434 lines
12 KiB
C
434 lines
12 KiB
C
/* Redis CLI (command line interface)
|
|
*
|
|
* Copyright (c) 2006-2009, 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 "fmacros.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "anet.h"
|
|
#include "sds.h"
|
|
#include "adlist.h"
|
|
#include "zmalloc.h"
|
|
|
|
#define REDIS_CMD_INLINE 1
|
|
#define REDIS_CMD_BULK 2
|
|
#define REDIS_CMD_MULTIBULK 4
|
|
|
|
#define REDIS_NOTUSED(V) ((void) V)
|
|
|
|
static struct config {
|
|
char *hostip;
|
|
int hostport;
|
|
long repeat;
|
|
int dbnum;
|
|
} config;
|
|
|
|
struct redisCommand {
|
|
char *name;
|
|
int arity;
|
|
int flags;
|
|
};
|
|
|
|
static struct redisCommand cmdTable[] = {
|
|
{"get",2,REDIS_CMD_INLINE},
|
|
{"set",3,REDIS_CMD_BULK},
|
|
{"setnx",3,REDIS_CMD_BULK},
|
|
{"del",-2,REDIS_CMD_INLINE},
|
|
{"exists",2,REDIS_CMD_INLINE},
|
|
{"incr",2,REDIS_CMD_INLINE},
|
|
{"decr",2,REDIS_CMD_INLINE},
|
|
{"rpush",3,REDIS_CMD_BULK},
|
|
{"lpush",3,REDIS_CMD_BULK},
|
|
{"rpop",2,REDIS_CMD_INLINE},
|
|
{"lpop",2,REDIS_CMD_INLINE},
|
|
{"llen",2,REDIS_CMD_INLINE},
|
|
{"lindex",3,REDIS_CMD_INLINE},
|
|
{"lset",4,REDIS_CMD_BULK},
|
|
{"lrange",4,REDIS_CMD_INLINE},
|
|
{"ltrim",4,REDIS_CMD_INLINE},
|
|
{"lrem",4,REDIS_CMD_BULK},
|
|
{"rpoplpush",3,REDIS_CMD_BULK},
|
|
{"sadd",3,REDIS_CMD_BULK},
|
|
{"srem",3,REDIS_CMD_BULK},
|
|
{"smove",4,REDIS_CMD_BULK},
|
|
{"sismember",3,REDIS_CMD_BULK},
|
|
{"scard",2,REDIS_CMD_INLINE},
|
|
{"spop",2,REDIS_CMD_INLINE},
|
|
{"srandmember",2,REDIS_CMD_INLINE},
|
|
{"sinter",-2,REDIS_CMD_INLINE},
|
|
{"sinterstore",-3,REDIS_CMD_INLINE},
|
|
{"sunion",-2,REDIS_CMD_INLINE},
|
|
{"sunionstore",-3,REDIS_CMD_INLINE},
|
|
{"sdiff",-2,REDIS_CMD_INLINE},
|
|
{"sdiffstore",-3,REDIS_CMD_INLINE},
|
|
{"smembers",2,REDIS_CMD_INLINE},
|
|
{"zadd",4,REDIS_CMD_BULK},
|
|
{"zincrby",4,REDIS_CMD_BULK},
|
|
{"zrem",3,REDIS_CMD_BULK},
|
|
{"zremrangebyscore",4,REDIS_CMD_INLINE},
|
|
{"zrange",4,REDIS_CMD_INLINE},
|
|
{"zrangebyscore",-4,REDIS_CMD_INLINE},
|
|
{"zrevrange",4,REDIS_CMD_INLINE},
|
|
{"zcard",2,REDIS_CMD_INLINE},
|
|
{"zscore",3,REDIS_CMD_BULK},
|
|
{"incrby",3,REDIS_CMD_INLINE},
|
|
{"decrby",3,REDIS_CMD_INLINE},
|
|
{"getset",3,REDIS_CMD_BULK},
|
|
{"randomkey",1,REDIS_CMD_INLINE},
|
|
{"select",2,REDIS_CMD_INLINE},
|
|
{"move",3,REDIS_CMD_INLINE},
|
|
{"rename",3,REDIS_CMD_INLINE},
|
|
{"renamenx",3,REDIS_CMD_INLINE},
|
|
{"keys",2,REDIS_CMD_INLINE},
|
|
{"dbsize",1,REDIS_CMD_INLINE},
|
|
{"ping",1,REDIS_CMD_INLINE},
|
|
{"echo",2,REDIS_CMD_BULK},
|
|
{"save",1,REDIS_CMD_INLINE},
|
|
{"bgsave",1,REDIS_CMD_INLINE},
|
|
{"rewriteaof",1,REDIS_CMD_INLINE},
|
|
