[0] | 1 | //basic.c: |
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| 2 | |
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[690] | 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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[690] | 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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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[690] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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[0] | 36 | #include "libroar.h" |
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| 37 | |
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| 38 | int roar_connect_raw (char * server) { |
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[4806] | 39 | return roar_connect_raw2(server, 0, 0); |
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| 40 | } |
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| 41 | |
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| 42 | int roar_connect_raw2 (char * server, int flags, uint_least32_t timeout) { |
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[4780] | 43 | #ifdef ROAR_HAVE_LIBSLP |
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[4653] | 44 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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[4780] | 45 | #endif |
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[0] | 46 | char user_sock[80]; |
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| 47 | char * roar_server; |
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[701] | 48 | int i = 0; |
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[0] | 49 | int port = 0; |
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| 50 | int fh = -1; |
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[501] | 51 | int is_decnet = 0; |
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[516] | 52 | char * obj = NULL; |
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[1475] | 53 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
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[1026] | 54 | struct passwd * pwd; |
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[1393] | 55 | #endif |
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[828] | 56 | #ifdef ROAR_HAVE_LIBDNET |
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| 57 | struct stat decnet_stat; |
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| 58 | #endif |
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[3372] | 59 | #ifdef ROAR_HAVE_LIBX11 |
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| 60 | struct roar_x11_connection * x11con; |
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| 61 | #endif |
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[4806] | 62 | struct roar_server * list; |
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| 63 | int workarounds_store; |
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[0] | 64 | |
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[807] | 65 | roar_errno = ROAR_ERROR_UNKNOWN; |
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| 66 | |
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[4806] | 67 | if ( timeout != 0 ) { |
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| 68 | roar_errno = ROAR_ERROR_INVAL; |
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| 69 | return -1; |
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| 70 | } |
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| 71 | |
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| 72 | if ( flags & ROAR_ENUM_FLAG_HARDNONBLOCK ) |
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| 73 | flags |= ROAR_ENUM_FLAG_NONBLOCK; |
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| 74 | |
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| 75 | |
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[2567] | 76 | if ( server == NULL ) |
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| 77 | server = roar_libroar_get_server(); |
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| 78 | |
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[61] | 79 | if ( server == NULL && (roar_server = getenv("ROAR_SERVER")) != NULL ) |
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[0] | 80 | server = roar_server; |
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| 81 | |
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[3372] | 82 | #ifdef ROAR_HAVE_LIBX11 |
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| 83 | if ( server == NULL ) { |
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| 84 | if ( (x11con = roar_x11_connect(NULL)) != NULL ) { |
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| 85 | server = roar_x11_get_prop(x11con, "ROAR_SERVER"); |
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| 86 | roar_x11_disconnect(x11con); |
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| 87 | } |
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| 88 | } |
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| 89 | #endif |
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| 90 | |
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[1436] | 91 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
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[448] | 92 | if ( server == NULL && (i = readlink("/etc/roarserver", user_sock, 79)) != -1 ) { |
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| 93 | user_sock[i] = 0; |
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| 94 | server = user_sock; |
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| 95 | } |
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[1093] | 96 | #endif |
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[448] | 97 | |
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[3077] | 98 | if ( server != NULL && !strcasecmp(server, "+slp") ) { |
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[3076] | 99 | server = roar_slp_find_roard(0); |
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| 100 | if ( server == NULL ) { |
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| 101 | return -1; |
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| 102 | } |
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| 103 | } |
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| 104 | |
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[61] | 105 | if ( server == NULL || *server == 0 ) { |
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[0] | 106 | /* connect via defaults */ |
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| 107 | |
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[1764] | 108 | #ifdef ROAR_HAVE_UNIX |
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[1436] | 109 | #ifndef ROAR_TARGET_MICROCONTROLLER |
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[1026] | 110 | roar_server = getenv("HOME"); |
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[1435] | 111 | #else |
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| 112 | roar_server = NULL; |
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| 113 | #endif |
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[1026] | 114 | |
