12 files changed, 837 insertions, 0 deletions

diff --git a/tests/plugins/server/configs/.rr-no-app-section.yaml b/tests/plugins/server/configs/.rr-no-app-section.yaml
new file mode 100644
index 00000000..4888d249
--- /dev/null
+++ b/tests/plugins/server/configs/.rr-no-app-section.yaml
@@ -0,0 +1,12 @@
+server:
+  command: "php ../../client.php echo pipes"
+  user: ""
+  group: ""
+  env:
+    "RR_CONFIG": "/some/place/on/the/C134"
+    "RR_CONFIG2": "C138"
+  relay: "pipes"
+  relayTimeout: "20s"
+logs:
+  mode: development
+  level: error
\ No newline at end of file
diff --git a/tests/plugins/server/configs/.rr-sockets.yaml b/tests/plugins/server/configs/.rr-sockets.yaml
new file mode 100644
index 00000000..6b5b6bf5
--- /dev/null
+++ b/tests/plugins/server/configs/.rr-sockets.yaml
@@ -0,0 +1,12 @@
+server:
+  command: "php socket.php"
+  user: ""
+  group: ""
+  env:
+    "RR_CONFIG": "/some/place/on/the/C134"
+    "RR_CONFIG2": "C138"
+  relay: "unix://unix.sock"
+  relayTimeout: "20s"
+logs:
+  mode: development
+  level: error
\ No newline at end of file
diff --git a/tests/plugins/server/configs/.rr-tcp.yaml b/tests/plugins/server/configs/.rr-tcp.yaml
new file mode 100644
index 00000000..ee1d450a
--- /dev/null
+++ b/tests/plugins/server/configs/.rr-tcp.yaml
@@ -0,0 +1,12 @@
+server:
+  command: "php tcp.php"
+  user: ""
+  group: ""
+  env:
+    "RR_CONFIG": "/some/place/on/the/C134"
+    "RR_CONFIG2": "C138"
+  relay: "tcp://localhost:9999"
+  relayTimeout: "20s"
+logs:
+  mode: development
+  level: error
\ No newline at end of file
diff --git a/tests/plugins/server/configs/.rr-wrong-command.yaml b/tests/plugins/server/configs/.rr-wrong-command.yaml
new file mode 100644
index 00000000..e66349dd
--- /dev/null
+++ b/tests/plugins/server/configs/.rr-wrong-command.yaml
@@ -0,0 +1,12 @@
+server:
+  command: "php some_absent_file.php"
+  user: ""
+  group: ""
+  env:
+    "RR_CONFIG": "/some/place/on/the/C134"
+    "RR_CONFIG2": "C138"
+  relay: "pipes"
+  relayTimeout: "20s"
+logs:
+  mode: development
+  level: error
\ No newline at end of file
diff --git a/tests/plugins/server/configs/.rr-wrong-relay.yaml b/tests/plugins/server/configs/.rr-wrong-relay.yaml
new file mode 100644
index 00000000..6f532c3f
--- /dev/null
+++ b/tests/plugins/server/configs/.rr-wrong-relay.yaml
@@ -0,0 +1,12 @@
+server:
+  command: "php ../../client.php echo pipes"
+  user: ""
+  group: ""
+  env:
+    "RR_CONFIG": "/some/place/on/the/C134"
+    "RR_CONFIG2": "C138"
+  relay: "pupes"
+  relayTimeout: "20s"
+logs:
+  mode: development
+  level: error
\ No newline at end of file
diff --git a/tests/plugins/server/configs/.rr.yaml b/tests/plugins/server/configs/.rr.yaml
new file mode 100644
index 00000000..4888d249
--- /dev/null
+++ b/tests/plugins/server/configs/.rr.yaml
@@ -0,0 +1,12 @@
+server:
+  command: "php ../../client.php echo pipes"
+  user: ""
+  group: ""
+  env:
+    "RR_CONFIG": "/some/place/on/the/C134"
+    "RR_CONFIG2": "C138"
+  relay: "pipes"
+  relayTimeout: "20s"
+logs:
+  mode: development
+  level: error
\ No newline at end of file
diff --git a/tests/plugins/server/plugin_pipes.go b/tests/plugins/server/plugin_pipes.go
new file mode 100644
index 00000000..5eb2fed1
--- /dev/null
+++ b/tests/plugins/server/plugin_pipes.go
@@ -0,0 +1,133 @@
+package server
+
+import (
+	"context"
+	"time"
+
+	"github.com/spiral/errors"
+	"github.com/spiral/roadrunner/v2/interfaces/pool"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
+	poolImpl "github.com/spiral/roadrunner/v2/pkg/pool"
+	"github.com/spiral/roadrunner/v2/pkg/worker"
+	"github.com/spiral/roadrunner/v2/plugins/config"
+	"github.com/spiral/roadrunner/v2/plugins/server"
+)
+
+const ConfigSection = "server"
+const Response = "test"
+
