blob: e51a3477ae85bdadad3c9837294455ca1441f42c [file] [log] [blame]
/*
* Copyright 2022-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 controller
import (
"context"
"time"
infraerror "voltha-go-controller/internal/pkg/errorcodes"
infraerrorcode "voltha-go-controller/internal/pkg/errorcodes/service"
"voltha-go-controller/internal/pkg/of"
"voltha-go-controller/log"
"google.golang.org/grpc/codes"
)
//ModGroupTask - Group Modification Task
type ModGroupTask struct {
taskID uint8
ctx context.Context
group *of.Group
device *Device
timestamp string
}
//NewModGroupTask - Initializes new group task
func NewModGroupTask(ctx context.Context, group *of.Group, device *Device) *ModGroupTask {
var grp ModGroupTask
grp.device = device
grp.group = group
grp.ctx = ctx
tstamp := (time.Now()).Format(time.RFC3339Nano)
grp.timestamp = tstamp
return &grp
}
//Name - Name of task
func (grp *ModGroupTask) Name() string {
return "Group Mod Task"
}
//TaskID - Task id
func (grp *ModGroupTask) TaskID() uint8 {
return grp.taskID
}
// Timestamp to return timestamp of the task
func (grp *ModGroupTask) Timestamp() string {
return grp.timestamp
}
//Stop - task stop
func (grp *ModGroupTask) Stop() {
}
//Start - task start
func (grp *ModGroupTask) Start(ctx context.Context, taskID uint8) error {
var err error
grp.taskID = taskID
grp.ctx = ctx
i := 0
processGroupModResult := func(err error) bool {
statusCode, statusMsg := infraerror.GetErrorInfo(err)
if infraerrorcode.ErrorCode(statusCode) != infraerrorcode.ErrOk {
if grp.group.Command == of.GroupCommandAdd && (codes.Code(statusCode) == codes.AlreadyExists) {
logger.Warnw(ctx, "Update Group Table Failed - Ignoring since Group Already exists",
log.Fields{"groupId": grp.group.GroupID, "groupOp": grp.group.Command, "Status": statusCode, "errorReason": statusMsg})
return true
}
logger.Errorw(ctx, "Update Group Table Failed",
log.Fields{"groupId": grp.group.GroupID, "groupOp": grp.group.Command, "Status": statusCode, "errorReason": statusMsg})
return false
}
logger.Infow(ctx, "Group Mod Result", log.Fields{"groupID": grp.group.GroupID, "Error Code": statusCode})
return true
}
if grp.group.Command != of.GroupCommandDel {
grp.group.State = of.GroupOperPending
grp.device.UpdateGroupEntry(grp.group)
} else {
grp.device.DelGroupEntry(grp.group)
}
if !grp.device.isSBOperAllowed(grp.group.ForceAction) {
logger.Errorw(ctx, "Skipping Group Table Update", log.Fields{"Reason": "Device State not UP", "State": grp.device.State, "GroupID": grp.group.GroupID, "Operation": grp.group.Command})
return nil
}
groupUpdate := of.CreateGroupTableUpdate(grp.group)
if vc := grp.device.VolthaClient(); vc != nil {
//Retry on group mod failure
//Retry attempts = 3
//Delay between retry = 100ms. Total Possible Delay = 200ms
for {
logger.Infow(ctx, "Group Mod Triggered", log.Fields{"GroupId": grp.group.GroupID, "Attempt": i})
_, err = vc.UpdateLogicalDeviceFlowGroupTable(grp.ctx, groupUpdate)
if isSuccess := processGroupModResult(err); isSuccess {
break
}
i++
if i < 3 {
time.Sleep(100 * time.Millisecond)
continue
}
logger.Errorw(ctx, "Update Group Table Failed on all 3 attempts. Dropping request", log.Fields{"GroupId": grp.group.GroupID, "Bucket": grp.group.Buckets})
break
}
return err
}
logger.Error(ctx, "Update Group Flow Table Failed: Voltha Client Unavailable")
return nil
}