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 |
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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_get_clientid (struct roar_connection * con) { |
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38 | struct roar_message mes; |
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39 | |
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40 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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41 | |
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42 | mes.cmd = ROAR_CMD_WHOAMI; |
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43 | mes.datalen = 0; |
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44 | |
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45 | if ( roar_req(con, &mes, NULL) == -1 ) |
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46 | return -1; |
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47 | |
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48 | if ( mes.cmd != ROAR_CMD_OK ) |
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49 | return -1; |
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50 | |
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51 | if ( mes.datalen != 1 ) |
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52 | return -1; |
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53 | |
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54 | return mes.data[0]; |
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55 | } |
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56 | |
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57 | int roar_server_oinfo (struct roar_connection * con, struct roar_stream * sa) { |
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58 | struct roar_message mes; |
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59 | |
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60 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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61 | |
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62 | mes.cmd = ROAR_CMD_SERVER_OINFO; |
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63 | mes.datalen = 0; |
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64 | |
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65 | if ( roar_req(con, &mes, NULL) == -1 ) |
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66 | return -1; |
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67 | |
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68 | if ( mes.cmd != ROAR_CMD_OK ) |
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69 | return -1; |
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70 | |
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71 | if ( roar_stream_m2s(sa, &mes) == -1 ) |
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72 | return -1; |
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73 | |
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74 | return 0; |
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75 | } |
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76 | |
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77 | int roar_get_standby (struct roar_connection * con) { |
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78 | struct roar_message mes; |
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79 | |
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80 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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81 | |
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82 | mes.cmd = ROAR_CMD_GET_STANDBY; |
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83 | mes.datalen = 0; |
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84 | |
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85 | if ( roar_req(con, &mes, NULL) == -1 ) |
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86 | return -1; |
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87 | |
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88 | if ( mes.cmd != ROAR_CMD_OK ) |
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89 | return -1; |
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90 | |
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91 | return ROAR_NET2HOST16(*((uint16_t*)mes.data)); |
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92 | } |
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93 | |
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94 | int roar_set_standby (struct roar_connection * con, int state) { |
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95 | struct roar_message mes; |
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96 | |
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97 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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98 | |
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99 | mes.cmd = ROAR_CMD_SET_STANDBY; |
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100 | mes.datalen = 2; |
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101 | |
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102 | *((uint16_t*)mes.data) = ROAR_HOST2NET16((unsigned) state); |
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103 | |
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104 | if ( roar_req(con, &mes, NULL) == -1 ) |
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105 | return -1; |
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106 | |
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107 | if ( mes.cmd != ROAR_CMD_OK ) |
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108 | return -1; |
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109 | |
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110 | return 0; |
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111 | } |
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112 | |
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113 | int roar_exit (struct roar_connection * con) { |
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114 | return roar_terminate(con, 0); |
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115 | } |
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116 | |
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117 | int roar_terminate (struct roar_connection * con, int terminate) { |
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118 | struct roar_message mes; |
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119 | |
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120 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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121 | |
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122 | mes.cmd = ROAR_CMD_EXIT; |
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123 | mes.datalen = 1; |
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124 | mes.data[0] = terminate; |
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125 | |
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126 | if ( roar_req(con, &mes, NULL) == -1 ) |
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127 | return -1; |
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128 | |
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129 | if ( mes.cmd != ROAR_CMD_OK ) |
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130 | return -1; |
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131 | |
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132 | return 0; |
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133 | } |
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134 | |
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135 | int roar_list (struct roar_connection * con, int * items, int max, int cmd) { |
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136 | struct roar_message m; |
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137 | |
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138 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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139 | |
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140 | roar_ctl_f2m_any(&m); |
