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package debug
import (
"github.com/sirupsen/logrus"
"github.com/spiral/roadrunner/service"
"github.com/spiral/roadrunner/http"
"github.com/spiral/roadrunner/utils"
"github.com/spiral/roadrunner"
)
// Default service name.
const Name = "debug"
// Service provide debug callback for system events. With colors!
type Service struct {
// Logger used to flush all debug events.
Logger *logrus.Logger
cfg *Config
}
// Configure must return configure service and return true if service hasStatus enabled. Must return error in case of
// misconfiguration. Services must not be used without proper configuration pushed first.
func (s *Service) Configure(cfg service.Config, c service.Container) (enabled bool, err error) {
config := &Config{}
if err := cfg.Unmarshal(config); err != nil {
return false, err
}
if !config.Enable {
return false, nil
}
s.cfg = config
// registering as middleware
if h, ok := c.Get(http.Name); ok >= service.StatusConfigured {
if h, ok := h.(*http.Service); ok {
h.AddListener(s.listener)
}
} else {
s.Logger.Error("unable to find http server")
}
return true, nil
}
// listener listens to http events and generates nice looking output.
func (s *Service) listener(event int, ctx interface{}) {
// http events
switch event {
case http.EventResponse:
log := ctx.(*http.Log)
s.Logger.Info(utils.Sprintf("%s <white+hb>%s</reset> %s", statusColor(log.Status), log.Method, log.Uri))
case http.EventError:
log := ctx.(*http.Log)
if _, ok := log.Error.(roadrunner.JobError); ok {
s.Logger.Info(utils.Sprintf("%s <white+hb>%s</reset> %s", statusColor(log.Status), log.Method, log.Uri))
} else {
s.Logger.Info(utils.Sprintf(
"%s <white+hb>%s</reset> %s <red>%s</reset>",
statusColor(log.Status),
log.Method,
log.Uri,
log.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,
))
}
// 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))
}
}
// Serve serves.
func (s *Service) Serve() error { return nil }
// Stop stops the service.
func (s *Service) Stop() {}
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+hb>%v</reset>", status)
}
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