go fmt

client.go

@@ -5,16 +5,18 @@
 package dsrpc
 
 import (
+	"context"
+	"crypto/tls"
 	"errors"
 	"fmt"
 	"io"
 	"net"
 	"sync"
 
-	encoder "github.com/vmihailenco/msgpack/v5"
+	encoder "encoding/json"
 )
 
-func Put(address string, method string, reader io.Reader, binSize int64, param, result any, auth *Auth) error {
+func Put(ctx context.Context, address string, method string, reader io.Reader, binSize int64, param, result any, auth *Auth) error {
 	var err error
 
 	addr, err := net.ResolveTCPAddr("tcp", address)
@@ -28,10 +30,22 @@ func Put(address string, method string, reader io.Reader, binSize int64, param,
 	}
 	defer conn.Close()
 
-	return ConnPut(conn, method, reader, binSize, param, result, auth)
+	return ConnPut(ctx, conn, method, reader, binSize, param, result, auth)
 }
 
-func ConnPut(conn net.Conn, method string, reader io.Reader, binSize int64, param, result any, auth *Auth) error {
+func PutTLS(ctx context.Context, tlsConfig *tls.Config, address string, method string, reader io.Reader, binSize int64, param, result any, auth *Auth) error {
+	var err error
+
+	conn, err := tls.Dial("tcp", address, tlsConfig)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	return ConnPut(ctx, conn, method, reader, binSize, param, result, auth)
+}
+
+func ConnPut(ctx context.Context, conn net.Conn, method string, reader io.Reader, binSize int64, param, result any, auth *Auth) error {
 	var err error
 	content := CreateContent(conn)
 
@@ -51,11 +65,11 @@ func ConnPut(conn net.Conn, method string, reader io.Reader, binSize int64, para
 
 	content.reqHeader.binSize = binSize
 
-	err = content.CreateRequest()
+	err = content.createRequest()
 	if err != nil {
 		return err
 	}
-	err = content.WriteRequest()
+	err = content.writeRequest()
 	if err != nil {
 		return err
 	}
@@ -64,24 +78,24 @@ func ConnPut(conn net.Conn, method string, reader io.Reader, binSize int64, para
 	errChan := make(chan error, 1)
 
 	wg.Add(1)
-	go content.ReadResponseAsync(&wg, errChan)
+	go content.readResponseAsync(&wg, errChan)
 
 	wg.Add(1)
-	go content.UploadBinAsync(&wg)
+	go content.uploadBinAsync(ctx, &wg)
 
 	wg.Wait()
 	err = <-errChan
 	if err != nil {
 		return err
 	}
-	err = content.BindResponse()
+	err = content.bindResponse()
 	if err != nil {
 		return err
 	}
 	return err
 }
 
-func Get(address string, method string, writer io.Writer, param, result any, auth *Auth) error {
+func Get(ctx context.Context, address string, method string, writer io.Writer, param, result any, auth *Auth) error {
 	var err error
 
 	addr, err := net.ResolveTCPAddr("tcp", address)
@@ -95,10 +109,22 @@ func Get(address string, method string, writer io.Writer, param, result any, aut
 	}
 	defer conn.Close()
 
-	return ConnGet(conn, method, writer, param, result, auth)
+	return ConnGet(ctx, conn, method, writer, param, result, auth)
 }
 
-func ConnGet(conn net.Conn, method string, writer io.Writer, param, result any, auth *Auth) error {
+func GetTLS(ctx context.Context, tlsConfig *tls.Config, address string, method string, writer io.Writer, param, result any, auth *Auth) error {
+	var err error
+
+	conn, err := tls.Dial("tcp", address, tlsConfig)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	return ConnGet(ctx, conn, method, writer, param, result, auth)
+}
+
+func ConnGet(ctx context.Context, conn net.Conn, method string, writer io.Writer, param, result any, auth *Auth) error {
 	var err error
 
 	content := CreateContent(conn)
@@ -116,30 +142,30 @@ func ConnGet(conn net.Conn, method string, writer io.Writer, param, result any,
 	content.binReader = conn
 	content.binWriter = writer
 
-	err = content.CreateRequest()
+	err = content.createRequest()
 	if err != nil {
 		return err
 	}
-	err = content.WriteRequest()
+	err = content.writeRequest()
 	if err != nil {
 		return err
 	}
-	err = content.ReadResponse()
+	err = content.readResponse()
 	if err != nil {
 		return err
 	}
-	err = content.DownloadBin()
+	err = content.downloadBin(ctx)
 	if err != nil {
 		return err
 	}
-	err = content.BindResponse()
+	err = content.bindResponse()
 	if err != nil {
 		return err
 	}
 	return err
 }
 