{"bgrewriteaof",1,REDIS_CMD_INLINE},
|
|
{"shutdown",1,REDIS_CMD_INLINE},
|
|
{"lastsave",1,REDIS_CMD_INLINE},
|
|
{"type",2,REDIS_CMD_INLINE},
|
|
{"flushdb",1,REDIS_CMD_INLINE},
|
|
{"flushall",1,REDIS_CMD_INLINE},
|
|
{"sort",-2,REDIS_CMD_INLINE},
|
|
{"info",1,REDIS_CMD_INLINE},
|
|
{"mget",-2,REDIS_CMD_INLINE},
|
|
{"expire",3,REDIS_CMD_INLINE},
|
|
{"expireat",3,REDIS_CMD_INLINE},
|
|
{"ttl",2,REDIS_CMD_INLINE},
|
|
{"slaveof",3,REDIS_CMD_INLINE},
|
|
{"debug",-2,REDIS_CMD_INLINE},
|
|
{"mset",-3,REDIS_CMD_MULTIBULK},
|
|
{"msetnx",-3,REDIS_CMD_MULTIBULK},
|
|
{NULL,0,0}
|
|
};
|
|
|
|
static int cliReadReply(int fd);
|
|
|
|
static struct redisCommand *lookupCommand(char *name) {
|
|
int j = 0;
|
|
while(cmdTable[j].name != NULL) {
|
|
if (!strcasecmp(name,cmdTable[j].name)) return &cmdTable[j];
|
|
j++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int cliConnect(void) {
|
|
char err[ANET_ERR_LEN];
|
|
int fd;
|
|
|
|
fd = anetTcpConnect(err,config.hostip,config.hostport);
|
|
if (fd == ANET_ERR) {
|
|
fprintf(stderr,"Connect: %s\n",err);
|
|
return -1;
|
|
}
|
|
anetTcpNoDelay(NULL,fd);
|
|
return fd;
|
|
}
|
|
|
|
static sds cliReadLine(int fd) {
|
|
sds line = sdsempty();
|
|
|
|
while(1) {
|
|
char c;
|
|
ssize_t ret;
|
|
|
|
ret = read(fd,&c,1);
|
|
if (ret == -1) {
|
|
sdsfree(line);
|
|
return NULL;
|
|
} else if ((ret == 0) || (c == '\n')) {
|
|
break;
|
|
} else {
|
|
line = sdscatlen(line,&c,1);
|
|
}
|
|
}
|
|
return sdstrim(line,"\r\n");
|
|
}
|
|
|
|
static int cliReadSingleLineReply(int fd, int quiet) {
|
|
sds reply = cliReadLine(fd);
|
|
|
|
if (reply == NULL) return 1;
|
|
if (!quiet)
|
|
printf("%s\n", reply);
|
|
return 0;
|
|
}
|
|
|
|
static int cliReadBulkReply(int fd) {
|
|
sds replylen = cliReadLine(fd);
|
|
char *reply, crlf[2];
|
|
int bulklen;
|
|
|
|
if (replylen == NULL) return 1;
|
|
bulklen = atoi(replylen);
|
|
if (bulklen == -1) {
|
|
sdsfree(replylen);
|
|
printf("(nil)\n");
|
|
return 0;
|
|
}
|
|
reply = zmalloc(bulklen);
|
|
anetRead(fd,reply,bulklen);
|
|
anetRead(fd,crlf,2);
|
|
if (bulklen && fwrite(reply,bulklen,1,stdout) == 0) {
|
|
zfree(reply);
|
|
return 1;
|
|
}
|
|
if (isatty(fileno(stdout)) && reply[bulklen-1] != '\n')
|
|
printf("\n");
|
|
zfree(reply);
|
|
return 0;
|
|
}
|
|
|
|
static int cliReadMultiBulkReply(int fd) {
|
|
sds replylen = cliReadLine(fd);
|
|
int elements, c = 1;
|
|
|
|
if (replylen == NULL) return 1;
|
|
elements = atoi(replylen);
|
|
if (elements == -1) {
|
|
sdsfree(replylen);
|
|
printf("(nil)\n");
|
|
return 0;
|
|
}
|
|
if (elements == 0) {
|
|
printf("(empty list or set)\n");
|
|
}
|
|
while(elements--) {
|
|
printf("%d. ", c);
