1 | //emul_gopher.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 roard 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 | * RoarAudio 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 <roard/include/roard.h> |
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27 | |
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28 | #ifndef DISTRIBUTION_VERSION_STRING |
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29 | #define DISTRIBUTION_VERSION_STRING "" |
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30 | #endif |
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31 | #ifndef PACKAGE_VERSION |
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32 | #define PACKAGE_VERSION "" |
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33 | #endif |
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34 | #ifndef DEVICE_VENDOR_STRING |
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35 | #define DEVICE_VENDOR_STRING "" |
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36 | #endif |
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37 | |
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38 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_GOPHER |
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39 | #include <roaraudio/proto_gopher.h> |
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40 | |
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41 | #define _INFO ROAR_GOPHER_TYPE_INFO |
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42 | #define _DIR ROAR_GOPHER_TYPE_DIR |
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43 | #define _FILE ROAR_GOPHER_TYPE_FILE |
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44 | #define _SOUND ROAR_GOPHER_TYPE_SOUND |
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45 | |
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46 | struct item; |
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47 | |
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48 | static int scb_status_txt (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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49 | static int scb_test (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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50 | static int scb_clients (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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51 | static int scb_streams (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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52 | static int scb_client_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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53 | static int scb_stream_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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54 | static int scb_listen_menu(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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55 | static int scb_listen (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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56 | |
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57 | static struct roar_gopher_menu_item g_gopher_root_menu[] = { |
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58 | {.type = _INFO, .name = "roard Root Menu"}, |
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59 | {.type = _FILE, .name = "Server Info", .selector = "/info.txt", .host = NULL, .port = 0}, |
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60 | {.type = _FILE, .name = "Server Status", .selector = "/status.txt", .host = NULL, .port = 0}, |
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61 | {.type = _DIR, .name = "Clients", .selector = "/clients/", .host = NULL, .port = 0}, |
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62 | {.type = _DIR, .name = "Streams", .selector = "/streams/", .host = NULL, .port = 0}, |
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63 | {.type = _DIR, .name = "Listen!", .selector = "/listen/", .host = NULL, .port = 0}, |
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64 | }; |
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65 | |
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66 | // need a true constant string. |
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67 | #define info_text \ |
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68 | "This server is RoarAudio server (roard) with a small status gopher server\n" \ |
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69 | "integrated. (For version and stuff see /status.txt.)\n" \ |
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70 | "RoarAudio is a modern, multi OS, networed sound system.\n" \ |
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71 | "For more information see http://roaraudio.keep-cool.org/\n" |
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72 | |
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73 | static struct item { |
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74 | const char * selector; |
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75 | char type; |
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76 | struct roar_gopher_menu menu; |
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77 | struct roar_audio_info info; |
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78 | int dir; |
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79 | const char * text; |
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80 | int (*cb)(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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81 | } g_gopher_items[] = { |
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82 | {.selector = "", .type = _DIR, |
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83 | .menu = {.items = g_gopher_root_menu, .items_len = sizeof(g_gopher_root_menu)/sizeof(*g_gopher_root_menu)}, |
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84 | .cb = NULL |
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85 | }, |
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86 | // and again as selector '/' as some clients seems to require it: |
