1 files changed, 125 insertions, 0 deletions
diff --git a/debug/service.go b/debug/service.go
new file mode 100644
index 00000000..5838b75d
--- /dev/null
+++ b/debug/service.go
@@ -0,0 +1,125 @@
+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.Print(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.Print(utils.Sprintf("%s <white+hb>%s</reset> %s", statusColor(log.Status), log.Method, log.Uri))
+		} else {
+			s.Logger.Print(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.Print(utils.Sprintf(
+			"<white+hb>worker.%v</reset> <red>killed</red>",
+			*w.Pid,
+		))
+
+	case roadrunner.EventWorkerError:
+		err := ctx.(roadrunner.WorkerError)
+		s.Logger.Print(utils.Sprintf(
+			"<white+hb>worker.%v</reset> <red></reset>",
+			*err.Worker.Pid,
+			err.Caused,
+		))
+	}
+
+	// rr server events
+	switch event {
+	case roadrunner.EventServerFailure:
+		s.Logger.Print(utils.Sprintf("<red+hb>http.rr</reset>: <red>%s</reset>", ctx))
+	}
+
+	// pool events
+	switch event {
+	case roadrunner.EventPoolConstruct:
+		s.Logger.Print(utils.Sprintf("<white+hb>http.rr</reset>: <green>worker pool constructed</reset>"))
+	case roadrunner.EventPoolDestruct:
+		s.Logger.Print(utils.Sprintf("<white+hb>http.rr</reset>: <yellow>worker pool destructed</reset>"))
+	case roadrunner.EventPoolError:
+		s.Logger.Print(utils.Sprintf("<red+hb>http.rr</reset>: <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)
+}