1 files changed, 0 insertions, 252 deletions
diff --git a/ipc/socket/socket_factory.go b/ipc/socket/socket_factory.go
deleted file mode 100755
index aa356424..00000000
--- a/ipc/socket/socket_factory.go
+++ /dev/null
@@ -1,252 +0,0 @@
-package socket
-
-import (
-	"context"
-	"fmt"
-	"net"
-	"os/exec"
-	"sync"
-	"time"
-
-	"github.com/shirou/gopsutil/process"
-	"github.com/spiral/errors"
-	"github.com/spiral/goridge/v3/pkg/relay"
-	"github.com/spiral/goridge/v3/pkg/socket"
-	"github.com/spiral/roadrunner/v2/internal"
-	"github.com/spiral/roadrunner/v2/worker"
-	"go.uber.org/zap"
-
-	"golang.org/x/sync/errgroup"
-)
-
-// Factory connects to external stack using socket server.
-type Factory struct {
-	// listens for incoming connections from underlying processes
-	ls net.Listener
-
-	// relay connection timeout
-	tout time.Duration
-
-	// sockets which are waiting for process association
-	relays sync.Map
-
-	log *zap.Logger
-}
-
-// NewSocketServer returns Factory attached to a given socket listener.
-// tout specifies for how long factory should serve for incoming relay connection
-func NewSocketServer(ls net.Listener, tout time.Duration, log *zap.Logger) *Factory {
-	f := &Factory{
-		ls:     ls,
-		tout:   tout,
-		relays: sync.Map{},
-		log:    log,
-	}
-
-	// Be careful
-	// https://github.com/go101/go101/wiki/About-memory-ordering-guarantees-made-by-atomic-operations-in-Go
-	// https://github.com/golang/go/issues/5045
-	go func() {
-		err := f.listen()
-		// there is no logger here, use fmt
-		if err != nil {
-			fmt.Printf("[WARN]: socket server listen, error: %v\n", err)
-		}
-	}()
-
-	return f
-}
-
-// blocking operation, returns an error
-func (f *Factory) listen() error {
-	errGr := &errgroup.Group{}
-	errGr.Go(func() error {
-		for {
-			conn, err := f.ls.Accept()
-			if err != nil {
-				return err
-			}
-
-			rl := socket.NewSocketRelay(conn)
-			pid, err := internal.Pid(rl)
-			if err != nil {
-				return err
-			}
-
-			f.attachRelayToPid(pid, rl)
-		}
-	})
-
-	return errGr.Wait()
-}
-
-type socketSpawn struct {
-	w   *worker.Process
-	err error
-}
-
-// SpawnWorkerWithTimeout creates Process and connects it to appropriate relay or return an error
-func (f *Factory) SpawnWorkerWithTimeout(ctx context.Context, cmd *exec.Cmd) (*worker.Process, error) {
-	c := make(chan socketSpawn)
-	go func() {
-		ctxT, cancel := context.WithTimeout(ctx, f.tout)
-		defer cancel()
-		w, err := worker.InitBaseWorker(cmd, worker.WithLog(f.log))
-		if err != nil {
-			select {
-			case c <- socketSpawn{
-				w:   nil,
-				err: err,
-			}:
-				return
-			default:
-				return
-			}
-		}
-
-		err = w.Start()
-		if err != nil {
-			select {
-			case c <- socketSpawn{
-				w:   nil,
-				err: err,
-			}:
-				return
-			default:
-				return
-			}
-		}
-
-		rl, err := f.findRelayWithContext(ctxT, w)
-		if err != nil {
-			_ = w.Kill()
-			select {
-			// try to write result
-			case c <- socketSpawn{
-				w:   nil,
-				err: err,
-			}:
-				return
-				// if no receivers - return
-			default:
-				return
-			}
-		}
-
-		w.AttachRelay(rl)
-		w.State().Set(worker.StateReady)
-
-		select {
-		case c <- socketSpawn{
-			w:   w,
-			err: nil,
-		}:
-			return
-		default:
-			_ = w.Kill()
-			return
-		}
-	}()
-
-	select {
-	case <-ctx.Done():
-		return nil, ctx.Err()
-	case res := <-c:
-		if res.err != nil {
-			return nil, res.err
-		}
-
-		return res.w, nil
-	}
-}
-
-func (f *Factory) SpawnWorker(cmd *exec.Cmd) (*worker.Process, error) {
-	w, err := worker.InitBaseWorker(cmd, worker.WithLog(f.log))
-	if err != nil {
-		return nil, err
-	}
-
-	err = w.Start()
-	if err != nil {
-		return nil, err
-	}
-
-	rl, err := f.findRelay(w)
-	if err != nil {
-		_ = w.Kill()
-		return nil, err
-	}
-
-	w.AttachRelay(rl)
-
-	// errors bundle
-	_, err = internal.Pid(rl)
-	if err != nil {
-		_ = w.Kill()
-		return nil, err
-	}
-
-	w.State().Set(worker.StateReady)
-
-	return w, nil
-}
-
-// Close socket factory and underlying socket connection.
-func (f *Factory) Close() error {
-	return f.ls.Close()
-}
-
-// waits for Process to connect over socket and returns associated relay of timeout
-func (f *Factory) findRelayWithContext(ctx context.Context, w worker.BaseProcess) (*socket.Relay, error) {
-	ticker := time.NewTicker(time.Millisecond * 10)
-	for {
-		select {
-		case <-ctx.Done():
-			return nil, ctx.Err()
-		case <-ticker.C:
-			// check for the process exists
-			_, err := process.NewProcess(int32(w.Pid()))
-			if err != nil {
-				return nil, err
-			}
-		default:
-			// find first pid and attach relay to it
-			var r *socket.Relay
-			f.relays.Range(func(k, val interface{}) bool {
-				r = val.(*socket.Relay)
-				f.relays.Delete(k)
-				return false
-			})
-
-			// no relay exists
-			if r == nil {
-				continue
-			}
-
-			return r, nil
-		}
-	}
-}
-
-func (f *Factory) findRelay(w worker.BaseProcess) (*socket.Relay, error) {
-	const op = errors.Op("factory_find_relay")
-	// poll every 1ms for the relay
-	pollDone := time.NewTimer(f.tout)
-	for {
-		select {
-		case <-pollDone.C:
-			return nil, errors.E(op, errors.Str("relay timeout"))
-		default:
-			tmp, ok := f.relays.Load(w.Pid())
-			if !ok {
-				continue
-			}
-			return tmp.(*socket.Relay), nil
-		}
-	}
-}
-
-// chan to store relay associated with specific pid
-func (f *Factory) attachRelayToPid(pid int64, relay relay.Relay) {
-	f.relays.Store(pid, relay)
-}