X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/a88a2af6c5a5248227dd5436a93a637000e88d8c..8632fb30401ccc6824b84499602fba7052cc3346:/redis-cli.c

diff --git a/redis-cli.c b/redis-cli.c
index 2522396f..2daa7c46 100644
--- a/redis-cli.c
+++ b/redis-cli.c
@@ -53,134 +53,18 @@ static struct config {
     int hostport;
     long repeat;
     int dbnum;
+    int argn_from_stdin;
     int interactive;
+    int shutdown;
+    int monitor_mode;
+    int pubsub_mode;
+    int raw_output;
     char *auth;
 } config;
 
-struct redisCommand {
-    char *name;
-    int arity;
-    int flags;
-};
-
-static struct redisCommand cmdTable[] = {
-    {"auth",2,REDIS_CMD_INLINE},
-    {"get",2,REDIS_CMD_INLINE},
-    {"set",3,REDIS_CMD_BULK},
-    {"setnx",3,REDIS_CMD_BULK},
-    {"setex",4,REDIS_CMD_BULK},
-    {"append",3,REDIS_CMD_BULK},
-    {"substr",4,REDIS_CMD_INLINE},
-    {"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},
-    {"brpop",-3,REDIS_CMD_INLINE},
-    {"blpop",-3,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},
-    {"zmerge",-3,REDIS_CMD_INLINE},
-    {"zmergeweighed",-4,REDIS_CMD_INLINE},
-    {"zrange",-4,REDIS_CMD_INLINE},
-    {"zrank",3,REDIS_CMD_BULK},
-    {"zrevrank",3,REDIS_CMD_BULK},
-    {"zrangebyscore",-4,REDIS_CMD_INLINE},
-    {"zcount",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},
-    {"monitor",1,REDIS_CMD_INLINE},
-    {"multi",1,REDIS_CMD_INLINE},
-    {"exec",1,REDIS_CMD_INLINE},
-    {"discard",1,REDIS_CMD_INLINE},
-    {"hset",4,REDIS_CMD_MULTIBULK},
-    {"hget",3,REDIS_CMD_BULK},
-    {"hmset",-4,REDIS_CMD_MULTIBULK},
-    {"hmget",-3,REDIS_CMD_MULTIBULK},
-    {"hincrby",4,REDIS_CMD_INLINE},
-    {"hdel",3,REDIS_CMD_BULK},
-    {"hlen",2,REDIS_CMD_INLINE},
-    {"hkeys",2,REDIS_CMD_INLINE},
-    {"hvals",2,REDIS_CMD_INLINE},
-    {"hgetall",2,REDIS_CMD_INLINE},
-    {"hexists",3,REDIS_CMD_BULK},
-    {"config",-2,REDIS_CMD_BULK},
-    {"subscribe",-2,REDIS_CMD_INLINE},
-    {"unsubscribe",-1,REDIS_CMD_INLINE},
-    {"publish",3,REDIS_CMD_BULK},
-    {NULL,0,0}
-};
-
 static int cliReadReply(int fd);
 static void usage();
 
-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];
     static int fd = ANET_ERR;
@@ -226,6 +110,31 @@ static int cliReadSingleLineReply(int fd, int quiet) {
     return 0;
 }
 
+static void printStringRepr(char *s, int len) {
+    printf("\"");
+    while(len--) {
+        switch(*s) {
+        case '\\':
+        case '"':
+            printf("\\%c",*s);
+            break;
+        case '\n': printf("\\n"); break;
+        case '\r': printf("\\r"); break;
+        case '\t': printf("\\t"); break;
+        case '\a': printf("\\a"); break;
+        case '\b': printf("\\b"); break;
+        default:
+            if (isprint(*s))
+                printf("%c",*s);
+            else
+                printf("\\x%02x",(unsigned char)*s);
+            break;
+        }
+        s++;
+    }
+    printf("\"\n");
+}
+
 static int cliReadBulkReply(int fd) {
     sds replylen = cliReadLine(fd);
     char *reply, crlf[2];
@@ -241,12 +150,16 @@ static int cliReadBulkReply(int fd) {
     reply = zmalloc(bulklen);
     anetRead(fd,reply,bulklen);
     anetRead(fd,crlf,2);
-    if (bulklen && fwrite(reply,bulklen,1,stdout) == 0) {
-        zfree(reply);
-        return 1;
+    if (config.raw_output || !isatty(fileno(stdout))) {
+        if (bulklen && fwrite(reply,bulklen,1,stdout) == 0) {
+            zfree(reply);
+            return 1;
+        }
+    } else {
+        /* If you are producing output for the standard output we want
+         * a more interesting output with quoted characters and so forth */
+        printStringRepr(reply,bulklen);
     }
-    if (isatty(fileno(stdout)) && reply[bulklen-1] != '\n')
-        printf("\n");
     zfree(reply);
     return 0;
 }
@@ -276,7 +189,10 @@ static int cliReadMultiBulkReply(int fd) {
 static int cliReadReply(int fd) {
     char type;
 
