Merge branch 'zsl-get-rank' of git://github.com/pietern/redis

[redis.git] / redis-cli.c

diff --git a/redis-cli.c b/redis-cli.c
index ca1b581bd09fc80e6e8af868dfbeb3b8cfeccdad..bbcac0c5b1baa5e96d04d1f69cf369982d1a6fa4 100644 (file)
--- a/redis-cli.c
+++ b/redis-cli.c
@@ -1,6 +1,6 @@
 /* Redis CLI (command line interface)
  *
 /* 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
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without


@@ -51,6 +51,7 @@ static struct config {
     int hostport;
     long repeat;
     int dbnum;
     int hostport;
     long repeat;
     int dbnum;

+    int interactive;

 } config;
 
 struct redisCommand {
 } config;
 
 struct redisCommand {


@@ -63,6 +64,8 @@ static struct redisCommand cmdTable[] = {
     {"get",2,REDIS_CMD_INLINE},
     {"set",3,REDIS_CMD_BULK},
     {"setnx",3,REDIS_CMD_BULK},
     {"get",2,REDIS_CMD_INLINE},
     {"set",3,REDIS_CMD_BULK},
     {"setnx",3,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},
     {"del",-2,REDIS_CMD_INLINE},
     {"exists",2,REDIS_CMD_INLINE},
     {"incr",2,REDIS_CMD_INLINE},


@@ -71,6 +74,8 @@ static struct redisCommand cmdTable[] = {
     {"lpush",3,REDIS_CMD_BULK},
     {"rpop",2,REDIS_CMD_INLINE},
     {"lpop",2,REDIS_CMD_INLINE},
     {"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},
     {"llen",2,REDIS_CMD_INLINE},
     {"lindex",3,REDIS_CMD_INLINE},
     {"lset",4,REDIS_CMD_BULK},


@@ -97,7 +102,9 @@ static struct redisCommand cmdTable[] = {
     {"zrem",3,REDIS_CMD_BULK},
     {"zremrangebyscore",4,REDIS_CMD_INLINE},
     {"zrange",-4,REDIS_CMD_INLINE},
     {"zrem",3,REDIS_CMD_BULK},
     {"zremrangebyscore",4,REDIS_CMD_INLINE},
     {"zrange",-4,REDIS_CMD_INLINE},

+    {"zrank",3,REDIS_CMD_BULK},

     {"zrangebyscore",-4,REDIS_CMD_INLINE},
     {"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},
     {"zrevrange",-4,REDIS_CMD_INLINE},
     {"zcard",2,REDIS_CMD_INLINE},
     {"zscore",3,REDIS_CMD_BULK},


@@ -132,10 +139,15 @@ static struct redisCommand cmdTable[] = {
     {"debug",-2,REDIS_CMD_INLINE},
     {"mset",-3,REDIS_CMD_MULTIBULK},
     {"msetnx",-3,REDIS_CMD_MULTIBULK},
     {"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_MULTIBULK},
+    {"discard",1,REDIS_CMD_INLINE},

     {NULL,0,0}
 };
 
 static int cliReadReply(int fd);
     {NULL,0,0}
 };
 
 static int cliReadReply(int fd);

+static void usage();

 
 static struct redisCommand *lookupCommand(char *name) {
     int j = 0;
 
 static struct redisCommand *lookupCommand(char *name) {
     int j = 0;


@@ -148,14 +160,16 @@ static struct redisCommand *lookupCommand(char *name) {
 
 static int cliConnect(void) {
     char err[ANET_ERR_LEN];
 
 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) {
     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;
 }
 
     return fd;
 }
 


@@ -185,6 +199,7 @@ static int cliReadSingleLineReply(int fd, int quiet) {
     if (reply == NULL) return 1;
     if (!quiet)
         printf("%s\n", reply);
     if (reply == NULL) return 1;
     if (!quiet)
         printf("%s\n", reply);

+    sdsfree(reply);

     return 0;
 }
 
     return 0;
 }
 


@@ -259,8 +274,7 @@ static int cliReadReply(int fd) {
     }
 }
 
     }
 }
 

-static int selectDb(int fd)
-{
+static int selectDb(int fd) {

     int retval;
     sds cmd;
     char type;
     int retval;
     sds cmd;
     char type;


@@ -275,8 +289,7 @@ static int selectDb(int fd)
     if (type <= 0 || type != '+') return 1;
     retval = cliReadSingleLineReply(fd,1);
     if (retval) {
     if (type <= 0 || type != '+') return 1;
     retval = cliReadSingleLineReply(fd,1);
     if (retval) {

-        close(fd);
-       return retval;
+        return retval;

     }
     return 0;
 }
     }
     return 0;
 }


@@ -284,6 +297,7 @@ static int selectDb(int fd)
 static int cliSendCommand(int argc, char **argv) {
     struct redisCommand *rc = lookupCommand(argv[0]);
     int fd, j, retval = 0;
 static int cliSendCommand(int argc, char **argv) {
     struct redisCommand *rc = lookupCommand(argv[0]);
     int fd, j, retval = 0;

