Merge pull request #149 from bradyjoestar/mio-external-client

add client-java & client-go. Thanks @bradyjoestar !

samplecode/mio/README.md

@@ -0,0 +1,31 @@
+## Run
+
+Start server
+
+```
+cd server
+make
+cd bin
+./app
+```
+
+Start client 
+
+```
+cd client
+cargo run
+```
+
+Start client-go (golang should be installed)
+```
+cd client-go
+make
+./bin/app
+```
+
+Start client-java (Java:1.8+, mvn)
+```
+cd client-java
+mvn install
+java -jar target/client-java-0.0.1-SNAPSHOT.jar
+```

samplecode/mio/client-go/.gitignore

@@ -0,0 +1,8 @@
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### VS Code ###
+.vscode/

samplecode/mio/client-go/Makefile

@@ -0,0 +1,5 @@
+default: build
+
+build:
+	go build -o bin/app main.go
+

samplecode/mio/client-go/ca.cert

@@ -0,0 +1,51 @@
+-----BEGIN CERTIFICATE-----
+MIIJCjCCBPKgAwIBAgIJAI+QZnVEkxq/MA0GCSqGSIb3DQEBCwUAMBoxGDAWBgNV
+BAMMD3Bvbnl0b3duIFJTQSBDQTAeFw0xNzA0MTAyMDU2MjdaFw0yNzA0MDgyMDU2
+MjdaMBoxGDAWBgNVBAMMD3Bvbnl0b3duIFJTQSBDQTCCBCIwDQYJKoZIhvcNAQEB
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+9Xpi4ds6s2cT8zZGDKI=
+-----END CERTIFICATE-----

samplecode/mio/client-go/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"sync"
+)
+
+func main() {
+	pool := x509.NewCertPool()
+	caCertPath := "./ca.cert"
+
+	caCrt, err := ioutil.ReadFile(caCertPath)
+	if err != nil {
+		fmt.Println("ReadFile err:", err)
+		return
+	}
+	pool.AppendCertsFromPEM(caCrt)
+
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{RootCAs: pool},
+	}
+
+	wg := sync.WaitGroup{}
+	wg.Add(20)
+
+	for i:=0;i<20;i++{
+		go func() {
+			client := &http.Client{Transport: tr}
+			resp, err := client.Get("https://localhost:8443")
+			if err != nil {
+				fmt.Println("Get error:", err)
+				return
+			}
+			defer resp.Body.Close()
+			body, err := ioutil.ReadAll(resp.Body)
+			fmt.Println(string(body))
+			wg.Done()
+		}()
+	}
+
+	wg.Wait()
+}

samplecode/mio/client-java/.gitignore

@@ -0,0 +1,31 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+pubkey.txt
+report.txt
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
+
+### VS Code ###
+.vscode/

samplecode/mio/client-java/.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

samplecode/mio/client-java/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip

samplecode/mio/client-java/ca.cert

@@ -0,0 +1,51 @@
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+9Xpi4ds6s2cT8zZGDKI=
+-----END CERTIFICATE-----