1 | //ctl.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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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, 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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38 | int roar_get_clientid (struct roar_connection * con) { |
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39 | struct roar_message mes; |
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40 | |
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41 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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42 | |
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43 | mes.cmd = ROAR_CMD_WHOAMI; |
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44 | mes.stream = -1; |
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45 | mes.datalen = 0; |
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46 | |
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47 | if ( roar_req(con, &mes, NULL) == -1 ) |
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48 | return -1; |
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49 | |
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50 | if ( mes.cmd != ROAR_CMD_OK ) |
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51 | return -1; |
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52 | |
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53 | if ( mes.datalen != 1 ) |
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54 | return -1; |
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55 | |
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56 | return mes.data[0]; |
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57 | } |
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58 | |
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59 | int roar_server_oinfo (struct roar_connection * con, struct roar_stream * s, int dir) { |
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60 | struct roar_message mes; |
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61 | |
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62 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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63 | |
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64 | mes.cmd = ROAR_CMD_SERVER_OINFO; |
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65 | |
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66 | if ( dir == -1 ) { |
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67 | mes.datalen = 0; |
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68 | } else { |
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69 | mes.datalen = 2; |
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70 | mes.data[0] = 0; |
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71 | mes.data[1] = dir; |
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72 | } |
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73 | |
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74 | if ( roar_req(con, &mes, NULL) == -1 ) |
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75 | return -1; |
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76 | |
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77 | if ( mes.cmd != ROAR_CMD_OK ) |
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78 | return -1; |
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79 | |
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80 | if ( roar_stream_m2s(s, &mes) == -1 ) |
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81 | return -1; |
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82 | |
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83 | return 0; |
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84 | } |
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85 | |
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86 | int roar_get_standby (struct roar_connection * con) { |
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87 | struct roar_message mes; |
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88 | |
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89 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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90 | |
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91 | mes.cmd = ROAR_CMD_GET_STANDBY; |
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92 | mes.stream = -1; |
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93 | mes.datalen = 0; |
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94 | |
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95 | if ( roar_req(con, &mes, NULL) == -1 ) |
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96 | return -1; |
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97 | |
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98 | if ( mes.cmd != ROAR_CMD_OK ) |
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99 | return -1; |
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100 | |
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101 | return ROAR_NET2HOST16(*((uint16_t*)mes.data)); |
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102 | } |
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103 | |
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104 | int roar_set_standby (struct roar_connection * con, int state) { |
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105 | struct roar_message mes; |
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106 | |
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107 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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108 | |
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109 | mes.cmd = ROAR_CMD_SET_STANDBY; |
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110 | mes.stream = -1; |
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111 | mes.datalen = 2; |
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112 | |
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113 | *((uint16_t*)mes.data) = ROAR_HOST2NET16((unsigned) state); |
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114 | |
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115 | if ( roar_req(con, &mes, NULL) == -1 ) |
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116 | return -1; |
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117 | |
