Add Redis source code for testing

12 files changed, 1795 insertions, 0 deletions

diff --git a/examples/redis-unstable/deps/hiredis/adapters/ae.h b/examples/redis-unstable/deps/hiredis/adapters/ae.h
new file mode 100644
index 0000000..660d82e
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/ae.h
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2010-2011, Pieter Noordhuis <pcnoordhuis at gmail dot com>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of Redis nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __HIREDIS_AE_H__
+#define __HIREDIS_AE_H__
+#include <sys/types.h>
+#include <ae.h>
+#include "../hiredis.h"
+#include "../async.h"
+
+typedef struct redisAeEvents {
+    redisAsyncContext *context;
+    aeEventLoop *loop;
+    int fd;
+    int reading, writing;
+} redisAeEvents;
+
+static void redisAeReadEvent(aeEventLoop *el, int fd, void *privdata, int mask) {
+    ((void)el); ((void)fd); ((void)mask);
+
+    redisAeEvents *e = (redisAeEvents*)privdata;
+    redisAsyncHandleRead(e->context);
+}
+
+static void redisAeWriteEvent(aeEventLoop *el, int fd, void *privdata, int mask) {
+    ((void)el); ((void)fd); ((void)mask);
+
+    redisAeEvents *e = (redisAeEvents*)privdata;
+    redisAsyncHandleWrite(e->context);
+}
+
+static void redisAeAddRead(void *privdata) {
+    redisAeEvents *e = (redisAeEvents*)privdata;
+    aeEventLoop *loop = e->loop;
+    if (!e->reading) {
+        e->reading = 1;
+        aeCreateFileEvent(loop,e->fd,AE_READABLE,redisAeReadEvent,e);
+    }
+}
+
+static void redisAeDelRead(void *privdata) {
+    redisAeEvents *e = (redisAeEvents*)privdata;
+    aeEventLoop *loop = e->loop;
+    if (e->reading) {
+        e->reading = 0;
+        aeDeleteFileEvent(loop,e->fd,AE_READABLE);
+    }
+}
+
+static void redisAeAddWrite(void *privdata) {
+    redisAeEvents *e = (redisAeEvents*)privdata;
+    aeEventLoop *loop = e->loop;
+    if (!e->writing) {
+        e->writing = 1;
+        aeCreateFileEvent(loop,e->fd,AE_WRITABLE,redisAeWriteEvent,e);
+    }
+}
+
+static void redisAeDelWrite(void *privdata) {
+    redisAeEvents *e = (redisAeEvents*)privdata;
+    aeEventLoop *loop = e->loop;
+    if (e->writing) {
+        e->writing = 0;
+        aeDeleteFileEvent(loop,e->fd,AE_WRITABLE);
+    }
+}
+
+static void redisAeCleanup(void *privdata) {
+    redisAeEvents *e = (redisAeEvents*)privdata;
+    redisAeDelRead(privdata);
+    redisAeDelWrite(privdata);
+    hi_free(e);
+}
+
+static int redisAeAttach(aeEventLoop *loop, redisAsyncContext *ac) {
+    redisContext *c = &(ac->c);
+    redisAeEvents *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 = (redisAeEvents*)hi_malloc(sizeof(*e));
+    if (e == NULL)
+        return REDIS_ERR;
+
+    e->context = ac;
+    e->loop = loop;
+    e->fd = c->fd;
+    e->reading = e->writing = 0;
+
+    /* Register functions to start/stop listening for events */
+    ac->ev.addRead = redisAeAddRead;
+    ac->ev.delRead = redisAeDelRead;
+    ac->ev.addWrite = redisAeAddWrite;
+    ac->ev.delWrite = redisAeDelWrite;
+    ac->ev.cleanup = redisAeCleanup;
+    ac->ev.data = e;
+
+    return REDIS_OK;
+}
+#endif
diff --git a/examples/redis-unstable/deps/hiredis/adapters/glib.h b/examples/redis-unstable/deps/hiredis/adapters/glib.h
new file mode 100644
index 0000000..ad59dd1
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/glib.h
@@ -0,0 +1,156 @@
+#ifndef __HIREDIS_GLIB_H__
+#define __HIREDIS_GLIB_H__
+
+#include <glib.h>
+
+#include "../hiredis.h"
+#include "../async.h"
+
+typedef struct
+{
+    GSource source;
+    redisAsyncContext *ac;
+    GPollFD poll_fd;
+} RedisSource;
+
+static void
+redis_source_add_read (gpointer data)
+{
+    RedisSource *source = (RedisSource *)data;
+    g_return_if_fail(source);
+    source->poll_fd.events |= G_IO_IN;
+    g_main_context_wakeup(g_source_get_context((GSource *)data));
+}
+
+static void
+redis_source_del_read (gpointer data)
+{
+    RedisSource *source = (RedisSource *)data;
+    g_return_if_fail(source);
+    source->poll_fd.events &= ~G_IO_IN;
+    g_main_context_wakeup(g_source_get_context((GSource *)data));
+}
+
+static void
+redis_source_add_write (gpointer data)
+{
+    RedisSource *source = (RedisSource *)data;
+    g_return_if_fail(source);
+    source->poll_fd.events |= G_IO_OUT;
+    g_main_context_wakeup(g_source_get_context((GSource *)data));
+}
+
+static void
+redis_source_del_write (gpointer data)
+{
+    RedisSource *source = (RedisSource *)data;
+    g_return_if_fail(source);
+    source->poll_fd.events &= ~G_IO_OUT;
+    g_main_context_wakeup(g_source_get_context((GSource *)data));
+}
+
+static void
+redis_source_cleanup (gpointer data)
+{
+    RedisSource *source = (RedisSource *)data;
+
+    g_return_if_fail(source);
+
+    redis_source_del_read(source);
+    redis_source_del_write(source);
+    /*
+     * It is not our responsibility to remove ourself from the
+     * current main loop. However, we will remove the GPollFD.
