X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/333298dac3e4b9c147851772be854b5dabcab8c2..8632fb30401ccc6824b84499602fba7052cc3346:/redis-cli.c

diff --git a/redis-cli.c b/redis-cli.c
index 343ee0a1..2daa7c46 100644
--- a/redis-cli.c
+++ b/redis-cli.c
@@ -1,6 +1,6 @@
 /* Redis CLI (command line interface)
  *
- * Copyright (c) 2006-2009, Salvatore Sanfilippo <antirez at gmail dot com>
+ * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,108 +34,49 @@
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <ctype.h>
 
 #include "anet.h"
 #include "sds.h"
 #include "adlist.h"
 #include "zmalloc.h"
+#include "linenoise.h"
 
 #define REDIS_CMD_INLINE 1
 #define REDIS_CMD_BULK 2
+#define REDIS_CMD_MULTIBULK 4
 
 #define REDIS_NOTUSED(V) ((void) V)
 
 static struct config {
     char *hostip;
     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[] = {
-    {"get",2,REDIS_CMD_INLINE},
-    {"set",3,REDIS_CMD_BULK},
-    {"setnx",3,REDIS_CMD_BULK},
-    {"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},
-    {"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},
-    {"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},
-    {"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},
-    {"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},
-    {"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},
-    {"ttl",2,REDIS_CMD_INLINE},
-    {"slaveof",3,REDIS_CMD_INLINE},
-    {"debug",-2,REDIS_CMD_INLINE},
-    {NULL,0,0}
-};
-
 static int cliReadReply(int fd);
-
-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 void usage();
 
 static int cliConnect(void) {
     char err[ANET_ERR_LEN];
-    int fd;
+    static int fd = ANET_ERR;
 
-    fd = anetTcpConnect(err,config.hostip,config.hostport);
     if (fd == ANET_ERR) {
-        fprintf(stderr,"Connect: %s\n",err);
-        return -1;
+        fd = anetTcpConnect(err,config.hostip,config.hostport);
+        if (fd == ANET_ERR) {
+            fprintf(stderr, "Could not connect to Redis at %s:%d: %s", config.hostip, config.hostport, err);
+            return -1;
+        }
+        anetTcpNoDelay(NULL,fd);
     }
-    anetTcpNoDelay(NULL,fd);
     return fd;
 }
 
@@ -159,14 +100,41 @@ static sds cliReadLine(int fd) {
     return sdstrim(line,"\r\n");
 }
 
-static int cliReadSingleLineReply(int fd) {
+static int cliReadSingleLineReply(int fd, int quiet) {
     sds reply = cliReadLine(fd);
 
     if (reply == NULL) return 1;
-    printf("%s\n", reply);
+    if (!quiet)
+        printf("%s\n", reply);
+    sdsfree(reply);
     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];
@@ -176,18 +144,22 @@ static int cliReadBulkReply(int fd) {
     bulklen = atoi(replylen);
     if (bulklen == -1) {
         sdsfree(replylen);
-        printf("(nil)");
+        printf("(nil)\n");
         return 0;
     }
     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;
 }
@@ -217,15 +189,20 @@ 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) ");
-        cliReadSingleLineReply(fd);
+        cliReadSingleLineReply(fd,0);
         return 1;
     case '+':
+        return cliReadSingleLineReply(fd,0);
     case ':':
-        return cliReadSingleLineReply(fd);
+        printf("(integer) ");
+        return cliReadSingleLineReply(fd,0);
     case '$':
         return cliReadBulkReply(fd);
     case '*':
@@ -236,44 +213,73 @@ static int cliReadReply(int fd) {
     }
 }
 
-static int cliSendCommand(int argc, char **argv) {
-    struct redisCommand *rc = lookupCommand(argv[0]);
-    int fd, j, retval = 0;
-    sds cmd = sdsempty();
+static int selectDb(int fd) {
+    int retval;
+    sds cmd;
+    char type;
 
-    if (!rc) {
-        fprintf(stderr,"Unknown command '%s'\n",argv[0]);
-        return 1;
-    }
+    if (config.dbnum == 0)
+        return 0;
 
