move refs/pman over to owncloud/ocis/ocis/pkg/runtime

ocis/pkg/runtime/storage/map.go

@@ -0,0 +1,64 @@
+package storage
+
+import (
+	"github.com/owncloud/ocis/ocis/pkg/runtime/process"
+
+	"sync"
+)
+
+// Map synchronizes access to extension+pid tuples.
+type Map struct {
+	c *sync.Map
+}
+
+// NewMapStorage initializes a new Storage.
+func NewMapStorage() Storage {
+	return &Map{
+		c: &sync.Map{},
+	}
+}
+
+// Store a value on the underlying data structure.
+func (m *Map) Store(e process.ProcEntry) error {
+	m.c.Store(e.Extension, e.Pid)
+	return nil
+}
+
+// Delete a value on the underlying data structure.
+func (m *Map) Delete(e process.ProcEntry) error {
+	m.c.Delete(e.Extension)
+	return nil
+}
+
+// Load a single pid.
+func (m *Map) Load(name string) int {
+	var val int
+	m.c.Range(func(k, v interface{}) bool {
+		if k.(string) == name {
+			val = v.(int)
+			return false
+		}
+		return true
+	})
+	return val
+}
+
+// LoadAll values from the underlying data structure.
+func (m *Map) LoadAll() Entries {
+	e := make(map[string]int, 0)
+	m.c.Range(func(k, v interface{}) bool {
+		ks, ok := k.(string)
+		if !ok {
+			return false
+		}
+
+		vs, ok := v.(int)
+		if !ok {
+			return false
+		}
+
+		e[ks] = vs
+		return true
+	})
+	return e
+}

ocis/pkg/runtime/storage/map_test.go

@@ -0,0 +1,43 @@
+package storage
+
+import (
+	"fmt"
+	"math/rand"
+	"os"
+	"strconv"
+	"testing"
+
+	"github.com/owncloud/ocis/ocis/pkg/runtime/process"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMain(m *testing.M) {
+	loadStore()
+	os.Exit(m.Run())
+}
+
+var (
+	store = NewMapStorage()
+)
+
+func loadStore() {
+	for i := 0; i < 20; i++ {
+		store.Store(process.ProcEntry{
+			Pid:       rand.Int(),
+			Extension: fmt.Sprintf("extension-%s", strconv.Itoa(i)),
+		})
+	}
+}
+
+func TestLoadAll(t *testing.T) {
+	all := store.LoadAll()
+	assert.NotNil(t, all["extension-1"])
+}
+
+func TestDelete(t *testing.T) {
+	store.Delete(process.ProcEntry{
+		Extension: "extension-1",
+	})
+	all := store.LoadAll()
+	assert.Zero(t, all["extension-1"])
+}

ocis/pkg/runtime/storage/storage.go

@@ -0,0 +1,21 @@
+package storage
+
+import "github.com/owncloud/ocis/ocis/pkg/runtime/process"
+
+// Entries is a tuple of <extension:pid>
+type Entries map[string]int
+
+// Storage defines a basic persistence interface layer.
+type Storage interface {
+	// Store a representation of a process.
+	Store(e process.ProcEntry) error
+
+	// Delete a representation of a process.
+	Delete(e process.ProcEntry) error
+
+	// Load a single entry.
+	Load(name string) int
+
+	// LoadAll retrieves a set of entries of running processes on the host machine.
+	LoadAll() Entries
+}