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 <openthread/platform/radio.h>
37
38 #include "coap/coap_message.hpp"
39 #include "common/as_core_type.hpp"
40 #include "common/code_utils.hpp"
41 #include "common/debug.hpp"
42 #include "common/instance.hpp"
43 #include "common/locator_getters.hpp"
44 #include "common/log.hpp"
45 #include "meshcop/meshcop_tlvs.hpp"
46 #include "thread/thread_netif.hpp"
47 #include "thread/uri_paths.hpp"
48
49 namespace ot {
50
51 RegisterLogModule("MeshCoP");
52
AnnounceBeginServer(Instance & aInstance)53 AnnounceBeginServer::AnnounceBeginServer(Instance &aInstance)
54 : AnnounceSenderBase(aInstance, AnnounceBeginServer::HandleTimer)
55 {
56 }
57
SendAnnounce(uint32_t aChannelMask,uint8_t aCount,uint16_t aPeriod)58 void AnnounceBeginServer::SendAnnounce(uint32_t aChannelMask, uint8_t aCount, uint16_t aPeriod)
59 {
60 SetChannelMask(Mac::ChannelMask(aChannelMask));
61 SetPeriod(aPeriod);
62 SetJitter(kDefaultJitter);
63 AnnounceSenderBase::SendAnnounce(aCount);
64 }
65
66 template <>
HandleTmf(Coap::Message & aMessage,const Ip6::MessageInfo & aMessageInfo)67 void AnnounceBeginServer::HandleTmf<kUriAnnounceBegin>(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
68 {
69 uint32_t mask;
70 uint8_t count;
71 uint16_t period;
72
73 VerifyOrExit(aMessage.IsPostRequest());
74 VerifyOrExit((mask = MeshCoP::ChannelMaskTlv::GetChannelMask(aMessage)) != 0);
75
76 SuccessOrExit(Tlv::Find<MeshCoP::CountTlv>(aMessage, count));
77 SuccessOrExit(Tlv::Find<MeshCoP::PeriodTlv>(aMessage, period));
78
79 SendAnnounce(mask, count, period);
80
81 if (aMessage.IsConfirmable() && !aMessageInfo.GetSockAddr().IsMulticast())
82 {
83 SuccessOrExit(Get<Tmf::Agent>().SendEmptyAck(aMessage, aMessageInfo));
84 LogInfo("Sent %s response", UriToString<kUriAnnounceBegin>());
85 }
86
87 exit:
88 return;
89 }
90
HandleTimer(Timer & aTimer)91 void AnnounceBeginServer::HandleTimer(Timer &aTimer)
92 {
93 aTimer.Get<AnnounceBeginServer>().AnnounceSenderBase::HandleTimer();
94 }
95
96 } // namespace ot
97