-    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;
+    cmd = sdsempty();
+    cmd = sdscatprintf(cmd,"SELECT %d\r\n",config.dbnum);
+    anetWrite(fd,cmd,sdslen(cmd));
+    anetRead(fd,&type,1);
+    if (type <= 0 || type != '+') return 1;
+    retval = cliReadSingleLineReply(fd,1);
+    if (retval) {
+        return retval;
     }
+    return 0;
+}
+
+static int cliSendCommand(int argc, char **argv, int repeat) {
+    char *command = argv[0];
+    int fd, j, retval = 0;
+    sds cmd;
+
+    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 */
+    retval = selectDb(fd);
+    if (retval) {
+        fprintf(stderr,"Error setting DB num\n");
+        return 1;
+    }
+
     /* Build the command to send */
+    cmd = sdscatprintf(sdsempty(),"*%d\r\n",argc);
     for (j = 0; j < argc; j++) {
-        if (j != 0) cmd = sdscat(cmd," ");
-        if (j == argc-1 && rc->flags & REDIS_CMD_BULK) {
-            cmd = sdscatprintf(cmd,"%d",sdslen(argv[j]));
-        } else {
-            cmd = sdscatlen(cmd,argv[j],sdslen(argv[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);
     }
-    cmd = sdscat(cmd,"\r\n");
-    if (rc->flags & REDIS_CMD_BULK) {
-        cmd = sdscatlen(cmd,argv[argc-1],sdslen(argv[argc-1]));
-        cmd = sdscat(cmd,"\r\n");
-    }
-    anetWrite(fd,cmd,sdslen(cmd));
-    retval = cliReadReply(fd);
-    if (retval) {
-        close(fd);
-        return retval;
+
+    while(repeat--) {
+        anetWrite(fd,cmd,sdslen(cmd));
+        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;
+        }
     }
-    close(fd);
     return 0;
 }
 
@@ -282,7 +288,7 @@ static int parseOptions(int argc, char **argv) {
 
     for (i = 1; i < argc; i++) {
         int lastarg = i==argc-1;
-        
+
         if (!strcmp(argv[i],"-h") && !lastarg) {
             char *ip = zmalloc(32);
             if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {
@@ -291,9 +297,24 @@ static int parseOptions(int argc, char **argv) {
             }
             config.hostip = ip;
             i++;
+        } else if (!strcmp(argv[i],"-h") && lastarg) {
+            usage();
         } else if (!strcmp(argv[i],"-p") && !lastarg) {
             config.hostport = atoi(argv[i+1]);
             i++;
+        } else if (!strcmp(argv[i],"-r") && !lastarg) {
+            config.repeat = strtoll(argv[i+1],NULL,10);
+            i++;
+        } else if (!strcmp(argv[i],"-n") && !lastarg) {
+            config.dbnum = atoi(argv[i+1]);
+            i++;
+        } else if (!strcmp(argv[i],"-a") && !lastarg) {
+            config.auth = argv[i+1];
+            i++;
+        } else if (!strcmp(argv[i],"-i")) {
+            config.interactive = 1;
+        } else if (!strcmp(argv[i],"-c")) {
+            config.argn_from_stdin = 1;
         } else {
             break;
         }
@@ -318,40 +339,155 @@ static sds readArgFromStdin(void) {
     return arg;
 }
 
