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, 2009 |
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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_stream s; |
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61 | |
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62 | return roar_simple_stream_obj(&s, rate, channels, bits, codec, server, dir, name); |
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63 | } |
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64 | |
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65 | int roar_simple_stream_obj (struct roar_stream * s, int rate, int channels, int bits, int codec, char * server, int dir, char * name) { |
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66 | struct roar_connection con; |
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67 | int ret; |
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68 | |
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69 | if ( roar_simple_connect(&con, server, name) == -1 ) { |
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70 | ROAR_DBG("roar_simple_play(*): roar_simple_connect() faild!"); |
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71 | ROAR_ERR("roar_simple_stream(*): Can not connect to server"); |
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72 | return -1; |
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73 | } |
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74 | |
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75 | if ( roar_stream_new(s, rate, channels, bits, codec) == -1 ) { |
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76 | roar_disconnect(&con); |
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77 | return -1; |
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78 | } |
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79 | |
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80 | if ( roar_stream_connect(&con, s, dir) == -1 ) { |
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81 | roar_disconnect(&con); |
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82 | return -1; |
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83 | } |
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84 | |
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85 | if ( roar_stream_exec(&con, s) == -1 ) { |
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86 | roar_disconnect(&con); |
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87 | return -1; |
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88 | } |
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89 | |
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90 | if ( (ret = roar_get_connection_fh(&con)) == -1 ) { |
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91 | roar_disconnect(&con); |
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92 | return -1; |
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93 | } |
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94 | |
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95 | if ( dir == ROAR_DIR_PLAY ) { |
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96 | ROAR_SHUTDOWN(ret, SHUT_RD); |
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97 | } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) { |
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98 | ROAR_SHUTDOWN(ret, SHUT_WR); |
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99 | } |
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100 | |
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101 | return ret; |
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102 | } |
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103 | |
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104 | int roar_simple_new_stream_attachexeced_obj (struct roar_connection * con, struct roar_stream * s, int rate, int channels, int bits, int codec, int dir) { |
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105 | int fh; |
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106 | |
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107 | if ( (fh = roar_simple_stream_obj(s, rate, channels, bits, codec, NULL /* server, we hope this is ok here... */, |
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108 | dir, "libroar temp stream")) == -1 ) |
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109 | return -1; |
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110 | |
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111 | if ( roar_stream_attach_simple(con, s, roar_get_clientid(con)) == -1 ) { |
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112 | #ifdef ROAR_HAVE_IO_POSIX |
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113 | close(fh); |
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114 | #endif /* no else as we return -1 anyway */ |
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115 | return -1; |
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116 | } |
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117 | |
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118 | s->fh = fh; |
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119 | |
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120 | return fh; |
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121 | } |
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122 | |
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123 | int roar_simple_new_stream (struct roar_connection * con, int rate, int channels, int bits, int codec, int dir) { |
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124 | struct roar_stream s; |
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125 | return roar_simple_new_stream_obj(con, &s, rate, channels, bits, codec, dir); |
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126 | } |
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127 | |
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128 | 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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129 | char file[80] = {0}; |
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130 | int fh = -1, listen = -1; |
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131 | static int count = 0; |
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132 | int type = ROAR_SOCKET_TYPE_UNIX; |
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133 | int port = 0; |
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134 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_LIBDNET) |
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135 | int opt = 1; |
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136 | #endif |
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137 | #ifdef ROAR_HAVE_IPV4 |
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138 | struct sockaddr_in socket_addr; |
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139 | socklen_t len = sizeof(struct sockaddr_in); |
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140 | #else |
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141 | struct sockaddr socket_addr; |
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142 | socklen_t len = sizeof(struct sockaddr); |
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143 | #endif |
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144 | #ifdef ROAR_HAVE_SELECT |
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145 | fd_set fds; |
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146 | struct timeval timeout = {10, 0}; |
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147 | struct roar_message mes; |
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148 | #endif |
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149 | #ifdef ROAR_HAVE_UNIX |
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150 | int socks[2]; // for socketpair() |
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151 | #endif |
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152 | |
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153 | #ifdef ROAR_HAVE_BSDSOCKETS |
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154 | if ( getsockname(roar_get_connection_fh(con), (struct sockaddr *)&socket_addr, &len) == -1 ) { |
