public void Parse_Handles_Locked_Files(string username, int token, byte freeUploadSlots, int uploadSpeed, long queueLength) { var msg = new MessageBuilder() .WriteCode(MessageCode.Peer.SearchResponse) .WriteString(username) .WriteInteger(token) .WriteInteger(2) // file count .WriteByte(0x2) // code .WriteString("filename") // filename .WriteLong(3) // size .WriteString("ext") // extension .WriteInteger(1) // attribute count .WriteInteger((int)FileAttributeType.BitDepth) // attribute[0].type .WriteInteger(4) // attribute[0].value .WriteByte(0x20) // code .WriteString("filename2") // filename .WriteLong(30) // size .WriteString("ext2") // extension .WriteInteger(1) // attribute count .WriteInteger((int)FileAttributeType.BitRate) // attribute[0].type .WriteInteger(40) // attribute[0].value .WriteByte(freeUploadSlots) .WriteInteger(uploadSpeed) .WriteLong(queueLength) .WriteInteger(1) // locked file count .WriteByte(0x30) // code .WriteString("filename3") // filename .WriteLong(40) // size .WriteString("ext3") // extension .WriteInteger(1) // attribute count .WriteInteger((int)FileAttributeType.BitRate) // attribute[0].type .WriteInteger(50) // attribute[0].value .Compress() .Build(); var r = SearchResponseFactory.FromByteArray(msg); Assert.Equal(2, r.Files.Count); var file = r.Files.ToList(); Assert.Equal(0x2, file[0].Code); Assert.Equal("filename", file[0].Filename); Assert.Equal(3, file[0].Size); Assert.Equal("ext", file[0].Extension); Assert.Equal(1, file[0].AttributeCount); Assert.Single(file[0].Attributes); Assert.Equal(FileAttributeType.BitDepth, file[0].Attributes.ToList()[0].Type); Assert.Equal(4, file[0].Attributes.ToList()[0].Value); Assert.Equal(0x20, file[1].Code); Assert.Equal("filename2", file[1].Filename); Assert.Equal(30, file[1].Size); Assert.Equal("ext2", file[1].Extension); Assert.Equal(1, file[1].AttributeCount); Assert.Single(file[1].Attributes); Assert.Equal(FileAttributeType.BitRate, file[1].Attributes.ToList()[0].Type); Assert.Equal(40, file[1].Attributes.ToList()[0].Value); var locked = r.LockedFiles.ToList(); Assert.Equal(0x30, locked[0].Code); Assert.Equal("filename3", locked[0].Filename); Assert.Equal(40, locked[0].Size); Assert.Equal("ext3", locked[0].Extension); Assert.Equal(1, locked[0].AttributeCount); Assert.Single(locked[0].Attributes); Assert.Equal(FileAttributeType.BitRate, locked[0].Attributes.ToList()[0].Type); Assert.Equal(50, locked[0].Attributes.ToList()[0].Value); }
/// <summary> /// Handles incoming messages. /// </summary> /// <param name="sender">The <see cref="IMessageConnection"/> instance from which the message originated.</param> /// <param name="message">The message.</param> public async void HandleMessageRead(object sender, byte[] message) { var connection = (IMessageConnection)sender; var code = new MessageReader <MessageCode.Peer>(message).ReadCode(); Diagnostic.Debug($"Peer message received: {code} from {connection.Username} ({connection.IPEndPoint}) (id: {connection.Id})"); try { switch (code) { case MessageCode.Peer.SearchResponse: var searchResponse = SearchResponseFactory.FromByteArray(message); if (SoulseekClient.Searches.TryGetValue(searchResponse.Token, out var search)) { search.TryAddResponse(searchResponse); } break; case MessageCode.Peer.BrowseResponse: var browseWaitKey = new WaitKey(MessageCode.Peer.BrowseResponse, connection.Username); try { SoulseekClient.Waiter.Complete(browseWaitKey, BrowseResponseFactory.FromByteArray(message)); } catch (Exception ex) { SoulseekClient.Waiter.Throw(browseWaitKey, new MessageReadException("The peer returned an invalid browse response", ex)); throw; } break; case MessageCode.Peer.InfoRequest: UserInfo outgoingInfo; try { outgoingInfo = await SoulseekClient.Options .UserInfoResolver(connection.Username, connection.IPEndPoint).ConfigureAwait(false); } catch (Exception ex) { outgoingInfo = await new SoulseekClientOptions() .UserInfoResolver(connection.Username, connection.IPEndPoint).ConfigureAwait(false); Diagnostic.Warning($"Failed to resolve user info response: {ex.Message}", ex); } await connection.WriteAsync(outgoingInfo.ToByteArray()).ConfigureAwait(false); break; case MessageCode.Peer.SearchRequest: var searchRequest = PeerSearchRequest.FromByteArray(message); if (SoulseekClient.Options.SearchResponseResolver == default) { break; } try { var peerSearchResponse = await SoulseekClient.Options.SearchResponseResolver(connection.Username, searchRequest.Token, SearchQuery.FromText(searchRequest.Query)).ConfigureAwait(false); if (peerSearchResponse != null && peerSearchResponse.FileCount + peerSearchResponse.LockedFileCount > 0) { await connection.WriteAsync(peerSearchResponse.ToByteArray()).ConfigureAwait(false); } } catch (Exception ex) { Diagnostic.Warning($"Error resolving search response for query '{searchRequest.Query}' requested by {connection.Username} with token {searchRequest.Token}: {ex.Message}", ex); } break; case MessageCode.Peer.BrowseRequest: BrowseResponse browseResponse; try { browseResponse = await SoulseekClient.Options.BrowseResponseResolver(connection.Username, connection.IPEndPoint).ConfigureAwait(false); } catch (Exception ex) { browseResponse = await new SoulseekClientOptions() .BrowseResponseResolver(connection.Username, connection.IPEndPoint).ConfigureAwait(false); Diagnostic.Warning($"Failed to resolve browse response: {ex.Message}", ex); } await connection.WriteAsync(browseResponse.ToByteArray()).ConfigureAwait(false); break; case MessageCode.Peer.FolderContentsRequest: var folderContentsRequest = FolderContentsRequest.FromByteArray(message); Directory outgoingFolderContents = null; try { outgoingFolderContents = await SoulseekClient.Options.DirectoryContentsResolver( connection.Username, connection.IPEndPoint, folderContentsRequest.Token, folderContentsRequest.DirectoryName).ConfigureAwait(false); } catch (Exception ex) { Diagnostic.Warning($"Failed to resolve directory contents response: {ex.Message}", ex); } if (outgoingFolderContents != null) { var folderContentsResponseMessage = new FolderContentsResponse(folderContentsRequest.Token, outgoingFolderContents); await connection.WriteAsync(folderContentsResponseMessage).ConfigureAwait(false); } break; case MessageCode.Peer.FolderContentsResponse: var folderContentsResponse = FolderContentsResponse.FromByteArray(message); SoulseekClient.Waiter.Complete(new WaitKey(MessageCode.Peer.FolderContentsResponse, connection.Username, folderContentsResponse.Token), folderContentsResponse.Directory); break; case MessageCode.Peer.InfoResponse: var incomingInfo = UserInfoResponseFactory.FromByteArray(message); SoulseekClient.Waiter.Complete(new WaitKey(MessageCode.Peer.InfoResponse, connection.Username), incomingInfo); break; case MessageCode.Peer.TransferResponse: var transferResponse = TransferResponse.FromByteArray(message); SoulseekClient.Waiter.Complete(new WaitKey(MessageCode.Peer.TransferResponse, connection.Username, transferResponse.Token), transferResponse); break; case MessageCode.Peer.QueueDownload: var queueDownloadRequest = QueueDownloadRequest.FromByteArray(message); var(queueRejected, queueRejectionMessage) = await TryEnqueueDownloadAsync(connection.Username, connection.IPEndPoint, queueDownloadRequest.Filename).ConfigureAwait(false); if (queueRejected) { await connection.WriteAsync(new UploadDenied(queueDownloadRequest.Filename, queueRejectionMessage)).ConfigureAwait(false); } else { await TrySendPlaceInQueueAsync(connection, queueDownloadRequest.Filename).ConfigureAwait(false); } break; case MessageCode.Peer.TransferRequest: var transferRequest = TransferRequest.FromByteArray(message); if (transferRequest.Direction == TransferDirection.Upload) { if (!SoulseekClient.DownloadDictionary.IsEmpty && SoulseekClient.DownloadDictionary.Values.Any(d => d.Username == connection.Username && d.Filename == transferRequest.Filename)) { SoulseekClient.Waiter.Complete(new WaitKey(MessageCode.Peer.TransferRequest, connection.Username, transferRequest.Filename), transferRequest); } else { // reject the transfer with an empty reason. it was probably cancelled, but we can't be sure. Diagnostic.Debug($"Rejecting unknown upload from {connection.Username} for {transferRequest.Filename} with token {transferRequest.Token}"); await connection.WriteAsync(new TransferResponse(transferRequest.Token, "Cancelled")).ConfigureAwait(false); } } else { var(transferRejected, transferRejectionMessage) = await TryEnqueueDownloadAsync(connection.Username, connection.IPEndPoint, transferRequest.Filename).ConfigureAwait(false); if (transferRejected) { await connection.WriteAsync(new TransferResponse(transferRequest.Token, transferRejectionMessage)).ConfigureAwait(false); await connection.WriteAsync(new UploadDenied(transferRequest.Filename, transferRejectionMessage)).ConfigureAwait(false); } else { await connection.WriteAsync(new TransferResponse(transferRequest.Token, "Queued")).ConfigureAwait(false); await TrySendPlaceInQueueAsync(connection, transferRequest.Filename).ConfigureAwait(false); } } break; case MessageCode.Peer.UploadDenied: var uploadDeniedResponse = UploadDenied.FromByteArray(message); Diagnostic.Debug($"Download of {uploadDeniedResponse.Filename} from {connection.Username} was denied: {uploadDeniedResponse.Message}"); SoulseekClient.Waiter.Throw(new WaitKey(MessageCode.Peer.TransferRequest, connection.Username, uploadDeniedResponse.Filename), new TransferRejectedException(uploadDeniedResponse.Message)); DownloadDenied?.Invoke(this, new DownloadDeniedEventArgs(connection.Username, uploadDeniedResponse.Filename, uploadDeniedResponse.Message)); break; case MessageCode.Peer.PlaceInQueueResponse: var placeInQueueResponse = PlaceInQueueResponse.FromByteArray(message); SoulseekClient.Waiter.Complete(new WaitKey(MessageCode.Peer.PlaceInQueueResponse, connection.Username, placeInQueueResponse.Filename), placeInQueueResponse); break; case MessageCode.Peer.PlaceInQueueRequest: var placeInQueueRequest = PlaceInQueueRequest.FromByteArray(message); await TrySendPlaceInQueueAsync(connection, placeInQueueRequest.Filename).ConfigureAwait(false); break; case MessageCode.Peer.UploadFailed: var uploadFailedResponse = UploadFailed.FromByteArray(message); var msg = $"Download of {uploadFailedResponse.Filename} reported as failed by {connection.Username}"; var download = SoulseekClient.DownloadDictionary.Values.FirstOrDefault(d => d.Username == connection.Username && d.Filename == uploadFailedResponse.Filename); if (download != null) { SoulseekClient.Waiter.Throw(new WaitKey(MessageCode.Peer.TransferRequest, download.Username, download.Filename), new TransferException(msg)); } Diagnostic.Debug(msg); DownloadFailed?.Invoke(this, new DownloadFailedEventArgs(connection.Username, uploadFailedResponse.Filename)); break; default: Diagnostic.Debug($"Unhandled peer message: {code} from {connection.Username} ({connection.IPEndPoint}); {message.Length} bytes"); break; } } catch (Exception ex) { Diagnostic.Warning($"Error handling peer message: {code} from {connection.Username} ({connection.IPEndPoint}); {ex.Message}", ex); } }