Move roadrunner payload out of internal to pkgv2.0.0-alpha25

10 files changed, 112 insertions, 91 deletions

diff --git a/pkg/payload/payload.go b/pkg/payload/payload.go
new file mode 100755
index 00000000..fac36852
--- /dev/null
+++ b/pkg/payload/payload.go
@@ -0,0 +1,16 @@
+package payload
+
+// Payload carries binary header and body to stack and
+// back to the server.
+type Payload struct {
+	// Context represent payload context, might be omitted.
+	Context []byte
+
+	// body contains binary payload to be processed by WorkerProcess.
+	Body []byte
+}
+
+// String returns payload body as string
+func (p *Payload) String() string {
+	return string(p.Body)
+}
diff --git a/pkg/pipe/pipe_factory_test.go b/pkg/pipe/pipe_factory_test.go
index 99212ff8..9453de1d 100755
--- a/pkg/pipe/pipe_factory_test.go
+++ b/pkg/pipe/pipe_factory_test.go
@@ -11,6 +11,7 @@ import (
 	"github.com/spiral/errors"
 	"github.com/spiral/roadrunner/v2/interfaces/events"
 	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 	workerImpl "github.com/spiral/roadrunner/v2/pkg/worker"
 	"github.com/stretchr/testify/assert"
 )
@@ -151,7 +152,7 @@ func Test_Pipe_Echo(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := sw.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.NoError(t, err)
 	assert.NotNil(t, res)
@@ -179,7 +180,7 @@ func Test_Pipe_Broken(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := sw.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.Error(t, err)
 	assert.Nil(t, res.Body)
@@ -228,7 +229,7 @@ func Benchmark_Pipe_Worker_ExecEcho(b *testing.B) {
 	}()
 
 	for n := 0; n < b.N; n++ {
-		if _, err := sw.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 			b.Fail()
 		}
 	}
@@ -255,7 +256,7 @@ func Benchmark_Pipe_Worker_ExecEcho3(b *testing.B) {
 	}
 
 	for n := 0; n < b.N; n++ {
-		if _, err := sw.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 			b.Fail()
 		}
 	}
@@ -282,7 +283,7 @@ func Benchmark_Pipe_Worker_ExecEchoWithoutContext(b *testing.B) {
 	}
 
 	for n := 0; n < b.N; n++ {
-		if _, err := sw.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 			b.Fail()
 		}
 	}
@@ -311,7 +312,7 @@ func Test_Echo(t *testing.T) {
 		}
 	}()
 
-	res, err := syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.Nil(t, err)
 	assert.NotNil(t, res)
@@ -342,7 +343,7 @@ func Test_BadPayload(t *testing.T) {
 		}
 	}()
 
-	res, err := syncWorker.Exec(internal.Payload{})
+	res, err := syncWorker.Exec(payload.Payload{})
 
 	assert.Error(t, err)
 	assert.Nil(t, res.Body)
@@ -391,7 +392,7 @@ func Test_Echo_Slow(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.Nil(t, err)
 	assert.NotNil(t, res)
@@ -425,7 +426,7 @@ func Test_Broken(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 	assert.NotNil(t, err)
 	assert.Nil(t, res.Body)
 	assert.Nil(t, res.Context)
@@ -460,7 +461,7 @@ func Test_Error(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 	assert.NotNil(t, err)
 	assert.Nil(t, res.Body)
 	assert.Nil(t, res.Context)
@@ -491,19 +492,19 @@ func Test_NumExecs(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	_, err = syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	_, err = syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 	if err != nil {
 		t.Errorf("fail to execute payload: error %v", err)
 	}
 	assert.Equal(t, int64(1), w.State().NumExecs())
 
-	_, err = syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	_, err = syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 	if err != nil {
 		t.Errorf("fail to execute payload: error %v", err)
 	}
 	assert.Equal(t, int64(2), w.State().NumExecs())
 
