Modules hooks: test module draft.

This commit is contained in:
antirez 2019-10-23 18:38:30 +02:00
parent dddfde85ef
commit d3266d516b
2 changed files with 82 additions and 1 deletions

View File

@ -13,7 +13,7 @@ endif
.SUFFIXES: .c .so .xo .o
all: commandfilter.so testrdb.so fork.so infotest.so propagate.so
all: commandfilter.so testrdb.so fork.so infotest.so propagate.so hooks.so
.c.xo:
$(CC) -I../../src $(CFLAGS) $(SHOBJ_CFLAGS) -fPIC -c $< -o $@
@ -23,6 +23,7 @@ fork.xo: ../../src/redismodule.h
testrdb.xo: ../../src/redismodule.h
infotest.xo: ../../src/redismodule.h
propagate.xo: ../../src/redismodule.h
hooks.xo: ../../src/redismodule.h
commandfilter.so: commandfilter.xo
$(LD) -o $@ $< $(SHOBJ_LDFLAGS) $(LIBS) -lc
@ -38,3 +39,6 @@ infotest.so: infotest.xo
propagate.so: propagate.xo
$(LD) -o $@ $< $(SHOBJ_LDFLAGS) $(LIBS) -lc
hooks.so: hooks.xo
$(LD) -o $@ $< $(SHOBJ_LDFLAGS) $(LIBS) -lc

77
tests/modules/hooks.c Normal file
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@ -0,0 +1,77 @@
/* This module is used to test the server events hooks API.
*
* -----------------------------------------------------------------------------
*
* Copyright (c) 2019, Salvatore Sanfilippo <antirez at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#define REDISMODULE_EXPERIMENTAL_API
#include "redismodule.h"
/* Client state change callback. */
void clientChangeCallback(RedisModuleCtx *ctx, RedisModuleEvent e, uint64_t sub, void *data)
{
REDISMODULE_NOT_USED(ctx);
REDISMODULE_NOT_USED(e);
RedisModuleClientInfo *ci = data;
char *keyname = (sub == REDISMODULE_SUBEVENT_CLIENT_CHANGE_CONNECTED) ?
"connected" : "disconnected";
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"RPUSH","cl",keyname,(long)ci->id);
RedisModule_FreeCallReply(reply);
}
void flushdbCallback(RedisModuleCtx *ctx, RedisModuleEvent e, uint64_t sub, void *data)
{
REDISMODULE_NOT_USED(ctx);
REDISMODULE_NOT_USED(e);
RedisModuleFlushInfo *fi = data;
char *keyname = (sub == REDISMODULE_SUBEVENT_FLUSHDB_START) ?
"flush-start" : "flush-end";
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"RPUSH","cl",keyname,(long)fi->dbnum);
RedisModule_FreeCallReply(reply);
}
/* This function must be present on each Redis module. It is used in order to
* register the commands into the Redis server. */
int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
if (RedisModule_Init(ctx,"testhook",1,REDISMODULE_APIVER_1)
== REDISMODULE_ERR) return REDISMODULE_ERR;
RedisModule_SubscribeToServerEvent(ctx,
RedisModuleEvent_ClientChange, clientChangeCallback);
RedisModule_SubscribeToServerEvent(ctx,
RedisModuleEvent_FlushDB, flushdbCallback);
return REDISMODULE_OK;
}