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66 lines
2.9 KiB
66 lines
2.9 KiB
# ADN DMR Peer Server - tests hbp hbp loop control
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#
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# Copyright (C) 2026 Rodrigo Pérez, CE5RPY <ce5rpy@qmd.cl>
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#
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###############################################################################
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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###############################################################################
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"""HBP vs HBP loop control (ingress packet control)."""
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from __future__ import annotations
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import pytest
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from tests.harness.assertions import assert_capture_unchanged, assert_inject_ok
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from tests.harness.deterministic import DeterministicScenario, PacketSpec, active_routing_table
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def test_hbp_loop_loser_when_other_hbp_owns_stream() -> None:
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"""Second HBP source loses when another MASTER slot already has RX_STREAM_ID."""
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bridges = active_routing_table(91, (("MASTER-A", 2), ("MASTER-B", 2)))
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scenario = DeterministicScenario(routing_table=bridges)
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stream_id = 0x41414141
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scenario.seed_hbp_slot_stream("MASTER-B", 2, stream_id, tgid=91)
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base = PacketSpec(dst_id=91, stream_id=stream_id, slot=2)
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scenario.inject_hbp("MASTER-A", DeterministicScenario.voice_head_spec(base))
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ok = scenario.inject_hbp(
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"MASTER-A",
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DeterministicScenario.voice_burst_spec(base, seq=1, dtype_vseq=1),
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)
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assert_inject_ok(ok, expected=False)
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assert scenario.protocols["MASTER-A"].STATUS[2].get("LOOPLOG") is True
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@pytest.mark.behavior
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def test_hbp_loop_winner_forwards_until_loser_detected() -> None:
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"""Regression: VHEAD bridges; loop loser burst does not add forwards."""
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bridges = active_routing_table(91, (("MASTER-A", 2), ("MASTER-B", 2)))
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scenario = DeterministicScenario(routing_table=bridges)
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stream_id = 0x42424242
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scenario.seed_hbp_slot_stream("MASTER-B", 2, stream_id, tgid=91)
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base = PacketSpec(dst_id=91, stream_id=stream_id, slot=2)
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scenario.inject_hbp("MASTER-A", DeterministicScenario.voice_head_spec(base))
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forwarded_after_vhead = len(scenario.capture.for_system("MASTER-B"))
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ok = scenario.inject_hbp(
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"MASTER-A",
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DeterministicScenario.voice_burst_spec(base, seq=1, dtype_vseq=1),
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)
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assert_capture_unchanged(scenario, "MASTER-B", forwarded_after_vhead)
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assert_inject_ok(ok, expected=False)
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