jam*_*246 8 sockets macos udp cocoaasyncsocket swift
我正在 Swift 中使用CocoaAsyncSocket来绑定到 UDP 套接字并通过本地网络接收消息。
我正在初始化一个套接字,并尝试绑定到一个端口,但出现错误NSPOSIXErrorDomain。也许表明某种权限问题?
我的代码:
import Cocoa
import CocoaAsyncSocket
@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate, GCDAsyncUdpSocketDelegate {
func applicationDidFinishLaunching(_ aNotification: Notification) {
let socket = GCDAsyncUdpSocket.init(delegate: self, delegateQueue: DispatchQueue.main)
do {
try socket.bind(toPort: 53401)
} catch let msg {
NSLog("Error....\(msg)")
}
}
}
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完整错误:
Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted" UserInfo={NSLocalizedDescription=Operation not permitted, NSLocalizedFailureReason=Error in bind() function}
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我相信是生成的 Xcode 权利阻止了绑定。我将这些值更改为false,现在绑定可以工作
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.app-sandbox</key>
<false/>
<key>com.apple.security.files.user-selected.read-only</key>
<false/>
</dict>
</plist>
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