Split project into two modules allowing for HTTP to be imported into other projects

Author: camelCaseD

Package.swift

@@ -1,5 +1,17 @@
 import PackageDescription
 
 let package = Package(
-    name: "swift-http"
+    name: "swift-http",
+    targets: [
+      Target(
+        name: "example",
+        dependencies: [
+          .Target(name: "http")
+        ]
+      ),
+      
+      Target(
+        name: "http"
+      )
+    ]
 )

Sources/main.swift

@@ -0,0 +1,43 @@
+import Foundation
+
+#if os(Linux)
+    import Glibc
+#else
+    import Darwin.C
+#endif
+
+import http
+
+let environment = NSProcessInfo.processInfo().environment
+var port = environment["PORT"]
+if port == nil || port!.isEmpty {
+    port = "8080"
+}
+let portInt = UInt16(port!)
+
+let server = HTTP(port: portInt!)
+
+while (true) {
+  if (listen(server.serverSocket, 10) < 0) {
+    exit(1)
+  }
+
+  let clientSocket = accept(server.serverSocket, nil, nil)
+
+  let msg = "Hello World"
+  let contentLength = msg.utf8.count
+
+  server.echo(clientSocket, "HTTP/1.1 200 OK\n")
+  server.echo(clientSocket, "Server: Swift Web Server\n")
+  server.echo(clientSocket, "Content-length: \(contentLength)\n")
+  server.echo(clientSocket, "Content-type: text-plain\n")
+  server.echo(clientSocket, "Connection: close\n")
+  server.echo(clientSocket, "\r\n")
+
+  server.echo(clientSocket, msg)
+
+  print("Response sent: '\(msg)' - Length: \(contentLength)")
+
+  shutdown(clientSocket, Int32(SHUT_RDWR))
+  close(clientSocket)
+}

example/main.swift

@@ -5,15 +5,15 @@
 #endif
 
 public class HTTP {
-  var   serverSocket : Int32 = 0
-  var  serverAddress : sockaddr_in?
+  public var   serverSocket : Int32 = 0
+  public var  serverAddress : sockaddr_in?
   var     bufferSize : Int = 1024
 
   func sockaddr_cast(p: UnsafeMutablePointer<Void>) -> UnsafeMutablePointer<sockaddr> {
     return UnsafeMutablePointer<sockaddr>(p)
   }
 
-  func echo(socket: Int32, _ output: String) {
+  public func echo(socket: Int32, _ output: String) {
    output.withCString { (bytes) in
       #if os(Linux)
       let flags = Int32(MSG_NOSIGNAL)
@@ -24,7 +24,7 @@ public class HTTP {
    }
   }
 
-  init(port: UInt16) {
+  public init(port: UInt16) {
     #if os(Linux)
     serverSocket = socket(AF_INET, Int32(SOCK_STREAM.rawValue), 0)
     #else
@@ -63,33 +63,6 @@ public class HTTP {
       print("Server started at port \(port)")
     }
   }
-
-  func start() {
-    while (true) {
-      if (listen(serverSocket, 10) < 0) {
-        exit(1)
-      }
-
-      let clientSocket = accept(serverSocket, nil, nil)
-
-      let msg = "Hello World"
-      let contentLength = msg.utf8.count
-
-      echo(clientSocket, "HTTP/1.1 200 OK\n")
-      echo(clientSocket, "Server: Swift Web Server\n")
-      echo(clientSocket, "Content-length: \(contentLength)\n")
-      echo(clientSocket, "Content-type: text-plain\n")
-      echo(clientSocket, "Connection: close\n")
-      echo(clientSocket, "\r\n")
-
-      echo(clientSocket, msg)
-
-      print("Response sent: '\(msg)' - Length: \(contentLength)")
-
-      shutdown(clientSocket, Int32(SHUT_RDWR))
-      close(clientSocket)
-    }
-  }
 }
 
 extension CUnsignedShort {