// Write To Card
public static CISAResult CISACheck(KafkaMessage kmessage, NFC NFCDevice)
{
/* CISA DLL Testing */
CISAResult result = new CISAResult();
short rc = 0;
byte[] bufCard = new byte[400]; // 221
byte[] bufCardWavemode = new byte[400]; // 228
Csemks32.csdate csdateNow;
Csemks32.csdate csdateEnd;
Csemks32.cstime cstimeNow;
Csemks32.cstime cstimeEnd;
int secNow;
csdateNow.day_Renamed = 0;
csdateNow.month_Renamed = 0;
csdateNow.year_Renamed = 0;
cstimeNow.hours = 0;
cstimeNow.minutes = 0;
string serialnumberC2B = string.Format("{0,7}", ""); // 8 Chars fixed length string
serialnumberC2B = vbHelper.Hex2Bin(CardUID + "C15A13FF");
/* Calling CSEReadDateTime */
rc = CSEReadDateTime(ref csdateNow, ref cstimeNow, out secNow);
if (rc == Csemks32.CSE_SUCCESS)
{
Console.WriteLine("CSEReadDateTime OK");
Console.WriteLine("Now is {0}/{1}/{2} {3}:{4}:{5}", csdateNow.day_Renamed.ToString("D2"), csdateNow.month_Renamed.ToString("D2"), csdateNow.year_Renamed.YearCisa(), cstimeNow.hours.ToString("D2"), cstimeNow.minutes.ToString("D2"), secNow.ToString("D2"));
}
else
{
result.rc = CSELoadErrNo();
result.errordesc = "\"CSEReadDateTime - ErrNo " + result.rc + "\"";
Console.WriteLine("CSEReadDateTime Failed");
Console.WriteLine("ErrNo: " + result.rc.ToString());
return(result);
}
/* Calling CSECard2Buffer */
// 6 Chars fixed length strings
string accesstname1 = string.Format("{0,6}", (kmessage.payload.room != null) ? kmessage.payload.room : kmessage.payload.zone); // room/zone - first access target name
string accesstname2 = string.Format("{0,6}", (kmessage.payload.spaces != null && kmessage.payload.spaces.Count > 0) ? kmessage.payload.spaces[0] : ""); // spaces - second access target name
string accesstname3 = string.Format("{0,6}", (kmessage.payload.spaces != null && kmessage.payload.spaces.Count > 1) ? kmessage.payload.spaces[1] : ""); // spaces - third access target name
string accesstname4 = string.Format("{0,6}", (kmessage.payload.spaces != null && kmessage.payload.spaces.Count > 2) ? kmessage.payload.spaces[2] : ""); // spaces - fourth access target name
string accesstname5 = string.Format("{0,6}", (kmessage.payload.groups != null && kmessage.payload.groups.Count > 0) ? kmessage.payload.groups[0] : ""); // groups - category name
// string accesstname5 = string.Format("{0,6}", (kmessage.payload.groups != null && kmessage.payload.groups.Count > 0) ? "" : ""); // groups - category name // Pass "group" field value empty for testing purposes
Csemks32.card guestcard = new Csemks32.card();
if (kmessage.payload.room != null)
{
guestcard.cardtype = 0; // 0 - Guest Card
}
else
{
guestcard.cardtype = 4; // 4 - Staff Card
}
// Provisional data for testing
/*
* csdateEnd.year_Renamed = csdateNow.year_Renamed;
* csdateEnd.month_Renamed = csdateNow.month_Renamed;
* csdateEnd.day_Renamed = 30;
*/
DateTime endDate = Helpers.epoch2date(double.Parse(kmessage.payload.checkoutHours));
int endDateYear = Helpers.YearPC2Cisa(endDate.Year);
csdateEnd.year_Renamed = Convert.ToByte(sbyte.Parse(endDateYear.ToString().Substring(endDateYear.ToString().Length - 2)));
