1 /*
2 * Copyright (c) 2016, The OpenThread Authors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the copyright holder nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /**
30 * @file
31 * This file implements the Announce Begin Server.
32 */
33
34 #include "announce_begin_server.hpp"
35
36 #include "instance/instance.hpp"
37
38 namespace ot {
39
40 RegisterLogModule("MeshCoP");
41
AnnounceBeginServer(Instance & aInstance)42 AnnounceBeginServer::AnnounceBeginServer(Instance &aInstance)
43 : AnnounceSenderBase(aInstance, AnnounceBeginServer::HandleTimer)
44 {
45 }
46
SendAnnounce(uint32_t aChannelMask,uint8_t aCount,uint16_t aPeriod)47 void AnnounceBeginServer::SendAnnounce(uint32_t aChannelMask, uint8_t aCount, uint16_t aPeriod)
48 {
49 SetChannelMask(Mac::ChannelMask(aChannelMask));
50 SetPeriod(aPeriod);
51 SetJitter(kDefaultJitter);
52 AnnounceSenderBase::SendAnnounce(aCount);
53 }
54
55 template <>
HandleTmf(Coap::Message & aMessage,const Ip6::MessageInfo & aMessageInfo)56 void AnnounceBeginServer::HandleTmf<kUriAnnounceBegin>(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
57 {
58 uint32_t mask;
59 uint8_t count;
60 uint16_t period;
61
62 VerifyOrExit(aMessage.IsPostRequest());
63 SuccessOrExit(MeshCoP::ChannelMaskTlv::FindIn(aMessage, mask));
64
65 SuccessOrExit(Tlv::Find<MeshCoP::CountTlv>(aMessage, count));
66 SuccessOrExit(Tlv::Find<MeshCoP::PeriodTlv>(aMessage, period));
67
68 SendAnnounce(mask, count, period);
69
70 if (aMessage.IsConfirmable() && !aMessageInfo.GetSockAddr().IsMulticast())
71 {
72 SuccessOrExit(Get<Tmf::Agent>().SendEmptyAck(aMessage, aMessageInfo));
73 LogInfo("Sent %s response", UriToString<kUriAnnounceBegin>());
74 }
75
76 exit:
77 return;
78 }
79
HandleTimer(Timer & aTimer)80 void AnnounceBeginServer::HandleTimer(Timer &aTimer)
81 {
82 aTimer.Get<AnnounceBeginServer>().AnnounceSenderBase::HandleTimer();
83 }
84
85 } // namespace ot
86
