Delete src/modules/hellocluster.c

src/modules/hellocluster.c

@@ -1,125 +0,0 @@
-/* Helloworld cluster -- A ping/pong cluster API example.
- *
- * -----------------------------------------------------------------------------
- *
- * Copyright (c) 2018, 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>
-
-#define MSGTYPE_PING 1
-#define MSGTYPE_PONG 2
-
-/* HELLOCLUSTER.PINGALL */
-int PingallCommand_ValkeyCommand(ValkeyModuleCtx *ctx, ValkeyModuleString **argv, int argc) {
-    VALKEYMODULE_NOT_USED(argv);
-    VALKEYMODULE_NOT_USED(argc);
-
-    ValkeyModule_SendClusterMessage(ctx, NULL, MSGTYPE_PING, "Hey", 3);
-    return ValkeyModule_ReplyWithSimpleString(ctx, "OK");
-}
-
-/* HELLOCLUSTER.LIST */
-int ListCommand_ValkeyCommand(ValkeyModuleCtx *ctx, ValkeyModuleString **argv, int argc) {
-    VALKEYMODULE_NOT_USED(argv);
-    VALKEYMODULE_NOT_USED(argc);
-
-    size_t numnodes;
-    char **ids = ValkeyModule_GetClusterNodesList(ctx, &numnodes);
-    if (ids == NULL) {
-        return ValkeyModule_ReplyWithError(ctx, "Cluster not enabled");
-    }
-
-    ValkeyModule_ReplyWithArray(ctx, numnodes);
-    for (size_t j = 0; j < numnodes; j++) {
-        int port;
-        ValkeyModule_GetClusterNodeInfo(ctx, ids[j], NULL, NULL, &port, NULL);
-        ValkeyModule_ReplyWithArray(ctx, 2);
-        ValkeyModule_ReplyWithStringBuffer(ctx, ids[j], VALKEYMODULE_NODE_ID_LEN);
-        ValkeyModule_ReplyWithLongLong(ctx, port);
-    }
-    ValkeyModule_FreeClusterNodesList(ids);
-    return VALKEYMODULE_OK;
-}
-
-/* Callback for message MSGTYPE_PING */
-void PingReceiver(ValkeyModuleCtx *ctx,
-                  const char *sender_id,
-                  uint8_t type,
-                  const unsigned char *payload,
-                  uint32_t len) {
-    ValkeyModule_Log(ctx, "notice", "PING (type %d) RECEIVED from %.*s: '%.*s'", type, VALKEYMODULE_NODE_ID_LEN,
-                     sender_id, (int)len, payload);
-    ValkeyModule_SendClusterMessage(ctx, NULL, MSGTYPE_PONG, "Ohi!", 4);
-    ValkeyModuleCallReply *reply = ValkeyModule_Call(ctx, "INCR", "c", "pings_received");
-    ValkeyModule_FreeCallReply(reply);
-}
-
-/* Callback for message MSGTYPE_PONG. */
-void PongReceiver(ValkeyModuleCtx *ctx,
-                  const char *sender_id,
-                  uint8_t type,
-                  const unsigned char *payload,
-                  uint32_t len) {
-    ValkeyModule_Log(ctx, "notice", "PONG (type %d) RECEIVED from %.*s: '%.*s'", type, VALKEYMODULE_NODE_ID_LEN,
-                     sender_id, (int)len, payload);
-}
-
-/* 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, "hellocluster", 1, VALKEYMODULE_APIVER_1) == VALKEYMODULE_ERR) return VALKEYMODULE_ERR;
-
-    if (ValkeyModule_CreateCommand(ctx, "hellocluster.pingall", PingallCommand_ValkeyCommand, "readonly", 0, 0, 0) ==
-        VALKEYMODULE_ERR)
-        return VALKEYMODULE_ERR;
-
-    if (ValkeyModule_CreateCommand(ctx, "hellocluster.list", ListCommand_ValkeyCommand, "readonly", 0, 0, 0) ==
-        VALKEYMODULE_ERR)
-        return VALKEYMODULE_ERR;
-
-    /* Disable 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. */
-    ValkeyModule_SetClusterFlags(ctx, VALKEYMODULE_CLUSTER_FLAG_NO_REDIRECTION);
-
-    /* Register our handlers for different message types. */
-    ValkeyModule_RegisterClusterMessageReceiver(ctx, MSGTYPE_PING, PingReceiver);
-    ValkeyModule_RegisterClusterMessageReceiver(ctx, MSGTYPE_PONG, PongReceiver);
-    return VALKEYMODULE_OK;
-}