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141 | m.cmd = cmd; |
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142 | |
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143 | if ( roar_req(con, &m, NULL) == -1 ) |
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144 | return -1; |
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145 | |
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146 | return roar_ctl_m2ia(&m, items, max); |
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147 | } |
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148 | |
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149 | int roar_get_client (struct roar_connection * con, struct roar_client * client, int id) { |
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150 | struct roar_message m; |
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151 | |
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152 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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153 | |
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154 | m.cmd = ROAR_CMD_GET_CLIENT; |
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155 | m.datalen = 1; |
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156 | m.data[0] = id; |
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157 | |
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158 | ROAR_DBG("roar_get_client(*): id = %i", id); |
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159 | |
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160 | if ( roar_req(con, &m, NULL) == -1 ) |
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161 | return -1; |
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162 | |
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163 | if ( m.cmd != ROAR_CMD_OK ) |
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164 | return -1; |
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165 | |
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166 | ROAR_DBG("roar_get_client(*): got ok"); |
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167 | |
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168 | return roar_ctl_m2c(&m, client); |
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169 | } |
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170 | |
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171 | int roar_get_stream (struct roar_connection * con, struct roar_stream * stream, int id) { |
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172 | struct roar_message m; |
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173 | |
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174 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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175 | |
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176 | m.cmd = ROAR_CMD_GET_STREAM; |
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177 | m.datalen = 1; |
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178 | m.data[0] = id; |
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179 | |
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180 | roar_errno = ROAR_ERROR_UNKNOWN; |
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181 | |
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182 | if ( roar_req(con, &m, NULL) == -1 ) { |
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183 | roar_errno = ROAR_ERROR_PROTO; |
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184 | return -1; |
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185 | } |
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186 | |
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187 | if ( m.cmd != ROAR_CMD_OK ) |
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188 | return -1; |
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189 | |
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190 | return roar_stream_m2s(stream, &m); |
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191 | } |
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192 | |
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193 | int roar_kick (struct roar_connection * con, int type, int id) { |
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194 | struct roar_message m; |
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195 | uint16_t * info = (uint16_t *) m.data; |
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196 | |
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197 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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198 | |
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199 | m.cmd = ROAR_CMD_KICK; |
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200 | m.datalen = 4; |
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201 | info[0] = ROAR_HOST2NET16(type); |
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202 | info[1] = ROAR_HOST2NET16(id); |
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203 | |
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204 | if ( roar_req(con, &m, NULL) == -1 ) |
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205 | return -1; |
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206 | |
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207 | if ( m.cmd != ROAR_CMD_OK ) |
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208 | return -1; |
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209 | |
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210 | return 0; |
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211 | } |
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212 | |
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213 | int roar_set_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int channels) { |
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214 | struct roar_message m; |
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215 | uint16_t * info = (uint16_t *) m.data; |
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216 | int i; |
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217 | |
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218 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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219 | |
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220 | m.cmd = ROAR_CMD_SET_VOL; |
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221 | m.datalen = (3 + channels) * 2; |
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222 | info[0] = 0; |
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223 | info[1] = ROAR_HOST2NET16(id); |
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224 | info[2] = ROAR_HOST2NET16(ROAR_SET_VOL_ALL); |
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225 | |
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226 | for (i = 0; i < channels; i++) |
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227 | info[i+3] = ROAR_HOST2NET16(mixer->mixer[i]); |
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228 | |
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229 | if ( roar_req(con, &m, NULL) == -1 ) |
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230 | return -1; |
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231 | |
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232 | if ( m.cmd != ROAR_CMD_OK ) |
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233 | return -1; |
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234 | |
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235 | return 0; |
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236 | } |
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237 | |
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238 | int roar_get_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int * channels) { |
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239 | struct roar_message m; |
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240 | uint16_t * info = (uint16_t *) m.data; |
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241 | int i; |
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242 | |