+var testPoolConfig = poolImpl.Config{
+	NumWorkers:      10,
+	MaxJobs:         100,
+	AllocateTimeout: time.Second * 10,
+	DestroyTimeout:  time.Second * 10,
+	Supervisor: &poolImpl.SupervisorConfig{
+		WatchTick:       60,
+		TTL:             1000,
+		IdleTTL:         10,
+		ExecTTL:         10,
+		MaxWorkerMemory: 1000,
+	},
+}
+
+type Foo struct {
+	configProvider config.Configurer
+	wf             server.Server
+	pool           pool.Pool
+}
+
+func (f *Foo) Init(p config.Configurer, workerFactory server.Server) error {
+	f.configProvider = p
+	f.wf = workerFactory
+	return nil
+}
+
+func (f *Foo) Serve() chan error {
+	const op = errors.Op("serve")
+
+	// test payload for echo
+	r := payload.Payload{
+		Context: nil,
+		Body:    []byte(Response),
+	}
+
+	errCh := make(chan error, 1)
+
+	conf := &server.Config{}
+	var err error
+	err = f.configProvider.UnmarshalKey(ConfigSection, conf)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test CMDFactory
+	cmd, err := f.wf.CmdFactory(nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+	if cmd == nil {
+		errCh <- errors.E(op, "command is nil")
+		return errCh
+	}
+
+	// test worker creation
+	w, err := f.wf.NewWorker(context.Background(), nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test that our worker is functional
+	sw, err := worker.From(w)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	rsp, err := sw.Exec(r)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	if string(rsp.Body) != Response {
+		errCh <- errors.E("response from worker is wrong", errors.Errorf("response: %s", rsp.Body))
+		return errCh
+	}
+
+	// should not be errors
+	err = sw.Stop()
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test pool
+	f.pool, err = f.wf.NewWorkerPool(context.Background(), testPoolConfig, nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test pool execution
+	rsp, err = f.pool.Exec(r)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// echo of the "test" should be -> test
+	if string(rsp.Body) != Response {
+		errCh <- errors.E("response from worker is wrong", errors.Errorf("response: %s", rsp.Body))
+		return errCh
+	}
+
+	return errCh
+}
+
+func (f *Foo) Stop() error {
+	f.pool.Destroy(context.Background())
+	return nil
+}
diff --git a/tests/plugins/server/plugin_sockets.go b/tests/plugins/server/plugin_sockets.go
new file mode 100644
index 00000000..ede67ded
--- /dev/null
+++ b/tests/plugins/server/plugin_sockets.go
@@ -0,0 +1,113 @@
+package server
+
+import (
+	"context"
+
+	"github.com/spiral/errors"
+	"github.com/spiral/roadrunner/v2/interfaces/pool"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
+	"github.com/spiral/roadrunner/v2/pkg/worker"
+	"github.com/spiral/roadrunner/v2/plugins/config"
+	"github.com/spiral/roadrunner/v2/plugins/server"
+)
+
+type Foo2 struct {
+	configProvider config.Configurer
+	wf             server.Server
+	pool           pool.Pool
+}
+
+func (f *Foo2) Init(p config.Configurer, workerFactory server.Server) error {
+	f.configProvider = p
+	f.wf = workerFactory
+	return nil
+}
+
+func (f *Foo2) Serve() chan error {
+	const op = errors.Op("serve")
+	var err error
+	errCh := make(chan error, 1)
+	conf := &server.Config{}
+
+	// test payload for echo
+	r := payload.Payload{
+		Context: nil,
+		Body:    []byte(Response),
+	}
+
+	err = f.configProvider.UnmarshalKey(ConfigSection, conf)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test CMDFactory
+	cmd, err := f.wf.CmdFactory(nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+	if cmd == nil {
+		errCh <- errors.E(op, "command is nil")
+		return errCh
+	}
+
+	// test worker creation
+	w, err := f.wf.NewWorker(context.Background(), nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test that our worker is functional
