summaryrefslogtreecommitdiffstats
path: root/contrib/hiredis/adapters/libevent.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/hiredis/adapters/libevent.h')
-rw-r--r--contrib/hiredis/adapters/libevent.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/contrib/hiredis/adapters/libevent.h b/contrib/hiredis/adapters/libevent.h
new file mode 100644
index 000000000..2c1848056
--- /dev/null
+++ b/contrib/hiredis/adapters/libevent.h
@@ -0,0 +1,75 @@
+#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 = (redisLibeventEvents*)arg;
+ redisAsyncHandleRead(e->context);
+}
+
+void redisLibeventWriteEvent(int fd, short event, void *arg) {
+ ((void)fd); ((void)event);
+ redisLibeventEvents *e = (redisLibeventEvents*)arg;
+ redisAsyncHandleWrite(e->context);
+}
+
+void redisLibeventAddRead(void *privdata) {
+ redisLibeventEvents *e = (redisLibeventEvents*)privdata;
+ event_add(&e->rev,NULL);
+}
+
+void redisLibeventDelRead(void *privdata) {
+ redisLibeventEvents *e = (redisLibeventEvents*)privdata;
+ event_del(&e->rev);
+}
+
+void redisLibeventAddWrite(void *privdata) {
+ redisLibeventEvents *e = (redisLibeventEvents*)privdata;
+ event_add(&e->wev,NULL);
+}
+
+void redisLibeventDelWrite(void *privdata) {
+ redisLibeventEvents *e = (redisLibeventEvents*)privdata;
+ event_del(&e->wev);
+}
+
+void redisLibeventCleanup(void *privdata) {
+ redisLibeventEvents *e = (redisLibeventEvents*)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->ev.data != NULL)
+ return REDIS_ERR;
+
+ /* Create container for context and r/w events */
+ e = (redisLibeventEvents*)malloc(sizeof(*e));
+ e->context = ac;
+
+ /* Register functions to start/stop listening for events */
+ ac->ev.addRead = redisLibeventAddRead;
+ ac->ev.delRead = redisLibeventDelRead;
+ ac->ev.addWrite = redisLibeventAddWrite;
+ ac->ev.delWrite = redisLibeventDelWrite;
+ ac->ev.cleanup = redisLibeventCleanup;
+ ac->ev.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;
+}