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Server-side support for protocol 2.
The "time" field of messages is now a string in RFC 3339 format, and there is a new "error" field in messages.
This commit is contained in:
parent
c58064d923
commit
a1c1345719
3 changed files with 19 additions and 43 deletions
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@ -60,7 +60,7 @@ func (err ProtocolError) Error() string {
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type ChatHistoryEntry struct {
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Id string
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User string
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Time int64
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Time time.Time
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Kind string
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Value interface{}
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}
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@ -760,18 +760,6 @@ func (g *Group) WallOps(message string) {
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}
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}
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func FromJSTime(tm int64) time.Time {
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if tm == 0 {
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return time.Time{}
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}
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return time.Unix(int64(tm)/1000, (int64(tm)%1000)*1000000)
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}
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func ToJSTime(tm time.Time) int64 {
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return int64((tm.Sub(time.Unix(0, 0)) + time.Millisecond/2) /
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time.Millisecond)
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}
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const maxChatHistory = 50
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func (g *Group) ClearChatHistory() {
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@ -780,7 +768,7 @@ func (g *Group) ClearChatHistory() {
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g.history = nil
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}
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func (g *Group) AddToChatHistory(id, user string, time int64, kind string, value interface{}) {
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func (g *Group) AddToChatHistory(id, user string, time time.Time, kind string, value interface{}) {
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g.mu.Lock()
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defer g.mu.Unlock()
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@ -796,7 +784,7 @@ func (g *Group) AddToChatHistory(id, user string, time int64, kind string, value
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func discardObsoleteHistory(h []ChatHistoryEntry, duration time.Duration) []ChatHistoryEntry {
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i := 0
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for i < len(h) {
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if time.Since(FromJSTime(h[i].Time)) <= duration {
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if time.Since(h[i].Time) <= duration {
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break
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}
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i++
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@ -47,28 +47,12 @@ func TestGroup(t *testing.T) {
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}
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}
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func TestJSTime(t *testing.T) {
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tm := time.Now()
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js := ToJSTime(tm)
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tm2 := FromJSTime(js)
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js2 := ToJSTime(tm2)
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if js != js2 {
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t.Errorf("%v != %v", js, js2)
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}
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delta := tm.Sub(tm2)
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if delta < -time.Millisecond/2 || delta > time.Millisecond/2 {
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t.Errorf("Delta %v, %v, %v", delta, tm, tm2)
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}
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}
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func TestChatHistory(t *testing.T) {
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g := Group{
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description: &Description{},
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}
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for i := 0; i < 2*maxChatHistory; i++ {
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g.AddToChatHistory("id", "user", ToJSTime(time.Now()), "",
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g.AddToChatHistory("id", "user", time.Now(), "",
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fmt.Sprintf("%v", i),
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)
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}
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@ -112,6 +112,7 @@ type clientMessage struct {
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Type string `json:"type"`
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Version []string `json:"version"`
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Kind string `json:"kind,omitempty"`
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Error string `json:"error,omitempty"`
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Id string `json:"id,omitempty"`
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Replace string `json:"replace,omitempty"`
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Source string `json:"source,omitempty"`
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@ -126,7 +127,7 @@ type clientMessage struct {
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Group string `json:"group,omitempty"`
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Value interface{} `json:"value,omitempty"`
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NoEcho bool `json:"noecho,omitempty"`
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Time int64 `json:"time,omitempty"`
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Time string `json:"time,omitempty"`
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SDP string `json:"sdp,omitempty"`
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Candidate *webrtc.ICECandidateInit `json:"candidate,omitempty"`
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Label string `json:"label,omitempty"`
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@ -834,6 +835,8 @@ func readMessage(conn *websocket.Conn, m *clientMessage) error {
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return conn.ReadJSON(&m)
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}
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const protocolVersion = "2"
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func StartClient(conn *websocket.Conn) (err error) {
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var m clientMessage
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@ -858,7 +861,7 @@ func StartClient(conn *websocket.Conn) (err error) {
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versionError := true
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if m.Version != nil {
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for _, v := range m.Version {
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if v == "1" {
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if v == protocolVersion {
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versionError = false
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}
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}
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@ -973,7 +976,7 @@ func clientLoop(c *webClient, ws *websocket.Conn, versionError bool) error {
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err := c.write(clientMessage{
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Type: "handshake",
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Version: []string{"1"},
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Version: []string{protocolVersion},
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})
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if err != nil {
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return err
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@ -1203,7 +1206,7 @@ func handleAction(c *webClient, a interface{}) error {
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Type: "chathistory",
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Source: m.Id,
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Username: m.User,
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Time: m.Time,
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Time: m.Time.Format(time.RFC3339),
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Value: m.Value,
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Kind: m.Kind,
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})
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@ -1418,7 +1421,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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},
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)
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if err != nil {
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var s string
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var e, s string
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if os.IsNotExist(err) {
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s = "group does not exist"
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} else if err == group.ErrNotAuthorised {
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@ -1426,8 +1429,8 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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time.Sleep(200 * time.Millisecond)
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} else if err == group.ErrAnonymousNotAuthorised {
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s = "please choose a username"
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} else if e, ok := err.(group.UserError); ok {
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s = string(e)
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} else if err, ok := err.(group.UserError); ok {
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s = err.Error()
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} else {
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s = "internal server error"
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log.Printf("Join group: %v", err)
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@ -1435,6 +1438,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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return c.write(clientMessage{
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Type: "joined",
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Kind: "fail",
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Error: e,
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Group: m.Group,
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Username: c.username,
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Value: s,
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@ -1559,12 +1563,12 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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return c.error(group.UserError("join a group first"))
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}
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tm := group.ToJSTime(time.Now())
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now := time.Now()
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if m.Type == "chat" {
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if m.Dest == "" {
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g.AddToChatHistory(
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m.Source, m.Username, tm, m.Kind, m.Value,
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m.Source, m.Username, now, m.Kind, m.Value,
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)
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}
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}
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@ -1574,7 +1578,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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Dest: m.Dest,
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Username: m.Username,
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Privileged: member("op", c.permissions),
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Time: tm,
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Time: now.Format(time.RFC3339),
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Kind: m.Kind,
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NoEcho: m.NoEcho,
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Value: m.Value,
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@ -1677,7 +1681,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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Type: "chat",
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Dest: c.id,
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Username: "Server",
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Time: group.ToJSTime(time.Now()),
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Time: time.Now().Format(time.RFC3339),
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Value: s,
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})
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case "setdata":
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