// метода се извиква при всяко запитване на конектнатия клиент
public byte[] ProccessRequest(byte[] message)
{
//извличане на входните данни
var splittedMessage = SplitByteArray(message, 0x1F).ToArray();
if (splittedMessage.Count() == 0)
{
return new byte[] { 0x45, 0x52, 0x52, 0x4F, 0x52 }
}
; //ERROR
// how many tokens
int tokensCount = splittedMessage.GetLength(0);
// command
string cmd = tokensCount >= 1 ? new string(
splittedMessage[0]
.Where(b => b != 0x1F && b != 0x1E) // except: 0x1F - unit separator char(31), 0x1E - record separator char(30)
.Select(b => (char)b)
.ToArray()) : string.Empty;
if (cmd.Equals("RG", StringComparison.InvariantCultureIgnoreCase))
{
CanPlayRequest request = CanPlayRequest.DeserializeASCII(splittedMessage);
_logger.LogInformation(System.Text.Json.JsonSerializer.Serialize(request));
Proto.CanPlayRequest proto_request = request.ToProtoCanPlayRequest();
CanPlayResponse response;
try
{
Proto.CanPlayResponse proto_response = _cardService.CanPlayAsync(proto_request).Result;
if (proto_response != null)
{
response = CanPlayResponse.FromProtoCanPlayResponse(proto_response);
}
else
{
response = new CanPlayResponse {
Success = false, MessageLine1 = "Err 109", MessageLine2 = "Internal server"
};
_logger.LogError("TextMessageService.ProccessRequest => Proto.CanPlayResponse is null");
}
}
catch (Exception ex)
{
response = new CanPlayResponse {
Success = false, MessageLine1 = "Err 109", MessageLine2 = "Internal server"
};
_logger.LogError($"TextMessageService.ProccessRequest throws: {ex}");
}
_logger.LogInformation(System.Text.Json.JsonSerializer.Serialize(response));
return(response.SerializeASCII());
}
else if (cmd.Equals("RP", StringComparison.InvariantCultureIgnoreCase))
{
ServicePriceRequest request = ServicePriceRequest.DeserializeASCII(splittedMessage);
_logger.LogInformation(System.Text.Json.JsonSerializer.Serialize(request));
Proto.ServicePriceRequest proto_request = request.ToProtoServicePriceRequest();
ServicePriceResponse response;
try
{
Proto.ServicePriceResponse proto_response = _cardService.ServicePriceAsync(proto_request).Result;
if (proto_response != null)
{
response = ServicePriceResponse.FromProtoServicePriceResponse(proto_response);
}
else
{
response = new ServicePriceResponse {
Success = false, MessageLine1 = "Err 109", MessageLine2 = "Internal server"
};
_logger.LogError("TextMessageService.ProccessRequest => Proto.ServicePriceRequest is null");
}
}
catch (Exception ex)
{
response = new ServicePriceResponse {
Success = false, MessageLine1 = "Err 109", MessageLine2 = "Internal server"
};
_logger.LogError($"TextMessageService.ProccessRequest throws: {ex}");
}
_logger.LogInformation(System.Text.Json.JsonSerializer.Serialize(response));
return(response.SerializeASCII());
}
else if (cmd.Equals("T", StringComparison.InvariantCultureIgnoreCase))
{
return(Encoding.ASCII.GetBytes($"{DateTime.Now:dd.MM.yyyy HH:mm}\x1E"));
}
else
{
return(Encoding.ASCII.GetBytes($"{DateTime.Now:dd.MM.yyyy HH:mm}\x1E"));
}
}
private void OnHoldingRegistersChanged(UInt16 register, UInt16 numberOfHoldingRegisters)
{
Int16[] resultBuffer;
int gRPCId = -1; //число, идентификатор на извикваната процедура
string concentratorId; //4 UTF16 символа, ляво допълнени с '0'
string controllerId; //8 UTF16 символа, ляво допълнени с '0'
string cardType; //2 UTF16 символа, ляво допълнени с '0'
string cardId; //16 UTF16 символа, ляво допълнени с '0'
int endpointRssi; //число от 0 до 255
int concentratorRssi; //число от 0 до 255
StringBuilder sb = new StringBuilder();
/************************************************************************
* 1. извличане на данните от HoldingRegisters
*************************************************************************/
#region 1
// 1.0 идентификатор на извикваната процедура. определя се от ранга на адреса на 1-вия регистър (40001-49999; 0x9C41-0xC34F)
//Can play
if (register == 40001)
{
gRPCId = 1; //40001(0x9C41); 128 регистъра x16
}
else if (register == 40127)
{
gRPCId = 2; //40001(0x9C41) + 128(0x0080) - 2 = 40127(0x9CBF); 128 регистъра x16
}
else if (register == 40255)
{
gRPCId = 3; //40001(0x9C41) + 256(0x0100) - 2 = 40255(0x9D3F); 128 регистъра x16
}
else if (register == 40383)
{
gRPCId = 4; //40001(0x9C41) + 384(0x0180) - 2 = 40383(0x9DBF); 128 регистъра x16
}
// 1.1 идентификатор на концентратора - 4 регистъра x16
for (UInt16 i = 0; i <= 3; i++)
{
sb.Append(Convert.ToChar(
_modbusSlave.HoldingRegisters[(UInt16)(register + i)]));
}
#region OLD
