src/redis-cli.c

   1 /* Redis CLI (command line interface)
   2  *
   3  * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  *   * Redistributions of source code must retain the above copyright notice,
  10  *     this list of conditions and the following disclaimer.
  11  *   * Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *   * Neither the name of Redis nor the names of its contributors may be used
  15  *     to endorse or promote products derived from this software without
  16  *     specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "fmacros.h"
  32 #include "version.h"
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37 #include <unistd.h>
  38 #include <ctype.h>
  39 #include <errno.h>
  40 #include <sys/stat.h>
  41 #include <sys/time.h>
  42 #include <assert.h>
  43
  44 #include "hiredis.h"
  45 #include "sds.h"
  46 #include "zmalloc.h"
  47 #include "linenoise.h"
  48 #include "help.h"
  49
  50 #define REDIS_NOTUSED(V) ((void) V)
  51
  52 static redisContext *context;
  53 static struct config {
  54     char *hostip;
  55     int hostport;
  56     char *hostsocket;
  57     long repeat;
  58     int dbnum;
  59     int interactive;
  60     int shutdown;
  61     int monitor_mode;
  62     int pubsub_mode;
  63     int stdinarg; /* get last arg from stdin. (-x option) */
  64     char *auth;
  65     char *historyfile;
  66     int raw_output; /* output mode per command */
  67     sds mb_delim;
  68 } config;
  69
  70 static void usage();
  71 char *redisGitSHA1(void);
  72 char *redisGitDirty(void);
  73
  74 /*------------------------------------------------------------------------------
  75  * Utility functions
  76  *--------------------------------------------------------------------------- */
  77
  78 static long long mstime(void) {
  79     struct timeval tv;
  80     long long mst;
  81
  82     gettimeofday(&tv, NULL);
  83     mst = ((long)tv.tv_sec)*1000;
  84     mst += tv.tv_usec/1000;
  85     return mst;
  86 }
  87
  88 /*------------------------------------------------------------------------------
  89  * Help functions
  90  *--------------------------------------------------------------------------- */
  91
  92 #define CLI_HELP_COMMAND 1
  93 #define CLI_HELP_GROUP 2
  94
  95 typedef struct {
  96     int type;
  97     int argc;
  98     sds *argv;
  99     sds full;
 100
 101     /* Only used for help on commands */
 102     struct commandHelp *org;
 103 } helpEntry;
 104
 105 static helpEntry *helpEntries;
 106 static int helpEntriesLen;
 107
 108 static sds cliVersion() {
 109     sds version;
 110     version = sdscatprintf(sdsempty(), "%s", REDIS_VERSION);
 111
 112     /* Add git commit and working tree status when available */
 113     if (strtoll(redisGitSHA1(),NULL,16)) {
 114         version = sdscatprintf(version, " (git:%s", redisGitSHA1());
 115         if (strtoll(redisGitDirty(),NULL,10))
 116             version = sdscatprintf(version, "-dirty");
 117         version = sdscat(version, ")");
 118     }
 119     return version;
 120 }
 121
 122 static void cliInitHelp() {
 123     int commandslen = sizeof(commandHelp)/sizeof(struct commandHelp);
 124     int groupslen = sizeof(commandGroups)/sizeof(char*);
 125     int i, len, pos = 0;
 126     helpEntry tmp;
 127
 128     helpEntriesLen = len = commandslen+groupslen;
 129     helpEntries = malloc(sizeof(helpEntry)*len);
 130
 131     for (i = 0; i < groupslen; i++) {
 132         tmp.argc = 1;
 133         tmp.argv = malloc(sizeof(sds));
 134         tmp.argv[0] = sdscatprintf(sdsempty(),"@%s",commandGroups[i]);
 135         tmp.full = tmp.argv[0];
 136         tmp.type = CLI_HELP_GROUP;
 137         tmp.org = NULL;
 138         helpEntries[pos++] = tmp;
 139     }
 140
 141     for (i = 0; i < commandslen; i++) {
 142         tmp.argv = sdssplitargs(commandHelp[i].name,&tmp.argc);
 143         tmp.full = sdsnew(commandHelp[i].name);
 144         tmp.type = CLI_HELP_COMMAND;
 145         tmp.org = &commandHelp[i];
