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[nexus] migrate srp server reboot port test to nexus (openthread#12952)
This commit migrates the SRP server reboot port test from the thread-cert functional tests to the Nexus simulation framework. The new Nexus test 'test_srp_server_reboot_port.cpp' covers: - SRP server address mode configuration (Unicast). - SRP client auto-start discovery of the server. - SRP server reboot (disable/enable) without node reboot. - Verification that the server selects a new port after each reboot. - Robustness of service re-registration over 25 reboot iterations. The original Python test 'test_srp_server_reboot_port.py' is removed as its functionality is now fully covered by the Nexus test.
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‎tests/nexus/CMakeLists.txt‎

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@@ -413,6 +413,7 @@ ot_nexus_test(srp_lease "core;nexus")
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ot_nexus_test(srp_many_services_mtu_check "core;nexus")
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ot_nexus_test(srp_register_services_diff_lease "core;nexus")
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ot_nexus_test(srp_scale "core;nexus")
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ot_nexus_test(srp_server_reboot_port "core;nexus")
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ot_nexus_test(zero_len_external_route "core;nexus")
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# Trel

‎tests/nexus/test_srp_server_reboot_port.cpp‎

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/*
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* Copyright (c) 2026, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "platform/nexus_core.hpp"
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#include "platform/nexus_node.hpp"
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namespace ot {
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namespace Nexus {
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/**
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* Time to advance for a node to form a network and become leader, in milliseconds.
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*/
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static constexpr uint32_t kFormNetworkTime = 13 * 1000;
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/**
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* Time to advance for a node to join as a child and upgrade to a router.
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*/
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static constexpr uint32_t kAttachToRouterTime = 200 * 1000;
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/**
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* Time to advance for SRP server information to be updated in Network Data.
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*/
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static constexpr uint32_t kSrpServerInfoUpdateTime = 60 * 1000;
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/**
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* Time to advance for SRP registration, in milliseconds.
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*/
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static constexpr uint32_t kSrpRegistrationTime = 60 * 1000;
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/**
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* Number of reboot times.
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*/
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static constexpr uint16_t kRebootTimes = 25;
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void TestSrpServerRebootPort(void)
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{
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Core nexus;
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Node &client = nexus.CreateNode();
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Node &server = nexus.CreateNode();
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client.SetName("CLIENT");
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server.SetName("SERVER");
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nexus.AdvanceTime(0);
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SuccessOrQuit(Instance::SetGlobalLogLevel(kLogLevelNote));
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//
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// 0. Start the server & client devices.
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//
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Log("0. Start the server & client devices.");
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client.Get<Mle::Mle>().SetRouterUpgradeThreshold(2);
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server.Get<Mle::Mle>().SetRouterUpgradeThreshold(2);
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client.Form();
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nexus.AdvanceTime(kFormNetworkTime);
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server.Join(client);
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nexus.AdvanceTime(kAttachToRouterTime);
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VerifyOrQuit(server.Get<Mle::Mle>().IsRouter());
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SuccessOrQuit(server.Get<Srp::Server>().SetAddressMode(Srp::Server::kAddressModeUnicast));
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server.Get<Srp::Server>().SetEnabled(true);
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// Wait for SRP server to be running (published in network data)
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for (int i = 0; i < 10; i++)
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{
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nexus.AdvanceTime(10000);
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if (server.Get<Srp::Server>().GetState() == Srp::Server::kStateRunning)
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{
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break;
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}
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}
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VerifyOrQuit(server.Get<Srp::Server>().GetState() == Srp::Server::kStateRunning);
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//
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// 1. Check auto start mode on client and check that server is used.
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//
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Log("1. Check auto start mode on client and check that server is used.");
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// We set a host name so the client has something to register and thus "runs".
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SuccessOrQuit(client.Get<Srp::Client>().SetHostName("my-host"));
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client.Get<Srp::Client>().EnableAutoStartMode(nullptr, nullptr);
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nexus.AdvanceTime(kSrpRegistrationTime);
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VerifyOrQuit(client.Get<Srp::Client>().GetServerAddress().GetAddress() == server.Get<Mle::Mle>().GetMeshLocalEid());
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//
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// 2. Reboot the server without any service registered. The server should
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// switch to a new port after re-enabling.
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//
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Log("2. Reboot the server without any service registered.");
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{
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uint16_t oldPort = server.Get<Srp::Server>().GetPort();
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server.Get<Srp::Server>().SetEnabled(false);
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nexus.AdvanceTime(5000);
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server.Get<Srp::Server>().SetEnabled(true);
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nexus.AdvanceTime(kSrpServerInfoUpdateTime);
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VerifyOrQuit(server.Get<Srp::Server>().GetState() == Srp::Server::kStateRunning);
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VerifyOrQuit(server.Get<Srp::Server>().GetPort() != oldPort);
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}
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//
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// 3. Register a service
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//
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Log("3. Register a service");
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static Srp::Client::Service service;
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SuccessOrQuit(client.Get<Srp::Client>().EnableAutoHostAddress());
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memset(&service, 0, sizeof(service));
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service.mName = "_ipps._tcp";
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service.mInstanceName = "my-service";
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service.mPort = 12345;
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SuccessOrQuit(client.Get<Srp::Client>().AddService(service));
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nexus.AdvanceTime(kSrpRegistrationTime);
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// Reboot the SRP server several times
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for (uint16_t i = 0; i < kRebootTimes; i++)
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{
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Log("Reboot iteration %u", i);
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//
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// 4. Disable server and check client is stopped/disabled.
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//
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uint16_t oldPort = server.Get<Srp::Server>().GetPort();
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server.Get<Srp::Server>().SetEnabled(false);
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nexus.AdvanceTime(5000);
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//
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// 5. Enable server and check client starts again. Verify that the
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// server is using a different port, and the service have been
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// re-registered.
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//
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server.Get<Srp::Server>().SetEnabled(true);
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nexus.AdvanceTime(kSrpServerInfoUpdateTime);
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nexus.AdvanceTime(kSrpRegistrationTime);
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VerifyOrQuit(client.Get<Srp::Client>().GetHostInfo().GetState() == Srp::Client::kRegistered);
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VerifyOrQuit(server.Get<Srp::Server>().GetNextHost(nullptr)->GetServices().GetHead()->GetPort() == 12345);
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VerifyOrQuit(server.Get<Srp::Server>().GetPort() != oldPort);
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}
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Log("All steps completed.");
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}
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} // namespace Nexus
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} // namespace ot
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int main(void)
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{
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ot::Nexus::TestSrpServerRebootPort();
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printf("All tests passed\n");
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return 0;
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}

‎tests/scripts/thread-cert/test_srp_server_reboot_port.py‎

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