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#include <sys/types.h>
#include <event.h>
#include <hiredis.h>
#include <async.h>
typedef struct redisLibeventEvents {
redisAsyncContext *context;
struct event rev, wev;
} redisLibeventEvents;
void redisLibeventReadEvent(int fd, short event, void *arg) {
((void)fd); ((void)event);
redisLibeventEvents *e = arg;
redisAsyncHandleRead(e->context);
}
void redisLibeventWriteEvent(int fd, short event, void *arg) {
((void)fd); ((void)event);
redisLibeventEvents *e = arg;
redisAsyncHandleWrite(e->context);
}
void redisLibeventAddRead(void *privdata) {
redisLibeventEvents *e = privdata;
event_add(&e->rev,NULL);
}
void redisLibeventDelRead(void *privdata) {
redisLibeventEvents *e = privdata;
event_del(&e->rev);
}
void redisLibeventAddWrite(void *privdata) {
redisLibeventEvents *e = privdata;
event_add(&e->wev,NULL);
}
void redisLibeventDelWrite(void *privdata) {
redisLibeventEvents *e = privdata;
event_del(&e->wev);
}
void redisLibeventCleanup(void *privdata) {
redisLibeventEvents *e = privdata;
event_del(&e->rev);
event_del(&e->wev);
free(e);
}
int redisLibeventAttach(redisAsyncContext *ac, struct event_base *base) {
redisContext *c = &(ac->c);
redisLibeventEvents *e;
/* Nothing should be attached when something is already attached */
if (ac->data != NULL)
return REDIS_ERR;
/* Create container for context and r/w events */
e = malloc(sizeof(*e));
e->context = ac;
/* Register functions to start/stop listening for events */
ac->evAddRead = redisLibeventAddRead;
ac->evDelRead = redisLibeventDelRead;
ac->evAddWrite = redisLibeventAddWrite;
ac->evDelWrite = redisLibeventDelWrite;
ac->evCleanup = redisLibeventCleanup;
ac->data = e;
/* Initialize and install read/write events */
event_set(&e->rev,c->fd,EV_READ,redisLibeventReadEvent,e);
event_set(&e->wev,c->fd,EV_WRITE,redisLibeventWriteEvent,e);
event_base_set(base,&e->rev);
event_base_set(base,&e->wev);
return REDIS_OK;
}
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