[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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[5237] | 38 | int roar_connect_raw (const char * server, int flags, uint_least32_t timeout) { |
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[4780] | 39 | #ifdef ROAR_HAVE_LIBSLP |
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[4653] | 40 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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[4780] | 41 | #endif |
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[5114] | 42 | char user_sock[128]; |
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[0] | 43 | char * roar_server; |
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[701] | 44 | int i = 0; |
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[0] | 45 | int port = 0; |
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| 46 | int fh = -1; |
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[501] | 47 | int is_decnet = 0; |
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[5114] | 48 | const char * obj = NULL; |
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[1475] | 49 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
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[1026] | 50 | struct passwd * pwd; |
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[1393] | 51 | #endif |
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[828] | 52 | #ifdef ROAR_HAVE_LIBDNET |
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| 53 | struct stat decnet_stat; |
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| 54 | #endif |
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[3372] | 55 | #ifdef ROAR_HAVE_LIBX11 |
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| 56 | struct roar_x11_connection * x11con; |
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| 57 | #endif |
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[4945] | 58 | #ifdef ROAR_HAVE_LIBSLP |
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[4806] | 59 | struct roar_server * list; |
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| 60 | int workarounds_store; |
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[4945] | 61 | #endif |
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[5267] | 62 | #if defined(ROAR_HAVE_STAT) && defined(ROAR_HAVE_H_SYS_STAT) |
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| 63 | struct stat sockstat; |
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| 64 | #endif |
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[0] | 65 | |
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[4873] | 66 | roar_err_set(ROAR_ERROR_UNKNOWN); |
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[807] | 67 | |
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[4806] | 68 | if ( timeout != 0 ) { |
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[4873] | 69 | roar_err_set(ROAR_ERROR_INVAL); |
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[4806] | 70 | return -1; |
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| 71 | } |
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| 72 | |
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| 73 | if ( flags & ROAR_ENUM_FLAG_HARDNONBLOCK ) |
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| 74 | flags |= ROAR_ENUM_FLAG_NONBLOCK; |
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| 75 | |
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| 76 | |
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[2567] | 77 | if ( server == NULL ) |
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| 78 | server = roar_libroar_get_server(); |
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| 79 | |
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[61] | 80 | if ( server == NULL && (roar_server = getenv("ROAR_SERVER")) != NULL ) |
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[0] | 81 | server = roar_server; |
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| 82 | |
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[3372] | 83 | #ifdef ROAR_HAVE_LIBX11 |
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| 84 | if ( server == NULL ) { |
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| 85 | if ( (x11con = roar_x11_connect(NULL)) != NULL ) { |
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| 86 | server = roar_x11_get_prop(x11con, "ROAR_SERVER"); |
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| 87 | roar_x11_disconnect(x11con); |
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| 88 | } |
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| 89 | } |
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| 90 | #endif |
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| 91 | |
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[1436] | 92 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
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[5114] | 93 | if ( server == NULL && (i = readlink("/etc/roarserver", user_sock, sizeof(user_sock)-1)) != -1 ) { |
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[448] | 94 | user_sock[i] = 0; |
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| 95 | server = user_sock; |
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| 96 | } |
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[1093] | 97 | #endif |
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[448] | 98 | |
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[3077] | 99 | if ( server != NULL && !strcasecmp(server, "+slp") ) { |
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[3076] | 100 | server = roar_slp_find_roard(0); |
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| 101 | if ( server == NULL ) { |
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| 102 | return -1; |
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| 103 | } |
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| 104 | } |
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| 105 | |
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[61] | 106 | if ( server == NULL || *server == 0 ) { |
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[0] | 107 | /* connect via defaults */ |
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| 108 | |
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[1764] | 109 | #ifdef ROAR_HAVE_UNIX |
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[1436] | 110 | #ifndef ROAR_TARGET_MICROCONTROLLER |
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[1026] | 111 | roar_server = getenv("HOME"); |
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[1435] | 112 | #else |
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| 113 | roar_server = NULL; |
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| 114 | #endif |
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[1026] | 115 | |
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| 116 | if ( roar_server == NULL ) { |
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[1436] | 117 | #if !defined(ROAR_TARGET_WIN32) && !defined(ROAR_TARGET_MICROCONTROLLER) |
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[1026] | 118 | if ( (pwd = getpwuid(getuid())) == NULL ) { |
