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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
//
// Shows how to send and receive Message Pack data
//
#include <Arduino.h>
#ifdef ESP32
#include <AsyncTCP.h>
#include <WiFi.h>
#elif defined(ESP8266)
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#elif defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350)
#include <RPAsyncTCP.h>
#include <WiFi.h>
#endif
#include <ESPAsyncWebServer.h>
#if __has_include("ArduinoJson.h")
#include <ArduinoJson.h>
#include <AsyncJson.h>
#include <AsyncMessagePack.h>
#endif
static AsyncWebServer server(80);
#if __has_include("ArduinoJson.h")
static AsyncCallbackMessagePackWebHandler *handler = new AsyncCallbackMessagePackWebHandler("/msgpack2");
#endif
void setup() {
Serial.begin(115200);
#ifndef CONFIG_IDF_TARGET_ESP32H2
WiFi.mode(WIFI_AP);
WiFi.softAP("esp-captive");
#endif
#if __has_include("ArduinoJson.h")
//
// sends MessagePack using AsyncMessagePackResponse
//
// curl -v http://192.168.4.1/msgpack1
//
server.on("/msgpack1", HTTP_GET, [](AsyncWebServerRequest *request) {
AsyncMessagePackResponse *response = new AsyncMessagePackResponse();
JsonObject root = response->getRoot().to<JsonObject>();
root["hello"] = "world";
response->setLength();
request->send(response);
});
// Send MessagePack using AsyncResponseStream
//
// curl -v http://192.168.4.1/msgpack2
//
server.on("/msgpack2", HTTP_GET, [](AsyncWebServerRequest *request) {
AsyncResponseStream *response = request->beginResponseStream("application/msgpack");
JsonDocument doc;
JsonObject root = doc.to<JsonObject>();
root["foo"] = "bar";
serializeMsgPack(root, *response);
request->send(response);
});
handler->setMethod(HTTP_POST | HTTP_PUT);
handler->onRequest([](AsyncWebServerRequest *request, JsonVariant &json) {
serializeJson(json, Serial);
AsyncMessagePackResponse *response = new AsyncMessagePackResponse();
JsonObject root = response->getRoot().to<JsonObject>();
root["hello"] = json.as<JsonObject>()["name"];
response->setLength();
request->send(response);
});
server.addHandler(handler);
#endif
server.begin();
}
// not needed
void loop() {
delay(100);
}
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