38c9f229bc
stcp: ed25519 pubkey exchange in handshake, fix instance destroy segfault, fix chat_tcp_test
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- u_async.c: process immediate_queue BEFORE epoll_wait in uasync_poll
- stcp_link.c: defensive NULL etcp_conn/etcp_link in stcp_link_close
- utun_instance.c: move stcp_server_list_destroy_all to Phase J (before ETCP),
add deferred drain in both Phase J and L
- stcp.h/c: STCP_HS_ENC_CLIENT 6→38, STCP_HS_ENC_SERVER 7→39,
exchange ed25519_pubkey in both handshake directions
- etcp_connections.c: copy peer_ed25519 from STCP to ETCP_CONN in
etcp_link_enter_ready_tcp; guard link->etcp in tcp_link_close_cb
- chat_sync.c: fix lk->conn NULL dereference for TCP links
- test_stcp.c: update stcp_server_create/stcp_client_connect callsites
- tools/chat_tcp_test: change transport udp→tcp
2 months ago
d773f1724a
refactor: STCP connections as ETCP links (is_tcp)
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- Add is_tcp, tcp_link, tcp_reconnect_* fields to ETCP_LINK
- Remove transport_link from ETCP_CONN, add tcp_link_count
- stcp_link: replace embedded etcp_conn with pointer; add etcp_link backpointer
- stcp_link: link_rx_cb routes ETCP data to etcp_conn_input
- stcp_link: call on_close_cb in close
- New TCP functions: etcp_link_enter_ready_tcp, etcp_tcp_link_start_connect,
etcp_tcp_link_start_reconnect, tcp_link_close_cb, etcp_tcp_send
- etcp_link_new: handle NULL conn for TCP links; skip enter_init for TCP
- etcp_link_close: close stcp_link for TCP
- etcp_encrypt_send: redirect TCP to etcp_tcp_send (skips AES-CCM)
- tcp_server_on_link: create ETCP_LINK(is_tcp=1) + enter_ready_tcp
- etcp_connect: TCP addrs -> etcp_tcp_link_start_connect
- Remove ctx->tcp_link/tcp_ready
- test_stcp_traffic: find stcp_link via links->is_tcp instead of transport_link
- 66/68 tests pass; 2 STCP tests expected to fail (integration not complete)
2 months ago
8d9340c949
Refactor: Move mainloop from utun_instance to main
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Major architectural changes:
- utun_instance_run() now does single iteration instead of mainloop
- Added tun_read_callback() to handle TUN device packets
- Added utun_instance_register_sockets() for uasync integration
- Mainloop moved to main() with proper signal handling
- Removed parse config file functions from debug_config
- all fprintf replaced with DEBUG_* macros
Files changed:
- src/utun.c: Added mainloop, signal handlers, proper init order
- src/utun_instance.c: Added callback, socket registration, single-run
- src/utun_instance.h: Added declarations, tun_socket_id field
- u_async/debug_config.c: Removed file parsing and auto-reload
- u_async/debug_config.h: Removed file functions, added categories
- changelog.txt: Added all changes
Breaking changes:
- debug_parse_config_file() removed (use debug_parse_config() only)
- etcp crypto integration needs fixing (separate issue)
AGENTS.md principles followed:
- No backward compatibility preserved
- Removed 103+ lines of legacy code
- Added statistics tracking
- Clean architecture: create -> init -> register -> run -> destroy
9 months ago
evgeny
Evgeny