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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#import "ControllerView.h"
#include <ifaddrs.h>
#include <arpa/inet.h>
#include <net/if.h>
@implementation ControllerView
- (void)viewDidLoad
{
[super viewDidLoad];
//
// Load the controller bundle.
//
NSString* bundlePath = [[NSBundle mainBundle] privateFrameworksPath];
#ifdef ICE_CPP11_MAPPING
const char* bundle = "Cpp11ControllerBundle.bundle";
#else
const char* bundle = "Cpp98ControllerBundle.bundle";
#endif
bundlePath = [bundlePath stringByAppendingPathComponent:[NSString stringWithUTF8String:bundle]];
NSURL* bundleURL = [NSURL fileURLWithPath:bundlePath];
CFBundleRef handle = CFBundleCreate(NULL, (CFURLRef)bundleURL);
if(!handle)
{
[self println:[NSString stringWithFormat:@"Could not find bundle %@", bundlePath]];
return;
}
CFErrorRef error = nil;
Boolean loaded = CFBundleLoadExecutableAndReturnError(handle, &error);
if(error != nil || !loaded)
{
[self println:[(__bridge NSError *)error description]];
return;
}
startController = CFBundleGetFunctionPointerForName(handle, CFSTR("startController"));
if(startController == 0)
{
NSString* err = [NSString stringWithFormat:@"Could not get function pointer startController from bundle %@",
bundlePath];
[self println:err];
return;
}
stopController = CFBundleGetFunctionPointerForName(handle, CFSTR("stopController"));
if(stopController == 0)
{
NSString* err = [NSString stringWithFormat:@"Could not get function pointer stopController from bundle %@",
bundlePath];
[self println:err];
return;
}
//
// Search for local network interfaces
//
interfacesIPv4 = [NSMutableArray array];
[interfacesIPv4 addObject:@"127.0.0.1"];
interfacesIPv6 = [NSMutableArray array];
[interfacesIPv6 addObject:@"::1"];
struct ifaddrs* ifap;
if(getifaddrs(&ifap) == 0)
{
struct ifaddrs* curr = ifap;
while(curr != 0)
{
if(curr->ifa_addr && curr->ifa_flags & IFF_UP && !(curr->ifa_flags & IFF_LOOPBACK))
{
if(curr->ifa_addr->sa_family == AF_INET)
{
char buf[INET_ADDRSTRLEN];
const struct sockaddr_in *addr = (const struct sockaddr_in*)curr->ifa_addr;
if(inet_ntop(AF_INET, &addr->sin_addr, buf, INET_ADDRSTRLEN))
{
[interfacesIPv4 addObject:[NSString stringWithUTF8String:buf]];
}
}
else if(curr->ifa_addr->sa_family == AF_INET6)
{
char buf[INET6_ADDRSTRLEN];
const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)curr->ifa_addr;
if(inet_ntop(AF_INET6, &addr6->sin6_addr, buf, INET6_ADDRSTRLEN))
{
[interfacesIPv6 addObject:[NSString stringWithUTF8String:buf]];
}
}
}
curr = curr->ifa_next;
}
freeifaddrs(ifap);
}
// By default, use the loopback
[interfaceIPv4 selectRow:0 inComponent:0 animated:NO];
[interfaceIPv6 selectRow:0 inComponent:0 animated:NO];
(*startController)(self,
[interfacesIPv4 objectAtIndex:[interfaceIPv4 selectedRowInComponent:0]],
[interfacesIPv6 objectAtIndex:[interfaceIPv6 selectedRowInComponent:0]]);
}
- (void) dealloc
{
(*stopController)(self);
}
-(void) write:(NSString*)msg
{
[output insertText:msg];
[output layoutIfNeeded];
[output scrollRangeToVisible:NSMakeRange([output.text length] - 1, 1)];
}
#pragma mark ControllerView
-(void) print:(NSString*)msg
{
[self performSelectorOnMainThread:@selector(write:) withObject:msg waitUntilDone:NO];
}
-(void) println:(NSString*)msg
{
[self print:[msg stringByAppendingString:@"\n"]];
}
#pragma mark UIPickerViewDelegate
- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
if(pickerView == interfaceIPv4)
{
return [interfacesIPv4 objectAtIndex:row];
}
else
{
return [interfacesIPv6 objectAtIndex:row];
}
}
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
(*stopController)(self);
(*startController)(self,
[interfacesIPv4 objectAtIndex:[interfaceIPv4 selectedRowInComponent:0]],
[interfacesIPv6 objectAtIndex:[interfaceIPv6 selectedRowInComponent:0]]);
}
#pragma mark UIPickerViewDataSource
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
return 1;
}
- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
if(pickerView == interfaceIPv4)
{
return interfacesIPv4.count;
}
else
{
return interfacesIPv6.count;
}
}
@end
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