VOL-1867 move simulated olt from voltha-go to voltha-simolt-adapter
Sourced from voltha-go commit 251a11c0ffe60512318a644cd6ce0dc4e12f4018
Change-Id: I8e7ee4da1fed739b3c461917301d2729a79307f5
diff --git a/internal/pkg/adaptercore/device_handler.go b/internal/pkg/adaptercore/device_handler.go
new file mode 100644
index 0000000..628e2e5
--- /dev/null
+++ b/internal/pkg/adaptercore/device_handler.go
@@ -0,0 +1,335 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * 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 adaptercore
+
+import (
+ "context"
+ "fmt"
+ "github.com/gogo/protobuf/proto"
+ com "github.com/opencord/voltha-go/adapters/common"
+ "github.com/opencord/voltha-go/common/log"
+ ic "github.com/opencord/voltha-protos/go/inter_container"
+ of "github.com/opencord/voltha-protos/go/openflow_13"
+ "github.com/opencord/voltha-protos/go/voltha"
+ "strconv"
+ "strings"
+ "sync"
+)
+
+// A set of pm names to create the initial pm config. This is used only for testing in this simulated adapter
+var pmNames = []string{
+ "tx_64_pkts",
+ "tx_65_127_pkts",
+ "tx_128_255_pkts",
+ "tx_256_511_pkts",
+ "tx_512_1023_pkts",
+ "tx_1024_1518_pkts",
+ "tx_1519_9k_pkts",
+ "rx_64_pkts",
+ "rx_65_127_pkts",
+ "rx_128_255_pkts",
+ "rx_256_511_pkts",
+ "rx_512_1023_pkts",
+ "rx_1024_1518_pkts",
+ "rx_1519_9k_pkts",
+}
+
+//DeviceHandler follows the same patterns as ponsim_olt. The only difference is that it does not
+// interact with an OLT device.
+type DeviceHandler struct {
+ deviceId string
+ deviceType string
+ device *voltha.Device
+ coreProxy *com.CoreProxy
+ simulatedOLT *SimulatedOLT
+ nniPort *voltha.Port
+ ponPort *voltha.Port
+ exitChannel chan int
+ lockDevice sync.RWMutex
+ metrics *com.PmMetrics
+}
+
+//NewDeviceHandler creates a new device handler
+func NewDeviceHandler(cp *com.CoreProxy, device *voltha.Device, adapter *SimulatedOLT) *DeviceHandler {
+ var dh DeviceHandler
+ dh.coreProxy = cp
+ cloned := (proto.Clone(device)).(*voltha.Device)
+ dh.deviceId = cloned.Id
+ dh.deviceType = cloned.Type
+ dh.device = cloned
+ dh.simulatedOLT = adapter
+ dh.exitChannel = make(chan int, 1)
+ dh.lockDevice = sync.RWMutex{}
+ // Set up PON metrics
+ dh.metrics = com.NewPmMetrics(
+ cloned.Id,
+ com.Frequency(150),
+ com.Grouped(false),
+ com.FrequencyOverride(false),
+ com.Metrics(pmNames),
+ )
+ return &dh
+}
+
+// start save the device to the data model
+func (dh *DeviceHandler) start(ctx context.Context) {
+ dh.lockDevice.Lock()
+ defer dh.lockDevice.Unlock()
+ log.Debugw("starting-device-agent", log.Fields{"device": dh.device})
+ // Add the initial device to the local model
+ log.Debug("device-agent-started")
+}
+
+// stop stops the device dh. Not much to do for now
+func (dh *DeviceHandler) stop(ctx context.Context) {
+ dh.lockDevice.Lock()
+ defer dh.lockDevice.Unlock()
+ log.Debug("stopping-device-agent")
+ dh.exitChannel <- 1
+ log.Debug("device-agent-stopped")
+}
+
+func macAddressToUint32Array(mac string) []uint32 {
+ slist := strings.Split(mac, ":")
+ result := make([]uint32, len(slist))
+ var err error
+ var tmp int64
+ for index, val := range slist {
+ if tmp, err = strconv.ParseInt(val, 16, 32); err != nil {
+ return []uint32{1, 2, 3, 4, 5, 6}
+ }
+ result[index] = uint32(tmp)
+ }
+ return result
+}
+
+func (dh *DeviceHandler) AdoptDevice(device *voltha.Device) {
+ log.Debugw("AdoptDevice", log.Fields{"deviceId": device.Id})
+
+ // Update the device info
+ cloned := proto.Clone(device).(*voltha.Device)
+ cloned.Root = true
+ cloned.Vendor = "simulators"
+ cloned.Model = "go-simulators"
+ cloned.SerialNumber = com.GetRandomSerialNumber()
+ cloned.MacAddress = strings.ToUpper(com.GetRandomMacAddress())
+
+ // Synchronous call to update device - this method is run in its own go routine