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118 | if ( mes.cmd != ROAR_CMD_OK ) |
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119 | return -1; |
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120 | |
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121 | return 0; |
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122 | } |
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123 | |
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124 | int roar_terminate (struct roar_connection * con, int terminate) { |
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125 | struct roar_message mes; |
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126 | |
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127 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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128 | |
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129 | mes.cmd = ROAR_CMD_EXIT; |
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130 | mes.stream = -1; |
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131 | mes.datalen = 1; |
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132 | mes.data[0] = terminate; |
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133 | |
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134 | if ( roar_req(con, &mes, NULL) == -1 ) |
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135 | return -1; |
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136 | |
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137 | if ( mes.cmd != ROAR_CMD_OK ) |
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138 | return -1; |
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139 | |
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140 | return 0; |
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141 | } |
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142 | |
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143 | int roar_list_filtered(struct roar_connection * con, int * items, int max, int cmd, unsigned char filter, unsigned char cmp, uint32_t id) { |
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144 | struct roar_message m; |
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145 | |
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146 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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147 | |
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148 | roar_ctl_f2m(&m, filter, cmp, id); |
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149 | m.cmd = cmd; |
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150 | |
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151 | if ( roar_req(con, &m, NULL) == -1 ) |
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152 | return -1; |
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153 | |
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154 | return roar_ctl_m2ia(&m, items, max); |
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155 | } |
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156 | |
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157 | int roar_list (struct roar_connection * con, int * items, int max, int cmd) { |
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158 | return roar_list_filtered(con, items, max, cmd, ROAR_CTL_FILTER_ANY, ROAR_CTL_CMP_ANY, ROAR_CTL_FILTER_ANY); |
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159 | } |
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160 | |
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161 | int roar_get_client (struct roar_connection * con, struct roar_client * client, int id) { |
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162 | struct roar_message m; |
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163 | |
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164 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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165 | |
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166 | m.cmd = ROAR_CMD_GET_CLIENT; |
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167 | m.stream = -1; |
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168 | m.datalen = 1; |
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169 | m.data[0] = id; |
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170 | |
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171 | ROAR_DBG("roar_get_client(*): id = %i", id); |
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172 | |
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173 | if ( roar_req(con, &m, NULL) == -1 ) |
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174 | return -1; |
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175 | |
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176 | if ( m.cmd != ROAR_CMD_OK ) |
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177 | return -1; |
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178 | |
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179 | ROAR_DBG("roar_get_client(*): got ok"); |
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180 | |
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181 | return roar_ctl_m2c(&m, client); |
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182 | } |
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183 | |
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184 | int roar_get_stream (struct roar_connection * con, struct roar_stream * stream, int id) { |
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185 | struct roar_message m; |
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186 | |
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187 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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188 | |
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189 | m.cmd = ROAR_CMD_GET_STREAM; |
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190 | m.datalen = 1; |
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191 | m.data[0] = id; |
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192 | |
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193 | roar_err_set(ROAR_ERROR_UNKNOWN); |
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194 | |
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195 | if ( roar_req(con, &m, NULL) == -1 ) { |
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196 | roar_err_set(ROAR_ERROR_PROTO); |
