[5115] | 1 | //vio_stream.c: |
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| 2 | |
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| 3 | /* |
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[5381] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2012 |
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[5115] | 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, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 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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| 36 | #include "libroar.h" |
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| 37 | |
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[5116] | 38 | static ssize_t _vio_stream_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 39 | return roar_vio_read(roar_get_connection_vio2(vio->inst), buf, count); |
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| 40 | } |
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| 41 | |
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| 42 | static ssize_t _vio_stream_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 43 | return roar_vio_write(roar_get_connection_vio2(vio->inst), buf, count); |
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| 44 | } |
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| 45 | |
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[5278] | 46 | static roar_off_t _vio_stream_lseek (struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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[5116] | 47 | return roar_vio_lseek(roar_get_connection_vio2(vio->inst), offset, whence); |
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| 48 | } |
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| 49 | static int _vio_stream_sync (struct roar_vio_calls * vio) { |
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| 50 | return roar_vio_sync(roar_get_connection_vio2(vio->inst)); |
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| 51 | } |
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[5278] | 52 | static int _vio_stream_ctl (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
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[5116] | 53 | if (vio == NULL) { |
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| 54 | roar_err_set(ROAR_ERROR_FAULT); |
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| 55 | return -1; |
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| 56 | } |
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| 57 | |
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| 58 | if (cmd == -1) { |
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| 59 | roar_err_set(ROAR_ERROR_INVAL); |
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| 60 | return -1; |
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| 61 | } |
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| 62 | |
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| 63 | switch (cmd) { |
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| 64 | case ROAR_VIO_CTL_GET_NAME: |
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| 65 | if ( data == NULL ) { |
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| 66 | roar_err_set(ROAR_ERROR_FAULT); |
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| 67 | return -1; |
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| 68 | } |
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| 69 | |
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| 70 | *(char**)data = "stream"; |
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| 71 | return 0; |
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| 72 | break; |
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| 73 | case ROAR_VIO_CTL_GET_NEXT: |
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| 74 | *(struct roar_vio_calls **)data = roar_get_connection_vio2(vio->inst); |
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| 75 | return 0; |
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| 76 | break; |
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| 77 | case ROAR_VIO_CTL_SET_NEXT: |
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| 78 | roar_err_set(ROAR_ERROR_NOTSUP); |
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| 79 | return -1; |
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| 80 | break; |
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[5276] | 81 | case ROAR_VIO_CTL_NONBLOCK: |
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| 82 | return roar_vio_ctl(roar_get_connection_vio2(vio->inst), ROAR_VIO_CTL_NONBLOCK, data); |
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| 83 | break; |
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[5116] | 84 | } |
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| 85 | |
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| 86 | return roar_vio_ctl(roar_get_connection_vio2(vio->inst), cmd, data); |
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| 87 | } |
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| 88 | |
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| 89 | static int _vio_stream_close (struct roar_vio_calls * vio) { |
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| 90 | roar_vio_close(roar_get_connection_vio2(vio->inst)); |
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| 91 | roar_mm_free(vio->inst); |
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| 92 | |
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| 93 | return 0; |
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| 94 | } |
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[5115] | 95 | |
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[5289] | 96 | int roar_vio_simple_stream (struct roar_vio_calls * calls, |
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| 97 | uint32_t rate, uint32_t channels, uint32_t bits, uint32_t codec, |
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| 98 | const char * server, int dir, const char * name, int mixer) { |
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[5116] | 99 | struct roar_connection * con = NULL; |
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| 100 | struct roar_stream stream; |
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| 101 | int err; |
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[5115] | 102 | |
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| 103 | if ( calls == NULL ) { |
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| 104 | roar_err_set(ROAR_ERROR_FAULT); |
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| 105 | return -1; |
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| 106 | } |
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| 107 | |