|
|
if (cliReadReply(fd)) return 1;
|
|
c++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cliReadReply(int fd) {
|
|
char type;
|
|
|
|
if (anetRead(fd,&type,1) <= 0) exit(1);
|
|
switch(type) {
|
|
case '-':
|
|
printf("(error) ");
|
|
cliReadSingleLineReply(fd,0);
|
|
return 1;
|
|
case '+':
|
|
return cliReadSingleLineReply(fd,0);
|
|
case ':':
|
|
printf("(integer) ");
|
|
return cliReadSingleLineReply(fd,0);
|
|
case '$':
|
|
return cliReadBulkReply(fd);
|
|
case '*':
|
|
return cliReadMultiBulkReply(fd);
|
|
default:
|
|
printf("protocol error, got '%c' as reply type byte\n", type);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static int selectDb(int fd)
|
|
{
|
|
int retval;
|
|
sds cmd;
|
|
char type;
|
|
|
|
if (config.dbnum == 0)
|
|
return 0;
|
|
|
|
cmd = sdsempty();
|
|
cmd = sdscatprintf(cmd,"SELECT %d\r\n",config.dbnum);
|
|
anetWrite(fd,cmd,sdslen(cmd));
|
|
anetRead(fd,&type,1);
|
|
if (type <= 0 || type != '+') return 1;
|
|
retval = cliReadSingleLineReply(fd,1);
|
|
if (retval) {
|
|
close(fd);
|
|
return retval;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cliSendCommand(int argc, char **argv) {
|
|
struct redisCommand *rc = lookupCommand(argv[0]);
|
|
int fd, j, retval = 0;
|
|
sds cmd;
|
|
|
|
if (!rc) {
|
|
fprintf(stderr,"Unknown command '%s'\n",argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
if ((rc->arity > 0 && argc != rc->arity) ||
|
|
(rc->arity < 0 && argc < -rc->arity)) {
|
|
fprintf(stderr,"Wrong number of arguments for '%s'\n",rc->name);
|
|
return 1;
|
|
}
|
|
if ((fd = cliConnect()) == -1) return 1;
|
|
|
|
/* Select db number */
|
|
retval = selectDb(fd);
|
|
if (retval) {
|
|
fprintf(stderr,"Error setting DB num\n");
|
|
return 1;
|
|
}
|
|
|
|
while(config.repeat--) {
|
|
/* Build the command to send */
|
|
cmd = sdsempty();
|
|
if (rc->flags & REDIS_CMD_MULTIBULK) {
|
|
cmd = sdscatprintf(cmd,"*%d\r\n",argc);
|
|
for (j = 0; j < argc; j++) {
|
|
cmd = sdscatprintf(cmd,"$%lu\r\n",
|
|
(unsigned long)sdslen(argv[j]));
|
|
cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
|
|
cmd = sdscatlen(cmd,"\r\n",2);
|
|
}
|
|
} else {
|
|
for (j = 0; j < argc; j++) {
|
|
if (j != 0) cmd = sdscat(cmd," ");
|
|
if (j == argc-1 && rc->flags & REDIS_CMD_BULK) {
|
|
cmd = sdscatprintf(cmd,"%lu",
|
|
(unsigned long)sdslen(argv[j]));
|
|
} else {
|
|
cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
|
|
}
|
|
}
|
|
cmd = sdscat(cmd,"\r\n");
|
|
if (rc->flags & REDIS_CMD_BULK) {
|
|
cmd = sdscatlen(cmd,argv[argc-1],sdslen(argv[argc-1]));
|
|
cmd = sdscatlen(cmd,"\r\n",2);
|
|
}
|
|
}
|
|
anetWrite(fd,cmd,sdslen(cmd));
|
|
sdsfree(cmd);
|
|
