mirror of https://github.com/nealey/vail.git
Strict message validation
Finally, we parse incoming JSON into Message objects, check timestamps for being too far in the past, and perform other quality-of-life checks at the server, to limit avenues for abuse. This also adds a "binary" message type, which could be useful for Arduino projects. The websocket library has been swapped out for one that makes more sense to me, bringing in a ton of dependencies. Finally, we are now telling clients how many other clients are connected.
This commit is contained in:
GitHub
commit
910e9e75c0
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@ -1,19 +1,23 @@
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package main
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import (
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"io"
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"log"
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)
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// Book maps names to repeaters
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//
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// It ensures that names map 1-1 to repeaters.
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type Book struct {
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entries map[string]*Repeater
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events chan bookEvent
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makeRepeater func() *Repeater
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}
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func NewBook() Book {
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return Book{
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entries: make(map[string]*Repeater),
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events: make(chan bookEvent, 5),
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makeRepeater: NewRepeater,
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}
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}
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@ -28,34 +32,38 @@ const (
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type bookEvent struct {
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eventType bookEventType
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name string
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w io.Writer
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p []byte
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sender MessageSender
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m Message
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}
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func (b Book) Join(name string, w io.Writer) {
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// Join adds a writer to a named repeater
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func (b Book) Join(name string, sender MessageSender) {
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b.events <- bookEvent{
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eventType: joinEvent,
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name: name,
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w: w,
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sender: sender,
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}
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}
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func (b Book) Part(name string, w io.Writer) {
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// Part removes a writer from a named repeater
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func (b Book) Part(name string, sender MessageSender) {
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b.events <- bookEvent{
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eventType: partEvent,
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name: name,
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w: w,
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sender: sender,
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}
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}
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func (b Book) Send(name string, p []byte) {
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// Send transmits a message to the named repeater
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func (b Book) Send(name string, m Message) {
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b.events <- bookEvent{
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eventType: sendEvent,
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name: name,
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p: p,
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m: m,
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}
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}
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// Run is the endless run loop
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func (b Book) Run() {
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for {
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b.loop()
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@ -69,16 +77,16 @@ func (b Book) loop() {
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switch event.eventType {
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case joinEvent:
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if !ok {
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repeater = NewRepeater()
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repeater = b.makeRepeater()
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b.entries[event.name] = repeater
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}
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repeater.Join(event.w)
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repeater.Join(event.sender)
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case partEvent:
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if !ok {
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log.Println("WARN: Parting an empty channel:", event.name)
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break
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}
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repeater.Part(event.w)
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repeater.Part(event.sender)
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if repeater.Listeners() == 0 {
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delete(b.entries, event.name)
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}
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@ -87,6 +95,6 @@ func (b Book) loop() {
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log.Println("WARN: Sending to an empty channel:", event.name)
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break
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}
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repeater.Send(event.p)
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repeater.Send(event.m)
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}
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}
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@ -1,59 +1,57 @@
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package main
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import (
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"bytes"
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"testing"
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)
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func TestBook(t *testing.T) {
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b := NewBook()
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b := Book{
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entries: make(map[string]*Repeater),
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events: make(chan bookEvent, 5),
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makeRepeater: NewTestingRepeater,
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}
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buf1 := bytes.NewBufferString("buf1")
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b.Join("moo", buf1)
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c1 := NewTestingClient(t)
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b.Join("moo", c1)
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b.loop()
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if len(b.entries) != 1 {
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t.Error("Wrong number of entries")
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}
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c1.Expect(1)
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// Send to an empty channel
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b.Send("merf", []byte("goober"))
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m := Message{0, 0, []uint16{22, 33}}
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b.Send("merf", m)
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b.loop()
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if buf1.String() != "buf1" {
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if c1.Len() > 0 {
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t.Error("Sending to empty channel sent to non-empty channel")
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}
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// Send to a non-empty channel!
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b.Send("moo", []byte("goober"))
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b.Send("moo", m)
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b.loop()
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if buf1.String() != "buf1goober" {
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t.Error("Sending didn't work")
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}
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c1.Expect(1, 22, 33)
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// Join another client
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buf2 := bytes.NewBufferString("buf2")
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b.Join("moo", buf2)
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c2 := NewTestingClient(t)
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b.Join("moo", c2)
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b.loop()
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c1.Expect(2)
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c2.Expect(2)
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// Send to both
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b.Send("moo", []byte("snerk"))
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m.Duration = append(m.Duration, 44)
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b.Send("moo", m)
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b.loop()
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if buf1.String() != "buf1goobersnerk" {
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t.Error("Send to 2-member channel busted", buf1)
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}
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if buf2.String() != "buf2snerk" {
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t.Error("Send to 2-member channel busted", buf2)
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}
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c1.Expect(2, 22, 33, 44)
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c2.Expect(2, 22, 33, 44)
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// Part a client
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b.Part("moo", buf1)
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b.Part("moo", c1)
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b.loop()
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c2.Expect(1)
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b.Send("moo", []byte("peanut"))
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b.Send("moo", m)
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b.loop()
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if buf1.String() != "buf1goobersnerk" {
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t.Error("Parted channel but still getting messages", buf1)
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}
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if buf2.String() != "buf2snerkpeanut" {
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t.Error("Someone else parting somehow messed up sends", buf2)
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}
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c2.Expect(1, 22, 33, 44)
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}
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|
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140
cmd/vail/main.go
140
cmd/vail/main.go
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@ -1,49 +1,145 @@
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package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"time"
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"os"
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"log"
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"net/http"
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"golang.org/x/net/websocket"
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"os"
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"time"
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"nhooyr.io/websocket"
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)
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var book Book
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type Client struct {
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repeaterName string
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const JsonProtocol = "json.vail.woozle.org"
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const BinaryProtocol = "binary.vail.woozle.org"
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// Clock defines an interface for getting the current time.
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//
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// We use this in testing to provide a fixed value for the current time, so we
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// can still compare clocks.
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type Clock interface {
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Now() time.Time
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}
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func (c Client) Handle(ws *websocket.Conn) {
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ws.MaxPayloadBytes = 500
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book.Join(c.repeaterName, ws)
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defer book.Part(c.repeaterName, ws)
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// WallClock is a Clock which provides the actual time
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type WallClock struct{}
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// Tell the client what time we think it is
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fmt.Fprintf(ws, "[%d]", time.Now().UnixNano() / time.Millisecond.Nanoseconds())
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func (WallClock) Now() time.Time {
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return time.Now()
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}
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for {
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buf := make([]byte, ws.MaxPayloadBytes)
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// VailWebSocketConnection reads and writes Message structs
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type VailWebSocketConnection struct {
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*websocket.Conn
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usingJSON bool
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}
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if n, err := ws.Read(buf); err != nil {
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break
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func (c *VailWebSocketConnection) Receive() (Message, error) {
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var m Message
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messageType, buf, err := c.Read(context.Background())
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if err != nil {
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return m, err
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}
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if messageType == websocket.MessageText {
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err = json.Unmarshal(buf, &m)
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} else {
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buf = buf[:n]
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err = m.UnmarshalBinary(buf)
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}
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return m, err
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}
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book.Send(c.repeaterName, buf)
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func (c *VailWebSocketConnection) Send(m Message) error {
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var err error
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var buf []byte
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var messageType websocket.MessageType
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if c.usingJSON {
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messageType = websocket.MessageText
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buf, err = json.Marshal(m)
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} else {
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messageType = websocket.MessageBinary
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buf, err = m.MarshalBinary()
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}
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if err != nil {
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return err
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}
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return c.Write(context.Background(), messageType, buf)
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}
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func ChatHandler(w http.ResponseWriter, r *http.Request) {
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c := Client {
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repeaterName: r.FormValue("repeater"),
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forwardedFor := r.Header.Get("X-Forwarded-For")
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client := fmt.Sprintf("<%s|%s>", forwardedFor, r.RemoteAddr)
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// Set up websocket
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ws, err := websocket.Accept(
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w, r,
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&websocket.AcceptOptions{
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Subprotocols: []string{JsonProtocol, BinaryProtocol},
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},
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)
|
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if err != nil {
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log.Println(err)
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return
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}
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defer ws.Close(websocket.StatusInternalError, "Internal error")
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|
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// Create our Vail websocket connection for books to send to
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sock := VailWebSocketConnection{
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Conn: ws,
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}
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|
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// This API is confusing as hell.
