libs/iwinfo/src/iwinfo_lualib.c

   1 /*
   2  * iwinfo - Wireless Information Library - Lua Bindings
   3  *
   4  *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  * The iwinfo library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * The iwinfo library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
  17  */
  18
  19 #include "iwinfo_lualib.h"
  20
  21 /* Determine type */
  22 static int iwinfo_L_type(lua_State *L)
  23 {
  24         const char *ifname = luaL_checkstring(L, 1);
  25
  26         if( wl_probe(ifname) )
  27                 lua_pushstring(L, "wl");
  28
  29         else if( madwifi_probe(ifname) )
  30                 lua_pushstring(L, "madwifi");
  31
  32         else if( wext_probe(ifname) )
  33                 lua_pushstring(L, "wext");
  34
  35         else
  36                 lua_pushnil(L);
  37
  38         return 1;
  39 }
  40
  41 /* Wrapper for assoclist */
  42 static int iwinfo_L_assoclist(lua_State *L, int (*func)(const char *, char *, int *))
  43 {
  44         int i, len;
  45         char rv[IWINFO_BUFSIZE];
  46         char macstr[18];
  47         const char *ifname = luaL_checkstring(L, 1);
  48         struct iwinfo_assoclist_entry *e;
  49
  50         lua_newtable(L);
  51         memset(rv, 0, sizeof(rv));
  52
  53         if( !(*func)(ifname, rv, &len) )
  54         {
  55                 for( i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry) )
  56                 {
  57                         e = (struct iwinfo_assoclist_entry *) &rv[i];
  58
  59                         sprintf(macstr, "%02X:%02X:%02X:%02X:%02X:%02X",
  60                                 e->mac[0], e->mac[1], e->mac[2],
  61                                 e->mac[3], e->mac[4], e->mac[5]);
  62
  63                         lua_newtable(L);
  64
  65                         lua_pushnumber(L, e->signal);
  66                         lua_setfield(L, -2, "signal");
  67
  68                         lua_pushnumber(L, e->noise);
  69                         lua_setfield(L, -2, "noise");
  70
  71                         lua_setfield(L, -2, macstr);
  72                 }
  73         }
  74
  75         return 1;
  76 }
  77
  78 /* Broadcom */
  79 LUA_WRAP_INT(wl,channel)
  80 LUA_WRAP_INT(wl,frequency)
  81 LUA_WRAP_INT(wl,bitrate)
  82 LUA_WRAP_INT(wl,signal)
  83 LUA_WRAP_INT(wl,noise)
  84 LUA_WRAP_INT(wl,quality)
  85 LUA_WRAP_INT(wl,quality_max)
  86 LUA_WRAP_INT(wl,mbssid_support)
  87 LUA_WRAP_STRING(wl,mode)
  88 LUA_WRAP_STRING(wl,ssid)
  89 LUA_WRAP_STRING(wl,bssid)
  90 LUA_WRAP_STRING(wl,enctype)
  91 LUA_WRAP_ASSOCLIST(wl)
  92
  93 /* Madwifi */
  94 LUA_WRAP_INT(madwifi,channel)
  95 LUA_WRAP_INT(madwifi,frequency)
  96 LUA_WRAP_INT(madwifi,bitrate)
  97 LUA_WRAP_INT(madwifi,signal)
  98 LUA_WRAP_INT(madwifi,noise)
  99 LUA_WRAP_INT(madwifi,quality)
 100 LUA_WRAP_INT(madwifi,quality_max)
 101 LUA_WRAP_INT(madwifi,mbssid_support)
 102 LUA_WRAP_STRING(madwifi,mode)
 103 LUA_WRAP_STRING(madwifi,ssid)
 104 LUA_WRAP_STRING(madwifi,bssid)
 105 LUA_WRAP_STRING(madwifi,enctype)
 106 LUA_WRAP_ASSOCLIST(madwifi)
 107
 108 /* Wext */
