You can use callopt.WithHostPort
to specify host and port, supports two parameters:
host:port
, support IPv6
import "github.com/cloudwego/kitex/client/callopt"
...
resp, err := cli.Echo(context.Background(), req, callopt.WithHostPort("127.0.0.1:8888"))
if err != nil {
log.Fatal(err)
}
You can use callopt.WithURL
to specify a URL, which will be resolved by default DNS resolver to get host and port. It’s functionally equal to callopt.WithHostPort
.
import "github.com/cloudwego/kitex/client/callopt"
...
url := callopt.WithURL("http://myserverdomain.com:8888")
resp, err := cli.Echo(context.Background(), req, url)
if err != nil {
log.Fatal(err)
}
You can also use your own DNS resolver
resolver interface(pkg/http):
type Resolver interface {
Resolve(string) (string, error)
}
The only parameter is URL,return value should be “host:port”.
You can use client.WithHTTPResolver
to specify DNS resolver.
import "github.com/cloudwego/kitex/client/callopt"
...
dr := client.WithHTTPResolver(myResolver)
cli, err := echo.NewClient("echo", dr)
if err != nil {
log.Fatal(err)
}