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1/*
2 * Copyright (c) 2017-2018 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24/*
25 * Modification History
26 *
27 * November 15, 2017 Allan Nathanson <ajn@apple.com>
28 * - initial revision
29 */
30
31#import <os/log.h>
32#import "EventFactory.h"
33#import "SCLogParser.h"
34#import "InterfaceNamerParser.h"
35#import "IPMonitorParser.h"
36#import "KernelEventMonitorParser.h"
37#import "PreferencesMonitorParser.h"
38#import "StateDumpParser.h"
39#import "IPConfigurationParser.h"
40
41#pragma mark -
42#pragma mark Logging
43
44os_log_t
45__log_Spectacles(void)
46{
47 static os_log_t log = NULL;
48
49 if (log == NULL) {
50 log = os_log_create("com.apple.spectacles", "SystemConfiguration");
51 }
52
53 return log;
54}
55
56#pragma mark -
57#pragma mark SystemConfiguratioin Network Event Factory
58
59@interface EventFactory ()
60@property NSDictionary<NSString *, SCLogParser *> *parserMap;
61@end
62
63@implementation EventFactory
64
65- (void)startWithLogSourceAttributes:(__unused NSDictionary<NSString *, NSObject *> *)attributes
66{
67 NSMutableDictionary<NSString *, SCLogParser *> *newParserMap = [[NSMutableDictionary alloc] init];
68 SCLogParser *parser;
69
70 parser = [[InterfaceNamerParser alloc] init];
71 newParserMap[parser.category] = parser;
72
73 parser = [[IPConfigurationParser alloc] init];
74 newParserMap[parser.category] = parser;
75
76 parser = [[IPMonitorParser alloc] init];
77 newParserMap[parser.category] = parser;
78
79 parser = [[KernelEventMonitorParser alloc] init];
80 newParserMap[parser.category] = parser;
81
82 parser = [[PreferencesMonitorParser alloc] init];
83 newParserMap[parser.category] = parser;
84
85 parser = [[StateDumpParser alloc] init];
86 newParserMap[parser.category] = parser;
87
88 _parserMap = [[NSDictionary alloc] initWithDictionary:newParserMap];
89}
90
91- (void)handleLogEvent:(EFLogEvent *)logEvent completionHandler:(void (^)(NSArray<EFEvent *> * _Nullable))completionHandler
92{
93 NSString *category = nil;
94 if ([logEvent.eventType isEqualToString:@"stateEvent"]) {
95 category = @"StateDump";
96 logEvent.subsystem = @"com.apple.SystemConfiguration";
97 logEvent.category = category;
98 } else if ([logEvent.subsystem isEqualToString:@"com.apple.IPConfiguration"]) {
99 logEvent.category = @"IPConfiguration";
100 }
101
102 if (logEvent.category.length == 0) {
103 specs_log_debug("Skipped message without a category: %@", logEvent.eventMessage);
104 completionHandler(nil);
105 return;
106 }
107
108 SCLogParser *parser = _parserMap[logEvent.category];
109 if (parser == nil) {
110 specs_log_debug("Skipped message with an unknown category (%@): %@", logEvent.category, logEvent.eventMessage);
111 completionHandler(nil);
112 return;
113 }
114
115 NSArray<EFEvent *> *completeEvents = [parser.eventParser parseLogEventIntoMultipleEvents:logEvent];
116 completionHandler(completeEvents);
117}
118
119- (void)finishWithCompletionHandler:(void (^)(NSArray<EFEvent *> * _Nullable))completionHandler
120{
121 specs_log_notice("Event factory is finishing");
122 completionHandler(nil);
123}
124
125@end
126
127