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243 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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244 | |
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245 | m.cmd = ROAR_CMD_GET_VOL; |
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246 | m.datalen = 2*2; |
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247 | info[0] = 0; |
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248 | info[1] = ROAR_HOST2NET16(id); |
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249 | |
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250 | if ( roar_req(con, &m, NULL) == -1 ) |
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251 | return -1; |
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252 | |
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253 | if ( m.cmd != ROAR_CMD_OK ) |
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254 | return -1; |
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255 | |
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256 | if ( info[0] != 0 ) |
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257 | return -1; |
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258 | |
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259 | info[1] = ROAR_NET2HOST16(info[1]); |
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260 | |
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261 | if ( channels != NULL ) |
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262 | *channels = info[1]; |
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263 | |
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264 | if ( info[1] > ROAR_MAX_CHANNELS ) |
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265 | return -1; |
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266 | |
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267 | mixer->scale = 65535; |
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268 | mixer->rpg_mul = 1; |
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269 | mixer->rpg_div = 1; |
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270 | |
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271 | for (i = 0; i < info[1]; i++) |
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272 | mixer->mixer[i] = ROAR_NET2HOST16(info[i+2]); |
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273 | |
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274 | return 0; |
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275 | } |
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276 | |
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277 | // converts: *_m2*, *_*2m |
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278 | |
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279 | int roar_ctl_f2m (struct roar_message * m, unsigned char filter, unsigned char cmp, uint32_t id) { |
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280 | |
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281 | m->datalen = 7; |
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282 | |
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283 | m->data[0] = 0; |
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284 | m->data[1] = filter; |
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285 | m->data[2] = cmp; |
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286 | *((uint32_t*)&(m->data[3])) = ROAR_HOST2NET32(id); |
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287 | |
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288 | return 0; |
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289 | } |
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290 | int roar_ctl_m2f (struct roar_message * m, unsigned char * filter, unsigned char * cmp, uint32_t * id) { |
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291 | |
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292 | if ( m->datalen != 7 ) |
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293 | return -1; |
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294 | |
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295 | if ( m->data[0] != 0 ) { |
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296 | ROAR_ERR("roar_ctl_m2f(*): version %i not supported!", m->data[0]); |
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297 | return -1; |
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298 | } |
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299 | |
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300 | *filter = m->data[1]; |
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301 | *cmp = m->data[2]; |
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302 | |
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303 | *id = ROAR_NET2HOST32(*((uint32_t*)&(m->data[3]))); |
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304 | |
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305 | return 0; |
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306 | } |
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307 | |
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308 | int roar_ctl_ia2m (struct roar_message * m, int * data, int len) { |
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309 | int i; |
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310 | |
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311 | if ( len > LIBROAR_BUFFER_MSGDATA ) |
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312 | return -1; |
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313 | |
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314 | m->datalen = len; |
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315 | |
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316 | for (i = 0; i < len; i++) |
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317 | m->data[i] = data[i]; |
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318 | |
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319 | return 0; |
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320 | } |
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321 | int roar_ctl_m2ia (struct roar_message * m, int * data, int len) { |
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322 | int i; |
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323 | |
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324 | if ( m->datalen > len ) |
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325 | return -1; |
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326 | |
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327 | for (i = 0; i < m->datalen; i++) |
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328 | data[i] = m->data[i]; |
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329 | |
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330 | return m->datalen; |
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331 | } |
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332 | |
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333 | int roar_ctl_c2m (struct roar_message * m, struct roar_client * c) { |
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334 | int cur = 0; |
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335 | int h; |
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336 | int i; |
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337 | int max_len; |
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338 | uint32_t pid; |
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339 | size_t len_rest; |
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340 | |
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341 | if ( c == NULL ) |
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342 | return -1; |
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343 | |
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344 | m->data[cur++] = 0; // 0: Version |
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345 | m->data[cur++] = c->execed; // 1: execed |
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346 | |
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347 | h = 0; |
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348 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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349 | if ( c->streams[i] != -1 ) |