csdateEnd.month_Renamed = Convert.ToByte(sbyte.Parse(endDate.Month.ToString()));
csdateEnd.day_Renamed = Convert.ToByte(sbyte.Parse(endDate.Day.ToString()));
guestcard.accessid = kmessage.payload.accessId; // Guest/Employee name
guestcard.accesstime_Renamed.dateStart = csdateNow; // Checkin date
guestcard.accesstime_Renamed.dateEnd = csdateEnd; // Checkout date
guestcard.accesstime_Renamed.timeStart = cstimeNow; // checkin time
guestcard.accesstime_Renamed.timeEnd.hours = Convert.ToByte(sbyte.Parse(endDate.Hour.ToString())); // checkout hour
guestcard.accesstime_Renamed.timeEnd.minutes = Convert.ToByte(sbyte.Parse(endDate.Minute.ToString()));; // checkout minutes
guestcard.credits = 0; // credits
// Force null group
guestcard.accesstarget5.bed = 0;
guestcard.accesstarget5.id = 0;
guestcard.cardinfo_Renamed.icopy = 1;
guestcard.cardinfo_Renamed.ncopy = 1;
if (guestcard.cardtype == 4) // Staff
{
guestcard.fOvrPrivacy = 0;
}
else // Guest
{
guestcard.fOvrPrivacy = 1;
}
guestcard.fOffice = 0;
guestcard.fCardHistory = 0;
guestcard.nhoursvalid = 0;
if (guestcard.cardtype == 4)
{ // Staff's Card
/*
* guestcard.accesstime_Renamed.Initialize();
*
* guestcard.accesstime_Renamed.mtimeshift_Renamed[0] = new Csemks32.mtimeshift();
* guestcard.accesstime_Renamed.mtimeshift_Renamed[1] = new Csemks32.mtimeshift();
* guestcard.accesstime_Renamed.mtimeshift_Renamed[2] = new Csemks32.mtimeshift();
* guestcard.accesstime_Renamed.mtimeshift_Renamed[3] = new Csemks32.mtimeshift();
*
*
* guestcard.accesstime_Renamed.mtimeshift_Renamed[0].start1 = 0;
* guestcard.accesstime_Renamed.mtimeshift_Renamed[0].start2 = 0;
* guestcard.accesstime_Renamed.mtimeshift_Renamed[0].end1 = 95;
* guestcard.accesstime_Renamed.mtimeshift_Renamed[0].end2 = 0;
* guestcard.accesstime_Renamed.mtimeshift_Renamed[0].days = 255;
*/
}
rc = CSECard2Buffer(ref guestcard,
String.Format(accesstname1, "!@@@@@@"),
String.Format(accesstname2, "!@@@@@@"),
String.Format(accesstname3, "!@@@@@@"),
String.Format(accesstname4, "!@@@@@@"),
String.Format(accesstname5, "!@@@@@@"),
bufCard);
if (rc == Csemks32.CSE_SUCCESS)
{
Console.WriteLine("CSECard2Buffer OK");
Console.WriteLine(vbHelper.Ascii2Hex(bufCard));
}
else
{
result.rc = CSELoadErrNo();
result.errordesc = "\"CSECard2Buffer - ErrNo " + result.rc + "\"";
Console.WriteLine("CSECard2Buffer Failed");
Console.WriteLine("ErrNo: " + result.rc.ToString());
return(result);
}
/* Calling CSEWaveModeEncode */
const byte IRversion = 1;
rc = CSEWaveModeEncode(bufCard, serialnumberC2B, IRversion, bufCardWavemode);
if (rc == Csemks32.CSE_SUCCESS)
{
Console.WriteLine("CSEWaveModeEncode OK");
Console.WriteLine("* bufCardWavemode Content: " + bufCardWavemode);
Console.WriteLine("* bufCardWavemode Lenght: " + bufCardWavemode.Length);
Console.WriteLine("* HOTEL File Lenght: " + vbHelper.MidVB(vbHelper.Ascii2Hex(bufCardWavemode), 1, 32 * 2).Length);
Console.WriteLine("* HOTEL FILE: " + vbHelper.MidVB(vbHelper.Ascii2Hex(bufCardWavemode), 1, 32 * 2));
