[0] | 1 | //ctl.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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[0] | 35 | #include "libroar.h" |
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| 36 | |
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[1162] | 37 | int roar_get_clientid (struct roar_connection * con) { |
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| 38 | struct roar_message mes; |
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| 39 | |
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| 40 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 41 | |
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| 42 | mes.cmd = ROAR_CMD_WHOAMI; |
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| 43 | mes.datalen = 0; |
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| 44 | |
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| 45 | if ( roar_req(con, &mes, NULL) == -1 ) |
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| 46 | return -1; |
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| 47 | |
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| 48 | if ( mes.cmd != ROAR_CMD_OK ) |
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| 49 | return -1; |
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| 50 | |
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| 51 | if ( mes.datalen != 1 ) |
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| 52 | return -1; |
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| 53 | |
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| 54 | return mes.data[0]; |
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| 55 | } |
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| 56 | |
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[0] | 57 | int roar_server_oinfo (struct roar_connection * con, struct roar_stream * sa) { |
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| 58 | struct roar_message mes; |
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| 59 | |
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[133] | 60 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 61 | |
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[0] | 62 | mes.cmd = ROAR_CMD_SERVER_OINFO; |
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| 63 | mes.datalen = 0; |
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| 64 | |
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| 65 | if ( roar_req(con, &mes, NULL) == -1 ) |
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| 66 | return -1; |
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| 67 | |
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| 68 | if ( mes.cmd != ROAR_CMD_OK ) |
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| 69 | return -1; |
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| 70 | |
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| 71 | if ( roar_stream_m2s(sa, &mes) == -1 ) |
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| 72 | return -1; |
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| 73 | |
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| 74 | return 0; |
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| 75 | } |
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| 76 | |
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| 77 | int roar_get_standby (struct roar_connection * con) { |
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| 78 | struct roar_message mes; |
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| 79 | |
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[133] | 80 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 81 | |
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[0] | 82 | mes.cmd = ROAR_CMD_GET_STANDBY; |
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| 83 | mes.datalen = 0; |
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| 84 | |
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| 85 | if ( roar_req(con, &mes, NULL) == -1 ) |
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| 86 | return -1; |
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| 87 | |
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| 88 | if ( mes.cmd != ROAR_CMD_OK ) |
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| 89 | return -1; |
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| 90 | |
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| 91 | return ROAR_NET2HOST16(*((uint16_t*)mes.data)); |
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| 92 | } |
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| 93 | |
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| 94 | int roar_set_standby (struct roar_connection * con, int state) { |
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| 95 | struct roar_message mes; |
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| 96 | |
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[133] | 97 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 98 | |
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[0] | 99 | mes.cmd = ROAR_CMD_SET_STANDBY; |
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| 100 | mes.datalen = 2; |
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| 101 | |
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| 102 | *((uint16_t*)mes.data) = ROAR_HOST2NET16((unsigned) state); |
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| 103 | |
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| 104 | if ( roar_req(con, &mes, NULL) == -1 ) |
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| 105 | return -1; |
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| 106 | |
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| 107 | if ( mes.cmd != ROAR_CMD_OK ) |
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| 108 | return -1; |
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| 109 | |
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| 110 | return 0; |
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| 111 | } |
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| 112 | |
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| 113 | int roar_exit (struct roar_connection * con) { |
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[578] | 114 | return roar_terminate(con, 0); |
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| 115 | } |
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| 116 | |
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| 117 | int roar_terminate (struct roar_connection * con, int terminate) { |
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[0] | 118 | struct roar_message mes; |
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| 119 | |
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[133] | 120 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 121 | |
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[578] | 122 | mes.cmd = ROAR_CMD_EXIT; |
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| 123 | mes.datalen = 1; |
