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- // WiFi Event Monitor
- #include "module.h"
- #include "lauxlib.h"
- #include "platform.h"
- #include <string.h>
- #include <stddef.h>
- #include <stdint.h>
- #include "user_interface.h"
- #include "smart/smart.h"
- #include "smartconfig.h"
- #include "user_config.h"
- #include "wifi_common.h"
- #if defined(LUA_USE_MODULES_WIFI)
- #ifdef WIFI_SDK_EVENT_MONITOR_ENABLE
- //variables for wifi event monitor
- static task_handle_t wifi_event_monitor_task_id; //variable to hold task id for task handler(process_event_queue)
- static int wifi_event_cb_ref[EVENT_MAX+1] = { [0 ... EVENT_MAX] = LUA_NOREF}; //holds references to registered Lua callbacks
- #ifdef LUA_USE_MODULES_WIFI_MONITOR
- static int (*hook_fn)(System_Event_t *);
- void wifi_event_monitor_register_hook(int (*fn)(System_Event_t*)) {
- hook_fn = fn;
- }
- #endif
- // wifi.eventmon.register()
- int wifi_event_monitor_register(lua_State* L)
- {
- uint8 id = (uint8)luaL_checkinteger(L, 1);
- if ( id > EVENT_MAX ) //Check if user is trying to register a callback for a valid event.
- {
- return luaL_error( L, "valid wifi events:0-%d", EVENT_MAX );
- }
- else
- {
- if (lua_isfunction(L, 2)) //check if 2nd item on stack is a function
- {
- lua_pushvalue(L, 2); // copy argument (func) to the top of stack
- register_lua_cb(L, &wifi_event_cb_ref[id]); //pop function from top of the stack, register it in the LUA_REGISTRY, then assign lua_ref to wifi_event_cb_ref[id]
- }
- else // unregister user's callback
- {
- unregister_lua_cb(L, &wifi_event_cb_ref[id]);
- }
- return 0;
- }
- }
- static sint32_t event_queue_ref = LUA_NOREF;
- static void wifi_event_monitor_handle_event_cb(System_Event_t *evt)
- {
- EVENT_DBG("was called (Event:%d)", evt->event);
- #ifdef LUA_USE_MODULES_WIFI_MONITOR
- if (hook_fn && hook_fn(evt)) {
- return;
- }
- #endif
- if((wifi_event_cb_ref[evt->event] != LUA_NOREF) || ((wifi_event_cb_ref[EVENT_MAX] != LUA_NOREF) &&
- !(evt->event == EVENT_STAMODE_CONNECTED || evt->event == EVENT_STAMODE_DISCONNECTED ||
- evt->event == EVENT_STAMODE_AUTHMODE_CHANGE || evt->event == EVENT_STAMODE_GOT_IP ||
- evt->event == EVENT_STAMODE_DHCP_TIMEOUT || evt->event == EVENT_SOFTAPMODE_STACONNECTED ||
- evt->event == EVENT_SOFTAPMODE_STADISCONNECTED || evt->event == EVENT_SOFTAPMODE_PROBEREQRECVED ||
- evt->event == EVENT_OPMODE_CHANGED)))
- {
- lua_State* L = lua_getstate();
- if(event_queue_ref == LUA_NOREF){ //if event queue has not been created, create it now
- lua_newtable(L);
- event_queue_ref = luaL_ref(L, LUA_REGISTRYINDEX);
- }
- lua_rawgeti(L, LUA_REGISTRYINDEX, event_queue_ref);
- System_Event_t* evt_tmp = lua_newuserdata(L, sizeof(System_Event_t));
- memcpy(evt_tmp, evt, sizeof(System_Event_t)); //copy event data to new struct
- sint32_t evt_ud_ref = luaL_ref(L, LUA_REGISTRYINDEX);
- size_t queue_len = lua_objlen(L, -1);
- //add event to queue
- lua_pushinteger(L, queue_len+1);
- lua_pushinteger(L, evt_ud_ref);
- lua_rawset(L, -3);
- if(queue_len == 0){ //if queue was empty, post task
- EVENT_DBG("Posting task");
