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57 lines
2.4 KiB
C
57 lines
2.4 KiB
C
/*
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* Copyright (c) 2018, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------------
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*
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* This file implements the LOLWUT command. The command should do something
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* fun and interesting, and should be replaced by a new implementation at
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* each new version of Redis.
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*/
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#include "server.h"
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void lolwut5Command(client *c);
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/* The default target for LOLWUT if no matching version was found.
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* This is what unstable versions of Redis will display. */
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void lolwutUnstableCommand(client *c) {
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sds rendered = sdsnew("Redis ver. ");
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rendered = sdscat(rendered,REDIS_VERSION);
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rendered = sdscatlen(rendered,"\n",1);
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addReplyBulkSds(c,rendered);
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}
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void lolwutCommand(client *c) {
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char *v = REDIS_VERSION;
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if ((v[0] == '5' && v[1] == '.') ||
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(v[0] == '4' && v[1] == '.' && v[2] == '9'))
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lolwut5Command(c);
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else
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lolwutUnstableCommand(c);
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}
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