+	sw, err := worker.From(w)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	rsp, err := sw.Exec(r)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	if string(rsp.Body) != Response {
+		errCh <- errors.E("response from worker is wrong", errors.Errorf("response: %s", rsp.Body))
+		return errCh
+	}
+
+	// should not be errors
+	err = sw.Stop()
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test pool
+	f.pool, err = f.wf.NewWorkerPool(context.Background(), testPoolConfig, nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test pool execution
+	rsp, err = f.pool.Exec(r)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// echo of the "test" should be -> test
+	if string(rsp.Body) != Response {
+		errCh <- errors.E("response from worker is wrong", errors.Errorf("response: %s", rsp.Body))
+		return errCh
+	}
+
+	return errCh
+}
+
+func (f *Foo2) Stop() error {
+	f.pool.Destroy(context.Background())
+	return nil
+}
diff --git a/tests/plugins/server/plugin_tcp.go b/tests/plugins/server/plugin_tcp.go
new file mode 100644
index 00000000..98c13b2b
--- /dev/null
+++ b/tests/plugins/server/plugin_tcp.go
@@ -0,0 +1,113 @@
+package server
+
+import (
+	"context"
+
+	"github.com/spiral/errors"
+	"github.com/spiral/roadrunner/v2/interfaces/pool"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
+	"github.com/spiral/roadrunner/v2/pkg/worker"
+	"github.com/spiral/roadrunner/v2/plugins/config"
+	"github.com/spiral/roadrunner/v2/plugins/server"
+)
+
+type Foo3 struct {
+	configProvider config.Configurer
+	wf             server.Server
+	pool           pool.Pool
+}
+
+func (f *Foo3) Init(p config.Configurer, workerFactory server.Server) error {
+	f.configProvider = p
+	f.wf = workerFactory
+	return nil
+}
+
+func (f *Foo3) Serve() chan error {
+	const op = errors.Op("serve")
+	var err error
+	errCh := make(chan error, 1)
+	conf := &server.Config{}
+
+	// test payload for echo
+	r := payload.Payload{
+		Context: nil,
+		Body:    []byte(Response),
+	}
+
+	err = f.configProvider.UnmarshalKey(ConfigSection, conf)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test CMDFactory
+	cmd, err := f.wf.CmdFactory(nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+	if cmd == nil {
+		errCh <- errors.E(op, "command is nil")
+		return errCh
+	}
+
+	// test worker creation
+	w, err := f.wf.NewWorker(context.Background(), nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test that our worker is functional
+	sw, err := worker.From(w)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	rsp, err := sw.Exec(r)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	if string(rsp.Body) != Response {
+		errCh <- errors.E("response from worker is wrong", errors.Errorf("response: %s", rsp.Body))
+		return errCh
+	}
+
+	// should not be errors
+	err = sw.Stop()
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test pool
+	f.pool, err = f.wf.NewWorkerPool(context.Background(), testPoolConfig, nil)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// test pool execution
+	rsp, err = f.pool.Exec(r)
+	if err != nil {
+		errCh <- err
+		return errCh
+	}
+
+	// echo of the "test" should be -> test
+	if string(rsp.Body) != Response {
+		errCh <- errors.E("response from worker is wrong", errors.Errorf("response: %s", rsp.Body))
+		return errCh
+	}
+
+	return errCh
+}
+
+func (f *Foo3) Stop() error {
+	f.pool.Destroy(context.Background())
+	return nil
+}
diff --git a/tests/plugins/server/server_plugin_test.go b/tests/plugins/server/server_plugin_test.go
new file mode 100644
index 00000000..d63b0ccd
--- /dev/null
+++ b/tests/plugins/server/server_plugin_test.go
@@ -0,0 +1,361 @@
+package server
+
+import (
+	"os"
+	"os/signal"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/spiral/endure"