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| 119 | roar_server = "/NX-HOME-DIR"; |
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| 120 | } else { |
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| 121 | roar_server = pwd->pw_dir; |
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| 122 | } |
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[1078] | 123 | #else |
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| 124 | roar_server = "/WIN32-SUCKS"; |
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| 125 | #endif |
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[1026] | 126 | } |
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| 127 | |
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[5114] | 128 | snprintf(user_sock, sizeof(user_sock)-1, "%s/%s", roar_server, ROAR_DEFAULT_SOCK_USER); |
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| 129 | user_sock[sizeof(user_sock)-1] = 0; |
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[0] | 130 | |
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| 131 | if ( (fh = roar_socket_connect(user_sock, 0)) != -1 ) |
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| 132 | return fh; |
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| 133 | |
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[237] | 134 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_SOCK_GLOBAL, 0)) != -1 ) |
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| 135 | return fh; |
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[1764] | 136 | #endif |
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[237] | 137 | |
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[0] | 138 | if ( (fh = roar_socket_connect(ROAR_DEFAULT_HOST, ROAR_DEFAULT_PORT)) != -1 ) |
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| 139 | return fh; |
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| 140 | |
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[828] | 141 | #ifdef ROAR_HAVE_LIBDNET |
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| 142 | if ( stat(ROAR_PROC_NET_DECNET, &decnet_stat) == 0 ) { |
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| 143 | if ( roar_socket_get_local_nodename() ) { |
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| 144 | snprintf(user_sock, 79, "%s::%s", roar_socket_get_local_nodename(), ROAR_DEFAULT_OBJECT); |
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[2010] | 145 | if ( (fh = roar_socket_connect(user_sock, ROAR_DEFAULT_NUM)) != -1 ) |
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| 146 | return fh; |
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[828] | 147 | } |
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[522] | 148 | } |
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[828] | 149 | #endif |
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[2007] | 150 | |
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[4109] | 151 | if ( (fh = roar_socket_connect("+abstract", 0)) != -1 ) |
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| 152 | return fh; |
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| 153 | |
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[2007] | 154 | #ifdef ROAR_HAVE_LIBSLP |
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[4806] | 155 | if ( !(config->workaround.workarounds & ROAR_LIBROAR_CONFIG_WAS_NO_SLP) && |
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| 156 | !(flags & ROAR_ENUM_FLAG_NONBLOCK) |
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| 157 | ) { |
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| 158 | if ( (server = roar_slp_find_roard(0)) != NULL ) { |
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[5237] | 159 | if ( (fh = roar_connect_raw(server, 0, 0)) != -1 ) |
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[4653] | 160 | return fh; |
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[2014] | 161 | |
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[4806] | 162 | /* in case we can not connect to the server given this may be a cache problem, |
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| 163 | we do a new lookup with the cache disabled in this case */ |
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[5237] | 164 | ROAR_WARN("roar_connect_raw(*): Can not connect to SLP located server, disabling cache"); |
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[4806] | 165 | if ( (server = roar_slp_find_roard(1)) != NULL ) |
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[5237] | 166 | if ( (fh = roar_connect_raw(server, 0, 0)) != -1 ) |
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[4806] | 167 | return fh; |
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| 168 | } |
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| 169 | } |
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| 170 | |
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| 171 | workarounds_store = config->workaround.workarounds; |
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| 172 | config->workaround.workarounds |= ROAR_LIBROAR_CONFIG_WAS_NO_SLP; |
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| 173 | list = roar_enum_servers(flags, -1, -1); |
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| 174 | config->workaround.workarounds = workarounds_store; |
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| 175 | if ( list != NULL ) { |
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| 176 | for (i = 0; list[i].server != NULL; i++) { |
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[5237] | 177 | if ( (fh = roar_connect_raw((char*)list[i].server, 0, 0)) != -1 ) { |
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[4806] | 178 | roar_enum_servers_free(list); |
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[4653] | 179 | return fh; |
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[4806] | 180 | } |
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| 181 | } |
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| 182 | roar_enum_servers_free(list); |
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[4653] | 183 | } |
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[2007] | 184 | #endif |
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[522] | 185 | |
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[2014] | 186 | return -1; |
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| 187 | |
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[0] | 188 | } else { |
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| 189 | /* connect via (char*)server */ |
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[501] | 190 | // find a port: |
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[5114] | 191 | |
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[5185] | 192 | if ( !strcmp(server, "+invalid") ) { |
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| 193 | roar_err_set(ROAR_ERROR_CANCELED); |
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| 194 | return -1; |
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| 195 | } |
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| 196 | |
