api/bandwidth: init

1 files changed, 41 insertions, 0 deletions

diff --git a/api/bandwidth.go b/api/bandwidth.go
new file mode 100644
index 0000000..5f23221
--- /dev/null
+++ b/api/bandwidth.go
@@ -0,0 +1,41 @@
+package api
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net"
+
+	"github.com/cilium/cilium/pkg/mac"
+	"github.com/dustin/go-humanize"
+	"sinanmohd.com/redq/usage"
+)
+
+type BandwidthStat struct {
+	Ingress string `json:"ingress"`
+	Egress  string `json:"egress"`
+}
+
+type BandwidthResp map[string]BandwidthStat
+
+func handleBandwidth(conn net.Conn, u *usage.Usage) {
+	resp := make(BandwidthResp)
+
+	u.Mutex.RLock()
+	for key, value := range u.Data {
+		m := mac.Uint64MAC(key)
+		resp[m.String()] = BandwidthStat{
+			Ingress: fmt.Sprintf("%s/s", humanize.Bytes(value.BandwidthIngress)),
+			Egress:  fmt.Sprintf("%s/s", humanize.Bytes(value.BandwidthEgress)),
+		}
+	}
+	u.Mutex.RUnlock()
+
+	buf, err := json.Marshal(resp)
+	if err != nil {
+		log.Printf("marshaling json: %s", err)
+		return
+	}
+
+	conn.Write(buf)
+}