IPConfigurationParser.m   [plain text]

/*
* Copyright (c) 2018 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/

#import <Foundation/Foundation.h>
#import <EventFactory/EventFactory.h>
#import "IPConfigurationParser.h"

#define TokenLinkStatus "linkStatus"
#define TokenSSID "ssid"
#define TokenMessage "message"
#define TokenAddress "address"
#define TokenComponentName "component"

@implementation IPConfigurationParser

- (instancetype)init
{
NSArray<EFLogEventMatch *> *matches = @[
[[EFLogEventMatch alloc] initWithPattern:@"(?<"TokenInterfaceName">\\w+) link (?<"TokenLinkStatus">ACTIVE|INACTIVE)"
newEventHandler:
^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
NSString *statusString = [logEvent substringForCaptureGroup:@TokenLinkStatus inMatchResult:matchResult];
EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
if ([statusString isEqualToString:@"ACTIVE"]) {
newEvent.link = @"link up";
} else {
newEvent.link = @"link down";
}
*isComplete = YES;
return newEvent;
}],
[[EFLogEventMatch alloc] initWithPattern:@"(?<"TokenInterfaceName">\\w+): SSID (?<"TokenSSID">\\S+) BSSID"
newEventHandler:
^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
NSString *ssid = [logEvent substringForCaptureGroup:@TokenSSID inMatchResult:matchResult];
EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
EFSubEvent *subEvent = [[EFSubEvent alloc] initWithTimestamp:logEvent.date textDescription:ssid];
[newEvent addSubEvent:subEvent];
*isComplete = YES;
return newEvent;
}],
[[EFLogEventMatch alloc] initWithPattern:@"\\[(?<"TokenComponentName">\\w+ )?(?<"TokenInterfaceName">\\w+)\\] (?<"TokenMessage">(?:Transmit|Receive) \\d+ byte packet xid \\w+ (?:to|from) .*)"
newEventHandler:
^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
NSString *message = [logEvent substringForCaptureGroup:@TokenMessage inMatchResult:matchResult];
NSString *component = [logEvent substringForCaptureGroup:@TokenComponentName inMatchResult:matchResult];
EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
NSString *description = [[NSString alloc] initWithFormat:@"%@ %@", component, message];
EFSubEvent *subEvent = [[EFSubEvent alloc] initWithTimestamp:logEvent.date textDescription:description];
[newEvent addSubEvent:subEvent];
*isComplete = YES;
return newEvent;
}],
[[EFLogEventMatch alloc] initWithPattern:@"\\w+ (?<"TokenInterfaceName">\\w+): setting (?<"TokenAddress">\\S+) netmask \\S+ broadcast \\S+"
newEventHandler:
^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
*isComplete = YES;
NSString *addressString = [logEvent substringForCaptureGroup:@TokenAddress inMatchResult:matchResult];
if (addressString.length > 0) {
EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
[self addAddress:addressString toInterfaceEvent:newEvent];
return newEvent;
}
return nil;
}],
[[EFLogEventMatch alloc] initWithPattern:@"\\w+ (?<"TokenInterfaceName">\\w+): removing (?<"TokenAddress">.+)"
newEventHandler:
^EFEvent *(NSTextCheckingResult *matchResult, EFLogEvent *logEvent, BOOL *isComplete) {
*isComplete = YES;
NSString *addressString = [logEvent substringForCaptureGroup:@TokenAddress inMatchResult:matchResult];
if (addressString.length > 0) {
EFNetworkControlPathEvent *newEvent = [self createInterfaceEventWithLogEvent:logEvent matchResult:matchResult];
if ([self removeAddress:addressString fromInterfaceEvent:newEvent]) {
return newEvent;
}
}
return nil;
}]
];

EFLogEventParser *parser = [[EFLogEventParser alloc] initWithMatches:matches];
return [super initWithCategory:@"IPConfiguration" eventParser:parser];
}

@end