public Pkcs8PrivateKeyInfo(
Oid algorithmId,
ReadOnlyMemory <byte>?algorithmParameters,
ReadOnlyMemory <byte> privateKey,
bool skipCopies = false)
{
if (algorithmId == null)
{
throw new ArgumentNullException(nameof(algorithmId));
}
AlgorithmId = algorithmId;
AlgorithmParameters = skipCopies ? algorithmParameters : algorithmParameters?.ToArray();
PrivateKeyBytes = skipCopies ? privateKey : privateKey.ToArray();
Attributes = new CryptographicAttributeObjectCollection();
}
public Pkcs8PrivateKeyInfo(
Oid algorithmId,
ReadOnlyMemory <byte>?algorithmParameters,
ReadOnlyMemory <byte> privateKey,
bool skipCopies = false)
{
if (algorithmId == null)
{
throw new ArgumentNullException(nameof(algorithmId));
}
if (algorithmParameters?.Length > 0)
{
// Read to ensure that there is precisely one legally encoded value.
PkcsHelpers.EnsureSingleBerValue(algorithmParameters.Value.Span);
}
AlgorithmId = algorithmId;
AlgorithmParameters = skipCopies ? algorithmParameters : algorithmParameters?.ToArray();
PrivateKeyBytes = skipCopies ? privateKey : privateKey.ToArray();
Attributes = new CryptographicAttributeObjectCollection();
}
public Pkcs8PrivateKeyInfo(
Oid algorithmId,
ReadOnlyMemory <byte>?algorithmParameters,
ReadOnlyMemory <byte> privateKey,
bool skipCopies = false)
{
if (algorithmId == null)
{
throw new ArgumentNullException(nameof(algorithmId));
}
if (algorithmParameters?.Length > 0)
{
// Read to ensure that there is precisely one legally encoded value.
AsnReader reader = new AsnReader(algorithmParameters.Value, AsnEncodingRules.BER);
reader.ReadEncodedValue();
reader.ThrowIfNotEmpty();
}
AlgorithmId = algorithmId;
AlgorithmParameters = skipCopies ? algorithmParameters : algorithmParameters?.ToArray();
PrivateKeyBytes = skipCopies ? privateKey : privateKey.ToArray();
Attributes = new CryptographicAttributeObjectCollection();
}
public byte[] GetSignature() => _signature.ToArray();
public Task SendAsync(ReadOnlyMemory <byte> payload)
{
incomingRequests.Add(RconPacket.FromBytes(payload.ToArray()));
return(Task.CompletedTask);
}
/// <summary>
/// Compare this <see cref="byte"/> array to another.
/// </summary>
/// <param name="buffer"><see cref="ReadOnlyMemory{byte}"/> instance.</param>
/// <param name="other"><see cref="byte"/> array to compare.</param>
/// <returns>Returns true if both instances has equal values.</returns>
public static bool Compare(this ReadOnlyMemory <byte> buffer, byte[] other)
{
return(buffer.ToArray().Compare(other));
}
/// <inheritdoc />
public byte[] Convert(ReadOnlyMemory <byte> input)
{
return(input.ToArray());
}
public async Task SendAsync(ReadOnlyMemory <byte> request, Func <SocketAsyncState, Task> callback, ErrorMap errorMap)
{
ExceptionDispatchInfo capturedException = null;
SocketAsyncState state = null;
try
{
var opaque = Converter.ToUInt32(request.Span.Slice(HeaderOffsets.Opaque));
state = new SocketAsyncState
{
Opaque = opaque,
EndPoint = (IPEndPoint)EndPoint,
ConnectionId = ConnectionId,
LocalEndpoint = LocalEndPoint.ToString()
};
if (!MemoryMarshal.TryGetArray <byte>(request, out var arraySegment))
{
// Fallback in case we can't use the more efficient TryGetArray method
arraySegment = new ArraySegment <byte>(request.ToArray());
}
// write data to stream
await _sslStream.WriteAsync(arraySegment.Array, 0, request.Length).ConfigureAwait(false);
// wait for response
var received = await _sslStream.ReadAsync(_receiveBuffer, 0, _receiveBuffer.Length).ConfigureAwait(false);
var responseSize = Converter.ToInt32(_receiveBuffer.AsSpan(HeaderOffsets.BodyLength)) + HeaderOffsets.HeaderLength;
// create memory slice and copy first segment
var response = MemoryPool <byte> .Shared.RentAndSlice(responseSize);
_receiveBuffer.AsMemory(0, received).CopyTo(response.Memory);
// append any further segments as required
while (received < responseSize)
{
var segmentLength = await _sslStream.ReadAsync(_receiveBuffer, 0, _receiveBuffer.Length).ConfigureAwait(false);
_receiveBuffer.AsMemory(0, segmentLength).CopyTo(response.Memory);
received += segmentLength;
}
// write response to state and complete callback
state.SetData(response);
await callback(state).ConfigureAwait(false);
}
catch (Exception e)
{
IsDead = true;
capturedException = ExceptionDispatchInfo.Capture(e);
}
if (capturedException != null)
{
var sourceException = capturedException.SourceException;
if (state == null)
{
await callback(new SocketAsyncState
{
Exception = capturedException.SourceException,
Status = (sourceException is SocketException)
? ResponseStatus.TransportFailure
: ResponseStatus.ClientFailure
}).ConfigureAwait(false);
}
else
{
state.Exception = sourceException;
await state.Completed(state).ConfigureAwait(false);
Log.LogDebug(sourceException, "");
}
}
}
/// <summary>
/// Convert the <see cref="ReadOnlyMemory{byte}"/> data to <see cref="int"/> representation.
