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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.
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#include <stdio.h>
#include "mac/data_poll_sender.hpp"
#include "meshcop/commissioner.hpp"
#include "meshcop/dataset_manager.hpp"
#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 a network, in milliseconds.
*/
static constexpr uint32_t kJoinTime = 20 * 1000;
/**
* Time to advance for a commissioner to become active, in milliseconds.
*/
static constexpr uint32_t kPetitionTime = 5 * 1000;
/**
* Time to wait for a response, in milliseconds.
*/
static constexpr uint32_t kResponseTime = 1000;
/**
* Time to wait for the network to stabilize, in milliseconds.
*/
static constexpr uint32_t kStabilizeTime = 10 * 1000;
/**
* Time for the delay timer, in milliseconds.
*/
static constexpr uint32_t kDelayTimer = 60 * 1000;
/**
* Time to power down the DUT, in milliseconds.
*/
static constexpr uint32_t kPowerDownTime = 60 * 1000;
/**
* Time to wait for reattachment after restart, in milliseconds.
*/
static constexpr uint32_t kReattachTime = 150 * 1000;
/**
* PAN ID for the active dataset.
*/
static constexpr uint16_t kActivePanId = 0xFACE;
/**
* PAN ID for the pending dataset.
*/
static constexpr uint16_t kPendingPanId = 0xAFCE;
/**
* Primary channel.
*/
static constexpr uint8_t kPrimaryChannel = 11;
/**
* Secondary channel.
*/
static constexpr uint8_t kSecondaryChannel = 12;
/**
* Active Timestamp for the initial dataset.
*/
static constexpr uint64_t kInitialActiveTimestamp = 10;
/**
* Active Timestamp for the pending set.
*/
static constexpr uint64_t kPendingActiveTimestamp = 70;
/**
* Pending Timestamp for the pending set.
*/
static constexpr uint64_t kPendingTimestamp = 20;
void Test9_2_8(void)
{
/**
* 9.2.8 Commissioning - Persistent Active/Pending Operational Datasets
*
* 9.2.8.1 Topology
* - Commissioner
* - Leader
* - Router 1 (DUT)
* - MED 1 (DUT)
* - SED 1 (DUT)
*
* 9.2.8.2 Purpose & Description
* The purpose of this test case is to verify that after a reset, the DUT reattaches to the test network using
* parameters set in Active/Pending Operational Datasets.
*
* Spec Reference | V1.1 Section | V1.3.0 Section
* ----------------------------------------|--------------|---------------
* Updating the Active Operational Dataset | 8.7.4 | 8.7.4
*/
Core nexus;
Node &commissioner = nexus.CreateNode();
Node &leader = nexus.CreateNode();
Node &router1 = nexus.CreateNode();
Node &med1 = nexus.CreateNode();
Node &sed1 = nexus.CreateNode();
commissioner.SetName("COMMISSIONER");
leader.SetName("LEADER");
router1.SetName("ROUTER_1");
med1.SetName("MED_1");
sed1.SetName("SED_1");
SuccessOrQuit(Instance::SetGlobalLogLevel(kLogLevelNote));
Log("---------------------------------------------------------------------------------------");
Log("Step 1: All");
/**
* Step 1: All
* - Description: Ensure topology is formed correctly.
* - Pass Criteria: N/A.
