Alexander Afanasyev | a98e69c | 2013-02-24 15:42:45 -0800 | [diff] [blame] | 1 | /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */ |
| 2 | /* |
| 3 | * Copyright (c) 2013 University of California, Los Angeles |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation; |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | * |
| 18 | * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu> |
| 19 | * Zhenkai Zhu <zhenkai@cs.ucla.edu> |
| 20 | */ |
| 21 | |
| 22 | #include "adhoc.h" |
| 23 | #include "config.h" |
| 24 | |
| 25 | #if (__APPLE__ && HAVE_COREWLAN) |
| 26 | |
| 27 | #include "logging.h" |
| 28 | #include <sstream> |
| 29 | |
| 30 | using namespace std; |
| 31 | |
| 32 | INIT_LOGGER ("Adhoc.OSX"); |
| 33 | |
| 34 | #import <CoreWLAN/CoreWLAN.h> |
| 35 | #import <CoreWLAN/CoreWLANConstants.h> |
| 36 | #import <CoreWLAN/CWInterface.h> |
| 37 | #import <CoreWLAN/CoreWLANTypes.h> |
| 38 | |
| 39 | bool |
| 40 | Adhoc::CreateAdhoc () |
| 41 | { |
| 42 | NSString *networkName = @"NDNdirect"; |
| 43 | NSNumber *channel = @11; |
| 44 | NSString *passphrase = @"NDNhello"; |
| 45 | NSString *securityMode = @"Open"; |
| 46 | |
| 47 | NSArray *airportInterfaces = [CWInterface supportedInterfaces]; |
| 48 | |
| 49 | //Choose the desired interface . the first one will be enought for this example |
| 50 | NSString *interfaceName =[airportInterfaces objectAtIndex:0]; |
| 51 | |
| 52 | CWInterface *airport = [CWInterface interfaceWithName:interfaceName]; |
| 53 | |
| 54 | NSString * _priorNetwork = airport.ssid; |
| 55 | _LOG_DEBUG ("Prior network: " << [_priorNetwork cStringUsingEncoding:NSASCIIStringEncoding]); |
| 56 | |
| 57 | _LOG_DEBUG ("Starting adhoc connection"); |
| 58 | |
| 59 | NSError *error = nil; |
| 60 | NSData* data = [networkName dataUsingEncoding:NSUTF8StringEncoding]; |
| 61 | BOOL created = [airport startIBSSModeWithSSID:data security:kCWIBSSModeSecurityNone channel:(NSUInteger)@11 password:passphrase error:&error]; |
| 62 | |
| 63 | if (!created) |
| 64 | { |
| 65 | return false; |
| 66 | } |
| 67 | |
| 68 | _LOG_DEBUG ("Creating face for the adhoc connection"); |
| 69 | |
| 70 | // should do a better job later, when Ccnx::Control will be implemented |
| 71 | |
| 72 | ostringstream cmd; |
| 73 | cmd << CCNX_PATH << "/bin/ccndc add / udp 169.254.255.255"; |
| 74 | int ret = system (cmd.str ().c_str ()); |
| 75 | if (ret == 0) |
| 76 | { |
| 77 | return true; |
| 78 | } |
| 79 | else |
| 80 | { |
| 81 | DestroyAdhoc (); |
| 82 | return false; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | void |
| 87 | Adhoc::DestroyAdhoc () |
| 88 | { |
| 89 | NSString *networkName = @"NDNdirect"; |
| 90 | NSNumber *channel = @11; |
| 91 | NSString *passphrase = @"NDNhello"; |
| 92 | NSString *securityMode = @"Open"; |
| 93 | |
| 94 | NSArray *airportInterfaces = [CWInterface supportedInterfaces]; |
| 95 | |
| 96 | //Choose the desired interface . the first one will be enought for this example |
| 97 | NSString *interfaceName =[airportInterfaces objectAtIndex:0]; |
| 98 | |
| 99 | CWInterface *airport = [CWInterface interfaceWithName:interfaceName]; |
| 100 | |
| 101 | [airport disassociate]; |
Alexander Afanasyev | 85a4ba0 | 2013-02-24 16:30:17 -0800 | [diff] [blame] | 102 | |
| 103 | NSError *err; |
| 104 | [airport setPower:NO error:&err]; |
| 105 | [airport setPower:YES error:&err]; |
| 106 | |
| 107 | // ok. this trick works. if just disassociate, then it will stay OFF |
| 108 | // setting power OFF/ON trick the system to reconnect to default WiFi |
Alexander Afanasyev | a98e69c | 2013-02-24 15:42:45 -0800 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | #endif // ADHOC_SUPPORTED |