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cherry.go
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cherry.go
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package cherry
import (
"context"
cfacade "github.com/cherry-game/cherry/facade"
clog "github.com/cherry-game/cherry/logger"
cagent "github.com/cherry-game/cherry/net/agent"
ccluster "github.com/cherry-game/cherry/net/cluster"
ccommand "github.com/cherry-game/cherry/net/command"
chandler "github.com/cherry-game/cherry/net/handler"
cmsg "github.com/cherry-game/cherry/net/message"
cpacket "github.com/cherry-game/cherry/net/packet"
cproto "github.com/cherry-game/cherry/net/proto"
crouter "github.com/cherry-game/cherry/net/router"
csession "github.com/cherry-game/cherry/net/session"
"time"
)
var (
_thisApp *Application
_components []cfacade.IComponent
)
var (
_commands = make(map[cpacket.Type]ccommand.ICommand)
_handshakeData = make(map[string]interface{})
_heartbeat = 60 * time.Second
_connectors []cfacade.IConnector
_clusterComponent *ccluster.Component
)
var (
_handlerOpts []chandler.Option
_handlerGroups []*chandler.HandlerGroup
_handlerComponent *chandler.Component
)
func App() *Application {
return _thisApp
}
func Configure(profilePath, profileName, nodeId string) cfacade.IApplication {
_thisApp = NewApp(profilePath, profileName, nodeId)
return _thisApp
}
func Run(isFrontend bool, nodeMode NodeMode) {
if _thisApp == nil {
panic("please call the configure function first.")
}
if _thisApp.Running() {
return
}
_thisApp.isFrontend = isFrontend
_thisApp.nodeMode = nodeMode
initHandler()
initCluster()
initConnector()
initComponent()
_thisApp.Startup()
}
func initHandler() {
// register handler component
_handlerComponent = chandler.NewComponent(_handlerOpts...)
for _, group := range _handlerGroups {
_handlerComponent.Register(group)
}
// add handler component
_thisApp.Register(_handlerComponent)
}
func initComponent() {
_thisApp.Register(_components...)
}
func initCluster() {
if _thisApp.NodeMode() == Cluster {
// register cluster component
_clusterComponent = ccluster.NewComponent()
_thisApp.Register(_clusterComponent)
}
}
func initConnector() {
if _thisApp.isFrontend == false {
return
}
if len(_connectors) < 1 {
panic("please call the cherry.RegisterConnector() method add IConnector.")
}
initCommand()
initOnSession()
for _, connector := range _connectors {
// default setting
if connector.IsSetListener() == false {
connector.OnConnectListener(func(conn cfacade.INetConn) {
// create agent
agent := cagent.NewAgent(_thisApp, conn, &cagent.Options{
Heartbeat: _heartbeat,
Commands: _commands,
})
// create new session
newSession := csession.Create(csession.NextSID(), _thisApp.NodeId(), agent)
// run agent
agent.SetSession(newSession)
agent.Run()
})
}
RegisterComponent(connector)
}
}
func initOnSession() {
csession.AddOnCreateListener(func(session *csession.Session) (next bool) {
session.Debugf("session create. [sid = %s, address = %s]",
session.SID(),
session.RemoteAddress(),
)
return true
})
csession.AddOnCloseListener(func(session *csession.Session) (next bool) {
session.Debugf("session closed. [sid = %s, address = %s]",
session.SID(),
session.RemoteAddress(),
)
return true
})
}
func initCommand() {
if _, found := _commands[cpacket.Handshake]; found == false {
if len(_handshakeData) < 1 {
_handshakeData["heartbeat"] = _heartbeat.Seconds()
_handshakeData["dict"] = cmsg.GetDictionary()
_handshakeData["serializer"] = _thisApp.ISerializer.Name()
}
handshakeCommand := ccommand.NewHandshake(_thisApp, _handshakeData)
RegisterCommand(handshakeCommand)
}
if _, found := _commands[cpacket.HandshakeAck]; found == false {
handshakeAckCommand := ccommand.NewHandshakeACK()
RegisterCommand(handshakeAckCommand)
}
if _, found := _commands[cpacket.Heartbeat]; found == false {
heartbeatCommand := ccommand.NewHeartbeat(_thisApp)
RegisterCommand(heartbeatCommand)
}
if _, found := _commands[cpacket.Data]; found == false {
// connector forward message
handDataCommand := ccommand.NewData(
_thisApp,
_handlerComponent.ProcessLocal,
forwardLocal,
)
RegisterCommand(handDataCommand)
}
}
// ForwardLocal forward message to backend node
func forwardLocal(session *csession.Session, msg *cmsg.Message) {
member, err := crouter.Route(context.Background(), msg.RouteInfo(), session)
if member == nil || err != nil {
session.Warnf("get router node fail. [session = %v, msg = %s, error = %s]",
session,
msg,
err,
)
return
}
request := buildRequest(session, msg)
defer request.Recycle()
if err = _clusterComponent.PublishLocal(member.GetNodeId(), request); err != nil {
session.Warnf("publish local fail. [error = %s]", err)
}
}
func SetSerializer(serializer cfacade.ISerializer) {
_thisApp.SetSerializer(serializer)
}
func SetPacketCodec(codec cfacade.IPacketCodec) {
_thisApp.SetPacketCodec(codec)
}
func SetHeartbeat(t time.Duration) {
if t.Seconds() < 1 {
t = 60 * time.Second
}
_heartbeat = t
}
func SetHandshake(key string, value interface{}) {
_handshakeData[key] = value
}
func SetDictionary(dict map[string]uint16) {
cmsg.SetDictionary(dict)
}
func SetDataCompression(compression bool) {
cmsg.SetDataCompression(compression)
}
func SetOnShutdown(fn ...func()) {
_thisApp.OnShutdown(fn...)
}
func SetHandlerOptions(opts ...chandler.Option) {
_handlerOpts = append(_handlerOpts, opts...)
}
func RegisterHandler(handler ...cfacade.IHandler) {
handlerGroup := chandler.NewGroupWithHandler(handler...)
_handlerGroups = append(_handlerGroups, handlerGroup)
}
func RegisterHandlerGroup(group ...*chandler.HandlerGroup) {
_handlerGroups = append(_handlerGroups, group...)
}
func RegisterComponent(component ...cfacade.IComponent) {
_components = append(_components, component...)
}
func RegisterConnector(connector cfacade.IConnector) {
_connectors = append(_connectors, connector)
}
func RegisterCommand(command ccommand.ICommand) {
_commands[command.PacketType()] = command
}
func AddNodeRouter(nodeType string, routingFunc crouter.RoutingFunc) {
crouter.AddRoute(nodeType, routingFunc)
}
func GetConnectors() []cfacade.IConnector {
return _connectors
}
func PostEvent(event cfacade.IEvent) {
if _handlerComponent == nil {
clog.Warnf("post event fail. handler component is nil.")
return
}
_handlerComponent.PostEvent(event)
}
func buildRequest(session *csession.Session, msg *cmsg.Message) *cproto.Request {
request := cproto.GetRequest()
request.Sid = session.SID()
request.Uid = session.UID()
request.FrontendId = session.FrontendId()
request.Ip = session.RemoteAddress()
request.Setting = session.Data()
request.MsgType = int32(msg.Type)
request.MsgId = uint32(msg.ID)
request.Route = msg.Route
request.IsError = false
request.Data = msg.Data
return request
}