优化一些细节

client.go

@@ -383,6 +383,7 @@ func (c *client) RunEventLoop(newSession NewSessionCallback) {
 	c.newSession = newSession
 	c.Unlock()
 
+	log.Info("run")
 	c.wg.Add(1)
 	// a for-loop goroutine to make sure the connection is valid
 	go func() {

conn.go

@@ -15,6 +15,7 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"sync"
 	"sync/atomic"
 	"time"
 )
@@ -180,6 +181,7 @@ func newGettyTCPConn(conn net.Conn) *gettyTCPConn {
 // for zip compress
 type writeFlusher struct {
 	flusher *flate.Writer
+	lock    sync.Mutex
 }
 
 func (t *writeFlusher) Write(p []byte) (int, error) {
@@ -187,7 +189,8 @@ func (t *writeFlusher) Write(p []byte) (int, error) {
 		n   int
 		err error
 	)
-
+	t.lock.Lock()
+	defer t.lock.Unlock()
 	n, err = t.flusher.Write(p)
 	if err != nil {
 		return n, jerrors.Trace(err)

gopool.go

+package getty
+
+import (
+	"fmt"
+	"time"
+)
+
+var ErrScheduleTimeout = fmt.Errorf("schedule error: timed out")
+
+type Pool struct {
+	sem  chan struct{}
+	work chan func()
+}
+
+func NewPool(size, queue, spawn int) *Pool {
+	if spawn <= 0 && queue > 0 {
+		panic("dead queue configuration detected")
+	}
+	if spawn > size {
+		panic("spawn > workers")
+	}
+	p := &Pool{
+		sem:  make(chan struct{}, size),
+		work: make(chan func(), queue),
+	}
+	for i := 0; i < spawn; i++ {
+		p.sem <- struct{}{}
+		go p.worker(func() {})
+	}
+
+	return p
+}
+
+func (p *Pool) ScheduleTimeout(timeout time.Duration, task func()) error {
+	return p.schedule(task, time.After(timeout))
+}
+
+func (p *Pool) schedule(task func(), timeout <-chan time.Time) error {
+	select {
+	case <-timeout:
+		return ErrScheduleTimeout
+	case p.work <- task:
+		return nil
+	case p.sem <- struct{}{}:
+		go p.worker(task)
+		return nil
+	}
+}
+
+func (p *Pool) worker(task func()) {
+	defer func() { <-p.sem }()
+
+	task()
+
+	for task := range p.work {
+		task()
+	}
+}

rpc/client.go

@@ -23,7 +23,6 @@ var (
 	errInvalidAddress  = jerrors.New("remote address invalid or empty")
 	errSessionNotExist = jerrors.New("session not exist")
 	errClientClosed    = jerrors.New("client closed")
-	src                = rand.NewSource(time.Now().UnixNano())
 )
 
 func init() {
@@ -35,16 +34,16 @@ type Client struct {
 	lock        sync.RWMutex
 	sessions    []*rpcSession
 	gettyClient getty.Client
+	codecType   SerializeType
 
 	sequence uint64
 
 	pendingLock      sync.RWMutex
 	pendingResponses map[uint64]*PendingResponse
-
-	sendLock sync.Mutex
 }
 
-func NewClient(conf *ClientConfig) *Client {
+func NewClient(confFile string) *Client {
+	conf := loadClientConf(confFile)
 	c := &Client{
 		pendingResponses: make(map[uint64]*PendingResponse),
 		conf:             conf,
@@ -52,6 +51,7 @@ func NewClient(conf *ClientConfig) *Client {
 			getty.WithServerAddress(gxnet.HostAddress(conf.ServerHost, conf.ServerPort)),
 			getty.WithConnectionNumber((int)(conf.ConnectionNum)),
 		),
+		codecType: JSON,
 	}
 	c.gettyClient.RunEventLoop(c.newSession)
 	idx := 1
@@ -71,6 +71,10 @@ func NewClient(conf *ClientConfig) *Client {
 	return c
 }
 