-	_, err = syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	_, err = syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 	if err != nil {
 		t.Errorf("fail to execute payload: error %v", err)
 	}
diff --git a/pkg/pool/static_pool.go b/pkg/pool/static_pool.go
index 6cc42143..9cf79fd4 100755
--- a/pkg/pool/static_pool.go
+++ b/pkg/pool/static_pool.go
@@ -9,7 +9,8 @@ import (
 	"github.com/spiral/roadrunner/v2/interfaces/pool"
 	"github.com/spiral/roadrunner/v2/interfaces/worker"
 	"github.com/spiral/roadrunner/v2/internal"
-	events2 "github.com/spiral/roadrunner/v2/pkg/events"
+	eventsPkg "github.com/spiral/roadrunner/v2/pkg/events"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 	syncWorker "github.com/spiral/roadrunner/v2/pkg/worker"
 	workerWatcher "github.com/spiral/roadrunner/v2/pkg/worker_watcher"
 )
@@ -20,13 +21,13 @@ const StopRequest = "{\"stop\":true}"
 var bCtx = context.Background()
 
 // ErrorEncoder encode error or make a decision based on the error type
-type ErrorEncoder func(err error, w worker.BaseProcess) (internal.Payload, error)
+type ErrorEncoder func(err error, w worker.BaseProcess) (payload.Payload, error)
 
 // Before is set of functions that executes BEFORE Exec
-type Before func(req internal.Payload) internal.Payload
+type Before func(req payload.Payload) payload.Payload
 
 // After is set of functions that executes AFTER Exec
-type After func(req internal.Payload, resp internal.Payload) internal.Payload
+type After func(req payload.Payload, resp payload.Payload) payload.Payload
 
 type Options func(p *StaticPool)
 
@@ -71,7 +72,7 @@ func NewPool(ctx context.Context, cmd func() *exec.Cmd, factory worker.Factory,
 		cfg:     cfg,
 		cmd:     cmd,
 		factory: factory,
-		events:  events2.NewEventsHandler(),
+		events:  eventsPkg.NewEventsHandler(),
 		after:   make([]After, 0, 0),
 		before:  make([]Before, 0, 0),
 	}
@@ -139,7 +140,7 @@ func (sp *StaticPool) RemoveWorker(wb worker.BaseProcess) error {
 	return sp.ww.RemoveWorker(wb)
 }
 
-func (sp *StaticPool) Exec(p internal.Payload) (internal.Payload, error) {
+func (sp *StaticPool) Exec(p payload.Payload) (payload.Payload, error) {
 	const op = errors.Op("exec")
 	if sp.cfg.Debug {
 		return sp.execDebug(p)
@@ -148,7 +149,7 @@ func (sp *StaticPool) Exec(p internal.Payload) (internal.Payload, error) {
 	defer cancel()
 	w, err := sp.getWorker(ctxGetFree, op)
 	if err != nil {
-		return internal.Payload{}, errors.E(op, err)
+		return payload.Payload{}, errors.E(op, err)
 	}
 
 	sw := w.(worker.SyncWorker)
@@ -179,7 +180,7 @@ func (sp *StaticPool) Exec(p internal.Payload) (internal.Payload, error) {
 	if sp.cfg.MaxJobs != 0 && sw.State().NumExecs() >= sp.cfg.MaxJobs {
 		err = sp.ww.AllocateNew()
 		if err != nil {
-			return internal.Payload{}, errors.E(op, err)
+			return payload.Payload{}, errors.E(op, err)
 		}
 	} else {
 		sp.ww.PushWorker(sw)
@@ -194,13 +195,13 @@ func (sp *StaticPool) Exec(p internal.Payload) (internal.Payload, error) {
 	return rsp, nil
 }
 