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// I suspect there's a better way to do this.
|
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websocket.Handler(c.Handle).ServeHTTP(w, r)
|
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// websockets apparently sends a subprotocol string, so we can ignore Accept headers!
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switch ws.Subprotocol() {
|
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case JsonProtocol:
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sock.usingJSON = true
|
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case BinaryProtocol:
|
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sock.usingJSON = false
|
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default:
|
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ws.Close(websocket.StatusPolicyViolation, "client must speak a vail protocol")
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return
|
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}
|
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|
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// Join the repeater
|
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repeaterName := r.FormValue("repeater")
|
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book.Join(repeaterName, &sock)
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defer book.Part(repeaterName, &sock)
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|
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log.Println(client, repeaterName, "connect")
|
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|
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for {
|
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// Read a packet
|
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m, err := sock.Receive()
|
||||
if err != nil {
|
||||
ws.Close(websocket.StatusInvalidFramePayloadData, err.Error())
|
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break
|
||||
}
|
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|
||||
// If it's empty, skip it
|
||||
if len(m.Duration) == 0 {
|
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continue
|
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}
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|
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// If it's wildly out of time, reject it
|
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timeDelta := (time.Now().UnixMilli() - m.Timestamp)
|
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if timeDelta < 0 {
|
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timeDelta = -timeDelta
|
||||
}
|
||||
if timeDelta > 9999 {
|
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log.Println(err)
|
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ws.Close(websocket.StatusInvalidFramePayloadData, "Your clock is off by too much")
|
||||
break
|
||||
}
|
||||
|
||||
book.Send(repeaterName, m)
|
||||
}
|
||||
|
||||
log.Println(client, repeaterName, "disconnect")
|
||||
}
|
||||
|
||||
func main() {
|
||||
|
|
|
|||
|
|
@ -6,32 +6,49 @@ import (
|
|||
"time"
|
||||
)
|
||||
|
||||
// MessageSender can send Messages
|
||||
type MessageSender interface {
|
||||
Send(m Message) error
|
||||
}
|
||||
|
||||
// MessageReceiver can receive Messages
|
||||
type MessageReceiver interface {
|
||||
Receive() (Message, error)
|
||||
}
|
||||
|
||||
// MessageSocket can send and receive Messages
|
||||
type MessageSocket interface {
|
||||
MessageSender
|
||||
MessageReceiver
|
||||
}
|
||||
|
||||
// VailMessage is a single Vail message.
|
||||
type Message struct {
|
||||
// Relative time in ms of this message.
|
||||
// These timestamps need to be consistent, but the offset can be anything.
|
||||
// ECMAScript `performance.now()` is ideal.
|
||||
// Timestamp of this message. Milliseconds since epoch.
|
||||
Timestamp int64
|
||||
|
||||
// Number of connected clients
|
||||
Clients uint16
|
||||
|
||||
// Message timing in ms.
|
||||
// Timings alternate between tone and silence.
|
||||
// For example, `A` could be sent as [80, 80, 240]
|
||||
Duration []uint8
|
||||
Duration []uint16
|
||||
}
|
||||
|
||||
func NewMessage(ts time.Time, durations []time.Duration) Message {
|
||||
func NewMessage(ts time.Time, durations ...time.Duration) Message {
|
||||
msg := Message{
|
||||
Timestamp: ts.UnixNano() / time.Millisecond.Nanoseconds(),
|
||||
Duration: make([]uint8, len(durations)),
|
||||
Duration: make([]uint16, len(durations)),
|
||||
}
|
||||
for i, dns := range durations {
|
||||
ms := dns.Milliseconds()
|
||||
if (ms > 255) {
|
||||
if ms > 255 {
|
||||
ms = 255
|
||||
} else if (ms < 0) {
|
||||
} else if ms < 0 {
|
||||
ms = 0
|
||||
}
|
||||
msg.Duration[i] = uint8(ms)
|
||||
msg.Duration[i] = uint16(ms)
|
||||
}
|
||||
return msg
|
||||
}
|
||||
|
|
@ -42,20 +59,26 @@ func (m Message) MarshalBinary() ([]byte, error) {
|
|||
if err := binary.Write(&w, binary.BigEndian, m.Timestamp); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if err := binary.Write(&w, binary.BigEndian, m.Clients); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if err := binary.Write(&w, binary.BigEndian, m.Duration); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return w.Bytes(), nil
|
||||
}
|
||||
|
||||
// Unmarshaling presumes something else is keeping track of lengths
|
||||
// UnmarshalBinary unpacks a binary buffer into a Message.
|
||||
func (m *Message) UnmarshalBinary(data []byte) error {
|
||||
r := bytes.NewReader(data)
|
||||
if err := binary.Read(r, binary.BigEndian, &m.Timestamp); err != nil {
|
||||
return err
|
||||
}
|
||||
dlen := r.Len()
|
||||
m.Duration = make([]uint8, dlen)
|
||||
if err := binary.Read(r, binary.BigEndian, &m.Clients); err != nil {
|
||||
return err
|
||||
}
|
||||
dlen := r.Len() / 2
|
||||
m.Duration = make([]uint16, dlen)
|
||||
if err := binary.Read(r, binary.BigEndian, &m.Duration); err != nil {
|
||||
return err
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6,9 +6,9 @@ import (
|
|||
"time"
|
||||
)
|
||||
|
||||
func TestMessage(t *testing.T) {
|
||||
m := Message{0x1122334455, []uint8{0xaa, 0xbb, 0xcc}}
|
||||
m2 := Message{12, []uint8{1}}
|
||||
func TestMessageStruct(t *testing.T) {
|
||||
m := Message{0x1122334455, 0, []uint16{0xaa, 0xbb, 0xcc}}
|
||||
m2 := Message{12, 0, []uint16{1}}
|
||||
|
||||
if !m.Equal(m) {
|
||||
t.Error("Equal messages did not compare equal")
|
||||
|
|
@ -16,7 +16,7 @@ func TestMessage(t *testing.T) {
|
|||
if m.Equal(m2) {
|
||||
t.Error("Unequal messages compared equal")
|
||||
}
|
||||
if m.Equal(Message{m.Timestamp, []uint8{1, 2, 3}}) {
|
||||
if m.Equal(Message{m.Timestamp, 0, []uint16{1, 2, 3}}) {
|
||||
t.Error("Messages with different payloads compared equal")
|
||||
}
|
||||
|
||||
|
|
@ -24,7 +24,7 @@ func TestMessage(t *testing.T) {
|
|||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
if !bytes.Equal(bm, []byte("\x00\x00\x00\x11\x22\x33\x44\x55\xaa\xbb\xcc")) {
|
||||
if !bytes.Equal(bm, []byte("\x00\x00\x00\x11\x22\x33\x44\x55\x00\x00\x00\xaa\x00\xbb\x00\xcc")) {
|
||||
t.Error("Encoded wrong:", bm)
|
||||
}
|
||||
|
||||
|
|
@ -40,11 +40,9 @@ func TestMessage(t *testing.T) {
|
|||
0,
|
||||
m.Timestamp*time.Millisecond.Nanoseconds(),
|
||||
),
|
||||
[]time.Duration{
|
||||
time.Duration(m.Duration[0])*time.Millisecond,
|
||||
time.Duration(m.Duration[1])*time.Millisecond,
|
||||
time.Duration(m.Duration[2])*time.Millisecond,
|
||||
},
|
||||
)
|
||||
if !m.Equal(m3) {
|
||||
t.Error("NewMessage didn't work", m, m3)
|
||||
|
|
|
|||
|
|
@ -1,40 +1,56 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"io"
|
||||
"time"
|
||||
)
|
||||
|
||||
// A Repeater is just a list of Writers.
