feat: add SD-backed stats archive and dedicated /stats web console
This commit is contained in:
Jared Dohrman
@@ -0,0 +1,299 @@
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#include "NetworkService.h"
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#include <helpers/TxtDataHelpers.h>
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#include <string.h>
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#include <time.h>
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#if defined(ESP_PLATFORM)
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#include <WiFi.h>
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#include <esp_sntp.h>
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#endif
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namespace {
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#if defined(ESP_PLATFORM)
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constexpr unsigned long kWifiRetryMillis = 15000;
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constexpr unsigned long kWifiConnectTimeoutMillis = 45000;
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constexpr time_t kMinSaneEpoch = 1735689600; // 2025-01-01T00:00:00Z
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int getWifiQualityPercent(int rssi_dbm) {
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if (rssi_dbm <= -100) {
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return 0;
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}
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if (rssi_dbm >= -50) {
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return 100;
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}
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return 2 * (rssi_dbm + 100);
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}
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const char* getWifiQualityLabel(int rssi_dbm) {
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if (rssi_dbm >= -60) {
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return "excellent";
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}
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if (rssi_dbm >= -67) {
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return "good";
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}
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if (rssi_dbm >= -75) {
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return "fair";
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}
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return "poor";
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}
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#endif
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} // namespace
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NetworkService::NetworkService()
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: _fs(nullptr), _prefs{}, _wifi_started(false), _sntp_started(false), _have_time_sync(false), _last_wifi_attempt(0) {
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NetworkPrefsStore::setDefaults(_prefs);
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}
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void NetworkService::begin(FILESYSTEM* fs,
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uint8_t legacy_wifi_powersave,
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const char* legacy_wifi_ssid,
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const char* legacy_wifi_pwd) {
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_fs = fs;
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NetworkPrefsStore::load(_fs, _prefs, legacy_wifi_powersave, legacy_wifi_ssid, legacy_wifi_pwd);
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}
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void NetworkService::end() {
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#if defined(ESP_PLATFORM)
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if (_wifi_started) {
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WiFi.disconnect(true, true);
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WiFi.mode(WIFI_OFF);
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}
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#endif
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_wifi_started = false;
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_sntp_started = false;
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_have_time_sync = false;
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_last_wifi_attempt = 0;
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}
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void NetworkService::loop(bool network_required) {
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#if defined(ESP_PLATFORM)
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ensureWifi(network_required);
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updateTimeSync();
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#else
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(void)network_required;
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#endif
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}
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bool NetworkService::savePrefs() {
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return NetworkPrefsStore::save(_fs, _prefs);
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}
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bool NetworkService::setWifiSSID(const char* ssid) {
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if (ssid == nullptr) {
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return false;
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}
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StrHelper::strncpy(_prefs.wifi_ssid, ssid, sizeof(_prefs.wifi_ssid));
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bool ok = savePrefs();
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reconnectWifi();
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return ok;
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}
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bool NetworkService::setWifiPassword(const char* pwd) {
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if (pwd == nullptr) {
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return false;
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}
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StrHelper::strncpy(_prefs.wifi_pwd, pwd, sizeof(_prefs.wifi_pwd));
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bool ok = savePrefs();
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reconnectWifi();
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return ok;
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}
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bool NetworkService::setWifiPowerSave(const char* mode) {
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if (mode == nullptr) {
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return false;
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}
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uint8_t next_mode;
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if (strcmp(mode, "none") == 0) {
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next_mode = 0;
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} else if (strcmp(mode, "min") == 0) {
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next_mode = 1;
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} else if (strcmp(mode, "max") == 0) {
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next_mode = 2;
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} else {
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return false;
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}
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_prefs.wifi_powersave = next_mode;
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bool ok = savePrefs();
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#if defined(ESP_PLATFORM)
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if (_wifi_started) {
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ok = WiFi.setSleep(toEspPowerSave(_prefs.wifi_powersave)) && ok;
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}
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#endif
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return ok;
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}
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const char* NetworkService::getWifiPowerSave() const {
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#if defined(ESP_PLATFORM)
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return getPowerSaveLabel(_prefs.wifi_powersave);
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#else
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return "unsupported";
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#endif
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}
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void NetworkService::formatWifiStatusReply(char* reply, size_t reply_size) const {
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#if defined(ESP_PLATFORM)
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const char* status = "disconnected";
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const char* state = "disconnected";
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wl_status_t wifi_status = WiFi.status();
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if (_prefs.wifi_ssid[0] == 0) {
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status = "unconfigured";
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state = "unconfigured";
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} else if (wifi_status == WL_CONNECTED) {
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status = "connected";
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state = "connected";
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} else if (_wifi_started) {
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status = "connecting";
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}