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197 | return -1; |
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198 | } |
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199 | |
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200 | if ( m.cmd != ROAR_CMD_OK ) |
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201 | return -1; |
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202 | |
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203 | return roar_stream_m2s(stream, &m); |
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204 | } |
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205 | |
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206 | int roar_kick (struct roar_connection * con, int type, int id) { |
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207 | struct roar_message m; |
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208 | uint16_t * info = (uint16_t *) m.data; |
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209 | |
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210 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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211 | |
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212 | m.cmd = ROAR_CMD_KICK; |
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213 | m.datalen = 4; |
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214 | info[0] = ROAR_HOST2NET16(type); |
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215 | info[1] = ROAR_HOST2NET16(id); |
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216 | |
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217 | if ( roar_req(con, &m, NULL) == -1 ) |
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218 | return -1; |
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219 | |
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220 | if ( m.cmd != ROAR_CMD_OK ) |
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221 | return -1; |
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222 | |
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223 | return 0; |
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224 | } |
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225 | |
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226 | int roar_set_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int channels, int mode) { |
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227 | struct roar_message m; |
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228 | uint16_t * info = (uint16_t *) m.data; |
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229 | int i; |
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230 | |
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231 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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232 | |
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233 | m.cmd = ROAR_CMD_SET_VOL; |
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234 | m.datalen = (3 + channels) * 2; |
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235 | m.stream = id; |
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236 | info[0] = ROAR_HOST2NET16(1); |
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237 | info[1] = ROAR_HOST2NET16(mixer->scale); |
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238 | info[2] = ROAR_HOST2NET16(mode); |
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239 | |
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240 | for (i = 0; i < channels; i++) |
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241 | info[i+3] = ROAR_HOST2NET16(mixer->mixer[i]); |
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242 | |
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243 | if ( roar_req(con, &m, NULL) == -1 ) |
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244 | return -1; |
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245 | |
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246 | if ( m.cmd != ROAR_CMD_OK ) |
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247 | return -1; |
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248 | |
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249 | return 0; |
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250 | } |
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251 | |
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252 | int roar_get_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int * channels) { |
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253 | struct roar_message m; |
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254 | uint16_t * info = (uint16_t *) m.data; |
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255 | int i; |
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256 | |
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257 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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258 | |
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259 | m.cmd = ROAR_CMD_GET_VOL; |
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260 | m.datalen = 2*2; |
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261 | m.stream = id; |
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262 | |
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263 | info[0] = ROAR_HOST2NET16(1); |
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264 | |
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265 | if ( roar_req(con, &m, NULL) == -1 ) |
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266 | return -1; |
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267 | |
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268 | if ( m.cmd != ROAR_CMD_OK ) |
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269 | return -1; |
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270 | |
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271 | if ( ROAR_NET2HOST16(info[0]) != 1 ) |
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272 | return -1; |
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273 | |
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274 | info[1] = ROAR_NET2HOST16(info[1]); |
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275 | |
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276 | if ( channels != NULL ) |