|
||||
// A Repeater is just a list of senders.
|
||||
type Repeater struct {
|
||||
writers []io.Writer
|
||||
clock Clock
|
||||
senders []MessageSender
|
||||
}
|
||||
|
||||
// NewRepeater returns a newly-created repeater
|
||||
func NewRepeater() *Repeater {
|
||||
return &Repeater{
|
||||
writers: make([]io.Writer, 0, 20),
|
||||
clock: WallClock{},
|
||||
senders: make([]MessageSender, 0, 20),
|
||||
}
|
||||
}
|
||||
|
||||
func (r *Repeater) Join(w io.Writer) {
|
||||
r.writers = append(r.writers, w)
|
||||
// Join joins a writer to this repeater
|
||||
func (r *Repeater) Join(sender MessageSender) {
|
||||
r.senders = append(r.senders, sender)
|
||||
r.SendMessage()
|
||||
}
|
||||
|
||||
func (r *Repeater) Part(w io.Writer) {
|
||||
for i, s := range r.writers {
|
||||
if s == w {
|
||||
nsubs := len(r.writers)
|
||||
r.writers[i] = r.writers[nsubs-1]
|
||||
r.writers = r.writers[:nsubs-1]
|
||||
// Part removes a writer from this repeater
|
||||
func (r *Repeater) Part(sender MessageSender) {
|
||||
for i, s := range r.senders {
|
||||
if s == sender {
|
||||
nsubs := len(r.senders)
|
||||
r.senders[i] = r.senders[nsubs-1]
|
||||
r.senders = r.senders[:nsubs-1]
|
||||
}
|
||||
}
|
||||
r.SendMessage()
|
||||
}
|
||||
|
||||
// Send send a message to all connected clients
|
||||
func (r *Repeater) Send(m Message) {
|
||||
m.Clients = uint16(r.Listeners())
|
||||
for _, s := range r.senders {
|
||||
s.Send(m)
|
||||
}
|
||||
}
|
||||
|
||||
func (r *Repeater) Send(p []byte) {
|
||||
for _, s := range r.writers {
|
||||
s.Write(p)
|
||||
}
|
||||
// SendMessage constructs and sends a message
|
||||
func (r *Repeater) SendMessage(durations ...time.Duration) {
|
||||
m := NewMessage(r.clock.Now(), durations...)
|
||||
r.Send(m)
|
||||
}
|
||||
|
||||
// Listeners returns the number of connected clients
|
||||
func (r *Repeater) Listeners() int {
|
||||
return len(r.writers)
|
||||
return len(r.senders)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,39 +1,85 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"testing"
|
||||
"time"
|
||||
)
|
||||
|
||||
type FakeClock struct{}
|
||||
|
||||
func (f FakeClock) Now() time.Time {
|
||||
return time.UnixMilli(0)
|
||||
}
|
||||
|
||||
type TestingClient struct {
|
||||
buf []Message
|
||||
expected []Message
|
||||
t *testing.T
|
||||
}
|
||||
|
||||
func NewTestingClient(t *testing.T) *TestingClient {
|
||||
return &TestingClient{
|
||||
t: t,
|
||||
}
|
||||
}
|
||||
|
||||
func (tc *TestingClient) Send(m Message) error {
|
||||
tc.buf = append(tc.buf, m)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (tc *TestingClient) Len() int {
|
||||
return len(tc.buf)
|
||||
}
|
||||
|
||||
func (tc *TestingClient) Expect(clients uint16, payload ...uint16) {
|
||||
m := Message{0, clients, payload}
|
||||
tc.expected = append(tc.expected, m)
|
||||
if len(tc.buf) != len(tc.expected) {
|
||||
tc.t.Errorf("Client buffer mismatch. Wanted length %d, got length %d", len(tc.expected), len(tc.buf))
|
||||
}
|
||||
for i := 0; i < len(tc.buf); i++ {
|
||||
if !tc.buf[i].Equal(tc.expected[i]) {
|
||||
tc.t.Errorf("Client buffer mismatch at entry %d. Wanted %#v, got %#v", i, tc.expected[i], tc.buf[i])
|
||||
}
|
||||
}
|
||||
|
||||
tc.buf = []Message{}
|
||||
tc.expected = []Message{}
|
||||
}
|
||||
|
||||
func NewTestingRepeater() *Repeater {
|
||||
return &Repeater{
|
||||
clock: FakeClock{},
|
||||
senders: make([]MessageSender, 0, 2),
|
||||
}
|
||||
}
|
||||
|
||||
func TestRepeater(t *testing.T) {
|
||||
r := NewRepeater()
|
||||
r := NewTestingRepeater()
|
||||
|
||||
buf1 := bytes.NewBufferString("buf1")
|
||||
r.Join(buf1)
|
||||
if r.Listeners() != 1 {
|
||||
t.Error("Joining did nothing")
|
||||
}
|
||||
r.Send([]byte("moo"))
|
||||
if buf1.String() != "buf1moo" {
|
||||
t.Error("Client 1 not repeating", buf1)
|
||||
}
|
||||
c1 := NewTestingClient(t)
|
||||
r.Join(c1)
|
||||
c1.Expect(1)
|
||||
|
||||
buf2 := bytes.NewBufferString("buf2")
|
||||
r.Join(buf2)
|
||||
r.Send([]byte("bar"))
|
||||
if buf1.String() != "buf1moobar" {
|
||||
t.Error("Client 1 not repeating", buf1)
|
||||
}
|
||||
if buf2.String() != "buf2bar" {
|
||||
t.Error("Client 2 not repeating", buf2)
|
||||
}
|
||||
r.SendMessage(15 * time.Millisecond)
|
||||
c1.Expect(1, 15)
|
||||
|
||||
r.Part(buf1)
|
||||
r.Send([]byte("baz"))
|
||||
if buf1.String() != "buf1moobar" {
|
||||
t.Error("Client 1 still getting data after part", buf1)
|
||||
}
|
||||
if buf2.String() != "buf2barbaz" {
|
||||
t.Error("Client 2 not getting data after part", buf2)
|
||||
c2 := NewTestingClient(t)
|
||||
r.Join(c2)
|
||||
c1.Expect(2)
|
||||
c2.Expect(2)
|
||||
|
||||
r.SendMessage(58 * time.Millisecond)
|
||||
c1.Expect(2, 58)
|
||||
c2.Expect(2, 58)
|
||||
|
||||
r.Part(c1)
|
||||
c2.Expect(1)
|
||||
|
||||
r.SendMessage(5 * time.Millisecond)
|
||||
c2.Expect(1, 5)
|
||||
if c1.Len() > 0 {
|
||||
t.Error("Client 1 still getting data after part")
|
||||
}
|
||||
}
|
||||
|
|
|
|||
5
go.mod
5
go.mod
|
|
@ -2,4 +2,7 @@ module github.com/nealey/vail
|
|||
|
||||
go 1.12
|
||||
|
||||
require golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5
|
||||
require (
|
||||
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd // indirect
|
||||
nhooyr.io/websocket v1.8.7
|
||||
)
|
||||
|
|
|
|||
70
go.sum
70
go.sum
|
|
@ -1,6 +1,66 @@
|
|||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5 h1:WQ8q63x+f/zpC8Ac1s9wLElVoHhm32p6tudrU72n1QA=
|
||||
golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
|
||||
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
|
||||
github.com/gin-gonic/gin v1.6.3 h1:ahKqKTFpO5KTPHxWZjEdPScmYaGtLo8Y4DMHoEsnp14=
|
||||
github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
|
||||
github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
|
||||
github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
|
||||
github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
|
||||
github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
|
||||
github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
|
||||
github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
|
||||
github.com/go-playground/validator/v10 v10.2.0 h1:KgJ0snyC2R9VXYN2rneOtQcw5aHQB1Vv0sFl1UcHBOY=
|
||||
github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
|
||||
github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee h1:s+21KNqlpePfkah2I+gwHF8xmJWRjooY+5248k6m4A0=
|
||||
github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=
|
||||
github.com/gobwas/pool v0.2.0 h1:QEmUOlnSjWtnpRGHF3SauEiOsy82Cup83Vf2LcMlnc8=
|
||||
github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
|
||||
github.com/gobwas/ws v1.0.2 h1:CoAavW/wd/kulfZmSIBt6p24n4j7tHgNVCjsfHVNUbo=
|
||||
github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
