- build.sh: added --full flag for full rebuild (autoreconf + configure + make)
- build_direct.sh: incremental compilation (skips unchanged files)
- build_full.bat: new Windows batch for full rebuild
- configure.ac: fixed Windows detection using AC_COMPILE_IFELSE
- lib/u_async.c/h: Windows wakeup socket support, uasync_post for thread-safe callbacks
- src/tun_if.c/h: cross-platform TUN refactoring, Windows read thread support
- src/tun_windows.c: Windows TUN implementation improvements
- src/control_server.c: removed premature return statement
- src/routing.c: include ordering fix
- src/utun.c: windows compat includes
- Deleted obsolete net_emulator/Makefile and tinycrypt/Makefile
- Implement control_server.c/h for monitoring and management
- Add Windows-compatible uasync_poll using select() instead of WSAPoll
- Fix Wintun adapter creation to open existing adapters first
- Add debug category for control server operations
- Update build files to include control server in compilation
- Add test_control_server to test suite
- Переименовано поле allowed_subnets -> route_subnets в конфигурации
- Обновлен парсинг конфига: allowed_subnet -> route_subnet
- Создан новый модуль tun_route для управления системными маршрутами
- Linux: реализация через netlink sockets с fallback на ip route
- Windows: реализация через IP Helper API
- BSD: реализация через routing sockets с fallback на route
- При запуске: автоматическое добавление маршрутов route_subnet на TUN интерфейс
- При завершении: автоматическое удаление всех маршрутов через tun_route_flush
- Обновлены Makefile.am для сборки новых файлов
- Добавлена опция tun_test_mode в конфиг для работы без реального TUN устройства
- Добавлены функции для работы с очередями TUN в тестовом режиме
- Добавлен API для программного создания instance из структуры конфига
- Создан тест test_routing_mesh.c с 3-instance mesh топологией
- Ключи генерируются автоматически и распределяются между instance
- Remove sys/socket.h include from test_etcp_two_instances.c (Linux-only)
- Fix test_mkdtemp buffer overflow - use memcpy instead of strncpy
- Fix test_mkdtemp return value check (replace == NULL with != 0)
- Add Windows socket libraries (-lws2_32 -liphlpapi) to test builds
- All tests build successfully on Linux
- Split TUN implementation into platform-specific files:
- tun_if.c: Common code (queues, callbacks, statistics)
- tun_linux.c: Linux TUN/TAP implementation (/dev/net/tun + ioctl)
- tun_windows.c: Windows Wintun implementation (wintun.dll + IP Helper)
- Update tun_if.h with platform abstraction layer:
- tun_platform_init/cleanup/read/write/get_poll_fd
- Platform handles: fd (Linux), WINTUN handles (Windows)
- Windows implementation features:
- Dynamic loading of wintun.dll with graceful error handling
- IP Helper API for IP address and MTU configuration
- HANDLE-based uasync integration
- Clear error message if wintun.dll is not found
- Update build system:
- configure.ac: Detect Windows (mingw/msys/cygwin)
- src/Makefile.am: Conditional compilation of tun_linux/tun_windows
- tests/Makefile.am: Link platform-specific TUN objects
- Add wintun.dll and wintun.h to lib/ directory
- All 22 tests pass on Linux
- Ready for MSYS2 UCRT64 Windows build
- Add route_bgp.c/h with BGP-like route exchange functionality
- Implement route_bgp_init/destroy for module lifecycle
- Add route_bgp_new_conn to send routing table on connection
- Implement route_bgp_receive_cbk for processing incoming routes
- Add route_table_delete_entry for individual route removal
- Extend ROUTE_ENTRY with endpoint_ip, endpoint_port, destination_node_id
- Add DEBUG_CATEGORY_BGP to debug_config.h
- Integrate BGP initialization into utun_instance_create
- Call route_bgp_new_conn from etcp_connections on link init
- Create integration test test_bgp_route_exchange.c
- Add route_bgp_delete_entry tests to test_route_lib.c
- Update Makefiles to include new module
Route exchange tested and working in both directions (client-server)
Based on test_pkt_normalizer_etcp.c but uses high-level API:
- etcp_send() for sending packets via ETCP normalizer
- etcp_bind() for registering receive callbacks
- etcp_api_init()/etcp_api_deinit() for API lifecycle
NOTE: Test has current limitation - pkt_normalizer packer aggregates
packets into ~1536 byte chunks, exceeding ETCP max payload of 1480 bytes.
This causes encrypt_send to fail. The test demonstrates correct API usage
pattern but requires packer fix for full functionality.
- Build in build/ directory instead of source tree
- Main binary (utun) copied to project root
- Tests run from build/tests/ with config files copied there
- Test output redirected to build/tests/logs/*.log files
- Console shows only [PASS]/[FAIL]/[SKIP] status
- Incremental build works correctly
- make check runs all tests with summary
Changes:
- New root Makefile as wrapper for out-of-tree build
- Updated Makefile.am files for lib, src, tests
- Added tinycrypt-objects target for test dependencies
- Tests no longer clutter project root
Implemented:
- etcp_send(conn, entry) - отправляет пакет в очередь normalizer
- etcp_bind(id, callback) - подписка на пакеты с определенным ID
- etcp_unbind(id) - отписка от пакетов
- etcp_recv(queue, arg) - коллбэк для маршрутизации пакетов по ID
- etcp_api_init/deinit - инициализация API
Integration:
- pn_init() теперь устанавливает etcp_recv как callback для pn->output
- Добавлены etcp_api.c/h в src/Makefile.am
- Добавлен etcp_api.o в тестовые зависимости
API использует первый байт кодограммы (cmd) как ID для маршрутизации.
