/// <summary>
/// Считать строки и вывести информацию в журнал
/// </summary>
public virtual List<string> ReadLines(int timeout, TextStopCondition stopCond,
out bool stopReceived)
{
string logText;
List<string> lines = ReadLines(timeout, stopCond, out stopReceived, out logText);
WriteToLog(logText);
return lines;
}
/// <summary>
/// Считать строки
/// </summary>
public abstract List<string> ReadLines(int timeout, TextStopCondition stopCond,
out bool stopReceived, out string logText);
/// <summary>
/// Reads lines.
/// </summary>
public override List <string> ReadLines(int timeout, TextStopCondition stopCond,
out bool stopReceived, out string logText)
{
try
{
List <string> lines = new List <string>();
stopReceived = false;
DateTime utcNowDT = DateTime.UtcNow;
DateTime startDT = utcNowDT;
DateTime stopDT = startDT.AddMilliseconds(timeout);
NetStream.ReadTimeout = OneByteReadTimeout;
StringBuilder sbLine = new StringBuilder(MaxLineLength);
byte[] buffer = new byte[1];
while (!stopReceived && startDT <= utcNowDT && utcNowDT <= stopDT)
{
// read one byte
bool readOk;
try { readOk = NetStream.DataAvailable && NetStream.Read(buffer, 0, 1) > 0; }
catch (IOException) { readOk = false; }
if (readOk)
{
sbLine.Append(Encoding.GetChars(buffer));
}
else
{
Thread.Sleep(DataAccumDelay);
}
bool newLineFound = sbLine.EndsWith(NewLine);
if (newLineFound || sbLine.Length == MaxLineLength)
{
string line = newLineFound ?
sbLine.ToString(0, sbLine.Length - NewLine.Length) :
sbLine.ToString();
lines.Add(line);
sbLine.Clear();
stopReceived = stopCond.CheckCondition(lines, line);
}
utcNowDT = DateTime.UtcNow;
}
logText = BuildReadLinesLogText(lines);
if (lines.Count > 0)
{
UpdateActivityTime();
}
return(lines);
}
catch (Exception ex)
{
throw new ScadaException(CommPhrases.ReadLinesError + ": " + ex.Message, ex);
}
}
/// <summary>
/// Считать строки
/// </summary>
public override List<string> ReadLines(int timeout, TextStopCondition stopCond,
out bool stopReceived, out string logText)
{
try
{
List<string> lines = new List<string>();
stopReceived = false;
DateTime nowDT = DateTime.Now;
DateTime startDT = nowDT;
DateTime stopDT = startDT.AddMilliseconds(timeout);
NetStream.ReadTimeout = OneByteReadTimeout;
StringBuilder sbLine = new StringBuilder(maxLineSize);
byte[] buffer = new byte[1];
while (!stopReceived && startDT <= nowDT && nowDT <= stopDT)
{
// считывание одного байта данных
bool readOk;
try { readOk = NetStream.Read(buffer, 0, 1) > 0; }
catch (IOException) { readOk = false; }
if (readOk)
{
sbLine.Append(Encoding.Default.GetChars(buffer));
}
else
{
// накопление данных во внутреннем буфере соединения
Thread.Sleep(DataAccumThreadDelay);
}
bool newLineFound = StringBuilderEndsWith(sbLine, NewLine);
if (newLineFound || sbLine.Length == maxLineSize)
{
string line = newLineFound ?
sbLine.ToString(0, sbLine.Length - NewLine.Length) :
sbLine.ToString();
lines.Add(line);
sbLine.Clear();
stopReceived = stopCond.CheckCondition(lines, line);
}
nowDT = DateTime.Now;
}
logText = BuildReadLinesLogText(lines);
if (lines.Count > 0)
UpdateActivityDT();
return lines;
}
catch (Exception ex)
{
throw new InvalidOperationException(CommPhrases.ReadLinesError + ": " + ex.Message, ex);
}
}
/// <summary>
/// Считать строки
/// </summary>
public override List<string> ReadLines(int timeout, TextStopCondition stopCond,
out bool stopReceived, out string logText)
{
try
{
List<string> lines = new List<string>();
stopReceived = false;
DateTime nowDT = DateTime.Now;
DateTime startDT = nowDT;
DateTime stopDT = startDT.AddMilliseconds(timeout);
IPEndPoint endPoint = CreateIPEndPoint();
UdpClient.Client.ReceiveTimeout = DatagramReceiveTimeout;
while (!stopReceived && startDT <= nowDT && nowDT <= stopDT)
{
// считывание данных
int readPos;
bool isNew;
byte[] datagram = ReceiveDatagram(ref endPoint, out readPos, out isNew);
if (datagram != null && datagram.Length > 0)
{
// получение строк из считанных данных
int datagramLen = datagram.Length;
StringBuilder sbLine = new StringBuilder(datagramLen);
while (readPos < datagramLen && !stopReceived)
{
sbLine.Append(Encoding.Default.GetChars(datagram, readPos, 1));
readPos++;
bool newLineFound = StringBuilderEndsWith(sbLine, NewLine);
if (newLineFound || readPos == datagramLen)
{
string line = newLineFound ?
sbLine.ToString(0, sbLine.Length - NewLine.Length) :
sbLine.ToString();
lines.Add(line);
sbLine.Clear();
stopReceived = stopCond.CheckCondition(lines, line);
}
}
}
// накопление данных во внутреннем буфере соединения
if (!stopReceived && isNew)
Thread.Sleep(DataAccumThreadDelay);
StoreDatagram(datagram, readPos);
nowDT = DateTime.Now;
}
logText = BuildReadLinesLogText(lines);
return lines;
}
catch (Exception ex)
{
throw new InvalidOperationException(CommPhrases.ReadLinesError + ": " + ex.Message, ex);
}
}