Console.WriteLine("* HOTEL FILE: " + Helpers.Mid(bufCardWavemode.Ascii2Hex(), 1, 32 * 2));
Console.WriteLine("* KEYPLAN File Lenght: " + vbHelper.MidVB(vbHelper.Ascii2Hex(bufCardWavemode), 32 * 2 + 1, 188 * 2).Length);
Console.WriteLine("* KEYPLAN FILE: " + vbHelper.MidVB(vbHelper.Ascii2Hex(bufCardWavemode), 32 * 2 + 1, 188 * 2));
Console.WriteLine("* KEYPLAN FILE: " + Helpers.Mid(bufCardWavemode.Ascii2Hex(), 32 * 2 + 1, 188 * 2));
if (NFCDevice.connectCard())// establish connection to the card: you've declared this from previous post
{
Console.WriteLine("Writing to Card ...");
NFCDevice.writeHotelFile(vbHelper.MidVB(vbHelper.Ascii2Hex(bufCardWavemode), 1, 36 * 2)); // Write Hotel File - 36 bytes
NFCDevice.writeKeyplanFile(vbHelper.MidVB(vbHelper.Ascii2Hex(bufCardWavemode), 36 * 2 + 1, 192 * 2)); // Write Keyplan File - 192 bytes
NFCDevice.Close();
}
else
{
Console.WriteLine("Card not availale.");
result.rc = -1;
result.errordesc = "\"Writing card failed - Card not availale.\"";
return(result);
}
}
else
{
result.rc = CSELoadErrNo();
result.errordesc = "\"CSEWaveModeEncode Failed - ErrNo " + result.rc + "\"";
Console.WriteLine("CSEWaveModeEncode Failed");
Console.WriteLine("ErrNo: " + result.rc.ToString());
return(result);
}
return(result);
}
// Read From Card
public static CardData CISAReadCard(NFC NFCDevice)
{
/* CISA DLL Testing */
CardData cardData = new CardData();
string hotelFile, keyplanFile;
short rc = 0;
string serialnumberC2B = string.Format("{0,7}", ""); // 8 Chars fixed length string
serialnumberC2B = vbHelper.Hex2Bin(CardUID + "C15A13FF");
byte[] bufCard = new byte[400]; // 221
byte[] bufCardWavemode = new byte[400]; // 228
string accesstname1Read = string.Format("{0,6}", ""); // room/zone - first access target name
string accesstname2Read = string.Format("{0,6}", ""); // spaces - second access target name
string accesstname3Read = string.Format("{0,6}", ""); // spaces - third access target name
string accesstname4Read = string.Format("{0,6}", ""); // spaces - fourth access target name
string accesstname5Read = string.Format("{0,6}", ""); // groups - category name
string warning = "";
Csemks32.card guestcard = new Csemks32.card();
if (NFCDevice.connectCard())// establish connection to the card
{
Console.WriteLine("Reading from Card ...");
hotelFile = NFCDevice.readHotelFile(); // Read Hotel File - 36 bytes
keyplanFile = NFCDevice.readKeyplanFile(); // Read Keyplan File - 192 bytes
NFCDevice.Close();
// Console.WriteLine("* HOTEL FILE: " + vbHelper.Ascii2Hex(Encoding.ASCII.GetBytes(hotelFile)));
// Console.WriteLine("* KEYPLAN FILE: " + vbHelper.Ascii2Hex(Encoding.ASCII.GetBytes(keyplanFile)));
Console.WriteLine("* HOTEL FILE: " + hotelFile);
Console.WriteLine("* KEYPLAN FILE: " + keyplanFile);
string bufCardWavemodeStr = hotelFile + keyplanFile;
bufCardWavemode = (byte[])Helpers.Hex2Byte(bufCardWavemodeStr);
rc = CSEWaveModeDecode(bufCardWavemode, serialnumberC2B, bufCard); // We are getting bufCardWavemode value reading the card via NFC
if (rc == Csemks32.CSE_SUCCESS)
{
