raphael
2ea3ab796a
E84StateMachine had the full signal-level handshake but no timer
enforcement. In a real AMHS that's a deadlock: if equipment is slow to
assert L_REQ / U_REQ, or AMHS is slow to assert BUSY / COMPT, neither
side notices — the wires just sit stuck. SEMI E84 §6 mandates three
timers that bound each leg of the dance.
TA1 — armed in ValidAsserted, cancelled in Load/UnloadReady.
AMHS bounds how long equipment takes to acknowledge VALID.
TA2 — armed in Load/UnloadReady, cancelled in Transferring.
Equipment bounds how long AMHS takes to start the transfer.
TA3 — armed in Transferring, cancelled on Complete.
Equipment bounds the BUSY-phase duration.
The FSM stays I/O-free (it's the design invariant): arm/cancel are
delivered via callbacks, the application owns the asio::steady_timer,
and the application calls `fsm.on_timeout(id)` when its real clock
fires. Stale on_timeout calls (post-cancel race) are no-ops.
On expiry, the FSM transitions to a new `HandoffFault` state, records
the `E84Fault` reason, fires the optional fault_handler, and latches
the fault until `reset()`. Signal jitter on the wires cannot silently
clear a recorded handshake timeout — once you've crossed the timer,
you stop.
Defaults are all-zero, which disables arming. This is what every
existing test relies on, and what back-to-back simulation (no
wall-clock) needs. Production tools call `set_timeouts({2s, 2s, 60s})`
or whatever their port spec dictates.
12 new test cases / 59 assertions: arming per state, cancelling per
exit, expiry-to-fault for all three timers, ES cancels everything,
stale-expiry no-op, fault latching across signal jitter, and a
full-cycle arm/cancel trace.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
147 lines
4.5 KiB
CMake
147 lines
4.5 KiB
CMake
cmake_minimum_required(VERSION 3.20)
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project(secsgem LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release)
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endif()
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add_compile_options(-Wall -Wextra -Wpedantic)
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find_package(Threads REQUIRED)
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find_package(yaml-cpp REQUIRED)
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# --- Asio (standalone, header-only; from libasio-dev) ---------------------
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find_path(ASIO_INCLUDE_DIR asio.hpp)
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if(NOT ASIO_INCLUDE_DIR)
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message(FATAL_ERROR "asio.hpp not found. Install libasio-dev.")
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endif()
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add_library(asio INTERFACE)
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target_include_directories(asio INTERFACE ${ASIO_INCLUDE_DIR})
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target_compile_definitions(asio INTERFACE ASIO_STANDALONE ASIO_NO_DEPRECATED)
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target_link_libraries(asio INTERFACE Threads::Threads)
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# --- Core library ---------------------------------------------------------
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# --- Codegen: SECS-II message catalog -> messages.hpp ---------------------
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set(MESSAGES_HPP ${CMAKE_BINARY_DIR}/generated/secsgem/gem/messages.hpp)
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add_custom_command(
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OUTPUT ${MESSAGES_HPP}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/generated/secsgem/gem
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COMMAND python3 ${CMAKE_SOURCE_DIR}/tools/gen_messages.py
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--catalog ${CMAKE_SOURCE_DIR}/data/messages.yaml
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--out ${MESSAGES_HPP}
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DEPENDS ${CMAKE_SOURCE_DIR}/tools/gen_messages.py
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${CMAKE_SOURCE_DIR}/data/messages.yaml
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COMMENT "Generating SECS-II messages.hpp from data/messages.yaml"
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VERBATIM
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)
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add_custom_target(generate_messages DEPENDS ${MESSAGES_HPP})
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add_library(secsgem
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src/secs2/codec.cpp
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src/secs2/sml.cpp
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src/hsms/header.cpp
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src/hsms/connection.cpp
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src/secsi/header.cpp
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src/secsi/block.cpp
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src/secsi/protocol.cpp
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src/secsi/tcp_transport.cpp
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src/gem/control_state.cpp
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src/gem/communication_state.cpp
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src/gem/process_job_state.cpp
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src/gem/control_job_state.cpp
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src/gem/exception_state.cpp
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src/gem/carrier_state.cpp
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src/gem/load_port_state.cpp
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src/gem/substrate_state.cpp
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src/gem/ept_state.cpp
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src/gem/cem_objects.cpp
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src/gem/module_state.cpp
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src/gem/e84_state.cpp
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src/gem/host_handler.cpp
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src/config/loader.cpp
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src/endpoint.cpp
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)
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add_dependencies(secsgem generate_messages)
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target_include_directories(secsgem PUBLIC
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include
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${CMAKE_BINARY_DIR}/generated
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)
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target_link_libraries(secsgem PUBLIC asio yaml-cpp)
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# --- Demo executables -----------------------------------------------------
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add_executable(secs_server apps/secs_server.cpp)
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target_link_libraries(secs_server PRIVATE secsgem)
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add_executable(secs_client apps/secs_client.cpp)
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target_link_libraries(secs_client PRIVATE secsgem)
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add_executable(secs_interop_probe apps/secs_interop_probe.cpp)
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target_link_libraries(secs_interop_probe PRIVATE secsgem)
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add_executable(secs_conformance apps/secs_conformance.cpp)
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target_link_libraries(secs_conformance PRIVATE secsgem)
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# --- Tests ----------------------------------------------------------------
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enable_testing()
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include(FetchContent)
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FetchContent_Declare(
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doctest
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GIT_REPOSITORY https://github.com/doctest/doctest.git
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GIT_TAG v2.4.11
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)
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FetchContent_MakeAvailable(doctest)
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add_executable(secsgem_tests
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tests/test_main.cpp
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tests/test_secs2.cpp
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tests/test_fuzz.cpp
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tests/test_hsms.cpp
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tests/test_hsms_connection.cpp
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tests/test_hsms_timers.cpp
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tests/test_hsms_s9.cpp
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tests/test_hsms_gs.cpp
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tests/test_secsi.cpp
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tests/test_secsi_timers.cpp
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tests/test_secsi_tcp.cpp
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tests/test_host_handler.cpp
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tests/test_control_state.cpp
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tests/test_communication_state.cpp
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tests/test_data_model.cpp
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tests/test_messages.cpp
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tests/test_loader.cpp
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tests/test_process_jobs.cpp
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tests/test_control_jobs.cpp
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tests/test_job_persistence.cpp
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tests/test_exceptions.cpp
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tests/test_exception_persistence.cpp
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tests/test_carrier_state.cpp
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tests/test_carriers.cpp
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tests/test_carrier_persistence.cpp
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tests/test_substrates.cpp
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tests/test_substrate_persistence.cpp
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tests/test_ept.cpp
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tests/test_cem_objects.cpp
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tests/test_modules.cpp
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tests/test_sml.cpp
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tests/test_s9_fallback.cpp
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tests/test_e84.cpp
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tests/test_e84_ports.cpp
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tests/test_e84_timers.cpp
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tests/test_e42_formatted_pp.cpp
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tests/test_gem300_scenario.cpp
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tests/test_wire_ceid_emission.cpp
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tests/test_live_gem300.cpp
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tests/test_e87_wire_scenarios.cpp
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tests/test_identifier_wildcards.cpp
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tests/test_concurrency.cpp
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)
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target_link_libraries(secsgem_tests PRIVATE secsgem doctest::doctest)
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target_compile_definitions(secsgem_tests PRIVATE
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SECSGEM_DATA_DIR="${CMAKE_SOURCE_DIR}/data")
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add_test(NAME secsgem_tests COMMAND secsgem_tests)
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