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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the SwiftNIO open source project | ||
| // | ||
| // Copyright (c) 2021-2023 Apple Inc. and the SwiftNIO project authors | ||
| // Licensed under Apache License v2.0 | ||
| // | ||
| // See LICENSE.txt for license information | ||
| // See CONTRIBUTORS.txt for the list of SwiftNIO project authors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| import Logging | ||
| import NIOCore | ||
|
|
||
| final class CloseOnErrorHandler: ChannelInboundHandler { | ||
| typealias InboundIn = Never | ||
|
|
||
| private let logger: Logger | ||
|
|
||
| init(logger: Logger) { | ||
| self.logger = logger | ||
| } | ||
|
|
||
| func errorCaught(context: ChannelHandlerContext, error: Error) { | ||
| self.logger.warning("encountered error, closing NFS connection", metadata: ["error": "\(error)"]) | ||
| context.close(promise: nil) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,302 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the SwiftNIO open source project | ||
| // | ||
| // Copyright (c) 2021-2023 Apple Inc. and the SwiftNIO project authors | ||
| // Licensed under Apache License v2.0 | ||
| // | ||
| // See LICENSE.txt for license information | ||
| // See CONTRIBUTORS.txt for the list of SwiftNIO project authors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| import NIOCore | ||
| import NIONFS3 | ||
| import Logging | ||
|
|
||
| final class DummyFS: NFS3FileSystemNoAuth { | ||
| struct ChildEntry { | ||
| var name: String | ||
| var index: Int | ||
| } | ||
|
|
||
| struct InodeEntry { | ||
| var type: NFS3FileType | ||
| var children: [ChildEntry] | ||
| } | ||
|
|
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| private var files: [InodeEntry] = [] | ||
| private var root: Int = 7 | ||
| private let fileContent: ByteBuffer = { | ||
| var buffer = ByteBuffer(repeating: UInt8(ascii: "E"), count: 1 * 1024 * 1024) | ||
| buffer.setInteger(UInt8(ascii: "H"), at: 0) | ||
| buffer.setInteger(UInt8(ascii: "L"), at: buffer.writerIndex - 3) | ||
| buffer.setInteger(UInt8(ascii: "L"), at: buffer.writerIndex - 2) | ||
| buffer.setInteger(UInt8(ascii: "O"), at: buffer.writerIndex - 1) | ||
| return buffer | ||
| }() | ||
|
|
||
| init() { | ||
| // 0 doesn't exist? | ||
| self.files.append(.init(type: .regular, children: [])) | ||
|
|
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| let idDirFileA = self.files.count | ||
| self.files.append(.init(type: .regular, children: [])) | ||
|
|
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| let idDirFileB = self.files.count | ||
| self.files.append(.init(type: .regular, children: [])) | ||
|
|
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| let idDirFileC = self.files.count | ||
| self.files.append(.init(type: .regular, children: [])) | ||
|
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| let idDirFileD = self.files.count | ||
| self.files.append(.init(type: .regular, children: [])) | ||
|
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| let idDirFileE = self.files.count | ||
| self.files.append(.init(type: .regular, children: [])) | ||
|
|
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| let idDirFileF = self.files.count | ||
| self.files.append(.init(type: .regular, children: [])) | ||
|
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| let idDir = self.files.count | ||
| self.files.append( | ||
| .init( | ||
| type: .directory, | ||
| children: [ | ||
| .init(name: ".", index: idDir), | ||
| .init(name: "file", index: idDirFileA), | ||
| .init(name: "file1", index: idDirFileB), | ||
| .init(name: "file2", index: idDirFileC), | ||
| .init(name: "file3", index: idDirFileD), | ||
| .init(name: "file4", index: idDirFileE), | ||
| .init(name: "file5", index: idDirFileF), | ||
| ])) | ||
|
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| let idRoot = self.files.count | ||
| self.files.append( | ||
| .init( | ||