- task_post_low(wifi_event_monitor_task_id, false);
- }
- else{
- EVENT_DBG("Appending queue, items in queue: %d", lua_objlen(L, -1));
- }
- lua_pop(L, 1);
- } //else{} //there are no callbacks registered, so the event can't be processed
- }
- static void wifi_event_monitor_process_event_queue(task_param_t param, uint8 priority)
- {
- lua_State* L = lua_getstate();
- lua_rawgeti(L, LUA_REGISTRYINDEX, event_queue_ref);
- int index = 1;
- lua_rawgeti(L, 1, index);
- sint32 event_ref = lua_tointeger(L, -1);
- lua_pop(L, 1);
- //remove event reference from queue
- int queue_length = lua_objlen(L, 1);
- lua_rawgeti(L, 1, index);
- for(; index<queue_length;index++){
- lua_rawgeti(L, 1, index+1);
- lua_rawseti(L, 1, index);
- }
- lua_pushnil(L);
- lua_rawseti(L, 1, queue_length);
- lua_pop(L, 1);
- lua_rawgeti(L, LUA_REGISTRYINDEX, event_ref); //get event userdata from registry
- System_Event_t *evt = lua_touserdata(L, -1);
- lua_pop(L, 1); //pop userdata from stack
- queue_length = lua_objlen(L, 1);
- if (queue_length>0){
- task_post_low(wifi_event_monitor_task_id, false); //post task to process next item in queue
- EVENT_DBG("%d events left in queue, posting task", queue_length);
- }
- lua_pop(L, 1); //pop event queue from stack
- if(wifi_event_cb_ref[evt->event] != LUA_NOREF) // check if user has registered a callback
- {
- lua_rawgeti(L, LUA_REGISTRYINDEX, wifi_event_cb_ref[evt->event]); //get user's callback
- }
- else if((wifi_event_cb_ref[EVENT_MAX]!=LUA_NOREF) &&
- !(evt->event==EVENT_STAMODE_CONNECTED||evt->event==EVENT_STAMODE_DISCONNECTED||
- evt->event==EVENT_STAMODE_AUTHMODE_CHANGE||evt->event==EVENT_STAMODE_GOT_IP||
- evt->event==EVENT_STAMODE_DHCP_TIMEOUT||evt->event==EVENT_SOFTAPMODE_STACONNECTED||
- evt->event==EVENT_SOFTAPMODE_STADISCONNECTED||evt->event==EVENT_SOFTAPMODE_PROBEREQRECVED))
- { //if user has registered an EVENT_MAX(default) callback and event is not implemented...
- lua_rawgeti(L, LUA_REGISTRYINDEX, wifi_event_cb_ref[EVENT_MAX]); //get user's callback
- }
- lua_newtable( L );
- switch (evt->event)
- {
- case EVENT_STAMODE_CONNECTED:
- EVENT_DBG("Event: %d (STAMODE_CONNECTED)", EVENT_STAMODE_CONNECTED);
- wifi_add_sprintf_field(L, "SSID", (char*)evt->event_info.connected.ssid);
- wifi_add_sprintf_field(L, "BSSID", MACSTR, MAC2STR(evt->event_info.connected.bssid));
- wifi_add_int_field(L, "channel", evt->event_info.connected.channel);
- EVENT_DBG("Connected to SSID %s, Channel %d",
- evt->event_info.connected.ssid,
- evt->event_info.connected.channel);
- break;
- case EVENT_STAMODE_DISCONNECTED:
- EVENT_DBG("Event: %d (STAMODE_DISCONNECTED)", EVENT_STAMODE_DISCONNECTED);
- wifi_add_sprintf_field(L, "SSID", (char*)evt->event_info.disconnected.ssid);
- wifi_add_int_field(L, "reason", evt->event_info.disconnected.reason);
- wifi_add_sprintf_field(L, "BSSID", MACSTR, MAC2STR(evt->event_info.disconnected.bssid));
- EVENT_DBG("Disconnect from SSID %s, reason %d",
- evt->event_info.disconnected.ssid,
- evt->event_info.disconnected.reason);
- break;
- case EVENT_STAMODE_AUTHMODE_CHANGE:
- EVENT_DBG("Event: %d (STAMODE_AUTHMODE_CHANGE)", EVENT_STAMODE_AUTHMODE_CHANGE);
- wifi_add_int_field(L, "old_auth_mode", evt->event_info.auth_change.old_mode);
- wifi_add_int_field(L, "new_auth_mode", evt->event_info.auth_change.new_mode);
- EVENT_DBG("Authmode: %u -> %u",
- evt->event_info.auth_change.old_mode,
- evt->event_info.auth_change.new_mode);
- break;
- case EVENT_STAMODE_GOT_IP:
- EVENT_DBG("Event: %d (STAMODE_GOT_IP)", EVENT_STAMODE_GOT_IP);
- wifi_add_sprintf_field(L, "IP", IPSTR, IP2STR(&evt->event_info.got_ip.ip));
- wifi_add_sprintf_field(L, "netmask", IPSTR, IP2STR(&evt->event_info.got_ip.mask));
- wifi_add_sprintf_field(L, "gateway", IPSTR, IP2STR(&evt->event_info.got_ip.gw));
- EVENT_DBG("IP:" IPSTR ",Mask:" IPSTR ",GW:" IPSTR "",
- IP2STR(&evt->event_info.got_ip.ip),
- IP2STR(&evt->event_info.got_ip.mask),
- IP2STR(&evt->event_info.got_ip.gw));
- break;
- case EVENT_STAMODE_DHCP_TIMEOUT:
- EVENT_DBG("Event: %d (STAMODE_DHCP_TIMEOUT)", EVENT_STAMODE_DHCP_TIMEOUT);
- break;
- case EVENT_SOFTAPMODE_STACONNECTED:
- EVENT_DBG("Event: %d (SOFTAPMODE_STACONNECTED)", EVENT_SOFTAPMODE_STACONNECTED);
- wifi_add_sprintf_field(L, "MAC", MACSTR, MAC2STR(evt->event_info.sta_connected.mac));
- wifi_add_int_field(L, "AID", evt->event_info.sta_connected.aid);
- EVENT_DBG("Station: " MACSTR "join, AID = %d",
- MAC2STR(evt->event_info.sta_connected.mac),
- evt->event_info.sta_connected.aid);
- break;
- case EVENT_SOFTAPMODE_STADISCONNECTED:
- EVENT_DBG("Event: %d (SOFTAPMODE_STADISCONNECTED)", EVENT_SOFTAPMODE_STADISCONNECTED);
- wifi_add_sprintf_field(L, "MAC", MACSTR, MAC2STR(evt->event_info.sta_disconnected.mac));
- wifi_add_int_field(L, "AID", evt->event_info.sta_disconnected.aid);
- EVENT_DBG("station: " MACSTR "leave, AID = %d",
- MAC2STR(evt->event_info.sta_disconnected.mac),
- evt->event_info.sta_disconnected.aid);
- break;
- case EVENT_SOFTAPMODE_PROBEREQRECVED:
- EVENT_DBG("Event: %d (SOFTAPMODE_PROBEREQRECVED)", EVENT_SOFTAPMODE_PROBEREQRECVED);
- wifi_add_sprintf_field(L, "MAC", MACSTR, MAC2STR(evt->event_info.ap_probereqrecved.mac));
- wifi_add_int_field(L, "RSSI", evt->event_info.ap_probereqrecved.rssi);
- EVENT_DBG("Station PROBEREQ: " MACSTR " RSSI = %d",
- MAC2STR(evt->event_info.ap_probereqrecved.mac),
- evt->event_info.ap_probereqrecved.rssi);
- break;
- case EVENT_OPMODE_CHANGED:
- EVENT_DBG("Event: %d (OPMODE_CHANGED)", EVENT_OPMODE_CHANGED);
- wifi_add_int_field(L, "old_mode", evt->event_info.opmode_changed.old_opmode);
- wifi_add_int_field(L, "new_mode", evt->event_info.opmode_changed.new_opmode);
- EVENT_DBG("opmode: %u -> %u",
- evt->event_info.opmode_changed.old_opmode,
- evt->event_info.opmode_changed.new_opmode);
- break;
- default://if event is not implemented, return event id
- EVENT_DBG("Event: %d (switch/case default)", evt->event);
- wifi_add_sprintf_field(L, "info", "event %u not implemented", evt->event);
- break;
- }
- luaL_unref(L, LUA_REGISTRYINDEX, event_ref); //the userdata containing event info is no longer needed
- event_ref = LUA_NOREF;
- luaL_pcallx(L, 1, 0); //execute user's callback and pass Lua table