+func (c *Client) SetCodecType(st SerializeType) {
+	c.codecType = st
+}
+
 func (c *Client) newSession(session getty.Session) error {
 	var (
 		ok      bool
@@ -113,14 +117,14 @@ func (c *Client) Sequence() uint64 {
 }
 
 func (c *Client) Call(service, method string, args interface{}, reply interface{}) error {
-	req := NewGettyRPCRequest(nil)
-	req.header.Service = service
-	req.header.Method = method
-	req.header.CallType = gettyTwoWay
+	b := &GettyRPCRequest{}
+	b.header.Service = service
+	b.header.Method = method
+	b.header.CallType = gettyTwoWay
 	if reply == nil {
-		req.header.CallType = gettyTwoWayNoReply
+		b.header.CallType = gettyTwoWayNoReply
 	}
-	req.body = args
+	b.body = args
 
 	resp := NewPendingResponse()
 	resp.reply = reply
@@ -130,7 +134,7 @@ func (c *Client) Call(service, method string, args interface{}, reply interface{
 		return errSessionNotExist
 	}
 
-	if err := c.transfer(session, req, resp); err != nil {
+	if err := c.transfer(session, b, resp); err != nil {
 		return jerrors.Trace(err)
 	}
 	<-resp.done
@@ -147,30 +151,24 @@ func (c *Client) isAvailable() bool {
 }
 
 func (c *Client) Close() {
-	var sessions *[]*rpcSession
-
 	c.lock.Lock()
 	if c.gettyClient != nil {
-		sessions = &(c.sessions)
-		c.sessions = nil
-		c.gettyClient.Close()
-		c.gettyClient = nil
-		c.sessions = c.sessions[:0]
-	}
-	c.lock.Unlock()
-
-	if sessions != nil {
-		for _, s := range *sessions {
+		for _, s := range c.sessions {
 			log.Info("close client session{%s, last active:%s, request number:%d}",
 				s.session.Stat(), s.session.GetActive().String(), s.reqNum)
 			s.session.Close()
 		}
+		c.gettyClient.Close()
+		c.gettyClient = nil
+		c.sessions = c.sessions[:0]
 	}
+	c.lock.Unlock()
 }
 
 func (c *Client) selectSession() getty.Session {
 	c.lock.RLock()
 	defer c.lock.RUnlock()
+
 	if c.sessions == nil {
 		return nil
 	}
@@ -189,12 +187,8 @@ func (c *Client) addSession(session getty.Session) {
 	}
 
 	c.lock.Lock()
-	defer c.lock.Unlock()
-	if c.sessions == nil {
-		return
-	}
-
 	c.sessions = append(c.sessions, &rpcSession{session: session})
+	c.lock.Unlock()
 }
 
 func (c *Client) removeSession(session getty.Session) {
@@ -259,8 +253,9 @@ func (c *Client) getClientRpcSession(session getty.Session) (rpcSession, error)
 	return rpcSession, jerrors.Trace(err)
 }
 
-func (c *Client) ping(session getty.Session) error {
-	return c.transfer(session, nil, nil)
+func (c *Client) heartbeat(session getty.Session) error {
+	resp := NewPendingResponse()
+	return c.transfer(session, nil, resp)
 }
 
 func (c *Client) transfer(session getty.Session, req *GettyRPCRequest, resp *PendingResponse) error {
@@ -272,19 +267,18 @@ func (c *Client) transfer(session getty.Session, req *GettyRPCRequest, resp *Pen
 
 	sequence = c.Sequence()
 	pkg.H.Magic = gettyPackageMagic
-	pkg.H.LogID = (uint32)(src.Int63())
+	pkg.H.LogID = (uint32)(randomID())
 	pkg.H.Sequence = sequence
 	pkg.H.Command = gettyCmdHbRequest
-	if req != nil && resp != nil {
+	pkg.H.CodecType = c.codecType
+	if req != nil {
 		pkg.H.Command = gettyCmdRPCRequest
 		pkg.B = req
-
-		resp.seq = sequence
-		c.AddPendingResponse(resp)
 	}
 