| type: .directory, | ||
| children: [ | ||
| .init(name: ".", index: idRoot), | ||
| .init(name: "dir", index: idDir), | ||
| ])) | ||
|
|
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| self.files[idDir].children.append(.init(name: "..", index: idRoot)) | ||
| self.files[idRoot].children.append(.init(name: "..", index: idRoot)) | ||
|
|
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| self.root = idRoot | ||
| } | ||
|
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| func mount(_ call: MountCallMount, logger: Logger, promise: EventLoopPromise<MountReplyMount>) { | ||
| promise.succeed(.init(result: .okay(.init(fileHandle: NFS3FileHandle(UInt64(self.root)))))) | ||
| } | ||
|
|
||
| func unmount(_ call: MountCallUnmount, logger: Logger, promise: EventLoopPromise<MountReplyUnmount>) { | ||
| promise.succeed(.init()) | ||
| } | ||
|
|
||
| func getattr(_ call: NFS3CallGetAttr, logger: Logger, promise: EventLoopPromise<NFS3ReplyGetAttr>) { | ||
| if let result = self.getFile(call.fileHandle) { | ||
| promise.succeed(.init(result: .okay(.init(attributes: result)))) | ||
| } else { | ||
| promise.succeed(.init(result: .fail(.errorBADHANDLE, NFS3Nothing()))) | ||
| } | ||
| } | ||
|
|
||
| func lookup(fileName: String, inDirectory dirHandle: NFS3FileHandle) -> (NFS3FileHandle, NFS3FileAttr)? { | ||
| guard let dirEntry = self.getEntry(fileHandle: dirHandle) else { | ||
| return nil | ||
| } | ||
|
|
||
| guard let index = self.files[dirEntry.0].children.first(where: { $0.name == fileName })?.index else { | ||
| return nil | ||
| } | ||
| let fileHandle = NFS3FileHandle(UInt64(index)) | ||
|
|
||
| return (fileHandle, self.getFile(fileHandle)!) | ||
| } | ||
|
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| func getEntry(index: Int) -> InodeEntry? { | ||
| guard index >= 0 && index < self.files.count else { | ||
| return nil | ||
| } | ||
| return self.files[index] | ||
| } | ||
|
|
||
| func getEntry(fileHandle: NFS3FileHandle) -> (Int, InodeEntry)? { | ||
| return UInt64(fileHandle).flatMap { | ||
| Int(exactly: $0) | ||
| }.flatMap { index in | ||
| self.getEntry(index: index).map { | ||
| (index, $0) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func getFile(_ fileHandle: NFS3FileHandle) -> NFS3FileAttr? { | ||
| guard let entry = self.getEntry(fileHandle: fileHandle) else { | ||
| return nil | ||
| } | ||
|
|
||
| return .init( | ||
| type: entry.1.type, | ||
| mode: 0o777, | ||
| nlink: 1, | ||
| uid: 1, | ||
| gid: 1, | ||
| size: NFS3Size(rawValue: 1 * 1024 * 1024), | ||
| used: 1, | ||
| rdev: 1, | ||
| fsid: 1, | ||
| fileid: NFS3FileID(rawValue: UInt64(entry.0)), | ||
| atime: .init(seconds: 0, nanoseconds: 0), | ||
| mtime: .init(seconds: 0, nanoseconds: 0), | ||
| ctime: .init(seconds: 0, nanoseconds: 0)) | ||
| } | ||
|
|
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| func fsinfo(_ call: NFS3CallFSInfo, logger: Logger, promise: EventLoopPromise<NFS3ReplyFSInfo>) { | ||
| promise.succeed( | ||
| NFS3ReplyFSInfo( | ||
| result: .okay( | ||
| .init( | ||
| attributes: nil, | ||
| rtmax: 1_000_000, | ||
| rtpref: 128_000, | ||
| rtmult: 4096, | ||
| wtmax: 1_000_000, | ||
| wtpref: 128_000, | ||
| wtmult: 4096, | ||
| dtpref: 128_000, | ||
| maxFileSize: NFS3Size(rawValue: UInt64(Int.max)), | ||
| timeDelta: NFS3Time(seconds: 0, nanoseconds: 0), | ||
| properties: .default)))) | ||
| } | ||
|
|
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| func pathconf(_ call: NFS3CallPathConf, logger: Logger, promise: EventLoopPromise<NFS3ReplyPathConf>) { | ||
| promise.succeed( | ||
| .init( | ||
| result: .okay( | ||
| .init( | ||
| attributes: nil, | ||
| linkMax: 1_000_000, | ||
| nameMax: 4096, | ||
| noTrunc: false, | ||
| chownRestricted: false, | ||
| caseInsensitive: false, | ||
| casePreserving: true)))) | ||
| } | ||
|
|
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| func fsstat(_ call: NFS3CallFSStat, logger: Logger, promise: EventLoopPromise<NFS3ReplyFSStat>) { | ||
