3proxy/tests/cases
Vladimir Dubrovin 21ba6e9d0c Reload the configuration atomically
A reload reads the file into a new configuration, allocated from the
defaults, and prepares its services without starting them. Only if the
whole file is read without an error does it come into force: the old
configuration's services stop accepting, the new ones start. On an
error everything prepared is dropped and the old configuration, which
never stopped, stays in force.

Each service holds its configuration until it is freed, after its last
client; a configuration no longer in force is released when the last
holder lets go (confhold/confput). freeconf() now only releases what a
configuration holds, touching nothing global.

What runs without a service of its own reads the configuration in
force, runconf, rather than conf, which a reload points at the one
being read: the resolver, which holds it while it waits (a client
resolves with its own service's), the log, the thread pool, the admin
pages, which walk the services under config_mutex, and the signal
handlers.

The users table, havelog and the resolver choice are per configuration
now, the resolver applied when the configuration comes into force, so
a refused file leaves the users as they were. The log file, the
configuration file name, the string table, daemon mode and the filter
list belong to the process and are handed from one configuration to
the next. Settings left out of a new file go back to their defaults,
where before they kept the old values.

The gap between the old and the new listening sockets remains: a
connection queued on an old service's socket when it closes is reset.
Handing the socket over is the next phase.

A test case reloads a broken file (nothing changes, alice still gets
in, bob from the refused file does not) and a good one (bob only, the
service on its new port, the old one closed, a download through the
old service finishing whole). 40 reloads, a third refused, under load
show no memory errors under AddressSanitizer.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-14 20:15:14 +03:00
..
admin.py Tests: wait for the reload requested in the admin case 2026-10-11 10:26:02 +03:00
auto.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
counters.py Keep the values of numbered traffic counters across reloads 2026-10-13 19:05:59 +03:00
dnspr.py Fix dnspr for Windows 2026-08-26 16:28:27 +03:00
httpsrv_auth.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
httpsrv_files.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
httpsrv_keepalive.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
httpsrv_ops.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
httpsrv_parsing.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
httpsrv_proxypass.py support proxypass in web server 2026-08-27 17:57:51 +03:00
httpsrv_rules.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
ipv6.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
ktls.py splice() over kernel TLS 2026-10-14 18:50:02 +03:00
maxconn.py Change waiting loops to semaphores for child counters 2026-10-10 23:10:57 +03:00
parent_failover.py parent: support fraction and % syntaxis for weight; support fallbacks with 0 weight 2026-09-16 20:04:10 +03:00
parent_ports.py Take another local port when the one bound cannot reach the destination 2026-09-17 13:02:56 +03:00
parent_weights.py parent: support fraction and % syntaxis for weight; support fallbacks with 0 weight 2026-09-16 20:04:10 +03:00
pcre.py Fix rewrite and over-long header handling on Windows 2026-08-29 20:21:29 +03:00
portmap.py tests: run the half-close case on Windows again 2026-10-13 12:57:50 +03:00
proxy_http.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
reload.py Reload the configuration atomically 2026-10-14 20:15:14 +03:00
socks.py Fix: invalid hostname ACL handling in UDPASSOC 2026-10-01 16:57:36 +03:00
splice.py Make the automatic splice() mode's heuristics a service option 2026-10-14 19:02:23 +03:00
ssl.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
timeouts.py per-service timeouts 2026-10-13 15:12:05 +03:00
tlspr.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00
transparent.py http server implemented, pcre support for hostnames in acls implemented 2026-08-27 14:34:27 +03:00