-	c.sendLock.Lock()
-	defer c.sendLock.Unlock()
+	resp.seq = sequence
+	c.AddPendingResponse(resp)
+
 	err = session.WritePkg(pkg, 0)
 	if err != nil && resp != nil {
 		c.RemovePendingResponse(resp.seq)

rpc/codec_easyjson.go

-// Code generated by easyjson for marshaling/unmarshaling. DO NOT EDIT.
-
-package rpc
-
-import (
-	json "encoding/json"
-	easyjson "github.com/mailru/easyjson"
-	jlexer "github.com/mailru/easyjson/jlexer"
-	jwriter "github.com/mailru/easyjson/jwriter"
-)
-
-// suppress unused package warning
-var (
-	_ *json.RawMessage
-	_ *jlexer.Lexer
-	_ *jwriter.Writer
-	_ easyjson.Marshaler
-)
-
-func easyjson38c57360DecodeGithubComAlexStocksGettyRpc(in *jlexer.Lexer, out *GettyRPCRequestHeader) {
-	isTopLevel := in.IsStart()
-	if in.IsNull() {
-		if isTopLevel {
-			in.Consumed()
-		}
-		in.Skip()
-		return
-	}
-	in.Delim('{')
-	for !in.IsDelim('}') {
-		key := in.UnsafeString()
-		in.WantColon()
-		if in.IsNull() {
-			in.Skip()
-			in.WantComma()
-			continue
-		}
-		switch key {
-		case "service":
-			out.Service = string(in.String())
-		case "method":
-			out.Method = string(in.String())
-		case "call_type":
-			out.CallType = gettyCallType(in.Uint32())
-		default:
-			in.SkipRecursive()
-		}
-		in.WantComma()
-	}
-	in.Delim('}')
-	if isTopLevel {
-		in.Consumed()
-	}
-}
-func easyjson38c57360EncodeGithubComAlexStocksGettyRpc(out *jwriter.Writer, in GettyRPCRequestHeader) {
-	out.RawByte('{')
-	first := true
-	_ = first
-	if in.Service != "" {
-		const prefix string = ",\"service\":"
-		if first {
-			first = false
-			out.RawString(prefix[1:])
-		} else {
-			out.RawString(prefix)
-		}
-		out.String(string(in.Service))
-	}
-	if in.Method != "" {
-		const prefix string = ",\"method\":"
-		if first {
-			first = false
-			out.RawString(prefix[1:])
-		} else {
-			out.RawString(prefix)
-		}
-		out.String(string(in.Method))
-	}
-	if in.CallType != 0 {
-		const prefix string = ",\"call_type\":"
-		if first {
-			first = false
-			out.RawString(prefix[1:])
-		} else {
-			out.RawString(prefix)
-		}
-		out.Uint32(uint32(in.CallType))
-	}
-	out.RawByte('}')
-}
-
-// MarshalJSON supports json.Marshaler interface
-func (v GettyRPCRequestHeader) MarshalJSON() ([]byte, error) {
-	w := jwriter.Writer{}
-	easyjson38c57360EncodeGithubComAlexStocksGettyRpc(&w, v)
-	return w.Buffer.BuildBytes(), w.Error
-}
-
-// MarshalEasyJSON supports easyjson.Marshaler interface
-func (v GettyRPCRequestHeader) MarshalEasyJSON(w *jwriter.Writer) {
-	easyjson38c57360EncodeGithubComAlexStocksGettyRpc(w, v)
-}
-
-// UnmarshalJSON supports json.Unmarshaler interface
-func (v *GettyRPCRequestHeader) UnmarshalJSON(data []byte) error {
-	r := jlexer.Lexer{Data: data}
-	easyjson38c57360DecodeGithubComAlexStocksGettyRpc(&r, v)
-	return r.Error()
-}
-
-// UnmarshalEasyJSON supports easyjson.Unmarshaler interface
-func (v *GettyRPCRequestHeader) UnmarshalEasyJSON(l *jlexer.Lexer) {
-	easyjson38c57360DecodeGithubComAlexStocksGettyRpc(l, v)
-}

rpc/config.go

 package rpc
 
 import (
+	"fmt"
 	"time"
 )
 