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350 | m->data[cur+1+h++] = c->streams[i]; |
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351 | } |
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352 | |
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353 | m->data[cur++] = h; // 2: num of streams |
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354 | cur += h; |
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355 | |
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356 | max_len = strlen(c->name); |
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357 | |
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358 | // TODO: add some code to check if this fits in the pkg |
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359 | // NOTE: add this code after we are sure how long this pkg will be |
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360 | // and fully decieded about this function. |
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361 | |
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362 | m->data[cur++] = max_len; |
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363 | |
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364 | strncpy((m->data)+cur, c->name, max_len); |
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365 | |
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366 | cur += max_len; |
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367 | |
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368 | pid = ROAR_HOST2NET32(c->pid); |
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369 | memcpy(&(m->data[cur]), &pid, 4); |
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370 | cur += 4; |
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371 | |
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372 | pid = ROAR_HOST2NET32(c->uid); |
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373 | memcpy(&(m->data[cur]), &pid, 4); |
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374 | cur += 4; |
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375 | |
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376 | pid = ROAR_HOST2NET32(c->gid); |
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377 | memcpy(&(m->data[cur]), &pid, 4); |
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378 | cur += 4; |
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379 | |
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380 | pid = ROAR_HOST2NET32(c->proto); |
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381 | memcpy(&(m->data[cur]), &pid, 4); |
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382 | cur += 4; |
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383 | |
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384 | pid = ROAR_HOST2NET32(c->byteorder); |
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385 | memcpy(&(m->data[cur]), &pid, 4); |
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386 | cur += 4; |
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387 | |
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388 | len_rest = sizeof(m->data) - cur; |
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389 | if ( roar_nnode_to_blob(&(c->nnode), &(m->data[cur]), &len_rest) == 0 ) { |
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390 | cur += len_rest; |
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391 | } |
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392 | |
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393 | m->datalen = cur; |
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394 | |
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395 | return 0; |
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396 | } |
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397 | |
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398 | int roar_ctl_m2c (struct roar_message * m, struct roar_client * c) { |
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399 | int i; |
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400 | int cur; |
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401 | uint32_t pid; |
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402 | size_t len; |
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403 | |
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404 | if ( m == NULL || c == NULL ) |
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405 | return -1; |
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406 | |
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407 | if ( m->datalen == 0 ) |
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408 | return -1; |
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409 | |
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410 | ROAR_DBG("roar_ctl_m2c(*): got data!, len = %i", m->datalen); |
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411 | |
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412 | if ( m->data[0] != 0 ) { |
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413 | ROAR_DBG("roar_ctl_m2c(*): wrong version!"); |
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414 | return -1; |
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415 | } |
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416 | |
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417 | if ( m->datalen < 3 ) |
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418 | return -1; |
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419 | |
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420 | ROAR_DBG("roar_ctl_m2c(*): have usable data!"); |
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421 | |
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422 | c->execed = m->data[1]; |
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423 | |
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424 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) |
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425 | c->streams[i] = -1; |
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426 | |
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427 | for (i = 0; i < m->data[2]; i++) |
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428 | c->streams[i] = m->data[3+i]; |
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429 | |
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430 | cur = 3 + m->data[2]; |
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431 | |
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432 | strncpy(c->name, (m->data)+cur+1, m->data[cur]); |
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433 | c->name[(int)m->data[cur]] = 0; |
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434 | |
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435 | cur += m->data[cur] + 1; |
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436 | |
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437 | memcpy(&pid, &(m->data[cur]), 4); |
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438 | c->pid = ROAR_NET2HOST32(pid); |
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439 | cur += 4; |
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440 | |
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441 | memcpy(&pid, &(m->data[cur]), 4); |
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442 | c->uid = ROAR_NET2HOST32(pid); |
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443 | cur += 4; |
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444 | |
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445 | memcpy(&pid, &(m->data[cur]), 4); |
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446 | c->gid = ROAR_NET2HOST32(pid); |
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447 | cur += 4; |
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448 | |
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449 | if ( m->datalen >= cur+4 ) { |
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450 | memcpy(&pid, &(m->data[cur]), 4); |
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451 | c->proto = ROAR_NET2HOST32(pid); |
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452 | cur += 4; |
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453 | } else { |
