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gob.go
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/
gob.go
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package codec
import (
"bufio"
"encoding/gob"
"io"
"log"
)
type GobCodec struct {
conn io.ReadWriteCloser
buf *bufio.Writer
dec *gob.Decoder
enc *gob.Encoder
}
// NewGobCodec 创建gob编码器
func NewGobCodec(conn io.ReadWriteCloser) Codec {
buf := bufio.NewWriter(conn)
return &GobCodec{
conn: conn,
buf: buf,
dec: gob.NewDecoder(conn),
enc: gob.NewEncoder(buf),
}
}
func (c *GobCodec) Close() error {
return c.conn.Close()
}
func (c *GobCodec) ReadHeader(header *Header) error {
return c.dec.Decode(header)
}
func (c *GobCodec) ReadBody(body any) error {
return c.dec.Decode(body)
}
func (c *GobCodec) Write(header *Header, body any) (err error) {
defer func() {
_ = c.buf.Flush()
if err != nil {
_ = c.Close()
}
}()
if err := c.enc.Encode(header); err != nil {
log.Println("rpc codec: gob error encoding header: ", err)
return err
}
if err := c.enc.Encode(body); err != nil {
log.Println("rpc codec: gob error encoding body: ", err)
return err
}
return nil
}