fanquake
commented at 12:35 pm on January 26, 2026:
member
This builds on all the work being done by pinheadmz and fjahr (#32061, #34342, #34158), to demo a libevent-less bitcoind.
One thing we could decide to change, or not, is the libevent logging catergory. Other than that, any remaining references to libevent, should be in documentation/code comments.
DrahtBot
commented at 12:35 pm on January 26, 2026:
contributor
The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.
If you consider this pull request important, please also help to review the conflicting pull requests. Ideally, start with the one that should be merged first.
LLM Linter (✨ experimental)
Possible typos and grammar issues:
Unrecoverbale -> Unrecoverable [spelling error in comment makes the word invalid]
Possible places where named args for integral literals may be used (e.g. func(x, /*named_arg=*/0) in C++, and func(x, named_arg=0) in Python):
[LookupHost(m_host, 256, true)] in src/bitcoin-cli.cpp
[Lookup(i->first, i->second, false)] in src/httpserver.cpp
[Lookup(“aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaam2dqd.onion”, 0, false)] in src/test/httpserver_tests.cpp
[Lookup(“0.0.0.0”, 0, false)] in src/test/httpserver_tests.cpp
Possible places where comparison-specific test macros should replace generic comparisons:
[src/test/httpserver_tests.cpp] BOOST_CHECK_THROW(req.LoadControlData(reader), std::runtime_error) -> Use BOOST_CHECK_EXCEPTION(req.LoadControlData(reader), std::runtime_error, HasReason(“HTTP request line too short” or the exact expected message))
[src/test/httpserver_tests.cpp] BOOST_CHECK_THROW(req.LoadControlData(reader), std::runtime_error) -> Use BOOST_CHECK_EXCEPTION(req.LoadControlData(reader), std::runtime_error, HasReason(“HTTP request line malformed”))
[src/test/httpserver_tests.cpp] BOOST_CHECK_THROW(req.LoadControlData(reader), std::runtime_error) -> Use BOOST_CHECK_EXCEPTION(req.LoadControlData(reader), std::runtime_error, HasReason(“HTTP request line malformed”))
[src/test/httpserver_tests.cpp] BOOST_CHECK_THROW(req.LoadControlData(reader), std::runtime_error) -> Use BOOST_CHECK_EXCEPTION(req.LoadControlData(reader), std::runtime_error, HasReason(“HTTP request line malformed”))
[src/test/httpserver_tests.cpp] BOOST_CHECK_THROW(req.LoadBody(reader), std::runtime_error) -> Use BOOST_CHECK_EXCEPTION(req.LoadBody(reader), std::runtime_error, HasReason(“Improperly terminated chunk”))
No bare Python equality assertions needing replacement were found in the modified test/functional/ files.
2026-02-09 10:24:25
fanquake force-pushed
on Jan 26, 2026
DrahtBot added the label
CI failed
on Jan 26, 2026
pinheadmz
commented at 4:05 pm on January 26, 2026:
member
nit: Pull request description should be replaced by the lyrics of Taylor Swift’s “We Are Never Ever Getting Back Together” before merging.
fanquake force-pushed
on Jan 28, 2026
fanquake force-pushed
on Feb 2, 2026
fanquake force-pushed
on Feb 3, 2026
http: enclose libevent-dependent code in a namespace
This commit is a no-op to isolate HTTP methods and objects that
depend on libevent. Following commits will add replacement objects
and methods in a new namespace for testing and review before
switching over the server.
HTTP Response message:
https://datatracker.ietf.org/doc/html/rfc1945#section-6
Status line (first line of response):
https://datatracker.ietf.org/doc/html/rfc1945#section-6.1
Status code definitions:
https://datatracker.ietf.org/doc/html/rfc1945#section-9
This commit also moves StringToBuffer to test/util/str
since it is now used in more than one test.
7bb0702c60
http: Implement HTTPRequest class
HTTP Request message:
https://datatracker.ietf.org/doc/html/rfc1945#section-5
Request Line aka Control Line aka first line:
https://datatracker.ietf.org/doc/html/rfc1945#section-5.1
See message_read_status() in libevent http.c for how
`MORE_DATA_EXPECTED` is handled there
fc6d55cb53
http: Introduce HTTPServer class and implement binding to listening socket
Introduce a new low-level socket managing class `HTTPServer`.
BindAndStartListening() was copied from CConnMan's BindListenPort()
in net.cpp and modernized.
Unit-test it with a new class `SocketTestingSetup` which mocks
`CreateSock()` and will enable mock client I/O in future commits.
Co-authored-by: Vasil Dimov <vd@FreeBSD.org>
719f01c102
HTTPServer: implement and test AcceptConnection()
AcceptConnection() is mostly copied from CConmann in net.cpp
and then modernized.