/// </summary>
/// <param name="buffer"><see cref="ReadOnlyMemory{byte}"/> instance.</param>
/// <returns>Returns the <see cref="int"/> representation.</returns>
public static int GetInt(this ReadOnlyMemory <byte> buffer)
{
return(buffer.ToArray().GetInt());
}
protected override async ValueTask <Memory <byte> > HandleBusiness(ReadOnlyMemory <byte> input)
{
//var s = Encoding.UTF8.GetString(input.ToArray());
//var r = Encoding.UTF8.GetBytes(s);
return(await Task.FromResult(input.ToArray()));
}
public static Task WriteAsync(this Stream stream, ReadOnlyMemory <byte> source, CancellationToken cancellationToken = default(CancellationToken)) => stream.WriteAsync(source.ToArray(), 0, source.Length, cancellationToken);
// Receive from udp socket and push value to subscribers.
async void RunReceiveLoop(Stream pipeStream, Func <CancellationToken, Task>?waitForConnection)
{
RECONNECT:
var token = cancellationTokenSource.Token;
if (waitForConnection != null)
{
try
{
await waitForConnection(token).ConfigureAwait(false);
}
catch (IOException)
{
return; // connection closed.
}
}
var buffer = new byte[65536];
while (!token.IsCancellationRequested)
{
ReadOnlyMemory <byte> value = Array.Empty <byte>();
try
{
var readLen = await pipeStream.ReadAsync(buffer, 0, buffer.Length, token).ConfigureAwait(false);
if (readLen == 0)
{
if (waitForConnection != null)
{
server.Value.Dispose();
server = CreateLazyServerStream();
pipeStream = server.Value;
goto RECONNECT; // end of stream(disconnect, wait reconnect)
}
}
var messageLen = MessageBuilder.FetchMessageLength(buffer);
if (readLen == (messageLen + 4))
{
value = buffer.AsMemory(4, messageLen); // skip length header
}
else
{
// read more
if (buffer.Length < (messageLen + 4))
{
Array.Resize(ref buffer, messageLen + 4);
}
var remain = messageLen - (readLen - 4);
await ReadFullyAsync(buffer, pipeStream, readLen, remain, token).ConfigureAwait(false);
value = buffer.AsMemory(4, messageLen);
}
}
catch (IOException)
{
return; // connection closed.
}
catch (Exception ex)
{
if (ex is OperationCanceledException)
{
return;
}
if (token.IsCancellationRequested)
{
return;
}
// network error, terminate.
options.UnhandledErrorHandler("network error, receive loop will terminate." + Environment.NewLine, ex);
return;
}
try
{
var message = MessageBuilder.ReadPubSubMessage(value.ToArray()); // can avoid copy?
switch (message.MessageType)
{
case MessageType.PubSub:
publisher.Publish(message, message, CancellationToken.None);
break;
case MessageType.RemoteRequest:
{
// NOTE: should use without reflection(Expression.Compile)
var header = Deserialize <RequestHeader>(message.KeyMemory, options.MessagePackSerializerOptions);
var(mid, reqTypeName, resTypeName) = (header.MessageId, header.RequestType, header.ResponseType);
byte[] resultBytes;
try
{
var t = AsyncRequestHandlerRegistory.Get(reqTypeName, resTypeName);
var interfaceType = t.GetInterfaces().First(x => x.IsGenericType && x.Name.StartsWith("IAsyncRequestHandler"));
var coreInterfaceType = t.GetInterfaces().First(x => x.IsGenericType && x.Name.StartsWith("IAsyncRequestHandlerCore"));
var service = provider.GetRequiredService(interfaceType); // IAsyncRequestHandler<TRequest,TResponse>
var genericArgs = interfaceType.GetGenericArguments(); // [TRequest, TResponse]
var request = MessagePackSerializer.Deserialize(genericArgs[0], message.ValueMemory, options.MessagePackSerializerOptions);
var responseTask = coreInterfaceType.GetMethod("InvokeAsync") !.Invoke(service, new[] { request, CancellationToken.None });
var task = typeof(ValueTask <>).MakeGenericType(genericArgs[1]).GetMethod("AsTask") !.Invoke(responseTask, null);
await((System.Threading.Tasks.Task)task !); // Task<T> -> Task
var result = task.GetType().GetProperty("Result") !.GetValue(task);
resultBytes = MessageBuilder.BuildRemoteResponseMessage(mid, genericArgs[1], result !, options.MessagePackSerializerOptions);
}
catch (Exception ex)
{
// NOTE: ok to send stacktrace?
resultBytes = MessageBuilder.BuildRemoteResponseError(mid, ex.ToString(), options.MessagePackSerializerOptions);
}
await pipeStream.WriteAsync(resultBytes, 0, resultBytes.Length).ConfigureAwait(false);
}
break;
case MessageType.RemoteResponse:
case MessageType.RemoteError:
{
var mid = Deserialize <int>(message.KeyMemory, options.MessagePackSerializerOptions);
if (responseCompletions.TryRemove(mid, out var tcs))
{
if (message.MessageType == MessageType.RemoteResponse)
{
tcs.TrySetResult(message); // synchronous completion, use memory buffer immediately.
