From a66916719b89f30c92afeb6e9ce5a4c3a4d4c552 Mon Sep 17 00:00:00 2001
From: "hewei.it" <hewei.it@bytedance.com>
Date: Wed, 23 Dec 2020 10:39:12 +0800
Subject: Add adapters/libhv

---
 adapters/libhv.h | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 adapters/libhv.h

(limited to 'adapters')

diff --git a/adapters/libhv.h b/adapters/libhv.h
new file mode 100644
index 0000000..368a379
--- /dev/null
+++ b/adapters/libhv.h
@@ -0,0 +1,69 @@
+#ifndef __HIREDIS_LIBHV_H__
+#define __HIREDIS_LIBHV_H__
+
+#include <hv/hloop.h>
+#include "../hiredis.h"
+#include "../async.h"
+
+static void redisLibhvHandleEvents(hio_t* io) {
+    redisAsyncContext* context = (redisAsyncContext*)hevent_userdata(io);
+    int events = hio_events(io);
+    int revents = hio_revents(io);
+    if (context && (events & HV_READ) && (revents & HV_READ)) {
+        redisAsyncHandleRead(context);
+    }
+    if (context && (events & HV_WRITE) && (revents & HV_WRITE)) {
+        redisAsyncHandleWrite(context);
+    }
+}
+
+static void redisLibhvAddRead(void *privdata) {
+    hio_t* io = (hio_t*)privdata;
+    hio_add(io, redisLibhvHandleEvents, HV_READ);
+}
+
+static void redisLibhvDelRead(void *privdata) {
+    hio_t* io = (hio_t*)privdata;
+    hio_del(io, HV_READ);
+}
+
+static void redisLibhvAddWrite(void *privdata) {
+    hio_t* io = (hio_t*)privdata;
+    hio_add(io, redisLibhvHandleEvents, HV_WRITE);
+}
+
+static void redisLibhvDelWrite(void *privdata) {
+    hio_t* io = (hio_t*)privdata;
+    hio_del(io, HV_WRITE);
+}
+
+static void redisLibhvCleanup(void *privdata) {
+    hio_t* io = (hio_t*)privdata;
+    hio_close(io);
+    hevent_set_userdata(io, NULL);
+}
+
+static int redisLibhvAttach(redisAsyncContext* ac, hloop_t* loop) {
+    redisContext *c = &(ac->c);
+    hio_t* io = NULL;
+
+    if (ac->ev.data != NULL) {
+        return REDIS_ERR;
+    }
+
+    io = hio_get(loop, c->fd);
+    if (io == NULL) {
+        return REDIS_ERR;
+    }
+    hevent_set_userdata(io, ac);
+
+    ac->ev.addRead  = redisLibhvAddRead;
+    ac->ev.delRead  = redisLibhvDelRead;
+    ac->ev.addWrite = redisLibhvAddWrite;
+    ac->ev.delWrite = redisLibhvDelWrite;
+    ac->ev.cleanup  = redisLibhvCleanup;
+    ac->ev.data     = io;
+
+    return REDIS_OK;
+}
+#endif
-- 
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