改了一些东西。。

docs/protocol.md

@@ -60,7 +60,6 @@
 
 ```json5
 {
-  "id": "123123123123", //客户端ID，可选
   "username": "user", //用户名
   "password": "123456", //密码
 }

rpc/client.go

@@ -0,0 +1,120 @@
+package rpc
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+	"io"
+	"net"
+	"net/url"
+)
+
+type Client struct {
+	Url string
+
+	Encoding uint8 //JSON
+
+	id       uint16
+	conn     net.Conn
+	requests map[uint16]any
+}
+
+func (c *Client) Write(pack *Pack) error {
+	c.id++
+
+	c.conn.Write(pack.Header)
+}
+
+func (c *Client) Write2(typ uint8, data any) error {
+	header := make([]byte, 8)
+
+}
+
+func (c *Client) Request(request any) (response any, err error) {
+	header := make([]byte, 8)
+
+}
+
+func (c *Client) receive() {
+	buf := make([]byte, 8)
+	for {
+		//_ = c.conn.SetReadDeadline(time.Time{})
+		//n, err := c.conn.Read(buf)
+		n, err := io.ReadAtLeast(c.conn, buf, 8)
+		if err != nil {
+			break
+		}
+		if n < 8 {
+			break
+		}
+
+		if bytes.Compare(buf[:3], []byte(MAGIC)) != 0 {
+			break
+		}
+
+		l := int(binary.BigEndian.Uint16(buf[6:])) //长度
+		if l > 0 {
+			b := make([]byte, l)
+			//_ = c.conn.SetReadDeadline(time.Now().Add(time.Second * 30))
+			n, err = io.ReadAtLeast(c.conn, b, l)
+			if err != nil {
+				break
+			}
+			if n != l {
+				//长度不够，费包
+				break
+			}
+		}
+
+		tp := buf[3] >> 4
+		enc := buf[3] & 0xf
+
+		var pack Pack
+		pack.Decode(b)
+
+	}
+
+	//关闭连接
+	_ = c.conn.Close()
+
+}
+
+func (c *Client) Open() error {
+	//rpc://username:[email protected]:719
+	u, err := url.Parse(c.Url)
+	if err != nil {
+		return err
+	}
+
+	if u.Scheme != "rpc" {
+		return errors.New("协议错误")
+	}
+
+	if u.User == nil {
+		return errors.New("缺少用户名和密码")
+	}
+
+	c.conn, err = net.Dial("tcp", u.Hostname())
+	if err != nil {
+		return err
+	}
+
+	pack := Pack{
+		Type:     CONNECT,
+		Encoding: JSON,
+		Content: map[string]any{
+			"username": u.User.Username(),
+			"password": u.User.Password(),
+		},
+	}
+
+	err = c.Write(&pack)
+	if err != nil {
+		return err
+	}
+
+	//持续接收消息
+	go c.receive()
+
+	return nil
+}

rpc/pack.go

@@ -16,7 +16,7 @@ var ErrNotEnough = errors.New("长度不足")
 type Encoder func(any) ([]byte, error)
 type Decoder func([]byte, any) error
 
-const MAGIC = "rgc"
+const MAGIC = "rpc"
 
 const (
 	DISCONNECT uint8 = iota

rpc/stream.go

@@ -0,0 +1,4 @@
+package rpc
+
+type Stream struct {
+}