-func (sp *StaticPool) ExecWithContext(ctx context.Context, rqs internal.Payload) (internal.Payload, error) {
+func (sp *StaticPool) ExecWithContext(ctx context.Context, rqs payload.Payload) (payload.Payload, error) {
 	const op = errors.Op("exec with context")
 	ctxGetFree, cancel := context.WithTimeout(context.Background(), sp.cfg.AllocateTimeout)
 	defer cancel()
 	w, err := sp.getWorker(ctxGetFree, op)
 	if err != nil {
-		return internal.Payload{}, errors.E(op, err)
+		return payload.Payload{}, errors.E(op, err)
 	}
 
 	sw := w.(worker.SyncWorker)
@@ -231,7 +232,7 @@ func (sp *StaticPool) ExecWithContext(ctx context.Context, rqs internal.Payload)
 	if sp.cfg.MaxJobs != 0 && sw.State().NumExecs() >= sp.cfg.MaxJobs {
 		err = sp.ww.AllocateNew()
 		if err != nil {
-			return internal.Payload{}, errors.E(op, err)
+			return payload.Payload{}, errors.E(op, err)
 		}
 	} else {
 		sp.ww.PushWorker(sw)
@@ -268,7 +269,7 @@ func (sp *StaticPool) Destroy(ctx context.Context) {
 }
 
 func defaultErrEncoder(sp *StaticPool) ErrorEncoder {
-	return func(err error, w worker.BaseProcess) (internal.Payload, error) {
+	return func(err error, w worker.BaseProcess) (payload.Payload, error) {
 		const op = errors.Op("error encoder")
 		// soft job errors are allowed
 		if errors.Is(errors.ErrSoftJob, err) {
@@ -287,7 +288,7 @@ func defaultErrEncoder(sp *StaticPool) ErrorEncoder {
 				sp.ww.PushWorker(w)
 			}
 
-			return internal.Payload{}, errors.E(op, err)
+			return payload.Payload{}, errors.E(op, err)
 		}
 
 		w.State().Set(internal.StateInvalid)
@@ -295,10 +296,10 @@ func defaultErrEncoder(sp *StaticPool) ErrorEncoder {
 		errS := w.Stop(bCtx)
 
 		if errS != nil {
-			return internal.Payload{}, errors.E(op, errors.Errorf("%v, %v", err, errS))
+			return payload.Payload{}, errors.E(op, errors.Errorf("%v, %v", err, errS))
 		}
 
-		return internal.Payload{}, errors.E(op, err)
+		return payload.Payload{}, errors.E(op, err)
 	}
 }
 
@@ -317,10 +318,10 @@ func newPoolAllocator(factory worker.Factory, cmd func() *exec.Cmd) worker.Alloc
 	}
 }
 
-func (sp *StaticPool) execDebug(p internal.Payload) (internal.Payload, error) {
+func (sp *StaticPool) execDebug(p payload.Payload) (payload.Payload, error) {
 	sw, err := sp.allocator()
 	if err != nil {
-		return internal.Payload{}, err
+		return payload.Payload{}, err
 	}
 
 	r, err := sw.(worker.SyncWorker).Exec(p)
diff --git a/pkg/pool/static_pool_test.go b/pkg/pool/static_pool_test.go
index dd33a1a6..b96e9214 100755
--- a/pkg/pool/static_pool_test.go
+++ b/pkg/pool/static_pool_test.go
@@ -14,6 +14,7 @@ import (
 	"github.com/spiral/errors"
 	"github.com/spiral/roadrunner/v2/interfaces/events"
 	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 	"github.com/spiral/roadrunner/v2/pkg/pipe"
 	"github.com/stretchr/testify/assert"
 )
@@ -80,7 +81,7 @@ func Test_StaticPool_Echo(t *testing.T) {
 
 	assert.NotNil(t, p)
 
-	res, err := p.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := p.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.NoError(t, err)
 	assert.NotNil(t, res)
@@ -104,7 +105,7 @@ func Test_StaticPool_Echo_NilContext(t *testing.T) {
 
 	assert.NotNil(t, p)
 
-	res, err := p.Exec(internal.Payload{Body: []byte("hello"), Context: nil})
+	res, err := p.Exec(payload.Payload{Body: []byte("hello"), Context: nil})
 
 	assert.NoError(t, err)
 	assert.NotNil(t, res)
@@ -128,7 +129,7 @@ func Test_StaticPool_Echo_Context(t *testing.T) {
 
 	assert.NotNil(t, p)
 
