package marketwssclient import ( "encoding/json" "fmt" "wss-pool/logging/applogger" "wss-pool/pkg/client/hbwebsocketclientbase" "wss-pool/pkg/model/market" ) // Responsible to handle candlestick data from WebSocket type ContractBBOWebSocketClient struct { hbwebsocketclientbase.WebSocketClientBase } // Initializer func (p *ContractBBOWebSocketClient) Init(host string) *ContractBBOWebSocketClient { p.WebSocketClientBase.Init(host) return p } // Set callback handler func (p *ContractBBOWebSocketClient) SetHandler( connectedHandler hbwebsocketclientbase.ConnectedHandler, responseHandler hbwebsocketclientbase.ResponseHandler) { p.WebSocketClientBase.SetHandler(connectedHandler, p.handleMessage, responseHandler) } // Request the full candlestick data according to specified criteria func (p *ContractBBOWebSocketClient) Request(symbol string, from int64, to int64, clientId string) { topic := fmt.Sprintf("market.%s.bbo", symbol) req := fmt.Sprintf("{\"req\": \"%s\", \"from\":%d, \"to\":%d, \"id\": \"%s\" }", topic, from, to, clientId) p.Send(req) applogger.Info("WebSocket requested, topic=%s, clientId=%s", topic, clientId) } // Subscribe candlestick data func (p *ContractBBOWebSocketClient) Subscribe(symbol string, clientId string) { topic := fmt.Sprintf("market.%s.bbo", symbol) sub := fmt.Sprintf("{\"sub\": \"%s\", \"id\": \"%s\"}", topic, clientId) p.Send(sub) applogger.Info("WebSocket subscribed, topic=%s, clientId=%s", topic, clientId) } // Unsubscribe candlestick data func (p *ContractBBOWebSocketClient) UnSubscribe(symbol string, clientId string) { topic := fmt.Sprintf("market.%s.bbo", symbol) unsub := fmt.Sprintf("{\"unsub\": \"%s\", \"id\": \"%s\" }", topic, clientId) p.Send(unsub) applogger.Info("WebSocket unsubscribed, topic=%s, clientId=%s", topic, clientId) } func (p *ContractBBOWebSocketClient) handleMessage(msg string) (interface{}, error) { result := market.SubscribeCtBboResponse{} err := json.Unmarshal([]byte(msg), &result) return result, err }