mirror of
https://blitiri.com.ar/repos/chasquid
synced 2025-12-17 14:37:02 +00:00
5bb17c7066
This patch updates all build tag constraints to add the new format, alongside the old one, to maintain backwards compatibility. This was done by using `go fmt`. See https://go.dev/doc/go1.17#gofmt and https://golang.org/design/draft-gobuild for more details.
111 lines
1.7 KiB
Go
111 lines
1.7 KiB
Go
//go:build ignore
|
|
// +build ignore
|
|
|
|
// SMTP connection generator, for testing purposes.
|
|
package main
|
|
|
|
import (
|
|
"flag"
|
|
"net"
|
|
"net/http"
|
|
"net/smtp"
|
|
"time"
|
|
|
|
"golang.org/x/net/trace"
|
|
|
|
_ "net/http/pprof"
|
|
|
|
"blitiri.com.ar/go/log"
|
|
)
|
|
|
|
var (
|
|
addr = flag.String("addr", "",
|
|
"server address")
|
|
httpAddr = flag.String("http_addr", "localhost:8011",
|
|
"monitoring HTTP server listening address")
|
|
wait = flag.Bool("wait", false,
|
|
"don't exit after --run_for has lapsed")
|
|
count = flag.Int("count", 1000,
|
|
"how many connections to open")
|
|
)
|
|
|
|
var (
|
|
host string
|
|
exit bool
|
|
)
|
|
|
|
func main() {
|
|
var err error
|
|
|
|
flag.Parse()
|
|
log.Init()
|
|
|
|
host, _, err = net.SplitHostPort(*addr)
|
|
if err != nil {
|
|
log.Fatalf("failed to split --addr=%q: %v", *addr, err)
|
|
}
|
|
|
|
if *wait {
|
|
go http.ListenAndServe(*httpAddr, nil)
|
|
log.Infof("monitoring address: http://%v/debug/requests?fam=one&b=11",
|
|
*httpAddr)
|
|
}
|
|
|
|
log.Infof("creating %d simultaneous connections", *count)
|
|
conns := []*C{}
|
|
for i := 0; i < *count; i++ {
|
|
c, err := newC()
|
|
if err != nil {
|
|
log.Fatalf("failed to connect #%d: %v", i, err)
|
|
}
|
|
|
|
conns = append(conns, c)
|
|
|
|
if i%200 == 0 {
|
|
log.Infof(" ... %d connections", i)
|
|
|
|
}
|
|
}
|
|
log.Infof("done, created %d simultaneous connections", *count)
|
|
|
|
if *wait {
|
|
for {
|
|
time.Sleep(24 * time.Hour)
|
|
}
|
|
}
|
|
}
|
|
|
|
type C struct {
|
|
tr trace.Trace
|
|
n net.Conn
|
|
s *smtp.Client
|
|
}
|
|
|
|
func newC() (*C, error) {
|
|
tr := trace.New("conn", *addr)
|
|
|
|
conn, err := net.Dial("tcp", *addr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
client, err := smtp.NewClient(conn, host)
|
|
if err != nil {
|
|
conn.Close()
|
|
return nil, err
|
|
}
|
|
|
|
err = client.Hello(host)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &C{tr: tr, n: conn, s: client}, nil
|
|
}
|
|
|
|
func (c *C) close() {
|
|
c.tr.Finish()
|
|
c.s.Close()
|
|
c.n.Close()
|
|
}
|