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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package controlclient
import (
"bytes"
"compress/gzip"
"context"
"log"
"net/http"
"time"
"tailscale.com/util/goroutines"
)
func dumpGoroutinesToURL(c *http.Client, targetURL string) {
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
zbuf := new(bytes.Buffer)
zw := gzip.NewWriter(zbuf)
zw.Write(goroutines.ScrubbedGoroutineDump())
zw.Close()
req, err := http.NewRequestWithContext(ctx, "PUT", targetURL, zbuf)
if err != nil {
log.Printf("dumpGoroutinesToURL: %v", err)
return
}
req.Header.Set("Content-Encoding", "gzip")
t0 := time.Now()
_, err = c.Do(req)
d := time.Since(t0).Round(time.Millisecond)
if err != nil {
log.Printf("dumpGoroutinesToURL error: %v to %v (after %v)", err, targetURL, d)
} else {
log.Printf("dumpGoroutinesToURL complete to %v (after %v)", targetURL, d)
}
}
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