All models now Equatable

Signed-off-by: Eric Kuck <eric@bluelinelabs.com>

WireGuard/Shared/Model/DNSServer.swift

@@ -12,6 +12,12 @@ struct DNSServer {
     }
 }
 
+extension DNSServer: Equatable {
+    static func == (lhs: DNSServer, rhs: DNSServer) -> Bool {
+        return lhs.address.rawValue == rhs.address.rawValue
+    }
+}
+
 extension DNSServer {
     var stringRepresentation: String {
         return "\(address)"

WireGuard/Shared/Model/Endpoint.swift

@@ -14,6 +14,19 @@ struct Endpoint {
     }
 }
 
+extension Endpoint: Equatable {
+    static func == (lhs: Endpoint, rhs: Endpoint) -> Bool {
+        return lhs.host == rhs.host && lhs.port == rhs.port
+    }
+}
+
+extension Endpoint: Hashable {
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(host)
+        hasher.combine(port)
+    }
+}
+
 extension Endpoint {
     var stringRepresentation: String {
         switch host {

WireGuard/Shared/Model/IPAddressRange.swift

@@ -14,6 +14,19 @@ struct IPAddressRange {
     }
 }
 
+extension IPAddressRange: Equatable {
+    static func == (lhs: IPAddressRange, rhs: IPAddressRange) -> Bool {
+        return lhs.address.rawValue == rhs.address.rawValue && lhs.networkPrefixLength == rhs.networkPrefixLength
+    }
+}
+
+extension IPAddressRange: Hashable {
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(address.rawValue)
+        hasher.combine(networkPrefixLength)
+    }
+}
+
 extension IPAddressRange {
     var stringRepresentation: String {
         return "\(address)/\(networkPrefixLength)"

WireGuard/Shared/Model/InterfaceConfiguration.swift

@@ -2,6 +2,7 @@
 // Copyright © 2018 WireGuard LLC. All Rights Reserved.
 
 import Foundation
+import Network
 
 struct InterfaceConfiguration {
     var privateKey: Data
@@ -17,3 +18,16 @@ struct InterfaceConfiguration {
         self.privateKey = privateKey
     }
 }
+
+extension InterfaceConfiguration: Equatable {
+    static func == (lhs: InterfaceConfiguration, rhs: InterfaceConfiguration) -> Bool {
+        let lhsAddresses = lhs.addresses.filter { $0.address is IPv4Address } + lhs.addresses.filter { $0.address is IPv6Address }
+        let rhsAddresses = rhs.addresses.filter { $0.address is IPv4Address } + rhs.addresses.filter { $0.address is IPv6Address }
+
+        return lhs.privateKey == rhs.privateKey &&
+            lhsAddresses == rhsAddresses &&
+            lhs.listenPort == rhs.listenPort &&
+            lhs.mtu == rhs.mtu &&
+            lhs.dns == rhs.dns
+    }
+}

WireGuard/Shared/Model/PeerConfiguration.swift

@@ -25,3 +25,24 @@ struct PeerConfiguration {
         }
     }
 }
+
+extension PeerConfiguration: Equatable {
+    static func == (lhs: PeerConfiguration, rhs: PeerConfiguration) -> Bool {
+        return lhs.publicKey == rhs.publicKey &&
+            lhs.preSharedKey == rhs.preSharedKey &&
+            Set(lhs.allowedIPs) == Set(rhs.allowedIPs) &&
+            lhs.endpoint == rhs.endpoint &&
+            lhs.persistentKeepAlive == rhs.persistentKeepAlive
+    }
+}
+
+extension PeerConfiguration: Hashable {
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(publicKey)
+        hasher.combine(preSharedKey)
+        hasher.combine(Set(allowedIPs))
+        hasher.combine(endpoint)
+        hasher.combine(persistentKeepAlive)
+
+    }
+}

WireGuard/Shared/Model/TunnelConfiguration.swift

@@ -22,3 +22,11 @@ final class TunnelConfiguration {
         }
     }
 }
+
+extension TunnelConfiguration: Equatable {
+    static func == (lhs: TunnelConfiguration, rhs: TunnelConfiguration) -> Bool {
+        return lhs.name == rhs.name &&
+            lhs.interface == rhs.interface &&
+            Set(lhs.peers) == Set(rhs.peers)
+    }
+}