 109 LUA_WRAP_INT(wext,channel)
 110 LUA_WRAP_INT(wext,frequency)
 111 LUA_WRAP_INT(wext,bitrate)
 112 LUA_WRAP_INT(wext,signal)
 113 LUA_WRAP_INT(wext,noise)
 114 LUA_WRAP_INT(wext,quality)
 115 LUA_WRAP_INT(wext,quality_max)
 116 LUA_WRAP_INT(wext,mbssid_support)
 117 LUA_WRAP_STRING(wext,mode)
 118 LUA_WRAP_STRING(wext,ssid)
 119 LUA_WRAP_STRING(wext,bssid)
 120 LUA_WRAP_STRING(wext,enctype)
 121 LUA_WRAP_ASSOCLIST(wext)
 122
 123 /* Broadcom table */
 124 static const luaL_reg R_wl[] = {
 125         LUA_REG(wl,channel),
 126         LUA_REG(wl,frequency),
 127         LUA_REG(wl,bitrate),
 128         LUA_REG(wl,signal),
 129         LUA_REG(wl,noise),
 130         LUA_REG(wl,quality),
 131         LUA_REG(wl,quality_max),
 132         LUA_REG(wl,mode),
 133         LUA_REG(wl,ssid),
 134         LUA_REG(wl,bssid),
 135         LUA_REG(wl,enctype),
 136         LUA_REG(wl,assoclist),
 137         LUA_REG(wl,mbssid_support),
 138         { NULL, NULL }
 139 };
 140
 141 /* Madwifi table */
 142 static const luaL_reg R_madwifi[] = {
 143         LUA_REG(madwifi,channel),
 144         LUA_REG(madwifi,frequency),
 145         LUA_REG(madwifi,bitrate),
 146         LUA_REG(madwifi,signal),
 147         LUA_REG(madwifi,noise),
 148         LUA_REG(madwifi,quality),
 149         LUA_REG(madwifi,quality_max),
 150         LUA_REG(madwifi,mode),
 151         LUA_REG(madwifi,ssid),
 152         LUA_REG(madwifi,bssid),
 153         LUA_REG(madwifi,enctype),
 154         LUA_REG(madwifi,assoclist),
 155         LUA_REG(madwifi,mbssid_support),
 156         { NULL, NULL }
 157 };
 158
 159 /* Wext table */
 160 static const luaL_reg R_wext[] = {
 161         LUA_REG(wext,channel),
 162         LUA_REG(wext,frequency),
 163         LUA_REG(wext,bitrate),
 164         LUA_REG(wext,signal),
 165         LUA_REG(wext,noise),
 166         LUA_REG(wext,quality),
 167         LUA_REG(wext,quality_max),
 168         LUA_REG(wext,mode),
 169         LUA_REG(wext,ssid),
 170         LUA_REG(wext,bssid),
 171         LUA_REG(wext,enctype),
 172         LUA_REG(wext,assoclist),
 173         LUA_REG(wext,mbssid_support),
 174         { NULL, NULL }
 175 };
 176
 177 /* Common */
 178 static const luaL_reg R_common[] = {
 179         { "type", iwinfo_L_type },
 180         { NULL, NULL }
 181 };
 182
 183
 184 LUALIB_API int luaopen_iwinfo(lua_State *L) {
 185         luaL_register(L, IWINFO_META, R_common);
 186
 187         luaL_newmetatable(L, IWINFO_WL_META);
 188         luaL_register(L, NULL, R_wl);
 189         lua_pushvalue(L, -1);
 190         lua_setfield(L, -2, "__index");
 191         lua_setfield(L, -2, "wl");
 192
 193         luaL_newmetatable(L, IWINFO_MADWIFI_META);
 194         luaL_register(L, NULL, R_madwifi);
 195         lua_pushvalue(L, -1);
 196         lua_setfield(L, -2, "__index");
 197         lua_setfield(L, -2, "madwifi");
 198
 199         luaL_newmetatable(L, IWINFO_WEXT_META);
 200         luaL_register(L, NULL, R_wext);
 201         lua_pushvalue(L, -1);
 202         lua_setfield(L, -2, "__index");
 203         lua_setfield(L, -2, "wext");
 204
 205         return 1;
 206 }
 207