+	"github.com/spiral/roadrunner/v2/plugins/config"
+	"github.com/spiral/roadrunner/v2/plugins/logger"
+	"github.com/spiral/roadrunner/v2/plugins/server"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAppPipes(t *testing.T) {
+	container, err := endure.NewContainer(nil, endure.RetryOnFail(true), endure.SetLogLevel(endure.ErrorLevel))
+	if err != nil {
+		t.Fatal(err)
+	}
+	// config plugin
+	vp := &config.Viper{}
+	vp.Path = "configs/.rr.yaml"
+	vp.Prefix = "rr"
+	err = container.Register(vp)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&server.Plugin{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&Foo{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&logger.ZapLogger{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	errCh, err := container.Serve()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// stop by CTRL+C
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+
+	tt := time.NewTimer(time.Second * 10)
+	wg := &sync.WaitGroup{}
+	wg.Add(1)
+
+	go func() {
+		defer wg.Done()
+		defer tt.Stop()
+		for {
+			select {
+			case e := <-errCh:
+				assert.NoError(t, e.Error)
+				assert.NoError(t, container.Stop())
+				return
+			case <-c:
+				er := container.Stop()
+				assert.NoError(t, er)
+				return
+			case <-tt.C:
+				assert.NoError(t, container.Stop())
+				return
+			}
+		}
+	}()
+
+	wg.Wait()
+}
+
+func TestAppSockets(t *testing.T) {
+	container, err := endure.NewContainer(nil, endure.RetryOnFail(true), endure.SetLogLevel(endure.ErrorLevel))
+	if err != nil {
+		t.Fatal(err)
+	}
+	// config plugin
+	vp := &config.Viper{}
+	vp.Path = "configs/.rr-sockets.yaml"
+	vp.Prefix = "rr"
+	err = container.Register(vp)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&server.Plugin{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&Foo2{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&logger.ZapLogger{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	errCh, err := container.Serve()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// stop by CTRL+C
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+
+	// stop after 10 seconds
+	tt := time.NewTicker(time.Second * 10)
+
+	for {
+		select {
+		case e := <-errCh:
+			assert.NoError(t, e.Error)
+			assert.NoError(t, container.Stop())
+			return
+		case <-c:
+			er := container.Stop()
+			if er != nil {
+				panic(er)
+			}
+			return
+		case <-tt.C:
+			tt.Stop()
+			assert.NoError(t, container.Stop())
+			return
+		}
+	}
+}
+
+func TestAppTCP(t *testing.T) {
+	container, err := endure.NewContainer(nil, endure.RetryOnFail(true), endure.SetLogLevel(endure.ErrorLevel))
+	if err != nil {
+		t.Fatal(err)
+	}
+	// config plugin
+	vp := &config.Viper{}
+	vp.Path = "configs/.rr-tcp.yaml"
+	vp.Prefix = "rr"
+	err = container.Register(vp)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&server.Plugin{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&Foo3{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&logger.ZapLogger{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	errCh, err := container.Serve()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// stop by CTRL+C
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+
+	// stop after 10 seconds
+	tt := time.NewTicker(time.Second * 10)
+
+	for {
+		select {
+		case e := <-errCh:
+			assert.NoError(t, e.Error)
+			assert.NoError(t, container.Stop())
+			return
+		case <-c:
+			er := container.Stop()
+			if er != nil {
+				panic(er)
+			}
+			return
+		case <-tt.C:
+			tt.Stop()
+			assert.NoError(t, container.Stop())
+			return
+		}
+	}
+}
+
+func TestAppWrongConfig(t *testing.T) {
+	container, err := endure.NewContainer(nil, endure.RetryOnFail(true), endure.SetLogLevel(endure.ErrorLevel))
+	if err != nil {
+		t.Fatal(err)
+	}