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| 124 | mes.data[0] = terminate; |
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| 125 | |
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[0] | 126 | if ( roar_req(con, &mes, NULL) == -1 ) |
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| 127 | return -1; |
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| 128 | |
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| 129 | if ( mes.cmd != ROAR_CMD_OK ) |
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| 130 | return -1; |
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| 131 | |
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| 132 | return 0; |
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| 133 | } |
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| 134 | |
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| 135 | int roar_list (struct roar_connection * con, int * items, int max, int cmd) { |
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| 136 | struct roar_message m; |
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| 137 | |
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[133] | 138 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 139 | |
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[0] | 140 | roar_ctl_f2m_any(&m); |
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| 141 | m.cmd = cmd; |
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| 142 | |
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| 143 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 144 | return -1; |
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| 145 | |
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| 146 | return roar_ctl_m2ia(&m, items, max); |
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| 147 | } |
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| 148 | |
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| 149 | int roar_get_client (struct roar_connection * con, struct roar_client * client, int id) { |
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| 150 | struct roar_message m; |
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| 151 | |
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[133] | 152 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 153 | |
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[0] | 154 | m.cmd = ROAR_CMD_GET_CLIENT; |
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| 155 | m.datalen = 1; |
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| 156 | m.data[0] = id; |
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| 157 | |
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| 158 | ROAR_DBG("roar_get_client(*): id = %i", id); |
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| 159 | |
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| 160 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 161 | return -1; |
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| 162 | |
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| 163 | if ( m.cmd != ROAR_CMD_OK ) |
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| 164 | return -1; |
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| 165 | |
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| 166 | ROAR_DBG("roar_get_client(*): got ok"); |
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| 167 | |
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| 168 | return roar_ctl_m2c(&m, client); |
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| 169 | } |
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| 170 | |
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| 171 | int roar_get_stream (struct roar_connection * con, struct roar_stream * stream, int id) { |
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| 172 | struct roar_message m; |
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| 173 | |
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[133] | 174 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 175 | |
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[0] | 176 | m.cmd = ROAR_CMD_GET_STREAM; |
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| 177 | m.datalen = 1; |
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| 178 | m.data[0] = id; |
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| 179 | |
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[798] | 180 | roar_errno = ROAR_ERROR_UNKNOWN; |
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| 181 | |
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| 182 | if ( roar_req(con, &m, NULL) == -1 ) { |
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| 183 | roar_errno = ROAR_ERROR_PROTO; |
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[0] | 184 | return -1; |
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[798] | 185 | } |
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[0] | 186 | |
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| 187 | if ( m.cmd != ROAR_CMD_OK ) |
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| 188 | return -1; |
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| 189 | |
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| 190 | return roar_stream_m2s(stream, &m); |
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| 191 | } |
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| 192 | |
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| 193 | int roar_kick (struct roar_connection * con, int type, int id) { |
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| 194 | struct roar_message m; |
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[17] | 195 | uint16_t * info = (uint16_t *) m.data; |
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[0] | 196 | |
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[133] | 197 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 198 | |
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[0] | 199 | m.cmd = ROAR_CMD_KICK; |
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| 200 | m.datalen = 4; |
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[299] | 201 | info[0] = ROAR_HOST2NET16(type); |
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| 202 | info[1] = ROAR_HOST2NET16(id); |
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[0] | 203 | |
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| 204 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 205 | return -1; |
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| 206 | |
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| 207 | if ( m.cmd != ROAR_CMD_OK ) |
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| 208 | return -1; |
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| 209 | |
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| 210 | return 0; |
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| 211 | } |
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| 212 | |
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[17] | 213 | int roar_set_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int channels) { |
