traefik/pkg/server/keep_alive_middleware.go
2024-01-03 17:28:22 +01:00

30 lines
926 B
Go

package server
import (
"net/http"
"time"
"github.com/rs/zerolog/log"
ptypes "github.com/traefik/paerser/types"
)
func newKeepAliveMiddleware(next http.Handler, maxRequests int, maxTime ptypes.Duration) http.Handler {
return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
state, ok := req.Context().Value(connStateKey).(*connState)
if ok {
state.HTTPRequestCount++
if maxRequests > 0 && state.HTTPRequestCount >= maxRequests {
log.Debug().Msg("Close because of too many requests")
state.KeepAliveState = "Close because of too many requests"
rw.Header().Set("Connection", "close")
}
if maxTime > 0 && time.Now().After(state.Start.Add(time.Duration(maxTime))) {
log.Debug().Msg("Close because of too long connection")
state.KeepAliveState = "Close because of too long connection"
rw.Header().Set("Connection", "close")
}
}
next.ServeHTTP(rw, req)
})
}