+	// config plugin
+	vp := &config.Viper{}
+	vp.Path = "configs/.rrrrrrrrrr.yaml"
+	vp.Prefix = "rr"
+	err = container.Register(vp)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&server.Plugin{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&Foo3{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&logger.ZapLogger{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	assert.Error(t, container.Init())
+}
+
+func TestAppWrongRelay(t *testing.T) {
+	container, err := endure.NewContainer(nil, endure.RetryOnFail(true), endure.SetLogLevel(endure.ErrorLevel))
+	if err != nil {
+		t.Fatal(err)
+	}
+	// config plugin
+	vp := &config.Viper{}
+	vp.Path = "configs/.rr-wrong-relay.yaml"
+	vp.Prefix = "rr"
+	err = container.Register(vp)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&server.Plugin{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&Foo3{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&logger.ZapLogger{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Init()
+	assert.Error(t, err)
+
+	_, err = container.Serve()
+	assert.Error(t, err)
+}
+
+func TestAppWrongCommand(t *testing.T) {
+	container, err := endure.NewContainer(nil, endure.RetryOnFail(true), endure.SetLogLevel(endure.ErrorLevel))
+	if err != nil {
+		t.Fatal(err)
+	}
+	// config plugin
+	vp := &config.Viper{}
+	vp.Path = "configs/.rr-wrong-command.yaml"
+	vp.Prefix = "rr"
+	err = container.Register(vp)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&server.Plugin{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&Foo3{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&logger.ZapLogger{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = container.Serve()
+	assert.Error(t, err)
+}
+
+func TestAppNoAppSectionInConfig(t *testing.T) {
+	container, err := endure.NewContainer(nil, endure.RetryOnFail(true), endure.SetLogLevel(endure.ErrorLevel))
+	if err != nil {
+		t.Fatal(err)
+	}
+	// config plugin
+	vp := &config.Viper{}
+	vp.Path = "configs/.rr-wrong-command.yaml"
+	vp.Prefix = "rr"
+	err = container.Register(vp)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&server.Plugin{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&Foo3{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Register(&logger.ZapLogger{})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = container.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = container.Serve()
+	assert.Error(t, err)
+}
diff --git a/tests/plugins/server/socket.php b/tests/plugins/server/socket.php
new file mode 100644
index 00000000..3159c445
--- /dev/null
+++ b/tests/plugins/server/socket.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * @var Goridge\RelayInterface $relay
+ */
+
+use Spiral\Goridge;
+use Spiral\RoadRunner;
+
+require dirname(__DIR__) . "/../vendor/autoload.php";
+
+$relay = new Goridge\SocketRelay(
+            "unix.sock",
+            null,
+            Goridge\SocketRelay::SOCK_UNIX
+        );
+
+$rr = new RoadRunner\Worker($relay);
+
+while ($in = $rr->waitPayload()) {
+    try {
+        $rr->send((string)$in->body);
+    } catch (\Throwable $e) {
+        $rr->error((string)$e);
+    }
+}
diff --git a/tests/plugins/server/tcp.php b/tests/plugins/server/tcp.php
new file mode 100644
index 00000000..88c49848
--- /dev/null
+++ b/tests/plugins/server/tcp.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * @var Goridge\RelayInterface $relay
+ */
+
+use Spiral\Goridge;
+use Spiral\RoadRunner;
+
+require dirname(__DIR__) . "/../vendor/autoload.php";
+
+$relay = new Goridge\SocketRelay("localhost", 9999);
+$rr = new RoadRunner\Worker($relay);
+
+while ($in = $rr->waitPayload()) {
+    try {
+        $rr->send((string)$in->body);
+    } catch (\Throwable $e) {
+        $rr->error((string)$e);
+    }
+}