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324 Commits

Author SHA1 Message Date
antirez
48aae0d0db TerminateModuleForkChild(): fix function prototype. 2019-09-27 12:23:07 +02:00
antirez
7aaedf9192 TerminateModuleForkChild(): move safety checks there. 
We don't want that the API could be used directly in an unsafe way,
without checking if there is an active child. Now the safety checks are
moved directly in the function performing the operations.
 2019-09-27 12:17:47 +02:00
antirez
1ef0c2f630 Function renamed hasForkChild() -> hasActiveChildProcess(). 2019-09-27 12:03:09 +02:00
antirez
eba38bc3a9 TerminateModuleForkChild(): use wait4 for safety. 
In theory currently there is only one active child, but the API may
change or for bugs in the implementation we may have several (it was
like that for years because of a bug). Better to wait for a specific
pid and avoid consuing other pending children information.
 2019-09-27 11:59:58 +02:00
antirez
e885d74018 Modules fork: improve SIGUSR1 handling, fix include. 
We can't expect SIGUSR1 to have any specific value range, so let's
define an exit code that we can handle in a special way.
This also fixes an #include <wait.h> that is not standard.
 2019-09-27 11:39:45 +02:00
Salvatore Sanfilippo
5c5761bcd6 Merge branch 'unstable' into modules_fork 2019-09-27 11:24:06 +02:00
antirez
cf2dc07791 INFO: more info about loaded modules. 
Related to #6024.
 2019-09-26 12:18:55 +02:00
Salvatore Sanfilippo
4d5fc6b46d Merge pull request #6024 from itamarhaber/info_modules 
Adds a "Modules" section to `INFO`
 2019-09-26 11:58:52 +02:00
Salvatore Sanfilippo
f11b71b9b8 Merge pull request #6235 from oranagra/module_rdb_load_errors 
Allow modules to handle RDB loading errors.
 2019-09-26 11:52:42 +02:00
Salvatore Sanfilippo
838fd190ca Merge pull request #4980 from yossigo/rm-assert 
Add RedisModule_Assert() API call.
 2019-09-26 11:39:29 +02:00
filipecosta90
02ddcc0c78 [fix] fixed the un-refactor bug. 2019-09-25 17:28:42 +01:00
filipecosta90
26452e0d85 [fix] un-refactor the code. [perf] replyWithStatus now makes usage of addReplyProto 2019-09-23 23:45:31 +01:00
filipecosta90
6184d97323 [add] improved performance of RM_ReplyWithSimpleString and RM_ReplyWithError by making usage addReplyProto instead of addReplySds 2019-09-15 21:16:30 +01:00
Doug Nelson
f701f7c007 Typo fixes in API documentation 2019-09-05 16:25:06 +01:00
Oran Agra
8bf7c6d789 Modlue fork is killed when the parent exists 2019-08-25 10:11:48 +03:00
Oran Agra
8319ffb34d Module INFO, support default section for simple modules 2019-08-18 10:01:57 +03:00
Oran Agra
d4c24a3067 Module INFO, add support for dict fields, rename API to have common prefix 2019-08-18 09:41:45 +03:00
Oran Agra
5973b475cb RM_ReplyWithCString was missing registration 2019-08-07 13:06:11 +03:00
Oran Agra
7d18a61559 Merge remote-tracking branch 'oss/unstable' into module_rdb_load_errors 2019-07-30 15:14:08 +03:00
Oran Agra
9fa285523c Avoid diskelss-load if modules did not declare they handle read errors 2019-07-30 15:11:57 +03:00
Salvatore Sanfilippo
8e2a99eb4b Merge pull request #6264 from oranagra/modules_api_aux_rdb 
Implement module api for aux data in rdb
 2019-07-30 11:50:44 +02:00
Oran Agra
b2fce80695 Extend modules API to allow modules report to redis INFO 
this implements #6012
 2019-07-24 12:58:15 +03:00
Oran Agra
ff0780e8e6 Implement module api for aux data in rdb 
Other changes:
* fix memory leak in error handling of rdb loading of type OBJ_MODULE
 2019-07-22 21:15:33 +03:00
Oran Agra
c80ad2f4b5 Allow modules to handle RDB loading errors. 
This is especially needed in diskless loading, were a short read could have
caused redis to exit. now the module can handle the error and return to the
caller gracefully.

this fixes #5326
 2019-07-21 18:19:32 +03:00
Oran Agra
e70fbad802 Module API for Forking 
* create module API for forking child processes.
* refactor duplicate code around creating and tracking forks by AOF and RDB.
* child processes listen to SIGUSR1 and dies exitFromChild in order to
  eliminate a valgrind warning of unhandled signal.
* note that BGSAVE error reply has changed.

