feat: sync httpdns sdk/platform updates without large binaries
This commit is contained in:
robin
559
HttpDNSSDK/sdk/ios/NewHttpDNS/Utils/HttpdnsReachability.m
Normal file
559
HttpDNSSDK/sdk/ios/NewHttpDNS/Utils/HttpdnsReachability.m
Normal file
@@ -0,0 +1,559 @@
|
||||
/*
|
||||
Copyright (c) 2011, Tony Million.
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice, this
|
||||
list of conditions and the following disclaimer.
|
||||
|
||||
2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#import "HttpdnsReachability.h"
|
||||
|
||||
#import <sys/socket.h>
|
||||
#import <netinet/in.h>
|
||||
#import <netinet6/in6.h>
|
||||
#import <arpa/inet.h>
|
||||
#import <ifaddrs.h>
|
||||
#import <netdb.h>
|
||||
#import <CoreTelephony/CTTelephonyNetworkInfo.h>
|
||||
|
||||
NSString *const kHttpdnsReachabilityChangedNotification = @"kHttpdnsReachabilityChangedNotification";
|
||||
|
||||
static CTTelephonyNetworkInfo *networkInfo;
|
||||
|
||||
@interface HttpdnsReachability ()
|
||||
|
||||
@property (nonatomic, assign) SCNetworkReachabilityRef reachabilityRef;
|
||||
@property (nonatomic, strong) dispatch_queue_t reachabilitySerialQueue;
|
||||
@property (nonatomic, strong) id reachabilityObject;
|
||||
|
||||
-(void)reachabilityChanged:(SCNetworkReachabilityFlags)flags;
|
||||
-(BOOL)isReachableWithFlags:(SCNetworkReachabilityFlags)flags;
|
||||
|
||||
@end
|
||||
|
||||
|
||||
static NSString *reachabilityFlags(SCNetworkReachabilityFlags flags)
|
||||
{
|
||||
return [NSString stringWithFormat:@"%c%c %c%c%c%c%c%c%c",
|
||||
#if TARGET_OS_IPHONE
|
||||
(flags & kSCNetworkReachabilityFlagsIsWWAN) ? 'W' : '-',
|
||||
#else
|
||||
'X',
|
||||
#endif
|
||||
(flags & kSCNetworkReachabilityFlagsReachable) ? 'R' : '-',
|
||||
(flags & kSCNetworkReachabilityFlagsConnectionRequired) ? 'c' : '-',
|
||||
(flags & kSCNetworkReachabilityFlagsTransientConnection) ? 't' : '-',
|
||||
(flags & kSCNetworkReachabilityFlagsInterventionRequired) ? 'i' : '-',
|
||||
(flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) ? 'C' : '-',
|
||||
(flags & kSCNetworkReachabilityFlagsConnectionOnDemand) ? 'D' : '-',
|
||||
(flags & kSCNetworkReachabilityFlagsIsLocalAddress) ? 'l' : '-',
|
||||
(flags & kSCNetworkReachabilityFlagsIsDirect) ? 'd' : '-'];
|
||||
}
|
||||
|
||||
// Start listening for reachability notifications on the current run loop
|
||||
static void TMReachabilityCallback(SCNetworkReachabilityRef target, SCNetworkReachabilityFlags flags, void* info)
|
||||
{
|
||||
#pragma unused (target)
|
||||
|
||||
HttpdnsReachability *reachability = ((__bridge HttpdnsReachability*)info);
|
||||
|
||||
// We probably don't need an autoreleasepool here, as GCD docs state each queue has its own autorelease pool,
|
||||
// but what the heck eh?