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87 | {.selector = "/", .type = _DIR, |
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88 | .menu = {.items = g_gopher_root_menu, .items_len = sizeof(g_gopher_root_menu)/sizeof(*g_gopher_root_menu)}, |
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89 | .cb = NULL |
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90 | }, |
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91 | {.selector = "/info.txt", .type = _FILE, .text = info_text, .cb = NULL}, |
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92 | {.selector = "/status.txt", .type = _FILE, .cb = scb_status_txt}, |
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93 | {.selector = "/test/*", .type = _FILE, .cb = scb_test}, |
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94 | {.selector = "/clients/", .type = _DIR, .cb = scb_clients}, |
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95 | {.selector = "/streams/", .type = _DIR, .cb = scb_streams}, |
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96 | {.selector = "/clients/*/", .type = _DIR, .cb = scb_client_info}, |
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97 | {.selector = "/streams/*/", .type = _DIR, .cb = scb_stream_info}, |
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98 | {.selector = "/listen/", .type = _DIR, .cb = scb_listen_menu}, |
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99 | {.selector = "/listen/*/*/*/*/*", .type = _FILE, .cb = scb_listen} |
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100 | }; |
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101 | |
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102 | static char * _aprintf(size_t sizehint, const char * format, ...); |
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103 | |
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104 | static int send_menu (int client, struct roar_gopher_menu * menu, struct roar_vio_calls * vio); |
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105 | static int send_text (const char * text, struct roar_buffer ** obuffer); |
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106 | |
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107 | |
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108 | // SCBs: |
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109 | static int scb_status_txt (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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110 | const size_t len = 1024; |
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111 | const char * server_version = NULL; |
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112 | |
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113 | (void)client, (void)vio, (void)selector, (void)text, (void)sitem; |
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114 | |
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115 | if ( DISTRIBUTION_VERSION_STRING[0] == 0 ) { |
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116 | server_version = "roard/" PACKAGE_VERSION " <" DEVICE_VENDOR_STRING ">"; |
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117 | } else { |
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118 | server_version = "roard/" PACKAGE_VERSION " <" DEVICE_VENDOR_STRING "> (" DISTRIBUTION_VERSION_STRING ")"; |
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119 | } |
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120 | |
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121 | *text = roar_mm_malloc(len); |
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122 | if ( *text == NULL ) |
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123 | return -1; |
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124 | |
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125 | **text = 0; |
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126 | |
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127 | snprintf(*text, len, |
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128 | "Server version: %s\r\n" |
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129 | "Server location: %s\r\n" |
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130 | "Server description: %s\r\n" |
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131 | "\r\n" |
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132 | "Counters current: %llu clients, %llu streams\r\n" |
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133 | "Counters sum: %llu clients, %llu streams\r\n", |
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134 | server_version, |
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135 | g_config->location, |
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136 | g_config->description, |
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137 | (long long unsigned int)g_counters.cur.clients, |
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138 | (long long unsigned int)g_counters.cur.streams, |
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139 | (long long unsigned int)g_counters.sum.clients, |
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140 | (long long unsigned int)g_counters.sum.streams |
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141 | ); |
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142 | |
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143 | (*text)[len-1] = 0; |
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144 | return 0; |
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145 | } |
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146 | |
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147 | static int scb_test(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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148 | ssize_t toks; |
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149 | char * tok; |
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150 | size_t len; |
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151 | |
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152 | (void)client, (void)vio; |
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153 | |