-    if (anetRead(fd,&type,1) <= 0) exit(1);
+    if (anetRead(fd,&type,1) <= 0) {
+        if (config.shutdown) return 0;
+        exit(1);
+    }
     switch(type) {
     case '-':
         printf("(error) ");
@@ -318,22 +234,15 @@ static int selectDb(int fd) {
 }
 
 static int cliSendCommand(int argc, char **argv, int repeat) {
-    struct redisCommand *rc = lookupCommand(argv[0]);
+    char *command = argv[0];
     int fd, j, retval = 0;
-    int read_forever = 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 (!strcasecmp(rc->name,"monitor")) read_forever = 1;
+    config.raw_output = !strcasecmp(command,"info");
+    if (!strcasecmp(command,"shutdown")) config.shutdown = 1;
+    if (!strcasecmp(command,"monitor")) config.monitor_mode = 1;
+    if (!strcasecmp(command,"subscribe") ||
+        !strcasecmp(command,"psubscribe")) config.pubsub_mode = 1;
     if ((fd = cliConnect()) == -1) return 1;
 
     /* Select db number */
@@ -343,40 +252,29 @@ static int cliSendCommand(int argc, char **argv, int repeat) {
         return 1;
     }
 
+    /* Build the command to send */
+    cmd = sdscatprintf(sdsempty(),"*%d\r\n",argc);
+    for (j = 0; j < argc; j++) {
+        cmd = sdscatprintf(cmd,"$%lu\r\n",
+            (unsigned long)sdslen(argv[j]));
+        cmd = sdscatlen(cmd,argv[j],sdslen(argv[j]));
+        cmd = sdscatlen(cmd,"\r\n",2);
+    }
+
     while(repeat--) {
-        /* Build the command to send */
-        cmd = sdsempty();
-        if (rc->flags & REDIS_CMD_MULTIBULK) {
-            cmd = sdscatprintf(cmd,"*%d\r\n",argc);
-            for (j = 0; j < argc; j++) {
-                cmd = sdscatprintf(cmd,"$%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);
-
-        while (read_forever) {
+        while (config.monitor_mode) {
             cliReadSingleLineReply(fd,0);
         }
 
+        if (config.pubsub_mode) {
+            printf("Reading messages... (press Ctrl-c to quit)\n");
+            while (1) {
+                cliReadReply(fd);
+                printf("\n");
+            }
+        }
+
         retval = cliReadReply(fd);
         if (retval) {
             return retval;
@@ -415,6 +313,8 @@ static int parseOptions(int argc, char **argv) {
             i++;
         } else if (!strcmp(argv[i],"-i")) {
             config.interactive = 1;
+        } else if (!strcmp(argv[i],"-c")) {
+            config.argn_from_stdin = 1;
         } else {
             break;
         }
@@ -441,7 +341,7 @@ static sds readArgFromStdin(void) {
 
 static void usage() {
     fprintf(stderr, "usage: redis-cli [-h host] [-p port] [-a authpw] [-r repeat_times] [-n db_num] [-i] cmd arg1 arg2 arg3 ... argN\n");
-    fprintf(stderr, "usage: echo \"argN\" | redis-cli [-h host] [-a authpw] [-p port] [-r repeat_times] [-n db_num] cmd arg1 arg2 ... arg(N-1)\n");
+    fprintf(stderr, "usage: echo \"argN\" | redis-cli -c [-h host] [-p port] [-a authpw] [-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");
@@ -453,7 +353,7 @@ static void usage() {
 /* Turn the plain C strings into Sds strings */
 static char **convertToSds(int count, char** args) {
   int j;
-  char **sds = zmalloc(sizeof(char*)*count+1);
+  char **sds = zmalloc(sizeof(char*)*count);
 
   for(j = 0; j < count; j++)
     sds[j] = sdsnew(args[j]);
@@ -545,7 +445,7 @@ static void repl() {
             /* Free the argument vector */
             for (j = 0; j < argc; j++)
                 sdsfree(argv[j]);
-            free(argv);
+            zfree(argv);
         }
         /* linenoise() returns malloc-ed lines like readline() */
         free(line);
@@ -556,13 +456,17 @@ static void repl() {
 int main(int argc, char **argv) {
     int firstarg;
     char **argvcopy;
-    struct redisCommand *rc;
 
     config.hostip = "127.0.0.1";
     config.hostport = 6379;
     config.repeat = 1;
     config.dbnum = 0;
+    config.argn_from_stdin = 0;
+    config.shutdown = 0;
     config.interactive = 0;
+    config.monitor_mode = 0;
+    config.pubsub_mode = 0;
+    config.raw_output = 0;
     config.auth = NULL;
 
     firstarg = parseOptions(argc,argv);
@@ -579,16 +483,11 @@ int main(int argc, char **argv) {
 
     if (argc == 0 || config.interactive == 1) repl();
 
-    argvcopy = convertToSds(argc, argv);
-
-    /* Read the last argument from stdandard input if needed */
-    if ((rc = lookupCommand(argv[0])) != NULL) {
-      if (rc->arity > 0 && argc == rc->arity-1) {
+    argvcopy = convertToSds(argc+1, argv);
+    if (config.argn_from_stdin) {
         sds lastarg = readArgFromStdin();
         argvcopy[argc] = lastarg;
         argc++;
-      }
     }
-
     return cliSendCommand(argc, argvcopy, config.repeat);
 }