+import (
+	config "github.com/koding/multiconfig"
+)
+
 type (
 	GettySessionParam struct {
 		CompressEncoding bool   `default:"false" yaml:"compress_encoding" json:"compress_encoding,omitempty"`
@@ -76,3 +81,70 @@ type (
 		GettySessionParam GettySessionParam `required:"true" yaml:"getty_session_param" json:"getty_session_param,omitempty"`
 	}
 )
+
+func loadClientConf(confFile string) *ClientConfig {
+	var err error
+	conf := new(ClientConfig)
+	config.MustLoadWithPath(confFile, conf)
+	conf.heartbeatPeriod, err = time.ParseDuration(conf.HeartbeatPeriod)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(HeartbeatPeroid{%#v}) = error{%v}", conf.HeartbeatPeriod, err))
+	}
+	conf.sessionTimeout, err = time.ParseDuration(conf.SessionTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(SessionTimeout{%#v}) = error{%v}", conf.SessionTimeout, err))
+	}
+	conf.failFastTimeout, err = time.ParseDuration(conf.FailFastTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(FailFastTimeout{%#v}) = error{%v}", conf.FailFastTimeout, err))
+	}
+	conf.GettySessionParam.keepAlivePeriod, err = time.ParseDuration(conf.GettySessionParam.KeepAlivePeriod)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(KeepAlivePeriod{%#v}) = error{%v}", conf.GettySessionParam.KeepAlivePeriod, err))
+	}
+	conf.GettySessionParam.tcpReadTimeout, err = time.ParseDuration(conf.GettySessionParam.TcpReadTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(TcpReadTimeout{%#v}) = error{%v}", conf.GettySessionParam.TcpReadTimeout, err))
+	}
+	conf.GettySessionParam.tcpWriteTimeout, err = time.ParseDuration(conf.GettySessionParam.TcpWriteTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(TcpWriteTimeout{%#v}) = error{%v}", conf.GettySessionParam.TcpWriteTimeout, err))
+	}
+	conf.GettySessionParam.waitTimeout, err = time.ParseDuration(conf.GettySessionParam.WaitTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(WaitTimeout{%#v}) = error{%v}", conf.GettySessionParam.WaitTimeout, err))
+	}
+	return conf
+}
+
+func loadServerConf(confFile string) *ServerConfig {
+	var err error
+	conf := new(ServerConfig)
+	config.MustLoadWithPath(confFile, conf)
+
+	conf.sessionTimeout, err = time.ParseDuration(conf.SessionTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(SessionTimeout{%#v}) = error{%v}", conf.SessionTimeout, err))
+	}
+	conf.failFastTimeout, err = time.ParseDuration(conf.FailFastTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(FailFastTimeout{%#v}) = error{%v}", conf.FailFastTimeout, err))
+	}
+	conf.GettySessionParam.keepAlivePeriod, err = time.ParseDuration(conf.GettySessionParam.KeepAlivePeriod)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(KeepAlivePeriod{%#v}) = error{%v}", conf.GettySessionParam.KeepAlivePeriod, err))
+	}
+	conf.GettySessionParam.tcpReadTimeout, err = time.ParseDuration(conf.GettySessionParam.TcpReadTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(TcpReadTimeout{%#v}) = error{%v}", conf.GettySessionParam.TcpReadTimeout, err))
+	}
+	conf.GettySessionParam.tcpWriteTimeout, err = time.ParseDuration(conf.GettySessionParam.TcpWriteTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(TcpWriteTimeout{%#v}) = error{%v}", conf.GettySessionParam.TcpWriteTimeout, err))
+	}
+	conf.GettySessionParam.waitTimeout, err = time.ParseDuration(conf.GettySessionParam.WaitTimeout)
+	if err != nil {
+		panic(fmt.Sprintf("time.ParseDuration(WaitTimeout{%#v}) = error{%v}", conf.GettySessionParam.WaitTimeout, err))
+	}
+	return conf
+}

rpc/example/client/client.go

@@ -9,7 +9,8 @@ import (
 )
 
 func main() {
-	client := rpc.NewClient()
+	log.LoadConfiguration("client_log.xml")
+	client := rpc.NewClient("client_config.toml")
 	defer client.Close()
 
 	for i := 0; i < 100; i++ {

rpc/example/client/client_config.toml

 # toml configure file
 # toml中key的首字母可以小写，但是对应的golang中的struct成员首字母必须大写
 
-AppName                 = "ECHO-CLIENT"
+AppName                 = "RPC-CLIENT"
 