+    int read_forever = 0;

     sds cmd;
 
     if (!rc) {
     sds cmd;
 
     if (!rc) {


@@ -296,6 +310,7 @@ static int cliSendCommand(int argc, char **argv) {
             fprintf(stderr,"Wrong number of arguments for '%s'\n",rc->name);
             return 1;
     }
             fprintf(stderr,"Wrong number of arguments for '%s'\n",rc->name);
             return 1;
     }

+    if (!strcasecmp(rc->name,"monitor")) read_forever = 1;

     if ((fd = cliConnect()) == -1) return 1;
 
     /* Select db number */
     if ((fd = cliConnect()) == -1) return 1;
 
     /* Select db number */


@@ -304,7 +319,7 @@ static int cliSendCommand(int argc, char **argv) {
         fprintf(stderr,"Error setting DB num\n");
         return 1;
     }
         fprintf(stderr,"Error setting DB num\n");
         return 1;
     }

- 
+

     while(config.repeat--) {
         /* Build the command to send */
         cmd = sdsempty();
     while(config.repeat--) {
         /* Build the command to send */
         cmd = sdsempty();


@@ -334,13 +349,16 @@ static int cliSendCommand(int argc, char **argv) {
         }
         anetWrite(fd,cmd,sdslen(cmd));
         sdsfree(cmd);
         }
         anetWrite(fd,cmd,sdslen(cmd));
         sdsfree(cmd);

+
+        while (read_forever) {
+            cliReadSingleLineReply(fd,0);
+        }
+

         retval = cliReadReply(fd);
         if (retval) {
         retval = cliReadReply(fd);
         if (retval) {

-            close(fd);

             return retval;
         }
     }
             return retval;
         }
     }

-    close(fd);

     return 0;
 }
 
     return 0;
 }
 


@@ -349,7 +367,7 @@ static int parseOptions(int argc, char **argv) {
 
     for (i = 1; i < argc; i++) {
         int lastarg = i==argc-1;
 
     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) {
         if (!strcmp(argv[i],"-h") && !lastarg) {
             char *ip = zmalloc(32);
             if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {


@@ -358,6 +376,8 @@ static int parseOptions(int argc, char **argv) {
             }
             config.hostip = ip;
             i++;
             }
             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],"-p") && !lastarg) {
             config.hostport = atoi(argv[i+1]);
             i++;


@@ -367,6 +387,8 @@ static int parseOptions(int argc, char **argv) {
         } 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++;

+        } else if (!strcmp(argv[i],"-i")) {
+            config.interactive = 1;

         } else {
             break;
         }
         } else {
             break;
         }


@@ -391,8 +413,69 @@ static sds readArgFromStdin(void) {
     return arg;
 }
 
     return arg;
 }
 

+static void usage() {
+    fprintf(stderr, "usage: redis-cli [-h host] [-p port] [-r repeat_times] [-n db_num] [-i] cmd arg1 arg2 arg3 ... argN\n");
+    fprintf(stderr, "usage: echo \"argN\" | redis-cli [-h host] [-p port] [-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+1);
+
+  for(j = 0; j < count; j++)
+    sds[j] = sdsnew(args[j]);
+
+  return sds;
+}
+
+static char *prompt(char *line, int size) {
+    char *retval;
+
+    do {
+        printf(">> ");
+        retval = fgets(line, size, stdin);
+    } while (retval && *line == '\n');
+    line[strlen(line) - 1] = '\0';
+
+    return retval;
+}
+
+static void repl() {
+    int size = 4096, max = size >> 1, argc;
+    char buffer[size];
+    char *line = buffer;
+    char **ap, *args[max];
+
+    while (prompt(line, size)) {
+        argc = 0;
+
+        for (ap = args; (*ap = strsep(&line, " \t")) != NULL;) {
+            if (**ap != '\0') {
+                if (argc >= max) break;
+                if (strcasecmp(*ap,"quit") == 0 || strcasecmp(*ap,"exit") == 0)
+                    exit(0);
+                ap++;
+                argc++;
+            }
+        }
+
+        config.repeat = 1;
+        cliSendCommand(argc, convertToSds(argc, args));
+        line = buffer;
+    }
+
+    exit(0);
+}
+

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

-    int firstarg, j;
+    int firstarg;

     char **argvcopy;
     struct redisCommand *rc;
 
     char **argvcopy;
     struct redisCommand *rc;
 


@@ -400,33 +483,23 @@ int main(int argc, char **argv) {
     config.hostport = 6379;
     config.repeat = 1;
     config.dbnum = 0;
     config.hostport = 6379;
     config.repeat = 1;
     config.dbnum = 0;

+    config.interactive = 0;

 
     firstarg = parseOptions(argc,argv);
     argc -= firstarg;
     argv += firstarg;
 
     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] [-r repeat_times] [-n db_num] cmd arg1 arg2 arg3 ... argN\n");
-        fprintf(stderr, "usage: echo \"argN\" | redis-cli [-h host] [-p port] [-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");
-        exit(1);
-    }
+
+    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) {
 
     /* 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 (rc->arity > 0 && argc == rc->arity-1) {
+        sds lastarg = readArgFromStdin();
+        argvcopy[argc] = lastarg;
+        argc++;
+      }

     }
 
     return cliSendCommand(argc, argvcopy);
     }
 
     return cliSendCommand(argc, argvcopy);