Example #1
0
func TestTransmitReq(t *testing.T) {
	b := bytes.NewBuffer([]byte{})
	buf := bufio.NewWriter(b)

	req := gomemcached.MCRequest{
		Opcode:  gomemcached.SET,
		Cas:     938424885,
		Opaque:  7242,
		VBucket: 824,
		Extras:  []byte{},
		Key:     []byte("somekey"),
		Body:    []byte("somevalue"),
	}

	// Verify nil transmit is OK
	err := transmitRequest(nil, &req)
	if err != noConn {
		t.Errorf("Expected noConn with no conn, got %v", err)
	}

	err = transmitRequest(buf, &req)
	if err != nil {
		t.Fatalf("Error transmitting request: %v", err)
	}

	buf.Flush()

	expected := []byte{
		gomemcached.REQ_MAGIC, byte(gomemcached.SET),
		0x0, 0x7, // length of key
		0x0,       // extra length
		0x0,       // reserved
		0x3, 0x38, // vbucket
		0x0, 0x0, 0x0, 0x10, // Length of value
		0x0, 0x0, 0x1c, 0x4a, // opaque
		0x0, 0x0, 0x0, 0x0, 0x37, 0xef, 0x3a, 0x35, // CAS
		's', 'o', 'm', 'e', 'k', 'e', 'y',
		's', 'o', 'm', 'e', 'v', 'a', 'l', 'u', 'e'}

	if len(b.Bytes()) != req.Size() {
		t.Fatalf("Expected %v bytes, got %v", req.Size(),
			len(b.Bytes()))
	}

	if !reflect.DeepEqual(b.Bytes(), expected) {
		t.Fatalf("Expected:\n%#v\n  -- got -- \n%#v",
			expected, b.Bytes())
	}
}
Example #2
0
func BenchmarkTransmitReqNull(b *testing.B) {
	req := gomemcached.MCRequest{
		Opcode:  gomemcached.SET,
		Cas:     938424885,
		Opaque:  7242,
		VBucket: 824,
		Extras:  []byte{},
		Key:     []byte("somekey"),
		Body:    []byte("somevalue"),
	}

	b.SetBytes(int64(req.Size()))

	for i := 0; i < b.N; i++ {
		err := transmitRequest(ioutil.Discard, &req)
		if err != nil {
			b.Fatalf("Error transmitting request: %v", err)
		}
	}
}
Example #3
0
func BenchmarkTransmitReqLarge(b *testing.B) {
	bout := bytes.NewBuffer([]byte{})

	req := gomemcached.MCRequest{
		Opcode:  gomemcached.SET,
		Cas:     938424885,
		Opaque:  7242,
		VBucket: 824,
		Extras:  []byte{},
		Key:     []byte("somekey"),
		Body:    make([]byte, 24*1024),
	}

	b.SetBytes(int64(req.Size()))

	for i := 0; i < b.N; i++ {
		bout.Reset()
		buf := bufio.NewWriterSize(bout, req.Size()*2)
		err := transmitRequest(buf, &req)
		if err != nil {
			b.Fatalf("Error transmitting request: %v", err)
		}
	}
}