- // M5ATOM Activity Checker (c)2022- @logic_star Allrights reserved.
- #include <M5Atom.h>
- #include <WiFi.h>
- #include <time.h>
- // Wifi 関連定義
- const char* ssid = "SSID"; //WiFi APのSSID
- const char* password = "PASSWORD"; //WiFi APのPassword
- WiFiClient client;
- // 時計関連
- #define NTP_SERVER "ntp.nict.jp"
- const char* ntpServer = NTP_SERVER;
- const long gmtOffset_sec = 9 * 3600;
- const int daylightOffset_sec = 0;
- struct tm timeinfo;
- uint8_t secLastReport = 0;
- // メール関連
- #include <ESP_Mail_Client.h>
- #define SMTP_HOST "aaa.bbb.ccc.jp" //メールサーバ名
- //#define SMTP_PORT esp_mail_smtp_port_25 //SMTP Port 25
- //#define SMTP_PORT esp_mail_smtp_port_465 //SMTP port 465
- #define SMTP_PORT esp_mail_smtp_port_587 //SMTP port 587
- #define AUTHOR_EMAIL "aaa@bbb.ccc.jp" //SMTP認証ID：メール送信者のメールアドレス
- #define AUTHOR_PASSWORD "password" //SMTP認証パスワード
- #define AUTHOR_DOMAIN "bbb.ccc.jp" //送信者のドメイン
- #define AUTHOR_NAME "ACTIVITY CHECKER" //送信者名
- #define MESSAGE_SUBJECT "OFFLINE ALART!" //送信メールタイトル
- #define MESSAGE_RECIPIENT "xxx@bbb.ccc.jp" //メール送信先アドレス
- #define MESSAGE_RECIPIENT_NAME "Administrator" //メール送信先名
- #define MESSAGE_ID "Message-ID: <aaa@bbb.ccc.jp>" //メールのメッセージID
- SMTPSession smtp;
- const char rootCACert[] PROGMEM = "-----BEGIN CERTIFICATE-----\n"
- "-----END CERTIFICATE-----\n";
- /* Callback function to get the Email sending status */
- void smtpCallback(SMTP_Status status)
- {
- /* Print the current status */
- Serial.println(status.info());
- /* Print the sending result */
- if (status.success())
- {
- Serial.println("----------------");
- ESP_MAIL_PRINTF("Message sent success: %d\n", status.completedCount());
- ESP_MAIL_PRINTF("Message sent failled: %d\n", status.failedCount());
- Serial.println("----------------\n");
- struct tm dt;
- for (size_t i = 0; i < smtp.sendingResult.size(); i++)
- {
- /* Get the result item */
- SMTP_Result result = smtp.sendingResult.getItem(i);
- time_t ts = (time_t)result.timestamp;
- localtime_r(&ts, &dt);
- ESP_MAIL_PRINTF("Message No: %d\n", i + 1);
- ESP_MAIL_PRINTF("Status: %s\n", result.completed ? "success" : "failed");
- ESP_MAIL_PRINTF("Date/Time: %d/%d/%d %d:%d:%d\n", dt.tm_year + 1900, dt.tm_mon + 1, dt.tm_mday, dt.tm_hour, dt.tm_min, dt.tm_sec);
- ESP_MAIL_PRINTF("Recipient: %s\n", result.recipients.c_str());
- ESP_MAIL_PRINTF("Subject: %s\n", result.subject.c_str());
- }
- Serial.println("----------------\n");
- //You need to clear sending result as the memory usage will grow up.
