更新EsptouchForIOS

2020-06-10 20:27:25 +08:00
parent 1f69653c19
commit b8d6ad08ea
42 changed files with 1625 additions and 853 deletions
@@ -0,0 +1,95 @@
+//
+//  ESP_WifiUtil.m
+//  EspTouchDemo
+//
+//  Created by fby on 6/15/16.
+//  Copyright © 2016 fby. All rights reserved.
+//
+
+#import "ESP_WifiUtil.h"
+
+#include <ifaddrs.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+
+#define IOS_CELLULAR    @"pdp_ip0"
+#define IOS_WIFI        @"en0"
+#define IOS_VPN         @"utun0"
+#define IP_ADDR_IPv4    @"ipv4"
+#define IP_ADDR_IPv6    @"ipv6"
+
+@implementation ESP_WifiUtil
+
+ (NSString *)getIPAddress:(BOOL)preferIPv4
+{
+    NSArray *searchArray = preferIPv4 ?
+    @[ IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6 ] :
+    @[ IOS_VPN @"/" IP_ADDR_IPv6, IOS_VPN @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4 ] ;
+    
+    NSDictionary *addresses = [self getIPAddresses];
+//    NSLog(@"addresses: %@", addresses);
+    
+    __block NSString *address;
+    [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop)
+     {
+         address = addresses[key];
+         if(address) *stop = YES;
+     } ];
+    return address ? address : @"0.0.0.0";
+}
+
+ (NSDictionary *)getIPAddresses
+{
+    NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];
+    
+    // retrieve the current interfaces - returns 0 on success
+    struct ifaddrs *interfaces;
+    if(!getifaddrs(&interfaces)) {
+        // Loop through linked list of interfaces
+        struct ifaddrs *interface;
+        for(interface=interfaces; interface; interface=interface->ifa_next) {
+            if(!(interface->ifa_flags & IFF_UP) /* || (interface->ifa_flags & IFF_LOOPBACK) */ ) {
+                continue; // deeply nested code harder to read
+            }
+            const struct sockaddr_in *addr = (const struct sockaddr_in*)interface->ifa_addr;
+            char addrBuf[ MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) ];
+            if(addr && (addr->sin_family==AF_INET || addr->sin_family==AF_INET6)) {
+                NSString *name = [NSString stringWithUTF8String:interface->ifa_name];
+                NSString *type;
+                if(addr->sin_family == AF_INET) {
+                    if(inet_ntop(AF_INET, &addr->sin_addr, addrBuf, INET_ADDRSTRLEN)) {
+                        type = IP_ADDR_IPv4;
+                    }
+                } else {
+                    const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)interface->ifa_addr;
+                    if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf, INET6_ADDRSTRLEN)) {
+                        type = IP_ADDR_IPv6;
+                    }
+                }
+                if(type) {
+                    NSString *key = [NSString stringWithFormat:@"%@/%@", name, type];
+                    addresses[key] = [NSString stringWithUTF8String:addrBuf];
+                }
+            }
+        }
+        // Free memory
+        freeifaddrs(interfaces);
+    }
+    return [addresses count] ? addresses : nil;
+}
+
+ (NSString *)getIPAddress4
+{
+    NSString *key = [NSString stringWithFormat:@"%@/%@",IOS_WIFI,IP_ADDR_IPv4];
+    NSString *ipv4 = [[self getIPAddresses]objectForKey:key];
+    return ipv4;
+}
+
+ (NSString *)getIpAddress6
+{
+    NSString *key = [NSString stringWithFormat:@"%@/%@",IOS_WIFI,IP_ADDR_IPv6];
+    NSString *ipv6 = [[self getIPAddresses]objectForKey:key];
+    return ipv6;
+}
+
+@end