Switch HTTP Server
This commit is contained in:
iranl
510
lib/PsychicHttp/examples/esp-idf/main/main.cpp
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510
lib/PsychicHttp/examples/esp-idf/main/main.cpp
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/*
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PsychicHTTP Server Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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/**********************************************************************************************
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* Note: this demo relies on the following libraries (Install via Library Manager)
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* ArduinoJson UrlEncode
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**********************************************************************************************/
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/**********************************************************************************************
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* Note: this demo relies on various files to be uploaded on the LittleFS partition
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* Follow instructions here: https://randomnerdtutorials.com/esp32-littlefs-arduino-ide/
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**********************************************************************************************/
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#include <Arduino.h>
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#include <WiFi.h>
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#include <LittleFS.h>
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#include <ArduinoJson.h>
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#include <ESPmDNS.h>
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#include "secret.h"
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#include <PsychicHttp.h>
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#ifdef CONFIG_ESP_HTTPS_SERVER_ENABLE //set this to y in menuconfig to enable SSL
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#include <PsychicHttpsServer.h>
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#endif
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#ifndef WIFI_SSID
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#error "You need to enter your wifi credentials. Rename secret.h to _secret.h and enter your credentials there."
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#endif
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//Enter your WIFI credentials in secret.h
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const char *ssid = WIFI_SSID;
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const char *password = WIFI_PASS;
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// Set your SoftAP credentials
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const char *softap_ssid = "PsychicHttp";
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const char *softap_password = "";
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IPAddress softap_ip(10, 0, 0, 1);
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//credentials for the /auth-basic and /auth-digest examples
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const char *app_user = "admin";
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const char *app_pass = "admin";
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const char *app_name = "Your App";
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//hostname for mdns (psychic.local)
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const char *local_hostname = "psychic";
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//#define CONFIG_ESP_HTTPS_SERVER_ENABLE to enable ssl
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#ifdef CONFIG_ESP_HTTPS_SERVER_ENABLE
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bool app_enable_ssl = true;
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String server_cert;
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String server_key;
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#endif
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//our main server object
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#ifdef CONFIG_ESP_HTTPS_SERVER_ENABLE
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PsychicHttpsServer server;
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#else
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PsychicHttpServer server;
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#endif
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PsychicWebSocketHandler websocketHandler;
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PsychicEventSource eventSource;
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bool connectToWifi()
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{
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//dual client and AP mode
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WiFi.mode(WIFI_AP_STA);
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// Configure SoftAP
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WiFi.softAPConfig(softap_ip, softap_ip, IPAddress(255, 255, 255, 0)); // subnet FF FF FF 00
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WiFi.softAP(softap_ssid, softap_password);
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IPAddress myIP = WiFi.softAPIP();
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Serial.print("SoftAP IP Address: ");
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Serial.println(myIP);
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Serial.println();
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Serial.print("[WiFi] Connecting to ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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// Auto reconnect is set true as default
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// To set auto connect off, use the following function
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// WiFi.setAutoReconnect(false);
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// Will try for about 10 seconds (20x 500ms)
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int tryDelay = 500;
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int numberOfTries = 20;
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// Wait for the WiFi event
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while (true)
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{
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switch (WiFi.status())
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{
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case WL_NO_SSID_AVAIL:
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Serial.println("[WiFi] SSID not found");
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break;
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case WL_CONNECT_FAILED:
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Serial.print("[WiFi] Failed - WiFi not connected! Reason: ");
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return false;
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break;
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case WL_CONNECTION_LOST:
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Serial.println("[WiFi] Connection was lost");
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break;
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case WL_SCAN_COMPLETED:
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Serial.println("[WiFi] Scan is completed");
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break;
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case WL_DISCONNECTED:
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Serial.println("[WiFi] WiFi is disconnected");
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break;
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case WL_CONNECTED:
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Serial.println("[WiFi] WiFi is connected!");
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Serial.print("[WiFi] IP address: ");
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Serial.println(WiFi.localIP());
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return true;
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break;
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default:
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Serial.print("[WiFi] WiFi Status: ");
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Serial.println(WiFi.status());
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break;
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}
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delay(tryDelay);
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if (numberOfTries <= 0)
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{
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Serial.print("[WiFi] Failed to connect to WiFi!");
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// Use disconnect function to force stop trying to connect
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WiFi.disconnect();
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return false;
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}
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else
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{
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numberOfTries--;
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}
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}
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return false;
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}
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void setup()
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{
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Serial.begin(115200);
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delay(10);
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// We start by connecting to a WiFi network
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// To debug, please enable Core Debug Level to Verbose
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if (connectToWifi())
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{
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//set up our esp32 to listen on the local_hostname.local domain
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if (!MDNS.begin(local_hostname)) {
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Serial.println("Error starting mDNS");
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return;
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}
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MDNS.addService("http", "tcp", 80);
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if(!LittleFS.begin())
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{
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Serial.println("LittleFS Mount Failed. Do Platform -> Build Filesystem Image and Platform -> Upload Filesystem Image from VSCode");
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return;
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}
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//look up our keys?
