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23e7e3ae JVH |
1 | /** |
2 | * Copyright (C) 2011-2012 Juho Vähä-Herttua | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * This library 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 GNU | |
12 | * Lesser General Public License for more details. | |
13 | */ | |
14 | ||
2340bcd3 JVH |
15 | #include <stdlib.h> |
16 | ||
17 | #include "dnssd.h" | |
18 | #include "dnssdint.h" | |
19 | #include "global.h" | |
20 | #include "utils.h" | |
21 | ||
22 | #import <Foundation/Foundation.h> | |
23 | ||
24 | #define MAX_SERVNAME 256 | |
25 | ||
26 | struct dnssd_s { | |
2340bcd3 JVH |
27 | NSNetService *raopService; |
28 | NSNetService *airplayService; | |
29 | }; | |
30 | ||
31 | dnssd_t * | |
067f00ef | 32 | dnssd_init(int *error) |
2340bcd3 JVH |
33 | { |
34 | dnssd_t *dnssd; | |
35 | ||
36 | if (error) *error = DNSSD_ERROR_NOERROR; | |
2340bcd3 JVH |
37 | |
38 | dnssd = calloc(1, sizeof(dnssd_t)); | |
39 | if (!dnssd) { | |
40 | if (error) *error = DNSSD_ERROR_OUTOFMEM; | |
41 | return NULL; | |
42 | } | |
2340bcd3 JVH |
43 | return dnssd; |
44 | } | |
45 | ||
46 | void | |
47 | dnssd_destroy(dnssd_t *dnssd) | |
48 | { | |
49 | free(dnssd); | |
50 | } | |
51 | ||
52 | int | |
e4169f77 | 53 | dnssd_register_raop(dnssd_t *dnssd, const char *name, unsigned short port, const char *hwaddr, int hwaddrlen, int password) |
2340bcd3 JVH |
54 | { |
55 | char hwaddrstr[MAX_SERVNAME]; | |
56 | NSString *serviceString; | |
57 | NSMutableDictionary *txtDict; | |
58 | NSData *txtData; | |
59 | int ret; | |
60 | ||
61 | assert(dnssd); | |
62 | ||
63 | if (dnssd->raopService != nil) { | |
64 | return -1; | |
65 | } | |
66 | ||
67 | /* Convert the hardware address to string */ | |
067f00ef | 68 | ret = utils_hwaddr_raop(hwaddrstr, sizeof(hwaddrstr), hwaddr, hwaddrlen); |
2340bcd3 JVH |
69 | if (ret < 0) { |
70 | return -2; | |
71 | } | |
72 | serviceString = [NSString stringWithFormat:@"%s@%s", hwaddrstr, name]; | |
73 | ||
74 | txtDict = [NSMutableDictionary dictionaryWithCapacity:0]; | |
75 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_TXTVERS] forKey:@"txtvers"]; | |
76 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_CH] forKey:@"ch"]; | |
77 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_CN] forKey:@"cn"]; | |
78 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_ET] forKey:@"et"]; | |
79 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_SV] forKey:@"sv"]; | |
80 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_DA] forKey:@"da"]; | |
81 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_SR] forKey:@"sr"]; | |
82 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_SS] forKey:@"ss"]; | |
e4169f77 JVH |
83 | if (password) { |
84 | [txtDict setValue:@"true" forKey:@"pw"]; | |
85 | } else { | |
86 | [txtDict setValue:@"false" forKey:@"pw"]; | |
87 | } | |
2340bcd3 JVH |
88 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_VN] forKey:@"vn"]; |
89 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_TP] forKey:@"tp"]; | |
90 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_MD] forKey:@"md"]; | |
91 | [txtDict setValue:[NSString stringWithUTF8String:GLOBAL_VERSION] forKey:@"vs"]; | |
92 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_AM] forKey:@"am"]; | |
93 | [txtDict setValue:[NSString stringWithUTF8String:RAOP_SF] forKey:@"sf"]; | |
94 | txtData = [NSNetService dataFromTXTRecordDictionary:txtDict]; | |
95 | ||
96 | /* Create the service and publish it */ | |
97 | dnssd->raopService = [[NSNetService alloc] initWithDomain:@"" | |
98 | type:@"_raop._tcp" | |
99 | name:serviceString | |
100 | port:port]; | |
101 | [dnssd->raopService setTXTRecordData:txtData]; | |
102 | [dnssd->raopService publish]; | |
103 | return 1; | |
104 | } | |
105 | ||
106 | int | |
067f00ef | 107 | dnssd_register_airplay(dnssd_t *dnssd, const char *name, unsigned short port, const char *hwaddr, int hwaddrlen) |
2340bcd3 JVH |
108 | { |
109 | NSMutableDictionary *txtDict; | |
110 | NSData *txtData; | |
111 | char deviceid[3*MAX_HWADDR_LEN]; | |
112 | char features[16]; | |
113 | int ret; | |
114 | ||
115 | assert(dnssd); | |
116 | ||
117 | if (dnssd->airplayService != nil) { | |
118 | return -1; | |
119 | } | |
120 | ||
121 | /* Convert hardware address to string */ | |
067f00ef | 122 | ret = utils_hwaddr_airplay(deviceid, sizeof(deviceid), hwaddr, hwaddrlen); |
2340bcd3 JVH |
123 | if (ret < 0) { |
124 | return -2; | |
125 | } | |
126 | ||
127 | memset(features, 0, sizeof(features)); | |
128 | snprintf(features, sizeof(features)-1, "0x%x", GLOBAL_FEATURES); | |
129 | ||
130 | txtDict = [NSMutableDictionary dictionaryWithCapacity:0]; | |
131 | [txtDict setValue:[NSString stringWithUTF8String:deviceid] forKey:@"deviceid"]; | |
132 | [txtDict setValue:[NSString stringWithUTF8String:features] forKey:@"features"]; | |
133 | [txtDict setValue:[NSString stringWithUTF8String:GLOBAL_MODEL] forKey:@"model"]; | |
134 | txtData = [NSNetService dataFromTXTRecordDictionary:txtDict]; | |
135 | ||
136 | /* Create the service and publish it */ | |
137 | dnssd->airplayService = [[NSNetService alloc] initWithDomain:@"" | |
138 | type:@"_airplay._tcp" | |
139 | name:[NSString stringWithUTF8String:name] | |
140 | port:port]; | |
141 | [dnssd->airplayService setTXTRecordData:txtData]; | |
142 | [dnssd->airplayService publish]; | |
143 | return 1; | |
144 | } | |
145 | ||
146 | void | |
147 | dnssd_unregister_raop(dnssd_t *dnssd) | |
148 | { | |
149 | assert(dnssd); | |
150 | ||
151 | if (dnssd->raopService == nil) { | |
152 | return; | |
153 | } | |
154 | ||
155 | [dnssd->raopService stop]; | |
156 | [dnssd->raopService release]; | |
157 | dnssd->raopService = nil; | |
158 | } | |
159 | ||
160 | void | |
161 | dnssd_unregister_airplay(dnssd_t *dnssd) | |
162 | { | |
163 | assert(dnssd); | |
164 | ||
165 | if (dnssd->airplayService == nil) { | |
166 | return; | |
167 | } | |
168 | ||
169 | [dnssd->airplayService stop]; | |
170 | [dnssd->airplayService release]; | |
171 | dnssd->airplayService = nil; | |
172 | } |