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#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#include <DNSServer.h>
#include <vector>
#include "config.h"
static DNSServer DNS;
static std::vector<AsyncClient*> clients; // a list to hold all clients
/* clients events */
static void handleError(void* arg, AsyncClient* client, int8_t error) {
Serial.printf("\n connection error %s from client %s \n", client->errorToString(error), client->remoteIP().toString().c_str());
}
static void handleData(void* arg, AsyncClient* client, void *data, size_t len) {
Serial.printf("\n data received from client %s \n", client->remoteIP().toString().c_str());
Serial.write((uint8_t*)data, len);
// reply to client
if (client->space() > 32 && client->canSend()) {
char reply[32];
sprintf(reply, "this is from %s", SERVER_HOST_NAME);
client->add(reply, strlen(reply));
client->send();
}
}
static void handleDisconnect(void* arg, AsyncClient* client) {
Serial.printf("\n client %s disconnected \n", client->remoteIP().toString().c_str());
}
static void handleTimeOut(void* arg, AsyncClient* client, uint32_t time) {
Serial.printf("\n client ACK timeout ip: %s \n", client->remoteIP().toString().c_str());
}
/* server events */
static void handleNewClient(void* arg, AsyncClient* client) {
Serial.printf("\n new client has been connected to server, ip: %s", client->remoteIP().toString().c_str());
// add to list
clients.push_back(client);
// register events
client->onData(&handleData, NULL);
client->onError(&handleError, NULL);
client->onDisconnect(&handleDisconnect, NULL);
client->onTimeout(&handleTimeOut, NULL);
}
void setup() {
Serial.begin(115200);
delay(20);
// create access point
while (!WiFi.softAP(SSID, PASSWORD, 6, false, 15)) {
delay(500);
}
// start dns server
if (!DNS.start(DNS_PORT, SERVER_HOST_NAME, WiFi.softAPIP()))
Serial.printf("\n failed to start dns service \n");
AsyncServer* server = new AsyncServer(TCP_PORT); // start listening on tcp port 7050
server->onClient(&handleNewClient, server);
server->begin();
}
void loop() {
DNS.processNextRequest();
}
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