Please add http4k framework to benchmarks. (#2765)

* initial stab at adding http4k to framework benchmarks

* more work on http4k

* refactor filter to extract common behaviour

* whoops. updated source to refer to this project instead of another one! :)

frameworks/Kotlin/http4k/.gitignore

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+target/
+project/target
+bin/
+logs/
+.idea/
+.cache
+.classpath
+.project
+/bin/
+tools/
+sbt

frameworks/Kotlin/http4k/Dockerfile

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+FROM mysql
+
+ADD create.sql /docker-entrypoint-initdb.d/

frameworks/Kotlin/http4k/README.md

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+#fintrospect Benchmarking Test
+
+## Infrastructure Software Versions
+The tests were run with:
+
+* [Java Oracle 1.8.0_25](http://www.oracle.com/technetwork/java/javase)
+* [http4k](https://github.com/http4k/http4k)
+
+## Test URLs
+
+- JSON Encoding: http://localhost:9000/json
+- Plaintext: http://localhost:9000/plaintext
+
+## How to run
+```bash
+./gradlew clean build jetty
+java -jar build/libs/http4k-standalone.jar &
+```
+

frameworks/Kotlin/http4k/benchmark_config.json

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+{
+  "framework": "http4k",
+  "tests": [
+    {
+      "default": {
+        "orm": "Raw",
+        "database_os": "Linux",
+        "setup_file": "setup_jetty",
+        "json_url": "/json",
+        "plaintext_url": "/plaintext",
+        "port": 9000,
+        "approach": "Realistic",
+        "classification": "Micro",
+        "database": "None",
+        "framework": "http4k",
+        "language": "Kotlin",
+        "platform": "Servlet",
+        "webserver": "None",
+        "os": "Linux",
+        "display_name": "http4k-jetty",
+        "notes": "",
+        "versus": "servlet"
+      }
+    },
+    {
+      "default": {
+        "orm": "Raw",
+        "database_os": "Linux",
+        "setup_file": "setup_netty",
+        "json_url": "/json",
+        "plaintext_url": "/plaintext",
+        "port": 9000,
+        "approach": "Realistic",
+        "classification": "Micro",
+        "database": "None",
+        "framework": "http4k",
+        "language": "Kotlin",
+        "platform": "Netty",
+        "webserver": "None",
+        "os": "Linux",
+        "display_name": "http4k-netty",
+        "notes": "",
+        "versus": "netty"
+      }
+    }
+  ]
+}

frameworks/Kotlin/http4k/build.gradle

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+buildscript {
+    ext.kotlin_version = "1.1.2"
+    ext.http4k_version = "0.20.0"
+    repositories {
+        mavenCentral()
+        jcenter()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath 'com.github.rholder:gradle-one-jar:1.0.4'
+    }
+}
+
+repositories {
+    mavenCentral()
+    jcenter()
+}
+
+apply plugin: "kotlin"
+apply plugin: 'gradle-one-jar'
+
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
+
+dependencies {
+    compile "org.apache.commons:commons-lang3:3.5"
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    compile "org.http4k:http4k-core:$http4k_version"
+    compile "org.http4k:http4k-contract:$http4k_version"
+    compile "org.http4k:http4k-format-jackson:$http4k_version"
+    compile "org.http4k:http4k-server-jetty:$http4k_version"
+    compile "org.http4k:http4k-server-netty:$http4k_version"
+}
+
+task jetty(type: OneJar) {
+    mainClass = 'Http4kJettyServerKt'
+}
+
+task netty(type: OneJar) {
+    mainClass = 'Http4kNettyServerKt'
+}

frameworks/Kotlin/http4k/gradle/wrapper/gradle-wrapper.properties

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+#Mon May 08 13:42:30 BST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-all.zip

frameworks/Kotlin/http4k/gradlew

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+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save ( ) {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

frameworks/Kotlin/http4k/run_db.sh

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+#!/usr/bin/env bash
+
+cp ../../../config/create.sql .
+
+docker build -t dbi .
+
+rm create.sql
+
+docker run --name db -d \
+  -e MYSQL_ROOT_PASSWORD=123 \
+  -p 3306:3306 dbi

frameworks/Kotlin/http4k/setup_jetty.sh

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+#!/bin/bash
+
+fw_depends mysql java
+
+gradle wrapper
+
+gradle clean build jetty
+java -server -XX:+UseNUMA -XX:+UseParallelGC -XX:+AggressiveOpts -XX:+AlwaysPreTouch -jar build/libs/http4k-standalone.jar &

frameworks/Kotlin/http4k/setup_netty.sh

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+#!/bin/bash
+
+fw_depends mysql java
+
+gradle wrapper
+
+gradle clean build netty
+java -server -XX:+UseNUMA -XX:+UseParallelGC -XX:+AggressiveOpts -XX:+AlwaysPreTouch -jar build/libs/http4k-standalone.jar &

frameworks/Kotlin/http4k/source_code

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+http4k/src/main/scala/
+http4k/src/main/scala/Http4kBenchmarkServer.kt
+http4k/src/main/scala/Http4kJettyServer.kt
+http4k/src/main/scala/Http4kNettyServer.kt

frameworks/Kotlin/http4k/src/main/kotlin/Http4kBenchmarkServer.kt

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+
+import org.apache.commons.lang3.time.FastDateFormat.getInstance
+import org.http4k.asByteBuffer
+import org.http4k.contract.Root
+import org.http4k.contract.Route
+import org.http4k.contract.RouteModule
+import org.http4k.contract.SimpleJson
+import org.http4k.core.ContentType
+import org.http4k.core.Filter
+import org.http4k.core.Method.GET
+import org.http4k.core.Response
+import org.http4k.core.Status.Companion.OK
+import org.http4k.core.with
+import org.http4k.format.Jackson
+import org.http4k.format.Jackson.json
+import org.http4k.lens.Body
+import org.http4k.server.ServerConfig
+import org.http4k.server.asServer
+import java.util.TimeZone.getTimeZone
+
+object Http4kBenchmarkServer {
+    private val json = Jackson
+    private val preAllocatedHelloWorldText = "Hello, World!".asByteBuffer()
+    private val dateFormat = getInstance("EEE, d MMM yyyy HH:mm:ss 'GMT'", getTimeZone("GMT"))
+
+    private val dateAndServer = Filter {
+        next ->
+        {
+            next(it)
+                .header("Server", "Example")
+                .header("Date", dateFormat.format(System.currentTimeMillis()))
+        }
+    }
+
+    private val jsonBody = Body.json().required()
+    private val plainTextBody = Body.binary(ContentType.TEXT_PLAIN).required()
+
+    private val module = RouteModule(Root, SimpleJson(json), dateAndServer)
+        .withRoute(Route("plaintext").at(GET) / "plaintext" bind {
+            Response(OK).with(plainTextBody to preAllocatedHelloWorldText)
+        })
+        .withRoute(Route("json").at(GET) / "json" bind {
+            Response(OK).with(jsonBody to json.obj("message" to json.string("Hello, World!")))
+        })
+
+    fun start(config: ServerConfig) = module.toHttpHandler().asServer(config).start().block()
+}

frameworks/Kotlin/http4k/src/main/kotlin/Http4kJettyServer.kt

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+
+import org.http4k.server.Jetty
+
+fun main(args: Array<String>) {
+    Http4kBenchmarkServer.start(Jetty(9000))
+}

frameworks/Kotlin/http4k/src/main/kotlin/Http4kNettyServer.kt

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+import org.http4k.server.Netty
+
+fun main(args: Array<String>) {
+    Http4kBenchmarkServer.start(Netty(9000))
+}