Files
cgrates/migrator/v1redis.go

419 lines
10 KiB
Go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
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 migrator
import (
"fmt"
"github.com/cgrates/cgrates/engine"
"github.com/cgrates/cgrates/guardian"
"github.com/cgrates/cgrates/utils"
"github.com/mediocregopher/radix.v2/pool"
"github.com/mediocregopher/radix.v2/redis"
)
type v1Redis struct {
dbPool *pool.Pool
ms engine.Marshaler
dataKeys []string
qryIdx *int
}
func newv1RedisStorage(address string, db int, pass, mrshlerStr string) (*v1Redis, error) {
df := func(network, addr string) (*redis.Client, error) {
client, err := redis.Dial(network, addr)
if err != nil {
return nil, err
}
if len(pass) != 0 {
if err = client.Cmd("AUTH", pass).Err; err != nil {
client.Close()
return nil, err
}
}
if db != 0 {
if err = client.Cmd("SELECT", db).Err; err != nil {
client.Close()
return nil, err
}
}
return client, nil
}
p, err := pool.NewCustom("tcp", address, 1, df)
if err != nil {
return nil, err
}
var mrshler engine.Marshaler
if mrshlerStr == utils.MSGPACK {
mrshler = engine.NewCodecMsgpackMarshaler()
} else if mrshlerStr == utils.JSON {
mrshler = new(engine.JSONMarshaler)
} else {
return nil, fmt.Errorf("Unsupported marshaler: %v", mrshlerStr)
}
return &v1Redis{dbPool: p, ms: mrshler}, nil
}
// This CMD function get a connection from the pool.
// Handles automatic failover in case of network disconnects
func (v1rs *v1Redis) cmd(cmd string, args ...interface{}) *redis.Resp {
c1, err := v1rs.dbPool.Get()
if err != nil {
return redis.NewResp(err)
}
result := c1.Cmd(cmd, args...)
if result.IsType(redis.IOErr) { // Failover mecaneism
utils.Logger.Warning(fmt.Sprintf("<RedisStorage> error <%s>, attempting failover.", result.Err.Error()))
c2, err := v1rs.dbPool.Get()
if err == nil {
if result2 := c2.Cmd(cmd, args...); !result2.IsType(redis.IOErr) {
v1rs.dbPool.Put(c2)
return result2
}
}
} else {
v1rs.dbPool.Put(c1)
}
return result
}
func (v1rs *v1Redis) Close() {}
func (v1rs *v1Redis) getKeysForPrefix(prefix string) ([]string, error) {
r := v1rs.cmd("KEYS", prefix+"*")
if r.Err != nil {
return nil, r.Err
}
return r.List()
}
// Adds a single load instance to load history
func (v1rs *v1Redis) AddLoadHistory(ldInst *utils.LoadInstance, loadHistSize int, transactionID string) error {
if loadHistSize == 0 { // Load history disabled
return nil
}
marshaled, err := v1rs.ms.Marshal(&ldInst)
if err != nil {
return err
}
_, err = guardian.Guardian.Guard(func() (interface{}, error) { // Make sure we do it locked since other instance can modify history while we read it
histLen, err := v1rs.cmd("LLEN", utils.LOADINST_KEY).Int()
if err != nil {
return nil, err
}
if histLen >= loadHistSize { // Have hit maximum history allowed, remove oldest element in order to add new one
if err := v1rs.cmd("RPOP", utils.LOADINST_KEY).Err; err != nil {
return nil, err
}
}
err = v1rs.cmd("LPUSH", utils.LOADINST_KEY, marshaled).Err
return nil, err
}, 0, utils.LOADINST_KEY)
return err
}
//Account methods
//get
func (v1rs *v1Redis) getv1Account() (v1Acnt *v1Account, err error) {
if v1rs.qryIdx == nil {