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155 | return -1; |
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156 | } |
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157 | #else |
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158 | return -1; |
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159 | #endif |
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160 | |
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161 | if ( len == 0 ) { |
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162 | #ifdef ROAR_OS_OPENBSD |
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163 | ROAR_WARN("roar_simple_new_stream_obj(*): Unknown address family: guess AF_UNIX because OS is OpenBSD"); |
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164 | ((struct sockaddr*)&socket_addr)->sa_family = AF_UNIX; |
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165 | #else |
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166 | return -1; |
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167 | #endif |
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168 | } |
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169 | |
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170 | switch (((struct sockaddr*)&socket_addr)->sa_family) { |
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171 | #ifdef ROAR_HAVE_UNIX |
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172 | case AF_UNIX: type = ROAR_SOCKET_TYPE_UNIX; break; |
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173 | #endif |
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174 | #ifdef ROAR_HAVE_IPV4 |
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175 | case AF_INET: type = ROAR_SOCKET_TYPE_INET; break; |
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176 | #endif |
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177 | #ifdef ROAR_HAVE_LIBDNET |
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178 | case AF_DECnet: type = ROAR_SOCKET_TYPE_DECNET; break; |
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179 | #endif |
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180 | default: |
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181 | return -1; |
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182 | break; |
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183 | } |
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184 | |
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185 | if ( type == ROAR_SOCKET_TYPE_DECNET ) { |
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186 | if ( roar_socket_get_local_nodename() ) { |
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187 | snprintf(file, 24,"%s::roar$TMP%04x%02x", roar_socket_get_local_nodename(), getpid(), count++); |
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188 | } else { |
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189 | return -1; |
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190 | } |
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191 | #ifdef ROAR_HAVE_IPV4 |
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192 | } else { |
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193 | strncpy(file, inet_ntoa(socket_addr.sin_addr), 79); |
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194 | #endif |
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195 | } |
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196 | |
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197 | if ( type != ROAR_SOCKET_TYPE_UNIX ) { |
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198 | if ( (listen = roar_socket_listen(type, file, port)) == -1 ) { |
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199 | return -1; |
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200 | } |
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201 | } |
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202 | |
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203 | if ( type == ROAR_SOCKET_TYPE_INET ) { |
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204 | #ifdef ROAR_HAVE_IPV4 |
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205 | len = sizeof(struct sockaddr_in); |
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206 | setsockopt(listen, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int)); |
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207 | |
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208 | if ( getsockname(listen, (struct sockaddr *)&socket_addr, &len) == -1 ) { |
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209 | return -1; |
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210 | } |
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211 | port = ROAR_NET2HOST16(socket_addr.sin_port); |
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212 | ROAR_DBG("roar_simple_new_stream_obj(*): port=%i", port); |
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213 | #else |
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214 | return -1; |
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215 | #endif |
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216 | } else if ( type == ROAR_SOCKET_TYPE_DECNET ) { |
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217 | #ifdef ROAR_HAVE_LIBDNET |
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218 | len = sizeof(struct sockaddr_in); |
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219 | setsockopt(listen, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int)); |
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220 | #else |
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221 | return -1; |
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222 | #endif |
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223 | } |
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224 | |
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225 | if ( roar_stream_new(s, rate, channels, bits, codec) == -1 ) { |
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226 | return -1; |
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227 | } |
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228 | |
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229 | if ( roar_stream_connect(con, s, dir) == -1 ) { |
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230 | return -1; |
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231 | } |
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232 | |
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233 | if ( type != ROAR_SOCKET_TYPE_UNIX ) { |
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234 | #ifdef ROAR_HAVE_SELECT |
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235 | if ( roar_stream_connect_to_ask(con, s, type, file, port) != -1 ) { |
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236 | |
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237 | FD_ZERO(&fds); |
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238 | FD_SET(listen, &fds); |
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239 | |
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240 | if ( select(listen + 1, &fds, &fds, &fds, &timeout) < 1 ) { |
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241 | close(listen); |
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242 | |
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243 | // we don't need to check the content as we know it failed... |
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244 | if ( roar_recv_message(con, &mes, NULL) == -1 ) |
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245 | return -1; |
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246 | |
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247 | if ( roar_kick(con, ROAR_OT_STREAM, s->id) == -1 ) |
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248 | return -1; |
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249 | |
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250 | return roar_simple_new_stream_attachexeced_obj(con, s, rate, channels, bits, codec, dir); |
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251 | } |
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252 | |
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253 | if ( (fh = accept(listen, NULL, NULL)) != -1 ) { |
