setup project with daemon, socket, cmd, air, notifying, state

internal/hotkeydaemon/daemon.go

@@ -0,0 +1,80 @@
+package hotkeydaemon
+
+import (
+	"bufio"
+	"fmt"
+	"net"
+	"sync"
+	"time"
+
+	"github.com/leonardotrapani/hyprvoice/internal/bus"
+	"github.com/leonardotrapani/hyprvoice/internal/notify"
+)
+
+type Daemon struct {
+	mu        sync.Mutex
+	recording bool
+	notifier  notify.Notifier
+}
+
+func New(n notify.Notifier) *Daemon {
+	if n == nil {
+		n = notify.Desktop{}
+	}
+	return &Daemon{
+		notifier: n,
+	}
+}
+
+func (d *Daemon) Rec() bool {
+	d.mu.Lock()
+	defer d.mu.Unlock()
+	return d.recording
+}
+
+func (d *Daemon) Run() error {
+	ln, err := bus.Listen()
+	if err != nil {
+		return err
+	}
+	for {
+		c, err := ln.Accept()
+		if err != nil {
+			continue
+		}
+		go d.handle(c)
+	}
+}
+
+func (d *Daemon) handle(c net.Conn) {
+	defer c.Close()
+
+	line, _ := bufio.NewReader(c).ReadString('\n')
+	if len(line) == 0 {
+		fmt.Fprint(c, "ERR empty\n")
+		return
+	}
+	cmd := line[0]
+
+	d.mu.Lock()
+	defer d.mu.Unlock()
+
+	switch cmd {
+	case 't': // toggle
+		d.recording = !d.recording
+		d.notifier.RecordingChanged(d.recording)
+		fmt.Fprintf(c, "STATUS recording=%t\n", d.recording)
+	case 's': // status
+		fmt.Fprintf(c, "STATUS recording=%t\n", d.recording)
+	case 'v': // protocol version
+		fmt.Fprintf(c, "STATUS proto=%s\n", bus.ProtoVer)
+	case 'q': // quit daemon
+		fmt.Fprint(c, "OK quitting\n")
+		go func() {
+			time.Sleep(100 * time.Millisecond) // give time for client to read
+			panic("daemon exit requested")
+		}()
+	default:
+		fmt.Fprintf(c, "ERR unknown=%q\n", cmd)
+	}
+}