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     struct timeval timeout = { 1, 500000 }; // 1.5 seconds
  13     c = redisConnectWithTimeout((char*)"127.0.0.2", 6379, timeout);
  14     if (c->err) {
  15         printf("Connection error: %s\n", c->errstr);
  16         exit(1);
  17     }
  18
  19     /* PING server */
  20     reply = redisCommand(c,"PING");
  21     printf("PING: %s\n", reply->str);
  22     freeReplyObject(reply);
  23
  24     /* Set a key */
  25     reply = redisCommand(c,"SET %s %s", "foo", "hello world");
  26     printf("SET: %s\n", reply->str);
  27     freeReplyObject(reply);
  28
  29     /* Set a key using binary safe API */
  30     reply = redisCommand(c,"SET %b %b", "bar", 3, "hello", 5);
  31     printf("SET (binary API): %s\n", reply->str);
  32     freeReplyObject(reply);
  33
  34     /* Try a GET and two INCR */
  35     reply = redisCommand(c,"GET foo");
  36     printf("GET foo: %s\n", reply->str);
  37     freeReplyObject(reply);
  38
  39     reply = redisCommand(c,"INCR counter");
  40     printf("INCR counter: %lld\n", reply->integer);
  41     freeReplyObject(reply);
  42     /* again ... */
  43     reply = redisCommand(c,"INCR counter");
  44     printf("INCR counter: %lld\n", reply->integer);
  45     freeReplyObject(reply);
  46
  47     /* Create a list of numbers, from 0 to 9 */
  48     reply = redisCommand(c,"DEL mylist");
  49     freeReplyObject(reply);
  50     for (j = 0; j < 10; j++) {
  51         char buf[64];
  52
  53         snprintf(buf,64,"%d",j);
  54         reply = redisCommand(c,"LPUSH mylist element-%s", buf);
  55         freeReplyObject(reply);
  56     }
  57
  58     /* Let's check what we have inside the list */
  59     reply = redisCommand(c,"LRANGE mylist 0 -1");
  60     if (reply->type == REDIS_REPLY_ARRAY) {
  61         for (j = 0; j < reply->elements; j++) {
  62             printf("%u) %s\n", j, reply->element[j]->str);
  63         }
  64     }
  65     freeReplyObject(reply);
  66
  67     return 0;
  68 }