Files
cgrates/engine/stats.go
2014-08-01 18:57:04 +03:00

148 lines
3.4 KiB
Go

/*
Rating system designed to be used in VoIP Carriers World
Copyright (C) 2013 ITsysCOM
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package engine
import (
"errors"
"fmt"
"net/rpc"
"sync"
"github.com/cgrates/cgrates/utils"
)
type StatsInterface interface {
AddQueue(*CdrStats, *int) error
GetValues(string, *map[string]float64) error
GetQueueIds(int, *[]string) error
AppendCDR(*utils.StoredCdr, *int) error
}
type Stats struct {
queues map[string]*StatsQueue
mux sync.RWMutex
}
func NewStats(ratingDb RatingStorage) *Stats {
cdrStats := &Stats{}
if css, err := ratingDb.GetAllCdrStats(); err == nil {
cdrStats.UpdateQueues(css, nil)
} else {
Logger.Err(fmt.Sprintf("Cannot load cdr stats: %v", err))
}
return cdrStats
}
func (s *Stats) AddQueue(cs *CdrStats, out *int) error {
s.mux.Lock()
defer s.mux.Unlock()
if s.queues == nil {
s.queues = make(map[string]*StatsQueue)
}
if sq, exists := s.queues[cs.Id]; exists {
sq.UpdateConf(cs)
} else {
s.queues[cs.Id] = NewStatsQueue(cs)
}
return nil
}
func (s *Stats) GetQueueIds(in int, ids *[]string) error {
s.mux.Lock()
defer s.mux.Unlock()
var result []string
for id, _ := range s.queues {
result = append(result, id)
}
*ids = result
return nil
}
func (s *Stats) GetValues(sqID string, values *map[string]float64) error {
s.mux.RLock()
defer s.mux.RUnlock()
if sq, ok := s.queues[sqID]; ok {
*values = sq.GetStats()
return nil
}
return errors.New("Not Found")
}
// change the xisting ones
// add new ones
// delete the ones missing from the new list
func (s *Stats) UpdateQueues(css []*CdrStats, out *int) error {
s.mux.Lock()
defer s.mux.Unlock()
oldQueues := s.queues
s.queues = make(map[string]*StatsQueue, len(css))
for _, cs := range css {
var sq *StatsQueue
var existing bool
if oldQueues != nil {
if sq, existing = oldQueues[cs.Id]; existing {
sq.conf = cs
}
}
if sq == nil {
sq = NewStatsQueue(cs)
}
s.queues[cs.Id] = sq
}
return nil
}
func (s *Stats) AppendCDR(cdr *utils.StoredCdr, out *int) error {
s.mux.RLock()
defer s.mux.RUnlock()
for _, sq := range s.queues {
sq.AppendCDR(cdr)
}
return nil
}
type ProxyStats struct {
Client *rpc.Client
}
func NewProxyStats(addr string) (*ProxyStats, error) {
client, err := rpc.Dial("tcp", addr)
if err != nil {
return nil, err
}
return &ProxyStats{Client: client}, nil
}
func (ps *ProxyStats) AddQueue(cs *CdrStats, out *int) error {
return ps.Client.Call("Stats.AddQueue", cs, out)
}
func (ps *ProxyStats) GetValues(sqID string, values *map[string]float64) error {
return ps.Client.Call("Stats.GetValues", sqID, values)
}
func (ps *ProxyStats) AppendCDR(cdr *utils.StoredCdr, out *int) error {
return ps.Client.Call("Stats.AppendCDR", cdr, out)
}
func (ps *ProxyStats) GetQueueIds(in int, ids *[]string) error {
return ps.Client.Call("Stats.GetQueueIds", in, ids)
}