*/
AllowLinkBetween(commissioner, leader);
AllowLinkBetween(leader, router1);
AllowLinkBetween(leader, med1);
AllowLinkBetween(leader, sed1);
{
MeshCoP::Dataset::Info dataset;
MeshCoP::Timestamp timestamp;
SuccessOrQuit(dataset.GenerateRandom(leader.GetInstance()));
timestamp.Clear();
timestamp.SetSeconds(kInitialActiveTimestamp);
dataset.Set<MeshCoP::Dataset::kActiveTimestamp>(timestamp);
dataset.Set<MeshCoP::Dataset::kChannel>(kPrimaryChannel);
dataset.Set<MeshCoP::Dataset::kPanId>(kActivePanId);
SuccessOrQuit(dataset.Update<MeshCoP::Dataset::kNetworkName>().Set("OpenThread"));
leader.Get<MeshCoP::ActiveDatasetManager>().SaveLocal(dataset);
}
leader.Get<ThreadNetif>().Up();
SuccessOrQuit(leader.Get<Mle::Mle>().Start());
nexus.AdvanceTime(kFormNetworkTime);
VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
commissioner.Join(leader, Node::kAsMed);
router1.Join(leader, Node::kAsFtd);
med1.Join(leader, Node::kAsMed);
sed1.Join(leader, Node::kAsSedWithFullNetData);
SuccessOrQuit(sed1.Get<DataPollSender>().SetExternalPollPeriod(100));
nexus.AdvanceTime(kJoinTime);
VerifyOrQuit(commissioner.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(router1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(med1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(sed1.Get<Mle::Mle>().IsAttached());
SuccessOrQuit(commissioner.Get<MeshCoP::Commissioner>().Start(nullptr, nullptr, nullptr));
nexus.AdvanceTime(kPetitionTime);
VerifyOrQuit(commissioner.Get<MeshCoP::Commissioner>().IsActive());
Log("---------------------------------------------------------------------------------------");
Log("Step 2: Commissioner");
/**
* Step 2: Commissioner
* - Description: Harness instructs device to send MGMT_PENDING_SET.req to the Leader Anycast or Routing Locator:
* - CoAP Request URI: coap://[<L>]:MM/c/ps
* - CoAP Payload:
* - valid Commissioner Session ID TLV
* - Pending Timestamp TLV: 20s
* - Active Timestamp TLV: 70s
* - Delay Timer TLV: 60s
* - Channel TLV: ‘Secondary’
* - PAN ID TLV: 0xAFCE
* - Pass Criteria: N/A.
*/
{
MeshCoP::Dataset::Info pendingDataset;
MeshCoP::Timestamp timestamp;
pendingDataset.Clear();
timestamp.Clear();
timestamp.SetSeconds(kPendingTimestamp);
pendingDataset.Set<MeshCoP::Dataset::kPendingTimestamp>(timestamp);
timestamp.Clear();
timestamp.SetSeconds(kPendingActiveTimestamp);
pendingDataset.Set<MeshCoP::Dataset::kActiveTimestamp>(timestamp);
pendingDataset.Set<MeshCoP::Dataset::kDelay>(kDelayTimer);
pendingDataset.Set<MeshCoP::Dataset::kChannel>(kSecondaryChannel);
pendingDataset.Set<MeshCoP::Dataset::kPanId>(kPendingPanId);
SuccessOrQuit(commissioner.Get<MeshCoP::PendingDatasetManager>().SendSetRequest(pendingDataset, nullptr, 0,
nullptr, nullptr));
}
nexus.AdvanceTime(kResponseTime);
Log("---------------------------------------------------------------------------------------");
Log("Step 3: Leader");
/**
* Step 3: Leader
* - Description: Automatically sends MGMT_PENDING_SET.rsq to the Commissioner.
* - Pass Criteria:
* - CoAP Response Code: 2.04 Changed
* - CoAP Payload: State TLV (value = Accept).
*/
Log("---------------------------------------------------------------------------------------");
Log("Step 4: Leader");
/**
* Step 4: Leader
* - Description: Automatically sends a multicast MLE Data Response to the DUT with the new network data, including
* the following TLVs:
* - Leader Data TLV: Data Version field incremented, Stable Version field incremented
* - Network Data TLV: Commissioner Data TLV (Stable flag set to 0, Border Agent Locator TLV, Commissioner
* Session ID TLV)
* - Active Timestamp TLV: 70s
* - Pending Timestamp TLV: 20s
* - Pass Criteria: N/A.
*/
nexus.AdvanceTime(kStabilizeTime);
Log("---------------------------------------------------------------------------------------");
Log("Step 5: DUT");
/**
* Step 5: DUT
* - Description: Automatically sends a MLE Data Request to request the full new network data.
* - Pass Criteria: The DUT MUST send a MLE Data Request to the Leader and include its current Active Timestamp.
*/
Log("---------------------------------------------------------------------------------------");
Log("Step 6: Leader");
/**
* Step 6: Leader
* - Description: Automatically sends a MLE Data Response including the following TLVs: Active Timestamp TLV,
* Pending Timestamp TLV, Active Operational Dataset TLV, Pending Operational Dataset TLV. Ensure enough time is
* allowed for network data to propagate to all devices.
