deps/hiredis/example-libevent.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <signal.h>
   5 #include "hiredis.h"
   6 #include "async.h"
   7 #include "adapters/libevent.h"
   8
   9 void getCallback(redisAsyncContext *c, void *r, void *privdata) {
  10     redisReply *reply = r;
  11     if (reply == NULL) return;
  12     printf("argv[%s]: %s\n", (char*)privdata, reply->str);
  13
  14     /* Disconnect after receiving the reply to GET */
  15     redisAsyncDisconnect(c);
  16 }
  17
  18 void connectCallback(const redisAsyncContext *c) {
  19     ((void)c);
  20     printf("connected...\n");
  21 }
  22
  23 void disconnectCallback(const redisAsyncContext *c, int status) {
  24     if (status != REDIS_OK) {
  25         printf("Error: %s\n", c->errstr);
  26     }
  27     printf("disconnected...\n");
  28 }
  29
  30 int main (int argc, char **argv) {
  31     signal(SIGPIPE, SIG_IGN);
  32     struct event_base *base = event_base_new();
  33
  34     redisAsyncContext *c = redisAsyncConnect("127.0.0.1", 6379);
  35     if (c->err) {
  36         /* Let *c leak for now... */
  37         printf("Error: %s\n", c->errstr);
  38         return 1;
  39     }
  40
  41     redisLibeventAttach(c,base);
  42     redisAsyncSetConnectCallback(c,connectCallback);
  43     redisAsyncSetDisconnectCallback(c,disconnectCallback);
  44     redisAsyncCommand(c, NULL, NULL, "SET key %b", argv[argc-1], strlen(argv[argc-1]));
  45     redisAsyncCommand(c, getCallback, (char*)"end-1", "GET key");
  46     event_base_dispatch(base);
  47     return 0;
  48 }