-func Exec(address, method string, param any, result any, auth *Auth) error {
+func Exec(ctx context.Context, address, method string, param any, result any, auth *Auth) error {
 	var err error
 
 	addr, err := net.ResolveTCPAddr("tcp", address)
@@ -153,14 +179,30 @@ func Exec(address, method string, param any, result any, auth *Auth) error {
 	}
 	defer conn.Close()
 
-	err = ConnExec(conn, method, param, result, auth)
+	err = ConnExec(ctx, conn, method, param, result, auth)
 	if err != nil {
 		return err
 	}
 	return err
 }
 
-func ConnExec(conn net.Conn, method string, param any, result any, auth *Auth) error {
+func ExecTLS(ctx context.Context, tlsConfig *tls.Config, address, method string, param any, result any, auth *Auth) error {
+	var err error
+
+	conn, err := tls.Dial("tcp", address, tlsConfig)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	err = ConnExec(ctx, conn, method, param, result, auth)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+func ConnExec(ctx context.Context, conn net.Conn, method string, param any, result any, auth *Auth) error {
 	var err error
 
 	content := CreateContent(conn)
@@ -176,26 +218,26 @@ func ConnExec(conn net.Conn, method string, param any, result any, auth *Auth) e
 		content.reqBlock.Auth = auth
 	}
 
-	err = content.CreateRequest()
+	err = content.createRequest()
 	if err != nil {
 		return err
 	}
-	err = content.WriteRequest()
+	err = content.writeRequest()
 	if err != nil {
 		return err
 	}
-	err = content.ReadResponse()
+	err = content.readResponse()
 	if err != nil {
 		return err
 	}
-	err = content.BindResponse()
+	err = content.bindResponse()
 	if err != nil {
 		return err
 	}
 	return err
 }
 
-func (content *Content) CreateRequest() error {
+func (content *Content) createRequest() error {
 	var err error
 
 	content.reqPacket.rcpPayload, err = content.reqBlock.Pack()
@@ -212,7 +254,7 @@ func (content *Content) CreateRequest() error {
 	return err
 }
 
-func (content *Content) WriteRequest() error {
+func (content *Content) writeRequest() error {
 	var err error
 	_, err = content.sockWriter.Write(content.reqPacket.header)
 	if err != nil {
@@ -225,13 +267,13 @@ func (content *Content) WriteRequest() error {
 	return err
 }
 
-func (content *Content) UploadBin() error {
+func (content *Content) uploadBin(ctx context.Context) error {
 	var err error
-	_, err = CopyBytes(content.binReader, content.binWriter, content.reqHeader.binSize)
+	_, err = CopyBytes(ctx, content.binReader, content.binWriter, content.reqHeader.binSize)
 	return err
 }
 
-func (content *Content) ReadResponse() error {
+func (content *Content) readResponse() error {
 	var err error
 
 	content.resPacket.header, err = ReadBytes(content.sockReader, headerSize)
@@ -250,16 +292,16 @@ func (content *Content) ReadResponse() error {
 	return err
 }
 
-func (content *Content) UploadBinAsync(wg *sync.WaitGroup) {
+func (content *Content) uploadBinAsync(ctx context.Context, wg *sync.WaitGroup) {
 	exitFunc := func() {
 		wg.Done()
 	}
 	defer exitFunc()
-	_, _ = CopyBytes(content.binReader, content.binWriter, content.reqHeader.binSize)
+	_, _ = CopyBytes(ctx, content.binReader, content.binWriter, content.reqHeader.binSize)
 	return
 }
 
-func (content *Content) ReadResponseAsync(wg *sync.WaitGroup, errChan chan error) {
+func (content *Content) readResponseAsync(wg *sync.WaitGroup, errChan chan error) {
 	var err error
 	exitFunc := func() {
 		errChan <- err
@@ -285,13 +327,13 @@ func (content *Content) ReadResponseAsync(wg *sync.WaitGroup, errChan chan error
 	return
 }
 
-func (content *Content) DownloadBin() error {
+func (content *Content) downloadBin(ctx context.Context) error {
 	var err error
-	_, err = CopyBytes(content.binReader, content.binWriter, content.resHeader.binSize)
+	_, err = CopyBytes(ctx, content.binReader, content.binWriter, content.resHeader.binSize)
 	return err
 }
 