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#ifdef CONFIG_ESP_HTTPS_SERVER_ENABLE
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if (app_enable_ssl)
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{
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File fp = LittleFS.open("/server.crt");
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if (fp)
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{
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server_cert = fp.readString();
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// Serial.println("Server Cert:");
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// Serial.println(server_cert);
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}
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else
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{
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Serial.println("server.pem not found, SSL not available");
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app_enable_ssl = false;
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}
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fp.close();
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File fp2 = LittleFS.open("/server.key");
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if (fp2)
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{
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server_key = fp2.readString();
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// Serial.println("Server Key:");
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// Serial.println(server_key);
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}
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else
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{
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Serial.println("server.key not found, SSL not available");
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app_enable_ssl = false;
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}
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fp2.close();
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}
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#endif
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//setup server config stuff here
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server.config.max_uri_handlers = 20; //maximum number of uri handlers (.on() calls)
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#ifdef CONFIG_ESP_HTTPS_SERVER_ENABLE
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server.ssl_config.httpd.max_uri_handlers = 20; //maximum number of uri handlers (.on() calls)
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//do we want secure or not?
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if (app_enable_ssl)
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{
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server.listen(443, server_cert.c_str(), server_key.c_str());
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//this creates a 2nd server listening on port 80 and redirects all requests HTTPS
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PsychicHttpServer *redirectServer = new PsychicHttpServer();
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redirectServer->config.ctrl_port = 20424; // just a random port different from the default one
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redirectServer->listen(80);
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redirectServer->onNotFound([](PsychicRequest *request) {
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String url = "https://" + request->host() + request->url();
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return request->redirect(url.c_str());
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});
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}
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else
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server.listen(80);
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#else
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server.listen(80);
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#endif
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//serve static files from LittleFS/www on / only to clients on same wifi network
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//this is where our /index.html file lives
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server.serveStatic("/", LittleFS, "/www/")->setFilter(ON_STA_FILTER);
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//serve static files from LittleFS/www-ap on / only to clients on SoftAP
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//this is where our /index.html file lives
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server.serveStatic("/", LittleFS, "/www-ap/")->setFilter(ON_AP_FILTER);
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//serve static files from LittleFS/img on /img
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//it's more efficient to serve everything from a single www directory, but this is also possible.
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server.serveStatic("/img", LittleFS, "/img/");
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//you can also serve single files
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server.serveStatic("/myfile.txt", LittleFS, "/custom.txt");
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//example callback everytime a connection is opened
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server.onOpen([](PsychicClient *client) {
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Serial.printf("[http] connection #%u connected from %s\n", client->socket(), client->localIP().toString().c_str());
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});
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//example callback everytime a connection is closed
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server.onClose([](PsychicClient *client) {
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Serial.printf("[http] connection #%u closed from %s\n", client->socket(), client->localIP().toString().c_str());
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});
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//api - json message passed in as post body
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server.on("/api", HTTP_POST, [](PsychicRequest *request)
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{
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//load our JSON request
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JsonDocument json;
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String body = request->body();
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DeserializationError err = deserializeJson(json, body);
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//create our response json
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JsonDocument output;
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output["msg"] = "status";
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//did it parse?
