57 lines
1.6 KiB
Objective-C
57 lines
1.6 KiB
Objective-C
//
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// WireGuardGoWrapper.m
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// WireGuardNetworkExtension
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//
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// Created by Jeroen Leenarts on 21-06-18.
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// Copyright © 2018 Wireguard. All rights reserved.
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//
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#import "WireGuardGoWrapper.h"
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#include "wireguard.h"
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/// Trampoline function
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static ssize_t do_read(const void *ctx, const unsigned char *buf, size_t len);
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/// Trampoline function
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static ssize_t do_write(const void *ctx, const unsigned char *buf, size_t len);
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@interface WireGuardGoWrapper ()
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@property (nonatomic, assign) int handle;
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@property (nonatomic, assign) BOOL isClosed;
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@end
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@implementation WireGuardGoWrapper
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- (void) turnOnWithInterfaceName: (NSString *)interfaceName settingsString: (NSString *)settingsString
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{
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const char * ifName = [interfaceName UTF8String];
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const char * settings = [settingsString UTF8String];
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self.handle = wgTurnOn((gostring_t){ .p = ifName, .n = interfaceName.length }, (gostring_t){ .p = settings, .n = settingsString.length }, do_read, do_write, (__bridge void *)(self));
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}
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- (void) turnOff
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{
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self.isClosed = YES;
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wgTurnOff(self.handle);
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}
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@end
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static ssize_t do_read(const void *ctx, const unsigned char *buf, size_t len)
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{
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WireGuardGoWrapper *wrapper = (__bridge WireGuardGoWrapper *)ctx;
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printf("Reading from instance with ctx %p into buffer %p of length %zu\n", ctx, buf, len);
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sleep(1);
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return wrapper.isClosed ? -1 : 0;
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}
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static ssize_t do_write(const void *ctx, const unsigned char *buf, size_t len)
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{
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WireGuardGoWrapper *wrapper = (__bridge WireGuardGoWrapper *)ctx;
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printf("Writing from instance with ctx %p into buffer %p of length %zu\n", ctx, buf, len);
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return len;
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}
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