-func (content *Content) BindResponse() error {
+func (content *Content) bindResponse() error {
 	var err error
 
 	err = encoder.Unmarshal(content.resPacket.rcpPayload, content.resBlock)

content.go

@@ -0,0 +1,145 @@
+/*
+ * Copyright 2022 Oleg Borodin  <borodin@unix7.org>
+ */
+
+package dsrpc
+
+import (
+	"io"
+	"net"
+	"time"
+)
+
+type Content struct {
+	start      time.Time
+	remoteHost string
+
+	sockReader io.Reader
+	sockWriter io.Writer
+
+	reqPacket *Packet
+	reqHeader *Header
+	reqBlock  *Request
+
+	resPacket *Packet
+	resHeader *Header
+	resBlock  *Response
+
+	binReader io.Reader
+	binWriter io.Writer
+}
+
+func CreateContent(conn net.Conn) *Content {
+	context := &Content{
+		start:      time.Now(),
+		sockReader: conn,
+		sockWriter: conn,
+
+		reqPacket: NewEmptyPacket(),
+		reqHeader: NewEmptyHeader(),
+		reqBlock:  NewEmptyRequest(),
+
+		resPacket: NewEmptyPacket(),
+		resHeader: NewEmptyHeader(),
+		resBlock:  NewEmptyResponse(),
+	}
+	return context
+}
+
+func (context *Content) Request() *Request {
+	return context.reqBlock
+}
+
+func (context *Content) RemoteHost() string {
+	return context.remoteHost
+}
+
+func (context *Content) Start() time.Time {
+	return context.start
+}
+
+func (context *Content) Method() string {
+	var method string
+	if context.reqBlock != nil {
+		method = context.reqBlock.Method
+	}
+	return method
+}
+
+func (context *Content) ReqRpcSize() int64 {
+	var size int64
+	if context.reqHeader != nil {
+		size = context.reqHeader.rpcSize
+	}
+	return size
+}
+
+func (context *Content) ReqBinSize() int64 {
+	var size int64
+	if context.reqHeader != nil {
+		size = context.reqHeader.binSize
+	}
+	return size
+}
+
+func (context *Content) ResBinSize() int64 {
+	var size int64
+	if context.resHeader != nil {
+		size = context.resHeader.binSize
+	}
+	return size
+}
+
+func (context *Content) ResRpcSize() int64 {
+	var size int64
+	if context.resHeader != nil {
+		size = context.resHeader.rpcSize
+	}
+	return size
+}
+
+func (context *Content) ReqSize() int64 {
+	var size int64
+	if context.reqHeader != nil {
+		size += context.reqHeader.binSize
+		size += context.reqHeader.rpcSize
+	}
+	return size
+}
+
+func (context *Content) ResSize() int64 {
+	var size int64
+	if context.resHeader != nil {
+		size += context.resHeader.binSize
+		size += context.resHeader.rpcSize
+	}
+	return size
+}
+
+func (context *Content) SetAuthIdent(ident []byte) {
+	context.reqBlock.Auth.Ident = ident
+}
+
+func (context *Content) SetAuthSalt(salt []byte) {
+	context.reqBlock.Auth.Salt = salt
+}
+
+func (context *Content) SetAuthHash(hash []byte) {
+	context.reqBlock.Auth.Hash = hash
+}
+
+func (context *Content) AuthIdent() []byte {
+	return context.reqBlock.Auth.Ident
+}
+
+func (context *Content) AuthSalt() []byte {
+	return context.reqBlock.Auth.Salt
+}
+
+func (context *Content) AuthHash() []byte {
+	return context.reqBlock.Auth.Hash
+}
+
+func (context *Content) Auth() *Auth {
+	return context.reqBlock.Auth
+}

example/api/hello.go

@@ -12,14 +12,7 @@ type HelloParams struct {
     Message string      `msgpack:"message" json:"message"`
 }
 
-func NewHelloParams() *HelloParams {
-    return &HelloParams{}
-}
-
 type HelloResult struct {
     Message string      `msgpack:"message" json:"message"`
 }
 
-func NewHelloResult() *HelloResult {
-    return &HelloResult{}
-}

example/cli/netcli.go

@@ -7,32 +7,40 @@
 package main
 
 import (
-    "fmt"
+	"context"
-    "github.com/kindsoldier/dsrpc"
+	"fmt"
-    "netsrv/api"
+	"time"
+
+	"github.com/kindsoldier/dsrpc"
+
+	"netsrv/api"
 )
 
 func main() {
 
-    err := exec()
+	err := exec()
-    if err != nil {
+	if err != nil {
-        fmt.Println("exec err:", err)
+		fmt.Println("exec err:", err)
-    }
+	}
 }
 
 func exec() error {
-    var err error
+	var err error
 
-    params := api.NewHelloParams()
+	params := api.HelloParams{
-    params.Message = "hello, server!"
+		Message: "hello, server!",
+	}
 
-    result := api.NewHelloResult()
+	result := api.HelloResult{}
 
-    err = dsrpc.Exec("127.0.0.1:8081", api.HelloMethod, params, result, nil)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
-    if err != nil {
+	defer cancel()
-        return err
-    }
 
