[93] | 1 | //meta.c: |
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| 2 | |
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[690] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | * NOTE for everyone want's to change something and send patches: |
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| 24 | * read README and HACKING! There a addition information on |
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| 25 | * the license of this document you need to read before you send |
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| 26 | * any patches. |
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| 27 | * |
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| 28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 29 | * or libpulse*: |
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| 30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 31 | * and are therefore GPL. Because of this it may be illigal to use |
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| 32 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 33 | */ |
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| 34 | |
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[93] | 35 | #include "libroar.h" |
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| 36 | |
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[110] | 37 | /* |
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| 38 | |
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| 39 | grep ^'#define ROAR_META_TYPE_' meta.h | cut -d' ' -f2 | while read line; do printf ' {%-30s "%-16s},\n' $line, $(echo $line | cut -d_ -f4)\"; done |
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| 40 | |
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| 41 | */ |
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| 42 | |
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| 43 | struct { |
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| 44 | int id; |
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| 45 | char * name; |
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| 46 | } _libroar_meta_typelist[] = { |
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| 47 | {ROAR_META_TYPE_NONE, "NONE" }, |
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| 48 | {ROAR_META_TYPE_TITLE, "TITLE" }, |
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| 49 | {ROAR_META_TYPE_ALBUM, "ALBUM" }, |
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| 50 | {ROAR_META_TYPE_AUTOR, "AUTOR" }, |
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| 51 | {ROAR_META_TYPE_ARTIST, "ARTIST" }, |
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| 52 | {ROAR_META_TYPE_VERSION, "VERSION" }, |
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| 53 | {ROAR_META_TYPE_DATE, "DATE" }, |
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| 54 | {ROAR_META_TYPE_LICENSE, "LICENSE" }, |
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| 55 | {ROAR_META_TYPE_TRACKNUMBER, "TRACKNUMBER" }, |
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| 56 | {ROAR_META_TYPE_ORGANIZATION, "ORGANIZATION" }, |
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| 57 | {ROAR_META_TYPE_DESCRIPTION, "DESCRIPTION" }, |
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| 58 | {ROAR_META_TYPE_GENRE, "GENRE" }, |
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| 59 | {ROAR_META_TYPE_LOCATION, "LOCATION" }, |
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| 60 | {ROAR_META_TYPE_CONTACT, "CONTACT" }, |
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| 61 | {ROAR_META_TYPE_STREAMURL, "STREAMURL" }, |
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| 62 | {ROAR_META_TYPE_HOMEPAGE, "HOMEPAGE" }, |
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| 63 | {ROAR_META_TYPE_THUMBNAIL, "THUMBNAIL" }, |
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| 64 | {ROAR_META_TYPE_LENGTH, "LENGTH" }, |
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| 65 | {ROAR_META_TYPE_COMMENT, "COMMENT" }, |
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| 66 | {ROAR_META_TYPE_OTHER, "OTHER" }, |
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| 67 | {ROAR_META_TYPE_FILENAME, "FILENAME" }, |
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| 68 | {ROAR_META_TYPE_FILEURL, "FILEURL" }, |
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[123] | 69 | {ROAR_META_TYPE_SERVER, "SERVER" }, |
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[138] | 70 | {ROAR_META_TYPE_DURATION, "DURATION" }, |
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| 71 | {ROAR_META_TYPE_WWW, "WWW" }, |
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| 72 | {ROAR_META_TYPE_WOAF, "WOAF" }, |
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[141] | 73 | {ROAR_META_TYPE_ENCODER, "ENCODER" }, |
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[236] | 74 | {ROAR_META_TYPE_ENCODEDBY, "ENCODEDBY" }, |
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[877] | 75 | {ROAR_META_TYPE_YEAR, "YEAR" }, |
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[878] | 76 | {ROAR_META_TYPE_DISCID, "DISCID" }, |
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[877] | 77 | {ROAR_META_TYPE_RPG_TRACK_PEAK, "REPLAYGAIN_TRACK_PEAK" }, |
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| 78 | {ROAR_META_TYPE_RPG_TRACK_GAIN, "REPLAYGAIN_TRACK_GAIN" }, |
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| 79 | {ROAR_META_TYPE_RPG_ALBUM_PEAK, "REPLAYGAIN_ALBUM_PEAK" }, |
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| 80 | {ROAR_META_TYPE_RPG_ALBUM_GAIN, "REPLAYGAIN_ALBUM_GAIN" }, |
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[110] | 81 | |
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| 82 | {-1, "EOL"} |
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| 83 | }; |
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| 84 | |
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| 85 | char * roar_meta_strtype(int type) { |
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| 86 | int i; |
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[1068] | 87 | static char name[ROAR_META_MAX_NAMELEN]; |
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[110] | 88 | |
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| 89 | for (i = 0; _libroar_meta_typelist[i].id != -1; i++) |
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| 90 | if ( _libroar_meta_typelist[i].id == type ) { |
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[1068] | 91 | strncpy(name, _libroar_meta_typelist[i].name, ROAR_META_MAX_NAMELEN); |
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[110] | 92 | return name; |
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| 93 | } |
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| 94 | |
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| 95 | return NULL; |
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| 96 | } |
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| 97 | |
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| 98 | int roar_meta_inttype(char * type) { |
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| 99 | int i; |
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| 100 | |
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| 101 | for (i = 0; _libroar_meta_typelist[i].id != -1; i++) |
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| 102 | if ( strcasecmp(_libroar_meta_typelist[i].name, type) == 0 ) { |
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| 103 | return _libroar_meta_typelist[i].id; |
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| 104 | } |
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| 105 | |
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| 106 | return -1; |
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| 107 | } |
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| 108 | |
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[97] | 109 | int roar_stream_meta_set (struct roar_connection * con, struct roar_stream * s, int mode, struct roar_meta * meta) { |
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| 110 | struct roar_message m; |
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| 111 | int len; |
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| 112 | |
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[131] | 113 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 114 | |
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[97] | 115 | m.cmd = ROAR_CMD_SET_META; |
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| 116 | m.stream = s->id; |
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| 117 | // m.datalen = len; |
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| 118 | |
