Created
April 8, 2018 23:08
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| import Darwin.C | |
| let zero = Int8(0) | |
| let transportLayerType = SOCK_STREAM // TCP | |
| let internetLayerProtocol = AF_INET // IPv4 | |
| let sock = socket(internetLayerProtocol, Int32(transportLayerType), 0) | |
| let portNumber = UInt16(4000) | |
| let socklen = UInt8(socklen_t(MemoryLayout<sockaddr_in>.size)) | |
| var serveraddr = sockaddr_in() | |
| serveraddr.sin_family = sa_family_t(AF_INET) | |
| serveraddr.sin_port = in_port_t((portNumber << 8) + (portNumber >> 8)) | |
| serveraddr.sin_addr = in_addr(s_addr: in_addr_t(0)) | |
| serveraddr.sin_zero = (zero, zero, zero, zero, zero, zero, zero, zero) | |
| withUnsafePointer(to: &serveraddr) { sockaddrInPtr in | |
| let sockaddrPtr = UnsafeRawPointer(sockaddrInPtr).assumingMemoryBound(to: sockaddr.self) | |
| bind(sock, sockaddrPtr, socklen_t(socklen)) | |
| } | |
| listen(sock, 5) | |
| print("Server listening on port \(portNumber)") | |
| repeat { | |
| let client = accept(sock, nil, nil) | |
| let html = "<!DOCTYPE html><html><body style='text-align:center;'><h1>Hello from <a href='https://swift.org'>Swift</a> Web Server.</h1></body></html>" | |
| let httpResponse: String = """ | |
| HTTP/1.1 200 OK | |
| server: simple-swift-server | |
| content-length: \(html.count) | |
| \(html) | |
| """ | |
| httpResponse.withCString { bytes in | |
| send(client, bytes, Int(strlen(bytes)), 0) | |
| close(client) | |
| } | |
| } while sock > -1 |
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