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if (err)
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{
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output["status"] = "failure";
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output["error"] = err.c_str();
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}
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else
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{
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output["status"] = "success";
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output["millis"] = millis();
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//work with some params
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if (json.containsKey("foo"))
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{
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String foo = json["foo"];
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output["foo"] = foo;
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}
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}
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//serialize and return
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String jsonBuffer;
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serializeJson(output, jsonBuffer);
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return request->reply(200, "application/json", jsonBuffer.c_str());
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});
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//api - parameters passed in via query eg. /api/endpoint?foo=bar
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server.on("/ip", HTTP_GET, [](PsychicRequest *request)
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{
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String output = "Your IP is: " + request->client()->remoteIP().toString();
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return request->reply(output.c_str());
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});
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//api - parameters passed in via query eg. /api/endpoint?foo=bar
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server.on("/api", HTTP_GET, [](PsychicRequest *request)
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{
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//create a response object
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JsonDocument output;
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output["msg"] = "status";
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output["status"] = "success";
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output["millis"] = millis();
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//work with some params
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if (request->hasParam("foo"))
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{
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String foo = request->getParam("foo")->name();
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output["foo"] = foo;
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}
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//serialize and return
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String jsonBuffer;
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serializeJson(output, jsonBuffer);
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return request->reply(200, "application/json", jsonBuffer.c_str());
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});
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//how to redirect a request
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server.on("/redirect", HTTP_GET, [](PsychicRequest *request)
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{
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return request->redirect("/alien.png");
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});
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//how to do basic auth
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server.on("/auth-basic", HTTP_GET, [](PsychicRequest *request)
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{
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if (!request->authenticate(app_user, app_pass))
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return request->requestAuthentication(BASIC_AUTH, app_name, "You must log in.");
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return request->reply("Auth Basic Success!");
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});
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//how to do digest auth
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server.on("/auth-digest", HTTP_GET, [](PsychicRequest *request)
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{
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if (!request->authenticate(app_user, app_pass))
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return request->requestAuthentication(DIGEST_AUTH, app_name, "You must log in.");
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return request->reply("Auth Digest Success!");
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});
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//example of getting / setting cookies
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server.on("/cookies", HTTP_GET, [](PsychicRequest *request)
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{
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PsychicResponse response(request);
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int counter = 0;
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if (request->hasCookie("counter"))
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{
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counter = std::stoi(request->getCookie("counter").c_str());
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counter++;
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}
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char cookie[12];
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sprintf(cookie, "%i", counter);
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response.setCookie("counter", cookie);
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response.setContent(cookie);
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return response.send();
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});
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//example of getting POST variables
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server.on("/post", HTTP_POST, [](PsychicRequest *request)
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{
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String output;
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output += "Param 1: " + request->getParam("param1")->value() + "<br/>\n";
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output += "Param 2: " + request->getParam("param2")->value() + "<br/>\n";
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return request->reply(output.c_str());
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});
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//you can set up a custom 404 handler.
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server.onNotFound([](PsychicRequest *request)
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{
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return request->reply(404, "text/html", "Custom 404 Handler");
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});
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|
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//handle a very basic upload as post body
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PsychicUploadHandler *uploadHandler = new PsychicUploadHandler();
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uploadHandler->onUpload([](PsychicRequest *request, const String& filename, uint64_t index, uint8_t *data, size_t len, bool last) {
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File file;
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String path = "/www/" + filename;
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Serial.printf("Writing %d/%d bytes to: %s\n", (int)index+(int)len, request->contentLength(), path.c_str());
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if (last)
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Serial.printf("%s is finished. Total bytes: %d\n", path.c_str(), (int)index+(int)len);
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//our first call?
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if (!index)
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file = LittleFS.open(path, FILE_WRITE);
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else
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file = LittleFS.open(path, FILE_APPEND);
|
||||
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||||
if(!file) {
|
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Serial.println("Failed to open file");
|
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return ESP_FAIL;
|
||||
}
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||||
|
||||
if(!file.write(data, len)) {
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||||
Serial.println("Write failed");
|
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return ESP_FAIL;
|
||||
}
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|
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return ESP_OK;
|
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});
|
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|
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//gets called after upload has been handled
|
||||
uploadHandler->onRequest([](PsychicRequest *request)
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{
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String url = "/" + request->getFilename();
|
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String output = "<a href=\"" + url + "\">" + url + "</a>";
|
||||
|
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return request->reply(output.c_str());
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});
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//wildcard basic file upload - POST to /upload/filename.ext
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server.on("/upload/*", HTTP_POST, uploadHandler);
|
||||
|
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//a little bit more complicated multipart form
|
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PsychicUploadHandler *multipartHandler = new PsychicUploadHandler();
|
||||
multipartHandler->onUpload([](PsychicRequest *request, const String& filename, uint64_t index, uint8_t *data, size_t len, bool last) {
|
||||
File file;
|
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String path = "/www/" + filename;
|
||||
|
||||
//some progress over serial.
