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/code_utils.hpp"
40 #include "common/debug.hpp"
41 #include "common/instance.hpp"
42 #include "common/locator_getters.hpp"
43 #include "common/logging.hpp"
44 #include "meshcop/meshcop_tlvs.hpp"
45 #include "thread/thread_netif.hpp"
46 #include "thread/uri_paths.hpp"
47
48 namespace ot {
49
AnnounceBeginServer(Instance & aInstance)50 AnnounceBeginServer::AnnounceBeginServer(Instance &aInstance)
51 : AnnounceSenderBase(aInstance, AnnounceBeginServer::HandleTimer)
52 , mAnnounceBegin(UriPath::kAnnounceBegin, &AnnounceBeginServer::HandleRequest, this)
53 {
54 Get<Tmf::Agent>().AddResource(mAnnounceBegin);
55 }
56
SendAnnounce(uint32_t aChannelMask,uint8_t aCount,uint16_t aPeriod)57 void AnnounceBeginServer::SendAnnounce(uint32_t aChannelMask, uint8_t aCount, uint16_t aPeriod)
58 {
59 SetChannelMask(Mac::ChannelMask(aChannelMask));
60 SetPeriod(aPeriod);
61 SetJitter(kDefaultJitter);
62 AnnounceSenderBase::SendAnnounce(aCount);
63 }
64
HandleRequest(void * aContext,otMessage * aMessage,const otMessageInfo * aMessageInfo)65 void AnnounceBeginServer::HandleRequest(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo)
66 {
67 static_cast<AnnounceBeginServer *>(aContext)->HandleRequest(*static_cast<Coap::Message *>(aMessage),
68 *static_cast<const Ip6::MessageInfo *>(aMessageInfo));
69 }
70
HandleRequest(Coap::Message & aMessage,const Ip6::MessageInfo & aMessageInfo)71 void AnnounceBeginServer::HandleRequest(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
72 {
73 uint32_t mask;
74 uint8_t count;
75 uint16_t period;
76 Ip6::MessageInfo responseInfo(aMessageInfo);
77
78 VerifyOrExit(aMessage.IsPostRequest());
79 VerifyOrExit((mask = MeshCoP::ChannelMaskTlv::GetChannelMask(aMessage)) != 0);
80
81 SuccessOrExit(Tlv::Find<MeshCoP::CountTlv>(aMessage, count));
82 SuccessOrExit(Tlv::Find<MeshCoP::PeriodTlv>(aMessage, period));
83
84 SendAnnounce(mask, count, period);
85
86 if (aMessage.IsConfirmable() && !aMessageInfo.GetSockAddr().IsMulticast())
87 {
88 SuccessOrExit(Get<Tmf::Agent>().SendEmptyAck(aMessage, responseInfo));
89 otLogInfoMeshCoP("sent announce begin response");
90 }
91
92 exit:
93 return;
94 }
95
HandleTimer(Timer & aTimer)96 void AnnounceBeginServer::HandleTimer(Timer &aTimer)
97 {
98 aTimer.Get<AnnounceBeginServer>().AnnounceSenderBase::HandleTimer();
99 }
100
101 } // namespace ot
102
