mirror of
https://github.com/cgrates/cgrates.git
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339 lines
11 KiB
Go
339 lines
11 KiB
Go
/*
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Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
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Copyright (C) ITsysCOM GmbH
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package agents
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import (
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"fmt"
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"strings"
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"github.com/cgrates/cgrates/config"
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"github.com/cgrates/cgrates/sessions"
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"github.com/cgrates/cgrates/utils"
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)
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func NewSMAsteriskEvent(ariEv map[string]interface{}, asteriskIP string) *SMAsteriskEvent {
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smsmaEv := &SMAsteriskEvent{ariEv: ariEv, asteriskIP: asteriskIP, cachedFields: make(map[string]string)}
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smsmaEv.parseStasisArgs() // Populate appArgs
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return smsmaEv
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}
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type SMAsteriskEvent struct { // Standalone struct so we can cache the fields while we parse them
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ariEv map[string]interface{} // stasis event
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asteriskIP string
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cachedFields map[string]string // Cache replies here
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}
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// parseStasisArgs will convert the args passed to Stasis into CGRateS attribute/value pairs understood by CGRateS and store them in cachedFields
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// args need to be in the form of []string{"key=value", "key2=value2"}
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func (smaEv *SMAsteriskEvent) parseStasisArgs() {
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args, _ := smaEv.ariEv["args"].([]interface{})
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for _, arg := range args {
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if splt := strings.Split(arg.(string), "="); len(splt) > 1 {
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smaEv.cachedFields[splt[0]] = splt[1]
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}
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}
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}
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func (smaEv *SMAsteriskEvent) OriginatorIP() string {
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return smaEv.asteriskIP
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}
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func (smaEv *SMAsteriskEvent) EventType() string {
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cachedKey := eventType
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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cachedVal, _ = smaEv.ariEv["type"].(string)
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smaEv.cachedFields[cachedKey] = cachedVal
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) ChannelID() string {
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cachedKey := channelID
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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channelData, _ := smaEv.ariEv["channel"].(map[string]interface{})
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cachedVal, _ = channelData["id"].(string)
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smaEv.cachedFields[cachedKey] = cachedVal
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) Timestamp() string {
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cachedKey := timestamp
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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cachedVal, _ = smaEv.ariEv["timestamp"].(string)
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smaEv.cachedFields[cachedKey] = cachedVal
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) ChannelState() string {
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cachedKey := channelState
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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channelData, _ := smaEv.ariEv["channel"].(map[string]interface{})
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cachedVal, _ = channelData["state"].(string)
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) SetupTime() string {
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cachedKey := utils.SetupTime
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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channelData, _ := smaEv.ariEv["channel"].(map[string]interface{})
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cachedVal, _ = channelData["creationtime"].(string)
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smaEv.cachedFields[cachedKey] = cachedVal
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) Account() string {
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cachedKey := utils.CGR_ACCOUNT
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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channelData, _ := smaEv.ariEv["channel"].(map[string]interface{})
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callerData, _ := channelData["caller"].(map[string]interface{})
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cachedVal, _ = callerData["number"].(string)
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smaEv.cachedFields[cachedKey] = cachedVal
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) Destination() string {
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cachedKey := utils.CGR_DESTINATION
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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channelData, _ := smaEv.ariEv["channel"].(map[string]interface{})
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dialplanData, _ := channelData["dialplan"].(map[string]interface{})
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cachedVal, _ = dialplanData["exten"].(string)
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smaEv.cachedFields[cachedKey] = cachedVal
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) RequestType() string {
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return smaEv.cachedFields[utils.CGR_REQTYPE]
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}
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func (smaEv *SMAsteriskEvent) Tenant() string {
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return smaEv.cachedFields[utils.CGR_TENANT]
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}
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func (smaEv *SMAsteriskEvent) Category() string {
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return smaEv.cachedFields[utils.CGR_CATEGORY]
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}
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func (smaEv *SMAsteriskEvent) Subject() string {
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return smaEv.cachedFields[utils.CGR_SUBJECT]
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}
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func (smaEv *SMAsteriskEvent) PDD() string {
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return smaEv.cachedFields[utils.CGR_PDD]