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154 | toks = roar_mm_strseltok(sitem->selector, selector, &tok, 1); |
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155 | |
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156 | if ( toks == -1 ) |
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157 | return -1; |
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158 | |
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159 | len = strlen(tok); |
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160 | len += 64; |
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161 | |
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162 | *text = roar_mm_malloc(1024); |
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163 | if ( *text == NULL ) |
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164 | return -1; |
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165 | |
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166 | **text = 0; |
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167 | |
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168 | snprintf(*text, len, "Your text was: %s", tok); |
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169 | |
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170 | (*text)[len-1] = 0; |
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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 | static int scb_clients (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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176 | struct roar_gopher_menu_item items[ROAR_CLIENTS_MAX]; |
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177 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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178 | struct roar_gopher_menu_item * item; |
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179 | struct roar_client_server * cs; |
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180 | struct roar_client * c; |
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181 | const size_t len = 80; |
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182 | char * d; |
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183 | size_t i; |
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184 | int ret; |
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185 | |
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186 | (void)selector, (void)text, (void)sitem; |
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187 | |
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188 | memset(items, 0, sizeof(items)); |
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189 | |
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190 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
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191 | if ( (c = ROAR_CLIENT((cs = g_clients[i]))) != NULL ) { |
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192 | item = &(items[menu.items_len++]); |
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193 | item->type = _DIR; |
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194 | d = roar_mm_malloc(len); |
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195 | if ( d == NULL ) { |
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196 | menu.items_len--; |
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197 | continue; |
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198 | } |
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199 | if ( c->name != NULL && c->name[0] != 0 ) { |
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200 | snprintf(d, len, "Client %i: %s", (int)i, c->name); |
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201 | } else { |
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202 | snprintf(d, len, "Client %i", (int)i); |
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203 | } |
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204 | item->name = d; |
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205 | |
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206 | d = roar_mm_malloc(len); |
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207 | if ( d == NULL ) { |
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208 | if ( item->name != NULL ) |
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209 | roar_mm_free((void*)item->name); |
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210 | menu.items_len--; |
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211 | continue; |
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212 | } |
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213 | |
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214 | snprintf(d, len, "/clients/%i/", (int)i); |
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215 | item->selector = d; |
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216 | } |
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217 | } |
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218 | |
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219 | ret = send_menu(client, &menu, vio); |
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220 | |
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221 | for (i = 0; i < menu.items_len; i++) { |
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222 | if ( items[i].name != NULL ) |
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223 | roar_mm_free((void*)items[i].name); |
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224 | if ( items[i].selector != NULL ) |
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225 | roar_mm_free((void*)items[i].selector); |
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226 | } |
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227 | |
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228 | return ret; |
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229 | } |
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230 | |
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231 | static int scb_streams (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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232 | struct roar_gopher_menu_item items[ROAR_STREAMS_MAX]; |