ID=0 используется как default handler если нет специфичного binding.
- Changed object file references from 'name.o' to 'utun-name.o' to match automake naming
- Added explicit rules for building TinyCrypt objects
- Added tinycrypt-objects target for building crypto dependencies
- Fixed test_etcp_simple_traffic.c: replaced etcp_send with etcp_int_send
- Fixed test_etcp_100_packets.c: replaced etcp_send with etcp_int_send
Test Results: All 19 tests PASS
- Fixed race condition: routing_add_conn called before etcp->normalizer was assigned
- Moved routing_add_conn from pn_init to etcp_connection_create after normalizer init
- Added routing.h include to etcp.c
- Fixed tests: disable routing callback on output_queue to keep packets for test verification
All 19 tests now pass.
- Add --with-openssl configure option (default: enabled)
- Update src/Makefile.am for conditional TinyCrypt compilation
- Update tests/Makefile.am for conditional test linking
- Add config.h include to secure_channel.c for USE_OPENSSL macro
- All 19 tests pass with both OpenSSL and TinyCrypt
- Fixed pkt_normalizer.c to send packets immediately instead of buffering
- Added queue_resume_callback() call in etcp.c after adding to output_queue
- Updated test to use simple checksum verification instead of pattern-based
- Added strict sequence order checking in test
- Reduced MAX_TEST_PACKET_SIZE to 1400 to fit in normalizer fragment
- Reduced TOTAL_PACKETS to 10 and TEST_TIMEOUT_MS to 5s for faster testing
- Created test_pkt_normalizer_etcp.c based on test_etcp_100_packets
- Tests bidirectional transfer of 100 packets (10-10000 bytes) via normalizer
- Fixed memory management bugs in pkt_normalizer.c:
* Fixed double-free in pn_buf_renew()
* Added pn_send_to_etcp() to properly create ETCP_FRAGMENT
* Fixed memory freeing in pn_unpacker_cb()
- Added test to Makefile.am
- Change xxx from 1 to 0, fixing pointer arithmetic in queue_resume_timeout_cb
- Update comments: callback receives struct ll_entry* not user data
- Rename payload field to data in struct ll_entry
- etcp: fix INFLIGHT_PACKET to ACK_PACKET type in etcp_conn_input
- debug: remove excessive DEBUG_ERROR/DEBUG_DEBUG messages
- tests: rewrite test_ll_queue.c for new architecture
- Fixed incorrect init_connections() call in test_etcp_simple_traffic.c (was calling server_instance instead of client_instance)
- Fixed double free in timeout_heap_pop() when handling deleted elements
- Enhanced NULL pointer safety in uasync_print_resources() by removing complex heap manipulation
- Added debug logging to timeout_heap_pop() for better error tracking
Test results: test_etcp_simple_traffic now passes without double free errors
- Added missing structure members to ETCP_CONN (ack_packets_count, last_rx_ack_id, rtt_history, rtt_history_idx, total_packets_sent)
- Added missing bandwidth member to ETCP_LINK structure
- Fixed include path for ll_queue.h header
- Added math library linking (-lm) to build system
- Added etcp_loadbalancer.c to build sources
- Fixed forward declarations and function calls in ETCP modules
- Updated test dependencies to include loadbalancer object files
All simple compilation errors resolved, project builds successfully and tests pass (except TUN permission test which is expected in container).
- Moved test configurations from main Makefile.am to tests/Makefile.am
- Fixed missing debug_config.c file in lib directory
- Updated lib/Makefile.am to include debug_config.c
- Tests now build correctly with 'make check'
- 2/3 tests passing (test_etcp_crypto, test_crypto)
- test_etcp_two_instances has connection timeout (separate networking issue)
Проблема: test_etcp_two_instances.c создает два экземпляра (сервер и клиент),
и оба пытаются привязаться к одному и тому же адресу 127.0.0.1:9001.
Реальная ошибка: bind: Address already in use
Причина: В ETCP архитектуре каждый экземпляр создает серверные сокеты на основе
конфигурации. В тесте оба процесса на одной машине, поэтому возникает конфликт портов.
Что сделано:
1. Добавлен вызов bind() в etcp_socket_add (был пропущен критический вызов)
2. Добавлена отладка для отслеживания жизненного цикла сокетов
3. Создан debug_socket_test.sh для мониторинга портов в реальном времени
4. Удалены лишние вызовы init_connections для устранения дублирования
Результат: Теперь видно, что сервер действительно слушает на 127.0.0.1:9001,
но клиент не может привязаться к тому же порту. Необходимо использовать
разные порты для сервера и клиента в тестовой среде.
- Fixed header includes (ll_queue.h, u_async.h, tinycrypt paths)
- Updated Makefile.am with proper CFLAGS and all dependencies
- Test compiles and runs successfully
Evgeny
jeka