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client.go
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/
client.go
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package main
import (
"bufio"
"bytes"
"fmt"
"io"
"net"
)
type Client struct {
conn net.Conn
s *Server
}
func (c *Client) handle(first Packet, scanner *bufio.Scanner) error {
if err := c.handlePacket(first); err != nil {
return err
}
for scanner.Scan() {
p, err := PacketFromBytes(scanner.Bytes())
if err != nil {
return err
}
if err := c.handlePacket(p); err != nil {
return err
}
}
return scanner.Err()
}
func (c *Client) sendPacket(p Packet) error {
b, err := p.Bytes()
if err != nil {
return err
}
_, err = io.Copy(c.conn, bytes.NewBuffer(b))
return err
}
func (c *Client) handlePacket(p Packet) error {
switch p.Type {
case SubmitJob:
args := p.Args()
handle := c.s.NewJob(string(args[0]), args[1], args[2], c)
return c.sendPacket(Packet{
Code: Res,
Type: JobCreated,
Data: []byte(handle),
})
default:
return fmt.Errorf("unsupported or invalid type for client %d", p.Type)
}
return fmt.Errorf("unreachable")
}