* - Pass Criteria: N/A.
*/
nexus.AdvanceTime(kStabilizeTime);
Log("---------------------------------------------------------------------------------------");
Log("Step 7: User");
/**
* Step 7: User
* - Description: Powers down the DUT for 60 seconds.
* - Pass Criteria: N/A.
*/
router1.Reset();
med1.Reset();
sed1.Reset();
nexus.AdvanceTime(kPowerDownTime);
Log("---------------------------------------------------------------------------------------");
Log("Step 8: Leader, Commissioner");
/**
* Step 8: Leader, Commissioner
* - Description: After Delay Timer expires, the network moves to Channel = ‘Secondary’, PAN ID: 0xAFCE.
* - Pass Criteria: N/A.
*/
nexus.AdvanceTime(kDelayTimer);
VerifyOrQuit(leader.Get<Mac::Mac>().GetPanId() == kPendingPanId);
VerifyOrQuit(leader.Get<Mac::Mac>().GetPanChannel() == kSecondaryChannel);
Log("---------------------------------------------------------------------------------------");
Log("Step 9: User");
/**
* Step 9: User
* - Description: Restarts the DUT.
* - Pass Criteria:
* - The DUT MUST attempt to reattach by sending Parent Request using the parameters from Active Operational
* Dataset (Channel = ‘Primary’, PANID: 0xFACE).
* - The DUT MUST then attach using the parameters from the Pending Operational Dataset (Channel = ‘Secondary’,
* PANID: 0xAFCE).
*/
AllowLinkBetween(router1, leader);
AllowLinkBetween(med1, leader);
AllowLinkBetween(sed1, leader);
SuccessOrQuit(router1.Get<Mle::Mle>().SetDeviceMode(Mle::DeviceMode(Mle::DeviceMode::kModeRxOnWhenIdle |
Mle::DeviceMode::kModeFullThreadDevice |
Mle::DeviceMode::kModeFullNetworkData)));
SuccessOrQuit(med1.Get<Mle::Mle>().SetDeviceMode(
Mle::DeviceMode(Mle::DeviceMode::kModeRxOnWhenIdle | Mle::DeviceMode::kModeFullNetworkData)));
SuccessOrQuit(sed1.Get<Mle::Mle>().SetDeviceMode(Mle::DeviceMode(Mle::DeviceMode::kModeFullNetworkData)));
router1.Get<ThreadNetif>().Up();
med1.Get<ThreadNetif>().Up();
sed1.Get<ThreadNetif>().Up();
SuccessOrQuit(sed1.Get<DataPollSender>().SetExternalPollPeriod(100));
SuccessOrQuit(router1.Get<Mle::Mle>().Start());
SuccessOrQuit(med1.Get<Mle::Mle>().Start());
SuccessOrQuit(sed1.Get<Mle::Mle>().Start());
nexus.AdvanceTime(kReattachTime);
VerifyOrQuit(router1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(med1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(sed1.Get<Mle::Mle>().IsAttached());
VerifyOrQuit(router1.Get<Mac::Mac>().GetPanId() == kPendingPanId);
VerifyOrQuit(med1.Get<Mac::Mac>().GetPanId() == kPendingPanId);
VerifyOrQuit(sed1.Get<Mac::Mac>().GetPanId() == kPendingPanId);
Log("---------------------------------------------------------------------------------------");
Log("Step 10: Commissioner");
/**
* Step 10: Commissioner
* - Description: Harness verifies connectivity by instructing the Commissioner to send an ICMPv6 Echo Request to
* the DUT mesh local address.
* - Pass Criteria: The DUT MUST respond with an ICMPv6 Echo Reply.
*/
nexus.SendAndVerifyEchoRequest(commissioner, router1.Get<Mle::Mle>().GetMeshLocalEid());
nexus.SendAndVerifyEchoRequest(commissioner, med1.Get<Mle::Mle>().GetMeshLocalEid());
nexus.SendAndVerifyEchoRequest(commissioner, sed1.Get<Mle::Mle>().GetMeshLocalEid(), 0, 64, 5000);
nexus.SaveTestInfo("test_1_1_9_2_8.json");
}
} // namespace Nexus
} // namespace ot
int main(void)
{
ot::Nexus::Test9_2_8();
printf("All tests passed\n");
return 0;
}