+     */
+    if (source->poll_fd.fd >= 0) {
+        g_source_remove_poll((GSource *)data, &source->poll_fd);
+        source->poll_fd.fd = -1;
+    }
+}
+
+static gboolean
+redis_source_prepare (GSource *source,
+                      gint    *timeout_)
+{
+    RedisSource *redis = (RedisSource *)source;
+    *timeout_ = -1;
+    return !!(redis->poll_fd.events & redis->poll_fd.revents);
+}
+
+static gboolean
+redis_source_check (GSource *source)
+{
+    RedisSource *redis = (RedisSource *)source;
+    return !!(redis->poll_fd.events & redis->poll_fd.revents);
+}
+
+static gboolean
+redis_source_dispatch (GSource      *source,
+                       GSourceFunc   callback,
+                       gpointer      user_data)
+{
+    RedisSource *redis = (RedisSource *)source;
+
+    if ((redis->poll_fd.revents & G_IO_OUT)) {
+        redisAsyncHandleWrite(redis->ac);
+        redis->poll_fd.revents &= ~G_IO_OUT;
+    }
+
+    if ((redis->poll_fd.revents & G_IO_IN)) {
+        redisAsyncHandleRead(redis->ac);
+        redis->poll_fd.revents &= ~G_IO_IN;
+    }
+
+    if (callback) {
+        return callback(user_data);
+    }
+
+    return TRUE;
+}
+
+static void
+redis_source_finalize (GSource *source)
+{
+    RedisSource *redis = (RedisSource *)source;
+
+    if (redis->poll_fd.fd >= 0) {
+        g_source_remove_poll(source, &redis->poll_fd);
+        redis->poll_fd.fd = -1;
+    }
+}
+
+static GSource *
+redis_source_new (redisAsyncContext *ac)
+{
+    static GSourceFuncs source_funcs = {
+        .prepare  = redis_source_prepare,
+        .check     = redis_source_check,
+        .dispatch = redis_source_dispatch,
+        .finalize = redis_source_finalize,
+    };
+    redisContext *c = &ac->c;
+    RedisSource *source;
+
+    g_return_val_if_fail(ac != NULL, NULL);
+
+    source = (RedisSource *)g_source_new(&source_funcs, sizeof *source);
+    if (source == NULL)
+        return NULL;
+
+    source->ac = ac;
+    source->poll_fd.fd = c->fd;
+    source->poll_fd.events = 0;
+    source->poll_fd.revents = 0;
+    g_source_add_poll((GSource *)source, &source->poll_fd);
+
+    ac->ev.addRead = redis_source_add_read;
+    ac->ev.delRead = redis_source_del_read;
+    ac->ev.addWrite = redis_source_add_write;
+    ac->ev.delWrite = redis_source_del_write;
+    ac->ev.cleanup = redis_source_cleanup;
+    ac->ev.data = source;
+
+    return (GSource *)source;
+}
+
+#endif /* __HIREDIS_GLIB_H__ */
diff --git a/examples/redis-unstable/deps/hiredis/adapters/ivykis.h b/examples/redis-unstable/deps/hiredis/adapters/ivykis.h
new file mode 100644
index 0000000..179f6ab
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/ivykis.h
@@ -0,0 +1,84 @@
+#ifndef __HIREDIS_IVYKIS_H__
+#define __HIREDIS_IVYKIS_H__
+#include <iv.h>
+#include "../hiredis.h"
+#include "../async.h"
+
+typedef struct redisIvykisEvents {
+    redisAsyncContext *context;
+    struct iv_fd fd;
+} redisIvykisEvents;
+
+static void redisIvykisReadEvent(void *arg) {
+    redisAsyncContext *context = (redisAsyncContext *)arg;
+    redisAsyncHandleRead(context);
+}
+
+static void redisIvykisWriteEvent(void *arg) {
+    redisAsyncContext *context = (redisAsyncContext *)arg;
+    redisAsyncHandleWrite(context);
+}
+
+static void redisIvykisAddRead(void *privdata) {
+    redisIvykisEvents *e = (redisIvykisEvents*)privdata;
+    iv_fd_set_handler_in(&e->fd, redisIvykisReadEvent);
+}
+
+static void redisIvykisDelRead(void *privdata) {
+    redisIvykisEvents *e = (redisIvykisEvents*)privdata;
+    iv_fd_set_handler_in(&e->fd, NULL);
+}
+
+static void redisIvykisAddWrite(void *privdata) {
+    redisIvykisEvents *e = (redisIvykisEvents*)privdata;
+    iv_fd_set_handler_out(&e->fd, redisIvykisWriteEvent);
+}
+
+static void redisIvykisDelWrite(void *privdata) {
+    redisIvykisEvents *e = (redisIvykisEvents*)privdata;
+    iv_fd_set_handler_out(&e->fd, NULL);
+}
+
+static void redisIvykisCleanup(void *privdata) {
+    redisIvykisEvents *e = (redisIvykisEvents*)privdata;
+
+    iv_fd_unregister(&e->fd);
+    hi_free(e);
+}
+
+static int redisIvykisAttach(redisAsyncContext *ac) {
+    redisContext *c = &(ac->c);
+    redisIvykisEvents *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 = (redisIvykisEvents*)hi_malloc(sizeof(*e));
+    if (e == NULL)
+        return REDIS_ERR;
+
+    e->context = ac;
+
+    /* Register functions to start/stop listening for events */
+    ac->ev.addRead = redisIvykisAddRead;
+    ac->ev.delRead = redisIvykisDelRead;
+    ac->ev.addWrite = redisIvykisAddWrite;
+    ac->ev.delWrite = redisIvykisDelWrite;
+    ac->ev.cleanup = redisIvykisCleanup;
+    ac->ev.data = e;
+
+    /* Initialize and install read/write events */
+    IV_FD_INIT(&e->fd);
+    e->fd.fd = c->fd;
+    e->fd.handler_in = redisIvykisReadEvent;
+    e->fd.handler_out = redisIvykisWriteEvent;
+    e->fd.handler_err = NULL;
+    e->fd.cookie = e->context;
+
+    iv_fd_register(&e->fd);
+
+    return REDIS_OK;
+}
+#endif
diff --git a/examples/redis-unstable/deps/hiredis/adapters/libev.h b/examples/redis-unstable/deps/hiredis/adapters/libev.h
new file mode 100644
index 0000000..c59d3da
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/libev.h
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2010-2011, Pieter Noordhuis <pcnoordhuis at gmail dot com>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of Redis nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __HIREDIS_LIBEV_H__
+#define __HIREDIS_LIBEV_H__
+#include <stdlib.h>
+#include <sys/types.h>
+#include <ev.h>
+#include "../hiredis.h"
+#include "../async.h"
+
+typedef struct redisLibevEvents {
+    redisAsyncContext *context;
+    struct ev_loop *loop;
+    int reading, writing;
+    ev_io rev, wev;
+    ev_timer timer;
+} redisLibevEvents;
+
+static void redisLibevReadEvent(EV_P_ ev_io *watcher, int revents) {
+#if EV_MULTIPLICITY
+    ((void)EV_A);
+#endif
+    ((void)revents);
+
+    redisLibevEvents *e = (redisLibevEvents*)watcher->data;
+    redisAsyncHandleRead(e->context);
+}
+
+static void redisLibevWriteEvent(EV_P_ ev_io *watcher, int revents) {
+#if EV_MULTIPLICITY
+    ((void)EV_A);
+#endif
+    ((void)revents);
+
+    redisLibevEvents *e = (redisLibevEvents*)watcher->data;
+    redisAsyncHandleWrite(e->context);
+}
+
+static void redisLibevAddRead(void *privdata) {
+    redisLibevEvents *e = (redisLibevEvents*)privdata;
+#if EV_MULTIPLICITY
+    struct ev_loop *loop = e->loop;
+#endif
+    if (!e->reading) {
+        e->reading = 1;
+        ev_io_start(EV_A_ &e->rev);
+    }
+}
+
+static void redisLibevDelRead(void *privdata) {
+    redisLibevEvents *e = (redisLibevEvents*)privdata;
+#if EV_MULTIPLICITY
+    struct ev_loop *loop = e->loop;
+#endif
+    if (e->reading) {
+        e->reading = 0;
+        ev_io_stop(EV_A_ &e->rev);
+    }
+}
+
+static void redisLibevAddWrite(void *privdata) {
