/
mbclient.go
158 lines (124 loc) · 2.79 KB
/
mbclient.go
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package main
import (
"bufio"
"fmt"
"github.com/dustin/gomemcached"
"net"
"os"
"sync"
)
var wg sync.WaitGroup
func sendSet(key, value string) {
req := gomemcached.MCRequest{
Opcode: gomemcached.SET,
Cas: 938424885,
Opaque: 7242,
VBucket: 824,
Extras: []byte{},
Key: []byte(key),
Body: []byte(value),
}
conn, _ := net.Dial("tcp", "localhost:9955")
conn.Write(req.Bytes())
res := gomemcached.MCResponse{}
_, err := res.Receive(bufio.NewReader(conn), nil)
if err != nil {
fmt.Println("Error: ", err.Error())
}
fmt.Println(res.String())
conn.Close()
}
func sendSet(key string, value int) {
req := gomemcached.MCRequest{
Opcode: gomemcached.SET,
Cas: 938424885,
Opaque: 7242,
VBucket: 824,
Extras: []byte{},
Key: []byte(key),
Body: []byte(value),
}
conn, _ := net.Dial("tcp", "localhost:9955")
conn.Write(req.Bytes())
res := gomemcached.MCResponse{}
_, err := res.Receive(bufio.NewReader(conn), nil)
if err != nil {
fmt.Println("Error: ", err.Error())
}
fmt.Println(res.String())
conn.Close()
}
func sendGet(key string) {
req := gomemcached.MCRequest{
Opcode: gomemcached.GET,
Cas: 938424885,
Opaque: 7242,
VBucket: 824,
Extras: []byte{},
Key: []byte(key),
Body: []byte{},
}
conn, _ := net.Dial("tcp", "localhost:9955")
conn.Write(req.Bytes())
res := gomemcached.MCResponse{}
_, err := res.Receive(bufio.NewReader(conn), nil)
if err != nil {
fmt.Println("Error: ", err.Error())
}
fmt.Println(res.String())
value := string(res.Body[:len(res.Body)])
fmt.Println(value)
conn.Close()
}
func sendUnknownCommand() {
req := gomemcached.MCRequest{
Opcode: gomemcached.ADD,
Cas: 938424885,
Opaque: 7242,
VBucket: 824,
Extras: []byte{},
Key: []byte("key"),
Body: []byte("somevalue"),
}
conn, _ := net.Dial("tcp", "localhost:9955")
conn.Write(req.Bytes())
res := gomemcached.MCResponse{}
_, err := res.Receive(bufio.NewReader(conn), nil)
if err != nil {
fmt.Println("Error: ", err.Error())
}
fmt.Println(res.String())
conn.Close()
}
func sendMalformedCommand() {
req := "HERE ARE SOME BYTES TO SEE IF YOUR SERVER CAN HANDLE THEM!"
conn, _ := net.Dial("tcp", "localhost:9955")
conn.Write([]byte(req))
res := gomemcached.MCResponse{}
_, err := res.Receive(bufio.NewReader(conn), nil)
if err != nil {
fmt.Println("Error: ", err.Error())
}
fmt.Println(res.String())
conn.Close()
}
func client() {
sendUnknownCommand()
sendMalformedCommand()
sendSet("lynsey", 12345)
sendGet("lynsey")
sendSet("lynsey", "oh hello, oh world!")
sendGet("lynsey")
wg.Done()
}
func main() {
//
numClients := 1
wg.Add(numClients)
for i := 0; i < numClients; i++ {
client()
}
fmt.Fprintf(os.Stderr, "Waiting for clients...\n")
wg.Wait()
fmt.Println("All clients finished!")
}