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| 115 | if ( roar_server == NULL ) { |
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[1436] | 116 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
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[1026] | 117 | if ( (pwd = getpwuid(getuid())) == NULL ) { |
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| 118 | roar_server = "/NX-HOME-DIR"; |
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| 119 | } else { |
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| 120 | roar_server = pwd->pw_dir; |
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| 121 | } |
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[1078] | 122 | #else |
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| 123 | roar_server = "/WIN32-SUCKS"; |
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| 124 | #endif |
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[1026] | 125 | } |
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| 126 | |
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| 127 | snprintf(user_sock, 79, "%s/%s", roar_server, ROAR_DEFAULT_SOCK_USER); |
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[0] | 128 | |
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| 129 | if ( (fh = roar_socket_connect(user_sock, 0)) != -1 ) |
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| 130 | return fh; |
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| 131 | |
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[237] | 132 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_SOCK_GLOBAL, 0)) != -1 ) |
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| 133 | return fh; |
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[1764] | 134 | #endif |
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[237] | 135 | |
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[0] | 136 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_HOST, ROAR_DEFAULT_PORT)) != -1 ) |
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| 137 | return fh; |
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| 138 | |
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[828] | 139 | #ifdef ROAR_HAVE_LIBDNET |
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| 140 | if ( stat(ROAR_PROC_NET_DECNET, &decnet_stat) == 0 ) { |
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| 141 | if ( roar_socket_get_local_nodename() ) { |
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| 142 | snprintf(user_sock, 79, "%s::%s", roar_socket_get_local_nodename(), ROAR_DEFAULT_OBJECT); |
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[2010] | 143 | if ( (fh = roar_socket_connect(user_sock, ROAR_DEFAULT_NUM)) != -1 ) |
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| 144 | return fh; |
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[828] | 145 | } |
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[522] | 146 | } |
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[828] | 147 | #endif |
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[2007] | 148 | |
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[4109] | 149 | if ( (fh = roar_socket_connect("+abstract", 0)) != -1 ) |
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| 150 | return fh; |
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| 151 | |
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[2007] | 152 | #ifdef ROAR_HAVE_LIBSLP |
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[4806] | 153 | if ( !(config->workaround.workarounds & ROAR_LIBROAR_CONFIG_WAS_NO_SLP) && |
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| 154 | !(flags & ROAR_ENUM_FLAG_NONBLOCK) |
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| 155 | ) { |
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| 156 | if ( (server = roar_slp_find_roard(0)) != NULL ) { |
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[4653] | 157 | if ( (fh = roar_connect_raw(server)) != -1 ) |
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| 158 | return fh; |
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[2014] | 159 | |
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[4806] | 160 | /* in case we can not connect to the server given this may be a cache problem, |
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| 161 | we do a new lookup with the cache disabled in this case */ |
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| 162 | ROAR_WARN("roar_connect_raw(*): Can not connect to SLP located server, disabling cache"); |
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| 163 | if ( (server = roar_slp_find_roard(1)) != NULL ) |
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| 164 | if ( (fh = roar_connect_raw(server)) != -1 ) |
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| 165 | return fh; |
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| 166 | } |
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| 167 | } |
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| 168 | |
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| 169 | workarounds_store = config->workaround.workarounds; |
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| 170 | config->workaround.workarounds |= ROAR_LIBROAR_CONFIG_WAS_NO_SLP; |
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| 171 | list = roar_enum_servers(flags, -1, -1); |
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| 172 | config->workaround.workarounds = workarounds_store; |
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| 173 | if ( list != NULL ) { |
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| 174 | for (i = 0; list[i].server != NULL; i++) { |
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| 175 | if ( (fh = roar_connect_raw((char*)list[i].server)) != -1 ) { |
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| 176 | roar_enum_servers_free(list); |
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[4653] | 177 | return fh; |
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[4806] | 178 | } |
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| 179 | } |
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| 180 | roar_enum_servers_free(list); |
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[4653] | 181 | } |
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[2007] | 182 | #endif |
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[522] | 183 | |
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[2014] | 184 | return -1; |
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| 185 | |
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[0] | 186 | } else { |
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| 187 | /* connect via (char*)server */ |
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[501] | 188 | // find a port: |
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| 189 | if ( *server != '/' ) { // don't test AF_UNIX sockets for ports |
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| 190 | for (i = 0; server[i] != 0; i++) { |
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| 191 | if ( server[i] == ':' ) { |
