/
server.go
executable file
·223 lines (197 loc) · 6.47 KB
/
server.go
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/*
* Copyright (c) 2018, https://github.com/airwide-code
* All rights reserved.
*
*
*
*/
package server
import (
"encoding/binary"
"fmt"
"github.com/BurntSushi/toml"
"github.com/coreos/etcd/clientv3"
"github.com/golang/glog"
"github.com/airwide-code/airwide.datacenter/baselib/grpc_util"
"github.com/airwide-code/airwide.datacenter/baselib/grpc_util/service_discovery"
"github.com/airwide-code/airwide.datacenter/baselib/grpc_util/service_discovery/etcd3"
"github.com/airwide-code/airwide.datacenter/baselib/net2"
"github.com/airwide-code/airwide.datacenter/baselib/redis_client"
"github.com/airwide-code/airwide.datacenter/biz/dal/dao"
"github.com/airwide-code/airwide.datacenter/mtproto"
"net"
"time"
)
type ServerConfig struct {
Name string
ProtoName string
Addr string
}
func newTcpServer(config ServerConfig, cb net2.TcpConnectionCallback) (*net2.TcpServer, error) {
lsn, err := net.Listen("tcp", config.Addr)
if err != nil {
// glog.Errorf("listen error: %v", err)
return nil, err
}
server := net2.NewTcpServer(net2.TcpServerArgs{
Listener: lsn,
ServerName: config.Name,
ProtoName: config.ProtoName,
SendChanSize: 1024,
ConnectionCallback: cb,
}) // todo (yumcoder): set max connection
return server, nil
}
type SessionConfig struct {
ServerId int32 // 服务器ID
Redis []redis_client.RedisConfig
SaltCache redis_client.RedisConfig
AuthKeyRpcClient service_discovery.ServiceDiscoveryClientConfig
BizRpcClient service_discovery.ServiceDiscoveryClientConfig
NbfsRpcClient service_discovery.ServiceDiscoveryClientConfig
SyncRpcClient service_discovery.ServiceDiscoveryClientConfig
Server ServerConfig
Discovery service_discovery.ServiceDiscoveryServerConfig
}
type SessionServer struct {
configPath string
config *SessionConfig
server *net2.TcpServer
client *net2.TcpClientGroupManager
bizRpcClient *grpc_util.RPCClient
nbfsRpcClient *grpc_util.RPCClient
syncRpcClient mtproto.RPCSyncClient
sessionManager *sessionManager
syncHandler *syncHandler
registry *etcd3.EtcdReigistry
}
func NewSessionServer(configPath string) *SessionServer {
return &SessionServer{
configPath: configPath,
config: &SessionConfig{},
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// AppInstance interface
func (s *SessionServer) Initialize() error {
var err error
if _, err = toml.DecodeFile(s.configPath, s.config); err != nil {
glog.Errorf("decode config file %s error: %v", s.configPath, err)
return err
}
glog.Infof("config loaded: %v", s.config)
// 初始化mysql_client、redis_client
redis_client.InstallRedisClientManager(s.config.Redis)
// 初始化redis_dao、mysql_dao
dao.InstallRedisDAOManager(redis_client.GetRedisClientManager())
// TODO(@benqi): config cap
InitCacheAuthManager(1024*1024, &s.config.AuthKeyRpcClient)
s.sessionManager = newSessionManager()
s.syncHandler = newSyncHandler(s.sessionManager)
s.server, err = newTcpServer(s.config.Server, s)
if err != nil {
glog.Error(err)
return err
}
etcdConfg := clientv3.Config{
Endpoints: s.config.Discovery.EtcdAddrs,
}
s.registry, err = etcd3.NewRegistry(
etcd3.Option{
EtcdConfig: etcdConfg,
RegistryDir: "/nebulaim",
ServiceName: s.config.Discovery.ServiceName,
NodeID: s.config.Discovery.NodeID,
NData: etcd3.NodeData{
Addr: s.config.Discovery.RPCAddr,
Metadata: map[string]string{},
// Metadata: map[string]string{"weight": "1"},
},
Ttl: time.Duration(s.config.Discovery.TTL), // * time.Second,
})
if err != nil {
glog.Fatal(err)
// return nil
}
return nil
}
func (s *SessionServer) RunLoop() {
// TODO(@benqi): check error
// timingWheel.Start()
s.bizRpcClient, _ = grpc_util.NewRPCClient(&s.config.BizRpcClient)
s.nbfsRpcClient, _ = grpc_util.NewRPCClient(&s.config.NbfsRpcClient)
c, _ := grpc_util.NewRPCClient(&s.config.SyncRpcClient)
s.syncRpcClient = mtproto.NewRPCSyncClient(c.GetClientConn())
// client: mtproto.NewZRPCAuthKeyClient(conn),
go s.registry.Register()
go s.server.Serve()
// go s.client.Serve()
}
func (s *SessionServer) Destroy() {
glog.Infof("sessionServer - destroy...")
// timingWheel.Stop()
s.registry.Deregister()
s.server.Stop()
time.Sleep(1 * time.Second)
// s.client.Stop()
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// TcpConnectionCallback
func (s *SessionServer) OnNewConnection(conn *net2.TcpConnection) {
glog.Infof("OnNewConnection %v", conn.RemoteAddr())
}
func (s *SessionServer) OnConnectionDataArrived(conn *net2.TcpConnection, msg interface{}) error {
// var err error
zmsg, ok := msg.(*mtproto.ZProtoMessage)
if !ok {
return fmt.Errorf("invalid ZProtoMessage type: %v", msg)
}
glog.Infof("recv peer(%v) data: {%v}", conn.RemoteAddr(), zmsg)
// var err error
// res *mtproto.ZProtoRawPayload
switch zmsg.Message.(type) {
case *mtproto.ZProtoRawPayload:
payload, _ := zmsg.Message.(*mtproto.ZProtoRawPayload)
msgType := binary.LittleEndian.Uint32(payload.Payload[:4])
switch msgType {
case mtproto.SESSION_SESSION_CLIENT_NEW:
return nil
case mtproto.SESSION_SESSION_DATA:
return s.sessionManager.onSessionData2(conn.GetConnID(), zmsg.SessionId, zmsg.Metadata, payload.Payload[4:])
// return s.sessionManager.onSessionData(conn, zmsg.SessionId, zmsg.Metadata, payload.Payload[4:])
case mtproto.SESSION_SESSION_CLIENT_CLOSED:
return nil
case mtproto.SYNC_DATA:
sres, err := s.syncHandler.onSyncData(conn, payload.Payload[4:])
if err != nil {
glog.Error(err)
return nil
}
res := &mtproto.ZProtoMessage{
SessionId: zmsg.SessionId,
SeqNum: zmsg.SeqNum,
Metadata: zmsg.Metadata,
Message: sres,
}
return conn.Send(res)
default:
return fmt.Errorf("invalid payload type: %v", msg)
}
default:
return fmt.Errorf("invalid zmsg type: {%v}", zmsg)
}
}
func (s *SessionServer) OnConnectionClosed(conn *net2.TcpConnection) {
glog.Infof("OnConnectionClosed - %v", conn.RemoteAddr())
}
func (s *SessionServer) SendToClientData(connID, sessionID uint64, md *mtproto.ZProtoMetadata, buf []byte) error {
glog.Infof("sendToClientData - {%d, %d}", connID, sessionID)
conn := s.server.GetConnection(connID)
if conn != nil {
return sendDataByConnection(conn, sessionID, md, buf)
} else {
err := fmt.Errorf("send data error, conn offline, connID: %d", connID)
glog.Error(err)
return err
}
}