-    fmt.Println("result:", result.Message)
+	err = dsrpc.Exec(ctx, "127.0.0.1:8081", api.HelloMethod, &params, &result, nil)
-    return err
+	if err != nil {
+		return err
+	}
+
+	fmt.Println("result:", result.Message)
+	return err
 }

example/go.mod

@@ -1,7 +1,5 @@
 module netsrv
 
-go 1.17
+go 1.19
 
-require github.com/kindsoldier/dsrpc v0.0.1
+require github.com/kindsoldier/dsrpc v1.2.1
-
-replace github.com/kindsoldier/dsrpc => ../

example/go.sum

@@ -1,10 +1,6 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/kindsoldier/dsrpc v1.2.1 h1:sw1a3MAD83Do1Fu+Dh+AHArrwVMgZ/KTLUWWTkQ6vj8=
+github.com/kindsoldier/dsrpc v1.2.1/go.mod h1:zYb5yYfE/18BYK+iCUNcpkZ4uArwUNNhwYkUK8xDHQk=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
-github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

example/srv/netsrv.go

@@ -8,8 +8,9 @@ package main
 
 import (
     "log"
-    "github.com/kindsoldier/dsrpc"
     "netsrv/api"
+
+    "github.com/kindsoldier/dsrpc"
 )
 
 func main() {
@@ -46,20 +47,19 @@ func NewController() *Controller {
     return &Controller{}
 }
 
-func (cont *Controller) HelloHandler(context *dsrpc.Context) error {
+func (cont *Controller) HelloHandler(content *dsrpc.Content) error {
     var err error
-    params := api.NewHelloParams()
+    params := api.HelloParams{}
-    err = context.BindParams(params)
+    err = content.BindParams(&params)
     if err != nil {
         return err
     }
-
     log.Println("hello message:", params.Message)
 
-    result := api.NewHelloResult()
+    result := api.HelloResult{
-    result.Message = "hello!"
+        Message: "hello, client!",
-
+    }
-    err = context.SendResult(result, 0)
+    err = content.SendResult(&result, 0)
     if err != nil {
         return err
     }

exec_test.go

@@ -6,6 +6,7 @@ package dsrpc
 
 import (
 	"bytes"
+	"context"
 	"encoding/json"
 	"errors"
 	"io"
@@ -16,26 +17,47 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+const HelloMethod string = "hello"
+
+type HelloParams struct {
+	Message string `json:"message" msgpack:"message"`
+}
+
+type HelloResult struct {
+	Message string `json:"message" msgpack:"message"`
+}
+
+const SaveMethod string = "save"
+
+type SaveParams HelloParams
+type SaveResult HelloResult
+
+const LoadMethod string = "load"
+
+type LoadParams HelloParams
+type LoadResult HelloResult
+
 func TestLocalExec(t *testing.T) {
 	var err error
-	params := NewHelloParams()
+	params := HelloParams{}
 	params.Message = "hello server!"
-	result := NewHelloResult()
+	result := HelloResult{}
 
 	auth := CreateAuth([]byte("qwert"), []byte("12345"))
 
-	err = LocalExec(HelloMethod, params, result, auth, helloHandler)
+	err = LocalExec(HelloMethod, &params, &result, auth, helloHandler)
 	require.NoError(t, err)
-	resultJSON, _ := json.Marshal(result)
+
-	logDebug("method result:", string(resultJSON))
+	resultJson, _ := json.Marshal(result)
+	logDebug("method result:", string(resultJson))
 }
 
 func TestLocalSave(t *testing.T) {
 	var err error
 
-	params := NewSaveParams()
+	params := SaveParams{}
 	params.Message = "save data!"
-	result := NewHelloResult()
+	result := SaveResult{}
 	auth := CreateAuth([]byte("qwert"), []byte("12345"))
 
 	var binSize int64 = 16
@@ -45,29 +67,35 @@ func TestLocalSave(t *testing.T) {
 
 	reader := bytes.NewReader(binBytes)
 
-	err = LocalPut(SaveMethod, reader, binSize, params, result, auth, saveHandler)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = LocalPut(ctx, SaveMethod, reader, binSize, &params, &result, auth, saveHandler)
 	require.NoError(t, err)
 
-	resultJSON, _ := json.Marshal(result)
+	resultJson, _ := json.Marshal(result)
-	logDebug("method result:", string(resultJSON))
+	logDebug("method result:", string(resultJson))
 }
 
 func TestLocalLoad(t *testing.T) {
 	var err error
 
-	params := NewLoadParams()
+	params := LoadParams{}
 	params.Message = "load data!"
-	result := NewHelloResult()
+	result := LoadResult{}
 	auth := CreateAuth([]byte("qwert"), []byte("12345"))
 
 	binBytes := make([]byte, 0)
 	writer := bytes.NewBuffer(binBytes)
 