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| 192 | if ( server[i+1] == ':' ) { // DECnet, leave unchanged |
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| 193 | is_decnet = 1; |
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[516] | 194 | obj = &server[i+2]; |
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[501] | 195 | break; |
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| 196 | } |
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| 197 | |
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| 198 | port = atoi(server+i+1); |
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| 199 | server[i] = 0; |
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| 200 | break; |
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| 201 | } |
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[0] | 202 | } |
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| 203 | } |
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| 204 | |
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[521] | 205 | if ( is_decnet ) { |
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| 206 | *user_sock = 0; |
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| 207 | if ( *server == ':' ) { |
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| 208 | if ( roar_socket_get_local_nodename() ) |
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[1066] | 209 | strncat(user_sock, roar_socket_get_local_nodename(), 6); |
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[521] | 210 | } |
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| 211 | |
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[1066] | 212 | strncat(user_sock, server, 79); |
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[516] | 213 | server = user_sock; |
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[521] | 214 | if ( *obj == 0 ) { |
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[1066] | 215 | #ifdef DN_MAXOBJL |
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| 216 | strncat(user_sock, ROAR_DEFAULT_OBJECT, DN_MAXOBJL+2); |
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| 217 | #else |
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| 218 | ROAR_ERR("roar_connect_raw(*): size of DECnet object unknown."); |
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| 219 | #endif |
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[521] | 220 | } |
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[516] | 221 | } |
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| 222 | |
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[501] | 223 | if ( port || is_decnet ) { |
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[0] | 224 | fh = roar_socket_connect(server, port); |
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| 225 | // restore the original string |
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| 226 | server[i] = ':'; |
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| 227 | } else { |
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| 228 | fh = roar_socket_connect(server, ROAR_DEFAULT_PORT); |
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| 229 | } |
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| 230 | } |
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| 231 | |
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[807] | 232 | if ( fh == -1 ) |
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| 233 | roar_errno = ROAR_ERROR_CONNREFUSED; |
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| 234 | |
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[0] | 235 | ROAR_DBG("roar_connect_raw(*) = %i", fh); |
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| 236 | |
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| 237 | return fh; |
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| 238 | } |
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| 239 | |
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| 240 | int roar_connect (struct roar_connection * con, char * server) { |
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[4806] | 241 | return roar_connect2(con, server, 0, 0); |
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| 242 | } |
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| 243 | |
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| 244 | int roar_connect2 (struct roar_connection * con, char * server, int flags, uint_least32_t timeout) { |
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[1315] | 245 | int fh; |
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| 246 | |
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| 247 | if ( con == NULL ) { |
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| 248 | roar_errno = ROAR_ERROR_INVAL; |
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| 249 | return -1; |
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| 250 | } |
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| 251 | |
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[807] | 252 | roar_errno = ROAR_ERROR_UNKNOWN; |
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[4806] | 253 | fh = roar_connect_raw2(server, flags, timeout); |
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[0] | 254 | |
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[1315] | 255 | if ( fh == -1 ) |
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[0] | 256 | return -1; |
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| 257 | |
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[1315] | 258 | return roar_connect_fh(con, fh); |
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| 259 | } |
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| 260 | |
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| 261 | int roar_connect_fh (struct roar_connection * con, int fh) { |
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| 262 | |
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| 263 | if ( con == NULL || fh == -1 ) { |
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| 264 | roar_errno = ROAR_ERROR_INVAL; |
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| 265 | return -1; |
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| 266 | } |
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| 267 | |
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| 268 | // specal hack to set an ilegal value used internaly in libroar: |
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| 269 | if ( fh == -2 ) |
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| 270 | fh = -1; |
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| 271 | |
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| 272 | memset(con, 0, sizeof(struct roar_connection)); |
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| 273 | |
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[3869] | 274 | con->flags = ROAR_CON_FLAGS_FH; |
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| 275 | con->__fh = fh; |
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| 276 | |
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| 277 | if ( roar_vio_open_fh_socket(&(con->viocon), fh) != -1 ) |
