From 5d0ab4531e87b8f8d4fcce1b3e61bba779c2a2ab Mon Sep 17 00:00:00 2001
From: Roger Johansson <roger@asynkron.se>
Date: Sun, 19 Nov 2023 20:41:31 +0100
Subject: [PATCH] Start using slog

---
 _examples/actor-helloworld/go.mod |  1 +
 _examples/actor-logging/go.mod    | 40 +++++++++++++++++++++++
 _examples/actor-logging/main.go   | 53 +++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+)
 create mode 100644 _examples/actor-logging/go.mod
 create mode 100644 _examples/actor-logging/main.go

diff --git a/_examples/actor-helloworld/go.mod b/_examples/actor-helloworld/go.mod
index e195722f..080e7e40 100644
--- a/_examples/actor-helloworld/go.mod
+++ b/_examples/actor-helloworld/go.mod
@@ -19,6 +19,7 @@ require (
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/lithammer/shortuuid/v4 v4.0.0 // indirect
+	github.com/lmittmann/tint v1.0.3 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/orcaman/concurrent-map v1.0.0 // indirect
 	github.com/prometheus/client_golang v1.16.0 // indirect
diff --git a/_examples/actor-logging/go.mod b/_examples/actor-logging/go.mod
new file mode 100644
index 00000000..f6bdb302
--- /dev/null
+++ b/_examples/actor-logging/go.mod
@@ -0,0 +1,40 @@
+module actorlogging
+
+go 1.21
+
+replace github.com/asynkron/protoactor-go => ../..
+
+require (
+	github.com/asynkron/goconsole v0.0.0-20160504192649-bfa12eebf716
+	github.com/asynkron/protoactor-go v0.0.0-00010101000000-000000000000
+)
+
+require (
+	github.com/Workiva/go-datastructures v1.1.1 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/go-logr/logr v1.2.4 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/lithammer/shortuuid/v4 v4.0.0 // indirect
+	github.com/lmittmann/tint v1.0.3 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/orcaman/concurrent-map v1.0.0 // indirect
+	github.com/prometheus/client_golang v1.16.0 // indirect
+	github.com/prometheus/client_model v0.4.0 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
+	github.com/prometheus/procfs v0.10.1 // indirect
+	github.com/twmb/murmur3 v1.1.6 // indirect
+	go.opentelemetry.io/otel v1.16.0 // indirect
+	go.opentelemetry.io/otel/exporters/prometheus v0.39.0 // indirect
+	go.opentelemetry.io/otel/metric v1.16.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.16.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v0.39.0 // indirect
+	go.opentelemetry.io/otel/trace v1.16.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.26.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+)
diff --git a/_examples/actor-logging/main.go b/_examples/actor-logging/main.go
new file mode 100644
index 00000000..d49742f8
--- /dev/null
+++ b/_examples/actor-logging/main.go
@@ -0,0 +1,53 @@
+package main
+
+import (
+	console "github.com/asynkron/goconsole"
+	"github.com/asynkron/protoactor-go/actor"
+	"github.com/lmittmann/tint"
+	"log/slog"
+	"os"
+	"time"
+)
+
+type (
+	hello      struct{ Who string }
+	helloActor struct{}
+)
+
+func (state *helloActor) Receive(context actor.Context) {
+	switch msg := context.Message().(type) {
+	case *hello:
+		context.Logger().Info("Hello ", slog.String("who", msg.Who))
+	}
+}
+
+func jsonLogging(system *actor.ActorSystem) *slog.Logger {
+	return slog.New(slog.NewJSONHandler(os.Stdout, nil)).
+		With("lib", "Proto.Actor").
+		With("system", system.ID)
+}
+
+func consoleLogging(system *actor.ActorSystem) *slog.Logger {
+	return slog.Default().
+		With("lib", "Proto.Actor").
+		With("system", system.ID)
+}
+
+func coloredConsoleLogging(system *actor.ActorSystem) *slog.Logger {
+	return slog.New(tint.NewHandler(os.Stdout, &tint.Options{
+		Level:      slog.LevelDebug,
+		TimeFormat: time.Kitchen,
+	})).With("lib", "Proto.Actor").
+		With("system", system.ID)
+}
+
+func main() {
+
+	system := actor.NewActorSystem(actor.WithLoggerFactory(jsonLogging))
+
+	props := actor.PropsFromProducer(func() actor.Actor { return &helloActor{} })
+
+	pid := system.Root.Spawn(props)
+	system.Root.Send(pid, &hello{Who: "Roger"})
+	_, _ = console.ReadLine()
+}