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277 | *channels = info[1]; |
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278 | |
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279 | if ( info[1] > ROAR_MAX_CHANNELS ) |
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280 | return -1; |
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281 | |
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282 | mixer->scale = ROAR_NET2HOST16(info[2]); |
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283 | mixer->rpg_mul = ROAR_NET2HOST16(info[3]); |
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284 | mixer->rpg_div = ROAR_NET2HOST16(info[4]); |
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285 | |
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286 | for (i = 0; i < info[1]; i++) |
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287 | mixer->mixer[i] = ROAR_NET2HOST16(info[i+5]); |
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288 | |
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289 | return 0; |
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290 | } |
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291 | |
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292 | // converts: *_m2*, *_*2m |
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293 | |
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294 | int roar_ctl_f2m (struct roar_message * m, unsigned char filter, unsigned char cmp, uint32_t id) { |
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295 | |
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296 | m->datalen = 7; |
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297 | |
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298 | m->data[0] = 0; |
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299 | m->data[1] = filter; |
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300 | m->data[2] = cmp; |
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301 | m->data[3] = (id & 0xFF000000LU) >> 24; |
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302 | m->data[4] = (id & 0x00FF0000LU) >> 16; |
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303 | m->data[5] = (id & 0x0000FF00LU) >> 8; |
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304 | m->data[6] = (id & 0x000000FFLU) >> 0; |
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305 | |
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306 | return 0; |
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307 | } |
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308 | int roar_ctl_m2f (struct roar_message * m, unsigned char * filter, unsigned char * cmp, uint32_t * id) { |
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309 | register uint32_t idreg; |
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310 | |
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311 | if ( m->datalen != 7 ) |
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312 | return -1; |
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313 | |
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314 | if ( m->data[0] != 0 ) { |
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315 | ROAR_DBG("roar_ctl_m2f(*): version %i not supported!", (int)m->data[0]); |
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316 | roar_err_set(ROAR_ERROR_NSVERSION); |
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317 | return -1; |
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318 | } |
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319 | |
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320 | *filter = m->data[1]; |
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321 | *cmp = m->data[2]; |
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322 | |
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323 | idreg = ((uint32_t)(unsigned char)m->data[3]) << 24; |
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324 | idreg |= ((uint32_t)(unsigned char)m->data[4]) << 16; |
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325 | idreg |= ((uint32_t)(unsigned char)m->data[5]) << 8; |
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326 | idreg |= ((uint32_t)(unsigned char)m->data[6]) << 0; |
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327 | *id = idreg; |
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328 | |
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329 | return 0; |
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330 | } |
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331 | |
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332 | int roar_filter_match (const unsigned cmp, const uint32_t a, const uint32_t b) { |
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333 | switch (cmp) { |
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334 | case ROAR_CTL_CMP_ANY: |
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335 | return 1; |
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336 | break; |
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337 | case ROAR_CTL_CMP_EQ: |
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338 | return a == b; |
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339 | break; |
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340 | case ROAR_CTL_CMP_NE: |
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341 | return a != b; |
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342 | break; |
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343 | default: |
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344 | roar_err_set(ROAR_ERROR_NOTSUP); |
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345 | return -1; |
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346 | } |
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347 | } |
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348 | |
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349 | int roar_ctl_ia2m (struct roar_message * m, int * data, size_t len) { |
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350 | size_t i; |
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351 | |
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352 | if ( len > LIBROAR_BUFFER_MSGDATA ) { |
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353 | roar_err_set(ROAR_ERROR_MSGSIZE); |
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354 | return -1; |
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355 | } |