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233 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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234 | struct roar_gopher_menu_item * item; |
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235 | struct roar_stream_server * ss; |
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236 | struct roar_stream * s; |
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237 | const size_t len = 80; |
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238 | char * d; |
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239 | size_t i; |
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240 | int ret; |
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241 | |
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242 | (void)selector, (void)text, (void)sitem; |
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243 | |
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244 | memset(items, 0, sizeof(items)); |
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245 | |
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246 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
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247 | if ( (s = ROAR_STREAM((ss = g_streams[i]))) != NULL ) { |
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248 | item = &(items[menu.items_len++]); |
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249 | item->type = _DIR; |
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250 | d = roar_mm_malloc(len); |
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251 | if ( d == NULL ) { |
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252 | menu.items_len--; |
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253 | continue; |
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254 | } |
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255 | if ( ss->name != NULL && ss->name[0] != 0 ) { |
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256 | snprintf(d, len, "Stream %i: %s", (int)i, ss->name); |
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257 | } else { |
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258 | snprintf(d, len, "Stream %i", (int)i); |
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259 | } |
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260 | item->name = d; |
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261 | |
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262 | d = roar_mm_malloc(len); |
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263 | if ( d == NULL ) { |
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264 | if ( item->name != NULL ) |
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265 | roar_mm_free((void*)item->name); |
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266 | menu.items_len--; |
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267 | continue; |
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268 | } |
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269 | |
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270 | snprintf(d, len, "/streams/%i/", (int)i); |
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271 | item->selector = d; |
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272 | } |
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273 | } |
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274 | |
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275 | ret = send_menu(client, &menu, vio); |
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276 | |
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277 | for (i = 0; i < menu.items_len; i++) { |
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278 | if ( items[i].name != NULL ) |
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279 | roar_mm_free((void*)items[i].name); |
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280 | if ( items[i].selector != NULL ) |
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281 | roar_mm_free((void*)items[i].selector); |
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282 | } |
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283 | |
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284 | return ret; |
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285 | } |
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286 | |
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287 | static int scb_client_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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288 | #define _MAX_ITEMS (16 + ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT) |
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289 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
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290 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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291 | struct roar_gopher_menu_item * item; |
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292 | struct roar_client_server * cs; |
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293 | struct roar_client * c; |
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294 | size_t i; |
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295 | int ret; |
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296 | ssize_t toks; |
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297 | char * tok; |
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298 | int id; |
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299 | char tmp[80]; |
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300 | |
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301 | (void)text; |
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302 | |
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303 | memset(items, 0, sizeof(items)); |
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304 | |
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305 | toks = roar_mm_strseltok(sitem->selector, selector, &tok, 1); |
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306 | if ( toks == -1 ) |
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307 | return -1; |
