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client_ping.go
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/
client_ping.go
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// Copyright (C) 2017 ScyllaDB
package scyllaclient
import (
"context"
"net"
"net/url"
"time"
"github.com/scylladb/scylla-operator/pkg/util/timeutc"
scyllaoperations "github.com/scylladb/scylladb-swagger-go-client/scylladb/gen/v1/client/operations"
)
// Ping checks if host is available using HTTP ping and returns RTT.
// Ping requests are not retried, use this function with caution.
func (c *Client) Ping(ctx context.Context, host string) (time.Duration, error) {
ctx = noRetry(ctx)
t := timeutc.Now()
err := c.ping(ctx, host)
return timeutc.Since(t), err
}
func (c *Client) newURL(host, path string) url.URL {
port := "80"
if c.config.Scheme == "https" {
port = "443"
}
return url.URL{
Scheme: c.config.Scheme,
Host: net.JoinHostPort(host, port),
Path: path,
}
}
func (c *Client) ping(ctx context.Context, host string) error {
_, err := c.scyllaClient.Operations.SystemUptimeMsGet(&scyllaoperations.SystemUptimeMsGetParams{
Context: forceHost(ctx, host),
})
if err != nil {
return err
}
return nil
}