| promise.succeed( | ||
| .init( | ||
| result: .okay( | ||
| .init( | ||
| attributes: nil, | ||
| tbytes: 0x100_0000_0000, | ||
| fbytes: 0, | ||
| abytes: 0, | ||
| tfiles: 0x1000_0000, | ||
| ffiles: 0, | ||
| afiles: 0, | ||
| invarsec: 0)))) | ||
| } | ||
|
|
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| func access(_ call: NFS3CallAccess, logger: Logger, promise: EventLoopPromise<NFS3ReplyAccess>) { | ||
| promise.succeed(.init(result: .okay(.init(dirAttributes: nil, access: .allReadOnly)))) | ||
| } | ||
|
|
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| func lookup(_ call: NFS3CallLookup, logger: Logger, promise: EventLoopPromise<NFS3ReplyLookup>) { | ||
| if let entry = self.lookup(fileName: call.name, inDirectory: call.dir) { | ||
| promise.succeed( | ||
| .init( | ||
| result: .okay( | ||
| .init( | ||
| fileHandle: entry.0, | ||
| attributes: entry.1, | ||
| dirAttributes: nil)))) | ||
| } else { | ||
| promise.succeed(.init(result: .fail(.errorNOENT, .init(dirAttributes: nil)))) | ||
|
|
||
| } | ||
| } | ||
|
|
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| func readdirplus(_ call: NFS3CallReadDirPlus, logger: Logger, promise: EventLoopPromise<NFS3ReplyReadDirPlus>) { | ||
| if let entry = self.getEntry(fileHandle: call.fileHandle) { | ||
| var entries: [NFS3ReplyReadDirPlus.Entry] = [] | ||
| for fileIndex in entry.1.children.enumerated().dropFirst(Int(min(UInt64(Int.max), | ||
| call.cookie.rawValue))) { | ||
| entries.append( | ||
| .init( | ||
| fileID: NFS3FileID(rawValue: UInt64(fileIndex.element.index)), | ||
| fileName: fileIndex.element.name, | ||
| cookie: NFS3Cookie(rawValue: UInt64(fileIndex.offset)), | ||
| nameAttributes: nil, | ||
| nameHandle: nil)) | ||
| } | ||
| promise.succeed( | ||
| .init( | ||
| result: .okay( | ||
| .init( | ||
| dirAttributes: nil, | ||
| cookieVerifier: call.cookieVerifier, | ||
| entries: entries, | ||
| eof: true)))) | ||
| } else { | ||
| promise.succeed(.init(result: .fail(.errorNOENT, .init(dirAttributes: nil)))) | ||
|
|
||
| } | ||
| } | ||
|
|
||
| func read(_ call: NFS3CallRead, logger: Logger, promise: EventLoopPromise<NFS3ReplyRead>) { | ||
| if let file = self.getFile(call.fileHandle) { | ||
| if file.type == .regular { | ||
| var slice = self.fileContent | ||
| guard call.offset.rawValue <= UInt64(Int.max) else { | ||
| promise.succeed(.init(result: .fail(.errorFBIG, .init(attributes: nil)))) | ||
| return | ||
| } | ||
| let offsetLegal = slice.readSlice(length: Int(call.offset.rawValue)) != nil | ||
| if offsetLegal { | ||
| let actualSlice = slice.readSlice(length: min(slice.readableBytes, Int(call.count.rawValue)))! | ||
| let isEOF = slice.readableBytes == 0 | ||
|
|
||
| promise.succeed( | ||
| .init( | ||
| result: .okay( | ||
| .init( | ||
| attributes: nil, | ||
| count: NFS3Count(rawValue: UInt32(actualSlice.readableBytes)), | ||
| eof: isEOF, | ||
| data: actualSlice)))) | ||
| } else { | ||
| promise.succeed( | ||
| .init( | ||
| result: .okay( | ||
| .init( | ||
| attributes: nil, | ||
| count: 0, | ||
| eof: true, | ||
| data: ByteBuffer())))) | ||
| } | ||
| } else { | ||
| promise.succeed(.init(result: .fail(.errorISDIR, .init(attributes: nil)))) | ||
| } | ||
| } else { | ||
| promise.succeed(.init(result: .fail(.errorNOENT, .init(attributes: nil)))) | ||
| } | ||
| } | ||
|
|
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| func readlink(_ call: NFS3CallReadlink, logger: Logger, promise: EventLoopPromise<NFS3ReplyReadlink>) { | ||
| promise.succeed(.init(result: .fail(.errorNOENT, .init(symlinkAttributes: nil)))) | ||
| } | ||
|
|
||
| func setattr(_ call: NFS3CallSetattr, logger: Logger, promise: EventLoopPromise<NFS3ReplySetattr>) { | ||
| promise.succeed(.init(result: .fail(.errorROFS, .init(wcc: .init(before: nil, after: nil))))) | ||
| } | ||
|
|
||
| func shutdown(promise: EventLoopPromise<Void>) { | ||
| promise.succeed(()) | ||
| } | ||
| } |
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