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[5120] | 197 | strncpy(user_sock, server, sizeof(user_sock)-1); |
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[5114] | 198 | user_sock[sizeof(user_sock)-1] = 0; |
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| 199 | |
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| 200 | if ( *user_sock != '/' ) { // don't test AF_UNIX sockets for ports |
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| 201 | for (i = 0; user_sock[i] != 0; i++) { |
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| 202 | if ( user_sock[i] == ':' ) { |
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| 203 | if ( user_sock[i+1] == ':' ) { // DECnet, leave unchanged |
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[501] | 204 | is_decnet = 1; |
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[5114] | 205 | obj = &user_sock[i+2]; |
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[501] | 206 | break; |
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| 207 | } |
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| 208 | |
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[5114] | 209 | port = atoi(&(user_sock[i+1])); |
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| 210 | user_sock[i] = 0; |
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[501] | 211 | break; |
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| 212 | } |
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[0] | 213 | } |
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| 214 | } |
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| 215 | |
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[521] | 216 | if ( is_decnet ) { |
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[5114] | 217 | if ( *user_sock == ':' ) { |
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[5120] | 218 | if ( roar_socket_get_local_nodename() != NULL ) { |
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| 219 | strncpy(user_sock, roar_socket_get_local_nodename(), sizeof(user_sock)-1); |
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[5114] | 220 | user_sock[sizeof(user_sock)-1] = 0; |
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[5120] | 221 | roar_mm_strlcat(user_sock, server, sizeof(user_sock)-1); |
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| 222 | user_sock[sizeof(user_sock)-1] = 0; |
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| 223 | obj = strstr(user_sock, "::"); |
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| 224 | obj += 2; |
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| 225 | } |
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[521] | 226 | } |
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| 227 | |
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| 228 | if ( *obj == 0 ) { |
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[1066] | 229 | #ifdef DN_MAXOBJL |
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[5114] | 230 | roar_mm_strlcat(user_sock, ROAR_DEFAULT_OBJECT, sizeof(user_sock)-1); |
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| 231 | user_sock[sizeof(user_sock)-1] = 0; |
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[1066] | 232 | #else |
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[5237] | 233 | ROAR_ERR("roar_connect_raw(*): size of DECnet object unknown."); |
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[1066] | 234 | #endif |
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[521] | 235 | } |
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[5237] | 236 | ROAR_DBG("roar_connect_raw(*): user_sock='%s'", user_sock); |
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[516] | 237 | } |
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| 238 | |
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[501] | 239 | if ( port || is_decnet ) { |
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[5114] | 240 | fh = roar_socket_connect(user_sock, port); |
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[0] | 241 | // restore the original string |
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[5114] | 242 | user_sock[i] = ':'; |
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[0] | 243 | } else { |
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[5267] | 244 | #if defined(ROAR_HAVE_STAT) && defined(ROAR_HAVE_H_SYS_STAT) |
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| 245 | if ( user_sock[0] == '/' ) { |
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| 246 | if ( stat(user_sock, &sockstat) == 0 ) { |
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| 247 | if ( S_ISCHR(sockstat.st_mode) ) { |
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| 248 | return open(user_sock, O_RDWR|O_NOCTTY, 0666); |
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| 249 | } |
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| 250 | } |
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| 251 | } |
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| 252 | #endif |
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[5114] | 253 | fh = roar_socket_connect(user_sock, ROAR_DEFAULT_PORT); |
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[0] | 254 | } |
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| 255 | } |
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| 256 | |
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[5237] | 257 | ROAR_DBG("roar_connect_raw(*) = %i", fh); |
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[0] | 258 | |
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| 259 | return fh; |
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| 260 | } |
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| 261 | |
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[5237] | 262 | int roar_connect (struct roar_connection * con, const char * server, int flags, uint_least32_t timeout) { |
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[1315] | 263 | int fh; |
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| 264 | |
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| 265 | if ( con == NULL ) { |
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[4873] | 266 | roar_err_set(ROAR_ERROR_FAULT); |
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[1315] | 267 | return -1; |
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| 268 | } |
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| 269 | |
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[4873] | 270 | roar_err_set(ROAR_ERROR_UNKNOWN); |
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[5237] | 271 | fh = roar_connect_raw(server, flags, timeout); |
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[0] | 272 | |
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[1315] | 273 | if ( fh == -1 ) |
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[0] | 274 | return -1; |
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| 275 | |
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[1315] | 276 | return roar_connect_fh(con, fh); |
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| 277 | } |
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| 278 | |
