NSOutputStream 刷新
我正在开发一个 iPhone 应用程序，想要使用：
CFStreamCreatePairWithSocketToHost(NULL, url, port, &serverReadStream, &serverWriteStream);
然后使用：
[serverWriteStream write:[sendData bytes] maxLength:[sendData length]];
我想发送 5 字节的小包来获取实时更新。
我现在的问题是，流仅在缓冲区已满时发送数据。所以我需要某种刷新方法或告诉流立即发送数据。
搜索这个问题最终发现“TCP_NODELAY”，它似乎属于未记录的API（我不能将其用于AppStore，如果我错了请纠正我），即使我可能被允许使用它，我也必须改变流的创建，对吗？
I'm working on an iPhone App and wanted to use:
CFStreamCreatePairWithSocketToHost(NULL, url, port, &serverReadStream, &serverWriteStream);
And after that use the:
[serverWriteStream write:[sendData bytes] maxLength:[sendData length]];
I want to send small Packages of 5 Bytes to get realtime updates.
My problem is now, that the stream only sends data when the buffer is full. So I need some kind of a flush method or tell the stream to immediately send the data.
Searching for this problem ended in finding 'TCP_NODELAY' which seems to belong to the undocumented API ( which I mustn't use for AppStore, correct me if im wrong pls ) and even if I might be allowed to use it, I would have to change the creation of the streams, right?
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Cocoa NSOutputStream 发送到连接
只需添加一个“行尾”（“ \n" ) 到你的字符串。为我工作。
Cocoa NSOutputStream send to a connection
Just add an "end of line" ( "\n" ) to your string. work for me.