1 | //simple.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 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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35 | #include "libroar.h" |
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36 | |
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37 | int roar_simple_connect (struct roar_connection * con, char * server, char * name) { |
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38 | |
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39 | ROAR_DBG("roar_simple_connect(*): trying to connect..."); |
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40 | |
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41 | if ( roar_connect(con, server) == -1 ) { |
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42 | ROAR_DBG("roar_simple_connect(*): roar_connect() faild!"); |
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43 | return -1; |
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44 | } |
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45 | |
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46 | if ( roar_identify(con, name) == -1 ) { |
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47 | ROAR_DBG("roar_simple_connect(*): roar_identify() faild!"); |
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48 | return -1; |
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49 | } |
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50 | |
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51 | if ( roar_auth(con) == -1 ) { |
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52 | ROAR_DBG("roar_simple_connect(*): roar_auth() faild!"); |
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53 | return -1; |
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54 | } |
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55 | |
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56 | return 0; |
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57 | } |
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58 | |
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59 | int roar_simple_stream(int rate, int channels, int bits, int codec, char * server, int dir, char * name) { |
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60 | struct roar_connection con; |
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61 | struct roar_stream s; |
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62 | |
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63 | if ( roar_simple_connect(&con, server, name) == -1 ) { |
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64 | ROAR_DBG("roar_simple_play(*): roar_simple_connect() faild!"); |
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65 | return -1; |
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66 | } |
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67 | |
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68 | if ( roar_stream_new(&s, rate, channels, bits, codec) == -1 ) { |
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69 | roar_disconnect(&con); |
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70 | return -1; |
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71 | } |
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72 | |
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73 | if ( roar_stream_connect(&con, &s, dir) == -1 ) { |
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74 | roar_disconnect(&con); |
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75 | return -1; |
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76 | } |
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77 | |
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78 | if ( roar_stream_exec(&con, &s) == -1 ) { |
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79 | roar_disconnect(&con); |
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80 | return -1; |
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81 | } |
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82 | |
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83 | if ( dir == ROAR_DIR_PLAY ) { |
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84 | shutdown(con.fh, SHUT_RD); |
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85 | } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) { |
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86 | shutdown(con.fh, SHUT_WR); |
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87 | } |
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88 | |
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89 | return con.fh; |
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90 | } |
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91 | |
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92 | int roar_simple_new_stream (struct roar_connection * con, int rate, int channels, int bits, int codec, int dir) { |
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93 | struct roar_stream s; |
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94 | return roar_simple_new_stream_obj(con, &s, rate, channels, bits, codec, dir); |
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95 | } |
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96 | |
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97 | int roar_simple_new_stream_obj (struct roar_connection * con, struct roar_stream * s, int rate, int channels, int bits, int codec, int dir) { |
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98 | struct roar_message mes; |
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99 | char file[80]; |
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100 | int fh = -1, listen; |
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101 | static int count = 0; |
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102 | struct group * grp = NULL; |
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103 | int type = ROAR_SOCKET_TYPE_UNIX; |
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104 | int port = 0; |
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105 | int opt = 1; |
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106 | struct sockaddr_in socket_addr; |
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107 | socklen_t len = sizeof(struct sockaddr_in); |
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108 | |
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109 | if ( getsockname(con->fh, (struct sockaddr *)&socket_addr, &len) == -1 ) { |
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110 | return -1; |
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111 | } |
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112 | |
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113 | if ( socket_addr.sin_family == AF_INET ) { |
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114 | type = ROAR_SOCKET_TYPE_INET; |
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115 | } else if ( socket_addr.sin_family == AF_UNIX ) { |
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116 | type = ROAR_SOCKET_TYPE_UNIX; |
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117 | } else if ( socket_addr.sin_family == AF_DECnet ) { |
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118 | type = ROAR_SOCKET_TYPE_DECNET; |
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119 | } else { |
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120 | return -1; |
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121 | } |
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122 | |
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123 | if ( type == ROAR_SOCKET_TYPE_UNIX ) { |
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124 | sprintf(file, "/tmp/.libroar-simple-stream.%i-%i", getpid(), count++); |
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125 | } else if ( type == ROAR_SOCKET_TYPE_DECNET ) { |
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126 | if ( roar_socket_get_local_nodename() ) { |
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127 | sprintf(file, "%s::roar$TMP%04x%02x", roar_socket_get_local_nodename(), getpid(), count++); |
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128 | } else { |
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129 | return -1; |
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130 | } |
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131 | } else { |
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132 | strcpy(file, inet_ntoa(socket_addr.sin_addr)); |
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133 | } |
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134 | |
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135 | if ( (listen = roar_socket_listen(type, file, port)) == -1 ) { |