+    redisLibevEvents *e = (redisLibevEvents*)privdata;
+#if EV_MULTIPLICITY
+    struct ev_loop *loop = e->loop;
+#endif
+    if (!e->writing) {
+        e->writing = 1;
+        ev_io_start(EV_A_ &e->wev);
+    }
+}
+
+static void redisLibevDelWrite(void *privdata) {
+    redisLibevEvents *e = (redisLibevEvents*)privdata;
+#if EV_MULTIPLICITY
+    struct ev_loop *loop = e->loop;
+#endif
+    if (e->writing) {
+        e->writing = 0;
+        ev_io_stop(EV_A_ &e->wev);
+    }
+}
+
+static void redisLibevStopTimer(void *privdata) {
+    redisLibevEvents *e = (redisLibevEvents*)privdata;
+#if EV_MULTIPLICITY
+    struct ev_loop *loop = e->loop;
+#endif
+    ev_timer_stop(EV_A_ &e->timer);
+}
+
+static void redisLibevCleanup(void *privdata) {
+    redisLibevEvents *e = (redisLibevEvents*)privdata;
+    redisLibevDelRead(privdata);
+    redisLibevDelWrite(privdata);
+    redisLibevStopTimer(privdata);
+    hi_free(e);
+}
+
+static void redisLibevTimeout(EV_P_ ev_timer *timer, int revents) {
+#if EV_MULTIPLICITY
+    ((void)EV_A);
+#endif
+    ((void)revents);
+    redisLibevEvents *e = (redisLibevEvents*)timer->data;
+    redisAsyncHandleTimeout(e->context);
+}
+
+static void redisLibevSetTimeout(void *privdata, struct timeval tv) {
+    redisLibevEvents *e = (redisLibevEvents*)privdata;
+#if EV_MULTIPLICITY
+    struct ev_loop *loop = e->loop;
+#endif
+
+    if (!ev_is_active(&e->timer)) {
+        ev_init(&e->timer, redisLibevTimeout);
+        e->timer.data = e;
+    }
+
+    e->timer.repeat = tv.tv_sec + tv.tv_usec / 1000000.00;
+    ev_timer_again(EV_A_ &e->timer);
+}
+
+static int redisLibevAttach(EV_P_ redisAsyncContext *ac) {
+    redisContext *c = &(ac->c);
+    redisLibevEvents *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 = (redisLibevEvents*)hi_calloc(1, sizeof(*e));
+    if (e == NULL)
+        return REDIS_ERR;
+
+    e->context = ac;
+#if EV_MULTIPLICITY
+    e->loop = EV_A;
+#else
+    e->loop = NULL;
+#endif
+    e->rev.data = e;
+    e->wev.data = e;
+
+    /* Register functions to start/stop listening for events */
+    ac->ev.addRead = redisLibevAddRead;
+    ac->ev.delRead = redisLibevDelRead;
+    ac->ev.addWrite = redisLibevAddWrite;
+    ac->ev.delWrite = redisLibevDelWrite;
+    ac->ev.cleanup = redisLibevCleanup;
+    ac->ev.scheduleTimer = redisLibevSetTimeout;
+    ac->ev.data = e;
+
+    /* Initialize read/write events */
+    ev_io_init(&e->rev,redisLibevReadEvent,c->fd,EV_READ);
+    ev_io_init(&e->wev,redisLibevWriteEvent,c->fd,EV_WRITE);
+    return REDIS_OK;
+}
+
+#endif
diff --git a/examples/redis-unstable/deps/hiredis/adapters/libevent.h b/examples/redis-unstable/deps/hiredis/adapters/libevent.h
new file mode 100644
index 0000000..73bb8ed
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/libevent.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2010-2011, Pieter Noordhuis <pcnoordhuis at gmail dot com>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of Redis nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __HIREDIS_LIBEVENT_H__
+#define __HIREDIS_LIBEVENT_H__
+#include <event2/event.h>
+#include "../hiredis.h"
+#include "../async.h"
+
+#define REDIS_LIBEVENT_DELETED 0x01
+#define REDIS_LIBEVENT_ENTERED 0x02
+
+typedef struct redisLibeventEvents {
+    redisAsyncContext *context;
+    struct event *ev;
+    struct event_base *base;
+    struct timeval tv;
+    short flags;
+    short state;
+} redisLibeventEvents;
+
+static void redisLibeventDestroy(redisLibeventEvents *e) {
+    hi_free(e);
+}
+
+static void redisLibeventHandler(evutil_socket_t fd, short event, void *arg) {
+    ((void)fd);
+    redisLibeventEvents *e = (redisLibeventEvents*)arg;
+    e->state |= REDIS_LIBEVENT_ENTERED;
+
+    #define CHECK_DELETED() if (e->state & REDIS_LIBEVENT_DELETED) {\
+        redisLibeventDestroy(e);\
+        return; \
+    }
+
+    if ((event & EV_TIMEOUT) && (e->state & REDIS_LIBEVENT_DELETED) == 0) {
+        redisAsyncHandleTimeout(e->context);
+        CHECK_DELETED();
+    }
+
+    if ((event & EV_READ) && e->context && (e->state & REDIS_LIBEVENT_DELETED) == 0) {
+        redisAsyncHandleRead(e->context);
+        CHECK_DELETED();
+    }
+
+    if ((event & EV_WRITE) && e->context && (e->state & REDIS_LIBEVENT_DELETED) == 0) {
+        redisAsyncHandleWrite(e->context);
+        CHECK_DELETED();
+    }
+
+    e->state &= ~REDIS_LIBEVENT_ENTERED;
+    #undef CHECK_DELETED
+}
+
+static void redisLibeventUpdate(void *privdata, short flag, int isRemove) {
+    redisLibeventEvents *e = (redisLibeventEvents *)privdata;
+    const struct timeval *tv = e->tv.tv_sec || e->tv.tv_usec ? &e->tv : NULL;
+
+    if (isRemove) {
+        if ((e->flags & flag) == 0) {
+            return;
+        } else {
+            e->flags &= ~flag;
+        }
+    } else {
+        if (e->flags & flag) {
+            return;
+        } else {
+            e->flags |= flag;
+        }
+    }
+
+    event_del(e->ev);
+    event_assign(e->ev, e->base, e->context->c.fd, e->flags | EV_PERSIST,
+                 redisLibeventHandler, privdata);
+    event_add(e->ev, tv);
+}
+
+static void redisLibeventAddRead(void *privdata) {
+    redisLibeventUpdate(privdata, EV_READ, 0);
+}
+
+static void redisLibeventDelRead(void *privdata) {
+    redisLibeventUpdate(privdata, EV_READ, 1);
+}
+
+static void redisLibeventAddWrite(void *privdata) {
+    redisLibeventUpdate(privdata, EV_WRITE, 0);
+}
+
+static void redisLibeventDelWrite(void *privdata) {
+    redisLibeventUpdate(privdata, EV_WRITE, 1);
+}
+
+static void redisLibeventCleanup(void *privdata) {
+    redisLibeventEvents *e = (redisLibeventEvents*)privdata;
+    if (!e) {
+        return;
+    }
+    event_del(e->ev);
+    event_free(e->ev);
+    e->ev = NULL;
+
+    if (e->state & REDIS_LIBEVENT_ENTERED) {
+        e->state |= REDIS_LIBEVENT_DELETED;
+    } else {
+        redisLibeventDestroy(e);
+    }
+}
+
+static void redisLibeventSetTimeout(void *privdata, struct timeval tv) {
+    redisLibeventEvents *e = (redisLibeventEvents *)privdata;
+    short flags = e->flags;
+    e->flags = 0;
+    e->tv = tv;
+    redisLibeventUpdate(e, flags, 0);
+}
+
+static 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*)hi_calloc(1, sizeof(*e));
+    if (e == NULL)
+        return REDIS_ERR;
+
+    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.scheduleTimer = redisLibeventSetTimeout;
+    ac->ev.data = e;
+
+    /* Initialize and install read/write events */
+    e->ev = event_new(base, c->fd, EV_READ | EV_WRITE, redisLibeventHandler, e);
+    e->base = base;
+    return REDIS_OK;
+}
+#endif
diff --git a/examples/redis-unstable/deps/hiredis/adapters/libhv.h b/examples/redis-unstable/deps/hiredis/adapters/libhv.h
new file mode 100644
index 0000000..3b54c70
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/libhv.h
