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, int status) {
  19     if (status != REDIS_OK) {
  20         printf("Error: %s\n", c->errstr);
  21         return;
  22     }
  23     printf("Connected...\n");
  24 }
  25
  26 void disconnectCallback(const redisAsyncContext *c, int status) {
  27     if (status != REDIS_OK) {
  28         printf("Error: %s\n", c->errstr);
  29         return;
  30     }
  31     printf("Disconnected...\n");
  32 }
  33
  34 int main (int argc, char **argv) {
  35     signal(SIGPIPE, SIG_IGN);
  36     struct event_base *base = event_base_new();
  37
  38     redisAsyncContext *c = redisAsyncConnect("127.0.0.1", 6379);
  39     if (c->err) {
  40         /* Let *c leak for now... */
  41         printf("Error: %s\n", c->errstr);
  42         return 1;
  43     }
  44
  45     redisLibeventAttach(c,base);
  46     redisAsyncSetConnectCallback(c,connectCallback);
  47     redisAsyncSetDisconnectCallback(c,disconnectCallback);
  48     redisAsyncCommand(c, NULL, NULL, "SET key %b", argv[argc-1], strlen(argv[argc-1]));
  49     redisAsyncCommand(c, getCallback, (char*)"end-1", "GET key");
  50     event_base_dispatch(base);
  51     return 0;
  52 }