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Issue 31: modified IsConnected.

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Signed-off-by: Michele Cattafesta <michele.cattafesta@mesta-automation.com>
This commit is contained in:
Michele Cattafesta
2015-09-30 23:12:31 +02:00
parent 85c5d1b02f
commit 2c40bc6ab5
1 changed files with 15 additions and 7 deletions
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22
S7.Net/PLC.cs
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@@ -27,7 +27,20 @@ namespace S7.Net
return result != null && result.Status == IPStatus.Success;
}
}
public bool IsConnected { get; private set; }
public bool IsConnected
{
get
{
if (_mSocket != null)
{
return _mSocket.Connected;
}
else
{
return false;
}
}
}
public string LastErrorString { get; private set; }
public ErrorCode LastErrorCode { get; private set; }
@@ -35,7 +48,6 @@ namespace S7.Net
public Plc(CpuType cpu, string ip, Int16 rack, Int16 slot, string name = "", object tag = null)
{
IsConnected = false;
IP = ip;
CPU = cpu;
Rack = rack;
@@ -150,13 +162,11 @@ namespace S7.Net
{
throw new Exception(ErrorCode.WrongNumberReceivedBytes.ToString());
}
IsConnected = true;
}
catch
{
LastErrorCode = ErrorCode.ConnectionError;
LastErrorString = string.Format("Couldn't establish the connection to {0}!", IP);
IsConnected = false;
return ErrorCode.ConnectionError;
}
@@ -168,8 +178,7 @@ namespace S7.Net
if (_mSocket != null && _mSocket.Connected)
{
_mSocket.Close();
IsConnected = false;
}
}
}
public byte[] ReadBytes(DataType dataType, int DB, int startByteAdr, int count)
@@ -226,7 +235,6 @@ namespace S7.Net
}
catch (SocketException socketException)
{
IsConnected = false;
LastErrorCode = ErrorCode.WriteData;
LastErrorString = socketException.Message;
return null;