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https://github.com/cgrates/cgrates.git
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318 lines
12 KiB
Go
318 lines
12 KiB
Go
/*
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Rating system designed to be used in VoIP Carriers World
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Copyright (C) 2012-2015 ITsysCOM
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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 sessionmanager
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import (
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"fmt"
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"strconv"
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"strings"
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"time"
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"github.com/cgrates/cgrates/config"
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"github.com/cgrates/cgrates/engine"
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"github.com/cgrates/cgrates/utils"
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"github.com/cgrates/fsock"
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)
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// ToDo: Introduce support for RSRFields
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// Event type holding a mapping of all event's proprieties
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type FSEvent map[string]string
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const (
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// Freswitch event proprities names
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DIRECTION = "Call-Direction"
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SUBJECT = "variable_cgr_subject"
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ACCOUNT = "variable_cgr_account"
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DESTINATION = "variable_cgr_destination"
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REQTYPE = "variable_cgr_reqtype" //prepaid or postpaid
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Category = "variable_cgr_category"
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UUID = "Unique-ID" // -Unique ID for this call leg
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CSTMID = "variable_cgr_tenant"
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CALL_DEST_NR = "Caller-Destination-Number"
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SIP_REQ_USER = "variable_sip_req_user"
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PARK_TIME = "Caller-Profile-Created-Time"
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SETUP_TIME = "Caller-Channel-Created-Time"
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ANSWER_TIME = "Caller-Channel-Answered-Time"
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END_TIME = "Caller-Channel-Hangup-Time"
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DURATION = "variable_billsec"
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NAME = "Event-Name"
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HEARTBEAT = "HEARTBEAT"
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ANSWER = "CHANNEL_ANSWER"
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HANGUP = "CHANNEL_HANGUP_COMPLETE"
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PARK = "CHANNEL_PARK"
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AUTH_OK = "+AUTH_OK"
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DISCONNECT = "+SWITCH DISCONNECT"
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INSUFFICIENT_FUNDS = "-INSUFFICIENT_FUNDS"
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MISSING_PARAMETER = "-MISSING_PARAMETER"
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SYSTEM_ERROR = "-SYSTEM_ERROR"
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MANAGER_REQUEST = "+MANAGER_REQUEST"
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USERNAME = "Caller-Username"
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FS_IPv4 = "FreeSWITCH-IPv4"
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)
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// Nice printing for the event object.
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func (fsev FSEvent) String() (result string) {
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for k, v := range fsev {
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result += fmt.Sprintf("%s = %s\n", k, v)
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}
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result += "=============================================================="
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return
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}
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// Loads the new event data from a body of text containing the key value proprieties.
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// It stores the parsed proprieties in the internal map.
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func (fsev FSEvent) AsEvent(body string) engine.Event {
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fsev = fsock.FSEventStrToMap(body, nil)
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return fsev
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}
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func (fsev FSEvent) GetName() string {
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return fsev[NAME]
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}
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func (fsev FSEvent) GetDirection(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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}
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//TODO: implement direction
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return utils.OUT
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}
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func (fsev FSEvent) GetSubject(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return utils.FirstNonEmpty(fsev[SUBJECT], fsev[USERNAME])
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[SUBJECT], fsev[USERNAME])
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}
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func (fsev FSEvent) GetAccount(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return utils.FirstNonEmpty(fsev[ACCOUNT], fsev[USERNAME])
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[ACCOUNT], fsev[USERNAME])
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}
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// Charging destination number
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func (fsev FSEvent) GetDestination(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return utils.FirstNonEmpty(fsev[DESTINATION], fsev[CALL_DEST_NR], fsev[SIP_REQ_USER])
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[DESTINATION], fsev[CALL_DEST_NR], fsev[SIP_REQ_USER])
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}
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// Original dialed destination number, useful in case of unpark
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func (fsev FSEvent) GetCallDestNr(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return utils.FirstNonEmpty(fsev[CALL_DEST_NR], fsev[SIP_REQ_USER])
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[CALL_DEST_NR], fsev[SIP_REQ_USER])
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}
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func (fsev FSEvent) GetCategory(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return utils.FirstNonEmpty(fsev[Category], config.CgrConfig().DefaultCategory)