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356 | |
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357 | m->datalen = len; |
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358 | |
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359 | for (i = 0; i < len; i++) |
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360 | m->data[i] = data[i]; |
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361 | |
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362 | return 0; |
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363 | } |
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364 | int roar_ctl_m2ia (struct roar_message * m, int * data, size_t len) { |
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365 | size_t i; |
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366 | |
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367 | if ( m->datalen > len ) { |
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368 | roar_err_set(ROAR_ERROR_MSGSIZE); |
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369 | return -1; |
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370 | } |
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371 | |
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372 | for (i = 0; i < m->datalen; i++) |
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373 | data[i] = m->data[i]; |
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374 | |
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375 | return m->datalen; |
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376 | } |
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377 | |
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378 | int roar_ctl_c2m (struct roar_message * m, struct roar_client * c) { |
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379 | int cur = 0; |
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380 | int h; |
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381 | int i; |
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382 | int max_len; |
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383 | uint32_t pid; |
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384 | signed long int len_rest; |
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385 | size_t nnode_len; |
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386 | |
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387 | if ( c == NULL ) |
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388 | return -1; |
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389 | |
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390 | m->data[cur++] = 0; // 0: Version |
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391 | m->data[cur++] = c->execed; // 1: execed |
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392 | |
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393 | h = 0; |
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394 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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395 | if ( c->streams[i] != -1 ) |
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396 | m->data[cur+1+h++] = c->streams[i]; |
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397 | } |
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398 | |
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399 | m->data[cur++] = h; // 2: num of streams |
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400 | cur += h; |
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401 | |
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402 | max_len = strlen(c->name); |
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403 | |
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404 | // TODO: add some code to check if this fits in the pkg |
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405 | // NOTE: add this code after we are sure how long this pkg will be |
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406 | // and fully decieded about this function. |
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407 | |
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408 | m->data[cur++] = max_len; |
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409 | |
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410 | strncpy((m->data)+cur, c->name, max_len); |
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411 | |
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412 | cur += max_len; |
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413 | |
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414 | pid = ROAR_HOST2NET32(c->pid); |
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415 | memcpy(&(m->data[cur]), &pid, 4); |
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416 | cur += 4; |
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417 | |
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418 | pid = ROAR_HOST2NET32(c->uid); |
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419 | memcpy(&(m->data[cur]), &pid, 4); |
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420 | cur += 4; |
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421 | |
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422 | pid = ROAR_HOST2NET32(c->gid); |
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423 | memcpy(&(m->data[cur]), &pid, 4); |
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424 | cur += 4; |
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425 | |
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426 | pid = ROAR_HOST2NET32(c->proto); |
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427 | memcpy(&(m->data[cur]), &pid, 4); |
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428 | cur += 4; |
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429 | |
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430 | pid = ROAR_HOST2NET32(c->byteorder); |
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431 | memcpy(&(m->data[cur]), &pid, 4); |
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432 | cur += 4; |
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433 | |
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434 | len_rest = (long int)sizeof(m->data) - (long int)cur; |
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435 | if ( len_rest < 0 ) { |
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436 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