 # host
 LocalHost               = "127.0.0.1"
@@ -14,7 +14,7 @@ ProfilePort             = 10080
 
 # connection pool
 # 连接池连接数目
-ConnectionNum           = 2
+ConnectionNum           = 10
 
 # session
 # client与server之间连接的心跳周期
@@ -22,12 +22,6 @@ HeartbeatPeriod         = "10s"
 # client与server之间连接的超时时间
 SessionTimeout          = "20s"
 
-# client
-# client echo request string
-EchoString              = "Hello, getty!"
-# 发送echo请求次数
-EchoTimes               = 10000
-
 # app fail fast
 FailFastTimeout         = "3s"
 
@@ -45,4 +39,4 @@ FailFastTimeout         = "3s"
     TcpWriteTimeout     = "5s"
     WaitTimeout         = "1s"
     MaxMsgLen           = 128
-    SessionName         = "echo-client"
+    SessionName         = "rpc-client"

rpc/example/server/server.go

@@ -3,10 +3,12 @@ package main
 import (
 	"github.com/AlexStocks/getty/rpc"
 	"github.com/AlexStocks/getty/rpc/example/data"
+	log "github.com/AlexStocks/log4go"
 )
 
 func main() {
-	srv := rpc.NewServer()
+	log.LoadConfiguration("server_log.xml")
+	srv := rpc.NewServer("server_config.toml")
 	srv.Register(new(data.TestRpc))
 	srv.Run()
 }

rpc/example/server/server_config.toml

 # toml configure file
 # toml中key的首字母可以小写，但是对应的golang中的struct成员首字母必须大写
 
-AppName                 = "ECHO-SERVER"
+AppName                 = "RPC-SERVER"
 
 Host                    = "127.0.0.1"
 # Host                    = "192.168.35.1"
@@ -31,4 +31,4 @@ FailFastTimeout         = "3s"
     TcpWriteTimeout     = "5s"
     WaitTimeout         = "1s"
     MaxMsgLen           = 128
-    SessionName         = "echo-server"
+    SessionName         = "rpc-server"

rpc/listener.go

 package rpc
 
 import (
-	"encoding/json"
 	"reflect"
 	"sync"
 	"time"
@@ -14,11 +13,6 @@ import (
 	log "github.com/AlexStocks/log4go"
 )
 
-const (
-	CmdTypeErr = "err"
-	CmdTypeAck = "ack"
-)
-
 var (
 	errTooManySessions = jerrors.New("too many echo sessions")
 )
@@ -37,8 +31,6 @@ type RpcServerHandler struct {
 	sessionTimeout time.Duration
 	sessionMap     map[getty.Session]*rpcSession
 	rwlock         sync.RWMutex
-
-	sendLock sync.Mutex
 }
 
 func NewRpcServerHandler(maxSessionNum int, sessionTimeout time.Duration) *RpcServerHandler {
@@ -88,29 +80,23 @@ func (h *RpcServerHandler) OnMessage(session getty.Session, pkg interface{}) {
 	}
 	h.rwlock.Unlock()
 