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| 278 | con->flags |= ROAR_CON_FLAGS_VIO; |
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[1315] | 279 | |
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[807] | 280 | roar_errno = ROAR_ERROR_NONE; |
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[0] | 281 | return 0; |
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| 282 | } |
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| 283 | |
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[1660] | 284 | int roar_get_connection_fh (struct roar_connection * con) { |
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[3869] | 285 | roar_debug_warn_sysio("roar_get_connection_fh", "roar_get_connection_vio2", NULL); |
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[2809] | 286 | |
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[2043] | 287 | if ( con == NULL ) |
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| 288 | return -1; |
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| 289 | |
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[3869] | 290 | if ( !(con->flags & ROAR_CON_FLAGS_FH) ) |
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| 291 | return -1; |
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| 292 | |
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[1660] | 293 | return con->__fh; |
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| 294 | } |
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| 295 | |
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[2043] | 296 | int roar_get_connection_vio (struct roar_connection * con, struct roar_vio_calls * vio) { |
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[3869] | 297 | roar_debug_warn_obsolete("roar_get_connection_vio", "roar_get_connection_vio2", NULL); |
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| 298 | |
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[2043] | 299 | if ( con == NULL || vio == NULL ) |
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| 300 | return -1; |
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| 301 | |
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[3869] | 302 | if ( !(con->flags & ROAR_CON_FLAGS_FH) ) |
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| 303 | return -1; |
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| 304 | |
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[2809] | 305 | return roar_vio_open_fh_socket(vio, con->__fh); |
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[2043] | 306 | } |
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| 307 | |
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[3869] | 308 | struct roar_vio_calls * roar_get_connection_vio2 (struct roar_connection * con) { |
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| 309 | if ( con == NULL ) |
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| 310 | return NULL; |
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| 311 | |
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| 312 | if ( con->flags & ROAR_CON_FLAGS_VIO ) |
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| 313 | return &(con->viocon); |
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| 314 | |
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| 315 | // TODO: try to open the VIO. |
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| 316 | |
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| 317 | return NULL; |
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| 318 | } |
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| 319 | |
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[0] | 320 | int roar_disconnect (struct roar_connection * con) { |
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[3869] | 321 | struct roar_vio_calls * vio; |
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[0] | 322 | struct roar_message m; |
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| 323 | |
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[3875] | 324 | memset(&m, 0, sizeof(m)); |
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| 325 | |
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[0] | 326 | m.datalen = 0; |
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| 327 | m.stream = 0; |
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[133] | 328 | m.pos = 0; |
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[0] | 329 | m.cmd = ROAR_CMD_QUIT; |
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| 330 | |
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| 331 | roar_req(con, &m, NULL); |
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| 332 | |
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[3869] | 333 | if ( (vio = roar_get_connection_vio2(con)) != NULL ) { |
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| 334 | roar_vio_close(vio); |
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[2809] | 335 | } |
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[0] | 336 | |
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[1660] | 337 | roar_connect_fh(con, -2); |
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[0] | 338 | |
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[807] | 339 | roar_errno = ROAR_ERROR_NONE; |
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| 340 | |
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[0] | 341 | return 0; |
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| 342 | } |
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| 343 | |
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[3913] | 344 | int roar_set_connection_callback(struct roar_connection * con, |
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| 345 | void (*cb)(struct roar_connection * con, |
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| 346 | struct roar_message * mes, |
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| 347 | void * userdata), |
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| 348 | void * userdata) { |
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| 349 | if ( con == NULL ) |
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| 350 | return -1; |
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| 351 | |
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| 352 | con->cb = cb; |
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| 353 | con->userdata = userdata; |
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| 354 | |
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| 355 | return 0; |
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| 356 | } |
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| 357 | |
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[3914] | 358 | int roar_sync (struct roar_connection * con) { |
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| 359 | // wait for any non-client reqs |
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| 360 | return roar_wait_msg(con, 0x0000, 0x8000); |
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| 361 | } |
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| 362 | |
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| 363 | int roar_wait_msg (struct roar_connection * con, int16_t seq, int16_t seqmask) { |