|
||||
@autoreleasepool
|
||||
{
|
||||
[reachability reachabilityChanged:flags];
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@implementation HttpdnsReachability
|
||||
|
||||
#pragma mark - Class Constructor Methods
|
||||
+(instancetype)sharedInstance
|
||||
{
|
||||
static HttpdnsReachability *instance;
|
||||
static dispatch_once_t onceToken;
|
||||
dispatch_once(&onceToken, ^{
|
||||
networkInfo = [[CTTelephonyNetworkInfo alloc] init];
|
||||
instance = [HttpdnsReachability reachabilityWithHostname:@"www.taobao.com"];
|
||||
});
|
||||
return instance;
|
||||
}
|
||||
|
||||
+(instancetype)reachabilityWithHostName:(NSString*)hostname
|
||||
{
|
||||
return [HttpdnsReachability reachabilityWithHostname:hostname];
|
||||
}
|
||||
|
||||
+(instancetype)reachabilityWithHostname:(NSString*)hostname
|
||||
{
|
||||
SCNetworkReachabilityRef ref = SCNetworkReachabilityCreateWithName(NULL, [hostname UTF8String]);
|
||||
if (ref)
|
||||
{
|
||||
id reachability = [[self alloc] initWithReachabilityRef:ref];
|
||||
return reachability;
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
|
||||
+(instancetype)reachabilityWithAddress:(void *)hostAddress
|
||||
{
|
||||
SCNetworkReachabilityRef ref = SCNetworkReachabilityCreateWithAddress(kCFAllocatorDefault, (const struct sockaddr*)hostAddress);
|
||||
if (ref)
|
||||
{
|
||||
id reachability = [[self alloc] initWithReachabilityRef:ref];
|
||||
|
||||
return reachability;
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
|
||||
+(instancetype)reachabilityForInternetConnection
|
||||
{
|
||||
struct sockaddr_in zeroAddress;
|
||||
bzero(&zeroAddress, sizeof(zeroAddress));
|
||||
zeroAddress.sin_len = sizeof(zeroAddress);
|
||||
zeroAddress.sin_family = AF_INET;
|
||||
|
||||
return [self reachabilityWithAddress:&zeroAddress];
|
||||
}
|
||||
|
||||
+(instancetype)reachabilityForLocalWiFi
|
||||
{
|
||||
struct sockaddr_in localWifiAddress;
|
||||
bzero(&localWifiAddress, sizeof(localWifiAddress));
|
||||
localWifiAddress.sin_len = sizeof(localWifiAddress);
|
||||
localWifiAddress.sin_family = AF_INET;
|
||||
// IN_LINKLOCALNETNUM is defined in <netinet/in.h> as 169.254.0.0
|
||||
localWifiAddress.sin_addr.s_addr = htonl(IN_LINKLOCALNETNUM);
|
||||
|
||||
return [self reachabilityWithAddress:&localWifiAddress];
|
||||
}
|
||||
|
||||
+(instancetype)reachabilityWithURL:(NSURL*)url
|
||||
{
|
||||
id reachability;
|
||||
|
||||
NSString *host = url.host;
|
||||
BOOL isIpAddress = [self isIpAddress:host];
|
||||
|
||||
if (isIpAddress)
|
||||
{
|
||||
NSNumber *port = url.port ?: [url.scheme isEqualToString:@"https"] ? @(443) : @(80);
|
||||
|
||||
struct sockaddr_in address;
|
||||
address.sin_len = sizeof(address);
|
||||
address.sin_family = AF_INET;
|
||||
address.sin_port = htons([port intValue]);
|
||||
address.sin_addr.s_addr = inet_addr([host UTF8String]);
|
||||
|
||||
reachability = [self reachabilityWithAddress:&address];
|
||||
}
|
||||
else
|
||||
{
|
||||
reachability = [self reachabilityWithHostname:host];
|
||||
}
|
||||
|
||||
return reachability;
|
||||
}
|
||||
|
||||
+(BOOL)isIpAddress:(NSString*)host
|
||||
{
|
||||
struct in_addr pin;
|
||||
return 1 == inet_aton([host UTF8String], &pin);
|
||||
}
|
||||
|
||||
|
||||
// Initialization methods
|
||||
|
||||
-(instancetype)initWithReachabilityRef:(SCNetworkReachabilityRef)ref
|
||||
{
|
||||
self = [super init];
|
||||
if (self != nil)
|
||||
{
|
||||
self.reachableOnWWAN = YES;
|
||||
self.reachabilityRef = ref;
|
||||
|
||||
// We need to create a serial queue.
|
||||
// We allocate this once for the lifetime of the notifier.
