X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/18be93e0a48455587812d700d5bf16505a592516..48a32944e6b5e30754701109ff23d85a418d3d4d:/src/redis-cli.c diff --git a/src/redis-cli.c b/src/redis-cli.c index 328cd3df..3f60a132 100644 --- a/src/redis-cli.c +++ b/src/redis-cli.c @@ -62,11 +62,14 @@ static struct config { int monitor_mode; int pubsub_mode; int latency_mode; + int cluster_mode; + int cluster_reissue_command; int stdinarg; /* get last arg from stdin. (-x option) */ char *auth; int raw_output; /* output mode per command */ sds mb_delim; char prompt[32]; + char *eval; } config; static void usage(); @@ -428,6 +431,7 @@ static int cliReadReply(int output_raw_strings) { void *_reply; redisReply *reply; sds out; + int output = 1; if (redisGetReply(context,&_reply) != REDIS_OK) { if (config.shutdown) @@ -445,18 +449,49 @@ static int cliReadReply(int output_raw_strings) { } reply = (redisReply*)_reply; - if (output_raw_strings) { - out = cliFormatReplyRaw(reply); - } else { - if (config.raw_output) { + + /* Check if we need to connect to a different node and reissue the request. */ + if (config.cluster_mode && reply->type == REDIS_REPLY_ERROR && + (!strncmp(reply->str,"MOVED",5) || !strcmp(reply->str,"ASK"))) + { + char *p = reply->str, *s; + int slot; + + output = 0; + /* Comments show the position of the pointer as: + * + * [S] for pointer 's' + * [P] for pointer 'p' + */ + s = strchr(p,' '); /* MOVED[S]3999 127.0.0.1:6381 */ + p = strchr(s+1,' '); /* MOVED[S]3999[P]127.0.0.1:6381 */ + *p = '\0'; + slot = atoi(s+1); + s = strchr(p+1,':'); /* MOVED 3999[P]127.0.0.1[S]6381 */ + *s = '\0'; + sdsfree(config.hostip); + config.hostip = sdsnew(p+1); + config.hostport = atoi(s+1); + if (config.interactive) + printf("-> Redirected to slot [%d] located at %s:%d\n", + slot, config.hostip, config.hostport); + config.cluster_reissue_command = 1; + } + + if (output) { + if (output_raw_strings) { out = cliFormatReplyRaw(reply); - out = sdscat(out,"\n"); } else { - out = cliFormatReplyTTY(reply,""); + if (config.raw_output) { + out = cliFormatReplyRaw(reply); + out = sdscat(out,"\n"); + } else { + out = cliFormatReplyTTY(reply,""); + } } + fwrite(out,sdslen(out),1,stdout); + sdsfree(out); } - fwrite(out,sdslen(out),1,stdout); - sdsfree(out); freeReplyObject(reply); return REDIS_OK; } @@ -539,8 +574,7 @@ static int parseOptions(int argc, char **argv) { if (!strcmp(argv[i],"-h") && !lastarg) { sdsfree(config.hostip); - config.hostip = sdsnew(argv[i+1]); - i++; + config.hostip = sdsnew(argv[++i]); } else if (!strcmp(argv[i],"-h") && lastarg) { usage(); } else if (!strcmp(argv[i],"--help")) { @@ -548,32 +582,29 @@ static int parseOptions(int argc, char **argv) { } else if (!strcmp(argv[i],"-x")) { config.stdinarg = 1; } else if (!strcmp(argv[i],"-p") && !lastarg) { - config.hostport = atoi(argv[i+1]); - i++; + config.hostport = atoi(argv[++i]); } else if (!strcmp(argv[i],"-s") && !lastarg) { - config.hostsocket = argv[i+1]; - i++; + config.hostsocket = argv[++i]; } else if (!strcmp(argv[i],"-r") && !lastarg) { - config.repeat = strtoll(argv[i+1],NULL,10); - i++; + config.repeat = strtoll(argv[++i],NULL,10); } else if (!strcmp(argv[i],"-i") && !lastarg) { - double seconds = atof(argv[i+1]); + double seconds = atof(argv[++i]); config.interval = seconds*1000000; - i++; } else if (!strcmp(argv[i],"-n") && !lastarg) { - config.dbnum = atoi(argv[i+1]); - i++; + config.dbnum = atoi(argv[++i]); } else if (!strcmp(argv[i],"-a") && !lastarg) { - config.auth = argv[i+1]; - i++; + config.auth = argv[++i]; } else if (!strcmp(argv[i],"--raw")) { config.raw_output = 1; } else if (!strcmp(argv[i],"--latency")) { config.latency_mode = 1; + } else if (!strcmp(argv[i],"--eval") && !lastarg) { + config.eval = argv[++i]; + } else if (!strcmp(argv[i],"-c")) { + config.cluster_mode = 1; } else if (!strcmp(argv[i],"-d") && !lastarg) { sdsfree(config.mb_delim); - config.mb_delim = sdsnew(argv[i+1]); - i++; + config.mb_delim = sdsnew(argv[++i]); } else if (!strcmp(argv[i],"-v") || !strcmp(argv[i], "--version")) { sds version = cliVersion(); printf("redis-cli %s\n", version); @@ -619,8 +650,10 @@ static void usage() { " -n Database number\n" " -x Read last argument from STDIN\n" " -d Multi-bulk delimiter in for raw formatting (default: \\n)\n" +" -c Enable cluster mode (follow -ASK and -MOVED redirections)\n" " --raw Use raw formatting for replies (default when STDOUT is not a tty)\n" " --latency Enter a special mode continuously sampling latency.