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[5116] | 108 | if ( roar_stream_new(&stream, rate, channels, bits, codec) == -1 ) |
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| 109 | return -1; |
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| 110 | |
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| 111 | con = roar_mm_malloc(sizeof(struct roar_connection)); |
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| 112 | if ( con == NULL ) |
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| 113 | return -1; |
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| 114 | |
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| 115 | memset(con, 0, sizeof(struct roar_connection)); |
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| 116 | |
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| 117 | if ( roar_simple_connect(con, server, name) == -1 ) { |
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| 118 | err = roar_error; |
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| 119 | roar_mm_free(con); |
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| 120 | roar_error = err; |
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| 121 | return -1; |
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| 122 | } |
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| 123 | |
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[5289] | 124 | if ( roar_stream_connect(con, &stream, dir, mixer) == -1 ) { |
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[5116] | 125 | err = roar_error; |
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| 126 | roar_disconnect(con); |
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| 127 | roar_mm_free(con); |
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| 128 | roar_error = err; |
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[5115] | 129 | return -1; |
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| 130 | } |
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[5116] | 131 | |
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| 132 | if ( roar_stream_exec(con, &stream) == -1 ) { |
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| 133 | err = roar_error; |
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| 134 | roar_disconnect(con); |
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| 135 | roar_mm_free(con); |
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| 136 | roar_error = err; |
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| 137 | return -1; |
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| 138 | } |
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| 139 | |
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| 140 | roar_vio_clear_calls(calls); |
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[5115] | 141 | |
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[5116] | 142 | calls->inst = con; |
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| 143 | calls->read = _vio_stream_read; |
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| 144 | calls->write = _vio_stream_write; |
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| 145 | calls->lseek = _vio_stream_lseek; |
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| 146 | calls->sync = _vio_stream_sync; |
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| 147 | calls->ctl = _vio_stream_ctl; |
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| 148 | calls->close = _vio_stream_close; |
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| 149 | |
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| 150 | if ( dir == ROAR_DIR_PLAY ) { |
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| 151 | roar_vio_shutdown(calls, SHUT_RD); |
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| 152 | } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) { |
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| 153 | roar_vio_shutdown(calls, SHUT_WR); |
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| 154 | } |
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| 155 | |
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| 156 | return 0; |
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[5115] | 157 | } |
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| 158 | |
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[5377] | 159 | static int _roar_simple_new_stream_obj (struct roar_connection * con, struct roar_stream * s, uint32_t rate, uint32_t channels, uint32_t bits, uint32_t codec, int dir, int mixer) { |
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| 160 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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| 161 | char file[80] = {0}; |
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| 162 | int fh = -1, listen = -1; |
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| 163 | static int count = 0; |
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| 164 | int port = 0; |
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| 165 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_LIBDNET) |
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| 166 | int opt = 1; |
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| 167 | #endif |
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| 168 | #ifdef ROAR_HAVE_IPV4 |
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| 169 | struct sockaddr_in socket_addr; |
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| 170 | socklen_t len = sizeof(struct sockaddr_in); |
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| 171 | #else |
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| 172 | struct sockaddr socket_addr; |
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| 173 | socklen_t len = sizeof(struct sockaddr); |
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| 174 | #endif |
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| 175 | #ifdef ROAR_HAVE_SELECT |
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| 176 | int confh; |
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| 177 | fd_set fds; |
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| 178 | struct timeval timeout = {10, 0}; |
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| 179 | struct roar_message mes; |
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| 180 | #endif |
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| 181 | #ifdef ROAR_HAVE_UNIX |
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| 182 | int socks[2]; // for socketpair() |
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| 183 | #endif |
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[5408] | 184 | struct roar_sockname sockname; |
