networkGatewayDefault() added

lib/index.d.ts

@@ -643,6 +643,7 @@ export function disksIO(cb?: (data: Systeminformation.DisksIoData) => any): Prom
 export function diskLayout(cb?: (data: Systeminformation.DiskLayoutData[]) => any): Promise<Systeminformation.DiskLayoutData[]>;
 
 export function networkInterfaceDefault(cb?: (data: string) => any): Promise<string>;
+export function networkGatewayDefault(cb?: (data: string) => any): Promise<string>;
 export function networkInterfaces(cb?: (data: Systeminformation.NetworkInterfacesData[]) => any): Promise<Systeminformation.NetworkInterfacesData[]>;
 
 export function networkStats(ifaces?: string, cb?: (data: Systeminformation.NetworkStatsData[]) => any): Promise<Systeminformation.NetworkStatsData[]>;

lib/index.js

@@ -347,6 +347,7 @@ exports.disksIO = filesystem.disksIO;
 exports.diskLayout = filesystem.diskLayout;
 
 exports.networkInterfaceDefault = network.networkInterfaceDefault;
+exports.networkGatewayDefault = network.networkGatewayDefault;
 exports.networkInterfaces = network.networkInterfaces;
 exports.networkStats = network.networkStats;
 exports.networkConnections = network.networkConnections;

lib/network.js

@@ -1002,3 +1002,73 @@ function networkConnections(callback) {
 }
 
 exports.networkConnections = networkConnections;
+
+function networkGatewayDefault(callback) {
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let result = '';
+      if (_linux || _freebsd || _openbsd || _netbsd) {
+        let cmd = 'ip route get 1';
+        try {
+          exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+            if (!error) {
+              let lines = stdout.toString().split('\n');
+              const line = lines && lines[0] ? lines[0] : '';
+              let parts = line.split(' via ');
+              if (parts && parts[1]) {
+                parts = parts[1].split(' ');
+                result = parts[0];
+              }
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            }
+          });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+      if (_darwin) {
+        let cmd = 'route -n get default';
+        try {
+          exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+            if (!error) {
+              let lines = stdout.toString().split('\n').map(line => line.trim());
+              result = util.getValue(lines, 'gateway');
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            }
+          });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+      if (_windows) {
+        try {
+          util.powerShell('Get-CimInstance -ClassName Win32_IP4RouteTable | Where-Object { $_.Destination -eq \'0.0.0.0\' -and $_.Mask -eq \'0.0.0.0\' }).InterfaceIndex')
+            .then(data => {
+              let lines = data.toString().split('\r\n');
+              result = lines && lines[0] ? lines[0] : '';
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+
+            });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+    });
+  });
+}
+
+
+exports.networkGatewayDefault = networkGatewayDefault;