\n" +" --eval Send an EVAL command using the Lua script at .\n" " --help Output this help and exit\n" " --version Output version and exit\n" "\n" @@ -629,6 +662,8 @@ static void usage() { " redis-cli get mypasswd\n" " redis-cli -r 100 lpush mylist x\n" " redis-cli -r 100 -i 1 info | grep used_memory_human:\n" +" redis-cli --eval myscript.lua key1 key2 , arg1 arg2 arg3\n" +" (Note: when using --eval the comma separates KEYS[] from ARGV[] items)\n" "\n" "When no command is given, redis-cli starts in interactive mode.\n" "Type \"help\" in interactive mode for information on available commands.\n" @@ -679,6 +714,7 @@ static void repl() { if (argv == NULL) { printf("Invalid argument(s)\n"); + free(line); continue; } else if (argc > 0) { if (strcasecmp(argv[0],"quit") == 0 || @@ -697,22 +733,31 @@ static void repl() { int repeat, skipargs = 0; repeat = atoi(argv[0]); - if (repeat) { + if (argc > 1 && repeat) { skipargs = 1; } else { repeat = 1; } - if (cliSendCommand(argc-skipargs,argv+skipargs,repeat) - != REDIS_OK) - { - cliConnect(1); - - /* If we still cannot send the command print error. - * We'll try to reconnect the next time. */ + while (1) { + config.cluster_reissue_command = 0; if (cliSendCommand(argc-skipargs,argv+skipargs,repeat) != REDIS_OK) - cliPrintContextError(); + { + cliConnect(1); + + /* If we still cannot send the command print error. + * We'll try to reconnect the next time. */ + if (cliSendCommand(argc-skipargs,argv+skipargs,repeat) + != REDIS_OK) + cliPrintContextError(); + } + /* Issue the command again if we got redirected in cluster mode */ + if (config.cluster_mode && config.cluster_reissue_command) { + cliConnect(1); + } else { + break; + } } elapsed = mstime()-start_time; if (elapsed >= 500) { @@ -743,6 +788,44 @@ static int noninteractive(int argc, char **argv) { return retval; } +static int evalMode(int argc, char **argv) { + sds script = sdsempty(); + FILE *fp; + char buf[1024]; + size_t nread; + char **argv2; + int j, got_comma = 0, keys = 0; + + /* Load the script from the file, as an sds string. */ + fp = fopen(config.eval,"r"); + if (!fp) { + fprintf(stderr, + "Can't open file '%s': %s\n", config.eval, strerror(errno)); + exit(1); + } + while((nread = fread(buf,1,sizeof(buf),fp)) != 0) { + script = sdscatlen(script,buf,nread); + } + fclose(fp); + + /* Create our argument vector */ + argv2 = zmalloc(sizeof(sds)*(argc+3)); + argv2[0] = sdsnew("EVAL"); + argv2[1] = script; + for (j = 0; j < argc; j++) { + if (!got_comma && argv[j][0] == ',' && argv[j][1] == 0) { + got_comma = 1; + continue; + } + argv2[j+3-got_comma] = sdsnew(argv[j]); + if (!got_comma) keys++; + } + argv2[2] = sdscatprintf(sdsempty(),"%d",keys); + + /* Call it */ + return cliSendCommand(argc+3-got_comma, argv2, config.repeat); +} + static void latencyMode(void) { redisReply *reply; long long start, latency, min, max, tot, count = 0; @@ -789,8 +872,10 @@ int main(int argc, char **argv) { config.monitor_mode = 0; config.pubsub_mode = 0; config.latency_mode = 0; + config.cluster_mode = 0; config.stdinarg = 0; config.auth = NULL; + config.eval = NULL; config.raw_output = !isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL); config.mb_delim = sdsnew("\n"); cliInitHelp(); @@ -806,7 +891,7 @@ int main(int argc, char **argv) { } /* Start interactive mode when no command is provided */ - if (argc == 0) { + if (argc == 0 && !config.eval) { /* Note that in repl mode we don't abort on connection error. * A new attempt will be performed for every command send. */ cliConnect(0); @@ -815,5 +900,9 @@ int main(int argc, char **argv) { /* Otherwise, we have some arguments to execute */ if (cliConnect(0) != REDIS_OK) exit(1); - return noninteractive(argc,convertToSds(argc,argv)); + if (config.eval) { + return evalMode(argc,argv); + } else { + return noninteractive(argc,convertToSds(argc,argv)); + } }