-	err = LocalGet(LoadMethod, writer, params, result, auth, loadHandler)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = LocalGet(ctx, LoadMethod, writer, &params, &result, auth, loadHandler)
 	require.NoError(t, err)
 
-	resultJSON, _ := json.Marshal(result)
+	resultJson, _ := json.Marshal(result)
-	logDebug("method result:", string(resultJSON))
+	logDebug("method result:", string(resultJson))
 	logDebug("bin size:", len(writer.Bytes()))
 }
 
@@ -103,16 +131,16 @@ func BenchmarkNetPut(b *testing.B) {
 			clientSave()
 		}
 	}
-	b.SetParallelism(10)
+	b.SetParallelism(2000)
 	b.RunParallel(pBench)
 }
 
 func clientHello() error {
 	var err error
 
-	params := NewHelloParams()
+	params := HelloParams{}
 	params.Message = "hello server!"
-	result := NewHelloResult()
+	result := HelloResult{}
 	auth := CreateAuth([]byte("qwert"), []byte("12345"))
 
 	var binSize int64 = 16
@@ -120,22 +148,25 @@ func clientHello() error {
 	binBytes := make([]byte, binSize)
 	rand.Read(binBytes)
 
-	err = Exec("127.0.0.1:8081", HelloMethod, params, result, auth)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = Exec(ctx, "127.0.0.1:8081", HelloMethod, &params, &result, auth)
 	if err != nil {
 		logError("method err:", err)
 		return err
 	}
-	resultJSON, _ := json.Marshal(result)
+	resultJson, _ := json.Marshal(result)
-	logDebug("method result:", string(resultJSON))
+	logDebug("method result:", string(resultJson))
 	return err
 }
 
 func clientSave() error {
 	var err error
 
-	params := NewSaveParams()
+	params := SaveParams{}
 	params.Message = "save data!"
-	result := NewHelloResult()
+	result := SaveResult{}
 	auth := CreateAuth([]byte("qwert"), []byte("12345"))
 
 	var binSize int64 = 16
@@ -145,34 +176,40 @@ func clientSave() error {
 
 	reader := bytes.NewReader(binBytes)
 
-	err = Put("127.0.0.1:8081", SaveMethod, reader, binSize, params, result, auth)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = Put(ctx, "127.0.0.1:8081", SaveMethod, reader, binSize, &params, &result, auth)
 	if err != nil {
 		logError("method err:", err)
 		return err
 	}
-	resultJSON, _ := json.Marshal(result)
+	resultJson, _ := json.Marshal(result)
-	logDebug("method result:", string(resultJSON))
+	logDebug("method result:", string(resultJson))
 	return err
 }
 
 func clientLoad() error {
 	var err error
 
-	params := NewLoadParams()
+	params := LoadParams{}
 	params.Message = "load data!"
-	result := NewHelloResult()
+	result := LoadResult{}
 	auth := CreateAuth([]byte("qwert"), []byte("12345"))
 
 	binBytes := make([]byte, 0)
 	writer := bytes.NewBuffer(binBytes)
 
-	err = Get("127.0.0.1:8081", LoadMethod, writer, params, result, auth)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = Get(ctx, "127.0.0.1:8081", LoadMethod, writer, &params, &result, auth)
 	if err != nil {
 		logError("method err:", err)
 		return err
 	}
-	resultJSON, _ := json.Marshal(result)
+	resultJson, _ := json.Marshal(result)
-	logDebug("method result:", string(resultJSON))
+	logDebug("method result:", string(resultJson))
 	logDebug("bin size:", len(writer.Bytes()))
 	return err
 }
@@ -219,7 +256,7 @@ func auth(content *Content) error {
 	pass := []byte("12345")
 
 	auth := content.Auth()
-	logDebug("auth ", string(auth.JSON()))
+	logDebug("auth ", string(auth.Json()))
 
 	ok := CheckHash(ident, pass, reqSalt, reqHash)
 	logDebug("auth ok:", ok)
@@ -233,20 +270,23 @@ func auth(content *Content) error {
 
 func helloHandler(content *Content) error {
 	var err error
-	params := NewHelloParams()
+	params := HelloParams{}
 
-	err = content.BindParams(params)
+	err = content.BindParams(&params)
 	if err != nil {
 		return err
 	}
 
-	err = content.ReadBin(io.Discard)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = content.ReadBin(ctx, io.Discard)
 	if err != nil {
 		content.SendError(err)
 		return err
 	}
 
-	result := NewHelloResult()
+	result := HelloResult{}
 	result.Message = "hello, client!"
 
 	err = content.SendResult(result, 0)
@@ -258,9 +298,9 @@ func helloHandler(content *Content) error {
 
 func saveHandler(content *Content) error {
 	var err error
-	params := NewSaveParams()
+	params := SaveParams{}
 
