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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
#ifndef __HIREDIS_LIBEVENT_H__
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#define __HIREDIS_LIBEVENT_H__
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#include <event.h>
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#include "../hiredis.h"
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#include "../async.h"
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typedef struct redisLibeventEvents {
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redisAsyncContext *context;
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struct event rev, wev;
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} redisLibeventEvents;
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static void redisLibeventReadEvent(int fd, short event, void *arg) {
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((void)fd); ((void)event);
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redisLibeventEvents *e = (redisLibeventEvents*)arg;
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redisAsyncHandleRead(e->context);
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}
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static void redisLibeventWriteEvent(int fd, short event, void *arg) {
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((void)fd); ((void)event);
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redisLibeventEvents *e = (redisLibeventEvents*)arg;
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redisAsyncHandleWrite(e->context);
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}
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static void redisLibeventAddRead(void *privdata) {
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redisLibeventEvents *e = (redisLibeventEvents*)privdata;
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event_add(&e->rev,NULL);
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}
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static void redisLibeventDelRead(void *privdata) {
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redisLibeventEvents *e = (redisLibeventEvents*)privdata;
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event_del(&e->rev);
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}
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static void redisLibeventAddWrite(void *privdata) {
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redisLibeventEvents *e = (redisLibeventEvents*)privdata;
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event_add(&e->wev,NULL);
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}
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static void redisLibeventDelWrite(void *privdata) {
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redisLibeventEvents *e = (redisLibeventEvents*)privdata;
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event_del(&e->wev);
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}
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static void redisLibeventCleanup(void *privdata) {
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redisLibeventEvents *e = (redisLibeventEvents*)privdata;
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event_del(&e->rev);
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event_del(&e->wev);
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free(e);
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}
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static int redisLibeventAttach(redisAsyncContext *ac, struct event_base *base) {
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redisContext *c = &(ac->c);
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redisLibeventEvents *e;
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/* Nothing should be attached when something is already attached */
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if (ac->ev.data != NULL)
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return REDIS_ERR;
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/* Create container for context and r/w events */
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e = (redisLibeventEvents*)malloc(sizeof(*e));
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e->context = ac;
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/* Register functions to start/stop listening for events */
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ac->ev.addRead = redisLibeventAddRead;
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ac->ev.delRead = redisLibeventDelRead;
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ac->ev.addWrite = redisLibeventAddWrite;
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ac->ev.delWrite = redisLibeventDelWrite;
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ac->ev.cleanup = redisLibeventCleanup;
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ac->ev.data = e;
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/* Initialize and install read/write events */
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event_set(&e->rev,c->fd,EV_READ,redisLibeventReadEvent,e);
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event_set(&e->wev,c->fd,EV_WRITE,redisLibeventWriteEvent,e);
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event_base_set(base,&e->rev);
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event_base_set(base,&e->wev);
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return REDIS_OK;
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}
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#endif
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