feat: network usage (dw,up) for resources added.

upd: docs updated.
add: widget resorce iconChildren param added.
upd: config file default options added.

docs/installation/k8s.md

@@ -175,6 +175,7 @@ data:
         expanded: true
         cpu: true
         memory: true
+        network: default
     - search:
         provider: duckduckgo
         target: _blank

docs/widgets/info/resources.md

@@ -18,6 +18,7 @@ _Note: unfortunately, the package used for getting CPU temp ([systeminformation]
     cpu: true
     memory: true
     disk: /disk/mount/path
+    network: default # options: 'default' or active network interface name
     cputemp: true
     tempmin: 0 # optional, minimum cpu temp
     tempmax: 100 # optional, maximum cpu temp

src/components/widgets/resources/network.jsx

@@ -0,0 +1,45 @@
+import useSWR from "swr";
+import { FaNetworkWired, FaAngleUp, FaAngleDown } from "react-icons/fa";
+import { useTranslation } from "next-i18next";
+
+import Resource from "../widget/resource";
+import Error from "../widget/error";
+
+export default function Network({ options, refresh = 5000 }) {
+  const { t } = useTranslation();
+
+  const { data, error } = useSWR(`/api/widgets/resources?type=network${(options.network || options.network !== 'default') ? `&interfaceName=${options.network}` : '' }`, {
+    refreshInterval: refresh,
+  });
+
+  if (error || data?.error) {
+    return <Error />;
+  }
+
+  if (!data) {
+    return (
+      <Resource
+        icon={FaNetworkWired}
+        value="-"
+        label={<FaAngleUp/>}
+        expandedValue="-"
+        expandedLabel={<FaAngleDown/>}
+        percentage="0"
+        expanded="true"
+      />
+    );
+  }
+
+  return (
+    <Resource
+      icon={FaNetworkWired}
+      value={t('common.bbytes', { value: data?.network?.tx_bytes })}
+      label={<FaAngleUp/>}
+      expandedValue={t('common.bbytes', { value: data?.network?.rx_bytes })}
+      expandedLabel={<FaAngleDown/>}
+      percentage="0"
+      expanded="true"
+      iconChildren={<span class="bg-theme-100 text-theme-800 text-xs font-medium px-1 py-1 mt-1 rounded dark:bg-theme-700 dark:text-gray-300 text-center">{data.interface}</span>}
+    />
+  );
+}

src/components/widgets/resources/resources.jsx

@@ -6,6 +6,7 @@ import Cpu from "./cpu";
 import Memory from "./memory";
 import CpuTemp from "./cputemp";
 import Uptime from "./uptime";
+import Network from "./network";
 
 export default function Resources({ options }) {
   const { expanded, units, diskUnits, tempmin, tempmax } = options;
@@ -23,6 +24,7 @@ export default function Resources({ options }) {
                 <Disk key={disk} options={{ disk }} expanded={expanded} diskUnits={diskUnits} refresh={refresh} />
               ))
             : options.disk && <Disk options={options} expanded={expanded} diskUnits={diskUnits} refresh={refresh} />}
+          {options.network && <Network options={options} refresh={refresh} />}
           {options.cputemp && (
             <CpuTemp expanded={expanded} units={units} refresh={refresh} tempmin={tempmin} tempmax={tempmax} />
           )}

src/components/widgets/widget/resource.jsx

@@ -3,6 +3,7 @@ import UsageBar from "../resources/usage-bar";
 export default function Resource({
   children,
   icon,
+  iconChildren,
   value,
   label,
   expandedValue = "",
@@ -17,7 +18,10 @@ export default function Resource({
     <div
       className={`flex-none flex flex-row items-center mr-3 py-1.5 information-widget-resource ${additionalClassNames}`}
     >
-      <Icon className="text-theme-800 dark:text-theme-200 w-5 h-5 resource-icon" />
+      <div className="flex flex-col items-center">
+        <Icon className="text-theme-800 dark:text-theme-200 w-5 h-5 resource-icon" />
+        {iconChildren}
+      </div>
       <div className={`flex flex-col ml-3 text-left min-w-[85px] ${expanded ? " expanded" : ""}`}>
         <div className="text-theme-800 dark:text-theme-200 text-xs flex flex-row justify-between">
           <div className="pl-0.5">{value}</div>

src/pages/api/widgets/resources.js

@@ -4,6 +4,7 @@ const si = require("systeminformation");
 
 export default async function handler(req, res) {
   const { type, target } = req.query;
+  let { interfaceName } = req.query;
 
   if (type === "cpu") {
     const load = await si.currentLoad();
@@ -48,6 +49,31 @@ export default async function handler(req, res) {
     });
   }
 
+  if (type === "network"){
+    let networkData = await si.networkStats();
+    if(interfaceName !== "default" && interfaceName !== undefined && interfaceName !== "false"){
+      networkData = networkData.filter((network) => network.iface === interfaceName)['0'];
+      if(!networkData){
+        return res.status(404).json({
+          error: "Interface not found",
+        });
+      }
+    }else{
+      const interfaceDefault = await si.networkInterfaceDefault();
+      interfaceName = interfaceDefault
+      networkData = networkData.filter((network) => network.iface === interfaceDefault)['0'];
+      if(!networkData){
+        return res.status(404).json({
+          error: "Interface not found! Please specify a valid interface name.",
+        });
+      }
+    }
+    return res.status(200).json({
+      network: networkData,
+      interface: interfaceName
+    });
+  }
+
   return res.status(400).json({
     error: "invalid type",
   });

src/skeleton/widgets.yaml

@@ -6,6 +6,7 @@
     cpu: true
     memory: true
     disk: /
+    network: default # options: 'default' or active network interface name
 
 - search:
     provider: duckduckgo