1 files changed, 52 insertions, 0 deletions
diff --git a/webircgateway/plugins/stats/plugin.go b/webircgateway/plugins/stats/plugin.go
new file mode 100644
index 0000000..bdafc41
--- /dev/null
+++ b/webircgateway/plugins/stats/plugin.go
@@ -0,0 +1,52 @@
+package main
+
+import (
+	"fmt"
+	"math"
+	"os"
+	"runtime"
+	"sync"
+	"time"
+
+	"github.com/kiwiirc/webircgateway/pkg/webircgateway"
+)
+
+func Start(gateway *webircgateway.Gateway, pluginsQuit *sync.WaitGroup) {
+	gateway.Log(2, "Stats reporting plugin loading")
+	go reportUsage(gateway)
+
+	pluginsQuit.Done()
+}
+
+func reportUsage(gateway *webircgateway.Gateway) {
+	started := time.Now()
+
+	out := func(line string) {
+		file, _ := os.OpenFile("stats_"+fmt.Sprintf("%v", started.Unix())+".csv",
+			os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+		file.WriteString(line)
+		file.Close()
+	}
+
+	out("time,rss,heapinuse,heapalloc,numroutines,numclients\n")
+
+	for {
+		time.Sleep(time.Second * 5)
+
+		numClients := gateway.Clients.Count()
+		mem := &runtime.MemStats{}
+		runtime.ReadMemStats(mem)
+
+		line := fmt.Sprintf(
+			"%v,%v,%v,%v,%v,%v\n",
+			math.Round(time.Now().Sub(started).Seconds()),
+			mem.Sys/1024,
+			mem.HeapInuse/1024,
+			mem.HeapAlloc/1024,
+			runtime.NumGoroutine(),
+			numClients,
+		)
+
+		out(line)
+	}
+}