-	err = content.BindParams(params)
+	err = content.BindParams(&params)
 	if err != nil {
 		return err
 	}
@@ -268,13 +308,16 @@ func saveHandler(content *Content) error {
 	bufferBytes := make([]byte, 0, 1024)
 	binWriter := bytes.NewBuffer(bufferBytes)
 
-	err = content.ReadBin(binWriter)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = content.ReadBin(ctx, binWriter)
 	if err != nil {
 		content.SendError(err)
 		return err
 	}
 
-	result := NewSaveResult()
+	result := SaveResult{}
 	result.Message = "saved successfully!"
 
 	err = content.SendResult(result, 0)
@@ -286,14 +329,17 @@ func saveHandler(content *Content) error {
 
 func loadHandler(content *Content) error {
 	var err error
-	params := NewSaveParams()
+	params := SaveParams{}
 
-	err = content.BindParams(params)
+	err = content.BindParams(&params)
 	if err != nil {
 		return err
 	}
 
-	err = content.ReadBin(io.Discard)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(5*time.Second))
+	defer cancel()
+
+	err = content.ReadBin(ctx, io.Discard)
 	if err != nil {
 		content.SendError(err)
 		return err
@@ -306,60 +352,19 @@ func loadHandler(content *Content) error {
 
 	binReader := bytes.NewReader(binBytes)
 
-	result := NewSaveResult()
+	result := SaveResult{}
 	result.Message = "load successfully!"
 
 	err = content.SendResult(result, binSize)
 	if err != nil {
 		return err
 	}
+
 	binWriter := content.BinWriter()
-	_, err = CopyBytes(binReader, binWriter, binSize)
+	_, err = CopyBytes(ctx, binReader, binWriter, binSize)
 	if err != nil {
 		return err
 	}
 
 	return err
 }
-
-const HelloMethod string = "hello"
-
-type HelloParams struct {
-	Message string `json:"message" msgpack:"message"`
-}
-
-func NewHelloParams() *HelloParams {
-	return &HelloParams{}
-}
-
-type HelloResult struct {
-	Message string `json:"message" msgpack:"message"`
-}
-
-func NewHelloResult() *HelloResult {
-	return &HelloResult{}
-}
-
-const SaveMethod string = "save"
-
-type SaveParams HelloParams
-type SaveResult HelloResult
-
-func NewSaveParams() *SaveParams {
-	return &SaveParams{}
-}
-func NewSaveResult() *SaveResult {
-	return &SaveResult{}
-}
-
-const LoadMethod string = "load"
-
-type LoadParams HelloParams
-type LoadResult HelloResult
-
-func NewLoadParams() *LoadParams {
-	return &LoadParams{}
-}
-func NewLoadResult() *LoadResult {
-	return &LoadResult{}
-}

go.mod

@@ -2,14 +2,10 @@ module github.com/kindsoldier/dsrpc
 
 go 1.19
 
-require (
+require github.com/stretchr/testify v1.8.2
-	github.com/stretchr/testify v1.8.1
-	github.com/vmihailenco/msgpack/v5 v5.3.5
-)
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -6,15 +6,10 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
-github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/vmihailenco/msgpack/v5 v5.3.5 h1:5gO0H1iULLWGhs2H5tbAHIZTV8/cYafcFOr9znI5mJU=
-github.com/vmihailenco/msgpack/v5 v5.3.5/go.mod h1:7xyJ9e+0+9SaZT0Wt1RGleJXzli6Q/V5KbhBonMG9jc=
-github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
-github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

header.go

@@ -44,16 +44,16 @@ func (hdr *Header) Pack() ([]byte, error) {
 	headerBytes := make([]byte, 0, headerSize)
 	headerBuffer := bytes.NewBuffer(headerBytes)
 
-	magicCodeABytes := encoderI64(hdr.magicCodeA)
+	magicCodeABytes := EncoderI64(hdr.magicCodeA)
 	headerBuffer.Write(magicCodeABytes)
 
-	rpcSizeBytes := encoderI64(hdr.rpcSize)
+	rpcSizeBytes := EncoderI64(hdr.rpcSize)
 	headerBuffer.Write(rpcSizeBytes)
 
-	binSizeBytes := encoderI64(hdr.binSize)
+	binSizeBytes := EncoderI64(hdr.binSize)
 	headerBuffer.Write(binSizeBytes)
 
