/// <summary> /// Initializes a new instance of the <see cref="ConcurrentRequestExecutor"/> class with the specified /// connection and memory pool. /// </summary> /// <param name="connection">The <see cref="S7Connection"/> that is used for this executor.</param> /// <param name="memoryPool"> /// The <see cref="MemoryPool{T}" /> that is used for request and response memory allocations. /// </param> public ConcurrentRequestExecutor(S7Connection connection, MemoryPool <byte>?memoryPool = default) { if (connection.Parameters == null) { Sally7CommunicationSetupException.ThrowConnectionParametersNotSet(); } Connection = connection; socket = connection.TcpClient.Client; bufferSize = connection.Parameters.GetRequiredBufferSize(); maxRequests = connection.Parameters.MaximumNumberOfConcurrentRequests; this.memoryPool = memoryPool ?? MemoryPool <byte> .Shared; jobPool = new JobPool(connection.Parameters.MaximumNumberOfConcurrentRequests); sendSignal = new Signal(); receiveSignal = new Signal(); if (!sendSignal.TryInit()) { Sally7Exception.ThrowFailedToInitSendingSignal(); } if (!receiveSignal.TryInit()) { Sally7Exception.ThrowFailedToInitReceivingSignal(); } reader = new SocketTpktReader(socket); #if !NETSTANDARD2_1_OR_GREATER && !NET5_0_OR_GREATER sendAwaitable = new SocketAwaitable(new SocketAsyncEventArgs()); #endif }
private static Tsap GetDestinationTsap(CpuType cpuType, int?rack, int?slot) { switch (cpuType) { case CpuType.S7_200: return(new Tsap(0x10, 0x00)); case CpuType.S7_300: case CpuType.S7_400: case CpuType.S7_1200: case CpuType.S7_1500: if (rack == null) { Sally7CommunicationSetupException.ThrowDestinationRackIsNull(cpuType, rack); } if (slot == null) { Sally7CommunicationSetupException.ThrowDestinationSlotIsNull(cpuType, slot); } return(new Tsap(0x03, (byte)((rack.GetValueOrDefault() << 5) | slot.GetValueOrDefault()))); default: Sally7CommunicationSetupException.ThrowCpuTypeNotSupported(cpuType); return(default); // to make the compiler happy } }
private static Tsap GetSourceTsap(CpuType cpuType) { switch (cpuType) { case CpuType.S7_200: return(new Tsap(0x10, 0x00)); case CpuType.S7_300: case CpuType.S7_400: case CpuType.S7_1200: return(new Tsap(0x01, 0x00)); case CpuType.S7_1500: return(new Tsap(0x10, 0x02)); default: Sally7CommunicationSetupException.ThrowCpuTypeNotSupported(cpuType); return(default); // to make the compiler happy } }