From 555b723a93ca31007affe891f69757154ec239e0 Mon Sep 17 00:00:00 2001
From: Radu Ioan Fericean <radu@fericean.ro>
Date: Tue, 4 Aug 2015 19:14:58 +0300
Subject: [PATCH] started aliases structures

---
 engine/aliases.go | 174 ++++++++++++++++++++++++++++++++++++++++++++++
 engine/users.go   |   2 -
 utils/consts.go   |   2 +
 3 files changed, 176 insertions(+), 2 deletions(-)
 create mode 100644 engine/aliases.go

diff --git a/engine/aliases.go b/engine/aliases.go
new file mode 100644
index 000000000..4b67f81f2
--- /dev/null
+++ b/engine/aliases.go
@@ -0,0 +1,174 @@
+package engine
+
+import (
+	"sort"
+	"strings"
+	"sync"
+
+	"github.com/cgrates/cgrates/utils"
+	"github.com/cgrates/rpcclient"
+)
+
+type Alias struct {
+	Direction     string
+	Tenant        string
+	Category      string
+	Account       string
+	Subject       string
+	DestinationId string
+	Group         string
+	Alias         string
+	Weight        float64
+}
+
+type Aliases []*Alias
+
+func (ups Aliases) Len() int {
+	return len(ups)
+}
+
+func (ups Aliases) Swap(i, j int) {
+	ups[i], ups[j] = ups[j], ups[i]
+}
+
+func (ups Aliases) Less(j, i int) bool { // get higher ponder in front
+	return ups[i].ponder < ups[j].ponder
+}
+
+func (ups Aliases) Sort() {
+	sort.Sort(ups)
+}
+
+func (al *Alias) GetId() string {
+	return utils.ConcatenatedKey(al.Direction, al.Tenant, al.Category, al.Account, al.Subject, al.DestinationId, al.Group)
+}
+
+func (al *Alias) SetId(id string) error {
+	vals := strings.Split(id, utils.CONCATENATED_KEY_SEP)
+	if len(vals) != 7 {
+		return utils.ErrInvalidKey
+	}
+	al.Direction = vals[0]
+	al.Tenant = vals[1]
+	al.Category = vals[2]
+	al.Account = vals[3]
+	al.Subject = vals[4]
+	al.DestinationId = vals[5]
+	al.Group = vals[6]
+	return nil
+}
+
+type AliasService interface {
+	SetAlias(Alias, *string) error
+	AliasAlias(Alias, *string) error
+	GetAliases(Alias, *Aliases) error
+	ReloadAliases(string, *string) error
+}
+
+type AliasMap struct {
+	table        map[string]string
+	accountingDb AccountingStorage
+	mu           sync.RWMutex
+}
+
+func NewAliasMap(accountingDb AccountingStorage) (*AliasMap, error) {
+	um := newAliasMap(accountingDb)
+	var reply string
+	if err := um.ReloadAliases("", &reply); err != nil {
+		return nil, err
+	}
+	return um, nil
+}
+
+func newAliasMap(accountingDb AccountingStorage) *AliasMap {
+	return &AliasMap{
+		table:        make(map[string]string),
+		accountingDb: accountingDb,
+	}
+}
+
+func (am *AliasMap) ReloadAliases(in string, reply *string) error {
+	am.mu.Lock()
+	defer am.mu.Unlock()
+
+	// backup old data
+	oldTable := am.table
+	am.table = make(map[string]string)
+
+	// load from rating db
+	if ups, err := am.accountingDb.GetAliases(); err == nil {
+		for _, up := range ups {
+			am.table[up.GetId()] = up.Profile
+		}
+	} else {
+		// restore old data before return
+		am.table = oldTable
+
+		*reply = err.Error()
+		return err
+	}
+
+	*reply = utils.OK
+	return nil
+}
+
+func (am *AliasMap) SetAlias(al Alias, reply *string) error {
+	am.mu.Lock()
+	defer am.mu.Unlock()
+	if err := am.accountingDb.SetAlias(&al); err != nil {
+		*reply = err.Error()
+		return err
+	}
+	am.table[al.GetId()] = al.Alias
+	*reply = utils.OK
+	return nil
+}
+
+func (am *AliasMap) RemoveAlias(al Alias, reply *string) error {
+	am.mu.Lock()
+	defer am.mu.Unlock()
+	if err := am.accountingDb.RemoveAlias(al.GetId()); err != nil {
+		*reply = err.Error()
+		return err
+	}
+	delete(am.table, al.GetId())
+	am.deleteIndex(&al)
+	*reply = utils.OK
+	return nil
+}
+
+func (am *AliasMap) GetAliases(al Alias, results *Aliases) error {
+	am.mu.RLock()
+	defer am.mu.RUnlock()
+
+	*results = am.table[al.GetId()]
+	return nil
+}
+
+type ProxyAliasService struct {
+	Client *rpcclient.RpcClient
+}
+
+func NewProxyAliasService(addr string, attempts, reconnects int) (*ProxyAliasService, error) {
+	client, err := rpcclient.NewRpcClient("tcp", addr, attempts, reconnects, utils.GOB)
+	if err != nil {
+		return nil, err
+	}
+	return &ProxyAliasService{Client: client}, nil
+}
+
+func (ps *ProxyAliasService) SetAlias(al Alias, reply *string) error {
+	return ps.Client.Call("AliasV1.SetAlias", al, reply)
+}
+
+func (ps *ProxyAliasService) RemoveAlias(al Alias, reply *string) error {
+	return ps.Client.Call("AliasV1.RemoveAlias", al, reply)
+}
+
+func (ps *ProxyAliasService) GetAliases(al Alias, aliases *Aliases) error {
+	return ps.Client.Call("AliasV1.GetAliases", al, aliases)
+}
+
+func (ps *ProxyAliasService) ReloadAliases(in string, reply *string) error {
+	return ps.Client.Call("AliasV1.ReloadAliases", in, reply)
+}
diff --git a/engine/users.go b/engine/users.go
index 894ba61f4..6129646c8 100644
--- a/engine/users.go
+++ b/engine/users.go
@@ -369,8 +369,6 @@ func (um *UserMap) GetIndexes(in string, reply *map[string][]string) error {
 	return nil
 }
 
-type UserProxy struct{}
-
 type ProxyUserService struct {
 	Client *rpcclient.RpcClient
 }
diff --git a/utils/consts.go b/utils/consts.go
index bc3abaabf..5262882aa 100644
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -215,6 +215,8 @@ const (
 	CGR_SUPPLIERS                = "cgr_suppliers"
 	KAM_FLATSTORE                = "kamailio_flatstore"
 	OSIPS_FLATSTORE              = "opensips_flatstore"
+	ALIAS_GROUP_RP               = "*rating_profile"
+	ALIAS_GROUP_ACC              = "*account"
 )
 
 var (