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ruanhaishen
redis
Commits
061f03d7
Commit
061f03d7
authored
Mar 30, 2018
by
antirez
Browse files
Modules Cluster API: add a simple example module.
parent
82004f9d
Changes
2
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Inline
Side-by-side
src/modules/Makefile
View file @
061f03d7
...
...
@@ -13,7 +13,7 @@ endif
.SUFFIXES
:
.c .so .xo .o
all
:
helloworld.so hellotype.so helloblock.so testmodule.so
all
:
helloworld.so hellotype.so helloblock.so testmodule.so
hellocluster.so
.c.xo
:
$(CC)
-I
.
$(CFLAGS)
$(SHOBJ_CFLAGS)
-fPIC
-c
$<
-o
$@
...
...
@@ -33,6 +33,11 @@ helloblock.xo: ../redismodule.h
helloblock.so
:
helloblock.xo
$(LD)
-o
$@
$<
$(SHOBJ_LDFLAGS)
$(LIBS)
-lpthread
-lc
hellocluster.xo
:
../redismodule.h
hellocluster.so
:
hellocluster.xo
$(LD)
-o
$@
$<
$(SHOBJ_LDFLAGS)
$(LIBS)
-lc
testmodule.xo
:
../redismodule.h
testmodule.so
:
testmodule.xo
...
...
src/modules/hellocluster.c
0 → 100644
View file @
061f03d7
/* 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.
*/
#include "../redismodule.h"
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#define MSGTYPE_PING 1
#define MSGTYPE_PONG 2
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"
);
}
/* Callback for message MSGTYPE_PING */
void
PingReceiver
(
RedisModuleCtx
*
ctx
,
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
);
}
/* Callback for message MSGTYPE_PONG. */
void
PongReceiver
(
RedisModuleCtx
*
ctx
,
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
;
RedisModule_RegisterClusterMessageReceiver
(
ctx
,
MSGTYPE_PING
,
PingReceiver
);
RedisModule_RegisterClusterMessageReceiver
(
ctx
,
MSGTYPE_PONG
,
PongReceiver
);
return
REDISMODULE_OK
;
}
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