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[5377] | 185 | |
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| 186 | // make valgrind happy |
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| 187 | memset(&socket_addr, 0, sizeof(socket_addr)); |
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| 188 | #ifdef ROAR_HAVE_SELECT |
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| 189 | memset(&mes, 0, sizeof(mes)); |
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| 190 | #endif |
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| 191 | |
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[5408] | 192 | ROAR_DBG("_roar_simple_new_stream_obj(con=%p, s=%p, rate=%i, channels=%i, bits=%i, codec=%i, dir=%i, mixer=%i) = ?", con, s, (int)rate, (int)channels, (int)bits, (int)codec, dir, mixer); |
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| 193 | |
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[5377] | 194 | if ( config != NULL ) { |
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| 195 | if ( config->workaround.workarounds & ROAR_LIBROAR_CONFIG_WAS_USE_EXECED ) { |
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| 196 | return roar_simple_new_stream_attachexeced_obj(con, s, rate, channels, bits, codec, dir, mixer); |
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| 197 | } |
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| 198 | } |
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| 199 | |
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[5408] | 200 | ROAR_DBG("_roar_simple_new_stream_obj(con=%p, s=%p, rate=%i, channels=%i, bits=%i, codec=%i, dir=%i, mixer=%i) = ?", con, s, (int)rate, (int)channels, (int)bits, (int)codec, dir, mixer); |
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| 201 | |
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[5377] | 202 | roar_libroar_nowarn(); |
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[5408] | 203 | if ( roar_vio_ctl(roar_get_connection_vio2(con), ROAR_VIO_CTL_GET_SOCKNAME, &sockname) == -1 ) { |
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[5377] | 204 | roar_libroar_warn(); |
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[5408] | 205 | #ifdef ROAR_OS_OPENBSD |
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| 206 | sockname.type = ROAR_SOCKET_TYPE_UNIX; |
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[5377] | 207 | #else |
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[5408] | 208 | ROAR_DBG("_roar_simple_new_stream_obj(con=%p, s=%p, rate=%i, channels=%i, bits=%i, codec=%i, dir=%i, mixer=%i) = -1", con, s, (int)rate, (int)channels, (int)bits, (int)codec, dir, mixer); |
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[5377] | 209 | |
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| 210 | return -1; |
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| 211 | #endif |
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| 212 | } |
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[5408] | 213 | roar_libroar_warn(); |
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[5377] | 214 | |
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[5408] | 215 | ROAR_DBG("_roar_simple_new_stream_obj(con=%p, s=%p, rate=%i, channels=%i, bits=%i, codec=%i, dir=%i, mixer=%i) = ?", con, s, (int)rate, (int)channels, (int)bits, (int)codec, dir, mixer); |
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[5377] | 216 | |
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[5408] | 217 | if ( sockname.type == ROAR_SOCKET_TYPE_DECNET ) { |
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[5377] | 218 | if ( roar_socket_get_local_nodename() ) { |
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| 219 | snprintf(file, 24, "%s::roar$TMP%04x%02x", roar_socket_get_local_nodename(), getpid(), count++); |
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| 220 | } else { |
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| 221 | return -1; |
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| 222 | } |
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| 223 | #ifdef ROAR_HAVE_IPV4 |
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| 224 | } else { |
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| 225 | strncpy(file, inet_ntoa(socket_addr.sin_addr), sizeof(file) - 1); |
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| 226 | #endif |
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| 227 | } |
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| 228 | |
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[5408] | 229 | if ( sockname.type != ROAR_SOCKET_TYPE_UNIX ) { |
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| 230 | if ( (listen = roar_socket_listen(sockname.type, file, port)) == -1 ) { |
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[5377] | 231 | return -1; |
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| 232 | } |
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| 233 | } |
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| 234 | |
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[5408] | 235 | if ( sockname.type == ROAR_SOCKET_TYPE_INET ) { |
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[5377] | 236 | #ifdef ROAR_HAVE_IPV4 |
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| 237 | setsockopt(listen, SOL_SOCKET, SO_REUSEADDR, (void*)&opt, sizeof(int)); |
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| 238 | |
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| 239 | len = sizeof(struct sockaddr_in); |
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| 240 | if ( getsockname(listen, (struct sockaddr *)&socket_addr, &len) == -1 ) { |
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| 241 | return -1; |
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| 242 | } |
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| 243 | port = ROAR_NET2HOST16(socket_addr.sin_port); |
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| 244 | ROAR_DBG("roar_simple_new_stream_obj(*): port=%i", port); |
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| 245 | #else |
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| 246 | return -1; |
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| 247 | #endif |
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[5408] | 248 | } else if ( sockname.type == ROAR_SOCKET_TYPE_DECNET ) { |
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[5377] | 249 | #ifdef ROAR_HAVE_LIBDNET |
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| 250 | setsockopt(listen, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int)); |
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| 251 | #else |