@@ -0,0 +1,123 @@
+#ifndef __HIREDIS_LIBHV_H__
+#define __HIREDIS_LIBHV_H__
+
+#include <hv/hloop.h>
+#include "../hiredis.h"
+#include "../async.h"
+
+typedef struct redisLibhvEvents {
+    hio_t *io;
+    htimer_t *timer;
+} redisLibhvEvents;
+
+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) {
+    redisLibhvEvents* events = (redisLibhvEvents*)privdata;
+    hio_add(events->io, redisLibhvHandleEvents, HV_READ);
+}
+
+static void redisLibhvDelRead(void *privdata) {
+    redisLibhvEvents* events = (redisLibhvEvents*)privdata;
+    hio_del(events->io, HV_READ);
+}
+
+static void redisLibhvAddWrite(void *privdata) {
+    redisLibhvEvents* events = (redisLibhvEvents*)privdata;
+    hio_add(events->io, redisLibhvHandleEvents, HV_WRITE);
+}
+
+static void redisLibhvDelWrite(void *privdata) {
+    redisLibhvEvents* events = (redisLibhvEvents*)privdata;
+    hio_del(events->io, HV_WRITE);
+}
+
+static void redisLibhvCleanup(void *privdata) {
+    redisLibhvEvents* events = (redisLibhvEvents*)privdata;
+
+    if (events->timer)
+        htimer_del(events->timer);
+
+    hio_close(events->io);
+    hevent_set_userdata(events->io, NULL);
+
+    hi_free(events);
+}
+
+static void redisLibhvTimeout(htimer_t* timer) {
+    hio_t* io = (hio_t*)hevent_userdata(timer);
+    redisAsyncHandleTimeout((redisAsyncContext*)hevent_userdata(io));
+}
+
+static void redisLibhvSetTimeout(void *privdata, struct timeval tv) {
+    redisLibhvEvents* events;
+    uint32_t millis;
+    hloop_t* loop;
+
+    events = (redisLibhvEvents*)privdata;
+    millis = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+
+    if (millis == 0) {
+        /* Libhv disallows zero'd timers so treat this as a delete or NO OP */
+        if (events->timer) {
+            htimer_del(events->timer);
+            events->timer = NULL;
+        }
+    } else if (events->timer == NULL) {
+        /* Add new timer */
+        loop = hevent_loop(events->io);
+        events->timer = htimer_add(loop, redisLibhvTimeout, millis, 1);
+        hevent_set_userdata(events->timer, events->io);
+    } else {
+        /* Update existing timer */
+        htimer_reset(events->timer, millis);
+    }
+}
+
+static int redisLibhvAttach(redisAsyncContext* ac, hloop_t* loop) {
+    redisContext *c = &(ac->c);
+    redisLibhvEvents *events;
+    hio_t* io = NULL;
+
+    if (ac->ev.data != NULL) {
+        return REDIS_ERR;
+    }
+
+    /* Create container struct to keep track of our io and any timer */
+    events = (redisLibhvEvents*)hi_malloc(sizeof(*events));
+    if (events == NULL) {
+        return REDIS_ERR;
+    }
+
+    io = hio_get(loop, c->fd);
+    if (io == NULL) {
+        hi_free(events);
+        return REDIS_ERR;
+    }
+
+    hevent_set_userdata(io, ac);
+
+    events->io = io;
+    events->timer = NULL;
+
+    ac->ev.addRead  = redisLibhvAddRead;
+    ac->ev.delRead  = redisLibhvDelRead;
+    ac->ev.addWrite = redisLibhvAddWrite;
+    ac->ev.delWrite = redisLibhvDelWrite;
+    ac->ev.cleanup  = redisLibhvCleanup;
+    ac->ev.scheduleTimer = redisLibhvSetTimeout;
+    ac->ev.data = events;
+
+    return REDIS_OK;
+}
+#endif
diff --git a/examples/redis-unstable/deps/hiredis/adapters/libsdevent.h b/examples/redis-unstable/deps/hiredis/adapters/libsdevent.h
new file mode 100644
index 0000000..1268ed9
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/libsdevent.h
@@ -0,0 +1,177 @@
+#ifndef HIREDIS_LIBSDEVENT_H
+#define HIREDIS_LIBSDEVENT_H
+#include <systemd/sd-event.h>
+#include "../hiredis.h"
+#include "../async.h"
+
+#define REDIS_LIBSDEVENT_DELETED 0x01
+#define REDIS_LIBSDEVENT_ENTERED 0x02
+
+typedef struct redisLibsdeventEvents {
+    redisAsyncContext *context;
+    struct sd_event *event;
+    struct sd_event_source *fdSource;
+    struct sd_event_source *timerSource;
+    int fd;
+    short flags;
+    short state;
+} redisLibsdeventEvents;
+
+static void redisLibsdeventDestroy(redisLibsdeventEvents *e) {
+    if (e->fdSource) {
+        e->fdSource = sd_event_source_disable_unref(e->fdSource);
+    }
+    if (e->timerSource) {
+        e->timerSource = sd_event_source_disable_unref(e->timerSource);
+    }
+    sd_event_unref(e->event);
+    hi_free(e);
+}
+
+static int redisLibsdeventTimeoutHandler(sd_event_source *s, uint64_t usec, void *userdata) {
+    ((void)s);
+    ((void)usec);
+    redisLibsdeventEvents *e = (redisLibsdeventEvents*)userdata;
+    redisAsyncHandleTimeout(e->context);
+    return 0;
+}
+
+static int redisLibsdeventHandler(sd_event_source *s, int fd, uint32_t event, void *userdata) {
+    ((void)s);
+    ((void)fd);
+    redisLibsdeventEvents *e = (redisLibsdeventEvents*)userdata;
+    e->state |= REDIS_LIBSDEVENT_ENTERED;
+
+#define CHECK_DELETED() if (e->state & REDIS_LIBSDEVENT_DELETED) {\
+        redisLibsdeventDestroy(e);\
+        return 0; \
+    }
+
+    if ((event & EPOLLIN) && e->context && (e->state & REDIS_LIBSDEVENT_DELETED) == 0) {
+        redisAsyncHandleRead(e->context);
+        CHECK_DELETED();
+    }
+
+    if ((event & EPOLLOUT) && e->context && (e->state & REDIS_LIBSDEVENT_DELETED) == 0) {
+        redisAsyncHandleWrite(e->context);
+        CHECK_DELETED();
+    }
+
+    e->state &= ~REDIS_LIBSDEVENT_ENTERED;
+#undef CHECK_DELETED
+
+    return 0;
+}
+
+static void redisLibsdeventAddRead(void *userdata) {
+    redisLibsdeventEvents *e = (redisLibsdeventEvents*)userdata;
+
+    if (e->flags & EPOLLIN) {
+        return;
+    }
+
+    e->flags |= EPOLLIN;
+
+    if (e->flags & EPOLLOUT) {
+        sd_event_source_set_io_events(e->fdSource, e->flags);
+    } else {
+        sd_event_add_io(e->event, &e->fdSource, e->fd, e->flags, redisLibsdeventHandler, e);
+    }
+}
+
+static void redisLibsdeventDelRead(void *userdata) {
+    redisLibsdeventEvents *e = (redisLibsdeventEvents*)userdata;
+
+    e->flags &= ~EPOLLIN;
+
+    if (e->flags) {
+        sd_event_source_set_io_events(e->fdSource, e->flags);
+    } else {
+        e->fdSource = sd_event_source_disable_unref(e->fdSource);
+    }
+}
+
+static void redisLibsdeventAddWrite(void *userdata) {
+    redisLibsdeventEvents *e = (redisLibsdeventEvents*)userdata;
+
+    if (e->flags & EPOLLOUT) {
+        return;
+    }
+
+    e->flags |= EPOLLOUT;
+
+    if (e->flags & EPOLLIN) {
+        sd_event_source_set_io_events(e->fdSource, e->flags);
+    } else {
+        sd_event_add_io(e->event, &e->fdSource, e->fd, e->flags, redisLibsdeventHandler, e);
+    }
+}
+
+static void redisLibsdeventDelWrite(void *userdata) {
+    redisLibsdeventEvents *e = (redisLibsdeventEvents*)userdata;
+
+    e->flags &= ~EPOLLOUT;
+
+    if (e->flags) {
+        sd_event_source_set_io_events(e->fdSource, e->flags);
+    } else {
+        e->fdSource = sd_event_source_disable_unref(e->fdSource);
+    }
+}
+
+static void redisLibsdeventCleanup(void *userdata) {