 146         helpEntries[pos++] = tmp;
 147     }
 148 }
 149
 150 /* Output command help to stdout. */
 151 static void cliOutputCommandHelp(struct commandHelp *help, int group) {
 152     printf("\r\n  \x1b[1m%s\x1b[0m \x1b[90m%s\x1b[0m\r\n", help->name, help->params);
 153     printf("  \x1b[33msummary:\x1b[0m %s\r\n", help->summary);
 154     printf("  \x1b[33msince:\x1b[0m %s\r\n", help->since);
 155     if (group) {
 156         printf("  \x1b[33mgroup:\x1b[0m %s\r\n", commandGroups[help->group]);
 157     }
 158 }
 159
 160 /* Print generic help. */
 161 static void cliOutputGenericHelp() {
 162     sds version = cliVersion();
 163     printf(
 164         "redis-cli %s\r\n"
 165         "Type: \"help @<group>\" to get a list of commands in <group>\r\n"
 166         "      \"help <command>\" for help on <command>\r\n"
 167         "      \"help <tab>\" to get a list of possible help topics\r\n"
 168         "      \"quit\" to exit\r\n",
 169         version
 170     );
 171     sdsfree(version);
 172 }
 173
 174 /* Output all command help, filtering by group or command name. */
 175 static void cliOutputHelp(int argc, char **argv) {
 176     int i, j, len;
 177     int group = -1;
 178     helpEntry *entry;
 179     struct commandHelp *help;
 180
 181     if (argc == 0) {
 182         cliOutputGenericHelp();
 183         return;
 184     } else if (argc > 0 && argv[0][0] == '@') {
 185         len = sizeof(commandGroups)/sizeof(char*);
 186         for (i = 0; i < len; i++) {
 187             if (strcasecmp(argv[0]+1,commandGroups[i]) == 0) {
 188                 group = i;
 189                 break;
 190             }
 191         }
 192     }
 193
 194     assert(argc > 0);
 195     for (i = 0; i < helpEntriesLen; i++) {
 196         entry = &helpEntries[i];
 197         if (entry->type != CLI_HELP_COMMAND) continue;
 198
 199         help = entry->org;
 200         if (group == -1) {
 201             /* Compare all arguments */
 202             if (argc == entry->argc) {
 203                 for (j = 0; j < argc; j++) {
 204                     if (strcasecmp(argv[j],entry->argv[j]) != 0) break;
 205                 }
 206                 if (j == argc) {
 207                     cliOutputCommandHelp(help,1);
 208                 }
 209             }
 210         } else {
 211             if (group == help->group) {
 212                 cliOutputCommandHelp(help,0);
 213             }
 214         }
 215     }
 216     printf("\r\n");
 217 }
 218
 219 static void completionCallback(const char *buf, linenoiseCompletions *lc) {
 220     size_t startpos = 0;
 221     int mask;
 222     int i;
 223     size_t matchlen;
 224     sds tmp;
 225
 226     if (strncasecmp(buf,"help ",5) == 0) {
 227         startpos = 5;
 228         while (isspace(buf[startpos])) startpos++;
 229         mask = CLI_HELP_COMMAND | CLI_HELP_GROUP;
 230     } else {
 231         mask = CLI_HELP_COMMAND;
 232     }
 233
 234     for (i = 0; i < helpEntriesLen; i++) {
 235         if (!(helpEntries[i].type & mask)) continue;
 236
 237         matchlen = strlen(buf+startpos);
 238         if (strncasecmp(buf+startpos,helpEntries[i].full,matchlen) == 0) {
 239             tmp = sdsnewlen(buf,startpos);
 240             tmp = sdscat(tmp,helpEntries[i].full);
 241             linenoiseAddCompletion(lc,tmp);
 242             sdsfree(tmp);
 243         }
 244     }
 245 }
 246
 247 /*------------------------------------------------------------------------------
 248  * Networking / parsing
 249  *--------------------------------------------------------------------------- */
 250
 251 /* Send AUTH command to the server */
 252 static int cliAuth() {
 253     redisReply *reply;
 254     if (config.auth == NULL) return REDIS_OK;
 255
 256     reply = redisCommand(context,"AUTH %s",config.auth);
 257     if (reply != NULL) {
 258         freeReplyObject(reply);
 259         return REDIS_OK;
 260     }
 261     return REDIS_ERR;
 262 }
 263
 264 /* Send SELECT dbnum to the server */
