#define REDIS_NOTUSED(V) ((void) V)
+#define OUTPUT_STANDARD 0
+#define OUTPUT_RAW 1
+#define OUTPUT_CSV 2
+
static redisContext *context;
static struct config {
char *hostip;
int hostport;
char *hostsocket;
long repeat;
+ long interval;
int dbnum;
int interactive;
int shutdown;
int monitor_mode;
int pubsub_mode;
+ int latency_mode;
+ int cluster_mode;
+ int cluster_reissue_command;
+ int slave_mode;
int stdinarg; /* get last arg from stdin. (-x option) */
char *auth;
- char *historyfile;
- int raw_output; /* output mode per command */
+ int output; /* output mode, see OUTPUT_* defines */
sds mb_delim;
+ char prompt[128];
+ char *eval;
} config;
static void usage();
return mst;
}
+static void cliRefreshPrompt(void) {
+ int len;
+
+ if (config.hostsocket != NULL)
+ len = snprintf(config.prompt,sizeof(config.prompt),"redis %s",
+ config.hostsocket);
+ else
+ len = snprintf(config.prompt,sizeof(config.prompt),"redis %s:%d",
+ config.hostip, config.hostport);
+ /* Add [dbnum] if needed */
+ if (config.dbnum != 0)
+ len += snprintf(config.prompt+len,sizeof(config.prompt)-len,"[%d]",
+ config.dbnum);
+ snprintf(config.prompt+len,sizeof(config.prompt)-len,"> ");
+}
+
/*------------------------------------------------------------------------------
* Help functions
*--------------------------------------------------------------------------- */
/* Send SELECT dbnum to the server */
static int cliSelect() {
redisReply *reply;
- char dbnum[16];
if (config.dbnum == 0) return REDIS_OK;
- snprintf(dbnum,sizeof(dbnum),"%d",config.dbnum);
- reply = redisCommand(context,"SELECT %s",dbnum);
+ reply = redisCommand(context,"SELECT %d",config.dbnum);
if (reply != NULL) {
freeReplyObject(reply);
return REDIS_OK;
return REDIS_OK;
}
-static void cliPrintContextErrorAndExit() {
+static void cliPrintContextError() {
if (context == NULL) return;
fprintf(stderr,"Error: %s\n",context->errstr);
- exit(1);
}
static sds cliFormatReplyTTY(redisReply *r, char *prefix) {
switch (r->type) {
case REDIS_REPLY_NIL:
/* Nothing... */
- break;
+ break;
case REDIS_REPLY_ERROR:
+ out = sdscatlen(out,r->str,r->len);
+ out = sdscatlen(out,"\n",1);
+ break;
case REDIS_REPLY_STATUS:
case REDIS_REPLY_STRING:
out = sdscatlen(out,r->str,r->len);
- break;
+ break;
case REDIS_REPLY_INTEGER:
out = sdscatprintf(out,"%lld",r->integer);
- break;
+ break;
case REDIS_REPLY_ARRAY:
for (i = 0; i < r->elements; i++) {
if (i > 0) out = sdscat(out,config.mb_delim);
out = sdscatlen(out,tmp,sdslen(tmp));
sdsfree(tmp);
}
+ break;
+ default:
+ fprintf(stderr,"Unknown reply type: %d\n", r->type);
+ exit(1);
+ }
+ return out;
+}
+
+static sds cliFormatReplyCSV(redisReply *r) {
+ unsigned int i;
+
+ sds out = sdsempty();
+ switch (r->type) {
+ case REDIS_REPLY_ERROR:
+ out = sdscat(out,"ERROR,");
+ out = sdscatrepr(out,r->str,strlen(r->str));
+ break;
+ case REDIS_REPLY_STATUS:
+ out = sdscatrepr(out,r->str,r->len);
+ break;
+ case REDIS_REPLY_INTEGER:
+ out = sdscatprintf(out,"%lld",r->integer);
+ break;
+ case REDIS_REPLY_STRING:
+ out = sdscatrepr(out,r->str,r->len);
+ break;
+ case REDIS_REPLY_NIL:
+ out = sdscat(out,"NIL\n");
+ break;
+ case REDIS_REPLY_ARRAY:
+ for (i = 0; i < r->elements; i++) {
+ sds tmp = cliFormatReplyCSV(r->element[i]);
+ out = sdscatlen(out,tmp,sdslen(tmp));
+ if (i != r->elements-1) out = sdscat(out,",");
+ sdsfree(tmp);
+ }
break;
default:
fprintf(stderr,"Unknown reply type: %d\n", r->type);
void *_reply;
redisReply *reply;
sds out;
+ int output = 1;
if (redisGetReply(context,&_reply) != REDIS_OK) {
if (config.shutdown)
if (context->err == REDIS_ERR_EOF)
return REDIS_ERR;
}
- cliPrintContextErrorAndExit();
+ cliPrintContextError();
+ exit(1);
return REDIS_ERR; /* avoid compiler warning */
}
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.output == OUTPUT_RAW) {
+ out = cliFormatReplyRaw(reply);
+ out = sdscat(out,"\n");
+ } else if (config.output == OUTPUT_STANDARD) {
+ out = cliFormatReplyTTY(reply,"");
+ } else if (config.output == OUTPUT_CSV) {
+ out = cliFormatReplyCSV(reply);
+ out = sdscat(out,"\n");
+ }
}
+ fwrite(out,sdslen(out),1,stdout);
+ sdsfree(out);
}
- fwrite(out,sdslen(out),1,stdout);
