[1016] | 1 | //roarmonhttp.c: |
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| 2 | |
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| 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 roarclients 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 | * RoarAudio 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 | */ |
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| 24 | |
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| 25 | #include <roaraudio.h> |
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| 26 | |
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[1785] | 27 | #if defined(ROAR_HAVE_SETENV) || defined(ROAR_HAVE_PUTENV) |
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| 28 | #define _CAN_SET_ENV |
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| 29 | #endif |
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| 30 | |
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[1016] | 31 | #define BUFSIZE 1024 |
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| 32 | |
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[1027] | 33 | void print_header (int codec, int rate, int channels) { |
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[1017] | 34 | char * mime = "application/octet-stream"; |
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| 35 | |
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| 36 | switch (codec) { |
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| 37 | case ROAR_CODEC_OGG_VORBIS: |
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| 38 | mime = "application/ogg"; |
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| 39 | break; |
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[1018] | 40 | case ROAR_CODEC_RIFF_WAVE: |
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| 41 | mime = "audio/x-wav"; |
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| 42 | break; |
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[1017] | 43 | } |
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| 44 | |
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| 45 | printf("Content-type: %s\r\n", mime); |
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[1027] | 46 | printf("ice-audio-info: ice-samplerate=%i;ice-channels=%i\r\n", rate, channels); |
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| 47 | printf("icy-pub:0\r\n"); |
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[1024] | 48 | printf("Server: RoarAudio (roarmonhttp $Revision$)\r\n"); |
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[1017] | 49 | printf("\r\n"); |
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| 50 | |
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| 51 | fflush(stdout); |
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| 52 | } |
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| 53 | |
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| 54 | int stream (int dest, int src) { |
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| 55 | struct roar_buffer *ring = NULL, *cur; |
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| 56 | ssize_t len; |
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| 57 | size_t todo; |
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| 58 | fd_set fsi[1], fso[1]; |
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| 59 | struct timeval tv; |
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| 60 | int alive = 1; |
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| 61 | int maxfh = (dest > src ? dest : src) + 1; |
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| 62 | void * data; |
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| 63 | |
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| 64 | roar_socket_nonblock(src, ROAR_SOCKET_NONBLOCK); |
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| 65 | roar_socket_nonblock(dest, ROAR_SOCKET_NONBLOCK); |
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| 66 | |
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| 67 | while (alive) { |
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| 68 | FD_ZERO(fsi); |
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| 69 | FD_ZERO(fso); |
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| 70 | FD_SET(src, fsi); |
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[1018] | 71 | if ( ring != NULL ) { |
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| 72 | FD_SET(dest, fso); |
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| 73 | } |
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[1017] | 74 | |
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| 75 | tv.tv_sec = 0; |
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| 76 | tv.tv_usec = 100000; // 100ms |
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| 77 | |
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| 78 | if (select(maxfh, fsi, fso, NULL, &tv) > 0) { |
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| 79 | if ( FD_ISSET(src, fsi) ) { // we can read! |
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| 80 | if ( roar_buffer_new(&cur, BUFSIZE) == -1 ) |
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| 81 | return -1; |
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| 82 | |
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| 83 | if ( roar_buffer_get_data(cur, &data) == -1 ) |
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| 84 | return -1; |
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| 85 | |
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| 86 | len = read(src, data, BUFSIZE); |
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| 87 | |
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| 88 | switch (len) { |
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| 89 | case 0: |
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| 90 | case -1: |
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| 91 | roar_buffer_free(cur); |
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| 92 | |
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| 93 | if ( ring != NULL ) |
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| 94 | roar_buffer_free(ring); |
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| 95 | |
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| 96 | return -1; |
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| 97 | break; |
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| 98 | } |
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| 99 | |
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[1018] | 100 | if ( roar_buffer_set_len(cur, len) == -1 ) |
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| 101 | return -1; |
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| 102 | |
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[1017] | 103 | if ( ring == NULL ) { |