//sb.Append(
// Encoding.UTF8.GetString(
// BitConverter.GetBytes(
// _modbusSlave.HoldingRegisters[(UInt16)(register + i)])));
#endregion
concentratorId = sb.ToString();
sb.Clear();
// 1.2 идентификатор на контролера - 8 регистъра x16
for (UInt16 i = 4; i <= 11; i++)
{
sb.Append(Convert.ToChar(
_modbusSlave.HoldingRegisters[(UInt16)(register + i)]));
}
controllerId = sb.ToString();
sb.Clear();
// 1.3 тип на картата - 1 регистър x16
cardType = Convert.ToChar(
_modbusSlave.HoldingRegisters[(UInt16)(register + 12)]).ToString();
// 1.4 идентификатор на картата - 16 регистъра x16
for (UInt16 i = 14; i <= 29; i++)
{
sb.Append(Convert.ToChar(
_modbusSlave.HoldingRegisters[(UInt16)(register + i)]));
}
cardId = sb.ToString();
sb.Clear();
// 1.5 endpointRssi и concentratorRssi - Hi byte и Lo byte в последния регистър x16
byte[] b2 = BitConverter.GetBytes(
_modbusSlave.HoldingRegisters[(UInt16)(register + numberOfHoldingRegisters - 1)]);
endpointRssi = b2[0]; //Hi byte
concentratorRssi = b2[1]; //Lo byte
#endregion
/************************************************************************
* 2. анализ и обработка на данните, извикване на gRPC процедурите и получаване на резултата от тях
*************************************************************************/
#region 2
//Can play
if (gRPCId == 1)
{
resultBuffer = new Int16[numberOfHoldingRegisters + 20]; // !!! Да се увеличи с толкова колкото са необходими за CanPlayResponse
Proto.CanPlayResponse response;
if (_cardService == null)
{
response = new Proto.CanPlayResponse();
{
response.Time = DateTime.Now;
response.TransactionId = 1; // get as parameter
response.ConcentratorId = concentratorId;
response.ControllerId = controllerId;
response.CardType = cardType.Length > 1 ? int.Parse(cardType.TrimStart('0')) : int.Parse(cardType);
response.CardId = cardId;
response.CardNumber = string.Empty;
response.Permission = false;
response.DisplayLine1 = "ERROR";
response.DisplayLine2 = "Service unavailable";
};
}
else
{
var request = new Proto.CanPlayRequest();
request.Time = DateTime.Now;
request.TransactionId = 1;// get as parameter
request.ConcentratorId = concentratorId;
request.ControllerId = controllerId;
request.CardType = cardType.Length > 1 ? int.Parse(cardType.TrimStart('0')) : int.Parse(cardType);
request.CardId = cardId;
request.ShouldPay = false;
request.EndpointRssi = endpointRssi;
request.ConcentratorRssi = concentratorRssi;
response = _cardService.CanPlayAsync(request).Result;
}
// Fill resultBuffer from CanPlayResponse
int ix = 0;
// 2.1 идентификатор на концентратора - 4 регистъра x16
foreach (char c in response.ConcentratorId.PadLeft(4, '0'))
{
resultBuffer[ix] = Convert.ToInt16(c);
ix++;
}
// 2.2 идентификатор на контролера - 8 регистъра x16
foreach (char c in response.ControllerId.PadLeft(8, '0'))
{
resultBuffer[ix] = Convert.ToInt16(c);
ix++;
}
// 2.3 тип на картата - 1 регистър x16
if (response.CardType <= 9)
{
resultBuffer[ix] = Convert.ToInt16(Convert.ToChar(response.CardType));
}
else
{
resultBuffer[ix] = (short)0;
}
ix++;
// 2.4 идентификатор на картата - 16 регистъра x16
foreach (char c in response.CardId.PadLeft(16, '0'))
{
resultBuffer[ix] = Convert.ToInt16(c);
ix++;
}
// 2.5 резултат - 1 регистър x16
resultBuffer[ix] = response.Permission ? (short)1 : (short)0;
}
else
{
resultBuffer = new Int16[numberOfHoldingRegisters];
}
#endregion
/************************************************************************
* 3. прехвърляне на резултатните данни в InputRegisters
*************************************************************************/
#region 3
UInt16 firstInputRegister = 30001; //30001-39999
if (gRPCId == 1)
{
firstInputRegister = 30001; //30001(0x7531); 2048 регистъра x16
}
else if (gRPCId == 2)
{
firstInputRegister = 32047; //30001(0x7531) + 2048(0x0800) - 2 = 32047(0x7D2F); 2048 регистъра x16
}
else if (gRPCId == 3)
{
firstInputRegister = 34095; //30001(0x7531) + 4096(0x1000) - 2 = 34095(0X852F); 2048 регистъра x16
}
else if (gRPCId == 4)
{
firstInputRegister = 36143; //30001(0x7531) + 6144(0x1800) - 2 = 36143(0x8D2F); 2048 регистъра x16
}
for (var i = 0; i < resultBuffer.Length; i++)
{
_modbusSlave.InputRegisters[unchecked ((UInt16)(firstInputRegister + i))] = resultBuffer[i];
}
#endregion
/************************************************************************
* 4. нулиране на HoldingRegisters
*************************************************************************/
#region 4
_modbusSlave.ClearHoldingRegisters();
#endregion
}