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| 214 | struct roar_message m; |
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| 215 | uint16_t * info = (uint16_t *) m.data; |
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| 216 | int i; |
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| 217 | |
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[133] | 218 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 219 | |
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[17] | 220 | m.cmd = ROAR_CMD_SET_VOL; |
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| 221 | m.datalen = (3 + channels) * 2; |
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| 222 | info[0] = 0; |
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[300] | 223 | info[1] = ROAR_HOST2NET16(id); |
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| 224 | info[2] = ROAR_HOST2NET16(ROAR_SET_VOL_ALL); |
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[17] | 225 | |
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| 226 | for (i = 0; i < channels; i++) |
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[300] | 227 | info[i+3] = ROAR_HOST2NET16(mixer->mixer[i]); |
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[17] | 228 | |
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| 229 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 230 | return -1; |
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| 231 | |
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| 232 | if ( m.cmd != ROAR_CMD_OK ) |
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| 233 | return -1; |
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| 234 | |
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| 235 | return 0; |
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| 236 | } |
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| 237 | |
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[24] | 238 | int roar_get_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int * channels) { |
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| 239 | struct roar_message m; |
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| 240 | uint16_t * info = (uint16_t *) m.data; |
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| 241 | int i; |
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| 242 | |
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[133] | 243 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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| 244 | |
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[24] | 245 | m.cmd = ROAR_CMD_GET_VOL; |
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| 246 | m.datalen = 2*2; |
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| 247 | info[0] = 0; |
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[300] | 248 | info[1] = ROAR_HOST2NET16(id); |
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[24] | 249 | |
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| 250 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 251 | return -1; |
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| 252 | |
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| 253 | if ( m.cmd != ROAR_CMD_OK ) |
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| 254 | return -1; |
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| 255 | |
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| 256 | if ( info[0] != 0 ) |
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| 257 | return -1; |
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| 258 | |
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[300] | 259 | info[1] = ROAR_NET2HOST16(info[1]); |
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| 260 | |
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[24] | 261 | if ( channels != NULL ) |
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| 262 | *channels = info[1]; |
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| 263 | |
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| 264 | if ( info[1] > ROAR_MAX_CHANNELS ) |
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| 265 | return -1; |
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| 266 | |
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[2374] | 267 | mixer->scale = 65535; |
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| 268 | mixer->rpg_mul = 1; |
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| 269 | mixer->rpg_div = 1; |
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| 270 | |
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[24] | 271 | for (i = 0; i < info[1]; i++) |
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[300] | 272 | mixer->mixer[i] = ROAR_NET2HOST16(info[i+2]); |
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[24] | 273 | |
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| 274 | return 0; |
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| 275 | } |
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[0] | 276 | |
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| 277 | // converts: *_m2*, *_*2m |
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| 278 | |
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| 279 | int roar_ctl_f2m (struct roar_message * m, unsigned char filter, unsigned char cmp, uint32_t id) { |
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| 280 | |
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| 281 | m->datalen = 7; |
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| 282 | |
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| 283 | m->data[0] = 0; |
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| 284 | m->data[1] = filter; |
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| 285 | m->data[2] = cmp; |
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| 286 | *((uint32_t*)&(m->data[3])) = ROAR_HOST2NET32(id); |
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| 287 | |
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| 288 | return 0; |
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| 289 | } |
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| 290 | int roar_ctl_m2f (struct roar_message * m, unsigned char * filter, unsigned char * cmp, uint32_t * id) { |
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| 291 | |
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| 292 | if ( m->datalen != 7 ) |
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| 293 | return -1; |
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| 294 | |
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| 295 | if ( m->data[0] != 0 ) { |
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| 296 | ROAR_ERR("roar_ctl_m2f(*): version %i not supported!", m->data[0]); |
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| 297 | return -1; |
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| 298 | } |
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| 299 | |
