1 | //client.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2012 |
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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_client_new (struct roar_client * client) { |
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39 | int i; |
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40 | |
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41 | if ( client == NULL ) { |
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42 | roar_err_set(ROAR_ERROR_FAULT); |
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43 | return -1; |
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44 | } |
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45 | |
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46 | memset(client, 0, sizeof(struct roar_client)); |
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47 | |
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48 | client->fh = -1; |
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49 | client->pid = -1; |
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50 | client->uid = -1; |
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51 | client->gid = -1; |
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52 | client->proto = ROAR_PROTO_ROARAUDIO; |
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53 | client->byteorder = ROAR_BYTEORDER_NETWORK; |
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54 | |
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55 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) |
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56 | client->streams[i] = -1; |
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57 | |
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58 | return 0; |
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59 | } |
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60 | |
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61 | int roar_client_set_fh (struct roar_client * client, int fh) { |
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62 | if ( client == NULL ) { |
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63 | roar_err_set(ROAR_ERROR_FAULT); |
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64 | return -1; |
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65 | } |
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66 | |
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67 | client->fh = fh; |
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68 | |
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69 | return 0; |
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70 | } |
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71 | |
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72 | int roar_client_set_proto(struct roar_client * client, int proto, int byteorder) { |
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73 | if ( client == NULL ) { |
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74 | roar_err_set(ROAR_ERROR_FAULT); |
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75 | return -1; |
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76 | } |
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77 | |
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78 | client->proto = proto; |
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79 | |
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80 | if ( byteorder != -1 ) { |
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81 | client->byteorder = byteorder; |
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82 | } else { |
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83 | switch (proto) { |
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84 | case ROAR_PROTO_ROARAUDIO: |
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85 | client->byteorder = ROAR_BYTEORDER_NETWORK; |
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86 | break; |
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87 | default: |
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88 | roar_err_set(ROAR_ERROR_INVAL); |
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89 | return -1; |
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90 | break; |
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91 | } |
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92 | } |
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93 | |
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94 | return 0; |
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95 | } |
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96 | |
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97 | int roar_client_pass (struct roar_connection * con, struct roar_client * client, uint16_t flags) { |
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98 | struct roar_message m; |
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99 | int16_t * d = (int16_t *)m.data; |
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100 | int confh; |
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101 | int i; |
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102 | |
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103 | if ( con == NULL || client == NULL ) { |
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104 | roar_err_set(ROAR_ERROR_FAULT); |
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105 | return -1; |
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106 | } |
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107 | |
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108 | memset(&m, 0, sizeof(m)); |
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109 | |
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110 | m.cmd = ROAR_CMD_PASSFH; |
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111 | m.stream = -1; // client (non-stream) passs |
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112 | m.pos = 0; |
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113 | m.datalen = 4*2; |
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114 | |
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115 | d[0] = 0; // version |
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116 | d[1] = flags; |
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117 | d[2] = client->proto; |
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118 | d[3] = client->byteorder; |
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119 | |
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120 | for (i = 0; i < 4; i++) |
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121 | d[i] = ROAR_HOST2NET16(d[i]); |
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122 | |
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123 | if ( (confh = roar_get_connection_fh(con)) == -1 ) |
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124 | return -1; |
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125 | |
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126 | if ( roar_send_message(con, &m, NULL) == -1 ) { |
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127 | return -1; |
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128 | } |
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129 | |
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130 | if ( roar_socket_send_fh(confh, client->fh, NULL, 0) == -1 ) |
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131 | return -1; |
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132 | |
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133 | if ( roar_recv_message(con, &m, NULL) == -1 ) |
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134 | return -1; |
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135 | |
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136 | if ( m.cmd == ROAR_CMD_OK ) |
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137 | return 0; |
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138 | |
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139 | return -1; |
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140 | } |
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141 | |
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142 | int roar_client_exec (struct roar_connection * con, struct roar_client * client, uint16_t flags) { |
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143 | struct roar_message m; |
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144 | int16_t * d = (int16_t *)m.data; |
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145 | int i; |
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146 | |
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147 | if ( con == NULL || client == NULL ) { |
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148 | roar_err_set(ROAR_ERROR_FAULT); |
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149 | return -1; |
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150 | } |
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151 | |
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152 | memset(&m, 0, sizeof(m)); |
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153 | |
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154 | m.cmd = ROAR_CMD_EXEC_STREAM; |
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155 | m.stream = -1; // client (non-stream) passs |
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156 | m.pos = 0; |
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157 | m.datalen = 4*2; |
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158 | |
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159 | d[0] = 0; // version |
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160 | d[1] = flags; |
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161 | d[2] = client->proto; |
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162 | d[3] = client->byteorder; |
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163 | |
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164 | for (i = 0; i < 4; i++) |
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165 | d[i] = ROAR_HOST2NET16(d[i]); |
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166 | |
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167 | if ( roar_req(con, &m, NULL) == -1 ) |
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168 | return -1; |
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169 | |
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170 | client->fh = roar_get_connection_fh(con); |
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171 | |
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172 | return 0; |
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173 | } |
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174 | |
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175 | //ll |
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