- sdsfree(out);
freeReplyObject(reply);
return REDIS_OK;
}
size_t *argvlen;
int j, output_raw;
- if (context == NULL) {
- printf("Not connected, please use: connect <host> <port>\n");
- return REDIS_OK;
- }
-
- output_raw = !strcasecmp(command,"info");
if (!strcasecmp(command,"help") || !strcasecmp(command,"?")) {
cliOutputHelp(--argc, ++argv);
return REDIS_OK;
}
+
+ if (context == NULL) return REDIS_ERR;
+
+ output_raw = 0;
+ if (!strcasecmp(command,"info") ||
+ (argc == 2 && !strcasecmp(command,"cluster") &&
+ (!strcasecmp(argv[1],"nodes") ||
+ !strcasecmp(argv[1],"info"))) ||
+ (argc == 2 && !strcasecmp(command,"client") &&
+ !strcasecmp(argv[1],"list")))
+
+ {
+ output_raw = 1;
+ }
+
if (!strcasecmp(command,"shutdown")) config.shutdown = 1;
if (!strcasecmp(command,"monitor")) config.monitor_mode = 1;
if (!strcasecmp(command,"subscribe") ||
}
if (config.pubsub_mode) {
- if (!config.raw_output)
+ if (config.output != OUTPUT_RAW)
printf("Reading messages... (press Ctrl-C to quit)\n");
while (1) {
if (cliReadReply(output_raw) != REDIS_OK) exit(1);
}
}
- if (cliReadReply(output_raw) != REDIS_OK)
+ if (cliReadReply(output_raw) != REDIS_OK) {
+ free(argvlen);
return REDIS_ERR;
+ } else {
+ /* Store database number when SELECT was successfully executed. */
+ if (!strcasecmp(command,"select") && argc == 2) {
+ config.dbnum = atoi(argv[1]);
+ cliRefreshPrompt();
+ }
+ }
+ if (config.interval) usleep(config.interval);
+ fflush(stdout); /* Make it grep friendly */
}
+
+ free(argvlen);
return REDIS_OK;
}
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")) {
} 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]);
+ config.interval = seconds*1000000;
} 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;
+ config.output = OUTPUT_RAW;
+ } else if (!strcmp(argv[i],"--csv")) {
+ config.output = OUTPUT_CSV;
+ } else if (!strcmp(argv[i],"--latency")) {
+ config.latency_mode = 1;
+ } else if (!strcmp(argv[i],"--slave")) {
+ config.slave_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);
" -s <socket> Server socket (overrides hostname and port)\n"
" -a <password> Password to use when connecting to the server\n"
" -r <repeat> Execute specified command N times\n"
+" -i <interval> When -r is used, waits <interval> seconds per command.\n"
+" It is possible to specify sub-second times like -i 0.1.\n"
" -n <db> Database number\n"
" -x Read last argument from STDIN\n"
" -d <delimiter> 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"
+" --slave Simulate a slave showing commands received from the master.\n"
+" --eval <file> Send an EVAL command using the Lua script at <file>.\n"
" --help Output this help and exit\n"
" --version Output version and exit\n"
"\n"
" cat /etc/passwd | redis-cli -x set mypasswd\n"
" 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"
#define LINE_BUFLEN 4096
static void repl() {
- int argc, j;
+ sds historyfile = NULL;
+ int history = 0;
char *line;
+ int argc;
sds *argv;
config.interactive = 1;
linenoiseSetCompletionCallback(completionCallback);
- while((line = linenoise(context ? "redis> " : "not connected> ")) != NULL) {
+ /* Only use history when stdin is a tty. */
+ if (isatty(fileno(stdin))) {
+ history = 1;
+
+ if (getenv("HOME") != NULL) {
+ historyfile = sdscatprintf(sdsempty(),"%s/.rediscli_history",getenv("HOME"));
+ linenoiseHistoryLoad(historyfile);
+ }
+ }
+
+ cliRefreshPrompt();
+ while((line = linenoise(context ? config.prompt : "not connected> ")) != NULL) {
if (line[0] != '\0') {
argv = sdssplitargs(line,&argc);
- linenoiseHistoryAdd(line);
- if (config.historyfile) linenoiseHistorySave(config.historyfile);
+ if (history) linenoiseHistoryAdd(line);
+ if (historyfile) linenoiseHistorySave(historyfile);
+
if (argv == NULL) {
printf("Invalid argument(s)\n");
+ free(line);
continue;
} else if (argc > 0) {
if (strcasecmp(argv[0],"quit") == 0 ||
linenoiseClearScreen();
} else {
long long start_time = mstime(), elapsed;
+ int repeat, skipargs = 0;
- if (cliSendCommand(argc,argv,1) != REDIS_OK) {
- cliConnect(1);
+ repeat = atoi(argv[0]);
+ if (argc > 1 && repeat) {
+ skipargs = 1;
+ } else {
+ repeat = 1;
