From 9bda1019e3c3741ffebec7973299b53dd34f8976 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D0=93=D1=80=D0=B8=D0=B3=D0=BE=D1=80=D0=B8=D0=B9=20=D0=A1?= =?UTF-8?q?=D0=B0=D1=84=D1=80=D0=BE=D0=BD=D0=BE=D0=B2?= Date: Sat, 15 Feb 2025 15:55:55 +0000 Subject: [PATCH] Delete src/modules/hellocluster.c --- src/modules/hellocluster.c | 125 ------------------------------------- 1 file changed, 125 deletions(-) delete mode 100644 src/modules/hellocluster.c diff --git a/src/modules/hellocluster.c b/src/modules/hellocluster.c deleted file mode 100644 index b5c96ed25..000000000 --- a/src/modules/hellocluster.c +++ /dev/null @@ -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 -#include -#include -#include - -#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; -}