public BusInfoAvailableEventArgs(int stopIndex, ArrayList busInfos, StopLocation loadedStop)
{
m_stopIndex = stopIndex;
m_loadedStop = loadedStop;
m_busInfos = busInfos;
}
private void MainRoutine()
{
int errorCount = 0;
if (m_shouldRun)
{
m_shouldRun = false;
for (int i = 0; i < m_stopsToLoad.Length && errorCount < ERROR_LIMIT; i++)
{
try
{
StopLocation sl = m_stopsToLoad[i];
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(sl.Url);
req.Timeout = 10000;
req.KeepAlive = true;
WebResponse response = req.GetResponse();
Stream receiveStream = response.GetResponseStream();
Encoding encoding = Encoding.GetEncoding("utf-8");
StreamReader sr = new StreamReader(receiveStream, encoding);
string data = sr.ReadToEnd();
sr.Close();
m_busInfoList.Clear();
for (Match m = m_busInfoRegex.Match(data); m.Success; m = m.NextMatch())
{
string routeNumber = m.Groups[1].Value.Trim();
string destination = m.Groups[2].Value.Trim();
string arrivalTime = m.Groups[3].Value.Trim();
string arrivalStatus = m.Groups[4].Value.Trim();
string minutesToDeparture = m.Groups[5].Value.Trim();
BusInfo b = new BusInfo();
b.RouteNumber = routeNumber;
b.Destination = HttpUtility.HtmlDecode(destination);
b.ArrivalTime = arrivalTime;
b.ArrivalStatus = arrivalStatus;
if (minutesToDeparture.ToUpper().Equals("NOW"))
{
b.MinutesToDeparture = 0;
b.IsDepartingNow = true;
}
else
{
b.IsDepartingNow = false;
b.MinutesToDeparture = Convert.ToInt32(minutesToDeparture);
}
m_busInfoList.Add(b);
}
// A successful request. We're online!
errorCount = 0;
UpdateInfoSourceAvailable(true);
BusInfoAvailableEventArgs ea = new BusInfoAvailableEventArgs(i, m_busInfoList, sl);
BusInfoAvailable(this, ea);
}
catch (WebException)
{
// try again
i--;
errorCount++;
}
catch (SocketException)
{
// try again
i--;
errorCount++;
}
}
if (errorCount >= ERROR_LIMIT)
{
UpdateInfoSourceAvailable(false);
}
else
{
BusInfoFetchComplete(this, EventArgs.Empty);
}
}
}
