go-ceph/contrib/issue-109.go

47 lines
964 B
Go
Raw Normal View History

// issue-109.go: analyze memory leak when rados.Conn.Connect() fails.
//
// build with: go build issue-109.go
// test with: valgrind ./issue-109
package main
import (
"fmt"
"runtime"
"time"
"github.com/ceph/go-ceph/rados"
)
func main() {
for i := 1; i <= 100; i++ {
c, err := getConnection("127.0.0.1", "nobody", "secret")
if err != nil {
fmt.Printf("getConnection failed: %v\n", err)
} else {
c.Shutdown()
}
}
// force running the garbage collector
runtime.GC()
time.Sleep(time.Second)
}
func getConnection(monitors, user, key string) (*rados.Conn, error) {
conn, err := rados.NewConnWithUser(user)
if err != nil {
return nil, err
}
args := []string{"--client_mount_timeout", "15", "-m", monitors, "--key", key}
err = conn.ParseCmdLineArgs(args)
if err != nil {
return nil, fmt.Errorf("ParseCmdLineArgs: %v", err)
}
err = conn.Connect()
if err != nil {
return nil, fmt.Errorf("Connect: %v", err)
}
return conn, nil
}