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Abtin Keshavarzian 064529cbfc [nexus] add helper to allow link between nodes in nexus (#12906)
Added `Core::AllowLinkBetween()` and `Core::UnallowLinkBetween()`
helper methods to the Nexus test platform. These methods simplify
establishing bidirectional links between nodes in simulation tests by
handling the reciprocal `AllowList()` calls in a single step.

Updated various Nexus test cases to utilize these new helpers,
replacing manual bidirectional `AllowList()` calls. This change
reduces verbosity and ensures consistency in how links are established
in the test topology.
2026-04-17 13:22:27 -05:00

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/*
* Copyright (c) 2026, The OpenThread Authors.
* All rights reserved.
*
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* 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
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#include <stdio.h>
#include "platform/nexus_core.hpp"
#include "platform/nexus_node.hpp"
namespace ot {
namespace Nexus {
/**
* Time to advance for a node to form a network and become leader, in milliseconds.
*/
static constexpr uint32_t kFormNetworkTime = 13 * 1000;
/**
* Time to advance for a node to join as a child and upgrade to a router, in milliseconds.
*/
static constexpr uint32_t kAttachToRouterTime = 200 * 1000;
/**
* Time to advance for the network to stabilize after routers have attached.
*/
static constexpr uint32_t kStabilizationTime = 10 * 1000;
/**
* Time to advance for a child to register its address.
*/
static constexpr uint32_t kChildUpdateWaitTime = 10 * 1000;
void Test7_1_4(const char *aJsonFile)
{
/**
* 7.1.4 Network data propagation – Border Router as Router in Thread network; registers new server data information
* after network is formed
*
* 7.1.4.1 Topology
* - MED_1 is configured to require complete network data. (Mode TLV)
* - SED_1 is configured to request only stable network data. (Mode TLV)
*
* 7.1.4.2 Purpose & Description
* The purpose of this test case is to verify that when global prefix information is set on the DUT, the DUT
* properly unicasts information to the Leader using COAP frame (Server Data Notification). In addition, the DUT
* must correctly set Network Data (stable/non-stable) aggregated and disseminated by the Leader and transmit it
* properly to all devices already attached to it.
*
* Spec Reference | V1.1 Section | V1.3.0 Section
* -------------------------------------------|-----------------|-----------------
* Thread Network Data / Stable Thread | 5.13 / 5.14 / | 5.13 / 5.14 /
* Network Data / Network Data and | 5.15 | 5.15
* Propagation | |
*/
Core nexus;
Node &leader = nexus.CreateNode();
Node &router1 = nexus.CreateNode();
Node &med1 = nexus.CreateNode();
Node &sed1 = nexus.CreateNode();
leader.SetName("LEADER");
router1.SetName("ROUTER_1");
med1.SetName("MED_1");
sed1.SetName("SED_1");
AllowLinkBetween(leader, router1);
AllowLinkBetween(router1, med1);
AllowLinkBetween(router1, sed1);
nexus.AdvanceTime(0);
SuccessOrQuit(Instance::SetGlobalLogLevel(kLogLevelNote));
/**
* Step 1: All
* - Description: Topology Ensure topology is formed correctly.
