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core: net/http_client — libcurl multi wrapper (stage 2)

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One HttpClient owns a small pool of workers, each with its own CURLM; an
easy handle lives on one worker for its life. Public start/pause/resume/
cancel enqueue a command + curl_multi_wakeup(); callbacks (on_head /
on_data / on_finished) run on the worker thread and return a DataAction
(proceed / pause / abort). Covers redirects (final-response head only),
ranges (inclusive ByteRange -> CURLOPT_RANGE), proxy/SOCKS5, basic/digest
auth, cookies, verbatim headers, stall detection, a coarse recv-rate cap,
and a curl_share DNS/TLS cache across workers. CURLcode + HTTP status ->
vdm::Error in net/curl_error. A probe is on_head returning abort: it
finishes successfully (head_complete), not canceled.

Tests drive tools/testserver: full GET, ranged 206, redirect chain, 404
-> not_found, connection refused -> connect_failed, HEAD probe + ranged
0-0 probe (no body), cancel mid-transfer, pause/resume completes. Skip
cleanly if testserver isn't in the tree.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01HPPSGhiArbvQgwC2DNiURS
This commit is contained in:
sami
2026-09-09 23:31:09 +04:00
co-authored by Claude Sonnet 5
parent e442c99130
commit bd1bc029f3
9 changed files with 1369 additions and 4 deletions
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core/tests/CMakeLists.txt
+14
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@@ -20,3 +20,17 @@ vdm_add_test(veloxcore_event_bus_test util/event_bus_test.cpp)
vdm_add_test(veloxcore_thread_pool_test util/thread_pool_test.cpp)
vdm_add_test(veloxcore_bytes_test util/bytes_test.cpp)
vdm_add_test(veloxcore_log_test util/log_test.cpp)
# net/ integration tests drive tools/testserver (lane PKG/QA). Skip cleanly if it isn't
# in the tree yet (lanes merge independently).
set(_testserver ${CMAKE_SOURCE_DIR}/tools/testserver/testserver.py)
vdm_add_test(veloxcore_http_client_test net/http_client_test.cpp)
target_include_directories(veloxcore_http_client_test PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/net)
if(EXISTS ${_testserver})
target_compile_definitions(veloxcore_http_client_test
PRIVATE VDM_TESTSERVER_PY="${_testserver}")
set_tests_properties(veloxcore_http_client_test PROPERTIES TIMEOUT 120)
else()
message(STATUS "veloxcore: tools/testserver not present; http_client_test will skip "
"its server-backed cases.")
endif()