+    redisLibsdeventEvents *e = (redisLibsdeventEvents*)userdata;
+
+    if (!e) {
+        return;
+    }
+
+    if (e->state & REDIS_LIBSDEVENT_ENTERED) {
+        e->state |= REDIS_LIBSDEVENT_DELETED;
+    } else {
+        redisLibsdeventDestroy(e);
+    }
+}
+
+static void redisLibsdeventSetTimeout(void *userdata, struct timeval tv) {
+    redisLibsdeventEvents *e = (redisLibsdeventEvents *)userdata;
+
+    uint64_t usec = tv.tv_sec * 1000000 + tv.tv_usec;
+    if (!e->timerSource) {
+        sd_event_add_time_relative(e->event, &e->timerSource, CLOCK_MONOTONIC, usec, 1, redisLibsdeventTimeoutHandler, e);
+    } else {
+        sd_event_source_set_time_relative(e->timerSource, usec);
+    }
+}
+
+static int redisLibsdeventAttach(redisAsyncContext *ac, struct sd_event *event) {
+    redisContext *c = &(ac->c);
+    redisLibsdeventEvents *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 = (redisLibsdeventEvents*)hi_calloc(1, sizeof(*e));
+    if (e == NULL)
+        return REDIS_ERR;
+
+    /* Initialize and increase event refcount */
+    e->context = ac;
+    e->event = event;
+    e->fd = c->fd;
+    sd_event_ref(event);
+
+    /* Register functions to start/stop listening for events */
+    ac->ev.addRead = redisLibsdeventAddRead;
+    ac->ev.delRead = redisLibsdeventDelRead;
+    ac->ev.addWrite = redisLibsdeventAddWrite;
+    ac->ev.delWrite = redisLibsdeventDelWrite;
+    ac->ev.cleanup = redisLibsdeventCleanup;
+    ac->ev.scheduleTimer = redisLibsdeventSetTimeout;
+    ac->ev.data = e;
+
+    return REDIS_OK;
+}
+#endif
diff --git a/examples/redis-unstable/deps/hiredis/adapters/libuv.h b/examples/redis-unstable/deps/hiredis/adapters/libuv.h
new file mode 100644
index 0000000..268edab
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/libuv.h
@@ -0,0 +1,171 @@
+#ifndef __HIREDIS_LIBUV_H__
+#define __HIREDIS_LIBUV_H__
+#include <stdlib.h>
+#include <uv.h>
+#include "../hiredis.h"
+#include "../async.h"
+#include <string.h>
+
+typedef struct redisLibuvEvents {
+    redisAsyncContext* context;
+    uv_poll_t          handle;
+    uv_timer_t         timer;
+    int                events;
+} redisLibuvEvents;
+
+
+static void redisLibuvPoll(uv_poll_t* handle, int status, int events) {
+    redisLibuvEvents* p = (redisLibuvEvents*)handle->data;
+    int ev = (status ? p->events : events);
+
+    if (p->context != NULL && (ev & UV_READABLE)) {
+        redisAsyncHandleRead(p->context);
+    }
+    if (p->context != NULL && (ev & UV_WRITABLE)) {
+        redisAsyncHandleWrite(p->context);
+    }
+}
+
+
+static void redisLibuvAddRead(void *privdata) {
+    redisLibuvEvents* p = (redisLibuvEvents*)privdata;
+
+    if (p->events & UV_READABLE) {
+        return;
+    }
+
+    p->events |= UV_READABLE;
+
+    uv_poll_start(&p->handle, p->events, redisLibuvPoll);
+}
+
+
+static void redisLibuvDelRead(void *privdata) {
+    redisLibuvEvents* p = (redisLibuvEvents*)privdata;
+
+    p->events &= ~UV_READABLE;
+
+    if (p->events) {
+        uv_poll_start(&p->handle, p->events, redisLibuvPoll);
+    } else {
+        uv_poll_stop(&p->handle);
+    }
+}
+
+
+static void redisLibuvAddWrite(void *privdata) {
+    redisLibuvEvents* p = (redisLibuvEvents*)privdata;
+
+    if (p->events & UV_WRITABLE) {
+        return;
+    }
+
+    p->events |= UV_WRITABLE;
+
+    uv_poll_start(&p->handle, p->events, redisLibuvPoll);
+}
+
+
+static void redisLibuvDelWrite(void *privdata) {
+    redisLibuvEvents* p = (redisLibuvEvents*)privdata;
+
+    p->events &= ~UV_WRITABLE;
+
+    if (p->events) {
+        uv_poll_start(&p->handle, p->events, redisLibuvPoll);
+    } else {
+        uv_poll_stop(&p->handle);
+    }
+}
+
+static void on_timer_close(uv_handle_t *handle) {
+    redisLibuvEvents* p = (redisLibuvEvents*)handle->data;
+    p->timer.data = NULL;
+    if (!p->handle.data) {
+        // both timer and handle are closed
+        hi_free(p);
+    }
+    // else, wait for `on_handle_close`
+}
+
+static void on_handle_close(uv_handle_t *handle) {
+    redisLibuvEvents* p = (redisLibuvEvents*)handle->data;
+    p->handle.data = NULL;
+    if (!p->timer.data) {
+        // timer never started, or timer already destroyed
+        hi_free(p);
+    }
+    // else, wait for `on_timer_close`
+}
+
+// libuv removed `status` parameter since v0.11.23
+// see: https://github.com/libuv/libuv/blob/v0.11.23/include/uv.h
+#if (UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR < 11) || \
+    (UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR == 11 && UV_VERSION_PATCH < 23)
+static void redisLibuvTimeout(uv_timer_t *timer, int status) {
+    (void)status; // unused
+#else
+static void redisLibuvTimeout(uv_timer_t *timer) {
+#endif
+    redisLibuvEvents *e = (redisLibuvEvents*)timer->data;
+    redisAsyncHandleTimeout(e->context);
+}
+
+static void redisLibuvSetTimeout(void *privdata, struct timeval tv) {
+    redisLibuvEvents* p = (redisLibuvEvents*)privdata;
+
+    uint64_t millsec = tv.tv_sec * 1000 + tv.tv_usec / 1000.0;
+    if (!p->timer.data) {
+        // timer is uninitialized
+        if (uv_timer_init(p->handle.loop, &p->timer) != 0) {
+            return;
+        }
+        p->timer.data = p;
+    }
+    // updates the timeout if the timer has already started
+    // or start the timer
+    uv_timer_start(&p->timer, redisLibuvTimeout, millsec, 0);
+}
+
+static void redisLibuvCleanup(void *privdata) {
+    redisLibuvEvents* p = (redisLibuvEvents*)privdata;
+
+    p->context = NULL; // indicate that context might no longer exist
+    if (p->timer.data) {
+        uv_close((uv_handle_t*)&p->timer, on_timer_close);
+    }
+    uv_close((uv_handle_t*)&p->handle, on_handle_close);
+}
+
+
+static int redisLibuvAttach(redisAsyncContext* ac, uv_loop_t* loop) {
+    redisContext *c = &(ac->c);
+
+    if (ac->ev.data != NULL) {
+        return REDIS_ERR;
+    }
+
+    ac->ev.addRead        = redisLibuvAddRead;
+    ac->ev.delRead        = redisLibuvDelRead;
+    ac->ev.addWrite       = redisLibuvAddWrite;
+    ac->ev.delWrite       = redisLibuvDelWrite;
+    ac->ev.cleanup        = redisLibuvCleanup;
+    ac->ev.scheduleTimer  = redisLibuvSetTimeout;
+
+    redisLibuvEvents* p = (redisLibuvEvents*)hi_malloc(sizeof(*p));
+    if (p == NULL)
+        return REDIS_ERR;
+
+    memset(p, 0, sizeof(*p));
+
+    if (uv_poll_init_socket(loop, &p->handle, c->fd) != 0) {
+        return REDIS_ERR;
+    }
+
+    ac->ev.data    = p;
+    p->handle.data = p;
+    p->context     = ac;
+
+    return REDIS_OK;
+}
+#endif
diff --git a/examples/redis-unstable/deps/hiredis/adapters/macosx.h b/examples/redis-unstable/deps/hiredis/adapters/macosx.h
new file mode 100644
index 0000000..3c87f1b
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/macosx.h
@@ -0,0 +1,115 @@
+//
+//  Created by Дмитрий Бахвалов on 13.07.15.
