84 lines
3.5 KiB
Swift
84 lines
3.5 KiB
Swift
//
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// Copyright (c) <2014>, skysent
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. All advertising materials mentioning features or use of this software
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// must display the following acknowledgement:
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// This product includes software developed by skysent.
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// 4. Neither the name of the skysent nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY skysent ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL skysent BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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import Foundation
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@_silgen_name("ytcpsocket_listen") private func c_ytcpsocket_listen(_ address:UnsafePointer<Int8>,port:Int32)->Int32
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@_silgen_name("ytcpsocket_accept") private func c_ytcpsocket_accept(_ onsocketfd:Int32,ip:UnsafePointer<Int8>,port:UnsafePointer<Int32>) -> Int32
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@_silgen_name("ytcpsocket_port") private func c_ytcpsocket_port(_ fd:Int32) -> Int32
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@_silgen_name("ytcpsocket_close") private func c_ytcpsocket_close(_ fd:Int32) -> Int32
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open class TCPServer: Socket {
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open func listen() -> Result {
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let fd = c_ytcpsocket_listen(self.address, port: Int32(self.port))
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if fd > 0 {
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self.fd = fd
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// If port 0 is used, get the actual port number which the server is listening to
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if (self.port == 0) {
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let p = c_ytcpsocket_port(fd)
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if (p == -1) {
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return .failure(SocketError.unknownError)
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} else {
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self.port = p
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}
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}
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return .success
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} else {
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return .failure(SocketError.unknownError)
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}
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}
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open func accept() -> TCPClient? {
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guard let serferfd = self.fd else { return nil }
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var buff: [Int8] = [Int8](repeating: 0x0,count: 16)
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var port: Int32 = 0
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let clientfd: Int32 = c_ytcpsocket_accept(serferfd, ip: &buff, port: &port)
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guard clientfd >= 0 else { return nil }
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guard let address = String(cString: buff, encoding: String.Encoding.utf8) else { return nil }
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let client = TCPClient(address: address, port: port)
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client.fd = clientfd
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return client
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}
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open func close() {
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guard let fd: Int32=self.fd else { return }
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_ = c_ytcpsocket_close(fd)
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self.fd = nil
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}
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}
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