seba-321 implemented reflow logic

Change-Id: I4a67a38104dbcb9bbfa830b38fc4fc21c42c2dbd
diff --git a/internal/pkg/impl/olt.go b/internal/pkg/impl/olt.go
new file mode 100644
index 0000000..b878a9b
--- /dev/null
+++ b/internal/pkg/impl/olt.go
@@ -0,0 +1,60 @@
+/*
+ Copyright 2017 the original author or authors.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package impl
+
+import (
+	"errors"
+	"fmt"
+	"net"
+
+	"gerrit.opencord.org/abstract-olt/models"
+	"gerrit.opencord.org/abstract-olt/models/physical"
+)
+
+/*
+CreateOLTChassis adds an OLT chassis/line card to the Physical chassis
+*/
+func CreateOLTChassis(clli string, oltType string, address net.TCPAddr, hostname string) (string, error) {
+	myChan := getSyncChannel()
+	<-myChan
+	defer done(myChan, true)
+	chassisMap := models.GetChassisMap()
+	chassisHolder := (*chassisMap)[clli]
+	if chassisHolder == nil {
+		errString := fmt.Sprintf("There is no chassis with CLLI of %s", clli)
+		return "", errors.New(errString)
+	}
+	physicalChassis := &chassisHolder.PhysicalChassis
+	sOlt := physical.SimpleOLT{CLLI: clli, Hostname: hostname, Address: address, Parent: physicalChassis}
+	switch oltType {
+	case "edgecore":
+		sOlt.CreateEdgecore()
+	case "adtran":
+	case "tibit":
+	}
+	physicalChassis.AddOLTChassis(sOlt)
+	ports := sOlt.GetPorts()
+	for i := 0; i < len(ports); i++ {
+		absPort, _ := chassisHolder.AbstractChassis.NextPort()
+
+		absPort.PhysPort = &ports[i]
+		//AssignTraits(&ports[i], absPort)
+	}
+	isDirty = true
+	return clli, nil
+
+}