+//  Copyright (c) 2015 Dmitry Bakhvalov. All rights reserved.
+//
+
+#ifndef __HIREDIS_MACOSX_H__
+#define __HIREDIS_MACOSX_H__
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#include "../hiredis.h"
+#include "../async.h"
+
+typedef struct {
+    redisAsyncContext *context;
+    CFSocketRef socketRef;
+    CFRunLoopSourceRef sourceRef;
+} RedisRunLoop;
+
+static int freeRedisRunLoop(RedisRunLoop* redisRunLoop) {
+    if( redisRunLoop != NULL ) {
+        if( redisRunLoop->sourceRef != NULL ) {
+            CFRunLoopSourceInvalidate(redisRunLoop->sourceRef);
+            CFRelease(redisRunLoop->sourceRef);
+        }
+        if( redisRunLoop->socketRef != NULL ) {
+            CFSocketInvalidate(redisRunLoop->socketRef);
+            CFRelease(redisRunLoop->socketRef);
+        }
+        hi_free(redisRunLoop);
+    }
+    return REDIS_ERR;
+}
+
+static void redisMacOSAddRead(void *privdata) {
+    RedisRunLoop *redisRunLoop = (RedisRunLoop*)privdata;
+    CFSocketEnableCallBacks(redisRunLoop->socketRef, kCFSocketReadCallBack);
+}
+
+static void redisMacOSDelRead(void *privdata) {
+    RedisRunLoop *redisRunLoop = (RedisRunLoop*)privdata;
+    CFSocketDisableCallBacks(redisRunLoop->socketRef, kCFSocketReadCallBack);
+}
+
+static void redisMacOSAddWrite(void *privdata) {
+    RedisRunLoop *redisRunLoop = (RedisRunLoop*)privdata;
+    CFSocketEnableCallBacks(redisRunLoop->socketRef, kCFSocketWriteCallBack);
+}
+
+static void redisMacOSDelWrite(void *privdata) {
+    RedisRunLoop *redisRunLoop = (RedisRunLoop*)privdata;
+    CFSocketDisableCallBacks(redisRunLoop->socketRef, kCFSocketWriteCallBack);
+}
+
+static void redisMacOSCleanup(void *privdata) {
+    RedisRunLoop *redisRunLoop = (RedisRunLoop*)privdata;
+    freeRedisRunLoop(redisRunLoop);
+}
+
+static void redisMacOSAsyncCallback(CFSocketRef __unused s, CFSocketCallBackType callbackType, CFDataRef __unused address, const void __unused *data, void *info) {
+    redisAsyncContext* context = (redisAsyncContext*) info;
+
+    switch (callbackType) {
+        case kCFSocketReadCallBack:
+            redisAsyncHandleRead(context);
+            break;
+
+        case kCFSocketWriteCallBack:
+            redisAsyncHandleWrite(context);
+            break;
+
+        default:
+            break;
+    }
+}
+
+static int redisMacOSAttach(redisAsyncContext *redisAsyncCtx, CFRunLoopRef runLoop) {
+    redisContext *redisCtx = &(redisAsyncCtx->c);
+
+    /* Nothing should be attached when something is already attached */
+    if( redisAsyncCtx->ev.data != NULL ) return REDIS_ERR;
+
+    RedisRunLoop* redisRunLoop = (RedisRunLoop*) hi_calloc(1, sizeof(RedisRunLoop));
+    if (redisRunLoop == NULL)
+        return REDIS_ERR;
+
+    /* Setup redis stuff */
+    redisRunLoop->context = redisAsyncCtx;
+
+    redisAsyncCtx->ev.addRead  = redisMacOSAddRead;
+    redisAsyncCtx->ev.delRead  = redisMacOSDelRead;
+    redisAsyncCtx->ev.addWrite = redisMacOSAddWrite;
+    redisAsyncCtx->ev.delWrite = redisMacOSDelWrite;
+    redisAsyncCtx->ev.cleanup  = redisMacOSCleanup;
+    redisAsyncCtx->ev.data     = redisRunLoop;
+
+    /* Initialize and install read/write events */
+    CFSocketContext socketCtx = { 0, redisAsyncCtx, NULL, NULL, NULL };
+
+    redisRunLoop->socketRef = CFSocketCreateWithNative(NULL, redisCtx->fd,
+                                                       kCFSocketReadCallBack | kCFSocketWriteCallBack,
+                                                       redisMacOSAsyncCallback,
+                                                       &socketCtx);
+    if( !redisRunLoop->socketRef ) return freeRedisRunLoop(redisRunLoop);
+
+    redisRunLoop->sourceRef = CFSocketCreateRunLoopSource(NULL, redisRunLoop->socketRef, 0);
+    if( !redisRunLoop->sourceRef ) return freeRedisRunLoop(redisRunLoop);
+
+    CFRunLoopAddSource(runLoop, redisRunLoop->sourceRef, kCFRunLoopDefaultMode);
+
+    return REDIS_OK;
+}
+
+#endif
+
diff --git a/examples/redis-unstable/deps/hiredis/adapters/poll.h b/examples/redis-unstable/deps/hiredis/adapters/poll.h
new file mode 100644
index 0000000..f138650
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/poll.h
@@ -0,0 +1,197 @@
+
+#ifndef HIREDIS_POLL_H
+#define HIREDIS_POLL_H
+
+#include "../async.h"
+#include "../sockcompat.h"
+#include <string.h> // for memset
+#include <errno.h>
+
+/* Values to return from redisPollTick */
+#define REDIS_POLL_HANDLED_READ    1
+#define REDIS_POLL_HANDLED_WRITE   2
+#define REDIS_POLL_HANDLED_TIMEOUT 4
+
+/* An adapter to allow manual polling of the async context by checking the state
+ * of the underlying file descriptor.  Useful in cases where there is no formal
+ * IO event loop but regular ticking can be used, such as in game engines. */
+
+typedef struct redisPollEvents {
+    redisAsyncContext *context;
+    redisFD fd;
+    char reading, writing;
+    char in_tick;
+    char deleted;
+    double deadline;
+} redisPollEvents;
+
+static double redisPollTimevalToDouble(struct timeval *tv) {
+    if (tv == NULL)
+        return 0.0;
+    return tv->tv_sec + tv->tv_usec / 1000000.00;
+}
+
+static double redisPollGetNow(void) {
+#ifndef _MSC_VER
+    struct timeval tv;
+    gettimeofday(&tv,NULL);
+    return redisPollTimevalToDouble(&tv);
+#else
+    FILETIME ft;
+    ULARGE_INTEGER li;
+    GetSystemTimeAsFileTime(&ft);
+    li.HighPart = ft.dwHighDateTime;
+    li.LowPart = ft.dwLowDateTime;
+    return (double)li.QuadPart * 1e-7;
+#endif
+}
+
+/* Poll for io, handling any pending callbacks.  The timeout argument can be
+ * positive to wait for a maximum given time for IO, zero to poll, or negative
+ * to wait forever */
+static int redisPollTick(redisAsyncContext *ac, double timeout) {
+    int reading, writing;