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308 | |
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309 | id = atoi(tok); |
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310 | |
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311 | if ( clients_get_server(id, &cs) == -1 ) |
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312 | return -1; |
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313 | |
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314 | c = ROAR_CLIENT(cs); |
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315 | |
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316 | item = &(items[menu.items_len++]); |
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317 | item->type = _INFO; |
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318 | if ( c->name != NULL && c->name[0] != 0 ) { |
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319 | item->name = _aprintf(64, "Client %i: %s", id, c->name); |
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320 | } else { |
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321 | item->name = _aprintf(64, "Client %i", id); |
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322 | } |
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323 | |
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324 | if ( roar_nnode_get_socktype(&(c->nnode)) != ROAR_SOCKET_TYPE_UNKNOWN ) { |
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325 | if ( roar_nnode_to_str(&(c->nnode), tmp, sizeof(tmp)) == 0 ) { |
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326 | item = &(items[menu.items_len++]); |
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327 | item->type = _INFO; |
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328 | item->name = _aprintf(64, "Network node: %s", tmp); |
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329 | } |
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330 | } |
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331 | |
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332 | item = &(items[menu.items_len++]); |
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333 | item->type = _INFO; |
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334 | item->name = _aprintf(64, "Protocol: %s", roar_proto2str(c->proto)); |
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335 | |
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336 | if ( c->execed != -1 ) { |
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337 | item = &(items[menu.items_len++]); |
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338 | item->type = _DIR; |
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339 | item->name = _aprintf(64, "Exected Stream: %i", c->execed); |
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340 | item->selector = _aprintf(64, "/streams/%i/", c->execed); |
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341 | } |
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342 | |
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343 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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344 | if ( c->streams[i] != -1 ) { |
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345 | item = &(items[menu.items_len++]); |
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346 | item->type = _DIR; |
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347 | item->name = _aprintf(64, "Stream: %i", c->streams[i]); |
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348 | item->selector = _aprintf(64, "/streams/%i/", c->streams[i]); |
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349 | } |
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350 | } |
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351 | |
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352 | ret = send_menu(client, &menu, vio); |
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353 | |
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354 | for (i = 0; i < menu.items_len; i++) { |
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355 | if ( items[i].name != NULL ) |
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356 | roar_mm_free((void*)items[i].name); |
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357 | if ( items[i].selector != NULL ) |
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358 | roar_mm_free((void*)items[i].selector); |
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359 | } |
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360 | |
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361 | #undef _MAX_ITEMS |
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362 | return ret; |
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363 | } |
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364 | |
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365 | static int scb_stream_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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366 | #define _MAX_ITEMS 12 |
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367 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
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368 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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369 | struct roar_gopher_menu_item * item; |
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370 | struct roar_stream_server * ss; |
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371 | struct roar_stream * s; |
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372 | size_t i; |
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373 | int ret; |
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374 | ssize_t toks; |
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375 | char * tok; |
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376 | int id; |
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377 | |
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378 | (void)text; |
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379 | |
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380 | memset(items, 0, sizeof(items)); |
