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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 13:40:54 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 13:40:54 +0000 |
commit | 317c0644ccf108aa23ef3fd8358bd66c2840bfc0 (patch) | |
tree | c417b3d25c86b775989cb5ac042f37611b626c8a /src/modules/hellotimer.c | |
parent | Initial commit. (diff) | |
download | redis-upstream/5%7.2.4.tar.xz redis-upstream/5%7.2.4.zip |
Adding upstream version 5:7.2.4.upstream/5%7.2.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/modules/hellotimer.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/modules/hellotimer.c b/src/modules/hellotimer.c new file mode 100644 index 0000000..67e1e67 --- /dev/null +++ b/src/modules/hellotimer.c @@ -0,0 +1,75 @@ +/* Timer API example -- Register and handle timer events + * + * ----------------------------------------------------------------------------- + * + * Copyright (c) 2018, 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. + */ + +#include "../redismodule.h" +#include <stdio.h> +#include <stdlib.h> +#include <ctype.h> +#include <string.h> + +/* Timer callback. */ +void timerHandler(RedisModuleCtx *ctx, void *data) { + REDISMODULE_NOT_USED(ctx); + printf("Fired %s!\n", (char *)data); + RedisModule_Free(data); +} + +/* HELLOTIMER.TIMER*/ +int TimerCommand_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { + REDISMODULE_NOT_USED(argv); + REDISMODULE_NOT_USED(argc); + + for (int j = 0; j < 10; j++) { + int delay = rand() % 5000; + char *buf = RedisModule_Alloc(256); + snprintf(buf,256,"After %d", delay); + RedisModuleTimerID tid = RedisModule_CreateTimer(ctx,delay,timerHandler,buf); + REDISMODULE_NOT_USED(tid); + } + return RedisModule_ReplyWithSimpleString(ctx, "OK"); +} + +/* 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,"hellotimer",1,REDISMODULE_APIVER_1) + == REDISMODULE_ERR) return REDISMODULE_ERR; + + if (RedisModule_CreateCommand(ctx,"hellotimer.timer", + TimerCommand_RedisCommand,"readonly",0,0,0) == REDISMODULE_ERR) + return REDISMODULE_ERR; + + return REDISMODULE_OK; +} |