rioInitWithFile nad rioInitWithBuffer functions now take a rio structure pointer...

[redis.git] / src / redis-cli.c

diff --git a/src/redis-cli.c b/src/redis-cli.c
index e19a555f4ba2415252b4ca0ee3f6fee0fdcf2329..b129df612d04700b55547b8a889580ad5dec6dbe 100644 (file)
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -55,15 +55,18 @@ static struct config {
     int hostport;
     char *hostsocket;
     long repeat;
     int hostport;
     char *hostsocket;
     long repeat;

+    long interval;

     int dbnum;
     int interactive;
     int shutdown;
     int monitor_mode;
     int pubsub_mode;
     int dbnum;
     int interactive;
     int shutdown;
     int monitor_mode;
     int pubsub_mode;

+    int latency_mode;

     int stdinarg; /* get last arg from stdin. (-x option) */
     char *auth;
     int raw_output; /* output mode per command */
     sds mb_delim;
     int stdinarg; /* get last arg from stdin. (-x option) */
     char *auth;
     int raw_output; /* output mode per command */
     sds mb_delim;

+    char prompt[32];

 } config;
 
 static void usage();
 } config;
 
 static void usage();


@@ -84,6 +87,15 @@ static long long mstime(void) {
     return mst;
 }
 
     return mst;
 }
 

+static void cliRefreshPrompt(void) {
+    if (config.dbnum == 0)
+        snprintf(config.prompt,sizeof(config.prompt),"redis %s:%d> ",
+            config.hostip, config.hostport);
+    else
+        snprintf(config.prompt,sizeof(config.prompt),"redis %s:%d[%d]> ",
+            config.hostip, config.hostport, config.dbnum);
+}
+

 /*------------------------------------------------------------------------------
  * Help functions
  *--------------------------------------------------------------------------- */
 /*------------------------------------------------------------------------------
  * Help functions
  *--------------------------------------------------------------------------- */


@@ -263,11 +275,9 @@ static int cliAuth() {
 /* Send SELECT dbnum to the server */
 static int cliSelect() {
     redisReply *reply;
 /* Send SELECT dbnum to the server */
 static int cliSelect() {
     redisReply *reply;

-    char dbnum[16];

     if (config.dbnum == 0) return REDIS_OK;
 
     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;
     if (reply != NULL) {
         freeReplyObject(reply);
         return REDIS_OK;


@@ -308,10 +318,9 @@ static int cliConnect(int force) {
     return REDIS_OK;
 }
 
     return REDIS_OK;
 }
 

-static void cliPrintContextErrorAndExit() {
+static void cliPrintContextError() {

     if (context == NULL) return;
     fprintf(stderr,"Error: %s\n",context->errstr);
     if (context == NULL) return;
     fprintf(stderr,"Error: %s\n",context->errstr);

-    exit(1);

 }
 
 static sds cliFormatReplyTTY(redisReply *r, char *prefix) {
 }
 
 static sds cliFormatReplyTTY(redisReply *r, char *prefix) {


@@ -388,15 +397,18 @@ static sds cliFormatReplyRaw(redisReply *r) {
     switch (r->type) {
     case REDIS_REPLY_NIL:
         /* Nothing... */
     switch (r->type) {
     case REDIS_REPLY_NIL:
         /* Nothing... */

-    break;
+        break;

     case REDIS_REPLY_ERROR:
     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);
     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);
     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);
     case REDIS_REPLY_ARRAY:
         for (i = 0; i < r->elements; i++) {
             if (i > 0) out = sdscat(out,config.mb_delim);


@@ -404,7 +416,7 @@ static sds cliFormatReplyRaw(redisReply *r) {
             out = sdscatlen(out,tmp,sdslen(tmp));
             sdsfree(tmp);
         }
             out = sdscatlen(out,tmp,sdslen(tmp));
             sdsfree(tmp);
         }

-    break;
+        break;

     default:
         fprintf(stderr,"Unknown reply type: %d\n", r->type);
         exit(1);
     default:
         fprintf(stderr,"Unknown reply type: %d\n", r->type);
         exit(1);


@@ -427,7 +439,8 @@ static int cliReadReply(int output_raw_strings) {
             if (context->err == REDIS_ERR_EOF)
                 return REDIS_ERR;
         }
             if (context->err == REDIS_ERR_EOF)
                 return REDIS_ERR;
         }

-        cliPrintContextErrorAndExit();
+        cliPrintContextError();
+        exit(1);

         return REDIS_ERR; /* avoid compiler warning */
     }
 
         return REDIS_ERR; /* avoid compiler warning */
     }
 


@@ -453,12 +466,20 @@ static int cliSendCommand(int argc, char **argv, int repeat) {
     size_t *argvlen;
     int j, output_raw;
 
     size_t *argvlen;
     int j, output_raw;
 

-    if (context == NULL) {
-        printf("Not connected, please use: connect <host> <port>\n");
-        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;

     }
 
     }
 

-    output_raw = !strcasecmp(command,"info");

     if (!strcasecmp(command,"help") || !strcasecmp(command,"?")) {
         cliOutputHelp(--argc, ++argv);
         return REDIS_OK;
     if (!strcasecmp(command,"help") || !strcasecmp(command,"?")) {
         cliOutputHelp(--argc, ++argv);
         return REDIS_OK;


@@ -491,7 +512,15 @@ static int cliSendCommand(int argc, char **argv, int repeat) {
         if (cliReadReply(output_raw) != REDIS_OK) {
             free(argvlen);
             return REDIS_ERR;
         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);
     }
 
     free(argvlen);