+    struct pollfd pfd;
+    int handled;
+    int ns;
+    int itimeout;
+
+    redisPollEvents *e = (redisPollEvents*)ac->ev.data;
+    if (!e)
+        return 0;
+
+    /* local flags, won't get changed during callbacks */
+    reading = e->reading;
+    writing = e->writing;
+    if (!reading && !writing)
+        return 0;
+
+    pfd.fd = e->fd;
+    pfd.events = 0;
+    if (reading)
+        pfd.events = POLLIN;   
+    if (writing)
+        pfd.events |= POLLOUT;
+
+    if (timeout >= 0.0) {
+        itimeout = (int)(timeout * 1000.0);
+    } else {
+        itimeout = -1;
+    }
+
+    ns = poll(&pfd, 1, itimeout);
+    if (ns < 0) {
+        /* ignore the EINTR error */
+        if (errno != EINTR)
+            return ns;
+        ns = 0;
+    }
+    
+    handled = 0;
+    e->in_tick = 1;
+    if (ns) {
+        if (reading && (pfd.revents & POLLIN)) {
+            redisAsyncHandleRead(ac);
+            handled |= REDIS_POLL_HANDLED_READ;
+        }
+        /* on Windows, connection failure is indicated with the Exception fdset.
+         * handle it the same as writable. */
+        if (writing && (pfd.revents & (POLLOUT | POLLERR))) {
+            /* context Read callback may have caused context to be deleted, e.g.
+               by doing an redisAsyncDisconnect() */
+            if (!e->deleted) {
+                redisAsyncHandleWrite(ac);
+                handled |= REDIS_POLL_HANDLED_WRITE;
+            }
+        }
+    }
+
+    /* perform timeouts */
+    if (!e->deleted && e->deadline != 0.0) {
+        double now = redisPollGetNow();
+        if (now >= e->deadline) {
+            /* deadline has passed.  disable timeout and perform callback */
+            e->deadline = 0.0;
+            redisAsyncHandleTimeout(ac);
+            handled |= REDIS_POLL_HANDLED_TIMEOUT;
+        }
+    }
+
+    /* do a delayed cleanup if required */
+    if (e->deleted)
+        hi_free(e);
+    else
+        e->in_tick = 0;
+
+    return handled;
+}
+
+static void redisPollAddRead(void *data) {
+    redisPollEvents *e = (redisPollEvents*)data;
+    e->reading = 1;
+}
+
+static void redisPollDelRead(void *data) {
+    redisPollEvents *e = (redisPollEvents*)data;
+    e->reading = 0;
+}
+
+static void redisPollAddWrite(void *data) {
+    redisPollEvents *e = (redisPollEvents*)data;
+    e->writing = 1;
+}
+
+static void redisPollDelWrite(void *data) {
+    redisPollEvents *e = (redisPollEvents*)data;
+    e->writing = 0;
+}
+
+static void redisPollCleanup(void *data) {
+    redisPollEvents *e = (redisPollEvents*)data;
+
+    /* if we are currently processing a tick, postpone deletion */
+    if (e->in_tick)
+        e->deleted = 1;
+    else
+        hi_free(e);
+}
+
+static void redisPollScheduleTimer(void *data, struct timeval tv)
+{
+    redisPollEvents *e = (redisPollEvents*)data;
+    double now = redisPollGetNow();
+    e->deadline = now + redisPollTimevalToDouble(&tv);
+}
+
+static int redisPollAttach(redisAsyncContext *ac) {
+    redisContext *c = &(ac->c);
+    redisPollEvents *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 = (redisPollEvents*)hi_malloc(sizeof(*e));
+    if (e == NULL)
+        return REDIS_ERR;
+    memset(e, 0, sizeof(*e));
+
+    e->context = ac;
+    e->fd = c->fd;
+    e->reading = e->writing = 0;
+    e->in_tick = e->deleted = 0;
+    e->deadline = 0.0;
+
+    /* Register functions to start/stop listening for events */
+    ac->ev.addRead = redisPollAddRead;
+    ac->ev.delRead = redisPollDelRead;
+    ac->ev.addWrite = redisPollAddWrite;
+    ac->ev.delWrite = redisPollDelWrite;
+    ac->ev.scheduleTimer = redisPollScheduleTimer;
+    ac->ev.cleanup = redisPollCleanup;
+    ac->ev.data = e;
+
+    return REDIS_OK;
+}
+#endif /* HIREDIS_POLL_H */
diff --git a/examples/redis-unstable/deps/hiredis/adapters/qt.h b/examples/redis-unstable/deps/hiredis/adapters/qt.h
new file mode 100644
index 0000000..5cc02e6
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/qt.h
@@ -0,0 +1,135 @@
+/*-
+ * Copyright (C) 2014 Pietro Cerutti <gahr@gahr.ch>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef __HIREDIS_QT_H__
+#define __HIREDIS_QT_H__
+#include <QSocketNotifier>
+#include "../async.h"
+
+static void RedisQtAddRead(void *);
+static void RedisQtDelRead(void *);
+static void RedisQtAddWrite(void *);
+static void RedisQtDelWrite(void *);
+static void RedisQtCleanup(void *);
+
+class RedisQtAdapter : public QObject {
+
+    Q_OBJECT
+
+    friend
+    void RedisQtAddRead(void * adapter) {
+        RedisQtAdapter * a = static_cast<RedisQtAdapter *>(adapter);
+        a->addRead();
+    }
+
+    friend
+    void RedisQtDelRead(void * adapter) {
+        RedisQtAdapter * a = static_cast<RedisQtAdapter *>(adapter);
+        a->delRead();
+    }
+
+    friend
+    void RedisQtAddWrite(void * adapter) {
+        RedisQtAdapter * a = static_cast<RedisQtAdapter *>(adapter);
+        a->addWrite();
+    }
+
+    friend
+    void RedisQtDelWrite(void * adapter) {
+        RedisQtAdapter * a = static_cast<RedisQtAdapter *>(adapter);
+        a->delWrite();
+    }
+
+    friend
+    void RedisQtCleanup(void * adapter) {
+        RedisQtAdapter * a = static_cast<RedisQtAdapter *>(adapter);
+        a->cleanup();
+    }
+
+    public:
+        RedisQtAdapter(QObject * parent = 0)
+            : QObject(parent), m_ctx(0), m_read(0), m_write(0) { }
+
+        ~RedisQtAdapter() {
+            if (m_ctx != 0) {
+                m_ctx->ev.data = NULL;
+            }
+        }
+
+        int setContext(redisAsyncContext * ac) {
+            if (ac->ev.data != NULL) {
+                return REDIS_ERR;
+            }
+            m_ctx = ac;
+            m_ctx->ev.data = this;
+            m_ctx->ev.addRead = RedisQtAddRead;
