86 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package server
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| 
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| import (
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| 	"crypto/tls"
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| 	"fmt"
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| 	"net/http"
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| 	"net/url"
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| 	"os"
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| 	"strings"
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| 	"time"
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| 
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| 	"github.com/go-openapi/strfmt"
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| 	"github.com/gorilla/websocket"
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| 	"github.com/recws-org/recws"
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| )
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| 
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| func (ac *APIController) initWS(pbURL url.URL, outpostUUID strfmt.UUID) {
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| 	pathTemplate := "%s://%s/ws/outpost/%s/"
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| 	scheme := strings.ReplaceAll(pbURL.Scheme, "http", "ws")
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| 
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| 	header := http.Header{
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| 		"Authorization": []string{ac.token},
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| 	}
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| 
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| 	_, set := os.LookupEnv("PASSBOOK_INSECURE")
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| 
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| 	ws := recws.RecConn{
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| 		// KeepAliveTimeout: 10 * time.Second,
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| 		NonVerbose: true,
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| 		TLSClientConfig: &tls.Config{
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| 			InsecureSkipVerify: set,
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| 		},
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| 	}
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| 	ws.Dial(fmt.Sprintf(pathTemplate, scheme, pbURL.Host, outpostUUID.String()), header)
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| 
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| 	ac.logger.WithField("outpost", outpostUUID.String()).Debug("connecting to passbook")
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| 
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| 	ac.wsConn = ws
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| }
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| 
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| // Shutdown Gracefully stops all workers, disconnects from websocket
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| func (ac *APIController) Shutdown() {
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| 	// Cleanly close the connection by sending a close message and then
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| 	// waiting (with timeout) for the server to close the connection.
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| 	err := ac.wsConn.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
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| 	if err != nil {
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| 		ac.logger.Println("write close:", err)
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| 		return
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| 	}
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| 	return
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| }
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| 
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| func (ac *APIController) startWSHandler() {
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| 	for {
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| 		var wsMsg websocketMessage
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| 		err := ac.wsConn.ReadJSON(&wsMsg)
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| 		if err != nil {
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| 			ac.logger.Println("read:", err)
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| 			return
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| 		}
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| 		if wsMsg.Instruction != WebsocketInstructionAck {
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| 			ac.logger.Debugf("%+v\n", wsMsg)
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| 		}
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| 		if wsMsg.Instruction == WebsocketInstructionTriggerUpdate {
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| 			err := ac.UpdateIfRequired()
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| 			if err != nil {
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| 				ac.logger.WithError(err).Debug("Failed to update")
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| 			}
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| 		}
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| 	}
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| }
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| 
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| func (ac *APIController) startWSHealth() {
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| 	for ; true; <-time.Tick(time.Second * 10) {
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| 		aliveMsg := websocketMessage{
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| 			Instruction: WebsocketInstructionHello,
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| 			Args:        make(map[string]interface{}),
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| 		}
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| 		err := ac.wsConn.WriteJSON(aliveMsg)
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| 		if err != nil {
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| 			ac.logger.Println("write:", err)
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| 			return
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| 		}
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| 	}
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| }
 | 
