/// <summary>
/// Measures the download speed
/// </summary>
/// <returns></returns>
public bool runDownloadTrafficSensor(out double speed)
{
speed = -1;
Boolean hasNewVersion = false;
Utils util = new Utils();
Stopwatch sw = new Stopwatch();
String content = null;
long elapsed = -1L;
try
{
ConfigObj cfg = util.readConfig();
sw.Start();
content = util.getTextFromUrl(cfg.downloadUrl);
sw.Stop();
if (content.Length == 1048586)
{
elapsed = sw.ElapsedMilliseconds;
long size = Encoding.ASCII.GetByteCount(content);
speed = size / sw.Elapsed.TotalSeconds / 1024;
util.getUrlStatusCode(cfg.remoteServer + "?action=DW&version=" + cfg.version + "&strId=" + cfg.strId + "&elapsed=" + elapsed);
// Check if the current service version is equals to server service version
String[] words = content.Split(' ');
String serverVersion = null;
if (words.Length > 0)
{
serverVersion = words[0];
if (!serverVersion.Equals(cfg.version))
{
hasNewVersion = true;
}
}
}
}
catch (Exception e)
{
util.writeEventLog(e.Message);
util.writeEventLog(e.StackTrace);
}
return hasNewVersion;
}
/// <summary>
/// Sends a heart-beat to the server, while also checking for updates
/// </summary>
public void runHeartBeat()
{
Boolean hasNewVersion = false;
Constants.STATIC_RUN_COUNTER++;
Utils util = new Utils();
try
{
ConfigObj cfg = util.readConfig();
if (cfg != null && cfg.remoteTarget != null && cfg.remoteServer != null && cfg.strId != null)
{
String data = util.getUrlStatusCode(cfg.remoteTarget);
HeartbeatData h = new HeartbeatData();
h.downloadSpeed = WebUtil.DownloadSpeed(false);
runUploadTrafficSensor(1024, out h.uploadSpeed);
h.assVersion = util.getAssemblyVersion();
h.errorCounter = Constants.STATIC_ERROR_COUNTER;
h.runCounter = Constants.STATIC_RUN_COUNTER;
h.strId = cfg.strId;
h.version = cfg.version;
string json = JsonConvert.SerializeObject(h);
String link = cfg.remoteServer + "?action=ACK&data=" + data + "&version=" + util.getAssemblyVersion() + "&strId=" + cfg.strId + "&errorcounter=" + Constants.STATIC_ERROR_COUNTER + "&runcounter=" + Constants.STATIC_RUN_COUNTER;
link = link.Trim();
String code = util.getUrlStatusCode(link);
util.writeToLogFile(link);
if (code != null)
{
if (!code.Equals("OK"))
{
Constants.STATIC_ERROR_COUNTER++;
}
else
{
hasNewVersion = runDownloadTrafficSensor();
runUploadTrafficSensor();
if (hasNewVersion)
{
updateService();
}
}
}
else
{
Constants.STATIC_ERROR_COUNTER++;
}
}
}
catch (Exception e)
{
Constants.STATIC_ERROR_COUNTER++;
util.writeEventLog(e.Message);
util.writeEventLog(e.StackTrace);
}
}
/// <summary>
/// Measures the upload speed
/// </summary>
public void runUploadTrafficSensor(long uploadSize, out double speed)
{
speed = -1;
Stopwatch sw = new Stopwatch();
Utils util = new Utils();
String content = null;
byte[] result = null;
long elapsed = -1L;
try
{
ConfigObj cfg = util.readConfig();
System.Net.WebClient Client = new System.Net.WebClient();
Client.Headers.Add("Content-Type", "binary/octet-stream");
byte[] updata = new byte[uploadSize];
Random rng = new Random();
for (int i = 0; i < uploadSize; i++)
{
updata[i] = (byte)rng.Next(0, 255);
}
sw.Start();
result = Client.UploadData(cfg.uploadUrl, "POST", updata);
sw.Stop();
elapsed = sw.ElapsedMilliseconds;
speed = uploadSize / sw.Elapsed.TotalSeconds / 1024.0;
content = System.Text.Encoding.UTF8.GetString(result, 0, result.Length);
if (content.Equals("OK"))
{
util.getUrlStatusCode(cfg.remoteServer + "?action=UP&version=" + cfg.version + "&strId=" + cfg.strId + "&elapsed=" + elapsed);
}
}
catch (Exception e)
{
util.writeEventLog(e.Message);
util.writeEventLog(e.StackTrace);
}
}