|
||||
|
||||
self.reachabilitySerialQueue = dispatch_queue_create("com.tonymillion.reachability", NULL);
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
-(void)dealloc
|
||||
{
|
||||
[self stopNotifier];
|
||||
|
||||
if(self.reachabilityRef)
|
||||
{
|
||||
CFRelease(self.reachabilityRef);
|
||||
self.reachabilityRef = nil;
|
||||
}
|
||||
|
||||
self.reachableBlock = nil;
|
||||
self.unreachableBlock = nil;
|
||||
self.reachabilityBlock = nil;
|
||||
self.reachabilitySerialQueue = nil;
|
||||
}
|
||||
|
||||
#pragma mark - Notifier Methods
|
||||
|
||||
// Notifier
|
||||
// NOTE: This uses GCD to trigger the blocks - they *WILL NOT* be called on THE MAIN THREAD
|
||||
// - In other words DO NOT DO ANY UI UPDATES IN THE BLOCKS.
|
||||
// INSTEAD USE dispatch_async(dispatch_get_main_queue(), ^{UISTUFF}) (or dispatch_sync if you want)
|
||||
|
||||
-(BOOL)startNotifier
|
||||
{
|
||||
// allow start notifier to be called multiple times
|
||||
if(self.reachabilityObject && (self.reachabilityObject == self))
|
||||
{
|
||||
return YES;
|
||||
}
|
||||
|
||||
|
||||
SCNetworkReachabilityContext context = { 0, NULL, NULL, NULL, NULL };
|
||||
context.info = (__bridge void *)self;
|
||||
|
||||
if(SCNetworkReachabilitySetCallback(self.reachabilityRef, TMReachabilityCallback, &context))
|
||||
{
|
||||
// Set it as our reachability queue, which will retain the queue
|
||||
if(SCNetworkReachabilitySetDispatchQueue(self.reachabilityRef, self.reachabilitySerialQueue))
|
||||
{
|
||||
// this should do a retain on ourself, so as long as we're in notifier mode we shouldn't disappear out from under ourselves
|
||||
// woah
|
||||
self.reachabilityObject = self;
|
||||
return YES;
|
||||
}
|
||||
else
|
||||
{
|
||||
#ifdef DEBUG
|
||||
NSLog(@"SCNetworkReachabilitySetDispatchQueue() failed: %s", SCErrorString(SCError()));
|
||||
#endif
|
||||
|
||||
// UH OH - FAILURE - stop any callbacks!
|
||||
SCNetworkReachabilitySetCallback(self.reachabilityRef, NULL, NULL);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#ifdef DEBUG
|
||||
NSLog(@"SCNetworkReachabilitySetCallback() failed: %s", SCErrorString(SCError()));
|
||||
#endif
|
||||
}
|
||||
|
||||
// if we get here we fail at the internet
|
||||
self.reachabilityObject = nil;
|
||||
return NO;
|
||||
}
|
||||
|
||||
-(void)stopNotifier
|
||||
{
|
||||
// First stop, any callbacks!
|
||||
SCNetworkReachabilitySetCallback(self.reachabilityRef, NULL, NULL);
|
||||
|
||||
// Unregister target from the GCD serial dispatch queue.
|
||||
SCNetworkReachabilitySetDispatchQueue(self.reachabilityRef, NULL);
|
||||
|
||||
self.reachabilityObject = nil;
|
||||
}
|
||||
|
||||
#pragma mark - reachability tests
|
||||
|
||||
// This is for the case where you flick the airplane mode;
|
||||
// you end up getting something like this:
|
||||
//Reachability: WR ct-----
|
||||
//Reachability: -- -------
|
||||
//Reachability: WR ct-----
|
||||
//Reachability: -- -------
|
||||
// We treat this as 4 UNREACHABLE triggers - really apple should do better than this
|
||||
|
||||
#define testcase (kSCNetworkReachabilityFlagsConnectionRequired | kSCNetworkReachabilityFlagsTransientConnection)
|
||||
|
||||
-(BOOL)isReachableWithFlags:(SCNetworkReachabilityFlags)flags
|
||||
{
|
||||
BOOL connectionUP = YES;
|
||||
|
||||
if(!(flags & kSCNetworkReachabilityFlagsReachable))
|
||||
connectionUP = NO;
|
||||
|
||||
if( (flags & testcase) == testcase )
|
||||
connectionUP = NO;
|
||||
|
||||
#if TARGET_OS_IPHONE
|
||||
if(flags & kSCNetworkReachabilityFlagsIsWWAN)
|
||||
{
|
||||
// We're on 3G.
