deps/hiredis/example-ae.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/ae.h"
   8
   9 /* Put event loop in the global scope, so it can be explicitly stopped */
  10 static aeEventLoop *loop;
  11
  12 void getCallback(redisAsyncContext *c, void *r, void *privdata) {
  13     redisReply *reply = r;
  14     if (reply == NULL) return;
  15     printf("argv[%s]: %s\n", (char*)privdata, reply->str);
  16
  17     /* Disconnect after receiving the reply to GET */
  18     redisAsyncDisconnect(c);
  19 }
  20
  21 void connectCallback(const redisAsyncContext *c) {
  22     ((void)c);
  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     }
  30     printf("disconnected...\n");
  31     aeStop(loop);
  32 }
  33
  34 int main (int argc, char **argv) {
  35     signal(SIGPIPE, SIG_IGN);
  36
  37     redisAsyncContext *c = redisAsyncConnect("127.0.0.1", 6379);
  38     if (c->err) {
  39         /* Let *c leak for now... */
  40         printf("Error: %s\n", c->errstr);
  41         return 1;
  42     }
  43
  44     loop = aeCreateEventLoop();
  45     redisAeAttach(loop, c);
  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     aeMain(loop);
  51     return 0;
  52 }
  53