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| 104 | ring = cur; |
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| 105 | } else { |
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| 106 | roar_buffer_add(ring, cur); |
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| 107 | } |
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| 108 | } else if ( FD_ISSET(dest, fso) && ring != NULL ) { // we can write! |
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| 109 | if ( roar_buffer_get_data(ring, &data) == -1 ) |
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| 110 | return -1; |
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| 111 | |
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| 112 | if ( roar_buffer_get_len(ring, &todo) == -1 ) |
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| 113 | return -1; |
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| 114 | |
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| 115 | len = write(dest, data, todo); |
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| 116 | |
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| 117 | if ( len < 1 ) { |
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| 118 | if ( errno != EAGAIN ) { |
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| 119 | roar_buffer_free(ring); |
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| 120 | return -1; |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | if ( todo == len ) { // we wrote all of the pkg |
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| 125 | if ( roar_buffer_next(&ring) == -1 ) |
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| 126 | return -1; |
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| 127 | } else { |
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| 128 | if ( roar_buffer_set_offset(ring, len) == -1 ) |
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| 129 | return -1; |
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| 130 | } |
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| 131 | |
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| 132 | } |
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| 133 | } |
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| 134 | } |
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| 135 | |
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| 136 | return 0; |
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| 137 | } |
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| 138 | |
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[1785] | 139 | #ifdef _CAN_SET_ENV |
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[1632] | 140 | int parse_http (int * gopher) { |
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[1025] | 141 | char buf[1024]; |
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[1130] | 142 | char * qs = buf, *str; |
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[1025] | 143 | ssize_t len; |
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[1130] | 144 | int dir = ROAR_DIR_MONITOR; |
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[1025] | 145 | |
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| 146 | if ( (len = read(ROAR_STDIN, buf, 1023)) == -1 ) |
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| 147 | return -1; |
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| 148 | |
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| 149 | buf[len] = 0; |
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| 150 | |
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[1130] | 151 | if ( strncmp(buf, "GET /", 5) ) { |
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| 152 | if ( strncmp(buf, "SOURCE /", 8) ) { |
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[1632] | 153 | if ( buf[0] != '/' ) { |
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| 154 | return -1; |
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| 155 | } else { |
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| 156 | *gopher = 1; |
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| 157 | } |
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[1130] | 158 | } else { |
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| 159 | dir = ROAR_DIR_PLAY; |
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| 160 | qs += 3; |
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| 161 | } |
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| 162 | } |
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[1025] | 163 | |
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[1632] | 164 | if ( !*gopher ) { |
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| 165 | qs += 5; |
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| 166 | |
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| 167 | if ( (str = strstr(qs, " ")) == NULL ) |
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| 168 | return -1; |
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[1025] | 169 | |
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[1632] | 170 | *str = 0; |
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| 171 | } else { |
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| 172 | if ( (str = strstr(qs, "\r")) != NULL ) |
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| 173 | *str = 0; |
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| 174 | if ( (str = strstr(qs, "\n")) != NULL ) |
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| 175 | *str = 0; |
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| 176 | } |
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[1025] | 177 | |
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| 178 | for (; *qs != '?'; qs++) |
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| 179 | if ( !*qs ) |
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| 180 | break; |
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| 181 | |
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| 182 | if ( *qs == '?' ) |
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| 183 | qs++; |
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| 184 | |
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[1632] | 185 | if ( !*gopher ) |
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| 186 | printf("HTTP/1.0 200 OK\r\n"); |
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[1025] | 187 | // printf("QS: %s\r\n", qs); |
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| 188 | |
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| 189 | fflush(stdout); |
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| 190 | |
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[1785] | 191 | #ifdef ROAR_HAVE_SETENV |
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[1025] | 192 | setenv("QUERY_STRING", qs, 1); |
