mirror of
https://github.com/cgrates/cgrates.git
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111 lines
3.5 KiB
Go
111 lines
3.5 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 engine
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import (
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"errors"
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"fmt"
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"strings"
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"sync"
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"time"
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"github.com/cgrates/cgrates/config"
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"github.com/cgrates/cgrates/utils"
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"github.com/cgrates/rpcclient"
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)
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func NewRPCPool(dispatchStrategy string, keyPath, certPath, caPath string, connAttempts, reconnects int,
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connectTimeout, replyTimeout time.Duration, rpcConnCfgs []*config.RemoteHost,
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internalConnChan chan rpcclient.RpcClientConnection, ttl time.Duration, lazyConnect bool) (*rpcclient.RpcClientPool, error) {
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var rpcClient *rpcclient.RpcClient
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var err error
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rpcPool := rpcclient.NewRpcClientPool(dispatchStrategy, replyTimeout)
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atLestOneConnected := false // If one connected we don't longer return errors
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for _, rpcConnCfg := range rpcConnCfgs {
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if rpcConnCfg.Address == utils.MetaInternal {
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var internalConn rpcclient.RpcClientConnection
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select {
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case internalConn = <-internalConnChan:
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internalConnChan <- internalConn
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case <-time.After(ttl):
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return nil, errors.New("TTL triggered")
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}
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rpcClient, err = rpcclient.NewRpcClient("", "", rpcConnCfg.TLS, keyPath, certPath, caPath, connAttempts,
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reconnects, connectTimeout, replyTimeout, rpcclient.INTERNAL_RPC, internalConn, lazyConnect)
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} else if utils.IsSliceMember([]string{utils.MetaJSONrpc, utils.MetaGOBrpc, ""}, rpcConnCfg.Transport) {
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codec := utils.GOB
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if rpcConnCfg.Transport != "" {
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codec = rpcConnCfg.Transport[1:] // Transport contains always * before codec understood by rpcclient
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}
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rpcClient, err = rpcclient.NewRpcClient("tcp", rpcConnCfg.Address, rpcConnCfg.TLS, keyPath, certPath, caPath,
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connAttempts, reconnects, connectTimeout, replyTimeout, codec, nil, lazyConnect)
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} else {
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return nil, fmt.Errorf("Unsupported transport: <%s>", rpcConnCfg.Transport)
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}
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if err == nil {
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atLestOneConnected = true
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}
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rpcPool.AddClient(rpcClient)
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}
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if atLestOneConnected {
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err = nil
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}
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return rpcPool, err
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}
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var IntRPC *InternalRPC
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func init() {
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IntRPC = &InternalRPC{subsystems: make(map[string]rpcclient.RpcClientConnection)}
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}
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type InternalRPC struct {
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sync.Mutex
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subsystems map[string]rpcclient.RpcClientConnection
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}
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func (irpc *InternalRPC) AddConnection(name string, conn rpcclient.RpcClientConnection) {
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if conn == nil {
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return
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}
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irpc.Lock()
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irpc.subsystems[name] = conn
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irpc.Unlock()
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}
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func (irpc *InternalRPC) Call(method string, args interface{}, reply interface{}) error {
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methodSplit := strings.Split(method, ".")
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if len(methodSplit) != 2 {
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return rpcclient.ErrUnsupporteServiceMethod
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}
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irpc.Lock()
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defer irpc.Unlock()
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conn, has := irpc.subsystems[methodSplit[0]]
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if !has {
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return rpcclient.ErrUnsupporteServiceMethod
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}
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return conn.Call(method, args, reply)
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}
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func (irpc *InternalRPC) GetConnChan() (connChan chan rpcclient.RpcClientConnection) {
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connChan = make(chan rpcclient.RpcClientConnection, 1)
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connChan <- irpc
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return
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}
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