Delete src/modules/hellocluster.c

src/modules/hellocluster.c

@@ -1,118 +0,0 @@
-/* Helloworld cluster -- A ping/pong cluster API example.
- *
- * -----------------------------------------------------------------------------
- *
- * 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.
- */
-
-#define REDISMODULE_EXPERIMENTAL_API
-#include "../redismodule.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-
-#define MSGTYPE_PING 1
-#define MSGTYPE_PONG 2
-
-/* HELLOCLUSTER.PINGALL */
-int PingallCommand_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
-    REDISMODULE_NOT_USED(argv);
-    REDISMODULE_NOT_USED(argc);
-
-    RedisModule_SendClusterMessage(ctx,NULL,MSGTYPE_PING,(unsigned char*)"Hey",3);
-    return RedisModule_ReplyWithSimpleString(ctx, "OK");
-}
-
-/* HELLOCLUSTER.LIST */
-int ListCommand_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
-    REDISMODULE_NOT_USED(argv);
-    REDISMODULE_NOT_USED(argc);
-
-    size_t numnodes;
-    char **ids = RedisModule_GetClusterNodesList(ctx,&numnodes);
-    if (ids == NULL) {
-        return RedisModule_ReplyWithError(ctx,"Cluster not enabled");
-    }
-
-    RedisModule_ReplyWithArray(ctx,numnodes);
-    for (size_t j = 0; j < numnodes; j++) {
-        int port;
-        RedisModule_GetClusterNodeInfo(ctx,ids[j],NULL,NULL,&port,NULL);
-        RedisModule_ReplyWithArray(ctx,2);
-        RedisModule_ReplyWithStringBuffer(ctx,ids[j],REDISMODULE_NODE_ID_LEN);
-        RedisModule_ReplyWithLongLong(ctx,port);
-    }
-    RedisModule_FreeClusterNodesList(ids);
-    return REDISMODULE_OK;
-}
-
-/* Callback for message MSGTYPE_PING */
-void PingReceiver(RedisModuleCtx *ctx, const char *sender_id, uint8_t type, const unsigned char *payload, uint32_t len) {
-    RedisModule_Log(ctx,"notice","PING (type %d) RECEIVED from %.*s: '%.*s'",
-        type,REDISMODULE_NODE_ID_LEN,sender_id,(int)len, payload);
-    RedisModule_SendClusterMessage(ctx,NULL,MSGTYPE_PONG,(unsigned char*)"Ohi!",4);
-    RedisModule_Call(ctx, "INCR", "c", "pings_received");
-}
-
-/* Callback for message MSGTYPE_PONG. */
-void PongReceiver(RedisModuleCtx *ctx, const char *sender_id, uint8_t type, const unsigned char *payload, uint32_t len) {
-    RedisModule_Log(ctx,"notice","PONG (type %d) RECEIVED from %.*s: '%.*s'",
-        type,REDISMODULE_NODE_ID_LEN,sender_id,(int)len, payload);
-}
-
-/* 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,"hellocluster",1,REDISMODULE_APIVER_1)
-        == REDISMODULE_ERR) return REDISMODULE_ERR;
-
-    if (RedisModule_CreateCommand(ctx,"hellocluster.pingall",
-        PingallCommand_RedisCommand,"readonly",0,0,0) == REDISMODULE_ERR)
-        return REDISMODULE_ERR;
-
-    if (RedisModule_CreateCommand(ctx,"hellocluster.list",
-        ListCommand_RedisCommand,"readonly",0,0,0) == REDISMODULE_ERR)
-        return REDISMODULE_ERR;
-
-    /* Disable Redis Cluster sharding and redirections. This way every node
-     * will be able to access every possible key, regardless of the hash slot.
-     * This way the PING message handler will be able to increment a specific
-     * variable. Normally you do that in order for the distributed system
-     * you create as a module to have total freedom in the keyspace
-     * manipulation. */
-    RedisModule_SetClusterFlags(ctx,REDISMODULE_CLUSTER_FLAG_NO_REDIRECTION);
-
-    /* Register our handlers for different message types. */
-    RedisModule_RegisterClusterMessageReceiver(ctx,MSGTYPE_PING,PingReceiver);
-    RedisModule_RegisterClusterMessageReceiver(ctx,MSGTYPE_PONG,PongReceiver);
-    return REDISMODULE_OK;
-}