+ }
- /* If we still cannot send the command,
- * print error and abort. */
- if (cliSendCommand(argc,argv,1) != REDIS_OK)
- cliPrintContextErrorAndExit();
+ while (1) {
+ config.cluster_reissue_command = 0;
+ 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. */
+ 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) {
}
}
/* Free the argument vector */
- for (j = 0; j < argc; j++)
- sdsfree(argv[j]);
+ while(argc--) sdsfree(argv[argc]);
zfree(argv);
}
/* linenoise() returns malloc-ed lines like readline() */
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;
+ double avg;
+
+ if (!context) exit(1);
+ while(1) {
+ start = mstime();
+ reply = redisCommand(context,"PING");
+ if (reply == NULL) {
+ fprintf(stderr,"\nI/O error\n");
+ exit(1);
+ }
+ latency = mstime()-start;
+ freeReplyObject(reply);
+ count++;
+ if (count == 1) {
+ min = max = tot = latency;
+ avg = (double) latency;
+ } else {
+ if (latency < min) min = latency;
+ if (latency > max) max = latency;
+ tot += latency;
+ avg = (double) tot/count;
+ }
+ printf("\x1b[0G\x1b[2Kmin: %lld, max: %lld, avg: %.2f (%lld samples)",
+ min, max, avg, count);
+ fflush(stdout);
+ usleep(10000);
+ }
+}
+
+static void slaveMode(void) {
+ /* To start we need to send the SYNC command and return the payload.
+ * The hiredis client lib does not understand this part of the protocol
+ * and we don't want to mess with its buffers, so everything is performed
+ * using direct low-level I/O. */
+ int fd = context->fd;
+ char buf[1024], *p;
+ ssize_t nread;
+ unsigned long long payload;
+
+ /* Send the SYNC command. */
+ write(fd,"SYNC\r\n",6);
+
+ /* Read $<payload>\r\n, making sure to read just up to "\n" */
+ p = buf;
+ while(1) {
+ nread = read(fd,p,1);
+ if (nread <= 0) {
+ fprintf(stderr,"Error reading bulk length while SYNCing\n");
+ exit(1);
+ }
+ if (*p == '\n') break;
+ p++;
+ }
+ *p = '\0';
+ payload = strtoull(buf+1,NULL,10);
+ fprintf(stderr,"SYNC with master, discarding %lld bytes of bulk tranfer...\n",
+ payload);
+
+ /* Discard the payload. */
+ while(payload) {
+ nread = read(fd,buf,(payload > sizeof(buf)) ? sizeof(buf) : payload);
+ if (nread <= 0) {
+ fprintf(stderr,"Error reading RDB payload while SYNCing\n");
+ exit(1);
+ }
+ payload -= nread;
+ }
+ fprintf(stderr,"SYNC done. Logging commands from master.\n");
+
+ /* Now we can use the hiredis to read the incoming protocol. */
+ config.output = OUTPUT_CSV;
+ while (cliReadReply(0) == REDIS_OK);
+}
+
int main(int argc, char **argv) {
int firstarg;
config.hostport = 6379;
config.hostsocket = NULL;
config.repeat = 1;
+ config.interval = 0;
config.dbnum = 0;
config.interactive = 0;
config.shutdown = 0;
config.monitor_mode = 0;
config.pubsub_mode = 0;
+ config.latency_mode = 0;
+ config.cluster_mode = 0;
config.stdinarg = 0;
config.auth = NULL;
- config.historyfile = NULL;
- config.raw_output = !isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL);
+ config.eval = NULL;
+ if (!isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL))
+ config.output = OUTPUT_RAW;
+ else
+ config.output = OUTPUT_STANDARD;
config.mb_delim = sdsnew("\n");
cliInitHelp();
- if (getenv("HOME") != NULL) {
- config.historyfile = malloc(256);
- snprintf(config.historyfile,256,"%s/.rediscli_history",getenv("HOME"));
- linenoiseHistoryLoad(config.historyfile);
- }
-
firstarg = parseOptions(argc,argv);
argc -= firstarg;
argv += firstarg;
- /* Try to connect */
- if (cliConnect(0) != REDIS_OK) exit(1);
+ /* Start in latency mode if appropriate */
+ if (config.latency_mode) {
+ cliConnect(0);
+ latencyMode();
+ }
+
+ /* Start in slave mode if appropriate */
+ if (config.slave_mode) {
+ cliConnect(0);
+ slaveMode();
+ }
/* Start interactive mode when no command is provided */
- if (argc == 0) repl();
+ 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);
+ repl();
+ }
+
/* Otherwise, we have some arguments to execute */
- return noninteractive(argc,convertToSds(argc,argv));
+ if (cliConnect(0) != REDIS_OK) exit(1);
+ if (config.eval) {
+ return evalMode(argc,argv);
+ } else {
+ return noninteractive(argc,convertToSds(argc,argv));
+ }
}
projects / redis.git / blobdiff