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Discard old history entries.
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parent
865848c7bc
commit
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4 changed files with 47 additions and 22 deletions
2
README
2
README
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@ -103,6 +103,8 @@ fields, all of which are optional.
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displayed on the landing page for public groups;
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- `max-clients`: the maximum number of clients that may join the group at
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a time;
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- `max-history-age`: the time, in seconds, during which chat history is
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kept (default 14400, i.e. 4 hours);
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- `allow-recording`: if true, then recording is allowed in this group;
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- `allow-anonymous`: if true, then users may connect with an empty
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username; this is not recommended, since anonymous users are not
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@ -65,7 +65,7 @@ func IceConfiguration() webrtc.Configuration {
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type ChatHistoryEntry struct {
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Id string
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User string
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Time uint64
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Time int64
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Kind string
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Value string
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}
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@ -396,6 +396,18 @@ func (g *Group) Shutdown(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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@ -404,7 +416,7 @@ 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 uint64, kind, value string) {
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func (g *Group) AddToChatHistory(id, user string, time int64, kind, value string) {
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g.mu.Lock()
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defer g.mu.Unlock()
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@ -417,10 +429,34 @@ func (g *Group) AddToChatHistory(id, user string, time uint64, kind, value strin
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)
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}
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func discardObsoleteHistory(h []ChatHistoryEntry, seconds int) []ChatHistoryEntry {
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now := time.Now()
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d := 4 * time.Hour
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if seconds > 0 {
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d = time.Duration(seconds) * time.Second
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}
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i := 0
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for i < len(h) {
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log.Println(h[i].Time, FromJSTime(h[i].Time), now.Sub(FromJSTime(h[i].Time)))
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if now.Sub(FromJSTime(h[i].Time)) <= d {
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break
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}
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i++
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}
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if i > 0 {
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copy(h, h[i:])
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h = h[:len(h)-i]
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}
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return h
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}
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func (g *Group) GetChatHistory() []ChatHistoryEntry {
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g.mu.Lock()
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defer g.mu.Unlock()
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g.history = discardObsoleteHistory(g.history, g.description.MaxHistoryAge)
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h := make([]ChatHistoryEntry, len(g.history))
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copy(h, g.history)
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return h
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@ -448,6 +484,7 @@ type description struct {
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Redirect string `json:"redirect,omitempty"`
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Public bool `json:"public,omitempty"`
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MaxClients int `json:"max-clients,omitempty"`
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MaxHistoryAge int `json:"max-history-age",omitempty`
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AllowAnonymous bool `json:"allow-anonymous,omitempty"`
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AllowRecording bool `json:"allow-recording,omitempty"`
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Op []ClientCredentials `json:"op,omitempty"`
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@ -1,4 +1,4 @@
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package rtpconn
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package group
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import (
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"testing"
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@ -7,9 +7,9 @@ import (
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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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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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@ -147,7 +147,7 @@ type clientMessage struct {
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Permissions group.ClientPermissions `json:"permissions,omitempty"`
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Group string `json:"group,omitempty"`
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Value string `json:"value,omitempty"`
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Time uint64 `json:"time,omitempty"`
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Time int64 `json:"time,omitempty"`
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Offer *webrtc.SessionDescription `json:"offer,omitempty"`
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Answer *webrtc.SessionDescription `json:"answer,omitempty"`
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Candidate *webrtc.ICECandidateInit `json:"candidate,omitempty"`
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@ -155,20 +155,6 @@ type clientMessage struct {
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Request rateMap `json:"request,omitempty"`
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}
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func fromJSTime(tm uint64) 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) uint64 {
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if tm.Before(time.Unix(0, 0)) {
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return 0
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}
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return uint64((tm.Sub(time.Unix(0, 0)) + time.Millisecond/2) / time.Millisecond)
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}
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type closeMessage struct {
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data []byte
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}
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@ -1060,7 +1046,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
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log.Printf("ICE: %v", err)
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}
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case "chat":
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tm := toJSTime(time.Now())
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tm := group.ToJSTime(time.Now())
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if m.Dest == "" {
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c.group.AddToChatHistory(
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m.Id, m.Username, tm, m.Kind, m.Value,
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