| // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "shill/kernel_bound_nlmessage.h" |
| |
| #include <netlink/msg.h> |
| |
| #include "shill/logging.h" |
| |
| namespace shill { |
| |
| KernelBoundNlMessage::~KernelBoundNlMessage() { |
| if (message_) { |
| nlmsg_free(message_); |
| message_ = NULL; |
| } |
| } |
| |
| bool KernelBoundNlMessage::Init() { |
| message_ = nlmsg_alloc(); |
| |
| if (!message_) { |
| LOG(ERROR) << "Couldn't allocate |message_|"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| int KernelBoundNlMessage::AddAttribute(int attrtype, int attrlen, |
| const void *data) { |
| if (!data) { |
| LOG(ERROR) << "NULL |data| parameter"; |
| return -1; |
| } |
| if (!message_) { |
| LOG(ERROR) << "NULL |message_|."; |
| return -1; |
| } |
| return nla_put(message_, attrtype, attrlen, data); |
| } |
| |
| uint32 KernelBoundNlMessage::sequence_number() const { |
| if (message_ && nlmsg_hdr(message_)) { |
| return nlmsg_hdr(message_)->nlmsg_seq; |
| } |
| return 0; |
| } |
| |
| } // namespace shill. |