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381 | |
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382 | toks = roar_mm_strseltok(sitem->selector, selector, &tok, 1); |
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383 | if ( toks == -1 ) |
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384 | return -1; |
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385 | |
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386 | id = atoi(tok); |
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387 | |
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388 | if ( streams_get(id, &ss) == -1 ) |
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389 | return -1; |
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390 | |
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391 | s = ROAR_STREAM(ss); |
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392 | |
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393 | |
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394 | item = &(items[menu.items_len++]); |
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395 | item->type = _INFO; |
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396 | if ( ss->name != NULL && ss->name[0] != 0 ) { |
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397 | item->name = _aprintf(64, "Stream %i: %s", id, ss->name); |
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398 | } else { |
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399 | item->name = _aprintf(64, "Stream %i", id); |
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400 | } |
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401 | |
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402 | item = &(items[menu.items_len++]); |
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403 | item->type = _INFO; |
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404 | item->name = _aprintf(64, "Stream state: %s", roar_streamstate2str(ss->state)); |
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405 | |
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406 | item = &(items[menu.items_len++]); |
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407 | item->type = _INFO; |
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408 | item->name = _aprintf(64, "Stream direction: %s", roar_dir2str(s->dir)); |
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409 | |
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410 | item = &(items[menu.items_len++]); |
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411 | item->type = _INFO; |
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412 | item->name = _aprintf(128, "Signal info: rate:%iHz bits:%i channels:%i codec:%s", |
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413 | s->info.rate, s->info.bits, s->info.channels, roar_codec2str(s->info.codec)); |
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414 | |
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415 | if ( ss->codec_orgi != ROAR_AUDIO_INFO_INVALID && ss->codec_orgi != s->info.codec ) { |
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416 | item = &(items[menu.items_len++]); |
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417 | item->type = _INFO; |
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418 | item->name = _aprintf(64, "Streamed codec: %s", roar_codec2str(ss->codec_orgi)); |
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419 | } |
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420 | |
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421 | if ( ss->role != -1 ) { |
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422 | item = &(items[menu.items_len++]); |
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423 | item->type = _INFO; |
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424 | item->name = _aprintf(64, "Stream role: %s", roar_role2str(ss->role)); |
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425 | } |
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426 | |
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427 | item = &(items[menu.items_len++]); |
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428 | item->type = _DIR; |
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429 | item->name = _aprintf(64, "Client: %i", ss->client); |
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430 | item->selector = _aprintf(64, "/clients/%i/", ss->client); |
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431 | |
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432 | ret = send_menu(client, &menu, vio); |
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433 | |
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434 | for (i = 0; i < menu.items_len; i++) { |
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435 | if ( items[i].name != NULL ) |
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436 | roar_mm_free((void*)items[i].name); |
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437 | if ( items[i].selector != NULL ) |
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438 | roar_mm_free((void*)items[i].selector); |
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439 | } |
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440 | |
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441 | #undef _MAX_ITEMS |
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442 | return ret; |
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443 | } |
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444 | |
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445 | static int scb_listen_menu(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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446 | #define _MAX_ITEMS 12 |
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447 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
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448 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
---|
449 | struct roar_gopher_menu_item * item; |
---|
450 | const char * codec; |
---|
451 | int ret; |
---|
452 | int codecs[] = {ROAR_CODEC_DEFAULT, ROAR_CODEC_RIFF_WAVE, ROAR_CODEC_AU, ROAR_CODEC_OGG_VORBIS}; |
---|
453 | size_t i; |