|
||||
if(!self.reachableOnWWAN)
|
||||
{
|
||||
// We don't want to connect when on 3G.
|
||||
connectionUP = NO;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
return connectionUP;
|
||||
}
|
||||
|
||||
-(BOOL)isReachable
|
||||
{
|
||||
SCNetworkReachabilityFlags flags;
|
||||
|
||||
if(!SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
|
||||
return NO;
|
||||
|
||||
return [self isReachableWithFlags:flags];
|
||||
}
|
||||
|
||||
-(BOOL)isReachableViaWWAN
|
||||
{
|
||||
#if TARGET_OS_IPHONE
|
||||
SCNetworkReachabilityFlags flags = 0;
|
||||
|
||||
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
|
||||
{
|
||||
// Check we're REACHABLE
|
||||
if(flags & kSCNetworkReachabilityFlagsReachable)
|
||||
{
|
||||
// Now, check we're on WWAN
|
||||
if(flags & kSCNetworkReachabilityFlagsIsWWAN)
|
||||
{
|
||||
return YES;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
return NO;
|
||||
}
|
||||
|
||||
-(BOOL)isReachableViaWiFi
|
||||
{
|
||||
SCNetworkReachabilityFlags flags = 0;
|
||||
|
||||
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
|
||||
{
|
||||
// Check we're reachable
|
||||
if((flags & kSCNetworkReachabilityFlagsReachable))
|
||||
{
|
||||
#if TARGET_OS_IPHONE
|
||||
// Check we're NOT on WWAN
|
||||
if((flags & kSCNetworkReachabilityFlagsIsWWAN))
|
||||
{
|
||||
return NO;
|
||||
}
|
||||
#endif
|
||||
return YES;
|
||||
}
|
||||
}
|
||||
|
||||
return NO;
|
||||
}
|
||||
|
||||
|
||||
// WWAN may be available, but not active until a connection has been established.
|
||||
// WiFi may require a connection for VPN on Demand.
|
||||
-(BOOL)isConnectionRequired
|
||||
{
|
||||
return [self connectionRequired];
|
||||
}
|
||||
|
||||
-(BOOL)connectionRequired
|
||||
{
|
||||
SCNetworkReachabilityFlags flags;
|
||||
|
||||
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
|
||||
{
|
||||
return (flags & kSCNetworkReachabilityFlagsConnectionRequired);
|
||||
}
|
||||
|
||||
return NO;
|
||||
}
|
||||
|
||||
// Dynamic, on demand connection?
|
||||
-(BOOL)isConnectionOnDemand
|
||||
{
|
||||
SCNetworkReachabilityFlags flags;
|
||||
|
||||
if (SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
|
||||
{
|
||||
return ((flags & kSCNetworkReachabilityFlagsConnectionRequired) &&
|
||||
(flags & (kSCNetworkReachabilityFlagsConnectionOnTraffic | kSCNetworkReachabilityFlagsConnectionOnDemand)));
|
||||
}
|
||||
|
||||
return NO;
|
||||
}
|
||||
|
||||
// Is user intervention required?