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| 252 | return -1; |
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| 253 | #endif |
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| 254 | } |
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| 255 | |
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| 256 | if ( roar_stream_new(s, rate, channels, bits, codec) == -1 ) { |
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| 257 | return -1; |
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| 258 | } |
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| 259 | |
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| 260 | if ( roar_stream_connect(con, s, dir, mixer) == -1 ) { |
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| 261 | return -1; |
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| 262 | } |
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| 263 | |
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[5408] | 264 | if ( sockname.type != ROAR_SOCKET_TYPE_UNIX ) { |
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[5377] | 265 | #ifdef ROAR_HAVE_SELECT |
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[5408] | 266 | if ( roar_stream_connect_to_ask(con, s, sockname.type, file, port) != -1 ) { |
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[5377] | 267 | |
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| 268 | FD_ZERO(&fds); |
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| 269 | FD_SET(listen, &fds); |
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| 270 | |
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| 271 | confh = roar_get_connection_fh(con); |
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| 272 | |
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| 273 | if ( confh != -1 ) { |
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| 274 | FD_SET(confh, &fds); |
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| 275 | } |
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| 276 | |
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| 277 | if ( select((confh > listen ? confh : listen) + 1, &fds, NULL, NULL, &timeout) < 1 ) { |
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| 278 | close(listen); |
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| 279 | |
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| 280 | // we don't need to check the content as we know it failed... |
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| 281 | if ( roar_recv_message(con, &mes, NULL) == -1 ) |
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| 282 | return -1; |
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| 283 | |
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| 284 | if ( roar_kick(con, ROAR_OT_STREAM, s->id) == -1 ) |
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| 285 | return -1; |
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| 286 | |
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| 287 | return roar_simple_new_stream_attachexeced_obj(con, s, rate, channels, bits, codec, dir, mixer); |
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| 288 | } |
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| 289 | |
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| 290 | if ( FD_ISSET(listen, &fds) ) { |
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| 291 | if ( (fh = accept(listen, NULL, NULL)) != -1 ) { |
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| 292 | /* errr, do we need we any error handling here? */ |
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| 293 | } |
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| 294 | |
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| 295 | if ( roar_recv_message(con, &mes, NULL) == -1 ) { |
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| 296 | if ( fh != -1 ) |
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| 297 | close(fh); |
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| 298 | fh = -1; |
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| 299 | } else if ( mes.cmd != ROAR_CMD_OK ) { |
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| 300 | if ( fh != -1 ) |
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| 301 | close(fh); |
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| 302 | fh = -1; |
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| 303 | } |
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| 304 | } else { |
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| 305 | // we don't need to check the content as we know it failed... |
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| 306 | if ( roar_recv_message(con, &mes, NULL) == -1 ) { |
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| 307 | close(listen); |
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| 308 | return -1; |
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| 309 | } |
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| 310 | |
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| 311 | if ( mes.cmd != ROAR_CMD_OK ) { |
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| 312 | close(listen); |
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| 313 | if ( roar_kick(con, ROAR_OT_STREAM, s->id) == -1 ) |
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| 314 | return -1; |
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| 315 | |
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| 316 | return roar_simple_new_stream_attachexeced_obj(con, s, rate, channels, bits, codec, dir, mixer); |
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| 317 | } else { // seems like we have a positive reply. So we retry the listen socket: |
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| 318 | FD_ZERO(&fds); |
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| 319 | FD_SET(listen, &fds); |
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| 320 | timeout.tv_sec = 0; |
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| 321 | timeout.tv_usec = 128000L; |
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| 322 | fh = -1; |
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| 323 | if ( select(listen + 1, &fds, NULL, NULL, &timeout) > 0 ) { |
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| 324 | if ( (fh = accept(listen, NULL, NULL)) == -1 ) { |
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| 325 | close(listen); |
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| 326 | if ( roar_kick(con, ROAR_OT_STREAM, s->id) == -1 ) |
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| 327 | return -1; |
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| 328 | |
