/// <summary>
/// Parses a UnitInfoMessage for any zone data.
/// </summary>
/// <param name="message"></param>
private void ProcessUnitInfoMessage(UnitInfoMessage message)
{
SortedList <string, string> variables = message.Variables;
Regex regexParse;
string match;
int zoneId;
Zone zone;
// Check if we need get zone names
if (_isInitialUnitInfoMessage && variables != null)
{
_isInitialUnitInfoMessage = false;
// Check if this message pertains to security
if (variables.ContainsKey("name") && variables["name"] == "Security")
{
regexParse = new Regex(@"T\.(?<Zone>(?:[2-9]|1[0-6]|1))");
// Loop for all zone names
foreach (string key in variables.Keys)
{
match = regexParse.Match(key).Groups["Zone"].Value;
if (int.TryParse(match, out zoneId))
{
zone = _zones[zoneId - 1];
zone.Name = variables[key];
}
} // for each
} // if name == Security
} // if(variables != null)
}
/// <summary>
/// Raises the UnitInfoMessageReceived event.
/// </summary>
/// <param name="message">Message data object.</param>
protected void OnUnitInfoMessageReceived(UnitInfoMessage message)
{
if (UnitInfoMessageReceived != null)
{
UnitInfoMessageReceived(this, new UnitInfoMessageReceivedEventArgs(message));
} // if(UnitInfoMessageReceived != null)
}
/// <summary>
/// Initializes a new instance of the UnitInfoMessageReceivedEventArgs class.
/// </summary>
/// <param name="message">The value for the Message property.</param>
/// <exception cref="ArgumentNullException">message cannot be null.</exception>
public UnitInfoMessageReceivedEventArgs(UnitInfoMessage message)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
this.Message = message;
}
private void ProcessUnitInfoPacket(byte[] data)
{
UnitInfoMessage message;
Int32 ipTemp;
IPAddress ipAddress;
PhysicalAddress macAddress;
int length;
string dataString;
string[] rawVariables;
string key;
string value;
SortedList <string, string> variables = new SortedList <string, string>();
// Check for minimum valid data length
if (data.Length >= 48)
{
try
{
ipTemp = BitConverter.ToInt32(data, 20);
ipAddress = new IPAddress(ipTemp);
byte[] mac = { data[28], data[29], data[30], data[31], data[32] };
macAddress = new PhysicalAddress(mac);
// Get the data length
length = ToUInt16(data, 12);
// Make sure the data packet actually has this amount of data
if (data.Length == length + 52)
{
// Get the contained text
dataString = Encoding.ASCII.GetString(data, 52, length);
// Split into an array
rawVariables = dataString.Split((char)0x0A);
foreach (string item in rawVariables)
{
if (item.Contains("="))
{
key = item.Substring(0, item.IndexOf("=", StringComparison.Ordinal));
value = item.Substring(item.IndexOf("=", StringComparison.Ordinal) + 1);
variables.Add(key, value);
} // if(dataString.Contains("="))
} // foreach item
message = new UnitInfoMessage
{
IPAddress = ipAddress,
MacAddress = macAddress,
Checksum = ToUInt16(data, 8),
Variables = variables
};
// Process the message internally for data we need
ProcessUnitInfoMessage(message);
// Raise an event
OnUnitInfoMessageReceived(message);
} // if (data.Length == length + 52)
} // try
catch (Exception ex)
{
Debug.WriteLine("ProcessUnitInfoPacket(): " + ex, "SecurityModule");
} // catch
} // if (data.Length >= 48)
}