}
else
{
var errorMsg = MessagePackSerializer.Deserialize <string>(message.ValueMemory, options.MessagePackSerializerOptions);
tcs.TrySetException(new RemoteRequestException(errorMsg));
}
}
}
break;
default:
break;
}
}
catch (IOException)
{
return; // connection closed.
}
catch (Exception ex)
{
if (ex is OperationCanceledException)
{
continue;
}
options.UnhandledErrorHandler("", ex);
}
}
}
public static bool WriteBin(RegRoot root, string keyName, string valueName, ReadOnlyMemory <byte> data)
{
return(WriteValue(root, keyName, valueName, RegistryValueKind.Binary, data.ToArray()));
}
public static Pkcs12Info Decode(
ReadOnlyMemory <byte> encodedBytes,
out int bytesConsumed,
bool skipCopy = false)
{
AsnReader reader = new AsnReader(encodedBytes, AsnEncodingRules.BER);
// Trim it to the first value
encodedBytes = reader.PeekEncodedValue();
ReadOnlyMemory <byte> maybeCopy = skipCopy ? encodedBytes : encodedBytes.ToArray();
PfxAsn pfx = PfxAsn.Decode(maybeCopy, AsnEncodingRules.BER);
// https://tools.ietf.org/html/rfc7292#section-4 only defines version 3.
if (pfx.Version != 3)
{
throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding);
}
ReadOnlyMemory <byte> authSafeBytes = ReadOnlyMemory <byte> .Empty;
Pkcs12IntegrityMode mode = Pkcs12IntegrityMode.Unknown;
if (pfx.AuthSafe.ContentType == Oids.Pkcs7Data)
{
authSafeBytes = PkcsHelpers.DecodeOctetStringAsMemory(pfx.AuthSafe.Content);
if (pfx.MacData.HasValue)
{
mode = Pkcs12IntegrityMode.Password;
}
else
{
mode = Pkcs12IntegrityMode.None;
}
}
else if (pfx.AuthSafe.ContentType == Oids.Pkcs7Signed)
{
SignedDataAsn signedData = SignedDataAsn.Decode(pfx.AuthSafe.Content, AsnEncodingRules.BER);
mode = Pkcs12IntegrityMode.PublicKey;
if (signedData.EncapContentInfo.ContentType == Oids.Pkcs7Data)
{
authSafeBytes = signedData.EncapContentInfo.Content.GetValueOrDefault();
}
if (pfx.MacData.HasValue)
{
throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding);
}
}
if (mode == Pkcs12IntegrityMode.Unknown)
{
throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding);
}
List <ContentInfoAsn> authSafeData = new List <ContentInfoAsn>();
AsnValueReader authSafeReader = new AsnValueReader(authSafeBytes.Span, AsnEncodingRules.BER);
AsnValueReader sequenceReader = authSafeReader.ReadSequence();
authSafeReader.ThrowIfNotEmpty();
while (sequenceReader.HasData)
{
ContentInfoAsn.Decode(ref sequenceReader, authSafeBytes, out ContentInfoAsn contentInfo);
authSafeData.Add(contentInfo);
}
ReadOnlyCollection <Pkcs12SafeContents> authSafe;
if (authSafeData.Count == 0)
{
authSafe = new ReadOnlyCollection <Pkcs12SafeContents>(Array.Empty <Pkcs12SafeContents>());
}
else
{
Pkcs12SafeContents[] contentsArray = new Pkcs12SafeContents[authSafeData.Count];
for (int i = 0; i < contentsArray.Length; i++)
{
contentsArray[i] = new Pkcs12SafeContents(authSafeData[i]);
}
authSafe = new ReadOnlyCollection <Pkcs12SafeContents>(contentsArray);
}
bytesConsumed = encodedBytes.Length;
return(new Pkcs12Info
{
AuthenticatedSafe = authSafe,
IntegrityMode = mode,
_decoded = pfx,
_authSafeContents = authSafeBytes,
});
}
public static ECDSAPublicKey ToPublicKey(this ReadOnlyMemory <byte> bytes)
{
return(bytes.ToArray().ToPublicKey());
}
public override ReadOnlyMemory <byte> Decrypt(ReadOnlyMemory <byte> cipher, KerberosKey key, KeyUsage usage)
{
return(cipher.ToArray());
}
protected override void DecodePacket()
{
_reader.Position = 0;
Header = new InternalDatagramHeader(ReadByte());
Header.DatagramSequenceNumber = ReadLittle();
// End datagram, online packet starts
Messages = new List <Packet>();
while (!_reader.Eof)
{
byte flags = ReadByte();
var header = new ReliabilityHeader();
//header.ReliableMessageNumber
header.Reliability = (Reliability)((flags & 0b011100000) >> 5);
header.HasSplit = (flags & 0b00010000) > 0;
short dataBitLength = ReadShort(true);
switch (header.Reliability)
{
case Reliability.Reliable:
case Reliability.ReliableSequenced:
case Reliability.ReliableOrdered:
header.ReliableMessageNumber = ReadLittle();
break;
}
switch (header.Reliability)
{
case Reliability.UnreliableSequenced:
case Reliability.ReliableSequenced:
header.SequencingIndex = ReadLittle();
break;
}
switch (header.Reliability)
{
case Reliability.UnreliableSequenced:
case Reliability.ReliableSequenced:
case Reliability.ReliableOrdered:
case Reliability.ReliableOrderedWithAckReceipt:
header.OrderingIndex = ReadLittle();
header.OrderingChannel = ReadByte(); // flags
break;
}
if (header.HasSplit)
{
header.PartCount = ReadInt(true);
header.PartId = ReadShort(true);
header.PartIndex = ReadInt(true);
}
// Slurp the payload
int messageLength = (int)Math.Ceiling((((double)dataBitLength) / 8));
ReadOnlyMemory <byte> internalBuffer = Slice(messageLength);
if (internalBuffer.Length != messageLength)
{
Log.Error($"Didn't get expected length {internalBuffer.Length}");
}
if (internalBuffer.Length == 0)
{
continue; //Log.Error($"Read length {internalBuffer.Length}, expected {messageLength}");
}
if (messageLength == 0)
{
continue;
}
//if(header.Reliability != Reliability.ReliableOrdered) Log.Error($"Parsing message {internalBuffer.Span[0]} with reliability={header.Reliability}");
if (header.HasSplit)
{
var splitPartPacket = SplitPartPacket.CreateObject();
splitPartPacket.ReliabilityHeader = header;
splitPartPacket.Id = internalBuffer.Span[0];
splitPartPacket.Message = internalBuffer;
Messages.Add(splitPartPacket);
if (Log.IsDebugEnabled && _reader.Position < _reader.Length)
{
Log.Debug($"Got split message, but more to read {_reader.Length - _reader.Position}");
}
}
else
{
byte id = internalBuffer.Span[0];
Packet packet = PacketFactory.Create(id, internalBuffer, "raknet") ?? new UnknownPacket(id, internalBuffer.ToArray());
packet.ReliabilityHeader = header;
Messages.Add(packet);
}
if (Log.IsDebugEnabled && messageLength != internalBuffer.Length)
{
Log.Debug("Mismatch of requested length, and actual read length");
}
}
}
public async ValueTask <IChunk> GetOrAddChunk(ChunkColumnManager columnManager, ChunkPosition chunkPosition)
{
IChunkColumn column = await ColumnProvider.GetOrAddChunkColumn(columnManager, chunkPosition.Column).Unchain();
if (column.TryGetChunk(chunkPosition.Y, out IChunk? loadedChunk))
{
return(loadedChunk);
}
if (column is not LocalChunkColumn localColumn)
{
throw new InvalidOperationException();
}
Dictionary <int, NbtElement>?chunksToDecode = localColumn._chunksToDecode;
if (chunksToDecode != null)
{
NbtElement chunkElement;
bool hasElement = false;
lock (chunksToDecode)
{
hasElement = chunksToDecode.Remove(chunkPosition.Y, out chunkElement);
}
if (hasElement)
{
// TODO: move to a Anvil chunk parser
LocalChunk chunk;
if (chunkElement.TryGetCompoundElement("BlockStates", out NbtElement blockStatesNbt) &&
chunkElement.TryGetCompoundElement("Palette", out NbtElement paletteNbt))
{
IndirectBlockPalette palette = ParsePalette(columnManager.GlobalBlockPalette, paletteNbt);
chunk = new LocalChunk(column, chunkPosition.Y, palette, columnManager.Air);
if (palette.Count == 1 &&
palette.BlockForId(0) == columnManager.Air)
{
chunk.FillBlock(columnManager.Air);
}
else
{
ReadOnlyMemory <byte> blockStateRawData = blockStatesNbt.GetArrayData(out NbtType blockStateDataType);
if (blockStateDataType != NbtType.LongArray)
{
throw new InvalidDataException();
}
SetBlocksFromData(chunk, palette, MemoryMarshal.Cast <byte, ulong>(blockStateRawData.Span));
}
if (chunkElement.TryGetCompoundElement("BlockLight", out NbtElement blockLightNbt))
{
ReadOnlyMemory <byte> blockLightData = blockLightNbt.GetArrayData(out NbtType blockLightDataType);
if (blockLightDataType != NbtType.ByteArray)
{
throw new InvalidDataException();
}
chunk.BlockLight = blockLightData.ToArray();
}
if (chunkElement.TryGetCompoundElement("SkyLight", out NbtElement skyLightNbt))
{
ReadOnlyMemory <byte> skyLightData = skyLightNbt.GetArrayData(out NbtType skyLightDataType);
if (skyLightDataType != NbtType.ByteArray)
{
throw new InvalidDataException();
}
chunk.SkyLight = skyLightData.ToArray();
}
}
else
{
chunk = new LocalChunk(column, chunkPosition.Y, columnManager.GlobalBlockPalette, columnManager.Air);
chunk.FillBlock(chunk.AirBlock);
chunk.SkyLight = new byte[2048];
chunk.SkyLight.AsSpan().Fill(255);
}
lock (chunksToDecode)
{
localColumn._chunksToDecodeRefCount--;
if (localColumn._chunksToDecodeRefCount == 0)
{
// TODO: fix
//localColumn._encodedColumn?.Dispose();
localColumn._encodedColumn = null;
}
}
return(chunk);
}
}
return(await GenerateChunk(column, chunkPosition.Y).Unchain());
}