|
||||
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
|
||||
github.com/golang/protobuf v1.3.5 h1:F768QJ1E9tib+q5Sc8MkdJi1RxLTbRcTf8LJV56aRls=
|
||||
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
|
||||
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
|
||||
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
|
||||
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
|
||||
github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
|
||||
github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
|
||||
github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
|
||||
github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
|
||||
github.com/klauspost/compress v1.10.3 h1:OP96hzwJVBIHYU52pVTI6CczrxPvrGfgqF9N5eTO0Q8=
|
||||
github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
|
||||
github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
|
||||
github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
|
||||
github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
|
||||
github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
|
||||
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
|
||||
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
|
||||
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
|
||||
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
|
||||
github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
|
||||
github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
|
||||
github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
|
||||
github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
|
||||
golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
|
||||
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
|
||||
golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
|
||||
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
||||
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
|
||||
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
|
||||
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
|
||||
nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
|
||||
|
|
|
|||
|
|
@ -46,7 +46,7 @@
|
|||
<div class="level-right">
|
||||
<div class="level-item">
|
||||
<!-- This appears as a little light that turns on when someone's sending -->
|
||||
<span class="tag" id="recv">
|
||||
<span class="tag recv-lamp">
|
||||
<output class="has-text-info" id="note"></output>
|
||||
<i class="mdi mdi-volume-off" id="muted"></i>
|
||||
</span>
|
||||
|
|
|
|||
|
|
@ -2,9 +2,14 @@ class Input {
|
|||
constructor(keyer) {
|
||||
this.keyer = keyer
|
||||
}
|
||||
|
||||
SetDitDuration(delay) {
|
||||
// Nothing
|
||||
}
|
||||
|
||||
SetKeyerMode(mode) {
|
||||
// Nothing
|
||||
}
|
||||
}
|
||||
|
||||
export class HTML extends Input{
|
||||
|
|
@ -103,6 +108,8 @@ export class Keyboard extends Input{
|
|||
export class MIDI extends Input{
|
||||
constructor(keyer) {
|
||||
super(keyer)
|
||||
this.ditDuration = 100
|
||||
this.keyerMode = 0
|
||||
|
||||
this.midiAccess = {outputs: []} // stub while we wait for async stuff
|
||||
if (navigator.requestMIDIAccess) {
|
||||
|
|
@ -117,12 +124,28 @@ export class MIDI extends Input{
|
|||
this.midiStateChange()
|
||||
}
|
||||
|
||||
SetIntervalDuration(delay) {
|
||||
// Send the Vail adapter the current iambic delay setting
|
||||
sendState() {
|
||||
for (let output of this.midiAccess.outputs.values()) {
|
||||
// MIDI only supports 7-bit values, so we have to divide it by two
|
||||
output.send([0x8B, 0x01, delay/2])
|
||||
// Turn off keyboard mode
|
||||
output.send([0xB0, 0x00, 0x00])
|
||||
|
||||
// MIDI only supports 7-bit values, so we have to divide ditduration by two
|
||||
output.send([0xB0, 0x01, this.ditDuration/2])
|
||||
|
||||
// Send keyer mode
|
||||
output.send([0xC0, this.keyerMode])
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
SetDitDuration(duration) {
|
||||
this.ditDuration = duration
|
||||
this.sendState()
|
||||
}
|
||||
|
||||
SetKeyerMode(mode) {
|
||||
this.keyerMode = mode
|
||||
this.sendState()
|
||||
}
|
||||
|
||||
midiStateChange(event) {
|
||||
|
|
@ -135,9 +158,7 @@ export class MIDI extends Input{
|
|||
}
|
||||
|
||||
// Tell the Vail adapter to disable keyboard events: we can do MIDI!
|
||||
for (let output of this.midiAccess.outputs.values()) {
|
||||
output.send([0x8B, 0x00, 0x00]) // Turn off keyboard mode
|
||||
}
|
||||
this.sendState()
|
||||
}
|
||||
|
||||
midiMessage(event) {
|
||||
|
|
@ -229,16 +250,36 @@ export class Gamepad extends Input{
|
|||
}
|
||||
}
|
||||
|
||||
class Collection {
|
||||
constructor(keyer) {
|
||||
this.html =new HTML(keyer)
|
||||
this.keyboard =new Keyboard(keyer)
|
||||
this.midi =new MIDI(keyer)
|
||||
this.gamepad =new Gamepad(keyer)
|
||||
this.collection = [this.html, this.keyboard, this.midi, this.gamepad]
|
||||
}
|
||||
|
||||
/**
|
||||
* Set up all input methods
|
||||
* Set duration of all inputs
|
||||
*
|
||||
* @param keyer Keyer object for everyone to use
|
||||
* @param duration Duration to set
|
||||
*/
|
||||
export function SetupAll(keyer) {
|
||||
return {
|
||||
HTML: new HTML(keyer),
|
||||
Keyboard: new Keyboard(keyer),
|
||||
MIDI: new MIDI(keyer),
|
||||
Gamepad: new Gamepad(keyer),
|
||||
SetDitDuration(duration) {
|
||||
for (let e of this.collection) {
|
||||
e.SetDitDuration(duration)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Set keyer mode of all inputs
|
||||
*
|
||||
* @param mode Keyer mode to set
|
||||
*/
|
||||
SetKeyerMode(mode) {
|
||||
for (let e of this.collection) {
|
||||
e.SetKeyerMode(mode)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export {Collection}
|
||||
|
|
|
|||
|
|
@ -53,10 +53,17 @@ class QSet extends Set {
|
|||
}
|
||||
|
||||
/**
|
||||
* A callback to start or stop transmission
|
||||
* Definition of a transmitter type.
|
||||
*
|
||||
* @callback TxControl
|
||||
* The VailClient class implements this.
|
||||
*/
|
||||
class Transmitter {
|
||||
/** Begin transmitting */
|
||||
BeginTx() {}
|
||||
|
||||
/** End transmitting */
|
||||
EndTx() {}
|
||||
}
|
||||
|
||||
/**
|
||||
* A straight keyer.
|
||||
|
|
@ -67,12 +74,10 @@ class QSet extends Set {
|
|||
*/
|
||||
class StraightKeyer {
|
||||
/**
|
||||
* @param {TxControl} beginTxFunc Callback to begin transmitting
|
||||
* @param {TxControl} endTxFunc Callback to end transmitting
|
||||
* @param {Transmitter} output Transmitter object
|
||||
*/
|
||||
constructor(beginTxFunc, endTxFunc) {
|
||||
this.beginTxFunc = beginTxFunc
|
||||
this.endTxFunc = endTxFunc
|
||||
constructor(output) {
|
||||
this.output = output
|
||||
this.Reset()
|
||||
}
|
||||
|
||||
|
|
@ -89,7 +94,7 @@ class StraightKeyer {
|
|||
* Reset state and stop all transmissions.