-	magicCodeBBytes := encoderI64(hdr.magicCodeB)
+	magicCodeBBytes := EncoderI64(hdr.magicCodeB)
 	headerBuffer.Write(magicCodeBBytes)
 
 	return headerBuffer.Bytes(), err
@@ -77,10 +77,10 @@ func UnpackHeader(headerBytes []byte) (*Header, error) {
 	headerReader.Read(magicCodeBBytes)
 
 	header := &Header{
-		magicCodeA: decoderI64(magicCodeABytes),
+		magicCodeA: DecoderI64(magicCodeABytes),
-		rpcSize:    decoderI64(rpcSizeBytes),
+		rpcSize:    DecoderI64(rpcSizeBytes),
-		binSize:    decoderI64(binSizeBytes),
+		binSize:    DecoderI64(binSizeBytes),
-		magicCodeB: decoderI64(magicCodeBBytes),
+		magicCodeB: DecoderI64(magicCodeBBytes),
 	}
 
 	if header.magicCodeA != magicCodeA || header.magicCodeB != magicCodeB {
@@ -90,12 +90,12 @@ func UnpackHeader(headerBytes []byte) (*Header, error) {
 	return header, err
 }
 
-func encoderI64(i int64) []byte {
+func EncoderI64(i int64) []byte {
 	buffer := make([]byte, sizeOfInt64)
 	binary.BigEndian.PutUint64(buffer, uint64(i))
 	return buffer
 }
 
-func decoderI64(b []byte) int64 {
+func DecoderI64(b []byte) int64 {
 	return int64(binary.BigEndian.Uint64(b))
 }

request.go

@@ -8,7 +8,8 @@ package dsrpc
 
 import (
 	"encoding/json"
-	encoder "github.com/vmihailenco/msgpack/v5"
+
+	encoder "encoding/json"
 )
 
 type EmptyParams struct{}

response.go

@@ -7,7 +7,7 @@ package dsrpc
 import (
 	"encoding/json"
 
-	encoder "github.com/vmihailenco/msgpack/v5"
+	encoder "encoding/json"
 )
 
 type EmptyResult struct{}

server.go

@@ -6,6 +6,7 @@ package dsrpc
 
 import (
 	"context"
+	"crypto/tls"
 	"errors"
 	"fmt"
 	"io"
@@ -13,7 +14,7 @@ import (
 	"sync"
 	"time"
 
-	encoder "github.com/vmihailenco/msgpack/v5"
+	encoder "encoding/json"
 )
 
 type HandlerFunc = func(*Content) error
@@ -52,7 +53,7 @@ func (svc *Service) PostMiddleware(mw HandlerFunc) {
 	svc.postMw = append(svc.postMw, mw)
 }
 
-func (svc *Service) Handler(method string, handler HandlerFunc) {
+func (svc *Service) Handle(method string, handler HandlerFunc) {
 	svc.handlers[method] = handler
 }
 
@@ -94,6 +95,32 @@ func (svc *Service) Listen(address string) error {
 		default:
 		}
 		svc.wg.Add(1)
+		go svc.handleTCPConn(conn, svc.wg)
+	}
+	return err
+}
+
+func (svc *Service) ListenTLS(address string, tlsConfig *tls.Config) error {
+	var err error
+	logInfo("server listen:", address)
+
+	listener, err := tls.Listen("tcp", address, tlsConfig)
+	if err != nil {
+		err = fmt.Errorf("unable to start listener: %s", err)
+		return err
+	}
+
+	for {
+		conn, err := listener.Accept()
+		if err != nil {
+			logError("conn accept err:", err)
+		}
+		select {
+		case <-svc.ctx.Done():
+			return err
+		default:
+		}
+		svc.wg.Add(1)
 		go svc.handleConn(conn, svc.wg)
 	}
 	return err
@@ -116,9 +143,8 @@ func (svc *Service) Stop() error {
 	return err
 }
 
-func (svc *Service) handleConn(conn *net.TCPConn, wg *sync.WaitGroup) {
+func (svc *Service) handleTCPConn(conn *net.TCPConn, wg *sync.WaitGroup) {
 	var err error
-
 	if svc.keepalive {
 		err = conn.SetKeepAlive(true)
 		if err != nil {
@@ -133,6 +159,12 @@ func (svc *Service) handleConn(conn *net.TCPConn, wg *sync.WaitGroup) {
 			}
 		}
 	}
+	svc.handleConn(conn, wg)
+}
+
+func (svc *Service) handleConn(conn net.Conn, wg *sync.WaitGroup) {
+	var err error
+
 	content := CreateContent(conn)
 
 	remoteAddr := conn.RemoteAddr().String()
@@ -232,9 +264,9 @@ func (content *Content) BinSize() int64 {
 	return content.reqHeader.binSize
 }
 
-func (content *Content) ReadBin(writer io.Writer) error {
+func (content *Content) ReadBin(ctx context.Context, writer io.Writer) error {
 	var err error
-	_, err = CopyBytes(content.sockReader, writer, content.reqHeader.binSize)
+	_, err = CopyBytes(ctx, content.sockReader, writer, content.reqHeader.binSize)
 	return err
 }
 

tools.go

@@ -5,6 +5,7 @@
 package dsrpc
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"io"
@@ -16,7 +17,7 @@ func ReadBytes(reader io.Reader, size int64) ([]byte, error) {
 	return buffer[0:read], err
 }
 