internal static dynamic DeserializeType(ReadOnlyMemory <byte> bytes, Type type)
{
if (type == typeof(Fr))
{
return(Fr.FromBytes(bytes.ToArray()));
}
if (type == typeof(G1))
{
return(G1.FromBytes(bytes.ToArray()));
}
if (type == typeof(G2))
{
return(G2.FromBytes(bytes.ToArray()));
}
switch (Type.GetTypeCode(type))
{
case TypeCode.Boolean:
return(bytes.Span[0] != 0);
case TypeCode.SByte:
return((sbyte)bytes.Span[0]);
case TypeCode.Byte:
return(bytes.Span[0]);
case TypeCode.UInt16:
return(bytes.Span.ToUInt16());
case TypeCode.Int16:
return(bytes.Span.ToInt16());
case TypeCode.UInt32:
return(bytes.Span.ToUInt32());
case TypeCode.Int32:
return(bytes.Span.ToInt32());
case TypeCode.UInt64:
return(bytes.Span.ToUInt64());
case TypeCode.Int64:
return(bytes.Span.ToInt64());
case TypeCode.Object:
return((
type.GetMethod("FromBytes") ??
throw new InvalidOperationException($"Cannot deserialize type {type} without FromBytes method")
).Invoke(null, new object[] { bytes }));
case TypeCode.Single:
case TypeCode.String:
case TypeCode.Char:
case TypeCode.DateTime:
case TypeCode.DBNull:
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Empty:
throw new ArgumentOutOfRangeException();
default:
throw new ArgumentOutOfRangeException();
}
}
private string DeserializeMessage(ReadOnlyMemory <byte> body, string routingKey)
{
var message = Encoding.UTF8.GetString(body.ToArray());
return(message);
}
public override string ToBase64(ReadOnlyMemory <byte> value)
{
return(MemoryMarshal.TryGetArray(value, out var segment)
? Convert.ToBase64String(segment.Array, 0, segment.Count)
: Convert.ToBase64String(value.ToArray()));
}
private object?DoDeserialize(ReadOnlyMemory <byte> data, uint flags)
{
if (flags == RawDataFlag
// check if unknown flag
|| ((flags & (FlagPrefix + 0xff)) != flags))
{
return(data.ToArray());
}
var code = (TypeCode)(flags & 0xff);
var span = data.Span;
#pragma warning disable IDE0049 // readability
switch (code)
{
case TypeCode.Object:
if (!MemoryMarshal.TryGetArray(data, out var segment))
{
throw new SerializationException("Cannot deserialize object, MemoryMarshal was not able to get the byte[] of the buffer."); // TODO dump the first 16-32 bytes into the exception
}
using (var ms = new MemoryStream(segment.Array, segment.Offset, segment.Count, false))
return(new BinaryFormatter().Deserialize(ms));
case TypeCode.DBNull: return(null);
// incrementing a non-existing key then getting it
// returns as a string, but the flag will be 0
// so treat all 0 flagged items as string
// this may help inter-client data management as well
case TypeCode.Empty:
case TypeCode.String: return(Utf8NoBom.GetString(span));
case TypeCode.SByte: return((SByte)span[0]);
case TypeCode.Byte: return(span[0]);
case TypeCode.Boolean: return(span[0] != FALSE);
case TypeCode.Char: return((char)BinaryPrimitives.ReadUInt16LittleEndian(span));
case TypeCode.Int16: return(BinaryPrimitives.ReadInt16LittleEndian(span));
case TypeCode.Int32: return(BinaryPrimitives.ReadInt32LittleEndian(span));
case TypeCode.Int64: return(BinaryPrimitives.ReadInt64LittleEndian(span));
case TypeCode.UInt16: return(BinaryPrimitives.ReadUInt16LittleEndian(span));
case TypeCode.UInt32: return(BinaryPrimitives.ReadUInt32LittleEndian(span));
case TypeCode.UInt64: return(BinaryPrimitives.ReadUInt64LittleEndian(span));
case TypeCode.DateTime: return(DateTime.FromBinary(BinaryPrimitives.ReadInt64LittleEndian(span)));
case TypeCode.Single:
#if !NETSTANDARD2_0
return(BitConverter.ToSingle(span));
#else
return(BitConverter.ToSingle(span.ToArray(), 0));
#endif
case TypeCode.Double:
#if !NETSTANDARD2_0
return(BitConverter.ToDouble(span));
#else
return(BitConverter.ToDouble(span.ToArray(), 0));
#endif
case TypeCode.Decimal:
var bits = new int[4];
bits[0] = BinaryPrimitives.ReadInt32LittleEndian(span);
bits[1] = BinaryPrimitives.ReadInt32LittleEndian(span.Slice(sizeof(Int32)));
bits[2] = BinaryPrimitives.ReadInt32LittleEndian(span.Slice(sizeof(Int32) + sizeof(Int32)));
bits[3] = BinaryPrimitives.ReadInt32LittleEndian(span.Slice(sizeof(Int32) + sizeof(Int32) + sizeof(Int32)));
return(new Decimal(bits));
}
#pragma warning restore IDE0049
return(data.ToArray());
}
/// <summary>
/// Convert the <see cref="ReadOnlyMemory{byte}"/> data to UTF8 string representation.
