firmware/src/meshwifi/meshwifi.cpp

#include "meshwifi.h"
#include <WiFi.h>
#include "configuration.h"
#include "main.h"
#include "NodeDB.h"
#include <WebServer.h>

WebServer webserver(80);

String something = "";
String sender = "";

void initWebServer() {
    webserver.onNotFound(handleNotFound);
    webserver.on("/", handleJSONChatHistory);
    webserver.on("/json/chat/history", handleJSONChatHistory);
    //webserver.on("/", []() {
    //webserver.send(200, "text/plain", "everything is awesome!");
    //});
    webserver.begin();

}

void initWifi()
{
    strcpy(radioConfig.preferences.wifi_ssid, WiFi_SSID_NAME);
    strcpy(radioConfig.preferences.wifi_password, WiFi_SSID_PASSWORD);
    if (radioConfig.has_preferences) {
        const char *wifiName = radioConfig.preferences.wifi_ssid;

        if (*wifiName) {
            const char *wifiPsw = radioConfig.preferences.wifi_password;
            if (radioConfig.preferences.wifi_ap_mode) {
                DEBUG_MSG("STARTING WIFI AP: ssid=%s, ok=%d\n", wifiName, WiFi.softAP(wifiName, wifiPsw));
            } else {
                WiFi.mode(WIFI_MODE_STA);
                WiFi.onEvent(WiFiEvent);

                DEBUG_MSG("JOINING WIFI: ssid=%s\n", wifiName);
                if (WiFi.begin(wifiName, wifiPsw) == WL_CONNECTED) {
                    DEBUG_MSG("MY IP ADDRESS: %s\n", WiFi.localIP().toString().c_str());
                } else {
                    DEBUG_MSG("Started Joining WIFI\n");
                }
            }
        }
    } else
        DEBUG_MSG("Not using WIFI\n");
}

void WiFiEvent(WiFiEvent_t event)
{
    DEBUG_MSG("************ [WiFi-event] event: %d ************\n", event);

    switch (event) {
        case SYSTEM_EVENT_WIFI_READY: 
            DEBUG_MSG("WiFi interface ready");
            break;
        case SYSTEM_EVENT_SCAN_DONE:
            DEBUG_MSG("Completed scan for access points");
            break;
        case SYSTEM_EVENT_STA_START:
            DEBUG_MSG("WiFi client started");
            break;
        case SYSTEM_EVENT_STA_STOP:
            DEBUG_MSG("WiFi clients stopped");
            break;
        case SYSTEM_EVENT_STA_CONNECTED:
            DEBUG_MSG("Connected to access point");
            break;
        case SYSTEM_EVENT_STA_DISCONNECTED:
            DEBUG_MSG("Disconnected from WiFi access point");

            // Reconnect WiFi
            reconnectWiFi();
            break;
        case SYSTEM_EVENT_STA_AUTHMODE_CHANGE:
            DEBUG_MSG("Authentication mode of access point has changed");
            break;
        case SYSTEM_EVENT_STA_GOT_IP:
            DEBUG_MSG("Obtained IP address: ");
            Serial.println(WiFi.localIP());

            // Start web server
            initWebServer();
            break;
        case SYSTEM_EVENT_STA_LOST_IP:
            DEBUG_MSG("Lost IP address and IP address is reset to 0");
            break;
        case SYSTEM_EVENT_STA_WPS_ER_SUCCESS:
            DEBUG_MSG("WiFi Protected Setup (WPS): succeeded in enrollee mode");
            break;
        case SYSTEM_EVENT_STA_WPS_ER_FAILED:
            DEBUG_MSG("WiFi Protected Setup (WPS): failed in enrollee mode");
            break;
        case SYSTEM_EVENT_STA_WPS_ER_TIMEOUT:
            DEBUG_MSG("WiFi Protected Setup (WPS): timeout in enrollee mode");
            break;
        case SYSTEM_EVENT_STA_WPS_ER_PIN:
            DEBUG_MSG("WiFi Protected Setup (WPS): pin code in enrollee mode");
            break;
        case SYSTEM_EVENT_AP_START:
            DEBUG_MSG("WiFi access point started");
            break;
        case SYSTEM_EVENT_AP_STOP:
            DEBUG_MSG("WiFi access point stopped");
            break;
        case SYSTEM_EVENT_AP_STACONNECTED:
            DEBUG_MSG("Client connected");
            break;
        case SYSTEM_EVENT_AP_STADISCONNECTED:
            DEBUG_MSG("Client disconnected");
            break;
        case SYSTEM_EVENT_AP_STAIPASSIGNED:
            DEBUG_MSG("Assigned IP address to client");
            break;
        case SYSTEM_EVENT_AP_PROBEREQRECVED:
            DEBUG_MSG("Received probe request");
            break;
        case SYSTEM_EVENT_GOT_IP6:
            DEBUG_MSG("IPv6 is preferred");
            break;
        case SYSTEM_EVENT_ETH_START:
            DEBUG_MSG("Ethernet started");
            break;
        case SYSTEM_EVENT_ETH_STOP:
            DEBUG_MSG("Ethernet stopped");
            break;
        case SYSTEM_EVENT_ETH_CONNECTED:
            DEBUG_MSG("Ethernet connected");
            break;
        case SYSTEM_EVENT_ETH_DISCONNECTED:
            DEBUG_MSG("Ethernet disconnected");
            break;
        case SYSTEM_EVENT_ETH_GOT_IP:
            DEBUG_MSG("Obtained IP address");
            break;
        default: break;
    }
}

void handleJSONChatHistory() {

    String out = "";
    out += "{\n";
    out += "  \"data\" : {\n";
    out += "    \"chat\" : ";
    out += "[";
    out += "\"" + sender + "\"";
    out += ",";
    out += "\"" + something + "\"";
    out += "]\n";



    out += "\n";
    out += "  }\n";
    out += "}\n";

    webserver.send ( 200, "application/json", out );
    return;


}

void handleWebResponse() {
    webserver.handleClient();
}


void handleNotFound() {
    String message = "File Not Found\n\n";
    message += "URI: ";
    message += webserver.uri();
    message += "\nMethod: ";
    message += (webserver.method() == HTTP_GET) ? "GET" : "POST";
    message += "\nArguments: ";
    message += webserver.args();
    message += "\n";

    for (uint8_t i = 0; i < webserver.args(); i++) {
        message += " " + webserver.argName(i) + ": " + webserver.arg(i) + "\n";
    }

    webserver.send(404, "text/plain", message);
    /*
    */
}

void reconnectWiFi() {
  if ( WiFi.status() !=  WL_CONNECTED ) {
    DEBUG_MSG("... Reconnecting to WiFi access point");
    WiFi.begin(  );
  }

}


void notifyWebUI() {
    DEBUG_MSG("************ Got a message! ************\n");
    MeshPacket &mp = devicestate.rx_text_message;
    NodeInfo *node = nodeDB.getNode(mp.from);
    sender = (node && node->has_user) ? node->user.long_name : "???";
 
    static char tempBuf[256]; // mesh.options says this is MeshPacket.encrypted max_size
    assert(mp.decoded.which_payload == SubPacket_data_tag);
    snprintf(tempBuf, sizeof(tempBuf), "%s", mp.decoded.data.payload.bytes);

    
    something = tempBuf;

}