Added MacOS X addapter and corresponding example.

Added MacOS X support via CoreFoundation run loop.

1 files changed, 114 insertions, 0 deletions

diff --git a/adapters/macosx.h b/adapters/macosx.h
new file mode 100644
index 0000000..72121f6
--- /dev/null
+++ b/adapters/macosx.h
@@ -0,0 +1,114 @@
+//
+//  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);
+        }
+        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*) calloc(1, sizeof(RedisRunLoop));
+    if( !redisRunLoop ) 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
+