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switch (wifi_status) {
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case WL_IDLE_STATUS:
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state = "idle";
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break;
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case WL_NO_SSID_AVAIL:
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state = "no_ssid";
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break;
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case WL_SCAN_COMPLETED:
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state = "scan_completed";
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break;
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case WL_CONNECTED:
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state = "connected";
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break;
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case WL_CONNECT_FAILED:
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state = "connect_failed";
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break;
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case WL_CONNECTION_LOST:
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state = "connection_lost";
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break;
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case WL_DISCONNECTED:
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state = "disconnected";
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break;
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default:
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state = "unknown";
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break;
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}
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if (wifi_status == WL_CONNECTED) {
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const int rssi_dbm = WiFi.RSSI();
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snprintf(reply, reply_size,
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"> ssid:%s status:%s code:%d state:%s ip:%s rssi:%d quality:%d%% signal:%s",
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_prefs.wifi_ssid, status, static_cast<int>(wifi_status), state, WiFi.localIP().toString().c_str(),
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rssi_dbm, getWifiQualityPercent(rssi_dbm), getWifiQualityLabel(rssi_dbm));
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} else {
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snprintf(reply, reply_size, "> ssid:%s status:%s code:%d state:%s", _prefs.wifi_ssid[0] ? _prefs.wifi_ssid : "-",
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status, static_cast<int>(wifi_status), state);
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}
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#else
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snprintf(reply, reply_size, "> wifi:unsupported");
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#endif
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}
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void NetworkService::reconnectWifi() {
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#if defined(ESP_PLATFORM)
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if (_wifi_started) {
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WiFi.disconnect(true, true);
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WiFi.mode(WIFI_OFF);
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}
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#endif
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_wifi_started = false;
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_sntp_started = false;
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_have_time_sync = false;
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_last_wifi_attempt = 0;
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}
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bool NetworkService::isWifiConnected() const {
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#if defined(ESP_PLATFORM)
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return _wifi_started && WiFi.status() == WL_CONNECTED;
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#else
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return false;
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#endif
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}
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#if defined(ESP_PLATFORM)
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wifi_ps_type_t NetworkService::toEspPowerSave(uint8_t mode) {
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switch (mode) {
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case 1:
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return WIFI_PS_MIN_MODEM;
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case 2:
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return WIFI_PS_MAX_MODEM;
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default:
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return WIFI_PS_NONE;
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}
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}
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const char* NetworkService::getPowerSaveLabel(uint8_t mode) {
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switch (mode) {
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case 1:
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return "min";
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case 2:
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return "max";
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default:
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return "none";
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}
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}
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void NetworkService::ensureWifi(bool network_required) {
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if (!network_required) {
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if (_wifi_started) {
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WiFi.disconnect(true, true);
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WiFi.mode(WIFI_OFF);
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_wifi_started = false;
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_sntp_started = false;
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_have_time_sync = false;
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}
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return;
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}
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if (_prefs.wifi_ssid[0] == 0) {
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reconnectWifi();
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return;
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}
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if (WiFi.status() == WL_CONNECTED) {
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return;
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}
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unsigned long now_ms = millis();
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wl_status_t status = WiFi.status();
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if (_wifi_started) {
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if (_last_wifi_attempt != 0 && status == WL_IDLE_STATUS && now_ms - _last_wifi_attempt < kWifiConnectTimeoutMillis) {
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return;
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}
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if (now_ms - _last_wifi_attempt < kWifiRetryMillis) {
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return;
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}
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}
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if (!_wifi_started) {
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WiFi.mode(WIFI_STA);
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WiFi.setSleep(toEspPowerSave(_prefs.wifi_powersave));
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_wifi_started = true;
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}
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_last_wifi_attempt = now_ms;
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WiFi.begin(_prefs.wifi_ssid, _prefs.wifi_pwd);
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}
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void NetworkService::updateTimeSync() {
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bool prev_have_time_sync = _have_time_sync;
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if (!_wifi_started || WiFi.status() != WL_CONNECTED) {
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_have_time_sync = false;
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return;
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}
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if (!_sntp_started) {
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configTzTime("UTC0", "au.pool.ntp.org", "time.google.com", "time.cloudflare.com");
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_sntp_started = true;
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}
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sntp_sync_status_t sync_status = sntp_get_sync_status();
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time_t now = time(nullptr);
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bool sane_time = now >= kMinSaneEpoch;
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bool sync_ready = sync_status == SNTP_SYNC_STATUS_COMPLETED || sync_status == SNTP_SYNC_STATUS_IN_PROGRESS;
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_have_time_sync = sane_time && (sync_ready || prev_have_time_sync);
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}
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#endif
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