/
ws_blockchain.go
58 lines (53 loc) · 1.51 KB
/
ws_blockchain.go
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// Copyright 2016 The go-daylight Authors
// This file is part of the go-daylight library.
//
// The go-daylight library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-daylight library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-daylight library. If not, see <http://www.gnu.org/licenses/>.
package controllers
import (
"fmt"
"net/http"
"strconv"
"github.com/gorilla/websocket"
)
var upgrader = websocket.Upgrader{
ReadBufferSize: 4096,
WriteBufferSize: 4096,
CheckOrigin: func(r *http.Request) bool {
return true
},
}
// WsBlockchain is a handle function for WebSocket
func WsBlockchain(w http.ResponseWriter, r *http.Request) {
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
fmt.Println(err)
return
}
for {
_, msg, err := conn.ReadMessage()
if err != nil {
// fmt.Println(err)
return
}
if latest, err := strconv.ParseInt(string(msg), 10, 64); err == nil && latest > 0 {
err = conn.WriteJSON(UpdateChain(latest))
if err != nil {
break
}
} else {
break
}
}
conn.Close()
}