+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 -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");
+    fprintf(stderr, "example: redis-cli -r 100 lpush mylist x\n");
+    fprintf(stderr, "\nRun in interactive mode: redis-cli -i or just don't pass any command\n");
+    exit(1);
+}
+
+/* Turn the plain C strings into Sds strings */
+static char **convertToSds(int count, char** args) {
+  int j;
+  char **sds = zmalloc(sizeof(char*)*count);
+
+  for(j = 0; j < count; j++)
+    sds[j] = sdsnew(args[j]);
+
+  return sds;
+}
+
+static char **splitArguments(char *line, int *argc) {
+    char *p = line;
+    char *current = NULL;
+    char **vector = NULL;
+
+    *argc = 0;
+    while(1) {
+        /* skip blanks */
+        while(*p && isspace(*p)) p++;
+        if (*p) {
+            /* get a token */
+            int inq=0; /* set to 1 if we are in "quotes" */
+            int done = 0;
+
+            if (current == NULL) current = sdsempty();
+            while(!done) {
+                if (inq) {
+                    if (*p == '\\' && *(p+1)) {
+                        char c;
+
+                        p++;
+                        switch(*p) {
+                        case 'n': c = '\n'; break;
+                        case 'r': c = '\r'; break;
+                        case 't': c = '\t'; break;
+                        case 'b': c = '\b'; break;
+                        case 'a': c = '\a'; break;
+                        default: c = *p; break;
+                        }
+                        current = sdscatlen(current,&c,1);
+                    } else if (*p == '"') {
+                        done = 1;
+                    } else {
+                        current = sdscatlen(current,p,1);
+                    }
+                } else {
+                    switch(*p) {
+                    case ' ':
+                    case '\n':
+                    case '\r':
+                    case '\t':
+                    case '\0':
+                        done=1;
+                        break;
+                    case '"':
+                        inq=1;
+                        break;
+                    default:
+                        current = sdscatlen(current,p,1);
+                        break;
+                    }
+                }
+                if (*p) p++;
+            }
+            /* add the token to the vector */
+            vector = zrealloc(vector,((*argc)+1)*sizeof(char*));
+            vector[*argc] = current;
+            (*argc)++;
+            current = NULL;
+        } else {
+            return vector;
+        }
+    }
+}
+
+#define LINE_BUFLEN 4096
+static void repl() {
+    int argc, j;
+    char *line, **argv;
+
+    while((line = linenoise("redis> ")) != NULL) {
+        if (line[0] != '\0') {
+            argv = splitArguments(line,&argc);
+            linenoiseHistoryAdd(line);
+            if (argc > 0) {
+                if (strcasecmp(argv[0],"quit") == 0 ||
+                    strcasecmp(argv[0],"exit") == 0)
+                        exit(0);
+                else
+                    cliSendCommand(argc, argv, 1);
+            }
+            /* Free the argument vector */
+            for (j = 0; j < argc; j++)
+                sdsfree(argv[j]);
+            zfree(argv);
+        }
+        /* linenoise() returns malloc-ed lines like readline() */
+        free(line);
+    }
+    exit(0);
+}
+
 int main(int argc, char **argv) {
-    int firstarg, j;
+    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);
     argc -= firstarg;
     argv += firstarg;
-    
-    /* Turn the plain C strings into Sds strings */
-    argvcopy = zmalloc(sizeof(char*)*argc+1);
-    for(j = 0; j < argc; j++)
-        argvcopy[j] = sdsnew(argv[j]);
-
-    if (argc < 1) {
-        fprintf(stderr, "usage: redis-cli [-h host] [-p port] cmd arg1 arg2 arg3 ... argN\n");
-        fprintf(stderr, "usage: echo \"argN\" | redis-cli [-h host] [-p port] 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");
-        exit(1);
-    }
 
-    /* Read the last argument from stdandard input if needed */
-    if ((rc = lookupCommand(argv[0])) != NULL) {
-        if (rc->arity > 0 && argc == rc->arity-1) {
-            sds lastarg = readArgFromStdin();
-            argvcopy[argc] = lastarg;
-            argc++;
-        }
+    if (config.auth != NULL) {
+        char *authargv[2];
+
+        authargv[0] = "AUTH";
+        authargv[1] = config.auth;
+        cliSendCommand(2, convertToSds(2, authargv), 1);
     }
 
-    return cliSendCommand(argc, argvcopy);
+    if (argc == 0 || config.interactive == 1) repl();
+
+    argvcopy = convertToSds(argc+1, argv);
+    if (config.argn_from_stdin) {
+        sds lastarg = readArgFromStdin();
+        argvcopy[argc] = lastarg;
+        argc++;
+    }
+    return cliSendCommand(argc, argvcopy, config.repeat);
 }