@@ -527,6 +556,10 @@ static int parseOptions(int argc, char **argv) {
         } else if (!strcmp(argv[i],"-r") && !lastarg) {
             config.repeat = strtoll(argv[i+1],NULL,10);
             i++;
         } else if (!strcmp(argv[i],"-r") && !lastarg) {
             config.repeat = strtoll(argv[i+1],NULL,10);
             i++;

+        } else if (!strcmp(argv[i],"-i") && !lastarg) {
+            double seconds = atof(argv[i+1]);
+            config.interval = seconds*1000000;
+            i++;

         } else if (!strcmp(argv[i],"-n") && !lastarg) {
             config.dbnum = atoi(argv[i+1]);
             i++;
         } else if (!strcmp(argv[i],"-n") && !lastarg) {
             config.dbnum = atoi(argv[i+1]);
             i++;


@@ -535,6 +568,8 @@ static int parseOptions(int argc, char **argv) {
             i++;
         } else if (!strcmp(argv[i],"--raw")) {
             config.raw_output = 1;
             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],"-d") && !lastarg) {
             sdsfree(config.mb_delim);
             config.mb_delim = sdsnew(argv[i+1]);
         } else if (!strcmp(argv[i],"-d") && !lastarg) {
             sdsfree(config.mb_delim);
             config.mb_delim = sdsnew(argv[i+1]);


@@ -579,10 +614,13 @@ static void usage() {
 "  -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"
 "  -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"
 "  --raw            Use raw formatting for replies (default when STDOUT is not a tty)\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"
 "  --raw            Use raw formatting for replies (default when STDOUT is not a tty)\n"

+"  --latency        Enter a special mode continuously sampling latency.\n"

 "  --help           Output this help and exit\n"
 "  --version        Output version and exit\n"
 "\n"
 "  --help           Output this help and exit\n"
 "  --version        Output version and exit\n"
 "\n"


@@ -590,6 +628,7 @@ static void usage() {
 "  cat /etc/passwd | redis-cli -x set mypasswd\n"
 "  redis-cli get mypasswd\n"
 "  redis-cli -r 100 lpush mylist x\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"

 "\n"
 "When no command is given, redis-cli starts in interactive mode.\n"
 "Type \"help\" in interactive mode for information on available commands.\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"


@@ -631,7 +670,8 @@ static void repl() {
         }
     }
 
         }
     }
 

-    while((line = linenoise(context ? "redis> " : "not connected> ")) != NULL) {
+    cliRefreshPrompt();
+    while((line = linenoise(context ? config.prompt : "not connected> ")) != NULL) {

         if (line[0] != '\0') {
             argv = sdssplitargs(line,&argc);
             if (history) linenoiseHistoryAdd(line);
         if (line[0] != '\0') {
             argv = sdssplitargs(line,&argc);
             if (history) linenoiseHistoryAdd(line);


@@ -654,14 +694,25 @@ static void repl() {
                     linenoiseClearScreen();
                 } else {
                     long long start_time = mstime(), elapsed;
                     linenoiseClearScreen();
                 } else {
                     long long start_time = mstime(), elapsed;

+                    int repeat, skipargs = 0;
+
+                    repeat = atoi(argv[0]);
+                    if (argc > 1 && repeat) {
+                        skipargs = 1;
+                    } else {
+                        repeat = 1;
+                    }

 
 

-                    if (cliSendCommand(argc,argv,1) != REDIS_OK) {
+                    if (cliSendCommand(argc-skipargs,argv+skipargs,repeat)
+                        != REDIS_OK)
+                    {

                         cliConnect(1);
 
                         cliConnect(1);
 

-                        /* If we still cannot send the command,
-                         * print error and abort. */
-                        if (cliSendCommand(argc,argv,1) != REDIS_OK)
-                            cliPrintContextErrorAndExit();
+                        /* 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();

                     }
                     elapsed = mstime()-start_time;
                     if (elapsed >= 500) {
                     }
                     elapsed = mstime()-start_time;
                     if (elapsed >= 500) {


@@ -692,6 +743,38 @@ static int noninteractive(int argc, char **argv) {
     return retval;
 }
 
     return retval;
 }
 

+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);
+    }
+}
+

 int main(int argc, char **argv) {
     int firstarg;
 
 int main(int argc, char **argv) {
     int firstarg;
 


@@ -699,11 +782,13 @@ int main(int argc, char **argv) {
     config.hostport = 6379;
     config.hostsocket = NULL;
     config.repeat = 1;
     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.dbnum = 0;
     config.interactive = 0;
     config.shutdown = 0;
     config.monitor_mode = 0;
     config.pubsub_mode = 0;

+    config.latency_mode = 0;

     config.stdinarg = 0;
     config.auth = NULL;
     config.raw_output = !isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL);
     config.stdinarg = 0;
     config.auth = NULL;
     config.raw_output = !isatty(fileno(stdout)) && (getenv("FAKETTY") == NULL);


@@ -714,11 +799,21 @@ int main(int argc, char **argv) {
     argc -= firstarg;
     argv += firstarg;
 
     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 interactive mode when no command is provided */
 
     /* Start interactive mode when no command is provided */

-    if (argc == 0) repl();
+    if (argc == 0) {
+        /* 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 */
     /* Otherwise, we have some arguments to execute */

+    if (cliConnect(0) != REDIS_OK) exit(1);

     return noninteractive(argc,convertToSds(argc,argv));
 }
     return noninteractive(argc,convertToSds(argc,argv));
 }