deps/hiredis/example.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "hiredis.h"
   6
   7 int main(void) {
   8     unsigned int j;
   9     redisContext *c;
  10     redisReply *reply;
  11
  12     c = redisConnect((char*)"127.0.0.1", 6379);
  13     if (c->err) {
  14         printf("Connection error: %s\n", c->errstr);
  15         exit(1);
  16     }
  17
  18     /* PING server */
  19     reply = redisCommand(c,"PING");
  20     printf("PING: %s\n", reply->str);
  21     freeReplyObject(reply);
  22
  23     /* Set a key */
  24     reply = redisCommand(c,"SET %s %s", "foo", "hello world");
  25     printf("SET: %s\n", reply->str);
  26     freeReplyObject(reply);
  27
  28     /* Set a key using binary safe API */
  29     reply = redisCommand(c,"SET %b %b", "bar", 3, "hello", 5);
  30     printf("SET (binary API): %s\n", reply->str);
  31     freeReplyObject(reply);
  32
  33     /* Try a GET and two INCR */
  34     reply = redisCommand(c,"GET foo");
  35     printf("GET foo: %s\n", reply->str);
  36     freeReplyObject(reply);
  37
  38     reply = redisCommand(c,"INCR counter");
  39     printf("INCR counter: %lld\n", reply->integer);
  40     freeReplyObject(reply);
  41     /* again ... */
  42     reply = redisCommand(c,"INCR counter");
  43     printf("INCR counter: %lld\n", reply->integer);
  44     freeReplyObject(reply);
  45
  46     /* Create a list of numbers, from 0 to 9 */
  47     reply = redisCommand(c,"DEL mylist");
  48     freeReplyObject(reply);
  49     for (j = 0; j < 10; j++) {
  50         char buf[64];
  51
  52         snprintf(buf,64,"%d",j);
  53         reply = redisCommand(c,"LPUSH mylist element-%s", buf);
  54         freeReplyObject(reply);
  55     }
  56
  57     /* Let's check what we have inside the list */
  58     reply = redisCommand(c,"LRANGE mylist 0 -1");
  59     if (reply->type == REDIS_REPLY_ARRAY) {
  60         for (j = 0; j < reply->elements; j++) {
  61             printf("%u) %s\n", j, reply->element[j]->str);
  62         }
  63     }
  64     freeReplyObject(reply);
  65
  66     return 0;
  67 }