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136 | return -1; |
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137 | } |
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138 | |
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139 | if ( type == ROAR_SOCKET_TYPE_INET ) { |
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140 | len = sizeof(struct sockaddr_in); |
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141 | setsockopt(listen, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int)); |
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142 | |
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143 | if ( getsockname(listen, (struct sockaddr *)&socket_addr, &len) == -1 ) { |
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144 | return -1; |
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145 | } |
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146 | port = ROAR_NET2HOST16(socket_addr.sin_port); |
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147 | ROAR_DBG("roar_simple_new_stream_obj(*): port=%i", port); |
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148 | } else if ( type == ROAR_SOCKET_TYPE_UNIX ) { |
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149 | chmod(file, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); |
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150 | |
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151 | grp = getgrnam(ROAR_DEFAULT_SOCKGRP); |
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152 | |
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153 | if ( grp ) |
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154 | chown(file, -1, grp->gr_gid); |
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155 | } else if ( type == ROAR_SOCKET_TYPE_DECNET ) { |
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156 | len = sizeof(struct sockaddr_in); |
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157 | setsockopt(listen, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int)); |
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158 | } |
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159 | |
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160 | if ( roar_stream_new(s, rate, channels, bits, codec) == -1 ) { |
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161 | return -1; |
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162 | } |
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163 | |
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164 | if ( roar_stream_connect(con, s, dir) == -1 ) { |
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165 | return -1; |
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166 | } |
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167 | |
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168 | if ( roar_stream_connect_to_ask(con, s, type, file, port) != -1 ) { |
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169 | |
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170 | if ( (fh = accept(listen, NULL, NULL)) != -1 ) { |
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171 | if ( dir == ROAR_DIR_PLAY ) { |
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172 | shutdown(fh, SHUT_RD); |
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173 | } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) { |
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174 | shutdown(fh, SHUT_WR); |
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175 | } |
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176 | } |
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177 | if ( roar_recv_message(con, &mes, NULL) == -1 ) { |
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178 | close(fh); |
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179 | fh = -1; |
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180 | } else if ( mes.cmd != ROAR_CMD_OK ) { |
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181 | close(fh); |
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182 | fh = -1; |
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183 | } |
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184 | } |
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185 | |
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186 | close(listen); |
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187 | |
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188 | if ( type == ROAR_SOCKET_TYPE_UNIX ) { |
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189 | unlink(file); |
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190 | } |
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191 | |
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192 | s->fh = fh; |
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193 | |
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194 | return fh; |
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195 | } |
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196 | |
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197 | |
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198 | int roar_simple_play_file(char * file, char * server, char * name) { |
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199 | struct roar_connection con; |
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200 | |
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201 | if ( roar_simple_connect(&con, server, name) == -1 ) { |
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202 | return -1; |
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203 | } |
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204 | |
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205 | return roar_file_play(&con, file, 1); // con is closed by this as this stream will be an execed one. |
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206 | } |
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207 | |
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208 | int roar_simple_play(int rate, int channels, int bits, int codec, char * server, char * name) { |
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209 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_PLAY, name); |
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210 | } |
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211 | |
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212 | int roar_simple_monitor(int rate, int channels, int bits, int codec, char * server, char * name) { |
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213 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_MONITOR, name); |
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214 | } |
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215 | |
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216 | int roar_simple_record(int rate, int channels, int bits, int codec, char * server, char * name) { |
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217 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_RECORD, name); |
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218 | } |
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219 | |
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220 | int roar_simple_filter(int rate, int channels, int bits, int codec, char * server, char * name) { |
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221 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_FILTER, name); |
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222 | } |
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223 | |
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224 | |
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225 | int roar_simple_close(int fh) { |
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226 | return close(fh); |
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227 | } |
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228 | |
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229 | int roar_simple_get_standby (int fh) { |
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230 | struct roar_connection con; |
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231 | |
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232 | con.fh = fh; |
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233 | |
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234 | return roar_get_standby(&con); |
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235 | } |
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236 | |
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237 | //ll |
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