|
||||
*/
|
||||
Reset() {
|
||||
this.endTxFunc()
|
||||
this.output.EndTx()
|
||||
this.txRelays = []
|
||||
}
|
||||
|
||||
|
|
@ -140,9 +145,9 @@ class StraightKeyer {
|
|||
|
||||
if (wasClosed != nowClosed) {
|
||||
if (nowClosed) {
|
||||
this.beginTxFunc()
|
||||
this.output.BeginTx()
|
||||
} else {
|
||||
this.endTxFunc()
|
||||
this.output.EndTx()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -471,6 +476,19 @@ const Keyers = {
|
|||
robo: RoboKeyer.Keyer,
|
||||
}
|
||||
|
||||
export {
|
||||
Keyers,
|
||||
const Numbers = {
|
||||
straight: 1,
|
||||
cootie: 1,
|
||||
bug: 2,
|
||||
elbug: 3,
|
||||
singledot: 4,
|
||||
ultimatic: 5,
|
||||
iambic: 6,
|
||||
iambica: 7,
|
||||
iambicb: 8,
|
||||
keyahead: 9,
|
||||
}
|
||||
|
||||
export {
|
||||
Keyers, Numbers,
|
||||
}
|
||||
|
|
|
|||
|
|
@ -27,7 +27,9 @@ const Second = 1000 * Millisecond
|
|||
const OscillatorRampDuration = 5*Millisecond
|
||||
|
||||
console.warn("Chrome will now complain about an AudioContext not being allowed to start. This is normal, and there is no way to make Chrome stop complaining about this.")
|
||||
const BuzzerAudioContext = new AudioContext()
|
||||
const BuzzerAudioContext = new AudioContext({
|
||||
latencyHint: 0,
|
||||
})
|
||||
/**
|
||||
* Compute the special "Audio Context" time
|
||||
*
|
||||
|
|
@ -42,13 +44,6 @@ function BuzzerAudioContextTime(when) {
|
|||
return Math.max(when - acOffset, 0) / Second
|
||||
}
|
||||
|
||||
/**
|
||||
* Block until the audio system is able to start making noise.
|
||||
*/
|
||||
async function Ready() {
|
||||
await BuzzerAudioContext.resume()
|
||||
}
|
||||
|
||||
class Oscillator {
|
||||
/**
|
||||
* Create a new oscillator, and encase it in a Gain for control.
|
||||
|
|
@ -142,6 +137,10 @@ class Sample {
|
|||
* A (mostly) virtual class defining a buzzer.
|
||||
*/
|
||||
class Buzzer {
|
||||
constructor() {
|
||||
this.connected = true
|
||||
}
|
||||
|
||||
/**
|
||||
* Signal an error
|
||||
*/
|
||||
|
|
@ -155,7 +154,7 @@ class Buzzer {
|
|||
* @param {boolean} tx Transmit or receive tone
|
||||
* @param {number} when Time to begin, in ms (0=now)
|
||||
*/
|
||||
Buzz(tx, when=0) {
|
||||
async Buzz(tx, when=0) {
|
||||
console.log("Buzz", tx, when)
|
||||
}
|
||||
|
||||
|
|
@ -165,7 +164,7 @@ class Buzzer {
|
|||
* @param {boolean} tx Transmit or receive tone
|
||||
* @param {number} when Time to end, in ms (0=now)
|
||||
*/
|
||||
Silence(tx, when=0) {
|
||||
async Silence(tx, when=0) {
|
||||
console.log("Silence", tx, when)
|
||||
}
|
||||
|
||||
|
|
@ -180,6 +179,15 @@ class Buzzer {
|
|||
this.Buzz(tx, when)
|
||||
this.Silence(tx, when + duration)
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the "connectedness" indicator.
|
||||
*
|
||||
* @param {boolean} connected True if connected
|
||||
*/
|
||||
SetConnected(connected) {
|
||||
this.connected = connected
|
||||
}
|
||||
}
|
||||
|
||||
class AudioBuzzer extends Buzzer {
|
||||
|
|
@ -210,6 +218,10 @@ class ToneBuzzer extends AudioBuzzer {
|
|||
|
||||
this.rxOsc = new Oscillator(lowFreq, txGain)
|
||||
this.txOsc = new Oscillator(highFreq, txGain)
|
||||
|
||||
// Keep the speaker going always. This keeps the browser from "swapping out" our audio context.
|
||||
this.bgOsc = new Oscillator(1, 0.001)
|
||||
this.bgOsc.SoundAt()
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -218,7 +230,7 @@ class ToneBuzzer extends AudioBuzzer {
|
|||
* @param {boolean} tx Transmit or receive tone
|
||||
* @param {number} when Time to begin, in ms (0=now)
|
||||
*/
|
||||
Buzz(tx, when = null) {
|
||||
async Buzz(tx, when = null) {
|
||||
let osc = tx?this.txOsc:this.rxOsc
|
||||
osc.SoundAt(when)
|
||||
}
|
||||
|
|
@ -229,7 +241,7 @@ class ToneBuzzer extends AudioBuzzer {
|
|||
* @param {boolean} tx Transmit or receive tone
|
||||
* @param {number} when Time to end, in ms (0=now)
|
||||
*/
|
||||
Silence(tx, when = null) {
|
||||
async Silence(tx, when = null) {
|
||||
let osc = tx?this.txOsc:this.rxOsc
|
||||
osc.HushAt(when)
|
||||
}
|
||||
|
|
@ -249,7 +261,7 @@ class TelegraphBuzzer extends AudioBuzzer{
|
|||
this.openSample = new Sample("telegraph-b.mp3")
|
||||
}
|
||||
|
||||
Buzz(tx, when=0) {
|
||||
async Buzz(tx, when=0) {
|
||||
if (tx) {
|
||||
this.hum.SoundAt(when)
|
||||
} else {
|
||||
|
|
@ -257,7 +269,7 @@ class TelegraphBuzzer extends AudioBuzzer{
|
|||
}
|
||||
}
|
||||
|
||||
Silence(tx ,when=0) {
|
||||
async Silence(tx ,when=0) {
|
||||
if (tx) {
|
||||
this.hum.HushAt(when)
|
||||
} else {
|
||||
|
|
@ -266,29 +278,196 @@ class TelegraphBuzzer extends AudioBuzzer{
|
|||
}
|
||||
}
|
||||
|
||||
class Lamp extends Buzzer {
|
||||
constructor(element) {
|
||||
class LampBuzzer extends Buzzer {
|
||||
constructor() {
|
||||
super()
|
||||
this.element = element
|
||||
this.elements = document.querySelectorAll(".recv-lamp")
|
||||
}
|
||||
|
||||
Buzz(tx, when=0) {
|
||||
async Buzz(tx, when=0) {
|
||||
if (tx) return
|
||||
|
||||
let ms = when?when - Date.now():0
|
||||
setTimeout(
|
||||
() =>{
|
||||
this.element.classList.add("rx")
|
||||
for (let e of this.elements) {
|
||||
e.classList.add("rx")
|
||||
}
|
||||
},
|
||||
ms,
|
||||
)
|
||||
}
|
||||
Silence(tx, when=0) {
|
||||
async Silence(tx, when=0) {
|
||||
if (tx) return
|
||||
|
||||
let ms = when?when - Date.now():0
|
||||
setTimeout(() => this.element.classList.remove("rx"), ms)
|
||||
setTimeout(
|
||||
() => {
|
||||
for (let e of this.elements) {
|
||||
e.classList.remove("rx")
|
||||
}
|
||||
},
|
||||
ms,
|
||||
)
|
||||
}
|
||||
|
||||
SetConnected(connected) {
|
||||
for (let e of this.elements) {
|
||||
if (connected) {
|
||||
e.classList.add("connected")
|
||||
} else {
|
||||
e.classList.remove("connected")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export {Ready, ToneBuzzer, TelegraphBuzzer, Lamp}
|
||||
class MIDIBuzzer extends Buzzer {
|
||||
constructor() {
|
||||
super()
|
||||
this.SetNote(69) // A4; 440Hz
|
||||
|
||||
this.midiAccess = {outputs: []} // stub while we wait for async stuff
|
||||
if (navigator.requestMIDIAccess) {
|
||||
this.midiInit()
|
||||
}
|
||||
}
|
||||
|
||||
async midiInit(access) {
|
||||
this.outputs = new Set()
|
||||
this.midiAccess = await navigator.requestMIDIAccess()
|
||||
this.midiAccess.addEventListener("statechange", e => this.midiStateChange(e))
|
||||
this.midiStateChange()
|
||||
}
|
||||
|
||||
midiStateChange(event) {
|
||||
let newOutputs = new Set()
|
||||
for (let output of this.midiAccess.outputs.values()) {
|
||||
if ((output.state != "connected") || (output.name.includes("Through"))) {
|
||||
continue
|
||||
}
|
||||
newOutputs.add(output)
|
||||
}
|
||||
this.outputs = newOutputs
|
||||
}
|
||||
|
||||
sendAt(when, message) {
|
||||
let ms = when?when - Date.now():0
|
||||
setTimeout(
|
||||
() => {
|
||||
for (let output of this.outputs) {
|
||||
output.send(message)
|
||||
}
|
||||
},
|
||||
ms,
|
||||
)
|
||||
}
|
||||
|
||||
async Buzz(tx, when=0) {
|
||||
if (tx) {
|
||||
return
|
||||
}
|
||||
|
||||
this.sendAt(when, [0x90, this.note, 0x7f])
|
||||
}
|
||||
|
||||
async Silence(tx, when=0) {
|
||||
if (tx) {
|
||||
return
|
||||
}
|
||||
|
||||
this.sendAt(when, [0x80, this.note, 0x7f])
|
||||
}
|
||||
|
||||
/*
|
||||
* Set note to transmit
|
||||
*/
|
||||
SetNote(tx, note) {
|
||||
if (tx) {
|
||||
return
|
||||
}
|
||||
this.note = note
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Block until the audio system is able to start making noise.
