rtu_linux_services/web-ui.service/web/static/js/page2.js

async function apiGetRetry(url, retry = false) {
  try {
    const res = await fetch(url);

    if (!res.ok) {
      throw new Error("HTTP " + res.status);
    }

    const text = await res.text();

    if (!text || text.trim() === "") {
      throw new Error("empty response");
    }

    return text.trim();
  } catch (e) {
    console.log("GET failed:", url, e.message);

    if (retry) {
      setTimeout(() => apiGetRetry(url, true), 3000);
    }

    throw e;
  }
}

function getNetInfo1() {
  document.getElementById("text1").innerText = "";
  apiGetRetry("/api/net/interfaces")
    .then(data => {
      document.getElementById("text1").innerText = data;
    })
    .catch(() => {
      document.getElementById("text1").innerText = "获取失败";
    });
}

function getNetInfo2() {
  document.getElementById("text2").innerText = "";
  apiGetRetry("/api/net/routes")
    .then(data => {
      document.getElementById("text2").innerText = data;
    })
    .catch(() => {
      document.getElementById("text2").innerText = "获取失败";
    });
}

function getNetInfo3() {
  document.getElementById("text3").innerText = "";
  apiGetRetry("/api/net/dns")
    .then(data => {
      document.getElementById("text3").innerText = data;
    })
    .catch(() => {
      document.getElementById("text3").innerText = "获取失败";
    });
}

function initPage2() {
  getNetInfo1();
  getNetInfo2();
  getNetInfo3();
}