/// </summary>
/// <param name="buffer"><see cref="ReadOnlyMemory{byte}"/> instance.</param>
/// <returns>Returns the UTF8 string representation.</returns>
public static string GetString(this ReadOnlyMemory <byte> buffer)
{
return(ByteExtensions.GetString(buffer.ToArray()));
}
public async Task SendAsync(ReadOnlyMemory <byte> memory)
{
await hubConnection.SendAsync("BrowserMethod", memory.ToArray());
}
/// <summary>
/// Compare this <see cref="byte"/> array to another.
/// </summary>
/// <param name="buffer"><see cref="byte"/> array instance.</param>
/// <param name="other"><see cref="ReadOnlyMemory{byte}"/> buffer to compare.</param>
/// <returns>Returns true if both instances has equal values.</returns>
public static bool Compare(this byte[] buffer, ReadOnlyMemory <byte> other)
{
return(buffer.Compare(other.ToArray()));
}
public static string ToJson(ReadOnlyMemory <byte> bytes)
{
var byteArray = bytes.ToArray();
return(Encoding.UTF8.GetString(byteArray));
}
/// <summary>
/// Converts this <see cref="ByteString"/> into a byte array.
/// </summary>
/// <remarks>The data is copied - changes to the returned array will not be reflected in this <c>ByteString</c>.</remarks>
/// <returns>A byte array with the same data as this <c>ByteString</c>.</returns>
public byte[] ToByteArray()
{
return(bytes.ToArray());
}
static void Main()
{
System.Console.WriteLine("Starting Serial service");
//Thread.Sleep(20000); // Wait 10 seconds for RabbitMQ to startup
Console.WriteLine("Serial service started");
// Create RabbitMQ channel for serial service
ConnectionFactory serialServiceFactory = new ConnectionFactory()
{
HostName = "localhost"
};
//ConnectionFactory serialServiceFactory = new ConnectionFactory() { HostName = "rabbitmq", Port = 5672 };
using IConnection serialServiceConnection = serialServiceFactory.CreateConnection();
using IModel serialServiceChannel = serialServiceConnection.CreateModel();
SerialPortModel serialPortModel = new SerialPortModel(null, null);
#region Events
// Triggered when data is sent
serialPortModel.DataSent += (data) =>
{
string message = "serial-data-sent-###" + string.Join(",", data.Select(p => p.ToString("X")));
byte[] body = Encoding.UTF8.GetBytes(message);
// Produce message
serialServiceChannel.BasicPublish(exchange: "",
routingKey: "serial-service-producer",
basicProperties: null,
body: body);
};
// Triggered when data is received
serialPortModel.DataReceived += (data) =>
{
string message = "serial-data-received-###" + string.Join(",", data.Select(p => p.ToString("X")));
//string message = "serial-data-received-###" + string.Join(",", data.Select(p => p.ToString()).ToArray());
byte[] body = Encoding.UTF8.GetBytes(message);
// Produce message
serialServiceChannel.BasicPublish(exchange: "",
routingKey: "serial-service-producer",
basicProperties: null,
body: body);
};
// Triggered when port is opened
serialPortModel.OpenedPort += () =>
{
string message = "serial-opened";
byte[] body = Encoding.UTF8.GetBytes(message);
// Produce message
serialServiceChannel.BasicPublish(exchange: "",
routingKey: "serial-service-producer",
basicProperties: null,
body: body);
};
// Triggered when port is closed
serialPortModel.ClosedPort += () =>
{
string message = "serial-closed";
byte[] body = Encoding.UTF8.GetBytes(message);
// Produce message
serialServiceChannel.BasicPublish(exchange: "",
routingKey: "serial-service-producer",
basicProperties: null,
body: body);
};
// Triggered when there is an error on the port
serialPortModel.PortError += (sender, args) =>
{
string message = "serial-error-###xxx";
byte[] body = Encoding.UTF8.GetBytes(message);
// Produce message
serialServiceChannel.BasicPublish(exchange: "",
routingKey: "serial-service-producer",
basicProperties: null,
body: body);
};
#endregion
#region Create RabbitMQ Producer
// Creates queue
serialServiceChannel.QueueDeclare(queue: "serial-service-producer",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
#endregion
#region Create RabbitMQ Consumer
// Create/Use serial-messages queue
serialServiceChannel.QueueDeclare(queue: "serial-service-consumer",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