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[Category], config.CgrConfig().DefaultCategory)
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}
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func (fsev FSEvent) GetCgrId() string {
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setupTime, _ := fsev.GetSetupTime(utils.META_DEFAULT)
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return utils.Sha1(fsev[UUID], setupTime.UTC().String())
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}
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func (fsev FSEvent) GetUUID() string {
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return fsev[UUID]
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}
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func (fsev FSEvent) GetSessionIds() []string {
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return []string{fsev.GetUUID()}
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}
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func (fsev FSEvent) GetTenant(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return utils.FirstNonEmpty(fsev[CSTMID], config.CgrConfig().DefaultTenant)
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[CSTMID], config.CgrConfig().DefaultTenant)
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}
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func (fsev FSEvent) GetReqType(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return utils.FirstNonEmpty(fsev[REQTYPE], config.CgrConfig().DefaultReqType)
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[REQTYPE], config.CgrConfig().DefaultReqType)
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}
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func (fsev FSEvent) MissingParameter() bool {
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return strings.TrimSpace(fsev.GetDirection(utils.META_DEFAULT)) == "" ||
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strings.TrimSpace(fsev.GetSubject(utils.META_DEFAULT)) == "" ||
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strings.TrimSpace(fsev.GetAccount(utils.META_DEFAULT)) == "" ||
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strings.TrimSpace(fsev.GetDestination(utils.META_DEFAULT)) == "" ||
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strings.TrimSpace(fsev.GetCategory(utils.META_DEFAULT)) == "" ||
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strings.TrimSpace(fsev.GetUUID()) == "" ||
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strings.TrimSpace(fsev.GetTenant(utils.META_DEFAULT)) == "" ||
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strings.TrimSpace(fsev.GetCallDestNr(utils.META_DEFAULT)) == ""
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}
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func (fsev FSEvent) GetSetupTime(fieldName string) (t time.Time, err error) {
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fsSTimeStr, hasKey := fsev[SETUP_TIME]
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if hasKey && fsSTimeStr != "0" {
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// Discard the nanoseconds information since MySQL cannot store them in early versions and csv uses default seconds so cgrid will not corelate
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fsSTimeStr = fsSTimeStr[:len(fsSTimeStr)-6]
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}
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sTimeStr := utils.FirstNonEmpty(fsev[fieldName], fsSTimeStr)
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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sTimeStr = fieldName[len(utils.STATIC_VALUE_PREFIX):]
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}
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return utils.ParseTimeDetectLayout(sTimeStr)
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}
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func (fsev FSEvent) GetAnswerTime(fieldName string) (t time.Time, err error) {
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fsATimeStr, hasKey := fsev[ANSWER_TIME]
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if hasKey && fsATimeStr != "0" {
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// Discard the nanoseconds information since MySQL cannot store them in early versions and csv uses default seconds so cgrid will not corelate
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fsATimeStr = fsATimeStr[:len(fsATimeStr)-6]
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}
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aTimeStr := utils.FirstNonEmpty(fsev[fieldName], fsATimeStr)
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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aTimeStr = fieldName[len(utils.STATIC_VALUE_PREFIX):]
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}
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return utils.ParseTimeDetectLayout(aTimeStr)
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}
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func (fsev FSEvent) GetEndTime() (t time.Time, err error) {
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return utils.ParseTimeDetectLayout(fsev[END_TIME])
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}
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func (fsev FSEvent) GetDuration(fieldName string) (dur time.Duration, err error) {
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durStr := utils.FirstNonEmpty(fsev[fieldName], fsev[DURATION])
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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durStr = fieldName[len(utils.STATIC_VALUE_PREFIX):]
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}
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return utils.ParseDurationWithSecs(durStr)
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}
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func (fsev FSEvent) GetOriginatorIP(fieldName string) string {
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if strings.HasPrefix(fieldName, utils.STATIC_VALUE_PREFIX) { // Static value
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return fieldName[len(utils.STATIC_VALUE_PREFIX):]
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} else if fieldName == utils.META_DEFAULT {
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return fsev[FS_IPv4]
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}
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return utils.FirstNonEmpty(fsev[fieldName], fsev[FS_IPv4])
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}
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func (fsev FSEvent) GetExtraFields() map[string]string {
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extraFields := make(map[string]string)
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for _, fldRule := range config.CgrConfig().SmFsConfig.CdrExtraFields {
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extraFields[fldRule.Id] = fsev.ParseEventValue(fldRule)
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}
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return extraFields
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}
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// Used in derived charging and sittuations when we need to run regexp on fields
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func (fsev FSEvent) ParseEventValue(rsrFld *utils.RSRField) string {
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switch rsrFld.Id {