 265 static int cliSelect() {
 266     redisReply *reply;
 267     char dbnum[16];
 268     if (config.dbnum == 0) return REDIS_OK;
 269
 270     snprintf(dbnum,sizeof(dbnum),"%d",config.dbnum);
 271     reply = redisCommand(context,"SELECT %s",dbnum);
 272     if (reply != NULL) {
 273         freeReplyObject(reply);
 274         return REDIS_OK;
 275     }
 276     return REDIS_ERR;
 277 }
 278
 279 /* Connect to the client. If force is not zero the connection is performed
 280  * even if there is already a connected socket. */
 281 static int cliConnect(int force) {
 282     if (context == NULL || force) {
 283         if (context != NULL)
 284             redisFree(context);
 285
 286         if (config.hostsocket == NULL) {
 287             context = redisConnect(config.hostip,config.hostport);
 288         } else {
 289             context = redisConnectUnix(config.hostsocket);
 290         }
 291
 292         if (context->err) {
 293             fprintf(stderr,"Could not connect to Redis at ");
 294             if (config.hostsocket == NULL)
 295                 fprintf(stderr,"%s:%d: %s\n",config.hostip,config.hostport,context->errstr);
 296             else
 297                 fprintf(stderr,"%s: %s\n",config.hostsocket,context->errstr);
 298             redisFree(context);
 299             context = NULL;
 300             return REDIS_ERR;
 301         }
 302
 303         /* Do AUTH and select the right DB. */
 304         if (cliAuth() != REDIS_OK)
 305             return REDIS_ERR;
 306         if (cliSelect() != REDIS_OK)
 307             return REDIS_ERR;
 308     }
 309     return REDIS_OK;
 310 }
 311
 312 static void cliPrintContextErrorAndExit() {
 313     if (context == NULL) return;
 314     fprintf(stderr,"Error: %s\n",context->errstr);
 315     exit(1);
 316 }
 317
 318 static sds cliFormatReplyTTY(redisReply *r, char *prefix) {
 319     sds out = sdsempty();
 320     switch (r->type) {
 321     case REDIS_REPLY_ERROR:
 322         out = sdscatprintf(out,"(error) %s\n", r->str);
 323     break;
 324     case REDIS_REPLY_STATUS:
 325         out = sdscat(out,r->str);
 326         out = sdscat(out,"\n");
 327     break;
 328     case REDIS_REPLY_INTEGER:
 329         out = sdscatprintf(out,"(integer) %lld\n",r->integer);
 330     break;
 331     case REDIS_REPLY_STRING:
 332         /* If you are producing output for the standard output we want
 333         * a more interesting output with quoted characters and so forth */
 334         out = sdscatrepr(out,r->str,r->len);
 335         out = sdscat(out,"\n");
 336     break;
 337     case REDIS_REPLY_NIL:
 338         out = sdscat(out,"(nil)\n");
 339     break;
 340     case REDIS_REPLY_ARRAY:
 341         if (r->elements == 0) {
 342             out = sdscat(out,"(empty list or set)\n");
 343         } else {
 344             unsigned int i, idxlen = 0;
 345             char _prefixlen[16];
 346             char _prefixfmt[16];
 347             sds _prefix;
 348             sds tmp;
 349
 350             /* Calculate chars needed to represent the largest index */
 351             i = r->elements;
 352             do {
 353                 idxlen++;
 354                 i /= 10;
 355             } while(i);
 356
 357             /* Prefix for nested multi bulks should grow with idxlen+2 spaces */
 358             memset(_prefixlen,' ',idxlen+2);
 359             _prefixlen[idxlen+2] = '\0';
 360             _prefix = sdscat(sdsnew(prefix),_prefixlen);
 361
 362             /* Setup prefix format for every entry */
 363             snprintf(_prefixfmt,sizeof(_prefixfmt),"%%s%%%dd) ",idxlen);
 364
 365             for (i = 0; i < r->elements; i++) {
 366                 /* Don't use the prefix for the first element, as the parent
 367                  * caller already prepended the index number. */
 368                 out = sdscatprintf(out,_prefixfmt,i == 0 ? "" : prefix,i+1);
 369
 370                 /* Format the multi bulk entry */
 371                 tmp = cliFormatReplyTTY(r->element[i],_prefix);
