libs: introduce iwinfo - wireless information abstraction for proprietary broadcom, madwifi and mac80211 drivers.

1 files changed, 195 insertions, 0 deletions

diff --git a/libs/iwinfo/src/iwinfo_lualib.c b/libs/iwinfo/src/iwinfo_lualib.c
new file mode 100644
index 000000000..4663d3414
--- /dev/null
+++ b/libs/iwinfo/src/iwinfo_lualib.c
@@ -0,0 +1,195 @@
+/*
+ * iwinfo - Wireless Information Library - Lua Bindings
+ *
+ *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
+ *
+ * The iwinfo library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * The iwinfo library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
+ */
+
+#include "iwinfo_lualib.h"
+
+/* Determine type */
+int iwinfo_L_type(lua_State *L)
+{
+	const char *ifname = luaL_checkstring(L, 1);
+
+	if( wl_probe(ifname) )
+		lua_pushstring(L, "wl");
+
+	else if( madwifi_probe(ifname) )
+		lua_pushstring(L, "madwifi");
+
+	else if( wext_probe(ifname) )
+		lua_pushstring(L, "wext");
+
+	else
+		lua_pushnil(L);
+
+	return 1;
+}
+
+/* Wrapper for assoclist */
+int iwinfo_L_assoclist(lua_State *L, int (*func)(const char *, char *, int *))
+{
+	int i, len;
+	char rv[IWINFO_BUFSIZE];
+	char macstr[18];
+	const char *ifname = luaL_checkstring(L, 1);
+	struct iwinfo_assoclist_entry *e;
+
+	lua_newtable(L);
+	memset(rv, 0, sizeof(rv));
+
+	if( !(*func)(ifname, rv, &len) )
+	{
+		for( i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry) )
+		{
+			e = (struct iwinfo_assoclist_entry *) &rv[i];
+
+			sprintf(macstr, "%02X:%02X:%02X:%02X:%02X:%02X",
+				e->mac[0], e->mac[1], e->mac[2],
+				e->mac[3], e->mac[4], e->mac[5]);
+
+			lua_newtable(L);
+
+			lua_pushnumber(L, e->signal);
+			lua_setfield(L, -2, "signal");
+			
+			lua_pushnumber(L, e->noise);
+			lua_setfield(L, -2, "noise");
+
+			lua_setfield(L, -2, macstr);
+		}
+	}
+
+	return 1;
+}
+
+/* Broadcom */
+LUA_WRAP_INT(wl,channel)
+LUA_WRAP_INT(wl,bitrate)
+LUA_WRAP_INT(wl,signal)
+LUA_WRAP_INT(wl,noise)
+LUA_WRAP_INT(wl,quality)
+LUA_WRAP_INT(wl,quality_max)
+LUA_WRAP_STRING(wl,mode)
+LUA_WRAP_STRING(wl,ssid)
+LUA_WRAP_STRING(wl,bssid)
+LUA_WRAP_STRING(wl,enctype)
+LUA_WRAP_ASSOCLIST(wl)
+
+/* Madwifi */
+LUA_WRAP_INT(madwifi,channel)
+LUA_WRAP_INT(madwifi,bitrate)
+LUA_WRAP_INT(madwifi,signal)
+LUA_WRAP_INT(madwifi,noise)
+LUA_WRAP_INT(madwifi,quality)
+LUA_WRAP_INT(madwifi,quality_max)
+LUA_WRAP_STRING(madwifi,mode)
+LUA_WRAP_STRING(madwifi,ssid)
+LUA_WRAP_STRING(madwifi,bssid)
+LUA_WRAP_STRING(madwifi,enctype)
+LUA_WRAP_ASSOCLIST(madwifi)
+
+/* Wext */
+LUA_WRAP_INT(wext,channel)
+LUA_WRAP_INT(wext,bitrate)
+LUA_WRAP_INT(wext,signal)
+LUA_WRAP_INT(wext,noise)
+LUA_WRAP_INT(wext,quality)
+LUA_WRAP_INT(wext,quality_max)
+LUA_WRAP_STRING(wext,mode)
+LUA_WRAP_STRING(wext,ssid)
+LUA_WRAP_STRING(wext,bssid)
+LUA_WRAP_STRING(wext,enctype)
+LUA_WRAP_ASSOCLIST(wext)
+
+/* Broadcom table */
+static const luaL_reg R_wl[] = {
+	LUA_REG(wl,channel),
+	LUA_REG(wl,bitrate),
+	LUA_REG(wl,signal),
+	LUA_REG(wl,noise),
+	LUA_REG(wl,quality),
+	LUA_REG(wl,quality_max),
+	LUA_REG(wl,mode),
+	LUA_REG(wl,ssid),
+	LUA_REG(wl,bssid),
+	LUA_REG(wl,enctype),
+	LUA_REG(wl,assoclist),
+	{ NULL, NULL }
+};
+
+/* Madwifi table */
+static const luaL_reg R_madwifi[] = {
+	LUA_REG(madwifi,channel),
+	LUA_REG(madwifi,bitrate),
+	LUA_REG(madwifi,signal),
+	LUA_REG(madwifi,noise),
+	LUA_REG(madwifi,quality),
+	LUA_REG(madwifi,quality_max),
+	LUA_REG(madwifi,mode),
+	LUA_REG(madwifi,ssid),
+	LUA_REG(madwifi,bssid),
+	LUA_REG(madwifi,enctype),
+	LUA_REG(madwifi,assoclist),
+	{ NULL, NULL }
+};
+
+/* Wext table */
+static const luaL_reg R_wext[] = {
+	LUA_REG(wext,channel),
+	LUA_REG(wext,bitrate),
+	LUA_REG(wext,signal),
+	LUA_REG(wext,noise),
+	LUA_REG(wext,quality),
+	LUA_REG(wext,quality_max),
+	LUA_REG(wext,mode),
+	LUA_REG(wext,ssid),
+	LUA_REG(wext,bssid),
+	LUA_REG(wext,enctype),
+	LUA_REG(wext,assoclist),
+	{ NULL, NULL }
+};
+
+/* Common */
+static const luaL_reg R_common[] = {
+	{ "type", iwinfo_L_type },
+	{ NULL, NULL }
+};
+
+
+LUALIB_API int luaopen_iwinfo(lua_State *L) {
+	luaL_register(L, IWINFO_META, R_common);
+
+	luaL_newmetatable(L, IWINFO_WL_META);
+	luaL_register(L, NULL, R_wl);
+	lua_pushvalue(L, -1);
+	lua_setfield(L, -2, "__index");
+	lua_setfield(L, -2, "wl");
+
+	luaL_newmetatable(L, IWINFO_MADWIFI_META);
+	luaL_register(L, NULL, R_madwifi);
+	lua_pushvalue(L, -1);
+	lua_setfield(L, -2, "__index");
+	lua_setfield(L, -2, "madwifi");
+
+	luaL_newmetatable(L, IWINFO_WEXT_META);
+	luaL_register(L, NULL, R_wext);
+	lua_pushvalue(L, -1);
+	lua_setfield(L, -2, "__index");
+	lua_setfield(L, -2, "wext");
+
+	return 1;
+}
+