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454 | c->proto = ROAR_PROTO_NONE; |
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455 | } |
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456 | |
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457 | if ( m->datalen >= cur+4 ) { |
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458 | memcpy(&pid, &(m->data[cur]), 4); |
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459 | c->byteorder = ROAR_NET2HOST32(pid); |
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460 | cur += 4; |
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461 | } else { |
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462 | c->byteorder = ROAR_BYTEORDER_UNKNOWN; |
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463 | } |
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464 | |
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465 | if ( m->datalen > cur ) { |
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466 | len = m->datalen - cur; |
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467 | if ( roar_nnode_from_blob(&(c->nnode), &(m->data[cur]), &len) == 0 ) { |
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468 | cur += len; |
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469 | } else { |
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470 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
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471 | return -1; |
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472 | } |
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473 | } else { |
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474 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
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475 | return -1; |
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476 | } |
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477 | |
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478 | return 0; |
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479 | } |
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480 | |
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481 | int roar_str2proto (char * proto) { |
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482 | if ( !strcasecmp(proto, "roar") ) { |
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483 | return ROAR_PROTO_ROARAUDIO; |
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484 | } else if ( !strcasecmp(proto, "roaraudio") ) { |
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485 | return ROAR_PROTO_ROARAUDIO; |
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486 | } else if ( !strcasecmp(proto, "esd") ) { |
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487 | return ROAR_PROTO_ESOUND; |
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488 | } else if ( !strcasecmp(proto, "esound") ) { |
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489 | return ROAR_PROTO_ESOUND; |
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490 | } else if ( !strcasecmp(proto, "auto") ) { |
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491 | return ROAR_PROTO_AUTO; |
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492 | } else if ( !strcasecmp(proto, "(auto)") ) { |
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493 | return ROAR_PROTO_AUTO; |
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494 | } else if ( !strcasecmp(proto, "http") ) { |
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495 | return ROAR_PROTO_HTTP; |
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496 | } else if ( !strcasecmp(proto, "gopher") ) { |
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497 | return ROAR_PROTO_GOPHER; |
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498 | } else if ( !strcasecmp(proto, "icy") ) { |
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499 | return ROAR_PROTO_ICY; |
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500 | } |
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501 | |
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502 | return -1; |
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503 | } |
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504 | |
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505 | char * roar_proto2str (int proto) { |
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506 | switch (proto) { |
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507 | case ROAR_PROTO_ROARAUDIO: return "RoarAudio"; break; |
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508 | case ROAR_PROTO_ESOUND: return "EsounD"; break; |
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509 | case ROAR_PROTO_AUTO: return "(auto)"; break; |
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510 | case ROAR_PROTO_HTTP: return "http"; break; |
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511 | case ROAR_PROTO_GOPHER: return "gopher"; break; |
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512 | case ROAR_PROTO_ICY: return "ICY"; break; |
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513 | default: |
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514 | return "(unknown)"; |
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515 | } |
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516 | } |
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517 | |
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518 | int roar_str2byteorder (char * byteorder) { |
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519 | if ( !strcasecmp(byteorder, "le") || !strcasecmp(byteorder, "little") || |
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520 | !strcasecmp(byteorder, "little endian") || !strcasecmp(byteorder, "1234") ) { |
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521 | return ROAR_BYTEORDER_LE; |
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522 | } else if ( !strcasecmp(byteorder, "be") || !strcasecmp(byteorder, "big") || |
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523 | !strcasecmp(byteorder, "big endian") || !strcasecmp(byteorder, "4321") ) { |
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524 | return ROAR_BYTEORDER_BE; |
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525 | } else if ( !strcasecmp(byteorder, "pdp") || |
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526 | !strcasecmp(byteorder, "pdp endian") ) { |
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527 | return ROAR_BYTEORDER_PDP; |
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528 | } else if ( !strcasecmp(byteorder, "network") || |
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529 | !strcasecmp(byteorder, "network byteorder") ) { |
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530 | return ROAR_BYTEORDER_NETWORK; |
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531 | } |
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532 | |
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533 | return -1; |
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534 | } |
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535 | |
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536 | char * roar_byteorder2str (int byteorder) { |
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537 | switch (byteorder) { |
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538 | case ROAR_BYTEORDER_LE: return "little endian"; break; |
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539 | case ROAR_BYTEORDER_BE: return "big endian"; break; |
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540 | case ROAR_BYTEORDER_PDP: return "pdp endian"; break; |
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541 | // case ROAR_BYTEORDER_NETWORK: return "network"; break; |
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542 | default: |
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543 | return "(unknown)"; |
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544 | } |
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545 | } |
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546 | |
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547 | //ll |
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