// PutL3n4Addr stores the given service in the kvstore and returns the L3n4AddrID
// created for the given l3n4Addr. If baseID is different than 0, it tries to acquire that
// ID to the l3n4Addr.
func (d *Daemon) PutL3n4Addr(l3n4Addr types.L3n4Addr, baseID uint32) (*types.L3n4AddrID, error) {
log.Debugf("Resolving service %+v", l3n4Addr)
// Retrieve unique SHA256Sum for service
sha256Sum, err := l3n4Addr.SHA256Sum()
if err != nil {
return nil, err
}
svcPath := path.Join(common.ServicesKeyPath, sha256Sum)
// Lock that sha256Sum
lockKey, err := d.kvClient.LockPath(svcPath)
if err != nil {
return nil, err
}
defer lockKey.Unlock()
// After lock complete, get svc's path
rmsg, err := d.kvClient.GetValue(svcPath)
if err != nil {
return nil, err
}
sl4KV := types.L3n4AddrID{}
if rmsg != nil {
if err := json.Unmarshal(rmsg, &sl4KV); err != nil {
return nil, err
}
}
if sl4KV.ID == 0 {
sl4KV.L3n4Addr = l3n4Addr
if err := d.gasNewL3n4AddrID(&sl4KV, baseID); err != nil {
return nil, err
}
err = d.kvClient.SetValue(svcPath, sl4KV)
}
return &sl4KV, err
}
