private string GetWriteJsonString(IList <MetricEntity> logs)
{
List <InfluxRecord> data = new List <InfluxRecord>();
foreach (var item in logs)
{
IEnumerable <string> columns = new string[] { "value" };
IEnumerable <JsonValue> points = new JsonValue[] { new DoubleJsonValue(item.Value) };
if (item.Tags != null && item.Tags.Count > 0)
{
var tagKeys = item.Tags.Keys.ToArray();
JsonValue[] tagVals = new JsonValue[item.Tags.Count];
columns = Enumerable.Concat(columns, tagKeys);
for (int i = 0; i < tagKeys.Length; i++)
{
var tagVal = item.Tags[tagKeys[i]];
tagVals[i] = new StringJsonValue(tagVal);
}
points = Enumerable.Concat(points, tagVals);
}
var record = new InfluxRecord(item.Name, item.Time, columns, points);
data.Add(record);
}
var jsonstr = new CollectionJsonValue(data.Select(d => d.Json)).AsJson();
return(jsonstr);
}
/// <summary>
/// Creates a new <see cref="InfluxRecord"/> from the specified name, item name, tags, and fields.
/// This uses the timestamp defined on this metrics converter instance.
/// </summary>
/// <param name="name">The measurement or series name. This value is required and cannot be null or empty.</param>
/// <param name="itemName">The set item name. Can contain comma-separated key/value pairs.</param>
/// <param name="tags">The optional tags to associate with this record.</param>
/// <param name="fields">The <see cref="InfluxField"/> values for the output fields.</param>
/// <returns>A new <see cref="InfluxRecord"/> from the specified name, tags, and fields.</returns>
public InfluxRecord GetRecord(String name, String itemName, MetricTags tags, IEnumerable <InfluxField> fields)
{
var jtags = InfluxUtils.JoinTags(itemName, GlobalTags, tags); // global tags must be first so they can get overridden
var record = new InfluxRecord(name, jtags, fields, Timestamp);
return(record);
}
/// <summary>
/// Writes the record to the InfluxDB server. If batching is used, the record will be added to the
/// batch buffer but will not immediately be written to the server. If the number of buffered records
/// is greater than or equal to the BatchSize, then the batch will be flushed to the underlying writer.
/// </summary>
/// <param name="record">The record to write.</param>
public virtual void Write(InfluxRecord record)
{
if (record == null)
{
throw new ArgumentNullException(nameof(record));
}
batch.Add(record);
if (batchSize > 0 && batch.Count >= batchSize)
{
Flush(); // flush if batch is full
}
}
private static JsonObject ToJsonObject(InfluxRecord record)
{
if (record == null)
{
throw new ArgumentNullException(nameof(record));
}
if (String.IsNullOrWhiteSpace(record.Name))
{
throw new ArgumentNullException(nameof(record.Name), "The measurement name must be specified.");
}
if (record.Fields.Count == 0)
{
throw new ArgumentNullException(nameof(record.Fields), $"Must specify at least one field. Metric name: {record.Name}");
}
var cols = record.Tags.Select(t => t.Key).Concat(record.Fields.Select(f => f.Key));
var data = record.Tags.Select(t => t.Value).Concat(record.Fields.Select(f => f.Value)).Select(v => FormatValue(v));
return(ToJsonObject(record.Name, record.Timestamp ?? DateTime.Now, cols, data));
}
/// <summary>
/// Formats the measurement name, tag keys, and field keys on the specified <see cref="InfluxRecord"/>
/// with the defined tag and key formatters and returns the same record instance.
/// </summary>
/// <param name="record">The <see cref="InfluxRecord"/> to format the tag and field keys for.</param>
/// <returns>The same <see cref="InfluxRecord"/> instance with the tag and field keys formatted.</returns>
public virtual InfluxRecord FormatRecord(InfluxRecord record)
{
record.Name = FormatMetricName(null, record.Name, Unit.None, null) ?? record.Name;
for (int i = 0; i < record.Tags.Count; i++)
{
InfluxTag tag = record.Tags[i];
String fmtKey = FormatTagKey(tag.Key);
record.Tags[i] = new InfluxTag(fmtKey, tag.Value);
}
for (int i = 0; i < record.Fields.Count; i++)
{
InfluxField field = record.Fields[i];
String fmtKey = FormatFieldKey(field.Key);
record.Fields[i] = new InfluxField(fmtKey, field.Value);
}
return(record);
}
/// <summary>
/// 描述：异步将LogMetric写入Influxdb数据库
/// 作者：徐明祥
/// 日期：20150531
/// </summary>
/// <param name="logs"></param>
public void WriteAsync(IList <MetricEntity> logs)
{
if (logs == null || logs.Count == 0)
{
return;
}
List <InfluxRecord> data = new List <InfluxRecord>();
foreach (var item in logs)
{
IEnumerable <string> columns = new string[] { "value" };
IEnumerable <JsonValue> points = new JsonValue[] { new DoubleJsonValue(item.Value) };
if (item.Tags != null && item.Tags.Count > 0)
{
var tagKeys = item.Tags.Keys.ToArray();
JsonValue[] tagVals = new JsonValue[item.Tags.Count];
columns = Enumerable.Concat(columns, tagKeys);
for (int i = 0; i < tagKeys.Length; i++)
{
var tagVal = item.Tags[tagKeys[i]];
tagVals[i] = new StringJsonValue(tagVal);
}
points = Enumerable.Concat(points, tagVals);
}
var record = new InfluxRecord(item.Name, item.Time, columns, points);
data.Add(record);
}
using (var client = new WebClient())
{
var jsonstr = new CollectionJsonValue(data.Select(d => d.Json)).AsJson();
client.UploadStringAsync(this.influxdb, jsonstr);
}
}