-	res, err := p.Exec(internal.Payload{Body: []byte("hello"), Context: []byte("world")})
+	res, err := p.Exec(payload.Payload{Body: []byte("hello"), Context: []byte("world")})
 
 	assert.NoError(t, err)
 	assert.NotNil(t, res)
@@ -151,7 +152,7 @@ func Test_StaticPool_JobError(t *testing.T) {
 
 	assert.NotNil(t, p)
 
-	res, err := p.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := p.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.Error(t, err)
 	assert.Nil(t, res.Body)
@@ -189,7 +190,7 @@ func Test_StaticPool_Broken_Replace(t *testing.T) {
 		}
 	})
 
-	res, err := p.ExecWithContext(ctx, internal.Payload{Body: []byte("hello")})
+	res, err := p.ExecWithContext(ctx, payload.Payload{Body: []byte("hello")})
 	assert.Error(t, err)
 	assert.Nil(t, res.Context)
 	assert.Nil(t, res.Body)
@@ -212,7 +213,7 @@ func Test_StaticPool_Broken_FromOutside(t *testing.T) {
 
 	assert.NotNil(t, p)
 
-	res, err := p.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := p.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.NoError(t, err)
 	assert.NotNil(t, res)
@@ -287,11 +288,11 @@ func Test_StaticPool_Replace_Worker(t *testing.T) {
 	var lastPID string
 	lastPID = strconv.Itoa(int(p.Workers()[0].Pid()))
 
-	res, _ := p.Exec(internal.Payload{Body: []byte("hello")})
+	res, _ := p.Exec(payload.Payload{Body: []byte("hello")})
 	assert.Equal(t, lastPID, string(res.Body))
 
 	for i := 0; i < 10; i++ {
-		res, err := p.Exec(internal.Payload{Body: []byte("hello")})
+		res, err := p.Exec(payload.Payload{Body: []byte("hello")})
 
 		assert.NoError(t, err)
 		assert.NotNil(t, res)
@@ -323,14 +324,14 @@ func Test_StaticPool_Debug_Worker(t *testing.T) {
 	assert.Len(t, p.Workers(), 0)
 
 	var lastPID string
-	res, _ := p.Exec(internal.Payload{Body: []byte("hello")})
+	res, _ := p.Exec(payload.Payload{Body: []byte("hello")})
 	assert.NotEqual(t, lastPID, string(res.Body))
 
 	assert.Len(t, p.Workers(), 0)
 
 	for i := 0; i < 10; i++ {
 		assert.Len(t, p.Workers(), 0)
-		res, err := p.Exec(internal.Payload{Body: []byte("hello")})
+		res, err := p.Exec(payload.Payload{Body: []byte("hello")})
 
 		assert.NoError(t, err)
 		assert.NotNil(t, res)
@@ -363,14 +364,14 @@ func Test_StaticPool_Stop_Worker(t *testing.T) {
 	var lastPID string
 	lastPID = strconv.Itoa(int(p.Workers()[0].Pid()))
 
-	res, err := p.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := p.Exec(payload.Payload{Body: []byte("hello")})
 	if err != nil {
 		t.Fatal(err)
 	}
 	assert.Equal(t, lastPID, string(res.Body))
 
 	for i := 0; i < 10; i++ {
-		res, err := p.Exec(internal.Payload{Body: []byte("hello")})
+		res, err := p.Exec(payload.Payload{Body: []byte("hello")})
 
 		assert.NoError(t, err)
 		assert.NotNil(t, res)
@@ -400,7 +401,7 @@ func Test_Static_Pool_Destroy_And_Close(t *testing.T) {
 	assert.NoError(t, err)
 
 	p.Destroy(ctx)
-	_, err = p.Exec(internal.Payload{Body: []byte("100")})
+	_, err = p.Exec(payload.Payload{Body: []byte("100")})
 	assert.Error(t, err)
 }
 