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437 | } |
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438 | |
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439 | nnode_len = len_rest; |
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440 | if ( roar_nnode_to_blob(&(c->nnode), &(m->data[cur]), &nnode_len) == 0 ) { |
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441 | cur += nnode_len; |
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442 | } |
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443 | |
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444 | m->datalen = cur; |
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445 | |
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446 | return 0; |
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447 | } |
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448 | |
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449 | int roar_ctl_m2c (struct roar_message * m, struct roar_client * c) { |
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450 | uint32_t pid; |
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451 | size_t len; |
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452 | size_t cur; |
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453 | int i; |
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454 | |
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455 | if ( m == NULL || c == NULL ) { |
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456 | roar_err_set(ROAR_ERROR_FAULT); |
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457 | return -1; |
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458 | } |
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459 | |
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460 | if ( m->datalen == 0 ) { |
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461 | roar_err_set(ROAR_ERROR_MSGSIZE); |
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462 | return -1; |
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463 | } |
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464 | |
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465 | ROAR_DBG("roar_ctl_m2c(*): got data!, len = %i", m->datalen); |
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466 | |
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467 | if ( m->data[0] != 0 ) { |
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468 | ROAR_DBG("roar_ctl_m2c(*): wrong version!"); |
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469 | roar_err_set(ROAR_ERROR_NSVERSION); |
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470 | return -1; |
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471 | } |
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472 | |
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473 | if ( m->datalen < 3 ) { |
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474 | roar_err_set(ROAR_ERROR_MSGSIZE); |
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475 | return -1; |
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476 | } |
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477 | |
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478 | ROAR_DBG("roar_ctl_m2c(*): have usable data!"); |
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479 | |
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480 | c->execed = m->data[1]; |
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481 | |
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482 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) |
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483 | c->streams[i] = -1; |
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484 | |
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485 | if ( m->data[2] < 0 || m->data[2] > ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT ) { |
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486 | roar_err_set(ROAR_ERROR_TOOMANYARGS); |
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487 | return -1; |
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488 | } |
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489 | |
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490 | for (i = 0; i < m->data[2]; i++) |
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491 | c->streams[i] = m->data[3+i]; |
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492 | |
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493 | cur = 3 + m->data[2]; |
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494 | |
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495 | strncpy(c->name, (m->data)+cur+1, m->data[cur]); |
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496 | c->name[(int)m->data[cur]] = 0; |
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497 | |
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498 | cur += m->data[cur] + 1; |
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499 | |
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500 | memcpy(&pid, &(m->data[cur]), 4); |
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501 | c->pid = ROAR_NET2HOST32(pid); |
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502 | cur += 4; |
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503 | |
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504 | memcpy(&pid, &(m->data[cur]), 4); |
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505 | c->uid = ROAR_NET2HOST32(pid); |
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506 | cur += 4; |
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507 | |
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508 | memcpy(&pid, &(m->data[cur]), 4); |
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509 | c->gid = ROAR_NET2HOST32(pid); |
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510 | cur += 4; |
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511 | |
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512 | if ( m->datalen >= cur+4 ) { |
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513 | memcpy(&pid, &(m->data[cur]), 4); |
---|
514 | c->proto = ROAR_NET2HOST32(pid); |
---|
515 | cur += 4; |
---|
516 | } else { |
---|
517 | c->proto = ROAR_PROTO_NONE; |
---|
518 | } |
---|
519 | |
---|
520 | if ( m->datalen >= cur+4 ) { |
---|
521 | memcpy(&pid, &(m->data[cur]), 4); |
---|
522 | c->byteorder = ROAR_NET2HOST32(pid); |
---|
523 | cur += 4; |
---|
524 | } else { |
---|