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254 | /* errr, do we need we any error handling here? */ |
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255 | } |
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256 | if ( roar_recv_message(con, &mes, NULL) == -1 ) { |
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257 | close(fh); |
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258 | fh = -1; |
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259 | } else if ( mes.cmd != ROAR_CMD_OK ) { |
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260 | close(fh); |
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261 | fh = -1; |
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262 | } |
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263 | } |
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264 | |
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265 | close(listen); |
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266 | #else |
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267 | return -1; |
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268 | #endif |
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269 | } else { // this is type == ROAR_SOCKET_TYPE_UNIX |
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270 | #ifdef ROAR_HAVE_UNIX |
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271 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
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272 | roar_kick(con, ROAR_OT_STREAM, s->id); // we do not need to check for errors |
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273 | // as we return -1 in both whys |
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274 | return -1; |
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275 | } |
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276 | |
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277 | if ( roar_stream_passfh(con, s, socks[0]) == -1 ) { |
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278 | roar_kick(con, ROAR_OT_STREAM, s->id); // we do not need to check for errors |
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279 | // as we return -1 in both whys |
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280 | return -1; |
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281 | } |
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282 | |
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283 | close(socks[0]); |
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284 | fh = socks[1]; |
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285 | #else |
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286 | roar_kick(con, ROAR_OT_STREAM, s->id); |
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287 | return -1; |
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288 | #endif |
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289 | } |
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290 | |
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291 | /* |
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292 | if ( type == ROAR_SOCKET_TYPE_UNIX ) { |
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293 | unlink(file); |
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294 | } |
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295 | */ |
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296 | |
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297 | if ( dir == ROAR_DIR_PLAY ) { |
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298 | ROAR_SHUTDOWN(fh, SHUT_RD); |
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299 | } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) { |
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300 | ROAR_SHUTDOWN(fh, SHUT_WR); |
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301 | } |
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302 | |
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303 | s->fh = fh; |
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304 | |
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305 | return fh; |
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306 | } |
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307 | |
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308 | |
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309 | int roar_simple_play_file(char * file, char * server, char * name) { |
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310 | struct roar_connection con; |
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311 | |
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312 | if ( roar_simple_connect(&con, server, name) == -1 ) { |
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313 | return -1; |
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314 | } |
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315 | |
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316 | return roar_file_play(&con, file, 1); // con is closed by this as this stream will be an execed one. |
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317 | } |
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318 | |
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319 | int roar_simple_play(int rate, int channels, int bits, int codec, char * server, char * name) { |
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320 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_PLAY, name); |
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321 | } |
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322 | |
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323 | int roar_simple_monitor(int rate, int channels, int bits, int codec, char * server, char * name) { |
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324 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_MONITOR, name); |
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325 | } |
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326 | |
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327 | int roar_simple_record(int rate, int channels, int bits, int codec, char * server, char * name) { |
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328 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_RECORD, name); |
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329 | } |
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330 | |
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331 | int roar_simple_filter(int rate, int channels, int bits, int codec, char * server, char * name) { |
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332 | return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_FILTER, name); |
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333 | } |
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334 | |
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335 | |
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336 | int roar_simple_close(int fh) { |
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337 | #ifdef ROAR_HAVE_IO_POSIX |
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338 | return close(fh); |
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339 | #else |
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340 | return -1; |
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341 | #endif |
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342 | } |
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343 | |
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344 | int roar_simple_get_standby (int fh) { |
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345 | struct roar_connection con; |
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346 | |
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347 | if ( roar_connect_fh(&con, fh) == -1 ) |
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348 | return -1; |
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349 | |
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350 | return roar_get_standby(&con); |
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351 | } |
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352 | |
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353 | //ll |
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