| // Stream.swift |
| // |
| // Copyright (c) 2014–2016 Alamofire Software Foundation (http://alamofire.org/) |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a copy |
| // of this software and associated documentation files (the "Software"), to deal |
| // in the Software without restriction, including without limitation the rights |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| // copies of the Software, and to permit persons to whom the Software is |
| // furnished to do so, subject to the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included in |
| // all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| // THE SOFTWARE. |
| |
| import Foundation |
| |
| #if !os(watchOS) |
| |
| @available(iOS 9.0, OSX 10.11, tvOS 9.0, *) |
| extension Manager { |
| private enum Streamable { |
| case Stream(String, Int) |
| case NetService(NSNetService) |
| } |
| |
| private func stream(streamable: Streamable) -> Request { |
| var streamTask: NSURLSessionStreamTask! |
| |
| switch streamable { |
| case .Stream(let hostName, let port): |
| dispatch_sync(queue) { |
| streamTask = self.session.streamTaskWithHostName(hostName, port: port) |
| } |
| case .NetService(let netService): |
| dispatch_sync(queue) { |
| streamTask = self.session.streamTaskWithNetService(netService) |
| } |
| } |
| |
| let request = Request(session: session, task: streamTask) |
| |
| delegate[request.delegate.task] = request.delegate |
| |
| if startRequestsImmediately { |
| request.resume() |
| } |
| |
| return request |
| } |
| |
| /** |
| Creates a request for bidirectional streaming with the given hostname and port. |
| |
| - parameter hostName: The hostname of the server to connect to. |
| - parameter port: The port of the server to connect to. |
| |
| :returns: The created stream request. |
| */ |
| public func stream(hostName hostName: String, port: Int) -> Request { |
| return stream(.Stream(hostName, port)) |
| } |
| |
| /** |
| Creates a request for bidirectional streaming with the given `NSNetService`. |
| |
| - parameter netService: The net service used to identify the endpoint. |
| |
| - returns: The created stream request. |
| */ |
| public func stream(netService netService: NSNetService) -> Request { |
| return stream(.NetService(netService)) |
| } |
| } |
| |
| // MARK: - |
| |
| @available(iOS 9.0, OSX 10.11, tvOS 9.0, *) |
| extension Manager.SessionDelegate: NSURLSessionStreamDelegate { |
| |
| // MARK: Override Closures |
| |
| /// Overrides default behavior for NSURLSessionStreamDelegate method `URLSession:readClosedForStreamTask:`. |
| public var streamTaskReadClosed: ((NSURLSession, NSURLSessionStreamTask) -> Void)? { |
| get { |
| return _streamTaskReadClosed as? (NSURLSession, NSURLSessionStreamTask) -> Void |
| } |
| set { |
| _streamTaskReadClosed = newValue |
| } |
| } |
| |
| /// Overrides default behavior for NSURLSessionStreamDelegate method `URLSession:writeClosedForStreamTask:`. |
| public var streamTaskWriteClosed: ((NSURLSession, NSURLSessionStreamTask) -> Void)? { |
| get { |
| return _streamTaskWriteClosed as? (NSURLSession, NSURLSessionStreamTask) -> Void |
| } |
| set { |
| _streamTaskWriteClosed = newValue |
| } |
| } |
| |
| /// Overrides default behavior for NSURLSessionStreamDelegate method `URLSession:betterRouteDiscoveredForStreamTask:`. |
| public var streamTaskBetterRouteDiscovered: ((NSURLSession, NSURLSessionStreamTask) -> Void)? { |
| get { |
| return _streamTaskBetterRouteDiscovered as? (NSURLSession, NSURLSessionStreamTask) -> Void |
| } |
| set { |
| _streamTaskBetterRouteDiscovered = newValue |
| } |
| } |
| |
| /// Overrides default behavior for NSURLSessionStreamDelegate method `URLSession:streamTask:didBecomeInputStream:outputStream:`. |
| public var streamTaskDidBecomeInputStream: ((NSURLSession, NSURLSessionStreamTask, NSInputStream, NSOutputStream) -> Void)? { |
| get { |
| return _streamTaskDidBecomeInputStream as? (NSURLSession, NSURLSessionStreamTask, NSInputStream, NSOutputStream) -> Void |
| } |
| set { |
| _streamTaskDidBecomeInputStream = newValue |
| } |
| } |
| |
| // MARK: Delegate Methods |
| |
| /** |
| Tells the delegate that the read side of the connection has been closed. |
| |
| - parameter session: The session. |
| - parameter streamTask: The stream task. |
| */ |
| public func URLSession(session: NSURLSession, readClosedForStreamTask streamTask: NSURLSessionStreamTask) { |
| streamTaskReadClosed?(session, streamTask) |
| } |
| |
| /** |
| Tells the delegate that the write side of the connection has been closed. |
| |
| - parameter session: The session. |
| - parameter streamTask: The stream task. |
| */ |
| public func URLSession(session: NSURLSession, writeClosedForStreamTask streamTask: NSURLSessionStreamTask) { |
| streamTaskWriteClosed?(session, streamTask) |
| } |
| |
| /** |
| Tells the delegate that the system has determined that a better route to the host is available. |
| |
| - parameter session: The session. |
| - parameter streamTask: The stream task. |
| */ |
| public func URLSession(session: NSURLSession, betterRouteDiscoveredForStreamTask streamTask: NSURLSessionStreamTask) { |
| streamTaskBetterRouteDiscovered?(session, streamTask) |
| } |
| |
| /** |
| Tells the delegate that the stream task has been completed and provides the unopened stream objects. |
| |
| - parameter session: The session. |
| - parameter streamTask: The stream task. |
| - parameter inputStream: The new input stream. |
| - parameter outputStream: The new output stream. |
| */ |
| public func URLSession( |
| session: NSURLSession, |
| streamTask: NSURLSessionStreamTask, |
| didBecomeInputStream inputStream: NSInputStream, |
| outputStream: NSOutputStream) |
| { |
| streamTaskDidBecomeInputStream?(session, streamTask, inputStream, outputStream) |
| } |
| } |
| |
| #endif |