525 | c->byteorder = ROAR_BYTEORDER_UNKNOWN; |
---|
526 | } |
---|
527 | |
---|
528 | if ( m->datalen > cur ) { |
---|
529 | len = m->datalen - cur; |
---|
530 | if ( roar_nnode_from_blob(&(c->nnode), &(m->data[cur]), &len) == 0 ) { |
---|
531 | cur += len; |
---|
532 | } else { |
---|
533 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
---|
534 | return -1; |
---|
535 | } |
---|
536 | } else { |
---|
537 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
---|
538 | return -1; |
---|
539 | } |
---|
540 | |
---|
541 | return 0; |
---|
542 | } |
---|
543 | |
---|
544 | static struct { |
---|
545 | int id; |
---|
546 | const char * name; |
---|
547 | } _proto[] = { |
---|
548 | {ROAR_PROTO_NONE, "none"}, |
---|
549 | {ROAR_PROTO_ROARAUDIO, "RoarAudio"}, |
---|
550 | {ROAR_PROTO_ESOUND, "EsounD"}, |
---|
551 | {ROAR_PROTO_ESOUND, "ESD"}, // alias |
---|
552 | {ROAR_PROTO_AUTO, "(auto)"}, |
---|
553 | {ROAR_PROTO_HTTP, "http"}, |
---|
554 | {ROAR_PROTO_GOPHER, "gopher"}, |
---|
555 | {ROAR_PROTO_ICY, "ICY"}, |
---|
556 | {ROAR_PROTO_SIMPLE, "Simple"}, |
---|
557 | {ROAR_PROTO_RSOUND, "RSound"}, |
---|
558 | {ROAR_PROTO_RPLAY, "RPlay"}, |
---|
559 | {ROAR_PROTO_IRC, "IRC"}, |
---|
560 | {ROAR_PROTO_DCC, "DCC"}, |
---|
561 | {ROAR_PROTO_ECHO, "Echo"}, |
---|
562 | {ROAR_PROTO_DISCARD, "Discard"}, |
---|
563 | {ROAR_PROTO_WHOIS, "Whois"}, |
---|
564 | {ROAR_PROTO_FINGER, "Finger"}, |
---|
565 | {ROAR_PROTO_QUOTE, "quote"}, |
---|
566 | {ROAR_PROTO_DAYTIME, "daytime"}, |
---|
567 | {ROAR_PROTO_GAME, "game"}, |
---|
568 | {ROAR_PROTO_TELNET, "telnet"}, |
---|
569 | {ROAR_PROTO_DHCP, "dhcp"}, |
---|
570 | {ROAR_PROTO_SSH, "ssh"}, |
---|
571 | {ROAR_PROTO_TIME, "time"}, |
---|
572 | {ROAR_PROTO_RLOGIN, "rlogin"}, |
---|
573 | {-1, NULL} |
---|
574 | }; |
---|
575 | |
---|
576 | int roar_str2proto (const char * proto) { |
---|
577 | size_t i; |
---|
578 | |
---|
579 | for (i = 0; _proto[i].id != -1; i++) |
---|
580 | if ( !strcasecmp(proto, _proto[i].name) ) |
---|
581 | return _proto[i].id; |
---|
582 | |
---|
583 | roar_err_set(ROAR_ERROR_NOENT); |
---|
584 | return -1; |
---|
585 | } |
---|
586 | |
---|
587 | const char * roar_proto2str (const int proto) { |
---|
588 | size_t i; |
---|
589 | |
---|
590 | roar_err_set(ROAR_ERROR_NONE); |
---|
591 | |
---|
592 | for (i = 0; _proto[i].id != -1; i++) |
---|
593 | if ( proto == _proto[i].id ) |
---|
594 | return _proto[i].name; |
---|
595 | |
---|
596 | roar_err_set(ROAR_ERROR_NOENT); |
---|
597 | return "(unknown)"; |
---|
598 | } |
---|
599 | |
---|
600 | int roar_str2byteorder (const char * byteorder) { |
---|
601 | if ( !strcasecmp(byteorder, "le") || !strcasecmp(byteorder, "little") || |
---|
602 | !strcasecmp(byteorder, "little endian") || !strcasecmp(byteorder, "1234") ) { |
---|
603 | return ROAR_BYTEORDER_LE; |
---|
604 | } else if ( !strcasecmp(byteorder, "be") || !strcasecmp(byteorder, "big") || |
---|
605 | !strcasecmp(byteorder, "big endian") || !strcasecmp(byteorder, "4321") ) { |
---|
606 | return ROAR_BYTEORDER_BE; |
---|
607 | } else if ( !strcasecmp(byteorder, "pdp") || |
---|
608 | !strcasecmp(byteorder, "pdp endian") ) { |
---|
609 | return ROAR_BYTEORDER_PDP; |
---|
610 | } else if ( !strcasecmp(byteorder, "network") || |
---|
611 | !strcasecmp(byteorder, "network byteorder") ) { |
---|
612 | return ROAR_BYTEORDER_NETWORK; |
---|
613 | } |
---|
614 | |
---|
615 | roar_err_set(ROAR_ERROR_NOENT); |
---|
616 | return -1; |
---|
617 | } |
---|
618 | |
---|
619 | const char * roar_byteorder2str (const int byteorder) { |
---|
620 | switch (byteorder) { |
---|
621 | case ROAR_BYTEORDER_LE: return "little endian"; break; |
---|
622 | case ROAR_BYTEORDER_BE: return "big endian"; break; |
---|
623 | case ROAR_BYTEORDER_PDP: return "pdp endian"; break; |
---|
624 | // case ROAR_BYTEORDER_NETWORK: return "network"; break; |
---|
625 | default: |
---|
626 | return "(unknown)"; |
---|
627 | } |
---|
628 | } |
---|
629 | |
---|
630 | // grep '^#define ROAR_OT_' roaraudio/proto.h | cut -d' ' -f2 | sed 's/^\(ROAR_OT_\)\(.*\)$/ {\1\2, "\2"},/' |
---|
631 | static struct { |
---|
632 | const int ot; |
---|
633 | const char * name; |
---|
634 | } _libroar_ot[] = { |
---|
635 | {ROAR_OT_CLIENT, "client"}, |
---|
636 | {ROAR_OT_STREAM, "stream"}, |
---|
637 | {ROAR_OT_SOURCE, "source"}, |
---|
638 | {ROAR_OT_SAMPLE, "sample"}, |
---|
639 | {ROAR_OT_OUTPUT, "output"}, |
---|
640 | {ROAR_OT_MIXER, "mixer"}, |
---|
641 | {ROAR_OT_BRIDGE, "bridge"}, |
---|
642 | {ROAR_OT_LISTEN, "listen"}, |
---|
643 | {ROAR_OT_ACTION, "action"}, |
---|
644 | {ROAR_OT_MSGQUEUE, "msgqueue"}, |
---|
645 | {ROAR_OT_MSGBUS, "msgbus"}, |
---|
646 | {-1, NULL} |
---|
647 | }; |
---|
648 | |
---|
649 | int roar_str2ot (const char * ot) { |
---|
650 | int i; |
---|
651 | |
---|
652 | for (i = 0; _libroar_ot[i].ot != -1; i++) |
---|
653 | if ( !strcasecmp(ot, _libroar_ot[i].name) ) |
---|
654 | return _libroar_ot[i].ot; |
---|
655 | |
---|
656 | roar_err_set(ROAR_ERROR_NOENT); |
---|
657 | return -1; |
---|
658 | } |
---|
659 | |
---|
660 | const char * roar_ot2str (const int ot) { |
---|
661 | int i; |
---|
662 | |
---|
663 | for (i = 0; _libroar_ot[i].ot != -1; i++) |
---|
664 | if ( _libroar_ot[i].ot == ot ) |
---|
665 | return _libroar_ot[i].name; |
---|
666 | |
---|
667 | roar_err_set(ROAR_ERROR_NOENT); |
---|
668 | return NULL; |
---|
669 | } |
---|
670 | |
---|
671 | int roar_conv_volume (struct roar_mixer_settings * dst, struct roar_mixer_settings * src, int dstchans, int srcchans) { |
---|
672 | struct roar_mixer_settings lsrc; |
---|
673 | int i; |
---|
674 | uint_least32_t s; |
---|
675 | |
---|
676 | if ( dst == NULL || src == NULL ) { |
---|
677 | roar_err_set(ROAR_ERROR_FAULT); |
---|
678 | return -1; |
---|
679 | } |
---|
680 | |
---|
681 | if ( dstchans < 0 || srcchans < 0 ) { |
---|
682 | roar_err_set(ROAR_ERROR_INVAL); |
---|
683 | return -1; |
---|
684 | } |
---|
685 | |
---|
686 | if ( dstchans == srcchans ) { |
---|
687 | if ( dst == src ) |
---|
688 | return 0; |
---|
689 | |
---|
690 | memcpy(dst, src, sizeof(struct roar_mixer_settings)); |
---|
691 | return 0; |
---|
692 | } |
---|
693 | |
---|
694 | if ( dst == src ) { |
---|
695 | memcpy(&lsrc, src, sizeof(lsrc)); |
---|
696 | src = &lsrc; |
---|
697 | } |
---|
698 | |
---|
699 | // sepcal handling for N->1: |
---|
700 | if ( dstchans == 1 ) { |
---|
701 | s = 0; |
---|
702 | |
---|
703 | for (i = 0; i < srcchans; i++) |
---|
704 | s += src->mixer[i]; |
---|