rc = CSEBuffer2Card(bufCard, accesstname1Read, accesstname2Read, accesstname3Read, accesstname4Read, accesstname5Read, ref guestcard, warning);
if (rc == Csemks32.CSE_SUCCESS)
{
Console.WriteLine("Card readed correctly");
cardData.result.rc = 0; // Reading Result Successful = Csemks32.CSE_SUCCESS
// checkoutHours: get param from guestcard.accesstime_Renamed variable
string codateYear = DateTime.Now.Year.ToString().Substring(0, 2) + Helpers.YearCisa(guestcard.accesstime_Renamed.dateEnd.year_Renamed); // Checkout date (year)
int codateMonth = (int)guestcard.accesstime_Renamed.dateEnd.month_Renamed; // Checkout date (month)
int codateDay = (int)guestcard.accesstime_Renamed.dateEnd.day_Renamed; // Checkout date (day)
int codateHour = (int)guestcard.accesstime_Renamed.timeEnd.hours; // Checkout date (hour)
int codateMinutes = (int)guestcard.accesstime_Renamed.timeEnd.minutes; // Checkout date (minutes)
DateTime checkoutDate = DateTime.ParseExact(codateYear + "-" + codateMonth.ToString("00") + "-" + codateDay.ToString("00") + " " + codateHour.ToString("00") + ":" + codateMinutes.ToString("00") + ":00", "yyyy-MM-dd HH:mm:ss",
System.Globalization.CultureInfo.InvariantCulture);
cardData.message.payload.checkoutHours = Helpers.date2epoch(checkoutDate);
// Read room/zone
if (guestcard.cardtype > 0) // Staff
{
cardData.message.payload.zone = CISAReadAccessTargetZone(guestcard.accesstarget1); // Read zone
cardData.message.payload.room = null;
cardData.message.payload.accessId = "Staff name"; // The Staff name is not physically written on the card, so it cannot be returned.
}
else // Guest
{
cardData.message.payload.room = CISAReadAccessTargetLock(guestcard.accesstarget1); // Read room
cardData.message.payload.zone = null;
cardData.message.payload.accessId = "Guest name"; // The Guest name is not physically written on the card, so it cannot be returned.
}
// Try to Get "Guest/Staff member" name
// nCard parameter -> guestcard.cardinfo_Renamed.ncard;
// Function to call -> rc = CSESearchCard(ref guestcardOp, ref guestcardRead, ref cardSearch);
Csemks32.card guestcardRead = new Csemks32.card();
Csemks32.card guestcardOp = new Csemks32.card();
Csemks32.cardsearch cardSearch = new Csemks32.cardsearch();
cardSearch.ncard = guestcard.cardinfo_Renamed.ncard;
//byte[] bufCardop = new byte[600]; // 221
//byte[] bufCard = new byte[600]; // 221
rc = CSESearchCard(ref guestcardOp, ref guestcardRead, ref cardSearch);
if (rc == Csemks32.CSE_SUCCESS)
{
string name = guestcardRead.accessid;
cardData.message.payload.accessId = name; // Set "guest/staff member" name
// DateTime dtStart = Helpers.csdt2Dt(guestcardRead.accesstime_Renamed.dateStart, guestcardRead.accesstime_Renamed.timeStart);
// DateTime dtEnd = Helpers.csdt2Dt(guestcardRead.accesstime_Renamed.dateEnd, guestcardRead.accesstime_Renamed.timeEnd);
//Console.WriteLine("Card info: " + string.Format("ncard:{0} name:{1} start:{2} End:{3}\n", guestcardRead.cardinfo_Renamed.ncard, name, dtStart, dtEnd));
}
else
{
cardData.result.rc = CSELoadErrNo();