* - Pass Criteria: N/A
*/
Log("Step 1: All");
leader.Form();
nexus.AdvanceTime(kFormNetworkTime);
VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
router1.Join(leader, Node::kAsFtd);
nexus.AdvanceTime(kAttachToRouterTime);
VerifyOrQuit(router1.Get<Mle::Mle>().IsRouter());
med1.Join(router1, Node::kAsMed);
sed1.Join(router1, Node::kAsSed);
SuccessOrQuit(sed1.Get<DataPollSender>().SetExternalPollPeriod(1000));
nexus.AdvanceTime(kAttachToRouterTime);
VerifyOrQuit(med1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(sed1.Get<Mle::Mle>().IsAttached());
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 2: Router_1 (DUT)
* - Description: User configures the DUT with the following On-Mesh Prefix Set:
* - Prefix 1: P_prefix=2001::/64 P_stable=1 P_on_mesh=1 P_preferred=1 P_slaac=1 P_default=1
* - Prefix 2: P_prefix=2002::/64 P_stable=0 P_on_mesh=1 P_preferred=1 P_slaac=1 P_default=1
* - Pass Criteria: N/A
*/
Log("Step 2: Router_1 (DUT)");
{
NetworkData::OnMeshPrefixConfig config;
config.Clear();
SuccessOrQuit(config.GetPrefix().FromString("2001::/64"));
config.mStable = true;
config.mOnMesh = true;
config.mPreferred = true;
config.mSlaac = true;
config.mDefaultRoute = true;
SuccessOrQuit(router1.Get<NetworkData::Local>().AddOnMeshPrefix(config));
config.Clear();
SuccessOrQuit(config.GetPrefix().FromString("2002::/64"));
config.mStable = false;
config.mOnMesh = true;
config.mPreferred = true;
config.mSlaac = true;
config.mDefaultRoute = true;
SuccessOrQuit(router1.Get<NetworkData::Local>().AddOnMeshPrefix(config));
router1.Get<NetworkData::Notifier>().HandleServerDataUpdated();
}
/**
* Step 3: Router_1 (DUT)
* - Description: Automatically transmits a CoAP Server Data Notification to the Leader
* - Pass Criteria: The DUT MUST send a CoAP Server Data Notification frame with the server’s information (Prefix,
* Border Router) to the Leader:
* - CoAP Request URI: coap://[<Leader address>]:MM/a/sd
* - CoAP Payload: Network Data TLV
*/
Log("Step 3: Router_1 (DUT)");
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 4: Leader
* - Description: Automatically transmits a 2.04 Changed CoAP response to the DUT. Automatically multicasts a MLE
* Data Response, including the new information collected from the DUT.
* - Pass Criteria: N/A
*/
Log("Step 4: Leader");
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 5: Router_1 (DUT)
* - Description: Automatically sends new network data to MED_1
* - Pass Criteria: The DUT MUST send a multicast MLE Data Response, including the following TLVs:
* - At least two Prefix TLVs (Prefix 1 and Prefix 2):
* - 6LowPAN ID TLV
* - Border Router TLV
*/
Log("Step 5: Router_1 (DUT)");
nexus.AdvanceTime(kStabilizationTime);
/**
* Step 6: MED_1
* - Description: Automatically sends the address configured to Router_1 (DUT) via the Address Registration TLV,
* included as part of the Child Update request command.
* - Pass Criteria: The DUT MUST unicast MLE Child Update Response to MED_1, including the following TLVs:
* - Source Address TLV
* - Address Registration TLV (Echoes back the addresses MED_1 has configured)
* - Mode TLV
*/
Log("Step 6: MED_1");
nexus.AdvanceTime(kChildUpdateWaitTime);
/**
* Step 7: Router_1 (DUT)
* - Description: Automatically sends notification of new network data to SED_1 via a unicast MLE Child Update
* Request or MLE Data Response.
* - Pass Criteria: The DUT MUST unicast MLE Child Update Request or MLE Data Response to SED_1.
*/
Log("Step 7: Router_1 (DUT)");
nexus.AdvanceTime(kChildUpdateWaitTime);
/**
* Step 8: SED_1
* - Description: After receiving the MLE Data Response or MLE Child Update Request, automatically sends the global
* address configured to Router_1 (DUT), via the Address Registration TLV, included as part of the Child Update
* request command.
* - Pass Criteria: N/A
*/
Log("Step 8: SED_1");
nexus.AdvanceTime(kChildUpdateWaitTime);
/**
* Step 9: Router_1 (DUT)
* - Description: Automatically sends a Child Update Response to SED_1, echoing back the configured addresses
* reported by SED_1
* - Pass Criteria: The DUT MUST unicast MLE Child Update Response to SED_1. The following TLVs MUST be included in
* the Child Update Response:
* - Source Address TLV
* - Address Registration TLV (Echoes back the addresses SED_1 has configured)
* - Mode TLV
*/
Log("Step 9: Router_1 (DUT)");
nexus.AdvanceTime(kChildUpdateWaitTime);
nexus.SaveTestInfo(aJsonFile);
}
} // namespace Nexus
} // namespace ot
int main(int argc, char *argv[])
{
ot::Nexus::Test7_1_4((argc > 2) ? argv[2] : "test_1_1_7_1_4.json");
printf("All tests passed\n");
return 0;
}