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| 364 | return -1; |
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| 365 | } |
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[3913] | 366 | |
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[3836] | 367 | int roar_noop (struct roar_connection * con) { |
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| 368 | struct roar_message mes; |
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| 369 | |
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| 370 | if ( con == NULL ) { |
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| 371 | return -1; |
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| 372 | } |
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| 373 | |
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| 374 | memset(&mes, 0, sizeof(mes)); |
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| 375 | |
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| 376 | mes.cmd = ROAR_CMD_NOOP; |
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| 377 | |
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| 378 | return roar_req(con, &mes, NULL); |
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| 379 | } |
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| 380 | |
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[0] | 381 | int roar_identify (struct roar_connection * con, char * name) { |
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| 382 | struct roar_message mes; |
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| 383 | pid_t pid; |
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| 384 | int max_len; |
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| 385 | |
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[807] | 386 | roar_errno = ROAR_ERROR_UNKNOWN; |
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| 387 | |
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[0] | 388 | ROAR_DBG("roar_identify(*): try to identify myself..."); |
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| 389 | |
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[3875] | 390 | memset(&mes, 0, sizeof(mes)); |
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| 391 | |
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[0] | 392 | mes.cmd = ROAR_CMD_IDENTIFY; |
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| 393 | mes.stream = 0; |
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| 394 | mes.pos = 0; |
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| 395 | |
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| 396 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 397 | |
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| 398 | if ( name == NULL ) |
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| 399 | name = "libroar client"; |
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| 400 | |
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| 401 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 402 | |
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| 403 | max_len = strlen(name); |
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| 404 | ROAR_DBG("roar_identify(*): strlen(name) = %i", max_len); |
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| 405 | |
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| 406 | if ( max_len > (LIBROAR_BUFFER_MSGDATA - 5) ) |
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| 407 | max_len = LIBROAR_BUFFER_MSGDATA - 5; |
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| 408 | |
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| 409 | mes.datalen = 5 + max_len; |
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| 410 | mes.data[0] = 1; |
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| 411 | |
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| 412 | pid = getpid(); |
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| 413 | *(uint32_t*)(mes.data+1) = ROAR_HOST2NET32(pid); |
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| 414 | ROAR_DBG("roar_identify(*): pid = %i", pid); |
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| 415 | |
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| 416 | strncpy(mes.data+5, name, max_len); |
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| 417 | |
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| 418 | return roar_req(con, &mes, NULL); |
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| 419 | } |
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| 420 | |
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| 421 | int roar_debug_message_print (struct roar_message * mes) { |
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| 422 | if ( mes == NULL ) |
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| 423 | return -1; |
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| 424 | |
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| 425 | ROAR_DBG("roar_debug_message_print(*): Command: %i", mes->cmd); |
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| 426 | ROAR_DBG("roar_debug_message_print(*): Stream : %u", mes->stream); |
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| 427 | ROAR_DBG("roar_debug_message_print(*): Pos : %u", mes->pos); |
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| 428 | ROAR_DBG("roar_debug_message_print(*): Datalen: %i", mes->datalen); |
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| 429 | |
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| 430 | ROAR_DBG("roar_debug_message_print(*) = 0"); |
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| 431 | return 0; |
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| 432 | } |
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| 433 | |
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| 434 | int roar_debug_audio_info_print (struct roar_audio_info * info) { |
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| 435 | if ( info == NULL ) |
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| 436 | return -1; |
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| 437 | |
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| 438 | ROAR_DBG("roar_debug_audio_info_print(*): Rate : %i", info->rate); |
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| 439 | ROAR_DBG("roar_debug_audio_info_print(*): Channels: %i", info->channels); |
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| 440 | ROAR_DBG("roar_debug_audio_info_print(*): Bits : %i", info->bits); |
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| 441 | ROAR_DBG("roar_debug_audio_info_print(*): Codec : %i", info->codec); |
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| 442 | |
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| 443 | ROAR_DBG("roar_debug_audio_info_print(*) = 0"); |
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| 444 | return 0; |
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| 445 | } |
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| 446 | |
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| 447 | //ll |
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