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Merge pull request #38 from KyberNetwork/TRD-251-tradelogs-allow-regi…
…ster-webhook-on-new-trade Trd 251 tradelogs allow register webhook on new trade
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ALTER TABLE tradelogs ADD maker_traits TEXT NOT NULL DEFAULT ''; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package server | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/KyberNetwork/tradelogs/pkg/storage" | ||
| "github.com/gorilla/websocket" | ||
| "github.com/rs/xid" | ||
| "go.uber.org/zap" | ||
| ) | ||
|
|
||
| type Con struct { | ||
| id string | ||
| ws *websocket.Conn | ||
| eventHash string | ||
| maker string | ||
| } | ||
|
|
||
| type Broadcaster struct { | ||
| mu sync.Mutex | ||
| l *zap.SugaredLogger | ||
| clients map[string]map[string]Con | ||
| tradeLogChan chan storage.TradeLog | ||
| } | ||
|
|
||
| func NewBroadcaster(tradeChan chan storage.TradeLog) *Broadcaster { | ||
| return &Broadcaster{ | ||
| l: zap.S(), | ||
| clients: make(map[string]map[string]Con), | ||
| tradeLogChan: tradeChan, | ||
| } | ||
| } | ||
|
|
||
| func (b *Broadcaster) BroadcastLog() { | ||
| for log := range b.tradeLogChan { | ||
| b.mu.Lock() | ||
| cons := b.clients[combine(log.EventHash, log.Maker)] | ||
| for _, c := range cons { | ||
| if err := c.ws.WriteJSON(log); err != nil { | ||
| b.l.Errorw("error when send msg", "err", err) | ||
| } | ||
| } | ||
| b.mu.Unlock() | ||
| } | ||
| } | ||
|
|
||
| func (b *Broadcaster) addConn(event, maker string, conn *websocket.Conn) { | ||
| id := xid.New().String() | ||
| b.l.Infow("connected socket", "id", id) | ||
| b.mu.Lock() | ||
| cons, ok := b.clients[combine(event, maker)] | ||
| if !ok { | ||
| cons = map[string]Con{} | ||
| } | ||
| cons[id] = Con{ | ||
| id: id, | ||
| ws: conn, | ||
| maker: maker, | ||
| eventHash: event, | ||
| } | ||
| b.clients[combine(event, maker)] = cons | ||
| b.mu.Unlock() | ||
| } | ||
|
|
||
| func combine(event, maker string) string { | ||
| return fmt.Sprintf("%s-%s", event, maker) | ||
| } | ||
|
|
||
| func (b *Broadcaster) CheckDisconnect() { | ||
| for { | ||
| b.mu.Lock() | ||
| for _, cons := range b.clients { | ||
| for id, c := range cons { | ||
| if _, _, err := c.ws.ReadMessage(); err != nil { | ||
| if websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway, websocket.CloseNoStatusReceived) { | ||
| b.l.Infow("socket is closed", "id", id) | ||
| delete(cons, id) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| b.mu.Unlock() | ||
| time.Sleep(time.Minute) | ||
| } | ||
| } |
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