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|
package debug
import (
"fmt"
"github.com/sirupsen/logrus"
"github.com/spiral/roadrunner"
"github.com/spiral/roadrunner/cmd/rr/utils"
rrhttp "github.com/spiral/roadrunner/service/http"
"net/http"
"strings"
)
// Listener creates new debug listener.
func Listener(logger *logrus.Logger) func(event int, ctx interface{}) {
return (&debugger{logger}).listener
}
// listener provide debug callback for system events. With colors!
type debugger struct{ logger *logrus.Logger }
// listener listens to http events and generates nice looking output.
func (s *debugger) listener(event int, ctx interface{}) {
// http events
switch event {
case rrhttp.EventResponse:
e := ctx.(*rrhttp.ResponseEvent)
s.logger.Info(utils.Sprintf(
"<cyan+h>%s</reset> %s <white+hb>%s</reset> %s",
e.Request.RemoteAddr,
statusColor(e.Response.Status),
e.Request.Method,
e.Request.URI,
))
case rrhttp.EventError:
e := ctx.(*rrhttp.ErrorEvent)
if _, ok := e.Error.(roadrunner.JobError); ok {
s.logger.Info(utils.Sprintf(
"%s <white+hb>%s</reset> %s",
statusColor(500),
e.Request.Method,
uri(e.Request),
))
} else {
s.logger.Info(utils.Sprintf(
"%s <white+hb>%s</reset> %s <red>%s</reset>",
statusColor(500),
e.Request.Method,
uri(e.Request),
e.Error,
))
}
}
switch event {
case roadrunner.EventWorkerKill:
w := ctx.(*roadrunner.Worker)
s.logger.Warning(utils.Sprintf(
"<white+hb>worker.%v</reset> <yellow>killed</red>",
*w.Pid,
))
case roadrunner.EventWorkerError:
err := ctx.(roadrunner.WorkerError)
s.logger.Error(utils.Sprintf(
"<white+hb>worker.%v</reset> <red>%s</reset>",
*err.Worker.Pid,
err.Caused,
))
}
// outputs
switch event {
case roadrunner.EventStderrOutput:
s.logger.Warning(utils.Sprintf("<yellow+h>%s</reset>", strings.Trim(string(ctx.([]byte)), "\r\n")))
}
// rr server events
switch event {
case roadrunner.EventServerFailure:
s.logger.Error(utils.Sprintf("<red>server is dead</reset>"))
}
// pool events
switch event {
case roadrunner.EventPoolConstruct:
s.logger.Debug(utils.Sprintf("<cyan>new worker pool</reset>"))
case roadrunner.EventPoolError:
s.logger.Error(utils.Sprintf("<red>%s</reset>", ctx))
}
//s.logger.Warning(event, ctx)
}
func statusColor(status int) string {
if status < 300 {
return utils.Sprintf("<green>%v</reset>", status)
}
if status < 400 {
return utils.Sprintf("<cyan>%v</reset>", status)
}
if status < 500 {
return utils.Sprintf("<yellow>%v</reset>", status)
}
return utils.Sprintf("<red>%v</reset>", status)
}
// uri fetches full uri from request in a form of string (including https scheme if TLS connection is enabled).
func uri(r *http.Request) string {
if r.TLS != nil {
return fmt.Sprintf("https://%s%s", r.Host, r.URL.String())
}
return fmt.Sprintf("http://%s%s", r.Host, r.URL.String())
}
|
