// return a ConnectionPool instance, and for each server initializes a connection pool
func New(config *config.Config) (Pool, error) {
if len(config.Servers) == 0 {
return nil, errors.New("Memcached : Memcached Servers must not empty")
}
pool := &ConnectionPool{
pools: make([]chan *common.Conn, 0, len(config.Servers)),
config: config,
factory: factory.NewConnectionFactory(config),
consistent: selector.NewConsistent(config),
}
for i := 0; i < len(pool.config.Servers); i++ {
pool.pools = append(pool.pools, make(chan *common.Conn, pool.config.InitConns))
for j := 0; j < int(pool.config.InitConns / 2 + 1); j++ {
conn, err := pool.factory.NewTcpConnect(pool.config.Servers[i], i)
if err != nil {
return nil, err
} else {
pool.pools[i] <- conn
}
}
pool.consistent.Add(pool.config.Servers[i])
}
pool.consistent.RefreshTicker()
return pool, nil
}
func NewConsistent(c *config.Config) *Consistent {
return &Consistent{
config: c,
circle: list.New(),
numberOfReplicas: c.NumberOfReplicas,
factory: factory.NewConnectionFactory(c),
nodesStatus: make([]bool, len(c.Servers)),
}
}