v1rs.dataKeys, err = v1rs.getKeysForPrefix(v1AccountDBPrefix)
if err != nil {
return
} else if len(v1rs.dataKeys) == 0 {
return nil, utils.ErrNotFound
}
v1rs.qryIdx = utils.IntPointer(0)
}
if *v1rs.qryIdx <= len(v1rs.dataKeys)-1 {
strVal, err := v1rs.cmd("GET", v1rs.dataKeys[*v1rs.qryIdx]).Bytes()
if err != nil {
return nil, err
}
v1Acnt = &v1Account{Id: v1rs.dataKeys[*v1rs.qryIdx]}
if err := v1rs.ms.Unmarshal(strVal, v1Acnt); err != nil {
return nil, err
}
*v1rs.qryIdx = *v1rs.qryIdx + 1
} else {
v1rs.qryIdx = nil
return nil, utils.ErrNoMoreData
}
return v1Acnt, nil
}
//set
func (v1rs *v1Redis) setV1Account(x *v1Account) (err error) {
key := v1AccountDBPrefix + x.Id
bit, err := v1rs.ms.Marshal(x)
if err != nil {
return err
}
if err = v1rs.cmd("SET", key, bit).Err; err != nil {
return err
}
return
}
//ActionPlans methods
//get
func (v1rs *v1Redis) getV1ActionPlans() (v1aps *v1ActionPlans, err error) {
if v1rs.qryIdx == nil {
v1rs.dataKeys, err = v1rs.getKeysForPrefix(utils.ACTION_PLAN_PREFIX)
if err != nil {
return
} else if len(v1rs.dataKeys) == 0 {
return nil, utils.ErrNotFound
}
v1rs.qryIdx = utils.IntPointer(0)
}
if *v1rs.qryIdx <= len(v1rs.dataKeys)-1 {
strVal, err := v1rs.cmd("GET", v1rs.dataKeys[*v1rs.qryIdx]).Bytes()
if err != nil {
return nil, err
}
if err := v1rs.ms.Unmarshal(strVal, &v1aps); err != nil {
return nil, err
}
*v1rs.qryIdx = *v1rs.qryIdx + 1
} else {
v1rs.qryIdx = nil
return nil, utils.ErrNoMoreData
}
return v1aps, nil
}
//set
func (v1rs *v1Redis) setV1ActionPlans(x *v1ActionPlans) (err error) {
key := utils.ACTION_PLAN_PREFIX + (*x)[0].Id
bit, err := v1rs.ms.Marshal(x)
if err != nil {
return err
}
if err = v1rs.cmd("SET", key, bit).Err; err != nil {
return err
}
return
}
//Actions methods
//get
func (v1rs *v1Redis) getV1Actions() (v1acs *v1Actions, err error) {
if v1rs.qryIdx == nil {
v1rs.dataKeys, err = v1rs.getKeysForPrefix(utils.ACTION_PREFIX)
if err != nil {
return
} else if len(v1rs.dataKeys) == 0 {
return nil, utils.ErrNotFound
}
v1rs.qryIdx = utils.IntPointer(0)
}
if *v1rs.qryIdx <= len(v1rs.dataKeys)-1 {
strVal, err := v1rs.cmd("GET", v1rs.dataKeys[*v1rs.qryIdx]).Bytes()
if err != nil {
return nil, err
}
if err := v1rs.ms.Unmarshal(strVal, &v1acs); err != nil {
return nil, err
}
*v1rs.qryIdx = *v1rs.qryIdx + 1
} else {
v1rs.qryIdx = nil
return nil, utils.ErrNoMoreData
}
return v1acs, nil
}
//set
func (v1rs *v1Redis) setV1Actions(x *v1Actions) (err error) {
key := utils.ACTION_PREFIX + (*x)[0].Id
bit, err := v1rs.ms.Marshal(x)
if err != nil {
return err
}
if err = v1rs.cmd("SET", key, bit).Err; err != nil {
return err
}
return
}
//ActionTriggers methods
//get
func (v1rs *v1Redis) getV1ActionTriggers() (v1acts *v1ActionTriggers, err error) {
if v1rs.qryIdx == nil {
v1rs.dataKeys, err = v1rs.getKeysForPrefix(utils.ACTION_TRIGGER_PREFIX)
if err != nil {
return
} else if len(v1rs.dataKeys) == 0 {
return nil, utils.ErrNotFound
}
v1rs.qryIdx = utils.IntPointer(0)
}
if *v1rs.qryIdx <= len(v1rs.dataKeys)-1 {
strVal, err := v1rs.cmd("GET", v1rs.dataKeys[*v1rs.qryIdx]).Bytes()
if err != nil {
return nil, err
}