+ if err := dh.coreProxy.DeviceUpdate(nil, cloned); err != nil {
+ log.Errorw("error-updating-device", log.Fields{"deviceId": device.Id, "error": err})
+ }
+
+ // Now, set the initial PM configuration for that device
+ if err := dh.coreProxy.DevicePMConfigUpdate(nil, dh.metrics.ToPmConfigs()); err != nil {
+ log.Errorw("error-updating-PMs", log.Fields{"deviceId": device.Id, "error": err})
+ }
+
+ // Now create the NNI Port
+ dh.nniPort = &voltha.Port{
+ PortNo: 2,
+ Label: fmt.Sprintf("nni-%d", 2),
+ Type: voltha.Port_ETHERNET_NNI,
+ OperStatus: voltha.OperStatus_ACTIVE,
+ }
+
+ // Synchronous call to update device - this method is run in its own go routine
+ if err := dh.coreProxy.PortCreated(nil, cloned.Id, dh.nniPort); err != nil {
+ log.Errorw("error-creating-nni-port", log.Fields{"deviceId": device.Id, "error": err})
+ }
+
+ // Now create the PON Port
+ dh.ponPort = &voltha.Port{
+ PortNo: 1,
+ Label: fmt.Sprintf("pon-%d", 1),
+ Type: voltha.Port_PON_OLT,
+ OperStatus: voltha.OperStatus_ACTIVE,
+ }
+
+ // Synchronous call to update device - this method is run in its own go routine
+ if err := dh.coreProxy.PortCreated(nil, cloned.Id, dh.ponPort); err != nil {
+ log.Errorw("error-creating-nni-port", log.Fields{"deviceId": device.Id, "error": err})
+ }
+
+ cloned.ConnectStatus = voltha.ConnectStatus_REACHABLE
+ cloned.OperStatus = voltha.OperStatus_ACTIVE
+
+ dh.device = cloned
+ //dh.device.SerialNumber = cloned.SerialNumber
+
+ // Update the device state
+ if err := dh.coreProxy.DeviceStateUpdate(nil, cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
+ log.Errorw("error-creating-nni-port", log.Fields{"deviceId": device.Id, "error": err})
+ }
+
+ // Register Child device
+ initialUniPortNo := 100
+ log.Debugw("registering-onus", log.Fields{"total": dh.simulatedOLT.numOnus})
+ for i := 0; i < dh.simulatedOLT.numOnus; i++ {
+ go dh.coreProxy.ChildDeviceDetected(
+ nil,
+ cloned.Id,
+ 1,
+ "simulated_onu",
+ initialUniPortNo+i,
+ "simulated_onu",
+ com.GetRandomSerialNumber(),
+ int64(i))
+ }
+}
+
+func (dh *DeviceHandler) GetOfpDeviceInfo(device *voltha.Device) (*ic.SwitchCapability, error) {
+ return &ic.SwitchCapability{
+ Desc: &of.OfpDesc{
+ HwDesc: "simulated_pon",
+ SwDesc: "simulated_pon",
+ SerialNum: dh.device.SerialNumber,
+ },
+ SwitchFeatures: &of.OfpSwitchFeatures{
+ NBuffers: 256,
+ NTables: 2,
+ Capabilities: uint32(of.OfpCapabilities_OFPC_FLOW_STATS |
+ of.OfpCapabilities_OFPC_TABLE_STATS |
+ of.OfpCapabilities_OFPC_PORT_STATS |
+ of.OfpCapabilities_OFPC_GROUP_STATS),
+ },
+ }, nil
+}
+
+func (dh *DeviceHandler) GetOfpPortInfo(device *voltha.Device, portNo int64) (*ic.PortCapability, error) {
+ cap := uint32(of.OfpPortFeatures_OFPPF_1GB_FD | of.OfpPortFeatures_OFPPF_FIBER)
+ return &ic.PortCapability{
+ Port: &voltha.LogicalPort{
+ OfpPort: &of.OfpPort{
+ HwAddr: macAddressToUint32Array(dh.device.MacAddress),
+ Config: 0,
+ State: uint32(of.OfpPortState_OFPPS_LIVE),
+ Curr: cap,
+ Advertised: cap,
+ Peer: cap,
+ CurrSpeed: uint32(of.OfpPortFeatures_OFPPF_1GB_FD),
+ MaxSpeed: uint32(of.OfpPortFeatures_OFPPF_1GB_FD),
+ },
+ DeviceId: dh.device.Id,
+ DevicePortNo: uint32(portNo),
+ },
+ }, nil
+}
+
+func (dh *DeviceHandler) Process_inter_adapter_message(msg *ic.InterAdapterMessage) error {
+ log.Debugw("Process_inter_adapter_message", log.Fields{"msgId": msg.Header.Id})
+ return nil
+}
+
+func (dh *DeviceHandler) DisableDevice(device *voltha.Device) {
+ cloned := proto.Clone(device).(*voltha.Device)
+ // Update the all ports state on that device to disable
+ if err := dh.coreProxy.PortsStateUpdate(nil, cloned.Id, voltha.OperStatus_UNKNOWN); err != nil {
+ log.Errorw("updating-ports-failed", log.Fields{"deviceId": device.Id, "error": err})
+ return