- smtp.sendingResult.clear();
- }
- }
- void send_error_mail(String textMsg){
- smtp.callback(smtpCallback);
- ESP_Mail_Session session;
- session.server.host_name = SMTP_HOST;
- session.server.port = SMTP_PORT;
- session.login.email = AUTHOR_EMAIL;
- session.login.password = AUTHOR_PASSWORD;
- session.login.user_domain = F(AUTHOR_DOMAIN);
- session.time.ntp_server = F(NTP_SERVER);
- session.time.gmt_offset = 9;
- session.time.day_light_offset = 0;
- SMTP_Message message;
- message.sender.name = F(AUTHOR_NAME);
- message.sender.email = AUTHOR_EMAIL;
- message.subject = F(MESSAGE_SUBJECT);
- message.addRecipient(F(MESSAGE_RECIPIENT_NAME), F(MESSAGE_RECIPIENT));
- message.text.content = textMsg;
- message.text.charSet = F("us-ascii");
- message.text.transfer_encoding = Content_Transfer_Encoding::enc_7bit;
- message.priority = esp_mail_smtp_priority::esp_mail_smtp_priority_low;
- message.addHeader(F(MESSAGE_ID));
- if (!smtp.connect(&session)) return;
- if (!MailClient.sendMail(&smtp, &message))
- Serial.println("Error sending Email, " + smtp.errorReason());
- ESP_MAIL_PRINTF("Free Heap: %d\n", MailClient.getFreeHeap());
- }
- #include "ESP32Ping.h"
- void ping_check(char *name, IPAddress ip, int x){
- char text_buffer[200];
- M5.dis.drawpix(x, 0xffff00); //LEDを黄色に
- if(Ping.ping(ip)) {
- M5.dis.drawpix(x, 0x00ff00); //LEDを緑に
- } else {
- M5.dis.drawpix(x, 0xff0000); //LEDを赤に
- sprintf(text_buffer, "%s is offline!", name);
- send_error_mail(text_buffer); //アラートメールの送信
- }
- }
- // NTPによる時刻取得関数
- int ntp(){
- uint8_t wifi_retry_cnt;
- WiFi.begin(ssid, password); //WiFi接続開始
- wifi_retry_cnt = 20; //0.5秒×20=最大10秒で接続タイムアウト
- while (WiFi.status() != WL_CONNECTED){
- delay(500);
- if(--wifi_retry_cnt == 0) {
- WiFi.disconnect(true); //タイムアウトでWiFiオフ
- WiFi.mode(WIFI_OFF);
- return(false); //接続失敗でリターン
- }
- }
- configTime(gmtOffset_sec, daylightOffset_sec, ntpServer); //NTPによる時刻取得
- if (!getLocalTime(&timeinfo)) {
- WiFi.disconnect(true); //時刻取得失敗でWiFiオフ
- WiFi.mode(WIFI_OFF);
- return (false); //時刻取得失敗でリターン
- }
- return (true); //時刻取得成功でリターン
- }
- void setup() { //NTPで時刻取得し、もしエラーだった場合は動作停止
- M5.begin(true, false, true);
- if(ntp() == false) while(1);
- }
- int toggle = 0;
- void loop() { //メインプログラム
- int target;
- getLocalTime(&timeinfo);
- if((timeinfo.tm_hour == 2)&&(timeinfo.tm_min == 0)&&(timeinfo.tm_sec == 0)) ntp();
- if(secLastReport != timeinfo.tm_sec) {
- secLastReport = timeinfo.tm_sec;
- if(toggle){toggle = 0;M5.dis.drawpix(24, 0);} //青色インジケータの表示
- else{toggle = 1;M5.dis.drawpix(24, 0x0000ff);}
- M5.update();
- if((((timeinfo.tm_min % 10) == 0)&&(timeinfo.tm_sec == 0))||M5.Btn.wasPressed()){ //10分毎または、ボタンが押下時に処理
- //監視サーバ定義
- target = 0;
- ping_check("IP Phone", IPAddress (192, 168, 3, 99), target++); //監視先1 監視対象名とIPアドレスを指定
- ping_check("SVR-X", IPAddress (0, 0, 0, 0), target++); //監視先2
- ping_check("SVR-Y", IPAddress (0, 0, 0, 0), target++); //監視先3
- ping_check("Google DNS", IPAddress (8, 8, 8, 8), target++); //監視先4 適宜24まで拡張可能
- }
- }
- delay(100); //0.1秒ウェイト
- }
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