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/*
* Copyright (c) 2021, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
* The file implements the OTBR Agent.
*/
#define OTBR_LOG_TAG "APP"
#ifdef HAVE_LIBSYSTEMD
#include <systemd/sd-daemon.h>
#endif
#include "agent/application.hpp"
#include "common/code_utils.hpp"
#include "common/mainloop_manager.hpp"
namespace otbr {
std::atomic_bool Application::sShouldTerminate(false);
const struct timeval Application::kPollTimeout = {10, 0};
Application::Application(const std::string & aInterfaceName,
const std::string & aBackboneInterfaceName,
const std::vector<const char *> &aRadioUrls,
bool aEnableAutoAttach)
: mInterfaceName(aInterfaceName)
, mBackboneInterfaceName(aBackboneInterfaceName)
, mNcp(mInterfaceName.c_str(), aRadioUrls, mBackboneInterfaceName.c_str(), /* aDryRun */ false, aEnableAutoAttach)
#if OTBR_ENABLE_BORDER_AGENT
, mBorderAgent(mNcp)
#endif
#if OTBR_ENABLE_BACKBONE_ROUTER
, mBackboneAgent(mNcp, aInterfaceName, aBackboneInterfaceName)
#endif
#if OTBR_ENABLE_OPENWRT
, mUbusAgent(mNcp)
#endif
#if OTBR_ENABLE_REST_SERVER
, mRestWebServer(mNcp)
#endif
#if OTBR_ENABLE_DBUS_SERVER && OTBR_ENABLE_BORDER_AGENT
, mDBusAgent(mNcp, mBorderAgent.GetPublisher())
#endif
#if OTBR_ENABLE_VENDOR_SERVER
, mVendorServer(mNcp)
#endif
{
}
void Application::Init(void)
{
mNcp.Init();
#if OTBR_ENABLE_BORDER_AGENT
mBorderAgent.Init();
#endif
#if OTBR_ENABLE_BACKBONE_ROUTER
mBackboneAgent.Init();
#endif
#if OTBR_ENABLE_OPENWRT
mUbusAgent.Init();
#endif
#if OTBR_ENABLE_REST_SERVER
mRestWebServer.Init();
#endif
#if OTBR_ENABLE_DBUS_SERVER
mDBusAgent.Init();
#endif
#if OTBR_ENABLE_VENDOR_SERVER
mVendorServer.Init();
#endif
}
void Application::Deinit(void)
{
#if OTBR_ENABLE_BORDER_AGENT
mBorderAgent.Deinit();
#endif
mNcp.Deinit();
}
otbrError Application::Run(void)
{
otbrError error = OTBR_ERROR_NONE;
otbrLogInfo("Border router agent started.");
#ifdef HAVE_LIBSYSTEMD
if (getenv("SYSTEMD_EXEC_PID") != nullptr)
{
otbrLogInfo("Notify systemd the service is ready.");
// Ignored return value as systemd recommends.
// See https://www.freedesktop.org/software/systemd/man/sd_notify.html
sd_notify(0, "READY=1");
}
#endif
#if OTBR_ENABLE_NOTIFY_UPSTART
if (getenv("UPSTART_JOB") != nullptr)
{
otbrLogInfo("Notify Upstart the service is ready.");
if (raise(SIGSTOP))
{
otbrLogWarning("Failed to notify Upstart.");
}
}
#endif
// allow quitting elegantly
signal(SIGTERM, HandleSignal);
while (!sShouldTerminate)
{
otbr::MainloopContext mainloop;
int rval;
mainloop.mMaxFd = -1;
mainloop.mTimeout = kPollTimeout;
FD_ZERO(&mainloop.mReadFdSet);
FD_ZERO(&mainloop.mWriteFdSet);
FD_ZERO(&mainloop.mErrorFdSet);
MainloopManager::GetInstance().Update(mainloop);
rval = select(mainloop.mMaxFd + 1, &mainloop.mReadFdSet, &mainloop.mWriteFdSet, &mainloop.mErrorFdSet,
&mainloop.mTimeout);
if (rval >= 0)
{
MainloopManager::GetInstance().Process(mainloop);
}
else if (errno != EINTR)
{
error = OTBR_ERROR_ERRNO;
otbrLogErr("select() failed: %s", strerror(errno));
break;
}
}
return error;
}
void Application::HandleSignal(int aSignal)
{
sShouldTerminate = true;
signal(aSignal, SIG_DFL);
}
} // namespace otbr
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