@@ -422,7 +423,7 @@ func Test_Static_Pool_Destroy_And_Close_While_Wait(t *testing.T) {
 	assert.NoError(t, err)
 
 	go func() {
-		_, err := p.Exec(internal.Payload{Body: []byte("100")})
+		_, err := p.Exec(payload.Payload{Body: []byte("100")})
 		if err != nil {
 			t.Errorf("error executing payload: error %v", err)
 		}
@@ -430,7 +431,7 @@ func Test_Static_Pool_Destroy_And_Close_While_Wait(t *testing.T) {
 	time.Sleep(time.Millisecond * 10)
 
 	p.Destroy(ctx)
-	_, err = p.Exec(internal.Payload{Body: []byte("100")})
+	_, err = p.Exec(payload.Payload{Body: []byte("100")})
 	assert.Error(t, err)
 }
 
@@ -456,7 +457,7 @@ func Test_Static_Pool_Handle_Dead(t *testing.T) {
 		w.State().Set(internal.StateErrored)
 	}
 
-	_, err = p.Exec(internal.Payload{Body: []byte("hello")})
+	_, err = p.Exec(payload.Payload{Body: []byte("hello")})
 	assert.Error(t, err)
 }
 
@@ -494,7 +495,7 @@ func Benchmark_Pool_Echo(b *testing.B) {
 	b.ResetTimer()
 	b.ReportAllocs()
 	for n := 0; n < b.N; n++ {
-		if _, err := p.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+		if _, err := p.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 			b.Fail()
 		}
 	}
@@ -520,7 +521,7 @@ func Benchmark_Pool_Echo_Batched(b *testing.B) {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			if _, err := p.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+			if _, err := p.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 				b.Fail()
 				log.Println(err)
 			}
@@ -549,7 +550,7 @@ func Benchmark_Pool_Echo_Replaced(b *testing.B) {
 	b.ReportAllocs()
 
 	for n := 0; n < b.N; n++ {
-		if _, err := p.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+		if _, err := p.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 			b.Fail()
 			log.Println(err)
 		}
diff --git a/pkg/pool/supervisor_pool.go b/pkg/pool/supervisor_pool.go
index 6d1f0c58..6faa609c 100755
--- a/pkg/pool/supervisor_pool.go
+++ b/pkg/pool/supervisor_pool.go
@@ -11,6 +11,7 @@ import (
 	"github.com/spiral/roadrunner/v2/interfaces/pool"
 	"github.com/spiral/roadrunner/v2/interfaces/worker"
 	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 )
 
 const MB = 1024 * 1024
@@ -42,10 +43,10 @@ func newPoolWatcher(pool pool.Pool, events events.Handler, cfg *SupervisorConfig
 
 type ttlExec struct {
 	err error
-	p   internal.Payload
+	p   payload.Payload
 }
 
-func (sp *supervised) ExecWithContext(ctx context.Context, rqs internal.Payload) (internal.Payload, error) {
+func (sp *supervised) ExecWithContext(ctx context.Context, rqs payload.Payload) (payload.Payload, error) {
 	const op = errors.Op("exec_supervised")
 	if sp.cfg.ExecTTL == 0 {
 		return sp.pool.Exec(rqs)
@@ -59,7 +60,7 @@ func (sp *supervised) ExecWithContext(ctx context.Context, rqs internal.Payload)
 		if err != nil {
 			c <- ttlExec{
 				err: errors.E(op, err),
-				p:   internal.Payload{},
+				p:   payload.Payload{},
 			}
 		}
 
@@ -72,10 +73,10 @@ func (sp *supervised) ExecWithContext(ctx context.Context, rqs internal.Payload)
 	for {
 		select {
 		case <-ctx.Done():
-			return internal.Payload{}, errors.E(op, errors.TimeOut, ctx.Err())
+			return payload.Payload{}, errors.E(op, errors.TimeOut, ctx.Err())
 		case res := <-c:
 			if res.err != nil {
-				return internal.Payload{}, res.err
+				return payload.Payload{}, res.err
 			}
 
 			return res.p, nil
@@ -83,11 +84,11 @@ func (sp *supervised) ExecWithContext(ctx context.Context, rqs internal.Payload)
 	}
 }
 