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| 329 | return roar_simple_new_stream_attachexeced_obj(con, s, rate, channels, bits, codec, dir, mixer); |
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| 330 | } |
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| 331 | } |
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| 332 | } |
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| 333 | } |
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| 334 | } |
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| 335 | |
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| 336 | close(listen); |
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| 337 | #else |
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| 338 | return -1; |
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| 339 | #endif |
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[5408] | 340 | } else { // this is sockname.type == ROAR_SOCKET_TYPE_UNIX |
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[5377] | 341 | #ifdef ROAR_HAVE_UNIX |
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| 342 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
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| 343 | roar_kick(con, ROAR_OT_STREAM, s->id); // we do not need to check for errors |
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| 344 | // as we return -1 in both whys |
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| 345 | return -1; |
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| 346 | } |
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| 347 | |
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| 348 | if ( roar_stream_passfh(con, s, socks[0]) == -1 ) { |
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| 349 | roar_kick(con, ROAR_OT_STREAM, s->id); // we do not need to check for errors |
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| 350 | // as we return -1 anyway. |
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| 351 | close(socks[0]); |
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| 352 | close(socks[1]); |
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| 353 | return -1; |
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| 354 | } |
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| 355 | |
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| 356 | close(socks[0]); |
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| 357 | fh = socks[1]; |
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| 358 | #else |
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| 359 | roar_kick(con, ROAR_OT_STREAM, s->id); |
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| 360 | return -1; |
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| 361 | #endif |
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| 362 | } |
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| 363 | |
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| 364 | if ( fh != -1 ) { |
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| 365 | if ( dir == ROAR_DIR_PLAY ) { |
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| 366 | (void)ROAR_SHUTDOWN(fh, SHUT_RD); |
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| 367 | } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) { |
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| 368 | (void)ROAR_SHUTDOWN(fh, SHUT_WR); |
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| 369 | } |
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| 370 | } |
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| 371 | |
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| 372 | s->fh = fh; |
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| 373 | |
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[5408] | 374 | ROAR_DBG("_roar_simple_new_stream_obj(con=%p, s=%p, rate=%i, channels=%i, bits=%i, codec=%i, dir=%i, mixer=%i) = %i", con, s, (int)rate, (int)channels, (int)bits, (int)codec, dir, mixer, fh); |
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[5377] | 375 | return fh; |
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| 376 | } |
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| 377 | |
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[5115] | 378 | int roar_vio_simple_new_stream_obj (struct roar_vio_calls * calls, |
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| 379 | struct roar_connection * con, |
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| 380 | struct roar_stream * s, |
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[5289] | 381 | uint32_t rate, uint32_t channels, uint32_t bits, uint32_t codec, |
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| 382 | int dir, int mixer) { |
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[5115] | 383 | struct roar_stream stream; |
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| 384 | int fh; |
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| 385 | |
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| 386 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = ?"); |
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| 387 | |
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| 388 | if ( calls == NULL ) { |
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| 389 | roar_err_set(ROAR_ERROR_FAULT); |
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| 390 | return -1; |
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| 391 | } |
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| 392 | |
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| 393 | if ( s == NULL ) |
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| 394 | s = &stream; |
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| 395 | |
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[5377] | 396 | if ( (fh = _roar_simple_new_stream_obj(con, s, rate, channels, bits, codec, dir, mixer)) == -1 ) { |
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[5115] | 397 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = -1"); |
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| 398 | return -1; |
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| 399 | } |
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| 400 | |
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| 401 | ROAR_DBG("roar_vio_simple_new_stream_obj(*): fh=%i", fh); |
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| 402 | |
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| 403 | return roar_vio_open_fh_socket(calls, fh); |
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| 404 | } |
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| 405 | |
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| 406 | //ll |
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