// Discover funtion discovers the server and returns the data sent by the server.
func (c *Client) Discover() (*Response, error) {
if c.Port == "" {
c.Port = "3456"
}
if c.BufSize <= 0 {
c.BufSize = 1024
}
if c.Timeout <= 0 {
c.Timeout = 2 * time.Minute
}
if c.Deadline <= 0 {
c.Deadline = 10 * time.Second
}
if c.Keepalive <= 0 {
c.Keepalive = 10 * time.Second
}
var err error
if c.Id == "" {
c.Id, err = rand.Uuid()
if err != nil {
return nil, e.Forward(err)
}
}
c.stopKa = make(chan chan struct{})
c.InitMCast()
err = c.getInt()
if err != nil {
return nil, e.Forward(err)
}
resp, err := c.getAddr()
if err != nil {
return nil, e.Forward(err)
}
return resp, nil
}
func Put(tx *bolt.Tx, bucket []byte, keys [][]byte, data []byte) error {
var err error
var buf []byte
var b *bolt.Bucket
b, err = tx.CreateBucketIfNotExists(bucket)
if err != nil {
return e.Forward(err)
}
if len(keys) == 0 {
return e.New("no keys")
}
if len(keys) >= 2 {
for i := 0; i < len(keys)-1; i++ {
buf = b.Get(keys[i])
if buf == nil {
id, err := rand.Uuid()
if err != nil {
return e.Forward(err)
}
buf = []byte(id)
err = b.Put(keys[i], buf)
if err != nil {
return e.Forward(err)
}
}
b, err = tx.CreateBucket(buf)
if e.Contains(err, "bucket already exists") {
b = tx.Bucket(buf)
} else if err != nil {
return e.Forward(err)
}
}
}
err = b.Put(keys[len(keys)-1], data)
if err != nil {
return e.Forward(err)
}
return nil
}