tcp-check - npm Package Compare versions

Comparing version 0.1.2 to 0.2.0

index.js

 let __tcpCheck = require('./build/Release/tcpCheck');
 let net = require('net');
+let dns = require('dns');
 
-class InvalidAddressError extends Error {
-  constructor() {
-    super('invalid ip address, must be a ipv4 string');
-    this.name = 'INVALID_IP_ADDRESS';
-  }
-}
-
 class InvalidPortError extends Error {
@@ -18,28 +12,31 @@ constructor() {
 
-let tcpCheck = (ip, port, timeout) => new Promise((resolve, reject) => {
+let tcpCheck = (host, port, timeout) => new Promise((resolve, reject) => {
 
-  // Type converting
-  ip += '';
+  let timer = setTimeout(reject, timeout * 1 || 1000, { name: 'TIMEOUT' });
+
+  host += '';
   port |= 0;
-  timeout = timeout * 1 || 1000;
 
-  // Value checking
-  if (!net.isIPv4(ip)) return reject(new InvalidAddressError());
   if (port < 1 || port > 65535) return reject(new InvalidPortError());
 
-  // Set timer
-  let timer = setTimeout(reject, timeout, { name: 'TIMEOUT' });
+  const onLookup = (error, ip) => {
+    if (error) return reject({ name: error.code });
+    actualCheck(ip, port);
+  };
 
-  // Actual check
-  __tcpCheck(ip, port, status => {
-    clearTimeout(timer);
-    if (status) {
-      reject(status);
-    } else {
-      resolve(status);
-    }
-  });
+  const actualCheck = (ip, port) => {
+    __tcpCheck(ip, port, result => {
+      clearTimeout(timer);
+      if (result.name === 'OK') {
+        resolve(result);
+      } else {
+        reject(result);
+      }
+    });
+  };
 
+  net.isIPv4(host) ? actualCheck(host, port) : dns.lookup(host, { family: 4, timeout: 100 }, onLookup);
+
 });
 
 module.exports = tcpCheck;

package.json

 {
   "name": "tcp-check",
-  "version": "0.1.2",
+  "version": "0.2.0",
   "description": "TCP LISTENING CHECKER",
@@ -15,2 +15,5 @@ "main": "index.js",
   ],
+  "bin": {
+    "tcp-check": "./bin/tcp-check.js"
+  },
   "devDependencies": {
@@ -22,3 +25,24 @@ "mocha": "^3.1.0",
     "nan": "^2.4.0"
+  },
+  "reciperConfig": {
+    "name": "tcp-check",
+    "darkColor": "#333",
+    "normalColor": "#666",
+    "primaryColor": "#000",
+    "languages": [
+      "javascript"
+    ],
+    "home": "/tcp-check/",
+    "items": [
+      {
+        "text": "Introduction",
+        "href": "/tcp-check/docs/intro/"
+      },
+      {
+        "text": "Github",
+        "href": "//github.com/YanagiEiichi/tcp-check",
+        "target": "_blank"
+      }
+    ]
   }
 }

README.md

@@ -1,25 +0,1 @@
-## tcp-check
-
-### install
-
-```bash
-npm install tcp-check
-```
-
-### usage
-
-```js
-var promise = tcpCheck(ip, port);
-```
-
-### demo
-
-```js
-const tcpCheck = require('tcp-check');
-
-tcpCheck('127.0.0.1', 80).then(() => {
-  console.log('ok, your 80 port is listening.');
-}, error => {
-  console.log(':joy:, your 80 port is not listening.');
-});
-```
+docs <- https://yanagieiichi.github.io/tcp-check/

tests/basic.js

@@ -12,7 +12,11 @@ const mocha = require('mocha');
 
-  it(`tcpCheck('127.0.0.1', ${port})`, () => {
+  it(`tcpCheck('127.0.0.1', ${port}) OK`, () => {
     return tcpCheck('127.0.0.1', port);
   });
 
-  it(`tcpCheck('127.0.0.1', 1)`, () => {
+  it(`tcpCheck('github.com', 80) OK`, () => {
+    return tcpCheck('github.com', 80);
+  });
+
+  it(`tcpCheck('127.0.0.1', 1) ECONNREFUSED`, () => {
     return tcpCheck('127.0.0.1', 1).then(() => {
@@ -25,6 +29,30 @@ throw new Error('must throw');
 
-  it(`tcpCheck('10.0.0.0', 80)`, () => {
-    return tcpCheck('10.0.0.0', 80).then(() => {
+  it(`tcpCheck('127.0.0.1', 0) INVALID_PORT`, () => {
+    return tcpCheck('127.0.0.1', 0).then(() => {
       throw new Error('must throw');
     }, error => {
+      error.name.should.equal('INVALID_PORT');
+    });
+  });
+
+  it(`tcpCheck('0.0.0.1', 80) EHOSTUNREACH`, () => {
+    return tcpCheck('0.0.0.1', 80).then(() => {
+      throw new Error('must throw');
+    }, error => {
+      error.name.should.equal('EHOSTUNREACH');
+    });
+  });
+
+  it(`tcpCheck('x.x', 80) ENOTFOUND`, () => {
+    return tcpCheck('x.x', 80).then(() => {
+      throw new Error('must throw');
+    }, error => {
+      error.name.should.equal('ENOTFOUND');
+    });
+  });
+
+  it(`tcpCheck('x.com', 80) TIMEOUT`, () => {
+    return tcpCheck('x.com', 80).then(() => {
+      throw new Error('must throw');
+    }, error => {
       error.name.should.equal('TIMEOUT');
@@ -31,0 +59,0 @@ });

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

13679

increased by79.44%

Number of package files

13

increased by44.44%

Lines of code

89

increased by45.9%

Worsened metrics

Number of lines in readme file

2

decreased by-92.31%

Number of medium supply chain risk alerts

4

increased by33.33%

No dependency changes