EventFactory/IPConfigurationParser.m

   1 /*
   2  * Copyright (c) 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 #import <Foundation/Foundation.h>
  25 #import <EventFactory/EventFactory.h>
  26 #import "IPConfigurationParser.h"
  27
  28 #define TokenLinkStatus "linkStatus"
  29 #define TokenSSID "ssid"
  30 #define TokenMessage "message"
  31 #define TokenAddress "address"
  32 #define TokenComponentName "component"
  33
  34 @implementation IPConfigurationParser
  35
  36 - (instancetype)init
  37 {
  38         NSArray<EFLogEventMatch *> *matches = @[
  39                 [[EFLogEventMatch alloc] initWithPattern:@"(?<"TokenInterfaceName">\\w+) link (?<"TokenLinkStatus">ACTIVE|INACTIVE)"
  40                                          newEventHandler:
  41                  ^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
  42                          NSString *statusString = [logEvent substringForCaptureGroup:@TokenLinkStatus inMatchResult:matchResult];
  43                          EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
  44                          if ([statusString isEqualToString:@"ACTIVE"]) {
  45                                  newEvent.link = @"link up";
  46                          } else {
  47                                  newEvent.link = @"link down";
  48                          }
  49                          *isComplete = YES;
  50                          return newEvent;
  51                  }],
  52                 [[EFLogEventMatch alloc] initWithPattern:@"(?<"TokenInterfaceName">\\w+): SSID (?<"TokenSSID">\\S+) BSSID"
  53                                          newEventHandler:
  54                  ^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
  55                          NSString *ssid = [logEvent substringForCaptureGroup:@TokenSSID inMatchResult:matchResult];
  56                          EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
  57                          EFSubEvent *subEvent = [[EFSubEvent alloc] initWithTimestamp:logEvent.date textDescription:ssid];
  58                          [newEvent addSubEvent:subEvent];
  59                          *isComplete = YES;
  60                          return newEvent;
  61                  }],
  62                 [[EFLogEventMatch alloc] initWithPattern:@"\\[(?<"TokenComponentName">\\w+ )?(?<"TokenInterfaceName">\\w+)\\] (?<"TokenMessage">(?:Transmit|Receive) \\d+ byte packet xid \\w+ (?:to|from) .*)"
  63                                          newEventHandler:
  64                  ^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
  65                          NSString *message = [logEvent substringForCaptureGroup:@TokenMessage inMatchResult:matchResult];
  66                          NSString *component = [logEvent substringForCaptureGroup:@TokenComponentName inMatchResult:matchResult];
  67                          EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
  68                          NSString *description = [[NSString alloc] initWithFormat:@"%@ %@", component, message];
  69                          EFSubEvent *subEvent = [[EFSubEvent alloc] initWithTimestamp:logEvent.date textDescription:description];
  70                          [newEvent addSubEvent:subEvent];
  71                          *isComplete = YES;
  72                          return newEvent;
  73                  }],
  74                 [[EFLogEventMatch alloc] initWithPattern:@"\\w+ (?<"TokenInterfaceName">\\w+): setting (?<"TokenAddress">\\S+) netmask \\S+ broadcast \\S+"
  75                                          newEventHandler:
  76                  ^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
  77                          *isComplete = YES;
  78                          NSString *addressString = [logEvent substringForCaptureGroup:@TokenAddress inMatchResult:matchResult];
  79                          if (addressString.length > 0) {
  80                                  EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
  81                                  [self addAddress:addressString toInterfaceEvent:newEvent];
  82                                  return newEvent;
  83                          }
  84                          return nil;
  85                  }],
  86                 [[EFLogEventMatch alloc] initWithPattern:@"\\w+ (?<"TokenInterfaceName">\\w+): removing (?<"TokenAddress">.+)"
  87                                          newEventHandler:
  88                  ^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
  89                          *isComplete = YES;
  90                          NSString *addressString = [logEvent substringForCaptureGroup:@TokenAddress inMatchResult:matchResult];
  91                          if (addressString.length > 0) {
  92                                  EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
  93                                  if ([self removeAddress:addressString fromInterfaceEvent:newEvent]) {
  94                                          return newEvent;
  95                                  }
  96                          }
  97                          return nil;
  98                  }]
  99         ];
 100
 101         EFLogEventParser *parser = [[EFLogEventParser alloc] initWithMatches:matches];
 102         return [super initWithCategory:@"IPConfiguration" eventParser:parser];
 103 }
 104
 105 @end