- return;
- }
- #ifdef WIFI_EVENT_MONITOR_DISCONNECT_REASON_LIST_ENABLE
- LROT_BEGIN(wifi_event_monitor_reason, NULL, 0)
- LROT_NUMENTRY( UNSPECIFIED, REASON_UNSPECIFIED )
- LROT_NUMENTRY( AUTH_EXPIRE, REASON_AUTH_EXPIRE )
- LROT_NUMENTRY( AUTH_LEAVE, REASON_AUTH_LEAVE )
- LROT_NUMENTRY( ASSOC_EXPIRE, REASON_ASSOC_EXPIRE )
- LROT_NUMENTRY( ASSOC_TOOMANY, REASON_ASSOC_TOOMANY )
- LROT_NUMENTRY( NOT_AUTHED, REASON_NOT_AUTHED )
- LROT_NUMENTRY( NOT_ASSOCED, REASON_NOT_ASSOCED )
- LROT_NUMENTRY( ASSOC_LEAVE, REASON_ASSOC_LEAVE )
- LROT_NUMENTRY( ASSOC_NOT_AUTHED, REASON_ASSOC_NOT_AUTHED )
- LROT_NUMENTRY( DISASSOC_PWRCAP_BAD, REASON_DISASSOC_PWRCAP_BAD )
- LROT_NUMENTRY( DISASSOC_SUPCHAN_BAD, REASON_DISASSOC_SUPCHAN_BAD )
- LROT_NUMENTRY( IE_INVALID, REASON_IE_INVALID )
- LROT_NUMENTRY( MIC_FAILURE, REASON_MIC_FAILURE )
- LROT_NUMENTRY( 4WAY_HANDSHAKE_TIMEOUT, REASON_4WAY_HANDSHAKE_TIMEOUT )
- LROT_NUMENTRY( GROUP_KEY_UPDATE_TIMEOUT, REASON_GROUP_KEY_UPDATE_TIMEOUT )
- LROT_NUMENTRY( IE_IN_4WAY_DIFFERS, REASON_IE_IN_4WAY_DIFFERS )
- LROT_NUMENTRY( GROUP_CIPHER_INVALID, REASON_GROUP_CIPHER_INVALID )
- LROT_NUMENTRY( PAIRWISE_CIPHER_INVALID, REASON_PAIRWISE_CIPHER_INVALID )
- LROT_NUMENTRY( AKMP_INVALID, REASON_AKMP_INVALID )
- LROT_NUMENTRY( UNSUPP_RSN_IE_VERSION, REASON_UNSUPP_RSN_IE_VERSION )
- LROT_NUMENTRY( INVALID_RSN_IE_CAP, REASON_INVALID_RSN_IE_CAP )
- LROT_NUMENTRY( 802_1X_AUTH_FAILED, REASON_802_1X_AUTH_FAILED )
- LROT_NUMENTRY( CIPHER_SUITE_REJECTED, REASON_CIPHER_SUITE_REJECTED )
- LROT_NUMENTRY( BEACON_TIMEOUT, REASON_BEACON_TIMEOUT )
- LROT_NUMENTRY( NO_AP_FOUND, REASON_NO_AP_FOUND )
- LROT_NUMENTRY( AUTH_FAIL, REASON_AUTH_FAIL )
- LROT_NUMENTRY( ASSOC_FAIL, REASON_ASSOC_FAIL )
- LROT_NUMENTRY( HANDSHAKE_TIMEOUT, REASON_HANDSHAKE_TIMEOUT )
- LROT_END(wifi_event_monitor_reason, NULL, 0)
- #endif
- LROT_BEGIN(wifi_event_monitor, NULL, 0)
- LROT_FUNCENTRY( register, wifi_event_monitor_register )
- LROT_FUNCENTRY( unregister, wifi_event_monitor_register )
- LROT_NUMENTRY( STA_CONNECTED, EVENT_STAMODE_CONNECTED )
- LROT_NUMENTRY( STA_DISCONNECTED, EVENT_STAMODE_DISCONNECTED )
- LROT_NUMENTRY( STA_AUTHMODE_CHANGE, EVENT_STAMODE_AUTHMODE_CHANGE )
- LROT_NUMENTRY( STA_GOT_IP, EVENT_STAMODE_GOT_IP )
- LROT_NUMENTRY( STA_DHCP_TIMEOUT, EVENT_STAMODE_DHCP_TIMEOUT )
- LROT_NUMENTRY( AP_STACONNECTED, EVENT_SOFTAPMODE_STACONNECTED )
- LROT_NUMENTRY( AP_STADISCONNECTED, EVENT_SOFTAPMODE_STADISCONNECTED )
- LROT_NUMENTRY( AP_PROBEREQRECVED, EVENT_SOFTAPMODE_PROBEREQRECVED )
- LROT_NUMENTRY( WIFI_MODE_CHANGED, EVENT_OPMODE_CHANGED )
- LROT_NUMENTRY( EVENT_MAX, EVENT_MAX )
- #ifdef WIFI_EVENT_MONITOR_DISCONNECT_REASON_LIST_ENABLE
- LROT_TABENTRY( reason, wifi_event_monitor_reason )
- #endif
- LROT_END(wifi_event_monitor, NULL, 0)
- void wifi_eventmon_init()
- {
- wifi_event_monitor_task_id = task_get_id(wifi_event_monitor_process_event_queue);//get task id from task interface
- wifi_set_event_handler_cb(wifi_event_monitor_handle_event_cb);
- return;
- }
- #endif
- #endif
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