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Delete src/modules/hellohook.c

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Григорий Сафронов 2025-02-15 15:55:39 +00:00
parent 9d6053c00f
commit 8dc71285eb
1 changed files with 0 additions and 85 deletions

85
src/modules/hellohook.c

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/* Server hooks API example
*
* -----------------------------------------------------------------------------
*
* Copyright (c) 2019, Redis Ltd.
* 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 "../valkeymodule.h"
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
/* Client state change callback. */
void clientChangeCallback(ValkeyModuleCtx *ctx, ValkeyModuleEvent e, uint64_t sub, void *data) {
VALKEYMODULE_NOT_USED(ctx);
VALKEYMODULE_NOT_USED(e);
ValkeyModuleClientInfo *ci = data;
printf("Client %s event for client #%llu %s:%d\n",
(sub == VALKEYMODULE_SUBEVENT_CLIENT_CHANGE_CONNECTED) ? "connection" : "disconnection",
(unsigned long long)ci->id, ci->addr, ci->port);
}
void flushdbCallback(ValkeyModuleCtx *ctx, ValkeyModuleEvent e, uint64_t sub, void *data) {
VALKEYMODULE_NOT_USED(ctx);
VALKEYMODULE_NOT_USED(e);
ValkeyModuleFlushInfo *fi = data;
if (sub == VALKEYMODULE_SUBEVENT_FLUSHDB_START) {
if (fi->dbnum != -1) {
ValkeyModuleCallReply *reply;
reply = ValkeyModule_Call(ctx, "DBSIZE", "");
long long numkeys = ValkeyModule_CallReplyInteger(reply);
printf("FLUSHDB event of database %d started (%lld keys in DB)\n", fi->dbnum, numkeys);
ValkeyModule_FreeCallReply(reply);
} else {
printf("FLUSHALL event started\n");
}
} else {
if (fi->dbnum != -1) {
printf("FLUSHDB event of database %d ended\n", fi->dbnum);
} else {
printf("FLUSHALL event ended\n");
}
}
}
/* This function must be present on each module. It is used in order to
* register the commands into the server. */
int ValkeyModule_OnLoad(ValkeyModuleCtx *ctx, ValkeyModuleString **argv, int argc) {
VALKEYMODULE_NOT_USED(argv);
VALKEYMODULE_NOT_USED(argc);
if (ValkeyModule_Init(ctx, "hellohook", 1, VALKEYMODULE_APIVER_1) == VALKEYMODULE_ERR) return VALKEYMODULE_ERR;
ValkeyModule_SubscribeToServerEvent(ctx, ValkeyModuleEvent_ClientChange, clientChangeCallback);
ValkeyModule_SubscribeToServerEvent(ctx, ValkeyModuleEvent_FlushDB, flushdbCallback);
return VALKEYMODULE_OK;
}