66 lines
1.0 KiB
Go
66 lines
1.0 KiB
Go
package handler
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import (
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"net/http"
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"time"
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"ckwk/pkg/log"
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"github.com/gin-gonic/gin"
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"github.com/gorilla/websocket"
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)
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var debugLogUpgrader = websocket.Upgrader{
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CheckOrigin: func(r *http.Request) bool {
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return true
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},
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}
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func DebugLogWS(ctx *gin.Context) {
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conn, err := debugLogUpgrader.Upgrade(ctx.Writer, ctx.Request, nil)
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if err != nil {
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return
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}
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defer conn.Close()
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subID, ch := log.Subscribe()
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defer log.Unsubscribe(subID)
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for _, entry := range log.Entries() {
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if err := conn.WriteJSON(entry); err != nil {
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return
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}
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}
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done := make(chan struct{})
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go func() {
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defer close(done)
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for {
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if _, _, err := conn.ReadMessage(); err != nil {
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return
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}
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}
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}()
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ticker := time.NewTicker(30 * time.Second)
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defer ticker.Stop()
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for {
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select {
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case <-done:
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return
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case entry, ok := <-ch:
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if !ok {
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return
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}
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if err := conn.WriteJSON(entry); err != nil {
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return
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}
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case <-ticker.C:
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if err := conn.WriteMessage(websocket.PingMessage, []byte("ping")); err != nil {
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return
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}
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}
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}
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}
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