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37 commits

Author SHA1 Message Date
Quanah Gibson-Mount
073232bbc7 Happy New Year! 2024-03-26 19:45:07 +00:00
Ondřej Kuzník
923483ccea ITS#9959 Track actual connection local/peername 2023-09-27 14:44:52 +00:00
Ondřej Kuzník
034225ff5c ITS#9907 Some tools consider abandoned global data a leak 2022-09-15 17:33:39 +01:00
Ondřej Kuzník
333d61d7eb ITS#9907 Plug shutdown related leaks in lloadd 2022-09-01 10:09:23 +01:00
Quanah Gibson-Mount
788e9592ba Happy New Year! 2022-01-07 18:40:00 +00:00
Ondřej Kuzník
e9dfb7d21d ITS#9600 Rework monitor entry management 
Connection entries are now persistent and can be addressed, preparing
the ground so we can process modify operations on individual entries.
 2021-08-13 10:57:14 +01:00
Ondřej Kuzník
84dab3f961 ITS#9599 Add bestof tier implementation 2021-08-13 10:57:14 +01:00
Ondřej Kuzník
ab90bfd95c ITS#9599 Implement tiered load balancing 2021-08-13 10:57:14 +01:00
Ondřej Kuzník
ddc9430727 ITS#9598 Per OID restrictions 2021-08-13 10:57:14 +01:00
Ondřej Kuzník
0190f18b4c ITS#9598 Introduce backend-restricted selection 2021-08-13 10:57:14 +01:00
Ondřej Kuzník
7173e4726e ITS#9598 Factor out upstream checking 2021-08-13 10:57:13 +01:00
Ondřej Kuzník
8e4d7ffe79 ITS#8747 Remove c_private from LloadConnection 2021-05-10 18:49:13 +00:00
Ondřej Kuzník
e030e5eadd Do not redefine lload_change everywhere 2021-02-04 18:07:25 +00:00
Quanah Gibson-Mount
efaf9a4a17 Happy New Year! 2021-01-11 19:25:53 +00:00
Ondřej Kuzník
b49f51879f Implement client pending operation limits 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
dc1961cb15 Epoch based memory reclamation 
Similar to the algorithm presented in
https://www.cl.cam.ac.uk/techreports/UCAM-CL-TR-579.pdf

Not completely lock-free at the moment. Also the problems with epoch
based memory reclamation are still present - a thread actively observing
an epoch getting stuck will prevent LloadConnections and LloadOperations
being freed, potentially running out of memory.
 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
25a4d684fc Permit lloadd to share slapd TLS context 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
3bd2d7483e Reuse connection_walk for client matters 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
b4f43ed8e1 Refactor backend reset 
Reuse the connection walking facility in timeout management.
 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
bd7a6f67de Introduce lload_open_new_listener 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
757c8beda7 Switch to ldap_parse_url_ext 
This simplifies port parsing in the end. Also pass the url to
ldap_open_listener in anticipation of incremental listener config.
 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
07401e5829 Implement runtime monitor (un)registration 
Unregistration is a hack and we shoould either make the subsystems into
an entry (if monitor allows subentry generation) or implement subsystem
unregistration in back-monitor.
 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
05d6aae40f Rework lloadd startup 2020-11-17 17:58:15 +00:00
Ondřej Kuzník
a7f8f58a63 expose task functions for invalidation 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
bf9f99dd88 Split backend destruction from resetting it 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
7f22bac4ac Introduce a new connection status - gentle shutdown 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
485a169758 Implement pause handlers 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
22818e8583 Module shutdown 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
dab9054794 Rework monitor startup 
Takes care of dealing with monitor not present/not configured and fix a
monitor startup issue.
 2020-11-17 17:58:14 +00:00
Nadezhda Ivanova
678fa100f7 Convert the load balancer into a backend 2020-11-17 17:58:14 +00:00
Nadezhda Ivanova
7771606984 Use slapd's config.h 2020-11-17 17:58:14 +00:00
Nadezhda Ivanova
2d33032504 Lload cn=monitor initial implementation 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
7a69017f6f Resolve authzid after a successful auth 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
003a35c62f SASL bind support 
Introduces pinned operations. When SASL bind finishes, we might still
have to maintain a link between the client an an upstream for future
bind operations if we got a SASL Bind in Progress result code. We zero
out the msgids and remember a server-unique identifer on the client and
the relevant operation that lets us retrieve that link again. This
operation is reclaimed just like anything else when connections drop.

Hopefully, this should work for LDAP TXN and VC Exop support with SASL
later as well since it allows for many-to-many links to exist.
 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
ddd1acc327 Passing the client directly will allow clearing it from op 2020-11-17 17:58:14 +00:00
Ondřej Kuzník
66f06f3fa9 Initial extension to upstream selection 2020-11-17 17:58:14 +00:00
Nadezhda Ivanova
8bc7650a7c Clean ups and renames to coexist with slapd 2020-11-17 17:58:14 +00:00