Co-authored-by: Vasil Dimov <vd@FreeBSD.org>
2f2177c294
HTTPServer: generate sequential Ids for each newly accepted connection
Co-authored-by: Vasil Dimov <vd@FreeBSD.org>
f42c800ae5
http: Introduce HTTPClient class8f4cfdf462
HTTPServer: start an I/O loop in a new thread and accept connections
Socket handling methods are copied from CConnMan:
`CConnman::GenerateWaitSockets()`
`CConnman::SocketHandlerListening()`
`CConnman::ThreadSocketHandler()` and `CConnman::SocketHandler()` are combined into ThreadSocketHandler()`.
Co-authored-by: Vasil Dimov <vd@FreeBSD.org>
c65df14185
HTTPServer: read requests from connected clients
`SocketHandlerConnected()` adapted from CConnman
Testing this requires adding a new feature to the SocketTestingSetup,
inserting a "request" payload into the mock client that connects
to us.
Co-authored-by: Vasil Dimov <vd@FreeBSD.org>
8417aaecbc
HTTPserver: support "chunked" Transfer-Encoding28d45f32a0
HTTPServer: compose and send replies to connected clients
Sockets-touching bits copied and adapted from `CConnman::SocketSendData()`
Testing this requires adding a new feature to the SocketTestingSetup,
returning the DynSock I/O pipes from the mock socket so the received
data can be checked.
Co-authored-by: Vasil Dimov <vd@FreeBSD.org>
ae85ea5004
HTTPServer: disconnect clients82bf3ffde0
Allow http workers to send data optimistically as an optimization88dc10682c
HTTPServer: use a queue to pipeline requests from each connected client
See https://www.rfc-editor.org/rfc/rfc7230#section-6.3.2
> A server MAY process a sequence of pipelined requests in
parallel if they all have safe methods (Section 4.2.1 of [RFC7231]),
but it MUST send the corresponding responses in the same order that
the requests were received.
We choose NOT to process requests in parallel. They are executed in
the order recevied as well as responded to in the order received.
This prevents race conditions where old state may get sent in response
to requests that are very quick to process but were requested later on
in the queue.
0bc7fd7708
define HTTP request methods at module level outside of class
This is a refactor to prepare for matching the API of HTTPRequest
definitions in both namespaces http_bitcoin and http_libevent. In
particular, to provide a consistent return type for GetRequestMethod()
in both classes.
1d15ab0092
Add helper methods to HTTPRequest to match original API
These methods are called by http_request_cb() and are present in the
original http_libevent::HTTPRequest.
eba25e52af
refactor: split http_request_cb into libevent callback and dispatch
The original function is passed to libevent as a callback when HTTP
requests are received and processed. It wrapped the libevent request
object in a http_libevent::HTTPRequest and then handed that off to
bitcoin for basic checks and finally dispatch to worker threads.
In this commit we split the function after the
http_libevent::HTTPRequest is created, and pass that object to a new
function that maintains the logic of checking and dispatching.
This will be the merge point for http_libevent and http_bitcoin,
where HTTPRequest objects from either namespace have the same
downstream lifecycle.
d74588e385
refactor: split HTTPBindAddresses into config parse and libevent setup
The original function was already naturally split into two chunks:
First, we parse and validate the users' RPC configuration for IPs and
ports. Next we bind libevent's http server to the appropriate
endpoints.
This commit splits these chunks into two separate functions, leaving
the argument parsing in the common space of the module and moving the
libevent-specific binding into the http_libevent namespace.
A future commit will implement http_bitcoin::HTTPBindAddresses to
bind the validate list of endpoints by the new HTTP server.
a2e174687c
HTTPServer: implement control methods to match legacy API9c50bda8d4
HTTPServer: disconnect after idle timeout (-rpcservertimeout)09f60d5759
http: switch servers from libevent to bitcoin5c2e6a71ae
fuzz: switch http_libevent::HTTPRequest to http_bitcoin::HTTPRequestceb837f18c
http: delete libevent!28864fee15
common: Add unused UrlEncode function815bca36a8
http: Add HTTPHeader file in common
This will be shared between the http server and the bitcoin-cli http client code.
8787de5dde
cli: Remove libevent usage
Replace libevent-based HTTP client with a simple synchronous implementation using the Sock class directly.
910025c504
refactor: Use constexpr in torcontrol where possible11ab08efff
refactor: Modernize member variable names in torcontrolea2e5bf469
refactor: Get rid of unnecessary newlines in logs9e6d409de6
torcontrol: Remove libevent usage
Replace libevent-based approach with using the Sock class and CThreadInterrupt.
def96b607c
fuzz: Improve torcontrol fuzz test
Gets rid of the Dummy class and adds coverage of get_socks_cb.
4fe15804cf
test: Add simple functional test for torcontrol2e715aad91
test: Add test for partial message handling in torcontrol9b073d816a
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