feat: The Other Dude v9.0.1 — full-featured email system

ci: add GitHub Pages deployment workflow for docs site

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

poller/internal/device/interfaces.go

@@ -0,0 +1,61 @@
+// Package device provides RouterOS metric collectors for the poller.
+package device
+
+import (
+	"fmt"
+	"log/slog"
+	"strconv"
+
+	routeros "github.com/go-routeros/routeros/v3"
+)
+
+// InterfaceStats holds the traffic counters for a single RouterOS interface.
+type InterfaceStats struct {
+	Name    string `json:"name"`
+	RxBytes int64  `json:"rx_bytes"`
+	TxBytes int64  `json:"tx_bytes"`
+	Running bool   `json:"running"`
+	Type    string `json:"type"`
+}
+
+// CollectInterfaces queries the RouterOS device for per-interface traffic
+// counters via /interface/print.
+//
+// Returns a slice of InterfaceStats. On error, returns an empty slice and the
+// error — the caller decides whether to skip the device or log a warning.
+func CollectInterfaces(client *routeros.Client) ([]InterfaceStats, error) {
+	reply, err := client.Run(
+		"/interface/print",
+		"=.proplist=name,rx-byte,tx-byte,running,type",
+	)
+	if err != nil {
+		return nil, fmt.Errorf("running /interface/print: %w", err)
+	}
+
+	stats := make([]InterfaceStats, 0, len(reply.Re))
+	for _, sentence := range reply.Re {
+		m := sentence.Map
+
+		rxBytes, err := strconv.ParseInt(m["rx-byte"], 10, 64)
+		if err != nil {
+			slog.Warn("could not parse rx-byte for interface", "interface", m["name"], "value", m["rx-byte"])
+			rxBytes = 0
+		}
+
+		txBytes, err := strconv.ParseInt(m["tx-byte"], 10, 64)
+		if err != nil {
+			slog.Warn("could not parse tx-byte for interface", "interface", m["name"], "value", m["tx-byte"])
+			txBytes = 0
+		}
+
+		stats = append(stats, InterfaceStats{
+			Name:    m["name"],
+			RxBytes: rxBytes,
+			TxBytes: txBytes,
+			Running: m["running"] == "true",
+			Type:    m["type"],
+		})
+	}
+
+	return stats, nil
+}