// Create a consumer
EventingBasicConsumer serialServiceConsumer = new EventingBasicConsumer(serialServiceChannel);
// Callback for received/consumed messages
serialServiceConsumer.Received += (model, ea) =>
{
ReadOnlyMemory <byte> body = ea.Body;
string message = Encoding.UTF8.GetString(body.ToArray());
message = message.ToLower().Replace("server processed ", "");
if (message.StartsWith("serial-"))
{
// The type of message
string[] commands = message.Split('-');
// Data carried by the message
string parameters;
switch (commands[1])
{
case "open": // Open the serial port
parameters = message.Split("###")[1].Replace(" ", string.Empty).Trim();
string[] arguments = parameters.Split(',');
byte comPort = 0;
int baudRate = 9600;
Parity parity = Parity.None;
int dataBits = 8;
StopBits stopBits = StopBits.One;
foreach (string arg in arguments)
{
string[] components = arg.Split(':');
switch (components[0])
{
case "comport":
comPort = byte.Parse(components[1]);
break;
case "baudrate":
baudRate = int.Parse(components[1]);
break;
case "parity":
string parityOption = components[1];
switch (parityOption.ToLower())
{
case "even":
parity = Parity.Even;
break;
case "mark":
parity = Parity.Mark;
break;
case "none":
parity = Parity.None;
break;
case "odd":
parity = Parity.Odd;
break;
case "space":
parity = Parity.Space;
break;
default:
break;
}
break;
case "databits":
dataBits = int.Parse(components[1]);
break;
case "stopbits":
string stopBitsOption = components[1];
switch (stopBitsOption)
{
case "none":
stopBits = StopBits.None;
break;
case "one":
stopBits = StopBits.One;
break;
case "onepointfive":
stopBits = StopBits.OnePointFive;
break;
case "two":
stopBits = StopBits.Two;
break;
default:
break;
}
break;
default:
break;
}
}
if (!serialPortModel.IsOpen)
{
serialPortModel.OpenPort(comPort: comPort, baudRate: baudRate,
parity: parity, dataBits: dataBits, stopBits: stopBits);
}
System.Console.WriteLine(message);
break;
case "close": // Close the serial port
if (serialPortModel.IsOpen)
{
serialPortModel.ClosePort();
}
System.Console.WriteLine(message);
break;
case "stx": // Set the start characters of the frame
parameters = message.Split("###")[1];
string[] stxStringBytes = parameters.Replace(" ", string.Empty).Trim().Split(',');
byte[] stxbytes = Array.ConvertAll(stxStringBytes, element =>
{
return(byte.Parse(element, System.Globalization.NumberStyles.HexNumber));
});
serialPortModel.STX = stxbytes;
System.Console.WriteLine(message);
break;
case "etx": // Set the end characters of the frame
parameters = message.Split("###")[1];
string[] etxStringBytes = parameters.Replace(" ", string.Empty).Trim().Split(',');
byte[] etxBytes = Array.ConvertAll(etxStringBytes, element =>
{
return(byte.Parse(element, System.Globalization.NumberStyles.HexNumber));
});
serialPortModel.ETX = etxBytes;
System.Console.WriteLine(message);
break;
case "message": // A message to be sent
parameters = message.Split("###")[1];
string[] messageStringBytes = parameters.Replace(" ", string.Empty).Trim().Split(',');
byte[] messageBytes = Array.ConvertAll(messageStringBytes, element =>
{
return(byte.Parse(element, System.Globalization.NumberStyles.HexNumber));
});
serialPortModel.WriteSerialData(messageBytes);
System.Console.WriteLine(message);
break;
default:
break;
}
}
};
// Start consumer
serialServiceChannel.BasicConsume(queue: "serial-service-consumer",
autoAck: true,
consumer: serialServiceConsumer);
#endregion
while (true)
{
;
}
}
public static AmqpMessage SBMessageToAmqpMessage(ServiceBusMessage sbMessage)
{
// body
var amqpMessage = sbMessage.ToAmqpMessage();
// properties
amqpMessage.Properties.MessageId = sbMessage.MessageId;
amqpMessage.Properties.CorrelationId = sbMessage.CorrelationId;
amqpMessage.Properties.ContentType = sbMessage.ContentType;
amqpMessage.Properties.ContentEncoding = sbMessage.AmqpMessage.Properties.ContentEncoding;
amqpMessage.Properties.Subject = sbMessage.Subject;
amqpMessage.Properties.To = sbMessage.To;
amqpMessage.Properties.ReplyTo = sbMessage.ReplyTo;
amqpMessage.Properties.GroupId = sbMessage.SessionId;
amqpMessage.Properties.ReplyToGroupId = sbMessage.ReplyToSessionId;