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| 279 | int roar_connect_fh (struct roar_connection * con, int fh) { |
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| 280 | |
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| 281 | if ( con == NULL || fh == -1 ) { |
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[4873] | 282 | roar_err_set(ROAR_ERROR_INVAL); |
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[1315] | 283 | return -1; |
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| 284 | } |
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| 285 | |
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| 286 | // specal hack to set an ilegal value used internaly in libroar: |
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| 287 | if ( fh == -2 ) |
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| 288 | fh = -1; |
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| 289 | |
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| 290 | memset(con, 0, sizeof(struct roar_connection)); |
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[5232] | 291 | con->refc = 0; |
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| 292 | con->flags = ROAR_CON_FLAGS_NONE; |
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| 293 | con->version = 0; |
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| 294 | con->cb_userdata = NULL; |
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| 295 | con->cb = NULL; |
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| 296 | |
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| 297 | roar_err_init(&(con->errorframe)); |
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[1315] | 298 | |
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[5231] | 299 | if ( roar_vio_open_fh_socket(&(con->viocon), fh) != -1 ) { |
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[3869] | 300 | con->flags |= ROAR_CON_FLAGS_VIO; |
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[5231] | 301 | } |
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[1315] | 302 | |
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[4873] | 303 | roar_err_set(ROAR_ERROR_NONE); |
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[0] | 304 | return 0; |
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| 305 | } |
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| 306 | |
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[1660] | 307 | int roar_get_connection_fh (struct roar_connection * con) { |
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[5231] | 308 | int fh; |
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| 309 | |
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| 310 | ROAR_DBG("roar_get_connection_fh(con=%p) = ?", con); |
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| 311 | |
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[3869] | 312 | roar_debug_warn_sysio("roar_get_connection_fh", "roar_get_connection_vio2", NULL); |
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[2809] | 313 | |
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[2043] | 314 | if ( con == NULL ) |
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| 315 | return -1; |
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| 316 | |
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[5231] | 317 | ROAR_DBG("roar_get_connection_fh(con=%p) = ?", con); |
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| 318 | |
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| 319 | if ( roar_vio_ctl(&(con->viocon), ROAR_VIO_CTL_GET_FH, &fh) == -1 ) |
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[3869] | 320 | return -1; |
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| 321 | |
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[5231] | 322 | ROAR_DBG("roar_get_connection_fh(con=%p) = %i", con, fh); |
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[3869] | 323 | |
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[5231] | 324 | return fh; |
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[2043] | 325 | } |
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| 326 | |
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[3869] | 327 | struct roar_vio_calls * roar_get_connection_vio2 (struct roar_connection * con) { |
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| 328 | if ( con == NULL ) |
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| 329 | return NULL; |
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| 330 | |
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| 331 | if ( con->flags & ROAR_CON_FLAGS_VIO ) |
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| 332 | return &(con->viocon); |
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| 333 | |
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| 334 | // TODO: try to open the VIO. |
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| 335 | |
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| 336 | return NULL; |
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| 337 | } |
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| 338 | |
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[0] | 339 | int roar_disconnect (struct roar_connection * con) { |
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[3869] | 340 | struct roar_vio_calls * vio; |
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[0] | 341 | struct roar_message m; |
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| 342 | |
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[3875] | 343 | memset(&m, 0, sizeof(m)); |
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| 344 | |
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[5144] | 345 | m.datalen = 0; |
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| 346 | m.stream = -1; |
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| 347 | m.pos = 0; |
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[0] | 348 | m.cmd = ROAR_CMD_QUIT; |
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| 349 | |
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| 350 | roar_req(con, &m, NULL); |
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| 351 | |
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[3869] | 352 | if ( (vio = roar_get_connection_vio2(con)) != NULL ) { |
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| 353 | roar_vio_close(vio); |
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[2809] | 354 | } |
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[0] | 355 | |
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[1660] | 356 | roar_connect_fh(con, -2); |
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[0] | 357 | |
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[4873] | 358 | roar_err_set(ROAR_ERROR_NONE); |
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[807] | 359 | |
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[0] | 360 | return 0; |
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| 361 | } |
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| 362 | |
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[3913] | 363 | int roar_set_connection_callback(struct roar_connection * con, |
