/
transport.go
101 lines (82 loc) · 2.18 KB
/
transport.go
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package sidecar
import (
"encoding/json"
"errors"
"fmt"
"io"
"net/url"
"strconv"
"github.com/Orlion/hersql/transport"
)
func (c *Conn) transportConnect() error {
form := url.Values{}
form.Set("addr", c.dsn.Addr)
form.Set("dbname", c.dsn.DBName)
form.Set("user", c.dsn.User)
form.Set("passwd", c.dsn.Passwd)
form.Set("collation", strconv.FormatUint(uint64(c.collation), 10))
body, err := c.callTransport("/connect", form)
if err != nil {
return err
}
response := new(transport.ConnectResponse)
if err := json.Unmarshal(body, response); err != nil {
return fmt.Errorf("transport response body unmarshal error: %w", err)
}
if !response.Success {
return errors.New(response.Msg)
}
c.transportRunid = response.Data.Runid
c.transportConnId = response.Data.ConnId
return nil
}
func (c *Conn) transportDisconnect() error {
form := url.Values{}
form.Set("runid", c.transportRunid)
form.Set("connId", strconv.FormatUint(c.transportConnId, 10))
body, err := c.callTransport("/disconnect", form)
if err != nil {
return err
}
response := new(transport.Response)
if err := json.Unmarshal(body, response); err != nil {
return fmt.Errorf("transport response body unmarshal error: %w", err)
}
if !response.Success {
return errors.New(response.Msg)
}
return nil
}
func (c *Conn) transport(data []byte) ([][]byte, error) {
form := url.Values{}
form.Set("runid", c.transportRunid)
form.Set("connId", strconv.FormatUint(c.transportConnId, 10))
form.Set("packet", string(data))
body, err := c.callTransport("/transport", form)
if err != nil {
return nil, err
}
response := new(transport.TransportResponse)
if err := json.Unmarshal(body, response); err != nil {
return nil, fmt.Errorf("transport response body unmarshal error: %w", err)
}
if !response.Success {
return nil, errors.New(response.Msg)
}
return response.Data, nil
}
func (c *Conn) callTransport(path string, form url.Values) ([]byte, error) {
var (
body []byte
)
resp, err := c.server.TransportClient.PostForm(c.server.TransportAddr+path, form)
if err != nil {
return nil, err
}
defer resp.Body.Close()
body, err = io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
return body, nil
}