|
||||
*/
|
||||
async function AudioReady() {
|
||||
await BuzzerAudioContext.resume()
|
||||
}
|
||||
|
||||
class Collection {
|
||||
constructor() {
|
||||
this.tone = new ToneBuzzer()
|
||||
this.telegraph = new TelegraphBuzzer()
|
||||
this.lamp = new LampBuzzer()
|
||||
this.midi = new MIDIBuzzer()
|
||||
this.collection = new Set([this.tone, this.lamp, this.midi])
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the audio output type.
|
||||
*
|
||||
* @param {string} audioType "telegraph" for telegraph mode, otherwise tone mode
|
||||
*/
|
||||
SetAudioType(audioType) {
|
||||
this.collection.delete(this.telegraph)
|
||||
this.collection.delete(this.tone)
|
||||
if (audioType == "telegraph") {
|
||||
this.collection.add(this.telegraph)
|
||||
} else {
|
||||
this.collection.add(this.tone)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Buzz all outputs.
|
||||
*
|
||||
* @param tx True if transmitting
|
||||
*/
|
||||
Buzz(tx=False) {
|
||||
for (let b of this.collection) {
|
||||
b.Buzz(tx)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Silence all outputs.
|
||||
*
|
||||
* @param tx True if transmitting
|
||||
*/
|
||||
Silence(tx=false) {
|
||||
for (let b of this.collection) {
|
||||
b.Silence(tx)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Buzz for a certain duration at a certain time
|
||||
*
|
||||
* @param tx True if transmitting
|
||||
* @param when Time to begin
|
||||
* @param duration How long to buzz
|
||||
*/
|
||||
BuzzDuration(tx, when, duration) {
|
||||
for (let b of this.collection) {
|
||||
b.BuzzDuration(tx, when, duration)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Update the "connected" status display.
|
||||
*
|
||||
* For example, turn the receive light to black if the repeater is not connected.
|
||||
*
|
||||
* @param {boolean} connected True if we are "connected"
|
||||
*/
|
||||
SetConnected(connected) {
|
||||
for (let b of this.collection) {
|
||||
b.SetConnected(connected)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export {AudioReady, Collection}
|
||||
|
|
@ -4,6 +4,25 @@ const Millisecond = 1
|
|||
const Second = 1000 * Millisecond
|
||||
const Minute = 60 * Second
|
||||
|
||||
/**
|
||||
* Compare two messages
|
||||
*
|
||||
* @param {Object} m1 First message
|
||||
* @param {Object} m2 Second message
|
||||
* @returns {Boolean} true if messages are equal
|
||||
*/
|
||||
function MessageEqual(m1, m2) {
|
||||
if ((m1.Timestamp != m2.Timestamp) || (m1.Duration.length != m2.Duration.length)) {
|
||||
return false
|
||||
}
|
||||
for (let i=0; i < m1.Duration.length; i++) {
|
||||
if (m1.Duration[i] != m2.Duration[i]) {
|
||||
return false
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
export class Vail {
|
||||
constructor(rx, name) {
|
||||
this.rx = rx
|
||||
|
|
@ -11,6 +30,7 @@ export class Vail {
|
|||
this.lagDurations = []
|
||||
this.sent = []
|
||||
this.wantConnected = true
|
||||
this.connected = false
|
||||
|
||||
this.wsUrl = new URL("chat", window.location)
|
||||
this.wsUrl.protocol = this.wsUrl.protocol.replace("http", "ws")
|
||||
|
|
@ -24,18 +44,25 @@ export class Vail {
|
|||
if (!this.wantConnected) {
|
||||
return
|
||||
}
|
||||
this.rx(0, 0, {connected: false})
|
||||
console.info("Attempting to reconnect", this.wsUrl.href)
|
||||
this.clockOffset = 0
|
||||
this.socket = new WebSocket(this.wsUrl)
|
||||
this.socket = new WebSocket(this.wsUrl, ["json.vail.woozle.org"])
|
||||
this.socket.addEventListener("message", e => this.wsMessage(e))
|
||||
this.socket.addEventListener("close", () => this.reopen())
|
||||
this.socket.addEventListener(
|
||||
"open",
|
||||
msg => {
|
||||
this.connected = true
|
||||
this.rx(0, 0, {connected: true})
|
||||
}
|
||||
|
||||
stats() {
|
||||
return {
|
||||
averageLag: this.lagDurations.reduce((a,b) => (a+b), 0) / this.lagDurations.length,
|
||||
clockOffset: this.clockOffset,
|
||||
)
|
||||
this.socket.addEventListener(
|
||||
"close",
|
||||
msg => {
|
||||
console.error("Repeater connection dropped:", msg.reason)
|
||||
setTimeout(() => this.reopen(), 2*Second)
|
||||
}
|
||||
)
|
||||
}
|
||||
|
||||
wsMessage(event) {
|
||||
|
|
@ -46,48 +73,56 @@ export class Vail {
|
|||
msg = JSON.parse(jmsg)
|
||||
}
|
||||
catch (err) {
|
||||
console.error(err, jmsg)
|
||||
console.error(jmsg)
|
||||
return
|
||||
}
|
||||
let stats = {
|
||||
averageLag: this.lagDurations.reduce((a,b) => (a+b), 0) / this.lagDurations.length,
|
||||
clockOffset: this.clockOffset,
|
||||
clients: msg.Clients,
|
||||
connected: this.connected,
|
||||
}
|
||||
if (typeof(msg) == "string") {
|
||||
console.error(msg)
|
||||
return
|
||||
}
|
||||
|
||||
let beginTxTime = msg[0]
|
||||
let durations = msg.slice(1)
|
||||
|
||||
// Why is this happening?
|
||||
if (beginTxTime == 0) {
|
||||
// XXX: Why is this happening?