amqpMessage.Properties.GroupSequence = sbMessage.AmqpMessage.Properties.GroupSequence;
if (sbMessage.AmqpMessage.Properties.UserId.HasValue)
{
ReadOnlyMemory <byte> userId = sbMessage.AmqpMessage.Properties.UserId.Value;
if (MemoryMarshal.TryGetArray(userId, out ArraySegment <byte> segment))
{
amqpMessage.Properties.UserId = segment;
}
else
{
amqpMessage.Properties.UserId = new ArraySegment <byte>(userId.ToArray());
}
}
// If TTL is set, it is used to calculate AbsoluteExpiryTime and CreationTime
if (sbMessage.TimeToLive != TimeSpan.MaxValue)
{
amqpMessage.Header.Ttl = (uint)sbMessage.TimeToLive.TotalMilliseconds;
amqpMessage.Properties.CreationTime = DateTime.UtcNow;
if (AmqpConstants.MaxAbsoluteExpiryTime - amqpMessage.Properties.CreationTime.Value > sbMessage.TimeToLive)
{
amqpMessage.Properties.AbsoluteExpiryTime = amqpMessage.Properties.CreationTime.Value + sbMessage.TimeToLive;
}
else
{
amqpMessage.Properties.AbsoluteExpiryTime = AmqpConstants.MaxAbsoluteExpiryTime;
}
}
else
{
if (sbMessage.AmqpMessage.Properties.CreationTime.HasValue)
{
amqpMessage.Properties.CreationTime = sbMessage.AmqpMessage.Properties.CreationTime.Value.UtcDateTime;
}
if (sbMessage.AmqpMessage.Properties.AbsoluteExpiryTime.HasValue)
{
amqpMessage.Properties.AbsoluteExpiryTime = sbMessage.AmqpMessage.Properties.AbsoluteExpiryTime.Value.UtcDateTime;
}
}
// message annotations
foreach (KeyValuePair <string, object> kvp in sbMessage.AmqpMessage.MessageAnnotations)
{
switch (kvp.Key)
{
case AmqpMessageConstants.ScheduledEnqueueTimeUtcName:
if ((sbMessage.ScheduledEnqueueTime != null) && sbMessage.ScheduledEnqueueTime > DateTimeOffset.MinValue)
{
amqpMessage.MessageAnnotations.Map.Add(AmqpMessageConstants.ScheduledEnqueueTimeUtcName, sbMessage.ScheduledEnqueueTime.UtcDateTime);
}
break;
case AmqpMessageConstants.PartitionKeyName:
if (sbMessage.PartitionKey != null)
{
amqpMessage.MessageAnnotations.Map.Add(AmqpMessageConstants.PartitionKeyName, sbMessage.PartitionKey);
}
break;
case AmqpMessageConstants.ViaPartitionKeyName:
if (sbMessage.TransactionPartitionKey != null)
{
amqpMessage.MessageAnnotations.Map.Add(AmqpMessageConstants.ViaPartitionKeyName, sbMessage.TransactionPartitionKey);
}
break;
default:
amqpMessage.MessageAnnotations.Map.Add(kvp.Key, kvp.Value);
break;
}
}
// application properties
if (sbMessage.ApplicationProperties != null && sbMessage.ApplicationProperties.Count > 0)
{
if (amqpMessage.ApplicationProperties == null)
{
amqpMessage.ApplicationProperties = new ApplicationProperties();
}
foreach (KeyValuePair <string, object> pair in sbMessage.ApplicationProperties)
{
if (TryGetAmqpObjectFromNetObject(pair.Value, MappingType.ApplicationProperty, out var amqpObject))
{
amqpMessage.ApplicationProperties.Map.Add(pair.Key, amqpObject);
}
else
{
throw new NotSupportedException(Resources.InvalidAmqpMessageProperty.FormatForUser(pair.Key.GetType()));
}
}
}
// delivery annotations
foreach (KeyValuePair <string, object> kvp in sbMessage.AmqpMessage.DeliveryAnnotations)
{
if (TryGetAmqpObjectFromNetObject(kvp.Value, MappingType.ApplicationProperty, out var amqpObject))
{
amqpMessage.DeliveryAnnotations.Map.Add(kvp.Key, amqpObject);
}
}
// header - except for ttl which is set above with the properties
if (sbMessage.AmqpMessage.Header.DeliveryCount != null)
{
amqpMessage.Header.DeliveryCount = sbMessage.AmqpMessage.Header.DeliveryCount;
}
if (sbMessage.AmqpMessage.Header.Durable != null)
{
amqpMessage.Header.Durable = sbMessage.AmqpMessage.Header.Durable;
}
if (sbMessage.AmqpMessage.Header.FirstAcquirer != null)
{
amqpMessage.Header.FirstAcquirer = sbMessage.AmqpMessage.Header.FirstAcquirer;
}
if (sbMessage.AmqpMessage.Header.Priority != null)
{
amqpMessage.Header.Priority = sbMessage.AmqpMessage.Header.Priority;
}
// footer
foreach (KeyValuePair <string, object> kvp in sbMessage.AmqpMessage.Footer)
{
amqpMessage.Footer.Map.Add(kvp.Key, kvp.Value);
}
return(amqpMessage);
}
public static void AsReadOnlyMemory_ToArray_Roundtrips(string input)
{
ReadOnlyMemory <char> m = input.AsReadOnlyMemory();
Assert.Equal(input, new string(m.ToArray()));
}
