/// <summary> /// Get payoad from PDU by tag type and request ID. /// </summary> /// <param name="pdu"></param> /// <param name="tagType"></param> /// <param name="requestId"></param> /// <returns></returns> private static PduPayload GetPayload(Pdu pdu, uint tagType, ulong?requestId) { foreach (PduPayload payload in pdu.Payloads) { if (payload.Type == tagType) { if (!requestId.HasValue) { return(payload); } RequestResponsePayload responsePayload = payload as RequestResponsePayload; if (responsePayload != null && responsePayload.RequestId == requestId) { return(payload); } } } return(null); }
/// <summary> /// Parse KSI service response. /// </summary> /// <param name="data">Response byte array</param> /// <param name="requestId">Request ID</param> /// <returns></returns> public PduPayload Parse(byte[] data, ulong?requestId = null) { if (data == null) { throw new ArgumentNullException(nameof(data)); } RawTag rawTag = null; Pdu pdu = null; LegacyPdu legacyPdu = null; try { using (TlvReader reader = new TlvReader(new MemoryStream(data))) { rawTag = new RawTag(reader.ReadTag()); } if (rawTag.Type == GetPduTagType(false)) { if (_pduVersion == PduVersion.v1) { throw new KsiServiceUnexpectedResponseFormatException("Received PDU v2 response to PDU v1 request. Configure the SDK to use PDU v2 format."); } pdu = GetPdu(rawTag); } else if (rawTag.Type == GetPduTagType(true)) { if (_pduVersion == PduVersion.v2) { if (!IsLegacyRequestSupported()) { throw new KsiServiceUnexpectedResponseFormatException("Received PDU v1 response to PDU v2 request."); } throw new KsiServiceUnexpectedResponseFormatException("Received PDU v1 response to PDU v2 request. Configure the SDK to use PDU v1 format."); } legacyPdu = GetLegacyPdu(rawTag); } else { throw new KsiServiceException("Unknown response PDU tag type: " + rawTag.Type.ToString("X")); } if (legacyPdu != null) { return(GetLegacyResponsePayload(legacyPdu, requestId)); } else { CheckAggregatorConfigChange(pdu); CheckExtenderConfigChange(pdu); return(GetResponsePayload(data, pdu, requestId)); } } catch (TlvException e) { KsiException ksiException = new KsiServiceException("Could not parse response message: " + Base16.Encode(data), e); if (requestId.HasValue) { Logger.Warn("Request failed (request id: {0}): {1}", requestId, ksiException); } else { Logger.Warn("Request failed: {0}", ksiException); } throw ksiException; } catch (KsiException e) { if (requestId.HasValue) { Logger.Warn("Request failed (request id: {0}){1}{2}{1}PDU:{1}{3}", requestId, Environment.NewLine, e, legacyPdu ?? pdu ?? (ITlvTag)rawTag); } else { Logger.Warn("Request failed.{0}{1}{0}PDU:{0}{2}", Environment.NewLine, e, legacyPdu ?? pdu ?? (ITlvTag)rawTag); } throw; } }