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 Thread network interface.
32 */
33
34 #include "thread_netif.hpp"
35
36 #include "instance/instance.hpp"
37
38 namespace ot {
39
ThreadNetif(Instance & aInstance)40 ThreadNetif::ThreadNetif(Instance &aInstance)
41 : Netif(aInstance)
42 , mIsUp(false)
43 {
44 }
45
Up(void)46 void ThreadNetif::Up(void)
47 {
48 VerifyOrExit(!mIsUp);
49
50 // Enable the MAC just in case it was disabled while the Interface was down.
51 Get<Mac::Mac>().SetEnabled(true);
52 #if OPENTHREAD_CONFIG_CHANNEL_MONITOR_ENABLE && OPENTHREAD_CONFIG_CHANNEL_MONITOR_AUTO_START_ENABLE
53 IgnoreError(Get<Utils::ChannelMonitor>().Start());
54 #endif
55 Get<MeshForwarder>().Start();
56
57 mIsUp = true;
58
59 SubscribeAllNodesMulticast();
60 IgnoreError(Get<Mle::MleRouter>().Enable());
61 IgnoreError(Get<Tmf::Agent>().Start());
62 #if OPENTHREAD_CONFIG_DNSSD_SERVER_ENABLE
63 IgnoreError(Get<Dns::ServiceDiscovery::Server>().Start());
64 #endif
65 #if OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE
66 IgnoreError(Get<Dns::Client>().Start());
67 #endif
68 #if OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE
69 IgnoreError(Get<Sntp::Client>().Start());
70 #endif
71 Get<Notifier>().Signal(kEventThreadNetifStateChanged);
72
73 exit:
74 return;
75 }
76
Down(void)77 void ThreadNetif::Down(void)
78 {
79 VerifyOrExit(mIsUp);
80
81 #if OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE
82 Get<Dns::Client>().Stop();
83 #endif
84 #if OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE
85 IgnoreError(Get<Sntp::Client>().Stop());
86 #endif
87 #if OPENTHREAD_CONFIG_DNSSD_SERVER_ENABLE
88 Get<Dns::ServiceDiscovery::Server>().Stop();
89 #endif
90 IgnoreError(Get<Tmf::Agent>().Stop());
91 IgnoreError(Get<Mle::MleRouter>().Disable());
92 RemoveAllExternalUnicastAddresses();
93 UnsubscribeAllExternalMulticastAddresses();
94 UnsubscribeAllRoutersMulticast();
95 UnsubscribeAllNodesMulticast();
96
97 mIsUp = false;
98 Get<MeshForwarder>().Stop();
99 #if OPENTHREAD_CONFIG_CHANNEL_MONITOR_ENABLE && OPENTHREAD_CONFIG_CHANNEL_MONITOR_AUTO_START_ENABLE
100 IgnoreError(Get<Utils::ChannelMonitor>().Stop());
101 #endif
102 Get<Notifier>().Signal(kEventThreadNetifStateChanged);
103
104 exit:
105 return;
106 }
107
108 } // namespace ot
109