-func CopyBytes(reader io.Reader, writer io.Writer, dataSize int64) (int64, error) {
+func CopyBytes(ctx context.Context, reader io.Reader, writer io.Writer, dataSize int64) (int64, error) {
 	var err error
 	var bSize int64 = 1024 * 16
 	var total int64 = 0
@@ -24,6 +25,12 @@ func CopyBytes(reader io.Reader, writer io.Writer, dataSize int64) (int64, error
 	buffer := make([]byte, bSize)
 
 	for {
+		select {
+		case <-ctx.Done():
+			return total, errors.New("break by context")
+		default:
+		}
+
 		if reader == nil {
 			return total, errors.New("reader is nil")
 		}

validate.go

@@ -5,6 +5,7 @@
 package dsrpc
 
 import (
+	"context"
 	"io"
 	"net"
 )
@@ -27,11 +28,11 @@ func LocalExec(method string, param, result any, auth *Auth, handler HandlerFunc
 		content.resBlock.Result = result
 	}
 
-	err = content.CreateRequest()
+	err = content.createRequest()
 	if err != nil {
 		return err
 	}
-	err = content.WriteRequest()
+	err = content.writeRequest()
 	if err != nil {
 		return err
 	}
@@ -39,11 +40,11 @@ func LocalExec(method string, param, result any, auth *Auth, handler HandlerFunc
 	if err != nil {
 		return err
 	}
-	err = content.ReadResponse()
+	err = content.readResponse()
 	if err != nil {
 		return err
 	}
-	err = content.BindResponse()
+	err = content.bindResponse()
 	if err != nil {
 		return err
 	}
@@ -51,7 +52,7 @@ func LocalExec(method string, param, result any, auth *Auth, handler HandlerFunc
 	return err
 }
 
-func LocalPut(method string, reader io.Reader, size int64, param, result any, auth *Auth, handler HandlerFunc) error {
+func LocalPut(ctx context.Context, method string, reader io.Reader, size int64, param, result any, auth *Auth, handler HandlerFunc) error {
 
 	var err error
 
@@ -75,15 +76,15 @@ func LocalPut(method string, reader io.Reader, size int64, param, result any, au
 
 	content.reqHeader.binSize = size
 
-	err = content.CreateRequest()
+	err = content.createRequest()
 	if err != nil {
 		return err
 	}
-	err = content.WriteRequest()
+	err = content.writeRequest()
 	if err != nil {
 		return err
 	}
-	err = content.UploadBin()
+	err = content.uploadBin(ctx)
 	if err != nil {
 		return err
 	}
@@ -91,18 +92,18 @@ func LocalPut(method string, reader io.Reader, size int64, param, result any, au
 	if err != nil {
 		return err
 	}
-	err = content.ReadResponse()
+	err = content.readResponse()
 	if err != nil {
 		return err
 	}
-	err = content.BindResponse()
+	err = content.bindResponse()
 	if err != nil {
 		return err
 	}
 	return err
 }
 
-func LocalGet(method string, writer io.Writer, param, result any, auth *Auth, handler HandlerFunc) error {
+func LocalGet(ctx context.Context, method string, writer io.Writer, param, result any, auth *Auth, handler HandlerFunc) error {
 	var err error
 
 	cliConn, srvConn := NewFConn()
@@ -123,11 +124,11 @@ func LocalGet(method string, writer io.Writer, param, result any, auth *Auth, ha
 	content.binReader = cliConn
 	content.binWriter = writer
 
-	err = content.CreateRequest()
+	err = content.createRequest()
 	if err != nil {
 		return err
 	}
-	err = content.WriteRequest()
+	err = content.writeRequest()
 	if err != nil {
 		return err
 	}
@@ -136,15 +137,15 @@ func LocalGet(method string, writer io.Writer, param, result any, auth *Auth, ha
 	if err != nil {
 		return err
 	}
-	err = content.ReadResponse()
+	err = content.readResponse()
 	if err != nil {
 		return err
 	}
-	err = content.DownloadBin()
+	err = content.downloadBin(ctx)
 	if err != nil {
 		return err
 	}
-	err = content.BindResponse()
+	err = content.bindResponse()
 	if err != nil {
 		return err
 	}

xauth.go

@@ -26,7 +26,7 @@ func NewAuth() *Auth {
 	return &Auth{}
 }
 
-func (this *Auth) JSON() []byte {
+func (this *Auth) Json() []byte {
 	jBytes, _ := json.Marshal(this)
 	return jBytes
 }