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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See https://swift.org/LICENSE.txt for license information
See https://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import Foundation
import CLMDB
extension LMDB {
/**
A convenience Error enum to handle potential LMDB errors.
- Note: [List of return codes](http://www.lmdb.tech/doc/group__errors.html).
*/
public enum Error: Swift.Error, Equatable {
// LMDB defined errors.
case keyExists
case notFound
case pageNotFound
case corrupted
case panic
case versionMismatch
case invalid
case mapFull
case dbsFull
case readersFull
case tlsFull
case txnFull
case cursorFull
case pageFull
case mapResized
case incompatible
case badReaderSlot
case badTransaction
case badValueSize
case badDBI
// System Errors
case invalidParameter
case accessError
case synchronizationError
case readOnlyFileSystem
case other(errorCode: Int32)
init(errorCode: Int32) {
switch errorCode {
case MDB_KEYEXIST: self = .keyExists
case MDB_NOTFOUND: self = .notFound
case MDB_PAGE_NOTFOUND: self = .pageNotFound
case MDB_CORRUPTED: self = .corrupted
case MDB_PANIC: self = .panic
case MDB_VERSION_MISMATCH: self = .versionMismatch
case MDB_INVALID: self = .invalid
case MDB_MAP_FULL: self = .mapFull
case MDB_DBS_FULL: self = .dbsFull
case MDB_READERS_FULL: self = .readersFull
case MDB_TLS_FULL: self = .tlsFull
case MDB_TXN_FULL: self = .txnFull
case MDB_CURSOR_FULL: self = .cursorFull
case MDB_PAGE_FULL: self = .pageFull
case MDB_MAP_RESIZED: self = .mapResized
case MDB_INCOMPATIBLE: self = .incompatible
case MDB_BAD_RSLOT: self = .badReaderSlot
case MDB_BAD_TXN: self = .badTransaction
case MDB_BAD_VALSIZE: self = .badValueSize
case MDB_BAD_DBI: self = .badDBI
// System Errors
case EINVAL: self = .invalidParameter
case EACCES: self = .accessError
case EIO: self = .synchronizationError
case EROFS: self = .readOnlyFileSystem
// Proxy the original code if it's another error.
default:
self = .other(errorCode: errorCode)
}
}
}
}
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