1 | //httpd.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 libroareio 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 | * libroardsp 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 | */ |
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25 | |
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26 | #include "libroareio.h" |
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27 | |
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28 | struct roar_httpd * roar_http_new(struct roar_vio_calls * client, int (*cb_eoh)(struct roar_httpd * httpd)) { |
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29 | struct roar_httpd * httpd; |
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30 | |
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31 | if ( client == NULL || cb_eoh == NULL ) |
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32 | return NULL; |
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33 | |
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34 | if ( (httpd = roar_mm_malloc(sizeof(struct roar_httpd))) == NULL ) |
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35 | return NULL; |
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36 | |
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37 | memset(httpd, 0, sizeof(struct roar_httpd)); |
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38 | |
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39 | httpd->state = ROAR_HTTPD_STATE_REQ; |
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40 | httpd->client = client; |
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41 | httpd->cb_eoh = cb_eoh; |
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42 | |
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43 | return NULL; |
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44 | } |
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45 | |
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46 | int roar_http_free(struct roar_httpd * httpd) { |
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47 | if ( httpd->response.file != NULL ) |
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48 | roar_vio_close(httpd->response.file); |
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49 | |
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50 | if ( httpd->client != NULL ) |
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51 | roar_vio_close(httpd->client); |
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52 | |
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53 | roar_mm_free(httpd); |
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54 | |
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55 | return 0; |
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56 | } |
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57 | |
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58 | // TODO: update this function to use iobuffer: |
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59 | static int roar_http_eoh (struct roar_httpd * httpd) { |
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60 | struct roar_httpd_request * req = &(httpd->request); |
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61 | struct roar_httpd_response * resp = &(httpd->response); |
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62 | int i; |
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63 | |
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64 | // TODO: parse HTTP here |
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65 | |
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66 | resp->version = req->version; |
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67 | resp->status = -1; |
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68 | httpd->cb_eoh(httpd); |
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69 | |
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70 | if ( resp->status == -1 ) { |
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71 | if ( resp->file == NULL ) { |
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72 | resp->status = ROAR_HTTPD_STATUS_NOT_FOUND; |
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73 | } else { |
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74 | resp->status = ROAR_HTTPD_STATUS_OK; |
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75 | } |
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76 | } |
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77 | |
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78 | roar_vio_printf(httpd->client, "HTTP/%i.%i %i State %i\r\n", _ROAR_EIO_HTTPD_VERSION_MAJOR(resp->version), |
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79 | _ROAR_EIO_HTTPD_VERSION_MINOR(resp->version), |
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80 | resp->status, resp->status); |
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81 | |
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82 | if ( resp->header != NULL ) { |
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83 | for (i = 0; resp->header[i].key != NULL; i++) { |
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84 | roar_vio_printf(httpd->client, "%s: %s\r\n", resp->header[i].key, resp->header[i].value); |
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85 | } |
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86 | roar_mm_free(resp->header); |
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87 | } |
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88 | |
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89 | return 0; |
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90 | } |
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91 | |
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92 | int roar_http_update(struct roar_httpd * httpd) { |
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93 | void * data; |
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94 | size_t len; |
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95 | ssize_t ret; |
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96 | |
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97 | switch (httpd->state) { |
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98 | case ROAR_HTTPD_STATE_REQ: |
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99 | break; |
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100 | case ROAR_HTTPD_STATE_EOH: |
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101 | return roar_http_eoh(httpd); |
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102 | break; |
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103 | case ROAR_HTTPD_STATE_RESP: |
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104 | if ( httpd->iobuffer != NULL ) { |
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105 | if ( roar_buffer_get_len(httpd->iobuffer, &len) == -1 ) |
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106 | return -1; |
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107 | } else { |
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108 | len = 0; |
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109 | } |
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110 | |
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111 | if ( len != 0 ) { |
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112 | if ( roar_buffer_get_data(httpd->iobuffer, &data) == -1 ) |
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113 | return -1; |
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114 | |
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115 | if ( (ret = roar_vio_write(httpd->client, data, len)) == -1 ) |
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116 | return -1; |
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117 | |
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118 | if ( roar_buffer_set_offset(httpd->iobuffer, ret) == -1 ) |
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119 | return -1; // bad error |
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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 | if ( httpd->iobuffer != NULL ) { |
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125 | len = 2048; |
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126 | if ( roar_buffer_set_len(httpd->iobuffer, len) == -1 ) |
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127 | return -1; |
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128 | } else { |
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129 | if ( roar_buffer_new(&(httpd->iobuffer), len) == -1 ) |
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130 | return -1; |
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131 | } |
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132 | |
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133 | if ( roar_buffer_get_data(httpd->iobuffer, &data) == -1 ) |
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134 | return -1; |
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135 | |
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136 | if ( (ret = roar_vio_read(httpd->response.file, data, len)) == -1 ) { |
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137 | if ( roar_buffer_set_len(httpd->iobuffer, 0) == -1 ) |
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138 | return -1; // bad error |
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139 | } |
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140 | |
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141 | len = ret; |
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142 | |
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143 | if ( roar_buffer_set_len(httpd->iobuffer, len) == -1 ) |
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144 | return -1; |
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145 | |
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146 | if ( (ret = roar_vio_write(httpd->client, data, len)) == -1 ) |
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147 | return -1; |
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148 | |
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149 | if ( roar_buffer_set_offset(httpd->iobuffer, ret) == -1 ) |
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150 | return -1; // bad error |
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151 | |
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152 | return 0; |
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153 | break; |
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154 | } |
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155 | |
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156 | return -1; |
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157 | } |
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158 | |
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159 | |
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160 | //ll |
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