-	p, ok := pkg.(*GettyPackage)
+	req, ok := pkg.(GettyRPCRequestPackage)
 	if !ok {
 		log.Error("illegal packge{%#v}", pkg)
 		return
 	}
-	req, ok := p.B.(*GettyRPCRequest)
-	if !ok {
-		log.Error("illegal request{%#v}", p.B)
+	// heartbeat
+	if req.H.Command == gettyCmdHbRequest {
+		h.replyCmd(session, req, gettyCmdHbResponse, "")
 		return
 	}
-
-	if p.H.Command == gettyCmdHbRequest {
-		h.replyCmd(session, p, gettyCmdHbResponse, "")
-		return
-	}
-
 	if req.header.CallType == gettyTwoWayNoReply {
-		h.replyCmd(session, p, gettyCmdRPCResponse, "")
+		h.replyCmd(session, req, gettyCmdRPCResponse, "")
 		function := req.methodType.method.Func
 		function.Call([]reflect.Value{req.service.rcvr, req.argv, req.replyv})
 		return
 	}
-	h.callService(session, p, req.service, req.methodType, req.argv, req.replyv)
+	h.callService(session, req, req.service, req.methodType, req.argv, req.replyv)
 }
 
 func (h *RpcServerHandler) OnCron(session getty.Session) {
@@ -138,45 +124,44 @@ func (h *RpcServerHandler) OnCron(session getty.Session) {
 	}
 }
 
-func (h *RpcServerHandler) replyCmd(session getty.Session, reqPkg *GettyPackage, cmd gettyCommand, err string) {
-	rspPkg := *reqPkg
-	rspPkg.H.Code = 0
-	rspPkg.H.Command = gettyCmdRPCResponse
+func (h *RpcServerHandler) replyCmd(session getty.Session, req GettyRPCRequestPackage, cmd gettyCommand, err string) {
+	resp := GettyPackage{
+		H: req.H,
+	}
+	resp.H.Command = cmd
 	if len(err) != 0 {
-		rspPkg.H.Code = GettyFail
-		rspPkg.B = &GettyRPCResponse{
+		resp.H.Code = GettyFail
+		resp.B = &GettyRPCResponse{
 			header: GettyRPCResponseHeader{
 				Error: err,
 			},
 		}
 	}
 
-	h.sendLock.Lock()
-	defer h.sendLock.Unlock()
-	session.WritePkg(&rspPkg, 0)
+	session.WritePkg(resp, 5*time.Second)
 }
 
-func (h *RpcServerHandler) callService(session getty.Session, reqPkg *GettyPackage, service *service,
-	methodType *methodType, argv, replyv reflect.Value) {
+func (h *RpcServerHandler) callService(session getty.Session, req GettyRPCRequestPackage,
+	service *service, methodType *methodType, argv, replyv reflect.Value) {
 
 	function := methodType.method.Func
 	returnValues := function.Call([]reflect.Value{service.rcvr, argv, replyv})
 	errInter := returnValues[0].Interface()
-
 	if errInter != nil {
-		h.replyCmd(session, reqPkg, gettyCmdRPCResponse, errInter.(error).Error())
+		h.replyCmd(session, req, gettyCmdRPCResponse, errInter.(error).Error())
 		return
 	}
 
-	rspPkg := *reqPkg
-	rspPkg.H.Code = 0
-	rspPkg.H.Command = gettyCmdRPCResponse
-	rspPkg.B = &GettyRPCResponse{
+	resp := GettyPackage{
+		H: req.H,
+	}
+	resp.H.Code = GettyOK
+	resp.H.Command = gettyCmdRPCResponse
+	resp.B = &GettyRPCResponse{
 		body: replyv.Interface(),
 	}
-	h.sendLock.Lock()
-	defer h.sendLock.Unlock()
-	session.WritePkg(&rspPkg, 0)
+
+	session.WritePkg(resp, 5*time.Second)
 }
 
 ////////////////////////////////////////////
@@ -207,7 +192,7 @@ func (h *RpcClientHandler) OnClose(session getty.Session) {
 }
 
 func (h *RpcClientHandler) OnMessage(session getty.Session, pkg interface{}) {
-	p, ok := pkg.(*GettyPackage)
+	p, ok := pkg.(*GettyRPCResponsePackage)
 	if !ok {
 		log.Error("illegal packge{%#v}", pkg)
 		return
@@ -216,24 +201,28 @@ func (h *RpcClientHandler) OnMessage(session getty.Session, pkg interface{}) {
 	h.client.updateSession(session)
 
