PROCESS_THREAD(sense_process, ev, data) {
PROCESS_BEGIN();
etimer_set(&timer, CLOCK_SECOND*20);
make_url();
while (1) {
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timer));
process_start(&httpd_ws_process, NULL);
post_json();
etimer_reset(&timer);
}
PROCESS_END();
}
void ICACHE_FLASH_ATTR server_recv_cb(void *arg, char *http_raw, unsigned short length) {
struct espconn *pespconn = (struct espconn *)arg;
//print("[server_recv_cb] Received data:");
char method[10];
char path[60];
char headers[60];
char body[256];
parse_http(http_raw, length, method, path, headers, body);
int GET = (os_strcmp(method, "GET") == 0);
int POST = (os_strcmp(method, "POST") == 0);
if (GET) { // No body if not [post/put/patch]ing
// Static files
if (os_strcmp(path, "/base.css") == 0) { send_ok(pespconn, base_css); }
else if (os_strcmp(path, "/connect.js") == 0) { send_ok(pespconn, connect_js); }
else if (os_strcmp(path, "/register.js") == 0) { send_ok(pespconn, register_js); }
// JSON responses
else if (os_strcmp(path, "/connection.json") == 0) {
int station_connect_status = wifi_station_get_connect_status();
if (station_connect_status == STATION_GOT_IP) {
struct ip_info ipConfig;
wifi_get_ip_info(STATION_IF, &ipConfig);
char json_str[54];
os_sprintf(json_str, "{\"status\": \"connected\", \"ip\": \"%d.%d.%d.%d\"}", IP2STR(&ipConfig.ip));
send_json(pespconn, json_str);
}
else {
char *status_str;
if (connection_status == CONNECTION_UNCONFIGURED) status_str = "unconfigured";
else
switch (station_connect_status) {
case STATION_CONNECTING: status_str = "connecting"; break;
case STATION_WRONG_PASSWORD: status_str = "failed"; break;
case STATION_NO_AP_FOUND: status_str = "failed"; break;
case STATION_CONNECT_FAIL: status_str = "failed"; break;
}
char json_str[54];
os_sprintf(json_str, "{\"status\": \"%s\"}", status_str);
send_json(pespconn, json_str);
}
}
else if (os_strcmp(path, "/registration.json") == 0) {
char *status_str;
switch (registration_status) {
case REGISTER_UNREGISTERED: status_str = "unregistered"; break;
case REGISTER_REGISTERING: status_str = "registering"; break;
case REGISTER_REGISTERED: status_str = "registered"; break;
case REGISTER_FAILED: status_str = "failed"; break;
}
char json_str[54];
os_sprintf(json_str, "{\"status\": \"%s\"}", status_str);
send_json(pespconn, json_str);
}
// HTML pages
else if (os_strcmp(path, "/read") == 0) {
if (registration_status == REGISTER_REGISTERED) {
char temp_json_str[128];
char hum_json_str[128];
measurement_json(temp_json_str, "temperature", "F", last_temp);
measurement_json(hum_json_str, "humidity", "%", last_hum);
char full_json_str[256] = "";
strcat(full_json_str, temp_json_str);
strcat(full_json_str, hum_json_str);
full_json_str[os_strlen(temp_json_str)+os_strlen(hum_json_str)] = 0;
send_ok_templated(pespconn, full_json_str);
} else {
send_ok_templated(pespconn, last_unknown);
}
}
else if (os_strcmp(path, "/register") == 0) {
send_ok_templated(pespconn, register_html);
}
else if (os_strcmp(path, "/scan.json") == 0) {
char json_str[256] = "[";
int si = 0;
for (; si < n_scanned; si++) {
char json_obj[100];
os_sprintf(json_obj, "{\"ssid\": \"%s\", \"rssi\": %d}", scanned_stations[si], scanned_dbs[si]);
os_strcat(json_str, json_obj);
if (si < n_scanned - 1) {
os_strcat(json_str, ",");
} else {
os_strcat(json_str, "]");
}
}
send_json(pespconn, json_str);
}
else if (os_strcmp(path, "/") == 0) {
send_ok_templated(pespconn, index_html);
}
else {
send_404(pespconn);
}
return;
}
else if (POST) {
// Parse JSON with jsmn
jsmn_parser parser;
jsmn_init(&parser);
jsmntok_t tokens[32];
jsmnerr_t r;
r = jsmn_parse(&parser, body, 1024, tokens, 256);
if (r < 0) {
//print("JSON Parse error?");
return;
}
// Look for ssid and pass
char station_ssid[20];
char station_pass[20];
//print("JSON Parse success?");
if (os_strcmp(path, "/connect.json") == 0) {
// Parse ssid and pass from JSON
int ti = 0;
int has_ssid = 0;
int has_pass = 0;
int on_ssid = 0;
int on_pass = 0;
for(; tokens[ti].end; ti++) {
char tv[256];
token_string(tv, body, tokens[ti]);
if (on_ssid) {
//print("Found ssid");
on_ssid = 0;
os_strcpy(station_ssid, tv);
has_ssid = 1;
}
if (on_pass) {
//print("Found pass");
on_pass = 0;
os_strcpy(station_pass, tv);
has_pass = 1;
if (has_ssid) { break; }
}
on_ssid = ti % 2 == 1 && os_strcmp(tv, "ssid") == 0;
on_pass = ti % 2 == 1 && os_strcmp(tv, "pass") == 0;
}
//ets_uart_printf("Hopefully ssid=%s and pass=%s\r\n", station_ssid, station_pass);
send_ok(pespconn, "<h1>maia</h1><p>OK</p>");
setup_station(station_ssid, station_pass);
}
else if (os_strcmp(path, "/register.json") == 0) {
// Parse email and password from JSON
int ti = 0;
char user_email[64];
char user_password[64];
int has_email = 0;
int has_password = 0;
int on_email = 0;
int on_password = 0;
for(; tokens[ti].end; ti++) {
char tv[256];
token_string(tv, body, tokens[ti]);
if (on_email) {
//print("Found email");
on_email = 0;
os_strcpy(user_email, tv);
has_email = 1;
}
if (on_password) {
//print("Found password");
on_password = 0;
os_strcpy(user_password, tv);
has_password = 1;
if (has_email) { break; }
}
on_email = ti % 2 == 1 && os_strcmp(tv, "email") == 0;
on_password = ti % 2 == 1 && os_strcmp(tv, "password") == 0;
}
char register_response[256];
os_sprintf(register_response, "Registering as %d...", DEVICE_ID);
send_ok_templated(pespconn, register_response);
char register_json[256];
os_sprintf(register_json, "{"
"\"device_id\": \"0x%x\","
"\"kind\": \"%s\","
"\"email\": \"%s\","
"\"password\": \"%s\""
"}", DEVICE_ID, DEVICE_KIND, user_email, user_password);
registration_status = REGISTER_REGISTERING;
post_json(API_BASE "/devices.json", register_json);
}
else {
send_404(pespconn);
}
return;
}
send_404(pespconn);
return;
}
void post_measurement(char *kind, char *unit, char *value) {
char json_str[128] = "";
measurement_json(json_str, kind, unit, value);
post_json(API_BASE "/measurements.json", json_str);
}