-func (sp *supervised) Exec(p internal.Payload) (internal.Payload, error) {
+func (sp *supervised) Exec(p payload.Payload) (payload.Payload, error) {
 	const op = errors.Op("supervised exec")
 	rsp, err := sp.pool.Exec(p)
 	if err != nil {
-		return internal.Payload{}, errors.E(op, err)
+		return payload.Payload{}, errors.E(op, err)
 	}
 	return rsp, nil
 }
diff --git a/pkg/pool/supervisor_test.go b/pkg/pool/supervisor_test.go
index 2e3e7fd2..7dd423b8 100644
--- a/pkg/pool/supervisor_test.go
+++ b/pkg/pool/supervisor_test.go
@@ -7,7 +7,7 @@ import (
 	"time"
 
 	"github.com/spiral/roadrunner/v2"
-	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 	"github.com/spiral/roadrunner/v2/pkg/pipe"
 	"github.com/stretchr/testify/assert"
 )
@@ -61,7 +61,7 @@ func TestSupervisedPool_Exec(t *testing.T) {
 
 	for i := 0; i < 100; i++ {
 		time.Sleep(time.Millisecond * 50)
-		_, err = p.Exec(internal.Payload{
+		_, err = p.Exec(payload.Payload{
 			Context: []byte(""),
 			Body:    []byte("foo"),
 		})
@@ -98,7 +98,7 @@ func TestSupervisedPool_ExecTTL_TimedOut(t *testing.T) {
 
 	pid := p.Workers()[0].Pid()
 
-	resp, err := p.ExecWithContext(context.Background(), internal.Payload{
+	resp, err := p.ExecWithContext(context.Background(), payload.Payload{
 		Context: []byte(""),
 		Body:    []byte("foo"),
 	})
@@ -139,7 +139,7 @@ func TestSupervisedPool_ExecTTL_OK(t *testing.T) {
 	pid := p.Workers()[0].Pid()
 
 	time.Sleep(time.Millisecond * 100)
-	resp, err := p.Exec(internal.Payload{
+	resp, err := p.Exec(payload.Payload{
 		Context: []byte(""),
 		Body:    []byte("foo"),
 	})
diff --git a/pkg/socket/socket_factory_test.go b/pkg/socket/socket_factory_test.go
index f1a7d637..6a88713a 100755
--- a/pkg/socket/socket_factory_test.go
+++ b/pkg/socket/socket_factory_test.go
@@ -8,7 +8,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 	"github.com/spiral/roadrunner/v2/pkg/worker"
 	"github.com/stretchr/testify/assert"
 )
@@ -211,7 +211,7 @@ func Test_Tcp_Broken(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := sw.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
 	assert.Error(t, err)
 	assert.Nil(t, res.Body)
 	assert.Nil(t, res.Context)
@@ -251,7 +251,7 @@ func Test_Tcp_Echo(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := sw.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.NoError(t, err)
 	assert.NotNil(t, res)
@@ -396,7 +396,7 @@ func Test_Unix_Broken(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := sw.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.Error(t, err)
 	assert.Nil(t, res.Context)
@@ -439,7 +439,7 @@ func Test_Unix_Echo(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := sw.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.NoError(t, err)
 	assert.NotNil(t, res)
@@ -515,7 +515,7 @@ func Benchmark_Tcp_Worker_ExecEcho(b *testing.B) {
 	}
 
 	for n := 0; n < b.N; n++ {
-		if _, err := sw.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 			b.Fail()
 		}
 	}
@@ -583,7 +583,7 @@ func Benchmark_Unix_Worker_ExecEcho(b *testing.B) {
 	}
 
 	for n := 0; n < b.N; n++ {
-		if _, err := sw.Exec(internal.Payload{Body: []byte("hello")}); err != nil {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
 			b.Fail()
 		}
 	}
diff --git a/pkg/worker/sync_worker.go b/pkg/worker/sync_worker.go
index 1eb1396e..daa07186 100755
--- a/pkg/worker/sync_worker.go
+++ b/pkg/worker/sync_worker.go
@@ -9,6 +9,7 @@ import (
 	"github.com/spiral/roadrunner/v2/interfaces/events"
 	"github.com/spiral/roadrunner/v2/interfaces/worker"
 	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 	"go.uber.org/multierr"
 