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[1129] | 119 | if ( (mode == ROAR_META_MODE_FINALIZE || mode == ROAR_META_MODE_CLEAR) && meta->value == NULL ) |
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| 120 | meta->value = ""; |
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| 121 | |
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| 122 | if ( meta->value == NULL ) |
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| 123 | return -1; |
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| 124 | |
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[97] | 125 | m.data[0] = 0; |
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| 126 | m.data[1] = mode; |
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| 127 | m.data[2] = meta->type; |
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| 128 | |
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| 129 | m.data[3] = strlen(meta->key); |
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| 130 | m.data[4] = len = strlen(meta->value); |
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| 131 | |
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| 132 | if ( len > 255 ) |
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| 133 | return -1; |
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| 134 | |
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[1037] | 135 | m.datalen = (int) 5 + (int) m.data[3] + len; |
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[97] | 136 | if ( m.datalen > LIBROAR_BUFFER_MSGDATA ) |
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| 137 | return -1; |
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| 138 | |
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| 139 | strncpy(&(m.data[5]), meta->key, ROAR_META_MAX_NAMELEN); |
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| 140 | strncpy(&(m.data[5+m.data[3]]), meta->value, len); |
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| 141 | |
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[1037] | 142 | ROAR_DBG("roar_stream_meta_set(*): meta value length is %i byte", len); |
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| 143 | ROAR_DBG("roar_stream_meta_set(*): message data length is %i byte", m.datalen); |
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| 144 | |
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[97] | 145 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 146 | return -1; |
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| 147 | |
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| 148 | if ( m.cmd == ROAR_CMD_OK ) |
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| 149 | return 0; |
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| 150 | return -1; |
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| 151 | } |
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| 152 | |
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[102] | 153 | int roar_stream_meta_get (struct roar_connection * con, struct roar_stream * s, struct roar_meta * meta) { |
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| 154 | struct roar_message m; |
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| 155 | char * c; |
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| 156 | |
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[108] | 157 | m.cmd = ROAR_CMD_GET_META; |
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[102] | 158 | m.stream = s->id; |
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| 159 | // m.datalen = len; |
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| 160 | |
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| 161 | m.data[0] = 0; |
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| 162 | m.data[1] = meta->type; |
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| 163 | m.datalen = 2; |
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| 164 | |
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[105] | 165 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 166 | return -1; |
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| 167 | |
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[102] | 168 | if ( m.cmd != ROAR_CMD_OK ) |
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| 169 | return -1; |
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| 170 | |
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| 171 | if ( m.datalen < 2 ) |
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| 172 | return -1; |
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| 173 | |
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| 174 | if ( m.data[0] != 0 ) |
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| 175 | return -1; |
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| 176 | |
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| 177 | if ( (c = malloc(((unsigned) m.data[1]) + 1)) == NULL ) |
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| 178 | return -1; |
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| 179 | |
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| 180 | strncpy(c, &(m.data[2]), (unsigned) m.data[1]); |
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| 181 | c[(unsigned) m.data[1]] = 0; |
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| 182 | |
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| 183 | meta->value = c; |
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| 184 | meta->key[0] = 0; |
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| 185 | |
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| 186 | return 0; |
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| 187 | } |
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| 188 | |
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[114] | 189 | int roar_stream_meta_list (struct roar_connection * con, struct roar_stream * s, int * types, size_t len) { |
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| 190 | int i; |
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| 191 | struct roar_message m; |
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| 192 | |
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| 193 | m.cmd = ROAR_CMD_LIST_META; |
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| 194 | m.stream = s->id; |
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| 195 | |
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| 196 | m.data[0] = 0; |
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| 197 | m.datalen = 1; |
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| 198 | |
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| 199 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 200 | return -1; |
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| 201 | |
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| 202 | if ( m.cmd != ROAR_CMD_OK ) |
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| 203 | return -1; |
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| 204 | |
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| 205 | if ( m.datalen < 1 ) |
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| 206 | return -1; |
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| 207 | |
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| 208 | if ( m.data[0] != 0 ) |
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| 209 | return -1; |
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| 210 | |
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| 211 | if ( len < (m.datalen - 1 ) ) |
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| 212 | return -1; |
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| 213 | |
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| 214 | for (i = 1; i < m.datalen; i++) |
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| 215 | types[i-1] = (unsigned) m.data[i]; |
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| 216 | |
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| 217 | return m.datalen - 1; |
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| 218 | } |
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| 219 | |
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[102] | 220 | int roar_meta_free (struct roar_meta * meta) { |
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| 221 | if ( meta->value ) |
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| 222 | free(meta->value); |
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| 223 | |
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| 224 | return 0; |
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| 225 | } |
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| 226 | |
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[93] | 227 | //ll |
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