本文整理汇总了Golang中github.com/couchbase/gomemcached.MCRequest.Extras方法的典型用法代码示例。如果您正苦于以下问题：Golang MCRequest.Extras方法的具体用法？Golang MCRequest.Extras怎么用？Golang MCRequest.Extras使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/couchbase/gomemcached.MCRequest的用法示例。
在下文中一共展示了MCRequest.Extras方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: TestTransmitReqWithExtMeta
func TestTransmitReqWithExtMeta(t *testing.T) {
// test data for extended metadata
ExtMetaStr := "extmeta"
b := bytes.NewBuffer([]byte{})
buf := bufio.NewWriter(b)
req := gomemcached.MCRequest{
Opcode: gomemcached.SET,
Cas: 938424885,
Opaque: 7242,
VBucket: 824,
Key: []byte("somekey"),
Body: []byte("somevalue"),
ExtMeta: []byte(ExtMetaStr),
}
// add length of extended metadata to the corresponding bytes in Extras
req.Extras = make([]byte, 30)
binary.BigEndian.PutUint32(req.Extras[28:30], len(ExtMetaStr))
// Verify nil transmit is OK
_, err := transmitRequest(nil, &req)
if err != errNoConn {
t.Errorf("Expected errNoConn 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
0x1e, // extra length = 30 = 0x1e
0x0, // reserved
0x3, 0x38, // vbucket
0x0, 0x0, 0x0, 0x35, // Length of value = 7(key) + 9(value) + 30(extras) + 7(extmeta) = 53 = 0x35
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',
'e', 'x', 't', 'm', 'e', 't', 'a'}
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())
}
}