|
||||
Serial.printf("Writing %d bytes to: %s\n", (int)len, path.c_str());
|
||||
if (last)
|
||||
Serial.printf("%s is finished. Total bytes: %d\n", path.c_str(), (int)index+(int)len);
|
||||
|
||||
//our first call?
|
||||
if (!index)
|
||||
file = LittleFS.open(path, FILE_WRITE);
|
||||
else
|
||||
file = LittleFS.open(path, FILE_APPEND);
|
||||
|
||||
if(!file) {
|
||||
Serial.println("Failed to open file");
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
if(!file.write(data, len)) {
|
||||
Serial.println("Write failed");
|
||||
return ESP_FAIL;
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
});
|
||||
|
||||
//gets called after upload has been handled
|
||||
multipartHandler->onRequest([](PsychicRequest *request)
|
||||
{
|
||||
PsychicWebParameter *file = request->getParam("file_upload");
|
||||
|
||||
String url = "/" + file->value();
|
||||
String output;
|
||||
|
||||
output += "<a href=\"" + url + "\">" + url + "</a><br/>\n";
|
||||
output += "Bytes: " + String(file->size()) + "<br/>\n";
|
||||
output += "Param 1: " + request->getParam("param1")->value() + "<br/>\n";
|
||||
output += "Param 2: " + request->getParam("param2")->value() + "<br/>\n";
|
||||
|
||||
return request->reply(output.c_str());
|
||||
});
|
||||
|
||||
//wildcard basic file upload - POST to /upload/filename.ext
|
||||
server.on("/multipart", HTTP_POST, multipartHandler);
|
||||
|
||||
//a websocket echo server
|
||||
websocketHandler.onOpen([](PsychicWebSocketClient *client) {
|
||||
Serial.printf("[socket] connection #%u connected from %s\n", client->socket(), client->localIP().toString().c_str());
|
||||
client->sendMessage("Hello!");
|
||||
});
|
||||
websocketHandler.onFrame([](PsychicWebSocketRequest *request, httpd_ws_frame *frame) {
|
||||
Serial.printf("[socket] #%d sent: %s\n", request->client()->socket(), (char *)frame->payload);
|
||||
return request->reply(frame);
|
||||
});
|
||||
websocketHandler.onClose([](PsychicWebSocketClient *client) {
|
||||
Serial.printf("[socket] connection #%u closed from %s\n", client->socket(), client->localIP().toString().c_str());
|
||||
});
|
||||
server.on("/ws", &websocketHandler);
|
||||
|
||||
//EventSource server
|
||||
eventSource.onOpen([](PsychicEventSourceClient *client) {
|
||||
Serial.printf("[eventsource] connection #%u connected from %s\n", client->socket(), client->localIP().toString().c_str());
|
||||
client->send("Hello user!", NULL, millis(), 1000);
|
||||
});
|
||||
eventSource.onClose([](PsychicEventSourceClient *client) {
|
||||
Serial.printf("[eventsource] connection #%u closed from %s\n", client->socket(), client->localIP().toString().c_str());
|
||||
});
|
||||
server.on("/events", &eventSource);
|
||||
}
|
||||
}
|
||||
|
||||
unsigned long lastUpdate = 0;
|
||||
char output[60];
|
||||
|
||||
void loop()
|
||||
{
|
||||
if (millis() - lastUpdate > 2000)
|
||||
{
|
||||
sprintf(output, "Millis: %lu\n", millis());
|
||||
websocketHandler.sendAll(output);
|
||||
|
||||
sprintf(output, "%lu", millis());
|
||||
eventSource.send(output, "millis", millis(), 0);
|
||||
|
||||
lastUpdate = millis();
|
||||
}
|
||||
vTaskDelay(1 / portTICK_PERIOD_MS); // Feed WDT
|
||||
}
|
||||
Reference in New Issue
Block a user