完成PAC生成和从GFWList更新

Pods/Alamofire/Source/Timeline.swift

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+//
+//  Timeline.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
+
+/// Responsible for computing the timing metrics for the complete lifecycle of a `Request`.
+public struct Timeline {
+    /// The time the request was initialized.
+    public let requestStartTime: CFAbsoluteTime
+
+    /// The time the first bytes were received from or sent to the server.
+    public let initialResponseTime: CFAbsoluteTime
+
+    /// The time when the request was completed.
+    public let requestCompletedTime: CFAbsoluteTime
+
+    /// The time when the response serialization was completed.
+    public let serializationCompletedTime: CFAbsoluteTime
+
+    /// The time interval in seconds from the time the request started to the initial response from the server.
+    public let latency: NSTimeInterval
+
+    /// The time interval in seconds from the time the request started to the time the request completed.
+    public let requestDuration: NSTimeInterval
+
+    /// The time interval in seconds from the time the request completed to the time response serialization completed.
+    public let serializationDuration: NSTimeInterval
+
+    /// The time interval in seconds from the time the request started to the time response serialization completed.
+    public let totalDuration: NSTimeInterval
+
+    /**
+        Creates a new `Timeline` instance with the specified request times.
+
+        - parameter requestStartTime:           The time the request was initialized. Defaults to `0.0`.
+        - parameter initialResponseTime:        The time the first bytes were received from or sent to the server. 
+                                                Defaults to `0.0`.
+        - parameter requestCompletedTime:       The time when the request was completed. Defaults to `0.0`.
+        - parameter serializationCompletedTime: The time when the response serialization was completed. Defaults 
+                                                to `0.0`.
+
+        - returns: The new `Timeline` instance.
+    */
+    public init(
+        requestStartTime: CFAbsoluteTime = 0.0,
+        initialResponseTime: CFAbsoluteTime = 0.0,
+        requestCompletedTime: CFAbsoluteTime = 0.0,
+        serializationCompletedTime: CFAbsoluteTime = 0.0)
+    {
+        self.requestStartTime = requestStartTime
+        self.initialResponseTime = initialResponseTime
+        self.requestCompletedTime = requestCompletedTime
+        self.serializationCompletedTime = serializationCompletedTime
+
+        self.latency = initialResponseTime - requestStartTime
+        self.requestDuration = requestCompletedTime - requestStartTime
+        self.serializationDuration = serializationCompletedTime - requestCompletedTime
+        self.totalDuration = serializationCompletedTime - requestStartTime
+    }
+}
+
+// MARK: - CustomStringConvertible
+
+extension Timeline: CustomStringConvertible {
+    /// The textual representation used when written to an output stream, which includes the latency, the request 
+    /// duration and the total duration.
+    public var description: String {
+        let latency = String(format: "%.3f", self.latency)
+        let requestDuration = String(format: "%.3f", self.requestDuration)
+        let serializationDuration = String(format: "%.3f", self.serializationDuration)
+        let totalDuration = String(format: "%.3f", self.totalDuration)
+
+        let timings = [
+            "\"Latency\": \(latency) secs",
+            "\"Request Duration\": \(requestDuration) secs",
+            "\"Serialization Duration\": \(serializationDuration) secs",
+            "\"Total Duration\": \(totalDuration) secs"
+        ]
+
+        return "Timeline: { \(timings.joinWithSeparator(", ")) }"
+    }
+}
+
+// MARK: - CustomDebugStringConvertible
+
+extension Timeline: CustomDebugStringConvertible {
+    /// The textual representation used when written to an output stream, which includes the request start time, the 
+    /// initial response time, the request completed time, the serialization completed time, the latency, the request
+    /// duration and the total duration.
+    public var debugDescription: String {
+        let timings = [
+            "\"Request Start Time\": \(requestStartTime)",
+            "\"Initial Response Time\": \(initialResponseTime)",
+            "\"Request Completed Time\": \(requestCompletedTime)",
+            "\"Serialization Completed Time\": \(serializationCompletedTime)",
+            "\"Latency\": \(latency) secs",
+            "\"Request Duration\": \(requestDuration) secs",
+            "\"Serialization Duration\": \(serializationDuration) secs",
+            "\"Total Duration\": \(totalDuration) secs"
+        ]
+
+        return "Timeline: { \(timings.joinWithSeparator(", ")) }"
+    }
+}