You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
747 B
Go
37 lines
747 B
Go
package internal
|
|
|
|
import (
|
|
"zero/core/discov"
|
|
"zero/rpcx/internal/balancer/roundrobin"
|
|
"zero/rpcx/internal/resolver"
|
|
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/connectivity"
|
|
)
|
|
|
|
type DiscovClient struct {
|
|
conn *grpc.ClientConn
|
|
}
|
|
|
|
func NewDiscovClient(etcd discov.EtcdConf, opts ...ClientOption) (*DiscovClient, error) {
|
|
resolver.RegisterResolver(etcd)
|
|
opts = append(opts, WithDialOption(grpc.WithBalancerName(roundrobin.Name)))
|
|
conn, err := dial("discov:///", opts...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &DiscovClient{
|
|
conn: conn,
|
|
}, nil
|
|
}
|
|
|
|
func (c *DiscovClient) Next() (*grpc.ClientConn, bool) {
|
|
state := c.conn.GetState()
|
|
if state == connectivity.Ready {
|
|
return c.conn, true
|
|
} else {
|
|
return nil, false
|
|
}
|
|
}
|