---|
454 | |
---|
455 | (void)selector, (void)text, (void)sitem; |
---|
456 | |
---|
457 | memset(items, 0, sizeof(items)); |
---|
458 | |
---|
459 | item = &(items[menu.items_len++]); |
---|
460 | item->type = _INFO; |
---|
461 | item->name = roar_mm_strdup("Select a format you want to listen in:"); |
---|
462 | |
---|
463 | item = &(items[menu.items_len++]); |
---|
464 | item->type = _INFO; |
---|
465 | item->name = NULL; // empty lion |
---|
466 | |
---|
467 | for (i = 0; i < (sizeof(codecs)/sizeof(*codecs)); i++) { |
---|
468 | item = &(items[menu.items_len++]); |
---|
469 | item->type = _SOUND; |
---|
470 | codec = roar_codec2str(codecs[i]); |
---|
471 | item->name = _aprintf(64, "%u channels with %u bits at %uHz, %s", |
---|
472 | g_sa->channels, g_sa->bits, g_sa->rate, codec); |
---|
473 | item->selector = _aprintf(64, "/listen/monitor/%u/%u/%u/%s", g_sa->rate, g_sa->bits, g_sa->channels, codec); |
---|
474 | } |
---|
475 | |
---|
476 | ret = send_menu(client, &menu, vio); |
---|
477 | |
---|
478 | for (i = 0; i < menu.items_len; i++) { |
---|
479 | if ( items[i].name != NULL ) |
---|
480 | roar_mm_free((void*)items[i].name); |
---|
481 | if ( items[i].selector != NULL ) |
---|
482 | roar_mm_free((void*)items[i].selector); |
---|
483 | } |
---|
484 | |
---|
485 | #undef _MAX_ITEMS |
---|
486 | return ret; |
---|
487 | } |
---|
488 | |
---|
489 | static int scb_listen (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
490 | struct roar_stream_server * ss; |
---|
491 | struct roar_stream * s; |
---|
492 | struct roar_audio_info info; |
---|
493 | int dir = -1; |
---|
494 | ssize_t toks; |
---|
495 | char * tok[5]; |
---|
496 | int stream = -1; |
---|
497 | |
---|
498 | (void)vio, (void)text; |
---|
499 | |
---|
500 | toks = roar_mm_strseltok(sitem->selector, selector, tok, 5); |
---|
501 | |
---|
502 | if ( toks != 5 ) |
---|
503 | return -1; |
---|
504 | |
---|
505 | memset(&info, 0, sizeof(info)); |
---|
506 | |
---|
507 | if ( (dir = roar_str2dir(tok[0])) == -1 ) |
---|
508 | return -1; |
---|
509 | |
---|
510 | // test for unsupported dirs: |
---|
511 | switch (dir) { |
---|
512 | case ROAR_DIR_THRU: |
---|
513 | case ROAR_DIR_RAW_IN: |
---|
514 | case ROAR_DIR_FILTER: |
---|
515 | return -1; |
---|
516 | break; |
---|
517 | } |
---|
518 | |
---|
519 | info.rate = atoi(tok[1]); |
---|
520 | info.bits = atoi(tok[2]); |
---|
521 | info.channels = atoi(tok[3]); |
---|
522 | info.codec = roar_str2codec(tok[4]); |
---|
523 | |
---|
524 | if ( info.codec == ROAR_AUDIO_INFO_INVALID ) |
---|
525 | return -1; |
---|
526 | |
---|
527 | if ((stream = streams_new()) == -1 ) |
---|
528 | return -1; |
---|
529 | |
---|
530 | if ( streams_get(stream, &ss) == -1 ) { |
---|
531 | streams_delete(stream); |
---|
532 | return -1; |
---|
533 | } |
---|
534 | |
---|
535 | s = ROAR_STREAM(ss); |
---|
536 | |
---|
537 | if ( client_stream_add(client, stream) == -1 ) { |
---|
538 | streams_delete(stream); |
---|
539 | return -1; |
---|
540 | } |
---|
541 | |
---|
542 | memcpy(&(s->info), &info, sizeof(info)); |
---|
543 | ss->codec_orgi = info.codec; |
---|
544 | |
---|
545 | if ( streams_set_dir(stream, dir, 1) == -1 ) { |
---|
546 | streams_delete(stream); |
---|
547 | return -1; |
---|
548 | } |
---|
549 | |
---|
550 | if ( client_stream_exec(client, stream) == -1 ) { |
---|
551 | streams_delete(stream); |
---|
552 | return -1; |
---|
553 | } |
---|
554 | |
---|
555 | return 0; |
---|
556 | } |
---|
557 | |
---|
558 | // other code: |
---|
559 | static int strip_nl (char * str) { |
---|
560 | register char c; |
---|
561 | |
---|
562 | for (; (c = *str) != 0; str++) { |
---|
563 | if ( c == '\r' || c == '\n' ) { |
---|
564 | *str = 0; |
---|
565 | return 1; |
---|
566 | } |
---|
567 | } |
---|
568 | |
---|
569 | return 0; |
---|
570 | } |
---|
571 | |
---|
572 | static char * _aprintf(size_t sizehint, const char * format, ...) { |
---|
573 | va_list ap; |
---|
574 | char * buf; |
---|
575 | int ret; |
---|
576 | |
---|
577 | sizehint += 128; |
---|
578 | |
---|
579 | if ( (buf = roar_mm_malloc(sizehint)) == NULL ) |
---|
580 | return NULL; |
---|
581 | |
---|
582 | va_start(ap, format); |
---|
583 | ret = vsnprintf(buf, sizehint, format, ap); |
---|
584 | va_end(ap); |
---|
585 | |
---|
586 | buf[sizehint-1] = 0; |
---|
587 | |
---|
588 | return buf; |
---|
589 | } |
---|
590 | |
---|
591 | static int send_menu (int client, struct roar_gopher_menu * menu, struct roar_vio_calls * vio) { |
---|
592 | struct roar_buffer * buf; |
---|
593 | struct roar_gopher_menu_item * item; |
---|
594 | const size_t len = 256; |
---|
595 | size_t i; |
---|
596 | void * data; |
---|
597 | char * chardata; |
---|
598 | const char * host; |
---|
599 | unsigned int port; |
---|
600 | struct roar_sockname sockaddr; |
---|
601 | |
---|
602 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_GET_SOCKNAME, &sockaddr) == -1 ) { |
---|
603 | memset(&sockaddr, 0, sizeof(sockaddr)); |
---|
604 | } |
---|
605 | |
---|
606 | for (i = 0; i < menu->items_len; i++) { |
---|
607 | item = &(menu->items[i]); |
---|
608 | if ( roar_buffer_new_data(&buf, len, &data) == -1 ) { |
---|
609 | if ( sockaddr.addr != NULL ) |
---|
610 | roar_mm_free(sockaddr.addr); |
---|
611 | return -1; |
---|
612 | } |
---|
613 | |
---|
614 | chardata = data; |
---|
615 | |
---|
616 | switch (item->type) { |
---|
617 | case _INFO: |
---|
618 | snprintf(data, len-1, "i%s\tfake\t(NULL)\t0\r\n", item->name == NULL ? "" : item->name); |
---|
619 | break; |
---|
620 | default: |
---|
621 | host = item->host == NULL ? sockaddr.addr : item->host; |
---|
622 | port = item->port == 0 ? (unsigned int)sockaddr.port : item->port; |
---|
623 | snprintf(data, len-1, "%c%s\t%s\t%s\t%u\r\n", item->type, item->name, item->selector, host, port); |
---|
624 | break; |
---|
625 | } |
---|
626 | |
---|
627 | chardata[len-1] = 0; |
---|
628 | |
---|
629 | if ( roar_buffer_set_len(buf, strlen(data)) == -1 ) { |
---|
630 | roar_buffer_free(buf); |
---|
631 | return -1; |
---|
632 | } |
---|
633 | |
---|
634 | clients_add_output(client, &buf); |
---|
635 | } |
---|
636 | |
---|
637 | if ( sockaddr.addr != NULL ) |
---|
638 | roar_mm_free(sockaddr.addr); |
---|
639 | |
---|
640 | return 0; |