 372                 out = sdscatlen(out,tmp,sdslen(tmp));
 373                 sdsfree(tmp);
 374             }
 375             sdsfree(_prefix);
 376         }
 377     break;
 378     default:
 379         fprintf(stderr,"Unknown reply type: %d\n", r->type);
 380         exit(1);
 381     }
 382     return out;
 383 }
 384
 385 static sds cliFormatReplyRaw(redisReply *r) {
 386     sds out = sdsempty(), tmp;
 387     size_t i;
 388
 389     switch (r->type) {
 390     case REDIS_REPLY_NIL:
 391         /* Nothing... */
 392     break;
 393     case REDIS_REPLY_ERROR:
 394     case REDIS_REPLY_STATUS:
 395     case REDIS_REPLY_STRING:
 396         out = sdscatlen(out,r->str,r->len);
 397     break;
 398     case REDIS_REPLY_INTEGER:
 399         out = sdscatprintf(out,"%lld",r->integer);
 400     break;
 401     case REDIS_REPLY_ARRAY:
 402         for (i = 0; i < r->elements; i++) {
 403             if (i > 0) out = sdscat(out,config.mb_delim);
 404             tmp = cliFormatReplyRaw(r->element[i]);
 405             out = sdscatlen(out,tmp,sdslen(tmp));
 406             sdsfree(tmp);
 407         }
 408     break;
 409     default:
 410         fprintf(stderr,"Unknown reply type: %d\n", r->type);
 411         exit(1);
 412     }
 413     return out;
 414 }
 415
 416 static int cliReadReply(int output_raw_strings) {
 417     redisReply *reply;
 418     sds out;
 419
 420     if (redisGetReply(context,(void**)&reply) != REDIS_OK) {
 421         if (config.shutdown)
 422             return REDIS_OK;
 423         if (config.interactive) {
 424             /* Filter cases where we should reconnect */
 425             if (context->err == REDIS_ERR_IO && errno == ECONNRESET)
 426                 return REDIS_ERR;
 427             if (context->err == REDIS_ERR_EOF)
 428                 return REDIS_ERR;
 429         }
 430         cliPrintContextErrorAndExit();
 431         return REDIS_ERR; /* avoid compiler warning */
 432     }
 433
 434     if (output_raw_strings) {
 435         out = cliFormatReplyRaw(reply);
 436     } else {
 437         if (config.raw_output) {
 438             out = cliFormatReplyRaw(reply);
 439             out = sdscat(out,"\n");
 440         } else {
 441             out = cliFormatReplyTTY(reply,"");
 442         }
 443     }
 444     fwrite(out,sdslen(out),1,stdout);
 445     sdsfree(out);
 446     freeReplyObject(reply);
 447     return REDIS_OK;
 448 }
 449
 450 static int cliSendCommand(int argc, char **argv, int repeat) {
 451     char *command = argv[0];
 452     size_t *argvlen;
 453     int j, output_raw;
 454
 455     if (context == NULL) {
 456         printf("Not connected, please use: connect <host> <port>\n");
 457         return REDIS_OK;
 458     }
 459
 460     output_raw = !strcasecmp(command,"info");
 461     if (!strcasecmp(command,"help") || !strcasecmp(command,"?")) {
 462         cliOutputHelp(--argc, ++argv);
 463         return REDIS_OK;
 464     }
 465     if (!strcasecmp(command,"shutdown")) config.shutdown = 1;
 466     if (!strcasecmp(command,"monitor")) config.monitor_mode = 1;
 467     if (!strcasecmp(command,"subscribe") ||
 468         !strcasecmp(command,"psubscribe")) config.pubsub_mode = 1;
 469
 470     /* Setup argument length */
 471     argvlen = malloc(argc*sizeof(size_t));
 472     for (j = 0; j < argc; j++)
 473         argvlen[j] = sdslen(argv[j]);
 474
 475     while(repeat--) {
 476         redisAppendCommandArgv(context,argc,(const char**)argv,argvlen);
 477         while (config.monitor_mode) {
 478             if (cliReadReply(output_raw) != REDIS_OK) exit(1);
 479             fflush(stdout);
 480         }
 481
 482         if (config.pubsub_mode) {
 483             if (!config.raw_output)
 484                 printf("Reading messages... (press Ctrl-C to quit)\n");
 485             while (1) {
 486                 if (cliReadReply(output_raw) != REDIS_OK) exit(1);
 487             }
 488         }
 489
 490         if (cliReadReply(output_raw) != REDIS_OK)