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| 300 | *filter = m->data[1]; |
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| 301 | *cmp = m->data[2]; |
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| 302 | |
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| 303 | *id = ROAR_NET2HOST32(*((uint32_t*)&(m->data[3]))); |
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| 304 | |
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| 305 | return 0; |
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| 306 | } |
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| 307 | |
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| 308 | int roar_ctl_ia2m (struct roar_message * m, int * data, int len) { |
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| 309 | int i; |
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| 310 | |
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| 311 | if ( len > LIBROAR_BUFFER_MSGDATA ) |
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| 312 | return -1; |
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| 313 | |
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| 314 | m->datalen = len; |
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| 315 | |
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| 316 | for (i = 0; i < len; i++) |
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| 317 | m->data[i] = data[i]; |
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| 318 | |
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| 319 | return 0; |
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| 320 | } |
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| 321 | int roar_ctl_m2ia (struct roar_message * m, int * data, int len) { |
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| 322 | int i; |
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| 323 | |
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| 324 | if ( m->datalen > len ) |
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| 325 | return -1; |
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| 326 | |
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| 327 | for (i = 0; i < m->datalen; i++) |
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| 328 | data[i] = m->data[i]; |
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| 329 | |
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| 330 | return m->datalen; |
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| 331 | } |
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| 332 | |
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| 333 | int roar_ctl_c2m (struct roar_message * m, struct roar_client * c) { |
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| 334 | int cur = 0; |
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| 335 | int h; |
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| 336 | int i; |
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| 337 | int max_len; |
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[434] | 338 | uint32_t pid; |
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[2811] | 339 | size_t len_rest; |
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[0] | 340 | |
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| 341 | if ( c == NULL ) |
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| 342 | return -1; |
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| 343 | |
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| 344 | m->data[cur++] = 0; // 0: Version |
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| 345 | m->data[cur++] = c->execed; // 1: execed |
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| 346 | |
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| 347 | h = 0; |
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| 348 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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| 349 | if ( c->streams[i] != -1 ) |
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| 350 | m->data[cur+1+h++] = c->streams[i]; |
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| 351 | } |
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| 352 | |
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| 353 | m->data[cur++] = h; // 2: num of streams |
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| 354 | cur += h; |
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| 355 | |
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| 356 | max_len = strlen(c->name); |
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| 357 | |
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| 358 | // TODO: add some code to check if this fits in the pkg |
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| 359 | // NOTE: add this code after we are sure how long this pkg will be |
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| 360 | // and fully decieded about this function. |
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| 361 | |
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| 362 | m->data[cur++] = max_len; |
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| 363 | |
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| 364 | strncpy((m->data)+cur, c->name, max_len); |
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| 365 | |
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| 366 | cur += max_len; |
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| 367 | |
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[434] | 368 | pid = ROAR_HOST2NET32(c->pid); |
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[438] | 369 | memcpy(&(m->data[cur]), &pid, 4); |
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| 370 | cur += 4; |
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[434] | 371 | |
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[438] | 372 | pid = ROAR_HOST2NET32(c->uid); |
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| 373 | memcpy(&(m->data[cur]), &pid, 4); |
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| 374 | cur += 4; |
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| 375 | |
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| 376 | pid = ROAR_HOST2NET32(c->gid); |
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[434] | 377 | memcpy(&(m->data[cur]), &pid, 4); |
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| 378 | cur += 4; |
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| 379 | |
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[2544] | 380 | pid = ROAR_HOST2NET32(c->proto); |
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| 381 | memcpy(&(m->data[cur]), &pid, 4); |
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| 382 | cur += 4; |
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| 383 | |
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[2616] | 384 | pid = ROAR_HOST2NET32(c->byteorder); |
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| 385 | memcpy(&(m->data[cur]), &pid, 4); |