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}
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func (smaEv *SMAsteriskEvent) Supplier() string {
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return smaEv.cachedFields[utils.CGR_SUPPLIER]
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}
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func (smaEv *SMAsteriskEvent) Subsystems() string {
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return smaEv.cachedFields[utils.CGRSubsystems]
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}
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func (smaEv *SMAsteriskEvent) DisconnectCause() string {
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cachedKey := utils.CGR_DISCONNECT_CAUSE
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cachedVal, hasIt := smaEv.cachedFields[cachedKey]
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if !hasIt {
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cachedVal, _ = smaEv.ariEv["cause_txt"].(string)
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smaEv.cachedFields[cachedKey] = cachedVal
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}
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return cachedVal
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}
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func (smaEv *SMAsteriskEvent) ExtraParameters() (extraParams map[string]string) {
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extraParams = make(map[string]string)
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primaryFields := []string{eventType, channelID, timestamp, utils.SetupTime, utils.CGR_ACCOUNT, utils.CGR_DESTINATION, utils.CGR_REQTYPE,
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utils.CGR_TENANT, utils.CGR_CATEGORY, utils.CGR_SUBJECT, utils.CGR_PDD, utils.CGR_SUPPLIER, utils.CGR_DISCONNECT_CAUSE}
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for cachedKey, cachedVal := range smaEv.cachedFields {
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if !utils.IsSliceMember(primaryFields, cachedKey) {
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extraParams[cachedKey] = cachedVal
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}
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}
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return
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}
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func (smaEv *SMAsteriskEvent) UpdateCGREvent(cgrEv *utils.CGREvent) error {
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resCGREv := *cgrEv
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switch smaEv.EventType() {
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case ARIChannelStateChange:
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resCGREv.Event[utils.EVENT_NAME] = SMASessionStart
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resCGREv.Event[utils.AnswerTime] = smaEv.Timestamp()
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case ARIChannelDestroyed:
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resCGREv.Event[utils.EVENT_NAME] = SMASessionTerminate
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resCGREv.Event[utils.DISCONNECT_CAUSE] = smaEv.DisconnectCause()
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if _, hasIt := resCGREv.Event[utils.AnswerTime]; !hasIt {
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resCGREv.Event[utils.Usage] = "0s"
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} else {
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if aTime, err := utils.IfaceAsTime(resCGREv.Event[utils.AnswerTime],
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config.CgrConfig().GeneralCfg().DefaultTimezone); err != nil {
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return err
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} else if aTime.IsZero() {
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resCGREv.Event[utils.Usage] = "0s"
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} else {
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actualTime, err := utils.ParseTimeDetectLayout(smaEv.Timestamp(), "")
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if err != nil {
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return err
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}
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resCGREv.Event[utils.Usage] = actualTime.Sub(aTime).String()
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}
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}
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}
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*cgrEv = resCGREv
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return nil
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}
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func (smaEv *SMAsteriskEvent) AsMapStringInterface() (mp map[string]interface{}) {
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mp = make(map[string]interface{})
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var evName string
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switch smaEv.EventType() {
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case ARIStasisStart:
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evName = SMAAuthorization
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case ARIChannelStateChange:
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evName = SMASessionStart
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case ARIChannelDestroyed:
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evName = SMASessionTerminate
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}
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mp[utils.EVENT_NAME] = evName
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mp[utils.OriginID] = smaEv.ChannelID()
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if smaEv.RequestType() != "" {
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mp[utils.RequestType] = smaEv.RequestType()
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}
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if smaEv.Tenant() != "" {
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mp[utils.Tenant] = smaEv.Tenant()
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}
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if smaEv.Category() != "" {
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mp[utils.Category] = smaEv.Category()
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}
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if smaEv.Subject() != "" {
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mp[utils.Subject] = smaEv.Subject()
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}
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mp[utils.OriginHost] = smaEv.OriginatorIP()
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mp[utils.Account] = smaEv.Account()
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mp[utils.Destination] = smaEv.Destination()
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mp[utils.SetupTime] = smaEv.SetupTime()
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if smaEv.Supplier() != "" {
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mp[utils.SUPPLIER] = smaEv.Supplier()
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}
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for extraKey, extraVal := range smaEv.ExtraParameters() { // Append extraParameters
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mp[extraKey] = extraVal
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}
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mp[utils.Source] = utils.AsteriskAgent
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return
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}