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| 364 | void (*cb)(struct roar_connection * con, |
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| 365 | struct roar_message * mes, |
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[5231] | 366 | void * data, |
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[3913] | 367 | void * userdata), |
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| 368 | void * userdata) { |
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| 369 | if ( con == NULL ) |
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| 370 | return -1; |
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| 371 | |
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| 372 | con->cb = cb; |
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[5231] | 373 | con->cb_userdata = userdata; |
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[3913] | 374 | |
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| 375 | return 0; |
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| 376 | } |
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| 377 | |
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[3914] | 378 | int roar_sync (struct roar_connection * con) { |
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| 379 | // wait for any non-client reqs |
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| 380 | return roar_wait_msg(con, 0x0000, 0x8000); |
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| 381 | } |
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| 382 | |
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| 383 | int roar_wait_msg (struct roar_connection * con, int16_t seq, int16_t seqmask) { |
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[5148] | 384 | roar_err_set(ROAR_ERROR_NOSYS); |
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[3914] | 385 | return -1; |
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| 386 | } |
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[3913] | 387 | |
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[3836] | 388 | int roar_noop (struct roar_connection * con) { |
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| 389 | struct roar_message mes; |
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| 390 | |
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| 391 | if ( con == NULL ) { |
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[5148] | 392 | roar_err_set(ROAR_ERROR_FAULT); |
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[3836] | 393 | return -1; |
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| 394 | } |
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| 395 | |
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| 396 | memset(&mes, 0, sizeof(mes)); |
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| 397 | |
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| 398 | mes.cmd = ROAR_CMD_NOOP; |
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[5144] | 399 | mes.stream = -1; |
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[3836] | 400 | |
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[5146] | 401 | return roar_req3(con, &mes, NULL); |
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[3836] | 402 | } |
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| 403 | |
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[5114] | 404 | int roar_identify (struct roar_connection * con, const char * name) { |
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[0] | 405 | struct roar_message mes; |
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[5132] | 406 | uint32_t pid; |
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[0] | 407 | int max_len; |
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| 408 | |
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[4873] | 409 | roar_err_set(ROAR_ERROR_UNKNOWN); |
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[807] | 410 | |
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[0] | 411 | ROAR_DBG("roar_identify(*): try to identify myself..."); |
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| 412 | |
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[3875] | 413 | memset(&mes, 0, sizeof(mes)); |
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| 414 | |
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[0] | 415 | mes.cmd = ROAR_CMD_IDENTIFY; |
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[5144] | 416 | mes.stream = -1; |
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| 417 | mes.pos = 0; |
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[0] | 418 | |
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| 419 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 420 | |
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| 421 | if ( name == NULL ) |
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| 422 | name = "libroar client"; |
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| 423 | |
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| 424 | ROAR_DBG("roar_identify(*): name=%p", name); |
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| 425 | |
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[5114] | 426 | max_len = roar_mm_strlen(name); |
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[0] | 427 | ROAR_DBG("roar_identify(*): strlen(name) = %i", max_len); |
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| 428 | |
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| 429 | if ( max_len > (LIBROAR_BUFFER_MSGDATA - 5) ) |
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| 430 | max_len = LIBROAR_BUFFER_MSGDATA - 5; |
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| 431 | |
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| 432 | mes.datalen = 5 + max_len; |
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| 433 | mes.data[0] = 1; |
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| 434 | |
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| 435 | pid = getpid(); |
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[5132] | 436 | mes.data[1] = (pid & 0xFF000000UL) >> 24; |
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| 437 | mes.data[2] = (pid & 0x00FF0000UL) >> 16; |
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| 438 | mes.data[3] = (pid & 0x0000FF00UL) >> 8; |
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| 439 | mes.data[4] = (pid & 0x000000FFUL) >> 0; |
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| 440 | ROAR_DBG("roar_identify(*): pid = %i", (int)pid); |
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[0] | 441 | |
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| 442 | strncpy(mes.data+5, name, max_len); |
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| 443 | |
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[5146] | 444 | return roar_req3(con, &mes, NULL); |
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[0] | 445 | } |
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| 446 | |
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| 447 | //ll |
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