 	"github.com/spiral/goridge/v3"
@@ -26,14 +27,14 @@ func From(w worker.BaseProcess) (worker.SyncWorker, error) {
 }
 
 // Exec payload without TTL timeout.
-func (tw *syncWorker) Exec(p internal.Payload) (internal.Payload, error) {
+func (tw *syncWorker) Exec(p payload.Payload) (payload.Payload, error) {
 	const op = errors.Op("sync worker Exec")
 	if len(p.Body) == 0 && len(p.Context) == 0 {
-		return internal.Payload{}, errors.E(op, errors.Str("payload can not be empty"))
+		return payload.Payload{}, errors.E(op, errors.Str("payload can not be empty"))
 	}
 
 	if tw.w.State().Value() != internal.StateReady {
-		return internal.Payload{}, errors.E(op, errors.Errorf("Process is not ready (%s)", tw.w.State().String()))
+		return payload.Payload{}, errors.E(op, errors.Errorf("Process is not ready (%s)", tw.w.State().String()))
 	}
 
 	// set last used time
@@ -47,7 +48,7 @@ func (tw *syncWorker) Exec(p internal.Payload) (internal.Payload, error) {
 			tw.w.State().Set(internal.StateErrored)
 			tw.w.State().RegisterExec()
 		}
-		return internal.Payload{}, err
+		return payload.Payload{}, err
 	}
 
 	tw.w.State().Set(internal.StateReady)
@@ -57,18 +58,18 @@ func (tw *syncWorker) Exec(p internal.Payload) (internal.Payload, error) {
 }
 
 type wexec struct {
-	payload internal.Payload
+	payload payload.Payload
 	err     error
 }
 
 // Exec payload without TTL timeout.
-func (tw *syncWorker) ExecWithContext(ctx context.Context, p internal.Payload) (internal.Payload, error) {
+func (tw *syncWorker) ExecWithContext(ctx context.Context, p payload.Payload) (payload.Payload, error) {
 	const op = errors.Op("ExecWithContext")
 	c := make(chan wexec, 1)
 	go func() {
 		if len(p.Body) == 0 && len(p.Context) == 0 {
 			c <- wexec{
-				payload: internal.Payload{},
+				payload: payload.Payload{},
 				err:     errors.E(op, errors.Str("payload can not be empty")),
 			}
 			return
@@ -76,7 +77,7 @@ func (tw *syncWorker) ExecWithContext(ctx context.Context, p internal.Payload) (
 
 		if tw.w.State().Value() != internal.StateReady {
 			c <- wexec{
-				payload: internal.Payload{},
+				payload: payload.Payload{},
 				err:     errors.E(op, errors.Errorf("Process is not ready (%s)", tw.w.State().String())),
 			}
 			return
@@ -94,7 +95,7 @@ func (tw *syncWorker) ExecWithContext(ctx context.Context, p internal.Payload) (
 				tw.w.State().RegisterExec()
 			}
 			c <- wexec{
-				payload: internal.Payload{},
+				payload: payload.Payload{},
 				err:     errors.E(op, err),
 			}
 			return
@@ -113,18 +114,18 @@ func (tw *syncWorker) ExecWithContext(ctx context.Context, p internal.Payload) (
 	case <-ctx.Done():
 		err := multierr.Combine(tw.Kill())
 		if err != nil {
-			return internal.Payload{}, multierr.Append(err, ctx.Err())
+			return payload.Payload{}, multierr.Append(err, ctx.Err())
 		}
-		return internal.Payload{}, ctx.Err()
+		return payload.Payload{}, ctx.Err()
 	case res := <-c:
 		if res.err != nil {
-			return internal.Payload{}, res.err
+			return payload.Payload{}, res.err
 		}
 		return res.payload, nil
 	}
 }
 