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// AsCDR converts AsteriskEvent into CGREvent
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func (smaEv *SMAsteriskEvent) AsCGREvent(timezone string) (cgrEv *utils.CGREvent, err error) {
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setupTime, err := utils.ParseTimeDetectLayout(
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smaEv.Timestamp(), timezone)
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if err != nil {
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return
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}
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cgrEv = &utils.CGREvent{
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Tenant: utils.FirstNonEmpty(smaEv.Tenant(),
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config.CgrConfig().GeneralCfg().DefaultTenant),
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ID: utils.UUIDSha1Prefix(),
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Time: &setupTime,
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Event: smaEv.AsMapStringInterface(),
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}
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return cgrEv, nil
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}
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func (smaEv *SMAsteriskEvent) V1AuthorizeArgs() (args *sessions.V1AuthorizeArgs) {
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cgrEv, err := smaEv.AsCGREvent(config.CgrConfig().GeneralCfg().DefaultTimezone)
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if err != nil {
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return
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}
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args = &sessions.V1AuthorizeArgs{
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GetMaxUsage: true,
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CGREvent: *cgrEv,
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}
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if smaEv.Subsystems() == utils.EmptyString {
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utils.Logger.Err(fmt.Sprintf("<%s> cgr_subsystems variable is not set",
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utils.AsteriskAgent))
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return
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}
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args.GetMaxUsage = strings.Index(smaEv.Subsystems(), utils.MetaAccounts) != -1
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args.AuthorizeResources = strings.Index(smaEv.Subsystems(), utils.MetaResources) != -1
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args.GetSuppliers = strings.Index(smaEv.Subsystems(), utils.MetaSuppliers) != -1
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args.SuppliersIgnoreErrors = strings.Index(smaEv.Subsystems(), utils.MetaSuppliersIgnoreErrors) != -1
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if strings.Index(smaEv.Subsystems(), utils.MetaSuppliersEventCost) != -1 {
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args.SuppliersMaxCost = utils.MetaEventCost
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}
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args.GetAttributes = strings.Index(smaEv.Subsystems(), utils.MetaAttributes) != -1
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args.ProcessThresholds = strings.Index(smaEv.Subsystems(), utils.MetaThresholds) != -1
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args.ProcessStats = strings.Index(smaEv.Subsystems(), utils.MetaStats) != -1
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args.ArgDispatcher = cgrEv.ConsumeArgDispatcher()
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if strings.Index(smaEv.Subsystems(), utils.MetaDispatchers) != -1 && args.ArgDispatcher == nil {
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args.ArgDispatcher = new(utils.ArgDispatcher)
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}
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return
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}
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func (smaEv *SMAsteriskEvent) V1InitSessionArgs(cgrEvDisp utils.CGREventWithArgDispatcher) (args *sessions.V1InitSessionArgs) {
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args = &sessions.V1InitSessionArgs{ // defaults
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InitSession: true,
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CGREvent: *cgrEvDisp.CGREvent,
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}
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subsystems, err := cgrEvDisp.CGREvent.FieldAsString(utils.CGRSubsystems)
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if err != nil {
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utils.Logger.Err(fmt.Sprintf("<%s> event: %s don't have cgr_subsystems variable",
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utils.AsteriskAgent, utils.ToJSON(cgrEvDisp.CGREvent)))
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return
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}
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args.InitSession = strings.Index(subsystems, utils.MetaAccounts) != -1
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args.AllocateResources = strings.Index(subsystems, utils.MetaResources) != -1
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args.GetAttributes = strings.Index(subsystems, utils.MetaAttributes) != -1
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args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
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args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
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args.ArgDispatcher = cgrEvDisp.ArgDispatcher
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return
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}
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func (smaEv *SMAsteriskEvent) V1TerminateSessionArgs(cgrEvDisp utils.CGREventWithArgDispatcher) (args *sessions.V1TerminateSessionArgs) {
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args = &sessions.V1TerminateSessionArgs{ // defaults
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TerminateSession: true,
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CGREvent: *cgrEvDisp.CGREvent,
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}
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subsystems, err := cgrEvDisp.CGREvent.FieldAsString(utils.CGRSubsystems)
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if err != nil {
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utils.Logger.Err(fmt.Sprintf("<%s> event: %s don't have cgr_subsystems variable",
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utils.AsteriskAgent, utils.ToJSON(cgrEvDisp.CGREvent)))
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return
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}
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args.TerminateSession = strings.Index(subsystems, utils.MetaAccounts) != -1
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args.ReleaseResources = strings.Index(subsystems, utils.MetaResources) != -1
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args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
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args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
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args.ArgDispatcher = cgrEvDisp.ArgDispatcher
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return
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}
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