+            m_ctx->ev.delRead = RedisQtDelRead;
+            m_ctx->ev.addWrite = RedisQtAddWrite;
+            m_ctx->ev.delWrite = RedisQtDelWrite;
+            m_ctx->ev.cleanup = RedisQtCleanup;
+            return REDIS_OK;
+        }
+
+    private:
+        void addRead() {
+            if (m_read) return;
+            m_read = new QSocketNotifier(m_ctx->c.fd, QSocketNotifier::Read, 0);
+            connect(m_read, SIGNAL(activated(int)), this, SLOT(read()));
+        }
+
+        void delRead() {
+            if (!m_read) return;
+            delete m_read;
+            m_read = 0;
+        }
+
+        void addWrite() {
+            if (m_write) return;
+            m_write = new QSocketNotifier(m_ctx->c.fd, QSocketNotifier::Write, 0);
+            connect(m_write, SIGNAL(activated(int)), this, SLOT(write()));
+        }
+
+        void delWrite() {
+            if (!m_write) return;
+            delete m_write;
+            m_write = 0;
+        }
+
+        void cleanup() {
+            delRead();
+            delWrite();
+        }
+
+    private slots:
+        void read() { redisAsyncHandleRead(m_ctx); }
+        void write() { redisAsyncHandleWrite(m_ctx); }
+
+    private:
+        redisAsyncContext * m_ctx;
+        QSocketNotifier * m_read;
+        QSocketNotifier * m_write;
+};
+
+#endif /* !__HIREDIS_QT_H__ */
diff --git a/examples/redis-unstable/deps/hiredis/adapters/redismoduleapi.h b/examples/redis-unstable/deps/hiredis/adapters/redismoduleapi.h
new file mode 100644
index 0000000..8a076fe
--- /dev/null
+++ b/examples/redis-unstable/deps/hiredis/adapters/redismoduleapi.h
@@ -0,0 +1,144 @@
+#ifndef __HIREDIS_REDISMODULEAPI_H__
+#define __HIREDIS_REDISMODULEAPI_H__
+
+#include "redismodule.h"
+
+#include "../async.h"
+#include "../hiredis.h"
+
+#include <sys/types.h>
+
+typedef struct redisModuleEvents {
+    redisAsyncContext *context;
+    RedisModuleCtx *module_ctx;
+    int fd;
+    int reading, writing;
+    int timer_active;
+    RedisModuleTimerID timer_id;
+} redisModuleEvents;
+
+static inline void redisModuleReadEvent(int fd, void *privdata, int mask) {
+    (void) fd;
+    (void) mask;
+
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    redisAsyncHandleRead(e->context);
+}
+
+static inline void redisModuleWriteEvent(int fd, void *privdata, int mask) {
+    (void) fd;
+    (void) mask;
+
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    redisAsyncHandleWrite(e->context);
+}
+
+static inline void redisModuleAddRead(void *privdata) {
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    if (!e->reading) {
+        e->reading = 1;
+        RedisModule_EventLoopAdd(e->fd, REDISMODULE_EVENTLOOP_READABLE, redisModuleReadEvent, e);
+    }
+}
+
+static inline void redisModuleDelRead(void *privdata) {
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    if (e->reading) {
+        e->reading = 0;
+        RedisModule_EventLoopDel(e->fd, REDISMODULE_EVENTLOOP_READABLE);
+    }
+}
+
+static inline void redisModuleAddWrite(void *privdata) {
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    if (!e->writing) {
+        e->writing = 1;
+        RedisModule_EventLoopAdd(e->fd, REDISMODULE_EVENTLOOP_WRITABLE, redisModuleWriteEvent, e);
+    }
+}
+
+static inline void redisModuleDelWrite(void *privdata) {
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    if (e->writing) {
+        e->writing = 0;
+        RedisModule_EventLoopDel(e->fd, REDISMODULE_EVENTLOOP_WRITABLE);
+    }
+}
+
+static inline void redisModuleStopTimer(void *privdata) {
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    if (e->timer_active) {
+        RedisModule_StopTimer(e->module_ctx, e->timer_id, NULL);
+    }
+    e->timer_active = 0;
+}
+
+static inline void redisModuleCleanup(void *privdata) {
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    redisModuleDelRead(privdata);
+    redisModuleDelWrite(privdata);
+    redisModuleStopTimer(privdata);
+    hi_free(e);
+}
+
+static inline void redisModuleTimeout(RedisModuleCtx *ctx, void *privdata) {
+    (void) ctx;
+
+    redisModuleEvents *e = (redisModuleEvents*)privdata;
+    e->timer_active = 0;
+    redisAsyncHandleTimeout(e->context);
+}
+
+static inline void redisModuleSetTimeout(void *privdata, struct timeval tv) {
+    redisModuleEvents* e = (redisModuleEvents*)privdata;
+
+    redisModuleStopTimer(privdata);
+
+    mstime_t millis = tv.tv_sec * 1000 + tv.tv_usec / 1000.0;
+    e->timer_id = RedisModule_CreateTimer(e->module_ctx, millis, redisModuleTimeout, e);
+    e->timer_active = 1;
+}
+
+/* Check if Redis version is compatible with the adapter. */
+static inline int redisModuleCompatibilityCheck(void) {
+    if (!RedisModule_EventLoopAdd ||
+        !RedisModule_EventLoopDel ||
+        !RedisModule_CreateTimer ||
+        !RedisModule_StopTimer) {
+        return REDIS_ERR;
+    }
+    return REDIS_OK;
+}
+
+static inline int redisModuleAttach(redisAsyncContext *ac, RedisModuleCtx *module_ctx) {
+    redisContext *c = &(ac->c);
+    redisModuleEvents *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 = (redisModuleEvents*)hi_malloc(sizeof(*e));
+    if (e == NULL)
+        return REDIS_ERR;
+
+    e->context = ac;
+    e->module_ctx = module_ctx;
+    e->fd = c->fd;
+    e->reading = e->writing = 0;
+    e->timer_active = 0;
+
+    /* Register functions to start/stop listening for events */
+    ac->ev.addRead = redisModuleAddRead;
+    ac->ev.delRead = redisModuleDelRead;
+    ac->ev.addWrite = redisModuleAddWrite;
+    ac->ev.delWrite = redisModuleDelWrite;
+    ac->ev.cleanup = redisModuleCleanup;
+    ac->ev.scheduleTimer = redisModuleSetTimeout;
+    ac->ev.data = e;
+
+    return REDIS_OK;
+}
+
+#endif