 491             return REDIS_ERR;
 492     }
 493     return REDIS_OK;
 494 }
 495
 496 /*------------------------------------------------------------------------------
 497  * User interface
 498  *--------------------------------------------------------------------------- */
 499
 500 static int parseOptions(int argc, char **argv) {
 501     int i;
 502
 503     for (i = 1; i < argc; i++) {
 504         int lastarg = i==argc-1;
 505
 506         if (!strcmp(argv[i],"-h") && !lastarg) {
 507             sdsfree(config.hostip);
 508             config.hostip = sdsnew(argv[i+1]);
 509             i++;
 510         } else if (!strcmp(argv[i],"-h") && lastarg) {
 511             usage();
 512         } else if (!strcmp(argv[i],"--help")) {
 513             usage();
 514         } else if (!strcmp(argv[i],"-x")) {
 515             config.stdinarg = 1;
 516         } else if (!strcmp(argv[i],"-p") && !lastarg) {
 517             config.hostport = atoi(argv[i+1]);
 518             i++;
 519         } else if (!strcmp(argv[i],"-s") && !lastarg) {
 520             config.hostsocket = argv[i+1];
 521             i++;
 522         } else if (!strcmp(argv[i],"-r") && !lastarg) {
 523             config.repeat = strtoll(argv[i+1],NULL,10);
 524             i++;
 525         } else if (!strcmp(argv[i],"-n") && !lastarg) {
 526             config.dbnum = atoi(argv[i+1]);
 527             i++;
 528         } else if (!strcmp(argv[i],"-a") && !lastarg) {
 529             config.auth = argv[i+1];
 530             i++;
 531         } else if (!strcmp(argv[i],"--raw")) {
 532             config.raw_output = 1;
 533         } else if (!strcmp(argv[i],"-v") || !strcmp(argv[i], "--version")) {
 534             sds version = cliVersion();
 535             printf("redis-cli %s\n", version);
 536             sdsfree(version);
 537             exit(0);
 538         } else {
 539             break;
 540         }
 541     }
 542     return i;
 543 }
 544
 545 static sds readArgFromStdin(void) {
 546     char buf[1024];
 547     sds arg = sdsempty();
 548
 549     while(1) {
 550         int nread = read(fileno(stdin),buf,1024);
 551
 552         if (nread == 0) break;
 553         else if (nread == -1) {
 554             perror("Reading from standard input");
 555             exit(1);
 556         }
 557         arg = sdscatlen(arg,buf,nread);
 558     }
 559     return arg;
 560 }
 561
 562 static void usage() {
 563     sds version = cliVersion();
 564     fprintf(stderr,
 565 "redis-cli %s\n"
 566 "\n"
 567 "Usage: redis-cli [OPTIONS] [cmd [arg [arg ...]]]\n"
 568 "  -h <hostname>    Server hostname (default: 127.0.0.1)\n"
 569 "  -p <port>        Server port (default: 6379)\n"
 570 "  -s <socket>      Server socket (overrides hostname and port)\n"
 571 "  -a <password>    Password to use when connecting to the server\n"
 572 "  -r <repeat>      Execute specified command N times\n"
 573 "  -n <db>          Database number\n"
 574 "  -x               Read last argument from STDIN\n"
 575 "  --raw            Use raw formatting for replies (default when STDOUT is not a tty)\n"
 576 "  --help           Output this help and exit\n"
 577 "  --version        Output version and exit\n"
 578 "\n"
 579 "Examples:\n"
 580 "  cat /etc/passwd | redis-cli -x set mypasswd\n"
 581 "  redis-cli get mypasswd\n"
 582 "  redis-cli -r 100 lpush mylist x\n"
 583 "\n"
 584 "When no command is given, redis-cli starts in interactive mode.\n"
 585 "Type \"help\" in interactive mode for information on available commands.\n"
 586 "\n",
 587         version);
 588     sdsfree(version);
 589     exit(1);
 590 }
 591
 592 /* Turn the plain C strings into Sds strings */
 593 static char **convertToSds(int count, char** args) {
 594   int j;
 595   char **sds = zmalloc(sizeof(char*)*count);
 596
 597   for(j = 0; j < count; j++)
 598     sds[j] = sdsnew(args[j]);
 599
 600   return sds;
 601 }
 602
 603 #define LINE_BUFLEN 4096
 604 static void repl() {
 605     int argc, j;
 606     char *line;
