/*
NNCP -- Node to Node copy, utilities for store-and-forward data exchange
-Copyright (C) 2016-2019 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2016-2021 Sergey Matveev <stargrave@stargrave.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
"golang.org/x/sys/unix"
)
-func (ctx *Ctx) LockDir(nodeId *NodeId, xx TRxTx) (*os.File, error) {
- ctx.ensureRxDir(nodeId)
- lockPath := filepath.Join(ctx.Spool, nodeId.String(), string(xx)) + ".lock"
+func (ctx *Ctx) LockDir(nodeId *NodeId, lockCtx string) (*os.File, error) {
+ if err := ctx.ensureRxDir(nodeId); err != nil {
+ return nil, err
+ }
+ lockPath := filepath.Join(ctx.Spool, nodeId.String(), lockCtx) + ".lock"
dirLock, err := os.OpenFile(
lockPath,
os.O_CREATE|os.O_WRONLY,
os.FileMode(0666),
)
if err != nil {
- ctx.LogE("lockdir", SDS{"path": lockPath, "err": err}, "")
+ ctx.LogE("lockdir-open", LEs{{"Path", lockPath}}, err, func(les LEs) string {
+ return "Locking directory: opening " + lockPath
+ })
return nil, err
}
err = unix.Flock(int(dirLock.Fd()), unix.LOCK_EX|unix.LOCK_NB)
if err != nil {
- ctx.LogE("lockdir", SDS{"path": lockPath, "err": err}, "")
+ ctx.LogE("lockdir-flock", LEs{{"Path", lockPath}}, err, func(les LEs) string {
+ return "Locking directory: locking " + lockPath
+ })
dirLock.Close()
return nil, err
}