55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2021, Henrik Sölver henrik.solver@gmail.com
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// SPDX-License-Identifier: BSD-3-Clause
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package mdnsserver
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import (
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"context"
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"fmt"
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log "github.com/sirupsen/logrus"
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"github.com/godbus/dbus/v5"
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"github.com/holoplot/go-avahi"
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)
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func Run(ctx context.Context, location string, port uint16, name string) {
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conn, err := dbus.SystemBus()
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if err != nil {
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return
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}
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a, err := avahi.ServerNew(conn)
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if err != nil {
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log.Fatalf("Failed to connect to avahi: %v", err)
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}
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eg, err := a.EntryGroupNew()
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if err != nil {
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log.Fatalf("Failed to create entry group: %v", err)
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}
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fqdn, err := a.GetHostNameFqdn()
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if err != nil {
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log.Fatalf("failed to get hostname: %v", err)
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}
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var txt [][]byte
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notestring := fmt.Sprintf("note=%v", location)
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txt = append(txt, []byte(notestring))
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txt = append(txt, []byte("product=ChroBroPrint V1"))
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txt = append(txt, []byte("Color=T"))
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txt = append(txt, []byte("rp=ipp/print"))
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txt = append(txt, []byte("ty=ChroBroPrint"))
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err = eg.AddService(avahi.InterfaceUnspec, avahi.ProtoUnspec, 0, name, "_ipp._tcp", "local", fqdn, port, txt)
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if err != nil {
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log.Fatalf("Failed to add service to avahi: %v", err)
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}
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err = eg.Commit()
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if err != nil {
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log.Fatalf("Failed to commit avahi changes: %v", err)
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}
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<-ctx.Done()
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eg.Reset()
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conn.Close()
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}
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