 607     sds *argv;
 608
 609     config.interactive = 1;
 610     linenoiseSetCompletionCallback(completionCallback);
 611
 612     while((line = linenoise(context ? "redis> " : "not connected> ")) != NULL) {
 613         if (line[0] != '\0') {
 614             argv = sdssplitargs(line,&argc);
 615             linenoiseHistoryAdd(line);
 616             if (config.historyfile) linenoiseHistorySave(config.historyfile);
 617             if (argv == NULL) {
 618                 printf("Invalid argument(s)\n");
 619                 continue;
 620             } else if (argc > 0) {
 621                 if (strcasecmp(argv[0],"quit") == 0 ||
 622                     strcasecmp(argv[0],"exit") == 0)
 623                 {
 624                     exit(0);
 625                 } else if (argc == 3 && !strcasecmp(argv[0],"connect")) {
 626                     sdsfree(config.hostip);
 627                     config.hostip = sdsnew(argv[1]);
 628                     config.hostport = atoi(argv[2]);
 629                     cliConnect(1);
 630                 } else if (argc == 1 && !strcasecmp(argv[0],"clear")) {
 631                     linenoiseClearScreen();
 632                 } else {
 633                     long long start_time = mstime(), elapsed;
 634
 635                     if (cliSendCommand(argc,argv,1) != REDIS_OK) {
 636                         cliConnect(1);
 637
 638                         /* If we still cannot send the command,
 639                          * print error and abort. */
 640                         if (cliSendCommand(argc,argv,1) != REDIS_OK)
 641                             cliPrintContextErrorAndExit();
 642                     }
 643                     elapsed = mstime()-start_time;
 644                     if (elapsed >= 500) {
 645                         printf("(%.2fs)\n",(double)elapsed/1000);
 646                     }
 647                 }
 648             }
 649             /* Free the argument vector */
 650             for (j = 0; j < argc; j++)
 651                 sdsfree(argv[j]);
 652             zfree(argv);
 653         }
 654         /* linenoise() returns malloc-ed lines like readline() */
 655         free(line);
 656     }
 657     exit(0);
 658 }
 659
 660 static int noninteractive(int argc, char **argv) {
 661     int retval = 0;
 662     if (config.stdinarg) {
 663         argv = zrealloc(argv, (argc+1)*sizeof(char*));
 664         argv[argc] = readArgFromStdin();
 665         retval = cliSendCommand(argc+1, argv, config.repeat);
 666     } else {
 667         /* stdin is probably a tty, can be tested with S_ISCHR(s.st_mode) */
 668         retval = cliSendCommand(argc, argv, config.repeat);
 669     }
 670     return retval;
 671 }
 672
 673 int main(int argc, char **argv) {
 674     int firstarg;
 675
 676     config.hostip = sdsnew("127.0.0.1");
 677     config.hostport = 6379;
 678     config.hostsocket = NULL;
 679     config.repeat = 1;
 680     config.dbnum = 0;
 681     config.interactive = 0;
 682     config.shutdown = 0;
 683     config.monitor_mode = 0;
 684     config.pubsub_mode = 0;
 685     config.stdinarg = 0;
 686     config.auth = NULL;
 687     config.historyfile = NULL;
 688     config.raw_output = !isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL);
 689     config.mb_delim = sdsnew("\n");
 690     cliInitHelp();
 691
 692     if (getenv("HOME") != NULL) {
 693         config.historyfile = malloc(256);
 694         snprintf(config.historyfile,256,"%s/.rediscli_history",getenv("HOME"));
 695         linenoiseHistoryLoad(config.historyfile);
 696     }
 697
 698     firstarg = parseOptions(argc,argv);
 699     argc -= firstarg;
 700     argv += firstarg;
 701
 702     /* Try to connect */
 703     if (cliConnect(0) != REDIS_OK) exit(1);
 704
 705     /* Start interactive mode when no command is provided */
 706     if (argc == 0) repl();
 707     /* Otherwise, we have some arguments to execute */
 708     return noninteractive(argc,convertToSds(argc,argv));
 709 }