available for use.
+    // WASI: ERRNO_NOLCK
+    NoLocksAvailable = 46,
+
+    // Reserved error code (not used).
+    // WASI: ERRNO_NOLINK
+    Reserved47 = 47,
+
+    // Not enough space: Insufficient storage space for the operation.
+    // WASI: ERRNO_NOMEM
+    NotEnoughSpace = 48,
+
+    // No message of the desired type: A requested message type is unavailable.
+    // WASI: ERRNO_NOMSG
+    NoMessageOfTheDesiredType = 49,
+
+    // Protocol not available: The requested protocol is unavailable.
+    // WASI: ERRNO_NOPROTOOPT
+    ProtocolNotAvailable = 50,
+
+    // No space left on device: The storage device is full.
+    // WASI: ERRNO_NOSPC
+    NoSpaceLeftOnDevice = 51,
+
+    // Function not supported: The operation is not supported by the system or device.
+    // WASI: ERRNO_NOSYS
+    FunctionNotSupported = 52,
+
+    // Socket not connected: The socket is not connected to a remote endpoint.
+    // WASI: ERRNO_NOTCONN
+    SocketNotConnected = 53,
+
+    // Not a directory or symbolic link: The target is not a directory or valid symbolic link.
+    // WASI: ERRNO_NOTDIR
+    NotADirectoryOrSymbolicLink = 54,
+
+    // Directory not empty: Cannot delete a directory that is not empty.
+    // WASI: ERRNO_NOTEMPTY
+    DirectoryNotEmpty = 55,
+
+    // State not recoverable: A persistent state could not be restored.
+    // WASI: ERRNO_NOTRECOVERABLE
+    StateNotRecoverable = 56,
+
+    // Not a socket: The file descriptor is not a socket.
+    // WASI: ERRNO_NOTSOCK
+    NotASocket = 57,
+
+    // Not supported or operation not supported on socket: Unsupported operation on the socket.
+    // WASI: ERRNO_NOTSUP
+    NotSupportedOrOperationNotSupportedOnSocket = 58,
+
+    // Inappropriate I/O control operation: The ioctl operation is inappropriate for the device.
+    // WASI: ERRNO_NOTTY
+    InappropriateIOControlOperation = 59,
+
+    // No such device or address: The device or address does not exist.
+    // WASI: ERRNO_NXIO
+    NoSuchDeviceOrAddress = 60,
+
+    // Value too large to be stored in data type: A value exceeds the data type's range.
+    // WASI: ERRNO_OVERFLOW
+    ValueTooLargeToBeStoredInDataType = 61,
+
+    // Previous owner died: The previous owner of a mutex or resource has died.
+    // WASI: ERRNO_OWNERDEAD
+    PreviousOwnerDied = 62,
+
+    // Operation not permitted: The operation is prohibited by the system or security policy.
+    // WASI: ERRNO_PERM
+    OperationNotPermitted = 63,
+
+    // Broken pipe: A connection was closed while writing data.
+    // WASI: ERRNO_PIPE
+    BrokenPipe = 64,
+
+    // Protocol error: A protocol error occurred during communication.
+    // WASI: ERRNO_PROTO
+    ProtocolError = 65,
+
+    // Protocol not supported: The protocol is not supported by the system.
+    // WASI: ERRNO_PROTONOSUPPORT
+    ProtocolNotSupported = 66,
+
+    // Protocol wrong type for socket: The protocol does not match the socket type.
+    // WASI: ERRNO_PROTOTYPE
+    ProtocolWrongTypeForSocket = 67,
+
+    // Result too large: The result of an operation exceeds the allowable limit.
+    // WASI: ERRNO_RANGE
+    ResultTooLarge = 68,
+
+    // Read-only file system: Attempted to modify a read-only file system.
+    // WASI: ERRNO_ROFS
+    ReadOnlyFileSystem = 69,
+
+    // Invalid seek: An invalid file seek operation was attempted.
+    // WASI: ERRNO_SPIPE
+    InvalidSeek = 70,
+
+    // No such process: The specified process does not exist.
+    // WASI: ERRNO_SRCH
+    NoSuchProcess = 71,
+
+    // Reserved error code (not used).
+    // WASI: ERRNO_STALE
+    Reserved72 = 72,
+
+    // Connection timed out: The connection attempt timed out.
+    // WASI: ERRNO_TIMEDOUT
+    ConnectionTimedOut = 73,
+
+    // Text file busy: An attempt to modify an in-use text file.
+    // WASI: ERRNO_TXTBSY
+    TextFileBusy = 74,
+
+    // Cross-device link: An operation attempted to link across different devices.
+    // WASI: ERRNO_XDEV
+    CrossDeviceLink = 75,
+
+    // Extension capabilities insufficient: The required extension capabilities are missing.
+    // WASI: ERRNO_NOTCAPABLE
+    ExtensionCapabilitiesInsufficient = 76,
 }
+
+impl std::fmt::Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self)
+    }
+}
+
+impl std::error::Error for Error {}