|
||||
if (msg.Timestamp == 0) {
|
||||
return
|
||||
}
|
||||
|
||||
let sent = this.sent.filter(e => e != jmsg)
|
||||
let sent = this.sent.filter(m => !MessageEqual(msg, m))
|
||||
if (sent.length < this.sent.length) {
|
||||
// We're getting our own message back, which tells us our lag.
|
||||
// We shouldn't emit a tone, though.
|
||||
let totalDuration = durations.reduce((a, b) => a + b)
|
||||
let totalDuration = msg.Duration.reduce((a, b) => a + b)
|
||||
this.sent = sent
|
||||
this.lagDurations.unshift(now - this.clockOffset - beginTxTime - totalDuration)
|
||||
this.lagDurations.unshift(now - this.clockOffset - msg.Timestamp - totalDuration)
|
||||
this.lagDurations.splice(20, 2)
|
||||
this.rx(0, 0, this.stats())
|
||||
this.rx(0, 0, stats)
|
||||
return
|
||||
}
|
||||
|
||||
// The very first packet is the server telling us the current time
|
||||
if (durations.length == 0) {
|
||||
// Packets with 0 length tell us what time the server thinks it is,
|
||||
// and how many clients are connected
|
||||
if (msg.Duration.length == 0) {
|
||||
if (this.clockOffset == 0) {
|
||||
this.clockOffset = now - beginTxTime
|
||||
this.rx(0, 0, this.stats())
|
||||
this.clockOffset = now - msg.Timestamp
|
||||
this.rx(0, 0, stats)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// Adjust playback time to clock offset
|
||||
let adjustedTxTime = beginTxTime + this.clockOffset
|
||||
let adjustedTxTime = msg.Timestamp + this.clockOffset
|
||||
|
||||
// Every second value is a silence duration
|
||||
let tx = true
|
||||
for (let duration of durations) {
|
||||
for (let duration of msg.Duration) {
|
||||
duration = Number(duration)
|
||||
if (tx && (duration > 0)) {
|
||||
this.rx(adjustedTxTime, duration, this.stats())
|
||||
this.rx(adjustedTxTime, duration, stats)
|
||||
}
|
||||
adjustedTxTime = Number(adjustedTxTime) + duration
|
||||
tx = !tx
|
||||
|
|
@ -97,13 +132,17 @@ export class Vail {
|
|||
/**
|
||||
* Send a transmission
|
||||
*
|
||||
* @param {number} time When to play this transmission
|
||||
* @param {number} timestamp When to play this transmission
|
||||
* @param {number} duration How long the transmission is
|
||||
* @param {boolean} squelch True to mute this tone when we get it back from the repeater
|
||||
*/
|
||||
Transmit(time, duration, squelch=true) {
|
||||
let msg = [time - this.clockOffset, duration]
|
||||
Transmit(timestamp, duration, squelch=true) {
|
||||
let msg = {
|
||||
Timestamp: timestamp,
|
||||
Duration: [duration],
|
||||
}
|
||||
let jmsg = JSON.stringify(msg)
|
||||
|
||||
if (this.socket.readyState != 1) {
|
||||
// If we aren't connected, complain.
|
||||
console.error("Not connected, dropping", jmsg)
|
||||
|
|
@ -111,7 +150,7 @@ export class Vail {
|
|||
}
|
||||
this.socket.send(jmsg)
|
||||
if (squelch) {
|
||||
this.sent.push(jmsg)
|
||||
this.sent.push(msg)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -122,13 +161,14 @@ export class Vail {
|
|||
}
|
||||
|
||||
export class Null {
|
||||
constructor(rx) {
|
||||
constructor(rx, interval=3*Second) {
|
||||
this.rx = rx
|
||||
this.interval = setInterval(() => this.pulse(), 3 * Second)
|
||||
this.interval = setInterval(() => this.pulse(), interval)
|
||||
this.pulse()
|
||||
}
|
||||
|
||||
pulse() {
|
||||
this.rx(0, 0, {note: "local"})
|
||||
this.rx(0, 0, {note: "local", connected: false})
|
||||
}
|
||||
|
||||
Transmit(time, duration, squelch=true) {
|
||||
|
|
@ -139,38 +179,32 @@ export class Null {
|
|||
}
|
||||
}
|
||||
|
||||
export class Echo {
|
||||
export class Echo extends Null {
|
||||
constructor(rx, delay=0) {
|
||||
this.rx = rx
|
||||
super(rx)
|
||||
this.delay = delay
|
||||
this.Transmit(0, 0)
|
||||
}
|
||||
|
||||
Transmit(time, duration, squelch=true) {
|
||||
this.rx(time + this.delay, duration, {note: "local"})
|
||||
}
|
||||
|
||||
Close() {
|
||||
}
|
||||
}
|
||||
|
||||
export class Fortune {
|
||||
export class Fortune extends Null {
|
||||
/**
|
||||
*
|
||||
* @param rx Receive callback
|
||||
* @param {Keyer} keyer Keyer object
|
||||
*/
|
||||
constructor(rx, keyer) {
|
||||
this.rx = rx
|
||||
super(rx, 1*Minute)
|
||||
this.keyer = keyer
|
||||
|
||||
this.interval = setInterval(() => this.pulse(), 1 * Minute)
|
||||
this.pulse()
|
||||
}
|
||||
|
||||
pulse() {
|
||||
this.rx(0, 0, {note: "local"})
|
||||
if (this.keyer.Busy()) {
|
||||
super.pulse()
|
||||
if (!this.keyer || this.keyer.Busy()) {
|
||||
return
|
||||
}
|
||||
|
||||
|
|
@ -178,12 +212,8 @@ export class Fortune {
|
|||
this.keyer.EnqueueAsciiString(`${fortune} \x04 `)
|
||||
}
|
||||
|
||||
Transmit(time, duration, squelch=true) {
|
||||
// Do nothing.
|
||||
}
|
||||
|
||||
Close() {
|
||||
this.keyer.Flush()
|
||||
clearInterval(this.interval)
|
||||
super.Close()
|
||||
}
|
||||
}
|
||||
|
|
@ -16,8 +16,18 @@
|
|||
-webkit-user-select: none; /* 2022-04-26 Safari still needs this */
|
||||
}
|
||||
|
||||
#recv.rx {
|
||||
.tag.recv-lamp {
|
||||
background-color: #444;
|
||||
color: white;
|
||||
}
|
||||
.tag.recv-lamp.connected {
|
||||
background-color: #fec;
|
||||
color: black;
|
||||
}
|
||||
.tag.recv-lamp.rx,
|
||||
.tag.recv-lamp.connected.rx {
|
||||
background-color: orange;
|
||||
color: black;
|
||||
}
|
||||
|
||||
input[type=range] {
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
import {Keyers} from "./keyers.mjs"
|
||||
import * as Buzzer from "./buzzer.mjs"
|
||||
import * as Keyers from "./keyers.mjs"
|
||||
import * as Outputs from "./outputs.mjs"
|
||||
import * as Inputs from "./inputs.mjs"
|
||||
import * as Repeaters from "./repeaters.mjs"
|
||||
import * as Chart from "./chart.mjs"
|
||||
|
|
@ -10,7 +10,7 @@ const Second = 1000 * Millisecond
|
|||
const Minute = 60 * Second
|
||||
|
||||
/**
|
||||
* Pop up a message, using an notification..
|
||||
* Pop up a message, using an notification.
