public InfluxDiagnostics ReadDiagnostics()
{
InfluxDiagnostics d = new InfluxDiagnostics();
DateTime before = DateTime.Now;
HttpWebRequest req = GetWebRequest("query?q=SHOW DIAGNOSTICS&rand=" + new Random().Next());
req.Method = "GET";
req.ReadWriteTimeout = 5000; // only allow 5 secs to read the stats
Dictionary <string, InfluxQueryInfo> queries = new Dictionary <string, InfluxQueryInfo>();
using (HttpWebResponse res = req.GetResponse() as HttpWebResponse)
{
d.version = res.Headers.Get("X-Influxdb-Version");
JsonTextReader reader = new JsonTextReader(
new StreamReader(res.GetResponseStream()));
JToken tok;
JObject results = (JObject)((JArray)JObject.Load(reader).GetValue("results")).First;
JArray series = (JArray)results.GetValue("series");
foreach (JToken t in series)
{
JObject sobj = (JObject)t;
if (sobj.TryGetValue("name", out tok))
{
if ("system".Equals(tok.Value <string>()))
{
JArray arr = sobj.GetValue("values").Value <JArray>().First.Value <JArray>();
d.pid = arr[0].Value <int>();
String now = arr[1].Value <string>();
String sta = arr[2].Value <string>();
d.started = GrafanaQuery.ToUnixTime(DateTime.Parse(sta));
long nowms = GrafanaQuery.ToUnixTime(DateTime.Parse(now));
d.deltaTS = GrafanaQuery.ToUnixTime(before) - nowms; // positive number is ahead
}
}
}
}
return(d);
}
private void WriteDeviceItemInputParserResult(HidSharp.Reports.Input.DeviceItemInputParser parser)
{
while (parser.HasChanged)
{
int changedIndex = parser.GetNextChangedIndex();
var dataValue = parser.GetValue(changedIndex);
uint key = dataValue.Usages.FirstOrDefault();
if (!values.ContainsKey(key))
{
string disp = ((Usage)key).ToString();
if (disp.StartsWith("427"))
{
Console.WriteLine("SKIP: " + disp);
continue;
}
DeviceValue tmp = new DeviceValue();
tmp.item = dataValue.DataItem;
tmp.name = this.name + disp;
values[key] = tmp;
}
DeviceValue v = values[key];
v.time = GrafanaQuery.ToUnixTime(DateTime.Now);
if (v.item.ElementBits == 1)
{
v.value = (dataValue.GetLogicalValue() > 0) ? true : false;
}
else
{
v.value = dataValue.GetLogicalValue();
}
if (sockets != null)
{
sockets.write(v);
}
//Console.WriteLine(v.ToJSON());
}
}
public override void doFlush(MemoryStream buffer)
{
logger.Debug("Send to influx: " + count + " samples, " + buffer.Length + "bytes");
count = 0;
HttpWebRequest req = influx.GetWebRequest("write?precision=ms&db=" + database);
req.Method = "POST";
if (zipit)
{
req.ContentType = "text/plain";
req.Headers.Add("Content-Encoding", "gzip");
}
if (logger.IsTraceEnabled)
{
logger.Trace(Encoding.ASCII.GetString(buffer.ToArray()));
}
using (Stream stream = req.GetRequestStream())
{
if (zipit)
{
using (GZipStream compressionStream = new GZipStream(stream, CompressionMode.Compress))
{
buffer.WriteTo(compressionStream);
}
}
else
{
buffer.WriteTo(stream);
}
}
try
{
using (HttpWebResponse res = req.GetResponse() as HttpWebResponse)
{
LastOK = GrafanaQuery.ToUnixTime(DateTime.Now);
SentBytes += buffer.Length;
return;
}
}
catch (WebException ex) // TODO, handle Influx Errors
{
ErrorCount++;
try
{
StreamReader read = new StreamReader(ex.Response.GetResponseStream());
String body = read.ReadToEnd();
if (ex.Response.ContentType.EndsWith("json"))
{
JObject v = JObject.Parse(body);
string err = v.GetValue("error").Value <string>();
logger.Warn("Error Writing To Influx: " + err);
}
else
{
logger.Warn("Error Writing To Influx: " + body);
}
LastERR = GrafanaQuery.ToUnixTime(DateTime.Now);
}
catch (Exception xx)
{
logger.Warn(xx, "Error Trying to read WebException: " + ex);
}
}
}
