From e0b9c9e8b2a43c714b9ae58f41a9565accecb716 Mon Sep 17 00:00:00 2001
From: Jan Eitzinger <jan.eitzinger@fau.de>
Date: Thu, 18 Mar 2021 09:11:25 +0100
Subject: [PATCH] Add example for collector

---
 collectors/likwid.go | 64 ++++++++++++++++++++++++++++++++++++++++++++
 go.mod               |  5 ++++
 go.sum               |  2 ++
 3 files changed, 71 insertions(+)
 create mode 100644 collectors/likwid.go
 create mode 100644 go.mod
 create mode 100644 go.sum

diff --git a/collectors/likwid.go b/collectors/likwid.go
new file mode 100644
index 0000000..829b5c3
--- /dev/null
+++ b/collectors/likwid.go
@@ -0,0 +1,64 @@
+package collectors
+
+import (
+	"bytes"
+	"fmt"
+	"time"
+
+	protocol "github.com/influxdata/line-protocol"
+)
+
+type LikwidCollector struct {
+	name    string
+	tags    []*protocol.Tag
+	fields  []*protocol.Field
+	t       time.Time
+	encoder *protocol.Encoder
+}
+
+func (c *LikwidCollector) Name() string {
+	return c.name
+}
+func (c *LikwidCollector) TagList() []*protocol.Tag {
+	return c.tags
+}
+
+func (c *LikwidCollector) FieldList() []*protocol.Field {
+	return c.fields
+}
+
+func (c *LikwidCollector) Time() time.Time {
+	return c.t
+}
+
+func (c *LikwidCollector) New() {
+	buf := &bytes.Buffer{}
+	c.encoder = protocol.NewEncoder(buf)
+	c.encoder.SetMaxLineBytes(1024)
+}
+
+func (c *LikwidCollector) Start(
+	level string,
+	frequency time.Duration,
+	duration int) {
+	ticker := time.NewTicker(frequency * time.Second)
+	done := make(chan bool)
+
+	go func() {
+		for {
+			select {
+			case <-done:
+				return
+			case t := <-ticker.C:
+				fmt.Println("Tick at", t)
+
+				c.encoder.Encode(c)
+			}
+		}
+	}()
+
+	time.Sleep(1600 * time.Second)
+	ticker.Stop()
+	done <- true
+	fmt.Println("Ticker stopped")
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9771f8d
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/ClusterCockpit/cc-metric-collector
+
+go 1.16
+
+require github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..3a13697
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097 h1:vilfsDSy7TDxedi9gyBkMvAirat/oRcL0lFdJBf6tdM=
+github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097/go.mod h1:xaLFMmpvUxqXtVkUJfg9QmT88cDaCJ3ZKgdZ78oO8Qo=