valgrind error is:
  Process terminating with default action of signal 10 (SIGUSR1)
 2019-07-17 16:40:24 +03:00
Oran Agra
e0387b30f2 RM_Log - add support for logging without a context or context without module 
for instance detached thread safe contexts, or various callbacks that don't
provide a context.
 2019-07-17 15:08:18 +03:00
Salvatore Sanfilippo
985e5b2c60 Merge pull request #6161 from swilly22/redismodule-loading-ctx-flag 
Extend REDISMODULE_CTX_FLAGS to indicate if redis is  loading
 2019-07-07 17:01:29 +02:00
Salvatore Sanfilippo
3ffea1c914 Merge pull request #6022 from itamarhaber/RedisModule_ReplyWithCString 
Adds RedisModule_ReplyWithCString
 2019-07-05 20:25:18 +02:00
swilly22
7077d14afe Extend REDISMODULE_CTX_FLAGS to indicate if redis is currently loading from either RDB or AOF 2019-06-12 15:37:19 +03:00
Yossi Gottlieb
7653918c7a Preserve client->id for blocked clients. 2019-05-05 20:32:53 +03:00
Itamar Haber
971d9ee0aa Adds a "Modules" section to INFO 
Fixes #6012.

As long as "INFO is broken", this should be adequate IMO. Once we rework
`INFO`, perhaps into RESP3, this implementation should be revisited.
 2019-04-16 22:16:12 +03:00
Itamar Haber
346355edc1 Uses addReplyBulkCString 
Signed-off-by: Itamar Haber <itamar@redislabs.com>
 2019-04-16 17:38:33 +03:00
Itamar Haber
1b3f0c047a Adds RedisModule_ReplyWithCString 
Signed-off-by: Itamar Haber <itamar@redislabs.com>
 2019-04-16 17:15:23 +03:00
Salvatore Sanfilippo
f55e492701 Merge pull request #5961 from yossigo/modules-tests 
Modules tests
 2019-04-11 07:56:23 -07:00
antirez
f4ae084e94 Aesthetic change to #5962 to conform to Redis style. 2019-04-10 18:53:35 +02:00
Oran Agra
48d14e5aa7 slave corrupts replication stream when module blocked client uses large reply (or POSTPONED_ARRAY) 
when redis appends the blocked client reply list to the real client, it didn't
bother to check if it is in fact the master client. so a slave executing that
module command will send replies to the master, causing the master to send the
slave error responses, which will mess up the replication offset
(slave will advance it's replication offset, and the master does not)
 2019-03-24 14:17:37 +02:00
Yossi Gottlieb
2d4635b483 fix: missing initialization. 2019-03-24 12:00:33 +02:00
Salvatore Sanfilippo
d415aa89c0 Merge pull request #5944 from yossigo/command-filtering 
Command Filtering API
 2019-03-22 17:43:49 +01:00
Yossi Gottlieb
898677d59e CommandFilter API: REDISMODULE_CMDFILTER_NOSELF. 
Add a flag to automatically protect filters from being called
recursively by their own module.
 2019-03-21 19:53:12 +02:00
Yossi Gottlieb
b8568a98fd CommandFilter API: fix UnregisterCommandFilter. 2019-03-21 19:45:41 +02:00
Yossi Gottlieb
c675d44488 CommandFilter API: Add unregister option. 
A filter handle is returned and can be used to unregister a filter.  In
the future it can also be used to further configure or manipulate the
filter.

Filters are now automatically unregistered when a module unloads.
 2019-03-21 14:44:49 +02:00
Yossi Gottlieb
1da0d9b04c CommandFilter API: Extend documentation. 2019-03-19 19:48:47 +02:00
Yossi Gottlieb
5bd8aae664 CommandFilter API: Support Lua and RM_call() flows. 2019-03-18 23:06:38 +02:00
Yossi Gottlieb
fdacd1b0b5 CommandFilter API: More cleanup. 2019-03-18 23:05:52 +02:00
Yossi Gottlieb
bc47c987d6 Add command filtering argument handling API. 2019-03-18 18:36:46 +02:00
Yossi Gottlieb
bb6e8ba682 Initial command filter experiment. 2019-03-18 13:50:34 +02:00
Yossi Gottlieb
dd405d4026 Add RedisModule_GetKeyNameFromIO(). 2019-03-15 10:23:27 +02:00
Yossi Gottlieb
3137f26d4c Add RedisModule_Assert() API call. 2019-03-14 15:00:31 +02:00
antirez
9c504573f1 Improve comments after merging #5834. 2019-03-14 12:47:36 +01:00
Salvatore Sanfilippo
06339c7f54 Merge pull request #5834 from guybe7/trim_module_sds 
Trim SDS free space of retained module strings
 2019-03-14 12:41:31 +01:00