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Rework backend add MQTT and WebSocket support

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* Update back end to add MQTT and WebSocket support
* Update demo project to demonstrate MQTT and WebSockets
* Update documentation to describe newly added and modified functionallity
* Introduce separate MQTT pub/sub, HTTP get/post and WebSocket rx/tx classes
* Significant reanaming - more accurate class names
* Use PROGMEM_WWW as default
* Update README documenting PROGMEM_WWW as default
* Update README with API changes
This commit is contained in:
rjwats
2020-05-14 23:23:45 +01:00
committed by GitHub
parent c47ea49a5d
commit a1f4e57a21
77 changed files with 2907 additions and 1192 deletions
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84
lib/framework/WiFiSettingsService.cpp
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@ -1,7 +1,13 @@
#include <WiFiSettingsService.h>
WiFiSettingsService::WiFiSettingsService(AsyncWebServer* server, FS* fs, SecurityManager* securityManager) :
AdminSettingsService(server, fs, securityManager, WIFI_SETTINGS_SERVICE_PATH, WIFI_SETTINGS_FILE) {
_httpEndpoint(WiFiSettings::serialize,
WiFiSettings::deserialize,
this,
server,
WIFI_SETTINGS_SERVICE_PATH,
securityManager),
_fsPersistence(WiFiSettings::serialize, WiFiSettings::deserialize, this, fs, WIFI_SETTINGS_FILE) {
// We want the device to come up in opmode=0 (WIFI_OFF), when erasing the flash this is not the default.
// If needed, we save opmode=0 before disabling persistence so the device boots with WiFi disabled in the future.
if (WiFi.getMode() != WIFI_OFF) {
@ -24,60 +30,12 @@ WiFiSettingsService::WiFiSettingsService(AsyncWebServer* server, FS* fs, Securit
_onStationModeDisconnectedHandler = WiFi.onStationModeDisconnected(
std::bind(&WiFiSettingsService::onStationModeDisconnected, this, std::placeholders::_1));
#endif
}
WiFiSettingsService::~WiFiSettingsService() {
addUpdateHandler([&](String originId) { reconfigureWiFiConnection(); }, false);
}
void WiFiSettingsService::begin() {
SettingsService::begin();
reconfigureWiFiConnection();
}
void WiFiSettingsService::readFromJsonObject(JsonObject& root) {
_settings.ssid = root["ssid"] | "";
_settings.password = root["password"] | "";
_settings.hostname = root["hostname"] | "";
_settings.staticIPConfig = root["static_ip_config"] | false;
// extended settings
readIP(root, "local_ip", _settings.localIP);
readIP(root, "gateway_ip", _settings.gatewayIP);
readIP(root, "subnet_mask", _settings.subnetMask);
readIP(root, "dns_ip_1", _settings.dnsIP1);
readIP(root, "dns_ip_2", _settings.dnsIP2);
// Swap around the dns servers if 2 is populated but 1 is not
if (_settings.dnsIP1 == INADDR_NONE && _settings.dnsIP2 != INADDR_NONE) {
_settings.dnsIP1 = _settings.dnsIP2;
_settings.dnsIP2 = INADDR_NONE;
}
// Turning off static ip config if we don't meet the minimum requirements
// of ipAddress, gateway and subnet. This may change to static ip only
// as sensible defaults can be assumed for gateway and subnet
if (_settings.staticIPConfig &&
(_settings.localIP == INADDR_NONE || _settings.gatewayIP == INADDR_NONE || _settings.subnetMask == INADDR_NONE)) {
_settings.staticIPConfig = false;
}
}
void WiFiSettingsService::writeToJsonObject(JsonObject& root) {
// connection settings
root["ssid"] = _settings.ssid;
root["password"] = _settings.password;
root["hostname"] = _settings.hostname;
root["static_ip_config"] = _settings.staticIPConfig;
// extended settings
writeIP(root, "local_ip", _settings.localIP);
writeIP(root, "gateway_ip", _settings.gatewayIP);
writeIP(root, "subnet_mask", _settings.subnetMask);
writeIP(root, "dns_ip_1", _settings.dnsIP1);
writeIP(root, "dns_ip_2", _settings.dnsIP2);
}
void WiFiSettingsService::onConfigUpdated() {
_fsPersistence.readFromFS();
reconfigureWiFiConnection();
}
@ -95,18 +53,6 @@ void WiFiSettingsService::reconfigureWiFiConnection() {
#endif
}
void WiFiSettingsService::readIP(JsonObject& root, String key, IPAddress& _ip) {
if (!root[key].is<String>() || !_ip.fromString(root[key].as<String>())) {
_ip = INADDR_NONE;
}
}
void WiFiSettingsService::writeIP(JsonObject& root, String key, IPAddress& _ip) {
if (_ip != INADDR_NONE) {
root[key] = _ip.toString();
}
}
void WiFiSettingsService::loop() {
unsigned long currentMillis = millis();
if (!_lastConnectionAttempt || (unsigned long)(currentMillis - _lastConnectionAttempt) >= WIFI_RECONNECTION_DELAY) {
@ -117,27 +63,27 @@ void WiFiSettingsService::loop() {
void WiFiSettingsService::manageSTA() {
// Abort if already connected, or if we have no SSID
if (WiFi.isConnected() || _settings.ssid.length() == 0) {
if (WiFi.isConnected() || _state.ssid.length() == 0) {
return;
}
// Connect or reconnect as required
if ((WiFi.getMode() & WIFI_STA) == 0) {
Serial.println("Connecting to WiFi.");
if (_settings.staticIPConfig) {
if (_state.staticIPConfig) {
// configure for static IP
WiFi.config(_settings.localIP, _settings.gatewayIP, _settings.subnetMask, _settings.dnsIP1, _settings.dnsIP2);
WiFi.config(_state.localIP, _state.gatewayIP, _state.subnetMask, _state.dnsIP1, _state.dnsIP2);
} else {
// configure for DHCP
#ifdef ESP32
WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE);
WiFi.setHostname(_settings.hostname.c_str());
WiFi.setHostname(_state.hostname.c_str());
#elif defined(ESP8266)
WiFi.config(INADDR_ANY, INADDR_ANY, INADDR_ANY);
WiFi.hostname(_settings.hostname);
WiFi.hostname(_state.hostname);
#endif
}
// attempt to connect to the network
WiFi.begin(_settings.ssid.c_str(), _settings.password.c_str());
WiFi.begin(_state.ssid.c_str(), _state.password.c_str());
}
}