-func (tw *syncWorker) execPayload(p internal.Payload) (internal.Payload, error) {
+func (tw *syncWorker) execPayload(p payload.Payload) (payload.Payload, error) {
 	const op = errors.Op("exec payload")
 
 	frame := goridge.NewFrame()
@@ -147,35 +148,35 @@ func (tw *syncWorker) execPayload(p internal.Payload) (internal.Payload, error)
 
 	err := tw.Relay().Send(frame)
 	if err != nil {
-		return internal.Payload{}, err
+		return payload.Payload{}, err
 	}
 
 	frameR := goridge.NewFrame()
 
 	err = tw.w.Relay().Receive(frameR)
 	if err != nil {
-		return internal.Payload{}, errors.E(op, err)
+		return payload.Payload{}, errors.E(op, err)
 	}
 	if frameR == nil {
-		return internal.Payload{}, errors.E(op, errors.Str("nil frame received"))
+		return payload.Payload{}, errors.E(op, errors.Str("nil frame received"))
 	}
 
 	if !frameR.VerifyCRC() {
-		return internal.Payload{}, errors.E(op, errors.Str("failed to verify CRC"))
+		return payload.Payload{}, errors.E(op, errors.Str("failed to verify CRC"))
 	}
 
 	flags := frameR.ReadFlags()
 
 	if flags&byte(goridge.ERROR) != byte(0) {
-		return internal.Payload{}, errors.E(op, errors.ErrSoftJob, errors.Str(string(frameR.Payload())))
+		return payload.Payload{}, errors.E(op, errors.ErrSoftJob, errors.Str(string(frameR.Payload())))
 	}
 
 	options := frameR.ReadOptions()
 	if len(options) != 1 {
-		return internal.Payload{}, errors.E(op, errors.Str("options length should be equal 1 (body offset)"))
+		return payload.Payload{}, errors.E(op, errors.Str("options length should be equal 1 (body offset)"))
 	}
 
-	payload := internal.Payload{}
+	payload := payload.Payload{}
 	payload.Context = frameR.Payload()[:options[0]]
 	payload.Body = frameR.Payload()[options[0]:]
 
diff --git a/pkg/worker/sync_worker_test.go b/pkg/worker/sync_worker_test.go
index e224e105..40988b06 100755
--- a/pkg/worker/sync_worker_test.go
+++ b/pkg/worker/sync_worker_test.go
@@ -4,7 +4,7 @@ import (
 	"os/exec"
 	"testing"
 
-	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -27,7 +27,7 @@ func Test_NotStarted_Exec(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	res, err := syncWorker.Exec(internal.Payload{Body: []byte("hello")})
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
 
 	assert.Error(t, err)
 	assert.Nil(t, res.Body)
diff --git a/pkg/worker/worker.go b/pkg/worker/worker.go
index 35d3264e..95fa6e06 100755
--- a/pkg/worker/worker.go
+++ b/pkg/worker/worker.go
@@ -17,7 +17,7 @@ import (
 	"github.com/spiral/roadrunner/v2/interfaces/events"
 	"github.com/spiral/roadrunner/v2/interfaces/worker"
 	"github.com/spiral/roadrunner/v2/internal"
-	events2 "github.com/spiral/roadrunner/v2/pkg/events"
+	eventsPkg "github.com/spiral/roadrunner/v2/pkg/events"
 	"go.uber.org/multierr"
 )
 
@@ -88,7 +88,7 @@ func InitBaseWorker(cmd *exec.Cmd) (worker.BaseProcess, error) {
 	}
 	w := &Process{
 		created: time.Now(),
-		events:  events2.NewEventsHandler(),
+		events:  eventsPkg.NewEventsHandler(),
 		cmd:     cmd,
 		state:   internal.NewWorkerState(internal.StateInactive),
 		stderr:  new(bytes.Buffer),