/
subscriptionproperties.go
130 lines (124 loc) · 4.3 KB
/
subscriptionproperties.go
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// MIT License
//
// Copyright (c) 2021-2022 Bosch Rexroth AG
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package datalayer
import (
"encoding/json"
fbs "github.com/boschrexroth/ctrlx-datalayer-golang/pkg/fbs/comm/datalayer"
)
// SubscriptionProperties struct
type SubscriptionProperties struct {
Id string
KeepaliveInterval uint32
PublishInterval uint32
ErrorInterval uint32
SamplingInterval uint64
QueueSize uint32
QueueBehaviour fbs.QueueBehaviour
DeadBandValue float32
DataChangeTrigger fbs.DataChangeTrigger
BrowseListChange bool
MetaDataChange bool
CountingSubscriptions bool
}
// DefaultSubscriptionProperties returns all default subscription properties.
func DefaultSubscriptionProperties() SubscriptionProperties {
return SubscriptionProperties{
Id: "",
KeepaliveInterval: 60000,
PublishInterval: 1000,
ErrorInterval: 10000,
SamplingInterval: 1000000,
QueueSize: 10,
QueueBehaviour: fbs.QueueBehaviourDiscardOldest,
DeadBandValue: 0,
DataChangeTrigger: fbs.DataChangeTriggerStatusValue,
BrowseListChange: false,
MetaDataChange: false,
CountingSubscriptions: false,
}
}
// BuildJson constructs the Json file with default subscription properties.
// It returns the encoded JSON.
func (s SubscriptionProperties) BuildJson() ([]byte, error) {
d := DefaultSubscriptionProperties()
v := map[string]interface{}{
"id": s.Id,
"keepaliveInterval": s.KeepaliveInterval,
"publishInterval": s.PublishInterval,
"errorInterval": s.ErrorInterval,
}
v["rules"] = make([]interface{}, 0)
if s.QueueSize != d.QueueSize ||
s.QueueBehaviour != d.QueueBehaviour {
p := make(map[string]interface{})
p["rule_type"] = "Queueing"
r := make(map[string]interface{})
p["rule"] = r
r["queueSize"] = s.QueueSize
r["behaviour"] = s.QueueBehaviour
rs := v["rules"].([]interface{})
rs = append(rs, p)
v["rules"] = rs
}
if s.DeadBandValue != d.DeadBandValue {
p := make(map[string]interface{})
p["rule_type"] = "DataChangeFilter"
r := make(map[string]interface{})
p["rule"] = r
r["deadBandValue"] = s.DeadBandValue
rs := v["rules"].([]interface{})
rs = append(rs, p)
v["rules"] = rs
}
if s.DataChangeTrigger != d.DataChangeTrigger ||
s.BrowseListChange != d.BrowseListChange ||
s.MetaDataChange != d.MetaDataChange {
p := make(map[string]interface{})
p["rule_type"] = "ChangeEvents"
r := make(map[string]interface{})
p["rule"] = r
switch s.DataChangeTrigger {
case fbs.DataChangeTriggerStatus:
r["valueChange"] = "Status"
case fbs.DataChangeTriggerStatusValue:
r["valueChange"] = "StatusValue"
case fbs.DataChangeTriggerStatusValueTimestamp:
r["valueChange"] = "StatusValueTimestamp"
}
r["browselistChange"] = s.BrowseListChange
r["metadataChange"] = s.MetaDataChange
rs := v["rules"].([]interface{})
rs = append(rs, p)
v["rules"] = rs
}
if s.CountingSubscriptions != d.CountingSubscriptions {
p := make(map[string]interface{})
p["rule_type"] = "Counting"
r := make(map[string]interface{})
p["rule"] = r
r["countSubscriptions"] = s.CountingSubscriptions
rs := v["rules"].([]interface{})
rs = append(rs, p)
v["rules"] = rs
}
return json.Marshal(v)
}