705 | |
---|
706 | dst->mixer[0] = s / srcchans; |
---|
707 | } else { |
---|
708 | switch (srcchans) { |
---|
709 | case 1: |
---|
710 | for (i = 0; i < dstchans; i++) |
---|
711 | dst->mixer[i] = src->mixer[0]; |
---|
712 | break; |
---|
713 | case 2: |
---|
714 | switch (dstchans) { |
---|
715 | case 3: |
---|
716 | dst->mixer[0] = src->mixer[0]; |
---|
717 | dst->mixer[1] = src->mixer[1]; |
---|
718 | dst->mixer[2] = (src->mixer[0] + src->mixer[1]) / 2; |
---|
719 | break; |
---|
720 | case 4: |
---|
721 | dst->mixer[0] = src->mixer[0]; |
---|
722 | dst->mixer[1] = src->mixer[1]; |
---|
723 | dst->mixer[2] = src->mixer[0]; |
---|
724 | dst->mixer[3] = src->mixer[1]; |
---|
725 | break; |
---|
726 | case 5: |
---|
727 | dst->mixer[0] = src->mixer[0]; |
---|
728 | dst->mixer[1] = src->mixer[1]; |
---|
729 | dst->mixer[2] = (src->mixer[0] + src->mixer[1]) / 2; |
---|
730 | dst->mixer[3] = src->mixer[0]; |
---|
731 | dst->mixer[4] = src->mixer[1]; |
---|
732 | break; |
---|
733 | case 6: |
---|
734 | dst->mixer[0] = src->mixer[0]; |
---|
735 | dst->mixer[1] = src->mixer[1]; |
---|
736 | dst->mixer[2] = (src->mixer[0] + src->mixer[1]) / 2; |
---|
737 | dst->mixer[3] = dst->mixer[2]; |
---|
738 | dst->mixer[4] = src->mixer[0]; |
---|
739 | dst->mixer[5] = src->mixer[1]; |
---|
740 | break; |
---|
741 | default: |
---|
742 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
743 | return -1; |
---|
744 | break; |
---|
745 | } |
---|
746 | break; |
---|
747 | case 3: |
---|
748 | switch (dstchans) { |
---|
749 | case 2: |
---|
750 | dst->mixer[0] = src->mixer[0]; |
---|
751 | dst->mixer[1] = src->mixer[1]; |
---|
752 | break; |
---|
753 | case 4: |
---|
754 | dst->mixer[0] = src->mixer[0]; |
---|
755 | dst->mixer[1] = src->mixer[1]; |
---|
756 | dst->mixer[2] = src->mixer[0]; |
---|
757 | dst->mixer[3] = src->mixer[1]; |
---|
758 | break; |
---|
759 | case 5: |
---|
760 | dst->mixer[0] = src->mixer[0]; |
---|
761 | dst->mixer[1] = src->mixer[1]; |
---|
762 | dst->mixer[2] = src->mixer[2]; |
---|
763 | dst->mixer[3] = src->mixer[0]; |
---|
764 | dst->mixer[4] = src->mixer[1]; |
---|
765 | break; |
---|
766 | case 6: |
---|
767 | dst->mixer[0] = src->mixer[0]; |
---|
768 | dst->mixer[1] = src->mixer[1]; |
---|
769 | dst->mixer[2] = src->mixer[2]; |
---|
770 | dst->mixer[3] = src->mixer[2]; |
---|
771 | dst->mixer[4] = src->mixer[0]; |
---|
772 | dst->mixer[5] = src->mixer[1]; |
---|
773 | break; |
---|
774 | default: |
---|
775 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
776 | return -1; |
---|
777 | break; |
---|
778 | } |
---|
779 | break; |
---|
780 | case 4: |
---|
781 | switch (dstchans) { |
---|
782 | case 2: |
---|
783 | dst->mixer[0] = (src->mixer[0] + src->mixer[2]) / 2; |
---|
784 | dst->mixer[1] = (src->mixer[1] + src->mixer[3]) / 2; |
---|
785 | break; |
---|
786 | case 3: |
---|
787 | dst->mixer[0] = (src->mixer[0] + src->mixer[2]) / 2; |
---|
788 | dst->mixer[1] = (src->mixer[1] + src->mixer[3]) / 2; |
---|
789 | dst->mixer[2] = (dst->mixer[0] + dst->mixer[1]) / 2; |
---|
790 | break; |
---|
791 | case 5: |
---|
792 | dst->mixer[0] = src->mixer[0]; |
---|
793 | dst->mixer[1] = src->mixer[1]; |
---|
794 | dst->mixer[2] = (src->mixer[0] + src->mixer[2] + src->mixer[1] + src->mixer[3]) / 4; |
---|
795 | dst->mixer[3] = src->mixer[2]; |
---|
796 | dst->mixer[4] = src->mixer[3]; |
---|
797 | break; |
---|
798 | case 6: |
---|
799 | dst->mixer[0] = src->mixer[0]; |
---|
800 | dst->mixer[1] = src->mixer[1]; |
---|
801 | dst->mixer[2] = (src->mixer[0] + src->mixer[2] + src->mixer[1] + src->mixer[3]) / 4; |
---|
802 | dst->mixer[3] = dst->mixer[2]; |
---|
803 | dst->mixer[4] = src->mixer[2]; |
---|
804 | dst->mixer[5] = src->mixer[3]; |
---|
805 | break; |
---|
806 | default: |
---|
807 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
808 | return -1; |
---|
809 | break; |
---|
810 | } |
---|
811 | break; |
---|
812 | case 5: |
---|
813 | switch (dstchans) { |
---|
814 | case 2: |
---|
815 | dst->mixer[0] = (src->mixer[0] + src->mixer[3]) / 2; |
---|
816 | dst->mixer[1] = (src->mixer[1] + src->mixer[4]) / 2; |
---|
817 | break; |
---|
818 | case 3: |
---|
819 | dst->mixer[0] = (src->mixer[0] + src->mixer[3]) / 2; |
---|
820 | dst->mixer[1] = (src->mixer[1] + src->mixer[4]) / 2; |
---|
821 | dst->mixer[2] = src->mixer[2]; |
---|
822 | break; |
---|
823 | case 4: |
---|
824 | dst->mixer[0] = src->mixer[0]; |
---|
825 | dst->mixer[1] = src->mixer[1]; |
---|
826 | dst->mixer[2] = src->mixer[3]; |
---|
827 | dst->mixer[3] = src->mixer[4]; |
---|
828 | break; |
---|
829 | case 6: |
---|
830 | dst->mixer[0] = src->mixer[0]; |
---|
831 | dst->mixer[1] = src->mixer[1]; |
---|
832 | dst->mixer[2] = src->mixer[2]; |
---|
833 | dst->mixer[3] = src->mixer[2]; |
---|
834 | dst->mixer[4] = src->mixer[3]; |
---|
835 | dst->mixer[5] = src->mixer[4]; |
---|
836 | break; |
---|
837 | default: |
---|
838 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
839 | return -1; |
---|
840 | break; |
---|
841 | } |
---|
842 | break; |
---|
843 | case 6: |
---|
844 | switch (dstchans) { |
---|
845 | case 2: |
---|
846 | dst->mixer[0] = (src->mixer[0] + src->mixer[4]) / 2; |
---|
847 | dst->mixer[1] = (src->mixer[1] + src->mixer[5]) / 2; |
---|
848 | break; |
---|
849 | case 3: |
---|
850 | dst->mixer[0] = (src->mixer[0] + src->mixer[4]) / 2; |
---|
851 | dst->mixer[1] = (src->mixer[1] + src->mixer[5]) / 2; |
---|
852 | dst->mixer[2] = src->mixer[2]; |
---|
853 | break; |
---|
854 | case 4: |
---|
855 | dst->mixer[0] = src->mixer[0]; |
---|
856 | dst->mixer[1] = src->mixer[1]; |
---|
857 | dst->mixer[2] = src->mixer[4]; |
---|
858 | dst->mixer[3] = src->mixer[5]; |
---|
859 | break; |
---|
860 | case 5: |
---|
861 | dst->mixer[0] = src->mixer[0]; |
---|
862 | dst->mixer[1] = src->mixer[1]; |
---|
863 | dst->mixer[2] = src->mixer[2]; |
---|
864 | dst->mixer[3] = src->mixer[4]; |
---|
865 | dst->mixer[4] = src->mixer[5]; |
---|
866 | break; |
---|
867 | default: |
---|
868 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
869 | return -1; |
---|
870 | break; |
---|
871 | } |
---|
872 | break; |
---|
873 | default: |
---|
874 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
875 | return -1; |
---|
876 | break; |
---|
877 | } |
---|
878 | } |
---|
879 | |
---|
880 | dst->scale = src->scale; |
---|
881 | dst->rpg_mul = src->rpg_mul; |
---|
882 | dst->rpg_div = src->rpg_div; |
---|
883 | |
---|
884 | return 0; |
---|
885 | } |
---|
886 | |
---|
887 | //ll |
---|