|
||||
-(BOOL)isInterventionRequired
|
||||
{
|
||||
SCNetworkReachabilityFlags flags;
|
||||
|
||||
if (SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
|
||||
{
|
||||
return ((flags & kSCNetworkReachabilityFlagsConnectionRequired) &&
|
||||
(flags & kSCNetworkReachabilityFlagsInterventionRequired));
|
||||
}
|
||||
|
||||
return NO;
|
||||
}
|
||||
|
||||
|
||||
#pragma mark - reachability status stuff
|
||||
|
||||
-(HttpdnsNetworkStatus)currentReachabilityStatus
|
||||
{
|
||||
if([self isReachable])
|
||||
{
|
||||
if([self isReachableViaWiFi])
|
||||
{
|
||||
return HttpdnsReachableViaWiFi;
|
||||
}
|
||||
|
||||
#if TARGET_OS_IPHONE
|
||||
NSString *nettype = networkInfo.currentRadioAccessTechnology;
|
||||
if (nettype)
|
||||
{
|
||||
if ([CTRadioAccessTechnologyGPRS isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyEdge isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyCDMA1x isEqualToString:nettype])
|
||||
{
|
||||
return HttpdnsReachableVia2G;
|
||||
}
|
||||
else if ([CTRadioAccessTechnologyLTE isEqualToString:nettype])
|
||||
{
|
||||
return HttpdnsReachableVia4G;
|
||||
}
|
||||
else if ([CTRadioAccessTechnologyWCDMA isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyHSDPA isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyHSUPA isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyCDMAEVDORev0 isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyCDMAEVDORevA isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyCDMAEVDORevB isEqualToString:nettype] ||
|
||||
[CTRadioAccessTechnologyeHRPD isEqualToString:nettype])
|
||||
{
|
||||
return HttpdnsReachableVia3G;
|
||||
}
|
||||
else
|
||||
{
|
||||
return HttpdnsReachableVia5G;
|
||||
}
|
||||
}
|
||||
// 默认以使用最广泛<EFBFBD><EFBFBD>?G兜底
|
||||
return HttpdnsReachableVia4G;
|
||||
#endif
|
||||
}
|
||||
|
||||
return HttpdnsNotReachable;
|
||||
}
|
||||
|
||||
-(SCNetworkReachabilityFlags)reachabilityFlags
|
||||
{
|
||||
SCNetworkReachabilityFlags flags = 0;
|
||||
|
||||
if(SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags))
|
||||
{
|
||||
return flags;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
-(NSString*)currentReachabilityString
|
||||
{
|
||||
HttpdnsNetworkStatus temp = [self currentReachabilityStatus];
|
||||
|
||||
if(temp == HttpdnsReachableVia2G)
|
||||
{
|
||||
return NSLocalizedString(@"2G", @"");
|
||||
}
|
||||
if(temp == HttpdnsReachableVia3G)
|
||||
{
|
||||
return NSLocalizedString(@"3G", @"");
|
||||
}
|
||||
if(temp == HttpdnsReachableVia4G)
|
||||
{
|
||||
return NSLocalizedString(@"4G", @"");
|
||||
}
|
||||
if(temp == HttpdnsReachableVia5G)
|
||||
{
|
||||
return NSLocalizedString(@"5G", @"");
|
||||
}
|
||||
if (temp == HttpdnsReachableViaWiFi)
|
||||
{
|
||||
// 旧版本上报的wifi标识为全小写，要保持兼容
|
||||
return NSLocalizedString(@"wifi", @"");
|
||||
}
|
||||
return NSLocalizedString(@"unknown", @"");
|
||||
}
|
||||
|
||||
-(NSString*)currentReachabilityFlags
|
||||
{
|
||||
return reachabilityFlags([self reachabilityFlags]);
|
||||
}
|
||||
|
||||
#pragma mark - Callback function calls this method
|
||||
|
||||
-(void)reachabilityChanged:(SCNetworkReachabilityFlags)flags
|
||||
{
|
||||
if([self isReachableWithFlags:flags])
|
||||
{
|
||||
if(self.reachableBlock)
|
||||
{
|
||||
self.reachableBlock(self);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if(self.unreachableBlock)
|
||||
{
|
||||
self.unreachableBlock(self);
|
||||
}
|
||||
}
|
||||
|
||||
if(self.reachabilityBlock)
|
||||
{
|
||||
self.reachabilityBlock(self, flags);
|
||||
}
|
||||
|
||||
// this makes sure the change notification happens on the MAIN THREAD
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
[[NSNotificationCenter defaultCenter] postNotificationName:kHttpdnsReachabilityChangedNotification
|
||||
object:self];
|
||||
});
|
||||
}
|
||||
|
||||
#pragma mark - Debug Description
|
||||
|
||||
- (NSString *) description
|
||||
{
|
||||
NSString *description = [NSString stringWithFormat:@"<%@: %p (%@)>",
|
||||
NSStringFromClass([self class]), self, [self currentReachabilityFlags]];
|
||||
return description;
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user