 	pendingResponse := h.client.RemovePendingResponse(p.H.Sequence)
-	if p.H.Command == gettyCmdHbResponse {
+	if pendingResponse == nil {
 		return
 	}
-	if p.B == nil {
-		log.Error("response:{%#v} body is nil", p)
+	if p.H.Command == gettyCmdHbResponse {
 		return
 	}
-	rsp, ok := p.B.(*GettyRPCResponse)
-	if !ok {
-		log.Error("response body:{%#v} type is not *GettyRPCResponse", p.B)
+	if p.H.Code == GettyFail && len(p.header.Error) > 0 {
+		pendingResponse.err = jerrors.New(p.header.Error)
+		pendingResponse.done <- struct{}{}
 		return
 	}
-	if p.H.Code == GettyFail && len(rsp.header.Error) > 0 {
-		pendingResponse.err = jerrors.New(rsp.header.Error)
+	codec := Codecs[p.H.CodecType]
+	if codec == nil {
+		pendingResponse.err = jerrors.Errorf("can not find codec for %d", p.H.CodecType)
+		pendingResponse.done <- struct{}{}
+		return
 	}
-	err := json.Unmarshal(rsp.body.([]byte), pendingResponse.reply)
+	err := codec.Decode(p.body, pendingResponse.reply)
 	if err != nil {
 		pendingResponse.err = err
+		pendingResponse.done <- struct{}{}
+		return
 	}
 	pendingResponse.done <- struct{}{}
 }
@@ -251,5 +240,5 @@ func (h *RpcClientHandler) OnCron(session getty.Session) {
 		return
 	}
 
-	h.client.ping(session)
+	h.client.heartbeat(session)
 }

rpc/readwriter.go

@@ -2,11 +2,12 @@ package rpc
 
 import (
 	"bytes"
-)
+	"reflect"
 
-import (
 	"github.com/AlexStocks/getty"
+
 	log "github.com/AlexStocks/log4go"
+
 	jerrors "github.com/juju/errors"
 )
 
@@ -25,7 +26,9 @@ func NewRpcServerPackageHandler(server *Server) *RpcServerPackageHandler {
 }
 
 func (p *RpcServerPackageHandler) Read(ss getty.Session, data []byte) (interface{}, int, error) {
-	var pkg GettyPackage
+	pkg := &GettyPackage{
+		B: NewGettyRPCRequest(),
+	}
 
 	buf := bytes.NewBuffer(data)
 	length, err := pkg.Unmarshal(buf)
@@ -36,11 +39,48 @@ func (p *RpcServerPackageHandler) Read(ss getty.Session, data []byte) (interface
 		return nil, 0, jerrors.Trace(err)
 	}
 
-	return &pkg, length, nil
+	req := GettyRPCRequestPackage{
+		H:      pkg.H,
+		header: pkg.B.GetHeader().(GettyRPCRequestHeader),
+	}
+	if req.H.Command == gettyCmdHbRequest {
+		return req, length, nil
+	}
+	// get service & method
+	req.service = p.server.serviceMap[req.header.Service]
+	if req.service != nil {
+		req.methodType = req.service.method[req.header.Method]
+	}
+	if req.service == nil || req.methodType == nil {
+		return nil, 0, ErrNotFoundServiceOrMethod
+	}
+	// get args
+	argIsValue := false
+	if req.methodType.ArgType.Kind() == reflect.Ptr {
+		req.argv = reflect.New(req.methodType.ArgType.Elem())
+	} else {
+		req.argv = reflect.New(req.methodType.ArgType)
+		argIsValue = true
+	}
+	codec := Codecs[req.H.CodecType]
+	if codec == nil {
+		return nil, 0, jerrors.Errorf("can not find codec for %d", req.H.CodecType)
+	}
+	err = codec.Decode(pkg.B.GetBody(), req.argv.Interface())
+	if err != nil {
+		return nil, 0, jerrors.Trace(err)
+	}
+	if argIsValue {
+		req.argv = req.argv.Elem()
+	}
+	// get reply
+	req.replyv = reflect.New(req.methodType.ReplyType.Elem())
+
+	return req, length, nil
 }
 