if err := v1rs.ms.Unmarshal(strVal, &v1acts); err != nil {
return nil, err
}
*v1rs.qryIdx = *v1rs.qryIdx + 1
} else {
v1rs.qryIdx = nil
return nil, utils.ErrNoMoreData
}
return v1acts, nil
}
//set
func (v1rs *v1Redis) setV1ActionTriggers(x *v1ActionTriggers) (err error) {
key := utils.ACTION_TRIGGER_PREFIX + (*x)[0].Id
bit, err := v1rs.ms.Marshal(x)
if err != nil {
return err
}
if err = v1rs.cmd("SET", key, bit).Err; err != nil {
return err
}
return
}
//SharedGroup methods
//get
func (v1rs *v1Redis) getV1SharedGroup() (v1sg *v1SharedGroup, err error) {
if v1rs.qryIdx == nil {
v1rs.dataKeys, err = v1rs.getKeysForPrefix(utils.SHARED_GROUP_PREFIX)
if err != nil {
return
} else if len(v1rs.dataKeys) == 0 {
return nil, utils.ErrNotFound
}
v1rs.qryIdx = utils.IntPointer(0)
}
if *v1rs.qryIdx <= len(v1rs.dataKeys)-1 {
strVal, err := v1rs.cmd("GET", v1rs.dataKeys[*v1rs.qryIdx]).Bytes()
if err != nil {
return nil, err
}
if err := v1rs.ms.Unmarshal(strVal, &v1sg); err != nil {
return nil, err
}
*v1rs.qryIdx = *v1rs.qryIdx + 1
} else {
v1rs.qryIdx = nil
return nil, utils.ErrNoMoreData
}
return v1sg, nil
}
//set
func (v1rs *v1Redis) setV1SharedGroup(x *v1SharedGroup) (err error) {
key := utils.SHARED_GROUP_PREFIX + x.Id
bit, err := v1rs.ms.Marshal(x)
if err != nil {
return err
}
if err = v1rs.cmd("SET", key, bit).Err; err != nil {
return err
}
return
}
//Stats methods
//get
func (v1rs *v1Redis) getV1Stats() (v1st *v1Stat, err error) {
if v1rs.qryIdx == nil {
v1rs.dataKeys, err = v1rs.getKeysForPrefix(utils.CDR_STATS_PREFIX)
if err != nil {
return
} else if len(v1rs.dataKeys) == 0 {
return nil, utils.ErrNotFound
}
v1rs.qryIdx = utils.IntPointer(0)
}
if *v1rs.qryIdx <= len(v1rs.dataKeys)-1 {
strVal, err := v1rs.cmd("GET", v1rs.dataKeys[*v1rs.qryIdx]).Bytes()
if err != nil {
return nil, err
}
if err := v1rs.ms.Unmarshal(strVal, &v1st); err != nil {
return nil, err
}
*v1rs.qryIdx = *v1rs.qryIdx + 1
} else {
v1rs.qryIdx = nil
return nil, utils.ErrNoMoreData
}
return v1st, nil
}
//set
func (v1rs *v1Redis) setV1Stats(x *v1Stat) (err error) {
key := utils.CDR_STATS_PREFIX + x.Id
bit, err := v1rs.ms.Marshal(x)
if err != nil {
return err
}
if err = v1rs.cmd("SET", key, bit).Err; err != nil {
return err
}
return
}
//Action methods
//get
func (v1rs *v1Redis) getV2ActionTrigger() (v2at *v2ActionTrigger, err error) {
if v1rs.qryIdx == nil {
v1rs.dataKeys, err = v1rs.getKeysForPrefix(utils.ACTION_TRIGGER_PREFIX)
if err != nil {
return
} else if len(v1rs.dataKeys) == 0 {
return nil, utils.ErrNotFound
}
v1rs.qryIdx = utils.IntPointer(0)
}
if *v1rs.qryIdx <= len(v1rs.dataKeys)-1 {
strVal, err := v1rs.cmd("GET", v1rs.dataKeys[*v1rs.qryIdx]).Bytes()
if err != nil {
return nil, err
}
if err := v1rs.ms.Unmarshal(strVal, &v2at); err != nil {
return nil, err
}
*v1rs.qryIdx = *v1rs.qryIdx + 1
} else {
v1rs.qryIdx = nil
return nil, utils.ErrNoMoreData
}
return v2at, nil
}
//set
func (v1rs *v1Redis) setV2ActionTrigger(x *v2ActionTrigger) (err error) {
key := utils.ACTION_TRIGGER_PREFIX + x.ID
bit, err := v1rs.ms.Marshal(x)
if err != nil {
return err
}
if err = v1rs.cmd("SET", key, bit).Err; err != nil {
return err
}
return
}