xref: /aosp_15_r20/external/ot-br-posix/src/common/mainloop.cpp (revision 4a64e381480ef79f0532b2421e44e6ee336b8e0d)
1 /*
2  *    Copyright (c) 2021, The OpenThread Authors.
3  *    All rights reserved.
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8  *       notice, this list of conditions and the following disclaimer.
9  *    2. Redistributions in binary form must reproduce the above copyright
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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"
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27  */
28 
29 #include "common/mainloop.hpp"
30 #include "common/mainloop_manager.hpp"
31 
32 namespace otbr {
33 
MainloopProcessor(void)34 MainloopProcessor::MainloopProcessor(void)
35 {
36     MainloopManager::GetInstance().AddMainloopProcessor(this);
37 }
38 
~MainloopProcessor(void)39 MainloopProcessor::~MainloopProcessor(void)
40 {
41     MainloopManager::GetInstance().RemoveMainloopProcessor(this);
42 }
43 
AddFdToReadSet(int aFd)44 void MainloopContext::AddFdToReadSet(int aFd)
45 {
46     AddFdToSet(aFd, kReadFdSet);
47 }
48 
AddFdToSet(int aFd,uint8_t aFdSetsMask)49 void MainloopContext::AddFdToSet(int aFd, uint8_t aFdSetsMask)
50 {
51     bool isSet = false;
52 
53     if (aFdSetsMask & kErrorFdSet)
54     {
55         FD_SET(aFd, &mErrorFdSet);
56         isSet = true;
57     }
58     if (aFdSetsMask & kReadFdSet)
59     {
60         FD_SET(aFd, &mReadFdSet);
61         isSet = true;
62     }
63     if (aFdSetsMask & kWriteFdSet)
64     {
65         FD_SET(aFd, &mWriteFdSet);
66         isSet = true;
67     }
68 
69     if (isSet)
70     {
71         mMaxFd = std::max(mMaxFd, aFd);
72     }
73 }
74 
75 } // namespace otbr
76