cardData.result.errordesc = "\"CSESearchCard - ErrNo " + cardData.result.rc + "\"";
Console.WriteLine("CSESearchCard Failed");
Console.WriteLine("ErrNo: " + cardData.result.rc.ToString());
}
// End Get "Guest/Staff member" name
// Read extra spaces
List <string> spaces = new List <string>();
if (guestcard.accesstarget2.bed != 0) // Check if extraSpace is not empty (bed = 0)
{
string space1 = CISAReadAccessTargetLock(guestcard.accesstarget2);
spaces.Add(space1);
}
if (guestcard.accesstarget3.bed != 0) // Check if extraSpace is not empty (bed = 0)
{
string space2 = CISAReadAccessTargetLock(guestcard.accesstarget3);
spaces.Add(space2);
}
if (guestcard.accesstarget4.bed != 0) // Check if extraSpace is not empty (bed = 0)
{
string space3 = CISAReadAccessTargetLock(guestcard.accesstarget4);
spaces.Add(space3);
}
cardData.message.payload.spaces = spaces; // new List<string>(new string[] { "espace1", "espace2" });
// Read groups
List <string> groups = new List <string>();
if (guestcard.accesstarget5.bed != 0) // Check if group is not empty (bed = 0)
{
string group1 = CISAReadAccessTargetLock(guestcard.accesstarget5);
groups.Add(group1);
}
cardData.message.payload.groups = groups; // new List<string>(new string[] { "group1", "group2" });
}
else
{
cardData.result.rc = CSELoadErrNo();
cardData.result.errordesc = "\"CSEBuffer2Card - ErrNo " + cardData.result.rc + "\"";
Console.WriteLine("CSEBuffer2Card Failed");
Console.WriteLine("ErrNo: " + cardData.result.rc.ToString());
}
}
else
{
cardData.result.rc = CSELoadErrNo();
cardData.result.errordesc = "\"CSEWaveModeDecode Failed - ErrNo " + cardData.result.rc + "\"";
Console.WriteLine("CSEWaveModeDecode Failed");
Console.WriteLine("ErrNo: " + cardData.result.rc.ToString());
}
}
else
{
Console.WriteLine("Card not availale.");
cardData.result.rc = -1;
cardData.result.errordesc = "\"Reading card failed - Card not availale.\"";
}
return(cardData);
}
public static void Main(string[] args)
{
string encoderID = Properties.Settings.Default.EncoderId;
Console.WriteLine("Sarting up application.");
Console.WriteLine("EncoderID: " + encoderID);
Helpers.WriteLog("Starting up application.");
/* Reading App Configuration Values */
string bootstrapServers = Properties.Settings.Default.BootstrapServers;
int autoOffsetReset = Properties.Settings.Default.AutoOffsetReset;
var jsonsettings = new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
MissingMemberHandling = MissingMemberHandling.Ignore,
DefaultValueHandling = DefaultValueHandling.Ignore
};
// Preparing NFC Device
NFC NFCDevice = new NFC();
NFCDevice.SelectDevice();
NFCDevice.establishContext();
if (NFCDevice.connectCard())
{
//Console.WriteLine("Card UID bytes lenght: " + System.Text.ASCIIEncoding.ASCII.GetByteCount(NFCDevice.getcardUID());
CardUID = NFCDevice.getcardUID();
//CardUID = "C15A13FF" + NFCDevice.getcardUID(); // Mifare Classic cards have a 4-byte UID, which must be padded with 0xC15A13FF to reach an 8-byte length
Console.WriteLine("Card UID: " + CardUID);
}
// Keep the console window open in debug mode.