retval = cliReadReply(fd);
|
|
if (retval) {
|
|
close(fd);
|
|
return retval;
|
|
}
|
|
}
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
|
|
static int parseOptions(int argc, char **argv) {
|
|
int i;
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
int lastarg = i==argc-1;
|
|
|
|
if (!strcmp(argv[i],"-h") && !lastarg) {
|
|
char *ip = zmalloc(32);
|
|
if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {
|
|
printf("Can't resolve %s\n", argv[i]);
|
|
exit(1);
|
|
}
|
|
config.hostip = ip;
|
|
i++;
|
|
} else if (!strcmp(argv[i],"-p") && !lastarg) {
|
|
config.hostport = atoi(argv[i+1]);
|
|
i++;
|
|
} else if (!strcmp(argv[i],"-r") && !lastarg) {
|
|
config.repeat = strtoll(argv[i+1],NULL,10);
|
|
i++;
|
|
} else if (!strcmp(argv[i],"-n") && !lastarg) {
|
|
config.dbnum = atoi(argv[i+1]);
|
|
i++;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
return i;
|
|
}
|
|
|
|
static sds readArgFromStdin(void) {
|
|
char buf[1024];
|
|
sds arg = sdsempty();
|
|
|
|
while(1) {
|
|
int nread = read(fileno(stdin),buf,1024);
|
|
|
|
if (nread == 0) break;
|
|
else if (nread == -1) {
|
|
perror("Reading from standard input");
|
|
exit(1);
|
|
}
|
|
arg = sdscatlen(arg,buf,nread);
|
|
}
|
|
return arg;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
int firstarg, j;
|
|
char **argvcopy;
|
|
struct redisCommand *rc;
|
|
|
|
config.hostip = "127.0.0.1";
|
|
config.hostport = 6379;
|
|
config.repeat = 1;
|
|
config.dbnum = 0;
|
|
|
|
firstarg = parseOptions(argc,argv);
|
|
argc -= firstarg;
|
|
argv += firstarg;
|
|
|
|
/* Turn the plain C strings into Sds strings */
|
|
argvcopy = zmalloc(sizeof(char*)*argc+1);
|
|
for(j = 0; j < argc; j++)
|
|
argvcopy[j] = sdsnew(argv[j]);
|
|
|
|
if (argc < 1) {
|
|
fprintf(stderr, "usage: redis-cli [-h host] [-p port] [-r repeat_times] [-n db_num] cmd arg1 arg2 arg3 ... argN\n");
|
|
fprintf(stderr, "usage: echo \"argN\" | redis-cli [-h host] [-p port] [-r repeat_times] [-n db_num] cmd arg1 arg2 ... arg(N-1)\n");
|
|
fprintf(stderr, "\nIf a pipe from standard input is detected this data is used as last argument.\n\n");
|
|
fprintf(stderr, "example: cat /etc/passwd | redis-cli set my_passwd\n");
|
|
fprintf(stderr, "example: redis-cli get my_passwd\n");
|
|
fprintf(stderr, "example: redis-cli -r 100 lpush mylist x\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* Read the last argument from stdandard input if needed */
|
|
if ((rc = lookupCommand(argv[0])) != NULL) {
|
|
if (rc->arity > 0 && argc == rc->arity-1) {
|
|
sds lastarg = readArgFromStdin();
|
|
argvcopy[argc] = lastarg;
|
|
argc++;
|
|
}
|
|
}
|
|
|
|
return cliSendCommand(argc, argvcopy);
|
|
}
|