int ICACHE_FLASH_ATTR http_relay_api_toggle(http_connection *c) {
NODE_DBG("http_wifi_api_get_status");
//wait for whole body
if(c->state <HTTPD_STATE_BODY_END)
return HTTPD_CGI_MORE;
int ret = json_count_token(c->body.data,c->body.len);
jsonPair fields[1]={
{
.key="relay",
.value=NULL
}
};
if(json_parse(&fields[0],1,c->body.data,c->body.len)){
int relayNumber = atoi(fields[0].value);
if(relayNumber<0 || relayNumber >=relay_count()){
http_response_BAD_REQUEST(c);
NODE_DBG("Wrong relay");
return HTTPD_CGI_DONE;
}
unsigned status = relay_get_state(relayNumber);
status = relay_toggle_state(relayNumber);
//write headers
http_SET_HEADER(c,HTTP_CONTENT_TYPE,JSON_CONTENT_TYPE);
http_response_OK(c);
write_json_object_start(c);
write_json_pair_int(c,"relay",relayNumber);
write_json_list_separator(c);
write_json_pair_int(c,"state",status);
write_json_object_end(c);
return HTTPD_CGI_DONE;
}
else{
http_response_BAD_REQUEST(c);
return HTTPD_CGI_DONE;
}
http_response_BAD_REQUEST(c);
return HTTPD_CGI_DONE;
}
int ICACHE_FLASH_ATTR http_relay_api_toggle(http_connection *c) {
NODE_DBG("http_wifi_api_get_status");
//wait for whole body
if(c->state <HTTPD_STATE_BODY_END)
return HTTPD_CGI_MORE;
//parse json
cJSON * root = cJSON_Parse(c->body.data);
if(root==NULL) goto badrequest;
cJSON * relay = cJSON_GetObjectItem(root,"relay");
if(relay==NULL) goto badrequest;
int relayNumber = relay->valueint;
cJSON_Delete(root);
if(relayNumber<0 || relayNumber >=relay_count()){
http_response_BAD_REQUEST(c);
NODE_DBG("Wrong relay");
return HTTPD_CGI_DONE;
}
else{
//valid relay
unsigned status = relay_get_state(relayNumber);
status = relay_toggle_state(relayNumber);
//write headers
http_SET_HEADER(c,HTTP_CONTENT_TYPE,JSON_CONTENT_TYPE);
http_response_OK(c);
//create json
root = cJSON_CreateObject();
cJSON_AddNumberToObject(root,"relay",relayNumber);
cJSON_AddNumberToObject(root,"state",status);
http_write_json(c,root);
//delete json struct
cJSON_Delete(root);
return HTTPD_CGI_DONE;
}
badrequest:
http_response_BAD_REQUEST(c);
return HTTPD_CGI_DONE;
}
static void mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t data_len)
{
char *topicBuf = (char*)os_zalloc(topic_len+1),
*dataBuf = (char*)os_zalloc(data_len+1);
MQTT_Client* client = (MQTT_Client*)args;
os_memcpy(topicBuf, topic, topic_len);
topicBuf[topic_len] = 0;
os_memcpy(dataBuf, data, data_len);
dataBuf[data_len] = 0;
MQTT_DBG("Receive topic: %s, data: %s ", topicBuf, dataBuf);
os_free(topicBuf);
os_free(dataBuf);
// set relay
int i;
for(i=0;i<relay_count();i++){
mqtt_relay *r = &relays[i];
//compare topic
if(os_strncmp(topic,r->topic,strlen(r->topic))==0){
MQTT_DBG("Topic 1st part match");
//check set suffix
if(os_strncmp(topic+strlen(r->topic),MQTT_RELAY_SET_SUFIX,strlen(MQTT_RELAY_SET_SUFIX))==0)
{
MQTT_DBG("Topic 2nd part match");
int state = data[0] - '0';
if(state==0 || state == 1)
{
MQTT_DBG("Setting relay #%d to %d via MQTT", i, state);