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[1785] | 193 | #else |
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| 194 | // TODO: does this leak memory? |
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| 195 | if ( (str = malloc(strlen(qs) + strlen("QUERY_STRING=") + 1)) == NULL ) { |
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| 196 | return -1; |
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| 197 | } |
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| 198 | |
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| 199 | sprintf(str, "QUERY_STRING=%s", qs); |
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| 200 | |
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| 201 | putenv(str); |
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| 202 | #endif |
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[1025] | 203 | |
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[1130] | 204 | return dir; |
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[1025] | 205 | } |
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[1785] | 206 | #endif |
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[1025] | 207 | |
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[1016] | 208 | int main (int argc, char * argv[]) { |
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| 209 | int rate = 44100; |
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| 210 | int bits = 16; |
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| 211 | int channels = 2; |
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[1018] | 212 | int codec = ROAR_CODEC_OGG_VORBIS; |
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[2813] | 213 | int rel_id = -1; |
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| 214 | int sflags = ROAR_FLAG_NONE; |
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[1018] | 215 | // int codec = ROAR_CODEC_DEFAULT; |
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[1016] | 216 | char * server = NULL; |
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| 217 | int fh; |
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[1018] | 218 | char * c, * k, * v; |
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[2220] | 219 | #ifdef ROAR_HAVE_STRTOK_R |
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[1605] | 220 | char * sp0 = NULL, * sp1 = NULL; |
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[2220] | 221 | #endif |
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[1130] | 222 | int dir = ROAR_DIR_MONITOR; |
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[1632] | 223 | int gopher = 0; |
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[2813] | 224 | struct roar_connection con; |
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| 225 | struct roar_stream s; |
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[1023] | 226 | |
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[1783] | 227 | #ifdef ROAR_HAVE_ALARM |
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[1023] | 228 | alarm(0); // reset alarm timers from httpd |
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[1783] | 229 | #endif |
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[1018] | 230 | |
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[1025] | 231 | if ( argc > 1 ) |
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| 232 | if ( ! strcmp(argv[1], "--inetd") ) |
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[1785] | 233 | #ifdef _CAN_SET_ENV |
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[1632] | 234 | if ( (dir = parse_http(&gopher)) == -1 ) |
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[1025] | 235 | return 1; |
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[1785] | 236 | #else |
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| 237 | return 1; |
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| 238 | #endif |
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[1025] | 239 | |
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[3062] | 240 | c = getenv("QUERY_STRING"); |
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| 241 | if ( c == NULL ) |
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| 242 | c = ""; |
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| 243 | |
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[1797] | 244 | #ifdef ROAR_HAVE_STRTOK_R |
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[3062] | 245 | c = strtok_r(c, "&", &sp0); |
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[1797] | 246 | #else |
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[3062] | 247 | c = strtok(c, "&"); |
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[1797] | 248 | #endif |
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[1018] | 249 | |
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| 250 | while (c != NULL) { |
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[1797] | 251 | #ifdef ROAR_HAVE_STRTOK_R |
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[1018] | 252 | k = strtok_r(c, "=", &sp1); |
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| 253 | v = strtok_r(NULL, "=", &sp1); |
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[1797] | 254 | #else |
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| 255 | k = c; |
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| 256 | if ( (v = strstr(c, "=")) != NULL ) { |
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| 257 | *v = 0; |
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| 258 | v++; |
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| 259 | } |
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| 260 | #endif |
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[1018] | 261 | |
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| 262 | if ( !strcmp(k, "codec") ) { |
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| 263 | if ( (codec = roar_str2codec(v)) == -1 ) |
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| 264 | return 1; |
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[1024] | 265 | } else if ( !strcmp(k, "channels") ) { |
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| 266 | channels = atoi(v); |
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| 267 | } else if ( !strcmp(k, "rate") ) { |
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| 268 | rate = atoi(v); |
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| 269 | } else if ( !strcmp(k, "bits") ) { |
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| 270 | bits = atoi(v); |
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[2813] | 271 | } else if ( !strcmp(k, "rel-id") || !strcmp(k, "relid") ) { |
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| 272 | rel_id = atoi(v); |
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| 273 | } else if ( !strcmp(k, "set-flag") ) { |