|
||||
*
|
||||
* @param {string} msg Message to display
|
||||
*/
|
||||
|
|
@ -37,23 +37,24 @@ class VailClient {
|
|||
this.rxDelay = 0 * Millisecond // Time to add to incoming timestamps
|
||||
this.beginTxTime = null // Time when we began transmitting
|
||||
|
||||
// Make helpers
|
||||
this.lamp = new Buzzer.Lamp(document.querySelector("#recv"))
|
||||
this.buzzer = new Buzzer.ToneBuzzer()
|
||||
this.straightKeyer = new Keyers.straight(() => this.beginTx(), () => this.endTx())
|
||||
this.keyer = new Keyers.straight(() => this.beginTx(), () => this.endTx())
|
||||
this.roboKeyer = new Keyers.robo(() => this.Buzz(), () => this.Silence())
|
||||
// Outputs
|
||||
this.outputs = new Outputs.Collection()
|
||||
|
||||
// Keyers
|
||||
this.straightKeyer = new Keyers.Keyers.straight(this)
|
||||
this.keyer = new Keyers.Keyers.straight(this)
|
||||
this.roboKeyer = new Keyers.Keyers.robo(() => this.Buzz(), () => this.Silence())
|
||||
|
||||
// Set up various input methods
|
||||
// Send this as the keyer so we can intercept dit and dah events for charts
|
||||
this.inputs = Inputs.SetupAll(this)
|
||||
this.inputs = new Inputs.Collection(this)
|
||||
|
||||
// Maximize button
|
||||
for (let e of document.querySelectorAll("button.maximize")) {
|
||||
e.addEventListener("click", e => this.maximize(e))
|
||||
}
|
||||
for (let e of document.querySelectorAll("#ck")) {
|
||||
e.addEventListener("click", e => this.test())
|
||||
e.addEventListener("click", e => this.check())
|
||||
}
|
||||
for (let e of document.querySelectorAll("#reset")) {
|
||||
e.addEventListener("click", e => this.reset())
|
||||
|
|
@ -69,9 +70,7 @@ class VailClient {
|
|||
}
|
||||
this.keyer.SetDitDuration(this.ditDuration)
|
||||
this.roboKeyer.SetDitDuration(this.ditDuration)
|
||||
for (let i of Object.values(this.inputs)) {
|
||||
i.SetDitDuration(this.ditDuration)
|
||||
}
|
||||
this.inputs.SetDitDuration(this.ditDuration)
|
||||
})
|
||||
this.inputInit("#rx-delay", e => {
|
||||
this.rxDelay = e.target.value * Second
|
||||
|
|
@ -89,7 +88,7 @@ class VailClient {
|
|||
this.setTimingCharts(true)
|
||||
|
||||
// Turn off the "muted" symbol when we can start making noise
|
||||
Buzzer.Ready()
|
||||
Outputs.AudioReady()
|
||||
.then(() => {
|
||||
console.log("Audio context ready")
|
||||
document.querySelector("#muted").classList.add("is-hidden")
|
||||
|
|
@ -117,12 +116,13 @@ class VailClient {
|
|||
}
|
||||
|
||||
setKeyer(keyerName) {
|
||||
let newKeyerClass = Keyers[keyerName]
|
||||
let newKeyerClass = Keyers.Keyers[keyerName]
|
||||
let newKeyerNumber = Keyers.Numbers[keyerName]
|
||||
if (!newKeyerClass) {
|
||||
console.error("Keyer not found", keyerName)
|
||||
return
|
||||
}
|
||||
let newKeyer = new newKeyerClass(() => this.beginTx(), () => this.endTx())
|
||||
let newKeyer = new newKeyerClass(this)
|
||||
let i = 0
|
||||
for (let keyName of newKeyer.KeyNames()) {
|
||||
let e = document.querySelector(`.key[data-key="${i}"]`)
|
||||
|
|
@ -132,24 +132,23 @@ class VailClient {
|
|||
this.keyer.Release()
|
||||
this.keyer = newKeyer
|
||||
|
||||
this.inputs.SetKeyerMode(newKeyerNumber)
|
||||
|
||||
document.querySelector("#keyer-rate").dispatchEvent(new Event("input"))
|
||||
}
|
||||
|
||||
Buzz() {
|
||||
this.buzzer.Buzz()
|
||||
this.lamp.Buzz()
|
||||
this.outputs.Buzz(false)
|
||||
if (this.rxChart) this.rxChart.Set(1)
|
||||
}
|
||||
|
||||
Silence() {
|
||||
this.buzzer.Silence()
|
||||
this.lamp.Silence()
|
||||
this.outputs.Silence()
|
||||
if (this.rxChart) this.rxChart.Set(0)
|
||||
}
|
||||
|
||||
BuzzDuration(tx, when, duration) {
|
||||
this.buzzer.BuzzDuration(tx, when, duration)
|
||||
this.lamp.BuzzDuration(tx, when, duration)
|
||||
this.outputs.BuzzDuration(tx, when, duration)
|
||||
|
||||
let chart = tx?this.txChart:this.rxChart
|
||||
if (chart) {
|
||||
|
|
@ -163,10 +162,11 @@ class VailClient {
|
|||
*
|
||||
* Called from the keyer.
|
||||
*/
|
||||
beginTx() {
|
||||
BeginTx() {
|
||||
this.beginTxTime = Date.now()
|
||||
this.buzzer.Buzz(true)
|
||||
this.outputs.Buzz(true)
|
||||
if (this.txChart) this.txChart.Set(1)
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -174,13 +174,13 @@ class VailClient {
|
|||
*
|
||||
* Called from the keyer
|
||||
*/
|
||||
endTx() {
|
||||
EndTx() {
|
||||
if (!this.beginTxTime) {
|
||||
return
|
||||
}
|
||||
let endTxTime = Date.now()
|
||||
let duration = endTxTime - this.beginTxTime
|
||||
this.buzzer.Silence(true)
|
||||
this.outputs.Silence(true)
|
||||
this.repeater.Transmit(this.beginTxTime, duration)
|
||||
this.beginTxTime = null
|
||||
if (this.txChart) this.txChart.Set(0)
|
||||
|
|
@ -222,10 +222,10 @@ class VailClient {
|
|||
*/
|
||||
setTelegraphBuzzer(enable) {
|
||||
if (enable) {
|
||||
this.buzzer = new Buzzer.TelegraphBuzzer()
|
||||
this.outputs.SetAudioType("telegraph")
|
||||
toast("Telegraphs only make sound when receiving!")
|
||||
} else {
|
||||
this.buzzer = new Buzzer.ToneBuzzer()
|
||||
this.outputs.SetAudioType()
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -281,7 +281,7 @@ class VailClient {
|
|||
number = Number(numberMatch[0])
|
||||
}
|
||||
|
||||
if (name.startsWith("Fortunes")) {
|
||||
if (name.startsWith("Fortunesf")) {
|
||||
this.roboKeyer.SetPauseMultiplier(number || 1)
|
||||
this.repeater = new Repeaters.Fortune(rx, this.roboKeyer)
|
||||
} else if (name.startsWith("Echo")) {
|
||||
|
|
@ -343,7 +343,7 @@ class VailClient {
|
|||
*/
|
||||
error(msg) {
|
||||
toast(msg)
|
||||
this.buzzer.Error()
|
||||
this.outputs.Error()
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -375,7 +375,10 @@ class VailClient {
|
|||
let longestRxDuration = this.rxDurations.reduce((a,b) => Math.max(a,b))
|
||||
let suggestedDelay = ((averageLag + longestRxDuration) * 1.2).toFixed(0)
|
||||
|
||||
this.updateReading("#note", stats.note || "☁")
|
||||
if (stats.connected !== undefined) {
|
||||
this.outputs.SetConnected(stats.connected)
|
||||
}
|
||||
this.updateReading("#note", stats.note || stats.clients || "😎")
|
||||
this.updateReading("#lag-value", averageLag)
|
||||
this.updateReading("#longest-rx-value", longestRxDuration)
|
||||
this.updateReading("#suggested-delay-value", suggestedDelay)
|
||||
|
|
@ -416,7 +419,7 @@ class VailClient {
|
|||
/**
|
||||
* Send "CK" to server, and don't squelch the echo
|
||||
*/
|
||||
test() {
|
||||
check() {
|
||||
let when = Date.now()
|
||||
let dit = this.ditDuration
|
||||
let dah = dit * 3
|
||||
|
|
|
|||
Loading…
Reference in New Issue