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| 386 | cur += 4; |
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| 387 | |
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[2811] | 388 | len_rest = sizeof(m->data) - cur; |
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| 389 | if ( roar_nnode_to_blob(&(c->nnode), &(m->data[cur]), &len_rest) == 0 ) { |
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| 390 | cur += len_rest; |
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| 391 | } |
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| 392 | |
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[0] | 393 | m->datalen = cur; |
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| 394 | |
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| 395 | return 0; |
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| 396 | } |
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| 397 | |
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| 398 | int roar_ctl_m2c (struct roar_message * m, struct roar_client * c) { |
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| 399 | int i; |
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| 400 | int cur; |
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[434] | 401 | uint32_t pid; |
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[2811] | 402 | size_t len; |
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[0] | 403 | |
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| 404 | if ( m == NULL || c == NULL ) |
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| 405 | return -1; |
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| 406 | |
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| 407 | if ( m->datalen == 0 ) |
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| 408 | return -1; |
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| 409 | |
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| 410 | ROAR_DBG("roar_ctl_m2c(*): got data!, len = %i", m->datalen); |
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| 411 | |
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| 412 | if ( m->data[0] != 0 ) { |
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| 413 | ROAR_DBG("roar_ctl_m2c(*): wrong version!"); |
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| 414 | return -1; |
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| 415 | } |
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| 416 | |
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| 417 | if ( m->datalen < 3 ) |
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| 418 | return -1; |
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| 419 | |
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| 420 | ROAR_DBG("roar_ctl_m2c(*): have usable data!"); |
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| 421 | |
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| 422 | c->execed = m->data[1]; |
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| 423 | |
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| 424 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) |
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| 425 | c->streams[i] = -1; |
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| 426 | |
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| 427 | for (i = 0; i < m->data[2]; i++) |
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| 428 | c->streams[i] = m->data[3+i]; |
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| 429 | |
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| 430 | cur = 3 + m->data[2]; |
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| 431 | |
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| 432 | strncpy(c->name, (m->data)+cur+1, m->data[cur]); |
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[17] | 433 | c->name[(int)m->data[cur]] = 0; |
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[0] | 434 | |
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[434] | 435 | cur += m->data[cur] + 1; |
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| 436 | |
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| 437 | memcpy(&pid, &(m->data[cur]), 4); |
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| 438 | c->pid = ROAR_NET2HOST32(pid); |
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| 439 | cur += 4; |
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| 440 | |
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[438] | 441 | memcpy(&pid, &(m->data[cur]), 4); |
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| 442 | c->uid = ROAR_NET2HOST32(pid); |
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| 443 | cur += 4; |
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| 444 | |
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| 445 | memcpy(&pid, &(m->data[cur]), 4); |
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| 446 | c->gid = ROAR_NET2HOST32(pid); |
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| 447 | cur += 4; |
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| 448 | |
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[2544] | 449 | if ( m->datalen >= cur+4 ) { |
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| 450 | memcpy(&pid, &(m->data[cur]), 4); |
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| 451 | c->proto = ROAR_NET2HOST32(pid); |
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| 452 | cur += 4; |
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| 453 | } else { |
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| 454 | c->proto = ROAR_PROTO_NONE; |
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| 455 | } |
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| 456 | |
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[2616] | 457 | if ( m->datalen >= cur+4 ) { |
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| 458 | memcpy(&pid, &(m->data[cur]), 4); |
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| 459 | c->byteorder = ROAR_NET2HOST32(pid); |
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| 460 | cur += 4; |
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| 461 | } else { |
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| 462 | c->byteorder = ROAR_BYTEORDER_UNKNOWN; |
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| 463 | } |
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| 464 | |
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[2811] | 465 | if ( m->datalen > cur ) { |
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| 466 | len = m->datalen - cur; |
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| 467 | if ( roar_nnode_from_blob(&(c->nnode), &(m->data[cur]), &len) == 0 ) { |
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| 468 | cur += len; |
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| 469 | } else { |
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| 470 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