//Console.WriteLine("Press any key to exit.");
//Console.ReadKey();
//Kafka Consumer
Random rand = new Random();
int rvalue = rand.Next(1000);
kafkaTopics = new List <string>()
{
"write_request", "read_request", "card_readers_request"
};
KafkaMessage kmessage;
Action <DeliveryReport <Null, string> > handler = r =>
Console.WriteLine(!r.Error.IsError
? $"Delivered message to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
var confC = new ConsumerConfig
{
GroupId = "testingCISA" + rvalue.ToString("000"),
BootstrapServers = bootstrapServers,
AutoOffsetReset = AutoOffsetReset.Latest // By default 1 == AutoOffsetResetType.Earliest
//SecurityProtocol = SecurityProtocolType.Sasl_Plaintext,
//SaslMechanism = SaslMechanismType.ScramSha256,
//SaslPassword = "******",
//SaslUsername = "******",
//
// Note: The AutoOffsetReset property determines the start offset in the event
// there are not yet any committed offsets for the consumer group for the
// topic/partitions of interest. By default, offsets are committed
// automatically, so in this example, consumption will only start from the
// earliest message in the topic 'write_request' the first time you run the program.
};
using (var c = new ConsumerBuilder <Ignore, string>(confC).Build())
{
c.Subscribe(kafkaTopics);
bool consuming = true;
// The client will automatically recover from non-fatal errors. You typically
// don't need to take any action unless an error is marked as fatal.
//c.OnError += (_, e) => consuming = !e.IsFatal;
// Raised on critical errors, e.g. connection failures or all brokers down.
CancellationTokenSource cts = new CancellationTokenSource();
Console.CancelKeyPress += (_, e) => {
e.Cancel = true; // prevent the process from terminating.
cts.Cancel();
};
/*
* c.OnError += (_, error)
* =>
* {
* Console.WriteLine($"Kafka error occured: {error.Reason}");
* Helpers.WriteLog($"Kafka error occured: {error.Reason}");
* consuming = !error.IsFatal;
* };*/
while (consuming)
{
try
{
var cr = c.Consume();
var p = new ProducerBuilder <Null, string>(confC).Build();
string resultmessage = "";
var Topic = cr.Topic;
if (cr.Value.IsValidJSON())
{
if (cr.Topic == "write_request")
{ // Write Request
kmessage = JsonConvert.DeserializeObject <KafkaMessage>(cr.Value, jsonsettings);
if (kmessage.payload.accessType == "CISA" && kmessage.payload.deviceId == encoderID)
{ // Only Kafka messages tagged with "CISA" accessType are processed
string spaces = (kmessage.payload.spaces != null ? string.Join(",", kmessage.payload.spaces) : null);
string groups = (kmessage.payload.groups != null ? string.Join(",", kmessage.payload.groups) : null);
Console.WriteLine($"Code: '{kmessage.code}' Guest/Staff: '{kmessage.payload.accessId}' Room: '{kmessage.payload.room}' Zone: '{kmessage.payload.zone}' spaces: '{spaces}' Groups: '{groups}' at: '{cr.TopicPartitionOffset}'.");
Helpers.WriteLog($"Consumed message '{cr.Value}' at: '{cr.TopicPartitionOffset}'.");
CISAResult result = CISACheck(kmessage, NFCDevice);
if (result.rc == Csemks32.CSE_SUCCESS)
{
resultmessage = "{\"code\":\"write_result\",\"payload\":{\"id\":" + kmessage.payload.id + "}}";
}
else
{
resultmessage = "{\"code\":\"write_result\",\"payload\":{\"id\":" + kmessage.payload.id + ",\"error\":" + result.errordesc.ToString() + "}}";
}
p.Produce("write_result", new Message <Null, string> {
Value = resultmessage
}, handler);
p.Flush(TimeSpan.FromSeconds(1));
Helpers.WriteLog($"Response '{resultmessage}' sent to write_result topic.");