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case utils.CGRID:
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return rsrFld.ParseValue(fsev.GetCgrId())
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case utils.TOR:
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return rsrFld.ParseValue(utils.VOICE)
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case utils.ACCID:
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return rsrFld.ParseValue(fsev.GetUUID())
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case utils.CDRHOST:
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return rsrFld.ParseValue(fsev["FreeSWITCH-IPv4"])
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case utils.CDRSOURCE:
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return rsrFld.ParseValue("FS_EVENT")
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case utils.REQTYPE:
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return rsrFld.ParseValue(fsev.GetReqType(""))
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case utils.DIRECTION:
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return rsrFld.ParseValue(fsev.GetDirection(""))
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case utils.TENANT:
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return rsrFld.ParseValue(fsev.GetTenant(""))
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case utils.CATEGORY:
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return rsrFld.ParseValue(fsev.GetCategory(""))
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case utils.ACCOUNT:
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return rsrFld.ParseValue(fsev.GetAccount(""))
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case utils.SUBJECT:
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return rsrFld.ParseValue(fsev.GetSubject(""))
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case utils.DESTINATION:
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return rsrFld.ParseValue(fsev.GetDestination(""))
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case utils.SETUP_TIME:
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st, _ := fsev.GetSetupTime("")
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return rsrFld.ParseValue(st.String())
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case utils.ANSWER_TIME:
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at, _ := fsev.GetAnswerTime("")
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return rsrFld.ParseValue(at.String())
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case utils.USAGE:
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dur, _ := fsev.GetDuration("")
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return rsrFld.ParseValue(strconv.FormatInt(dur.Nanoseconds(), 10))
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case utils.MEDI_RUNID:
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return rsrFld.ParseValue(utils.DEFAULT_RUNID)
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case utils.COST:
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return rsrFld.ParseValue(strconv.FormatFloat(-1, 'f', -1, 64)) // Recommended to use FormatCost
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default:
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return rsrFld.ParseValue(fsev[rsrFld.Id])
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}
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}
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func (fsev FSEvent) PassesFieldFilter(fieldFilter *utils.RSRField) (bool, string) {
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// Keep in sync (or merge) with StoredCdr.PassesFieldFielter()
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if fieldFilter == nil {
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return true, ""
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}
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if fieldFilter.IsStatic() && fsev.ParseEventValue(&utils.RSRField{Id: fieldFilter.Id}) == fsev.ParseEventValue(fieldFilter) {
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return true, fsev.ParseEventValue(&utils.RSRField{Id: fieldFilter.Id})
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}
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preparedFilter := &utils.RSRField{Id: fieldFilter.Id, RSRules: make([]*utils.ReSearchReplace, len(fieldFilter.RSRules))} // Reset rules so they do not point towards same structures as original fieldFilter
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for idx := range fieldFilter.RSRules {
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// Hardcode the template with maximum of 5 groups ordered
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preparedFilter.RSRules[idx] = &utils.ReSearchReplace{SearchRegexp: fieldFilter.RSRules[idx].SearchRegexp, ReplaceTemplate: utils.FILTER_REGEXP_TPL}
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}
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preparedVal := fsev.ParseEventValue(preparedFilter)
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filteredValue := fsev.ParseEventValue(fieldFilter)
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if preparedFilter.RegexpMatched() && (len(preparedVal) == 0 || preparedVal == filteredValue) {
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return true, filteredValue
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}
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return false, ""
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}
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func (fsev FSEvent) AsStoredCdr() *engine.StoredCdr {
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storCdr := new(engine.StoredCdr)
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storCdr.CgrId = fsev.GetCgrId()
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storCdr.TOR = utils.VOICE
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storCdr.AccId = fsev.GetUUID()
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storCdr.CdrHost = fsev.GetOriginatorIP(utils.META_DEFAULT)
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storCdr.CdrSource = "FS_" + fsev.GetName()
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storCdr.ReqType = fsev.GetReqType(utils.META_DEFAULT)
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storCdr.Direction = fsev.GetDirection(utils.META_DEFAULT)
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storCdr.Tenant = fsev.GetTenant(utils.META_DEFAULT)
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storCdr.Category = fsev.GetCategory(utils.META_DEFAULT)
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storCdr.Account = fsev.GetAccount(utils.META_DEFAULT)
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storCdr.Subject = fsev.GetSubject(utils.META_DEFAULT)
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storCdr.Destination = fsev.GetDestination(utils.META_DEFAULT)
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storCdr.SetupTime, _ = fsev.GetSetupTime(utils.META_DEFAULT)
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storCdr.AnswerTime, _ = fsev.GetAnswerTime(utils.META_DEFAULT)
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storCdr.Usage, _ = fsev.GetDuration(utils.META_DEFAULT)
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storCdr.ExtraFields = fsev.GetExtraFields()
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storCdr.Cost = -1
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return storCdr
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}
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