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| 471 | return -1; |
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| 472 | } |
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| 473 | } else { |
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| 474 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
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| 475 | return -1; |
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| 476 | } |
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| 477 | |
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[0] | 478 | return 0; |
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| 479 | } |
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| 480 | |
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[2548] | 481 | int roar_str2proto (char * proto) { |
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| 482 | if ( !strcasecmp(proto, "roar") ) { |
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| 483 | return ROAR_PROTO_ROARAUDIO; |
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| 484 | } else if ( !strcasecmp(proto, "roaraudio") ) { |
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| 485 | return ROAR_PROTO_ROARAUDIO; |
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| 486 | } else if ( !strcasecmp(proto, "esd") ) { |
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| 487 | return ROAR_PROTO_ESOUND; |
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| 488 | } else if ( !strcasecmp(proto, "esound") ) { |
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| 489 | return ROAR_PROTO_ESOUND; |
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[2857] | 490 | } else if ( !strcasecmp(proto, "auto") ) { |
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| 491 | return ROAR_PROTO_AUTO; |
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| 492 | } else if ( !strcasecmp(proto, "(auto)") ) { |
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| 493 | return ROAR_PROTO_AUTO; |
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| 494 | } else if ( !strcasecmp(proto, "http") ) { |
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| 495 | return ROAR_PROTO_HTTP; |
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| 496 | } else if ( !strcasecmp(proto, "gopher") ) { |
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| 497 | return ROAR_PROTO_GOPHER; |
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| 498 | } else if ( !strcasecmp(proto, "icy") ) { |
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| 499 | return ROAR_PROTO_ICY; |
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[2548] | 500 | } |
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| 501 | |
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| 502 | return -1; |
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| 503 | } |
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| 504 | |
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| 505 | char * roar_proto2str (int proto) { |
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| 506 | switch (proto) { |
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| 507 | case ROAR_PROTO_ROARAUDIO: return "RoarAudio"; break; |
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| 508 | case ROAR_PROTO_ESOUND: return "EsounD"; break; |
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[2857] | 509 | case ROAR_PROTO_AUTO: return "(auto)"; break; |
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| 510 | case ROAR_PROTO_HTTP: return "http"; break; |
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| 511 | case ROAR_PROTO_GOPHER: return "gopher"; break; |
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| 512 | case ROAR_PROTO_ICY: return "ICY"; break; |
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[2548] | 513 | default: |
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| 514 | return "(unknown)"; |
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| 515 | } |
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| 516 | } |
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| 517 | |
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[2615] | 518 | int roar_str2byteorder (char * byteorder) { |
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| 519 | if ( !strcasecmp(byteorder, "le") || !strcasecmp(byteorder, "little") || |
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| 520 | !strcasecmp(byteorder, "little endian") || !strcasecmp(byteorder, "1234") ) { |
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| 521 | return ROAR_BYTEORDER_LE; |
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| 522 | } else if ( !strcasecmp(byteorder, "be") || !strcasecmp(byteorder, "big") || |
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| 523 | !strcasecmp(byteorder, "big endian") || !strcasecmp(byteorder, "4321") ) { |
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| 524 | return ROAR_BYTEORDER_BE; |
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| 525 | } else if ( !strcasecmp(byteorder, "pdp") || |
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| 526 | !strcasecmp(byteorder, "pdp endian") ) { |
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| 527 | return ROAR_BYTEORDER_PDP; |
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| 528 | } else if ( !strcasecmp(byteorder, "network") || |
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| 529 | !strcasecmp(byteorder, "network byteorder") ) { |
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| 530 | return ROAR_BYTEORDER_NETWORK; |
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| 531 | } |
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| 532 | |
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| 533 | return -1; |
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| 534 | } |
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| 535 | |
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| 536 | char * roar_byteorder2str (int byteorder) { |
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| 537 | switch (byteorder) { |
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| 538 | case ROAR_BYTEORDER_LE: return "little endian"; break; |
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| 539 | case ROAR_BYTEORDER_BE: return "big endian"; break; |
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| 540 | case ROAR_BYTEORDER_PDP: return "pdp endian"; break; |
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| 541 | // case ROAR_BYTEORDER_NETWORK: return "network"; break; |
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| 542 | default: |
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| 543 | return "(unknown)"; |
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| 544 | } |
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| 545 | } |
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| 546 | |
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[0] | 547 | //ll |
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