Console.WriteLine($"Response '{resultmessage}' sent to write_result topic.");
}
}
if (cr.Topic == "read_request")
{ // Read Request
kmessage = JsonConvert.DeserializeObject <KafkaMessage>(cr.Value, jsonsettings);
if (kmessage.payload.accessType == "CISA" && kmessage.payload.deviceId == encoderID)
{ // Only Kafka messages tagged with "CISA" accessType are processed
CardData cardData = CISAReadCard(NFCDevice);
if (cardData.result.rc == Csemks32.CSE_SUCCESS)
{
string spaces = null;
string groups = null;
if (cardData.message.payload.spaces != null)
{
for (var i = 0; i < cardData.message.payload.spaces.Count; i++)
{
spaces = spaces + "\"" + cardData.message.payload.spaces[i] + "\"";
if (i != cardData.message.payload.spaces.Count - 1)
{
spaces = spaces + ","; // separator
}
}
}
if (cardData.message.payload.groups != null)
{
for (var i = 0; i < cardData.message.payload.groups.Count; i++)
{
groups = groups + "\"" + cardData.message.payload.groups[i] + "\"";
if (i != cardData.message.payload.groups.Count - 1)
{
groups = groups + ","; // separator
}
}
}
resultmessage = "{\"code\":\"read_card_result\",\"payload\":{\"id\":" + kmessage.payload.id + ",\"accessType\":\"CISA\",\"deviceId\":\"" + kmessage.payload.deviceId + "\",\"guestName\":\"" + cardData.message.payload.accessId + "\",\"addressType\":null,\"checkoutHours\":" + (!String.IsNullOrEmpty(cardData.message.payload.checkoutHours) ? "\"" + cardData.message.payload.checkoutHours + "\"" : "null") + ",\"spaces\":" + (spaces != null ? "[" + spaces + "]" : "null") + ",\"groups\":" + ((groups) != null ? "[" + groups + "]" : "null") + ",\"hotelName\":null,\"mac\":null,\"room\":" + (!String.IsNullOrEmpty(cardData.message.payload.room) ? "\"" + cardData.message.payload.room + "\"" : "null") + ",\"zone\":" + (cardData.message.payload.zone != null ? "\"" + cardData.message.payload.zone + "\"" : "null") + "}}";
}
else
{
resultmessage = "{\"code\":\"read_card_result\",\"payload\":{\"id\":" + kmessage.payload.id + ",\"error\":" + cardData.result.errordesc.ToString() + "}}";
}
p.Produce("read_card_result", new Message <Null, string> {
Value = resultmessage
}, handler);
p.Flush(TimeSpan.FromSeconds(1));
Helpers.WriteLog($"Response '{resultmessage}' sent to read_card_result topic.");
Console.WriteLine($"Response '{resultmessage}' sent to read_card_result topic.");
}
}
if (cr.Topic == "card_readers_request")
{ // Card Reader Request
kmessage = JsonConvert.DeserializeObject <KafkaMessage>(cr.Value, jsonsettings);
if (kmessage.payload.id != null)
{
resultmessage = "{\"code\":\"card_readers_result\",\"payload\":{\"id\":" + kmessage.payload.id + ",\"deviceId\":\"" + encoderID + "\",\"type\":\"CISA\"}}";
p.Produce("card_readers_result", new Message <Null, string> {
Value = resultmessage
}, handler);
p.Flush(TimeSpan.FromSeconds(1));
Helpers.WriteLog($"Response '{resultmessage}' sent to card_readers_result topic.");
Console.WriteLine($"Response '{resultmessage}' sent to card_readers_result topic.");
}
}
}
else
{
Console.WriteLine($"ERROR Invalid JSON format - Consumed message '{cr.Value}' at: '{cr.TopicPartitionOffset}'.");
Helpers.WriteLog($"ERROR Invalid JSON format - Consumed message '{cr.Value}' at: '{cr.TopicPartitionOffset}'.");
}
}
catch (ConsumeException e)
{
Console.WriteLine($"Error occured: {e.Error.Reason}");
Helpers.WriteLog($"Error occured: {e.Error.Reason}");
}
}
// Ensure the consumer leaves the group cleanly and final offsets are committed.
c.Close();
}
//KAFKA
}