relay_set_state(i,state);
break;
}
}
}
}
}
int ICACHE_FLASH_ATTR http_relay_api_status(http_connection *c) {
NODE_DBG("http_wifi_api_get_status");
//wait for whole body
if(c->state <HTTPD_STATE_BODY_END)
return HTTPD_CGI_MORE;
//write headers
http_SET_HEADER(c,HTTP_CONTENT_TYPE,JSON_CONTENT_TYPE);
http_response_OK(c);
write_json_object_start(c);
write_json_key(c,"relays");
write_json_object_separator(c);
write_json_array_start(c);
int i;
for(i=0;i<relay_count();i++){
if(i>0)
write_json_list_separator(c);
write_json_object_start(c);
write_json_pair_int(c,"relay",i);
write_json_list_separator(c);
write_json_pair_int(c,"state",relay_get_state(i));
write_json_object_end(c);
}
write_json_array_end(c);
write_json_object_end(c);
return HTTPD_CGI_DONE;
}
static void mqttConnectedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
MQTT_DBG("MQTT: Connected");
int i;
for(i=0;i<relay_count();i++){
char * setTopic = (char *)os_zalloc(strlen(relays[i].topic)+strlen(MQTT_RELAY_SET_SUFIX)+1);
os_strcpy(setTopic,relays[i].topic);
os_strcat(setTopic,MQTT_RELAY_SET_SUFIX);
MQTT_Subscribe(client, setTopic, 1);
os_free(setTopic);
mqtt_relay_change_cb(i,-1); //force 1st publish
}
}
void ICACHE_FLASH_ATTR mqtt_app_init(){
//set relays
int i;
for(i=0;i<relay_count();i++){
relays[i].id=i;
os_strcpy(relays[i].topic,"relay/");
os_strcat(relays[i].topic,SERIAL_NUMBER"/");
os_strcati(relays[i].topic,i);
}
//register listeners
relay_register_listener(mqtt_relay_change_cb);
MQTT_InitConnection(&mqtt_client, MQTT_SERVER_IP, 1883, 0);
MQTT_InitClient(&mqtt_client, SERIAL_NUMBER, NULL, NULL, 120, 1);
MQTT_OnConnected(&mqtt_client, mqttConnectedCb);
MQTT_OnDisconnected(&mqtt_client, mqttDisconnectedCb);
MQTT_OnPublished(&mqtt_client, mqttPublishedCb);
MQTT_OnData(&mqtt_client, mqttDataCb);
//arm mqtt timer
os_memset(&mqtt_timer,0,sizeof(os_timer_t));
os_timer_disarm(&mqtt_timer);
os_timer_setfn(&mqtt_timer, (os_timer_func_t *)mqtt_app_timer_cb, NULL);
os_timer_arm(&mqtt_timer, 2000, 1);
//arm sensor read timer
os_memset(&sensor_read_timer,0,sizeof(os_timer_t));
os_timer_disarm(&sensor_read_timer);
os_timer_setfn(&sensor_read_timer, (os_timer_func_t *)sensor_read_timer_cb, NULL);
os_timer_arm(&sensor_read_timer, 5000, 1);
}
int ICACHE_FLASH_ATTR http_relay_api_status(http_connection *c) {
NODE_DBG("http_wifi_api_get_status");
//wait for whole body
if(c->state <HTTPD_STATE_BODY_END)
return HTTPD_CGI_MORE;
//write headers
http_SET_HEADER(c,HTTP_CONTENT_TYPE,JSON_CONTENT_TYPE);
http_response_OK(c);
cJSON *root, *relays, *fld;
root = cJSON_CreateObject();
cJSON_AddItemToObject(root, "relays", relays = cJSON_CreateArray());
int i;
for(i=0;i<relay_count();i++){
cJSON_AddItemToArray(relays,fld=cJSON_CreateObject());
cJSON_AddNumberToObject(fld,"relay",i);
cJSON_AddNumberToObject(fld,"state",relay_get_state(i));
}
http_write_json(c,root);
//delete json struct
cJSON_Delete(root);
return HTTPD_CGI_DONE;
}