---|
641 | } |
---|
642 | |
---|
643 | static int send_text (const char * text, struct roar_buffer ** obuffer) { |
---|
644 | struct roar_buffer * buf; |
---|
645 | void * data; |
---|
646 | size_t len = strlen(text); |
---|
647 | |
---|
648 | if ( roar_buffer_new_data(&buf, len+6, &data) == -1 ) |
---|
649 | return -1; |
---|
650 | |
---|
651 | memcpy(data, text, len); |
---|
652 | //memcpy(data+len, "\r\n.\r\n\0", 6); |
---|
653 | memcpy(data+len, "\0", 1); |
---|
654 | if ( roar_buffer_moveintoqueue(obuffer, &buf) == -1 ) |
---|
655 | return -1; |
---|
656 | |
---|
657 | return 0; |
---|
658 | } |
---|
659 | |
---|
660 | static int emul_gopher_check_client(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
661 | struct roar_client_server * cs; |
---|
662 | struct item * c = NULL; |
---|
663 | char inbuf[1024]; |
---|
664 | ssize_t ret; |
---|
665 | size_t i; |
---|
666 | int funcret = -1; |
---|
667 | size_t len = 0; |
---|
668 | void * data; |
---|
669 | char * text; |
---|
670 | |
---|
671 | (void)obuffer, (void)userdata, (void)protopara, (void)protoparalen, (void)pluginpara; |
---|
672 | |
---|
673 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
674 | |
---|
675 | if ( clients_get_server(client, &cs) == -1 ) { |
---|
676 | return -1; |
---|
677 | } |
---|
678 | |
---|
679 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
680 | |
---|
681 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
682 | |
---|
683 | if ( cs->inbuf != NULL ) { |
---|
684 | len = sizeof(inbuf)-1; |
---|
685 | if ( roar_buffer_shift_out(&(cs->inbuf), inbuf, &len) == -1 ) { |
---|
686 | return -1; |
---|
687 | } |
---|
688 | |
---|
689 | if ( cs->inbuf != NULL ) { |
---|
690 | roar_buffer_free(cs->inbuf); |
---|
691 | return -1; |
---|
692 | } |
---|
693 | |
---|
694 | // test if we have still buffer space left. |
---|
695 | if ( len == (sizeof(inbuf)-1) ) { |
---|
696 | return -1; |
---|
697 | } |
---|
698 | } |
---|
699 | |
---|
700 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
701 | |
---|
702 | ret = roar_vio_read(vio, inbuf+len, sizeof(inbuf)-len-1); |
---|
703 | if ( ret < 1 ) { |
---|
704 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
705 | return -1; |
---|
706 | } |
---|
707 | |
---|
708 | ret += len; |
---|
709 | |
---|
710 | inbuf[ret] = 0; |
---|
711 | |
---|
712 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
713 | |
---|
714 | if ( !strip_nl(inbuf) ) { |
---|
715 | if ( roar_buffer_new_data(&(cs->inbuf), ret, &data) == -1 ) { |
---|
716 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
717 | return -1; |
---|
718 | } |
---|
719 | |
---|
720 | memcpy(data, inbuf, ret); |
---|
721 | |
---|
722 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = 0", client, vio); |
---|
723 | |
---|
724 | return 0; |
---|
725 | } |
---|
726 | |
---|
727 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
728 | |
---|
729 | for (i = 0; i < sizeof(g_gopher_items)/sizeof(*g_gopher_items); i++) { |
---|
730 | // if ( !roar_mm_strselcmp(g_gopher_items[i].selector, inbuf) ) { |
---|
731 | if ( !roar_mm_strselcmp(g_gopher_items[i].selector, inbuf) ) { |
---|
732 | c = &(g_gopher_items[i]); |
---|
733 | break; |
---|
734 | } |
---|
735 | } |
---|
736 | |
---|
737 | if ( c == NULL ) { |
---|
738 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
739 | return -1; |
---|
740 | } |
---|
741 | |
---|
742 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
743 | |
---|
744 | if ( c->cb != NULL ) { |
---|
745 | text = NULL; |
---|
746 | funcret = c->cb(client, vio, inbuf, &text, c); |
---|
747 | |
---|
748 | if ( funcret == 0 && text != NULL ) |
---|
749 | funcret = send_text(text, obuffer); |
---|
750 | |
---|
751 | if ( text != NULL ) |
---|
752 | roar_mm_free(text); |
---|
753 | } else { |
---|
754 | switch (c->type) { |
---|
755 | case _DIR: |
---|
756 | funcret = send_menu(client, &(c->menu), vio); |
---|
757 | break; |
---|
758 | case _FILE: |
---|
759 | funcret = send_text(c->text, obuffer); |
---|
760 | break; |
---|
761 | default: |
---|
762 | funcret = -1; |
---|
763 | break; |
---|
764 | } |
---|
765 | } |
---|
766 | |
---|
767 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
768 | |
---|
769 | if ( funcret == -1 ) { |
---|
770 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
771 | return -1; |
---|
772 | } |
---|
773 | |
---|
774 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = 0", client, vio); |
---|
775 | |
---|
776 | return 0; |
---|
777 | } |
---|
778 | |
---|
779 | static int emul_gopher_flushed_client(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
780 | |
---|
781 | (void)client, (void)vio, (void)obuffer, (void)userdata, (void)protopara, (void)protoparalen, (void)pluginpara; |
---|
782 | |
---|
783 | ROAR_DBG("emul_gopher_flushed_client(client=%i, vio=%p) = ?", client, vio); |
---|
784 | |
---|
785 | return -1; |
---|
786 | } |
---|
787 | |
---|
788 | static struct roar_dl_proto __proto_common_gopher = { |
---|
789 | .proto = ROAR_PROTO_GOPHER, |
---|
790 | .description = "The Internet Gopher Protocol", |
---|
791 | .flags = ROAR_DL_PROTO_FLAGS_NONE, |
---|
792 | .handle = emul_gopher_check_client, |
---|
793 | .flushed = emul_gopher_flushed_client |
---|
794 | }; |
---|
795 | |
---|
796 | static int __reg_proto(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib) { |
---|
797 | (void)para, (void)lib; |
---|
798 | ROAR_DL_PLUGIN_REG_FN(ROAR_DL_PROTO_SUBTYPE, __proto_common_gopher, ROAR_DL_PROTO_VERSION); |
---|
799 | return 0; |
---|
800 | } |
---|
801 | |
---|
802 | ROAR_DL_PLUGIN_START(protocol_gopher) { |
---|
803 | ROARD_DL_CHECK_VERSIONS(); |
---|
804 | |
---|
805 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("protocol-gopher", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
---|
806 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
---|
807 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
---|
808 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
---|
809 | ROAR_DL_PLUGIN_META_DESC("Implementation of the Internet Gopher protocol"); |
---|
810 | |
---|
811 | ROAR_DL_PLUGIN_REG(ROAR_DL_FN_PROTO, __reg_proto); |
---|
812 | } ROAR_DL_PLUGIN_END |
---|
813 | |
---|
814 | #endif |
---|
815 | |
---|
816 | //ll |
---|