 func (p *RpcServerPackageHandler) Write(ss getty.Session, pkg interface{}) error {
-	resp, ok := pkg.(*GettyPackage)
+	resp, ok := pkg.(GettyPackage)
 	if !ok {
 		log.Error("illegal pkg:%+v\n", pkg)
 		return jerrors.New("invalid rpc response")
@@ -67,7 +107,9 @@ func NewRpcClientPackageHandler() *RpcClientPackageHandler {
 }
 
 func (p *RpcClientPackageHandler) Read(ss getty.Session, data []byte) (interface{}, int, error) {
-	var pkg GettyPackage
+	pkg := &GettyPackage{
+		B: NewGettyRPCResponse(),
+	}
 
 	buf := bytes.NewBuffer(data)
 	length, err := pkg.Unmarshal(buf)
@@ -78,11 +120,16 @@ func (p *RpcClientPackageHandler) Read(ss getty.Session, data []byte) (interface
 		return nil, 0, jerrors.Trace(err)
 	}
 
-	return &pkg, length, nil
+	resp := &GettyRPCResponsePackage{
+		H:      pkg.H,
+		header: pkg.B.GetHeader().(GettyRPCResponseHeader),
+		body:   pkg.B.GetBody(),
+	}
+	return resp, length, nil
 }
 
 func (p *RpcClientPackageHandler) Write(ss getty.Session, pkg interface{}) error {
-	req, ok := pkg.(*GettyPackage)
+	req, ok := pkg.(GettyPackage)
 	if !ok {
 		log.Error("illegal pkg:%+v\n", pkg)
 		return jerrors.New("invalid rpc request")

rpc/rpc.go

@@ -20,7 +20,6 @@ type methodType struct {
 	method    reflect.Method
 	ArgType   reflect.Type
 	ReplyType reflect.Type
-	numCalls  uint
 }
 
 type service struct {

rpc/server.go

@@ -24,7 +24,8 @@ type Server struct {
 	tcpServerList []getty.Server
 }
 
-func NewServer(conf *ServerConfig) *Server {
+func NewServer(confFile string) *Server {
+	conf := loadServerConf(confFile)
 	s := &Server{
 		serviceMap: make(map[string]*service),
 		conf:       conf,

rpc/util.go

+package rpc
+
+import (
+	"math/rand"
+	"sync"
+	"time"
+)
+
+var (
+	seededIDGen = rand.New(rand.NewSource(time.Now().UnixNano()))
+	// The golang rand generators are *not* intrinsically thread-safe.
+	seededIDLock sync.Mutex
+)
+
+func randomID() uint64 {
+	seededIDLock.Lock()
+	defer seededIDLock.Unlock()
+	return uint64(seededIDGen.Int63())
+}

session.go

@@ -74,6 +74,8 @@ type session struct {
 	// goroutines sync
 	grNum int32
 	lock  sync.RWMutex
+
+	pool *Pool
 }
 
 func newSession(endPoint EndPoint, conn Connection) *session {
@@ -245,6 +247,7 @@ func (s *session) SetRQLen(readQLen int) {
 	s.lock.Lock()
 	s.rQ = make(chan interface{}, readQLen)
 	log.Info("%s, [session.SetRQLen] rQ{len:%d, cap:%d}", s.Stat(), len(s.rQ), cap(s.rQ))
+	s.pool = NewPool(readQLen/2, 2, 1)
 	s.lock.Unlock()
 }
 
@@ -485,7 +488,10 @@ LOOP:
 			// read the s.rQ and assure (session)handlePackage gr will not block by (session)rQ.
 			if flag {
 				log.Debug("%#v <-s.rQ", inPkg)
-				s.listener.OnMessage(s, inPkg)
+				pkg := inPkg
+				s.pool.ScheduleTimeout(s.wait, func() {
+					s.listener.OnMessage(s, pkg)
+				})
 				s.incReadPkgNum()
 			} else {
 				log.Info("[session.handleLoop] drop readin package{%#v}", inPkg)