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| 274 | if ( !strcmp(v, "meta") ) { |
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| 275 | sflags |= ROAR_FLAG_META; |
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| 276 | } else if ( !strcmp(v, "cleanmeta") ) { |
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| 277 | sflags |= ROAR_FLAG_CLEANMETA; |
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| 278 | } else if ( !strcmp(v, "prethru") ) { |
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| 279 | sflags |= ROAR_FLAG_PRETHRU; |
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| 280 | } else { |
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| 281 | return 1; |
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| 282 | } |
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| 283 | } else if ( !strcmp(k, "dir") ) { |
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| 284 | if ( (dir = roar_str2dir(v)) == -1 ) |
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| 285 | return 1; |
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[1018] | 286 | } else { |
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| 287 | return 1; |
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| 288 | } |
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| 289 | |
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[1797] | 290 | #ifdef ROAR_HAVE_STRTOK_R |
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[1018] | 291 | c = strtok_r(NULL, "&", &sp0); |
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[1797] | 292 | #else |
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| 293 | c = strtok(NULL, "&"); |
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| 294 | #endif |
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[1018] | 295 | } |
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| 296 | |
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[2813] | 297 | if ( roar_simple_connect(&con, server, "roarmonhttp") == -1 ) { |
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| 298 | return 10; |
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| 299 | } |
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[1016] | 300 | |
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[2813] | 301 | if ( roar_stream_new(&s, rate, channels, bits, codec) == -1 ) { |
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| 302 | roar_disconnect(&con); |
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| 303 | return 20; |
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| 304 | } |
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| 305 | |
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| 306 | if ( rel_id != -1 ) { |
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| 307 | if ( roar_stream_set_rel_id(&s, rel_id) ) { |
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| 308 | roar_disconnect(&con); |
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| 309 | return 21; |
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| 310 | } |
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| 311 | } |
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| 312 | |
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| 313 | if ( roar_stream_connect(&con, &s, dir) == -1 ) { |
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| 314 | roar_disconnect(&con); |
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| 315 | return 11; |
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| 316 | } |
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| 317 | |
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| 318 | if ( sflags != ROAR_FLAG_NONE ) { |
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| 319 | if ( roar_stream_set_flags(&con, &s, sflags, 0) == -1 ) { |
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| 320 | roar_disconnect(&con); |
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| 321 | return 14; |
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| 322 | } |
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| 323 | } |
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| 324 | |
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| 325 | if ( roar_stream_exec(&con, &s) == -1 ) { |
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| 326 | roar_disconnect(&con); |
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| 327 | return 12; |
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| 328 | } |
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| 329 | |
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| 330 | if ( (fh = roar_get_connection_fh(&con)) == -1 ) |
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[1016] | 331 | return 1; |
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| 332 | |
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[1632] | 333 | if ( !gopher ) |
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| 334 | print_header(codec, rate, channels); |
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[1017] | 335 | |
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| 336 | /* |
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[1016] | 337 | while((i = read(fh, buf, BUFSIZE))) |
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| 338 | if (write(out, buf, i) != i) |
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| 339 | break; |
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[1017] | 340 | */ |
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| 341 | |
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[1130] | 342 | switch (dir) { |
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| 343 | case ROAR_DIR_PLAY: |
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| 344 | stream(fh, ROAR_STDIN); |
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| 345 | break; |
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| 346 | case ROAR_DIR_MONITOR: |
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[2813] | 347 | case ROAR_DIR_THRU: |
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[1130] | 348 | stream(ROAR_STDOUT, fh); |
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| 349 | break; |
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| 350 | } |
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[1016] | 351 | |
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| 352 | roar_simple_close(fh); |
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| 353 | |
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| 354 | return 0; |
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| 355 | } |
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| 356 | |
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| 357 | //ll |
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