+ }
+
+ //Update the device state
+ cloned.ConnectStatus = voltha.ConnectStatus_UNREACHABLE
+ cloned.OperStatus = voltha.OperStatus_UNKNOWN
+ dh.device = cloned
+
+ if err := dh.coreProxy.DeviceStateUpdate(nil, cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
+ log.Errorw("device-state-update-failed", log.Fields{"deviceId": device.Id, "error": err})
+ return
+ }
+
+ // Tell the Core that all child devices have been disabled (by default it's an action already taken by the Core
+ if err := dh.coreProxy.ChildDevicesLost(nil, cloned.Id); err != nil {
+ log.Errorw("lost-notif-of-child-devices-failed", log.Fields{"deviceId": device.Id, "error": err})
+ return
+ }
+
+ log.Debugw("DisableDevice-end", log.Fields{"deviceId": device.Id})
+}
+
+func (dh *DeviceHandler) ReEnableDevice(device *voltha.Device) {
+
+ cloned := proto.Clone(device).(*voltha.Device)
+ // Update the all ports state on that device to enable
+ if err := dh.coreProxy.PortsStateUpdate(nil, cloned.Id, voltha.OperStatus_ACTIVE); err != nil {
+ log.Errorw("updating-ports-failed", log.Fields{"deviceId": device.Id, "error": err})
+ return
+ }
+
+ //Update the device state
+ cloned.ConnectStatus = voltha.ConnectStatus_REACHABLE
+ cloned.OperStatus = voltha.OperStatus_ACTIVE
+ dh.device = cloned
+
+ if err := dh.coreProxy.DeviceStateUpdate(nil, cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
+ log.Errorw("device-state-update-failed", log.Fields{"deviceId": device.Id, "error": err})
+ return
+ }
+
+ // Tell the Core that all child devices have been enabled
+ if err := dh.coreProxy.ChildDevicesDetected(nil, cloned.Id); err != nil {
+ log.Errorw("detection-notif-of-child-devices-failed", log.Fields{"deviceId": device.Id, "error": err})
+ return
+ }
+
+ log.Debugw("ReEnableDevice-end", log.Fields{"deviceId": device.Id})
+}
+
+func (dh *DeviceHandler) DeleteDevice(device *voltha.Device) {
+ cloned := proto.Clone(device).(*voltha.Device)
+ // Update the all ports state on that device to disable
+ if err := dh.coreProxy.DeleteAllPorts(nil, cloned.Id); err != nil {
+ log.Errorw("delete-ports-failed", log.Fields{"deviceId": device.Id, "error": err})
+ return
+ }
+
+ log.Debugw("DeleteDevice-end", log.Fields{"deviceId": device.Id})
+}
+
+func (dh *DeviceHandler) UpdateFlowsBulk(device *voltha.Device, flows *voltha.Flows, groups *voltha.FlowGroups, metadata *voltha.FlowMetadata) {
+ log.Debugw("UpdateFlowsBulk", log.Fields{"deviceId": device.Id, "flows": flows, "groups": groups})
+ // For now we do nothing with it
+ return
+}
+
+func (dh *DeviceHandler) UpdateFlowsIncremental(device *voltha.Device, flowChanges *of.FlowChanges, groupChanges *of.FlowGroupChanges, metadata *voltha.FlowMetadata) {
+ log.Debugw("UpdateFlowsIncremental", log.Fields{"deviceId": device.Id, "flowChanges": flowChanges, "groupChanges": groupChanges})
+ // For now we do nothing with it
+ return
+}
+
+func (dh *DeviceHandler) UpdatePmConfigs(device *voltha.Device, pmConfigs *voltha.PmConfigs) {
+ log.Debugw("UpdatePmConfigs", log.Fields{"deviceId": device.Id, "pmConfigs": pmConfigs})
+ // For now we do nothing with it
+ return
+}
+
+func (dh *DeviceHandler) ReconcileDevice(device *voltha.Device) {
+ // Update the device info
+ cloned := proto.Clone(device).(*voltha.Device)
+ cloned.ConnectStatus = voltha.ConnectStatus_REACHABLE
+ cloned.OperStatus = voltha.OperStatus_ACTIVE
+
+ dh.device = cloned
+
+ // Update the device state
+ if err := dh.coreProxy.DeviceStateUpdate(nil, cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
+ log.Errorw("error-creating-nni-port", log.Fields{"deviceId": device.Id, "error": err})
+ }
+
+ // Since we don't know how long we were down, let's reconcile the child devices
+ go dh.coreProxy.ReconcileChildDevices(nil, cloned.Id)
+}