From 09e45ac50e2600887b00a21e1d76132c2b7f0358 Mon Sep 17 00:00:00 2001
From: SerVB <servbul@yandex.ru>
Date: Tue, 31 Dec 2019 22:07:16 +0300
Subject: [PATCH] Initial commit

---
 .gitignore                                    |  1 +
 .idea/.gitignore                              |  2 +
 .idea/codeStyles/Project.xml                  | 10 ++++
 .idea/codeStyles/codeStyleConfig.xml          |  5 ++
 .idea/kotlinc.xml                             | 10 ++++
 .idea/libraries/KotlinJavaRuntime.xml         | 19 ++++++
 ...rg_java_websocket_Java_WebSocket_1_4_0.xml | 11 ++++
 .idea/misc.xml                                |  6 ++
 .idea/modules.xml                             |  8 +++
 .idea/vcs.xml                                 |  6 ++
 chat-server.iml                               | 13 +++++
 src/Main.kt                                   | 58 +++++++++++++++++++
 12 files changed, 149 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/codeStyles/Project.xml
 create mode 100644 .idea/codeStyles/codeStyleConfig.xml
 create mode 100644 .idea/kotlinc.xml
 create mode 100644 .idea/libraries/KotlinJavaRuntime.xml
 create mode 100644 .idea/libraries/org_java_websocket_Java_WebSocket_1_4_0.xml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 chat-server.iml
 create mode 100644 src/Main.kt

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..89f9ac0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+out/
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..5c98b42
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..1bec35e
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,10 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..79ee123
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
new file mode 100644
index 0000000..16533ee
--- /dev/null
+++ b/.idea/kotlinc.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Kotlin2JvmCompilerArguments">
+    <option name="jvmTarget" value="1.8" />
+  </component>
+  <component name="KotlinCommonCompilerArguments">
+    <option name="apiVersion" value="1.3" />
+    <option name="languageVersion" value="1.3" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/libraries/KotlinJavaRuntime.xml b/.idea/libraries/KotlinJavaRuntime.xml
new file mode 100644
index 0000000..1a7265d
--- /dev/null
+++ b/.idea/libraries/KotlinJavaRuntime.xml
@@ -0,0 +1,19 @@
+<component name="libraryTable">
+  <library name="KotlinJavaRuntime">
+    <CLASSES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk7.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk8.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk7-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk8-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/org_java_websocket_Java_WebSocket_1_4_0.xml b/.idea/libraries/org_java_websocket_Java_WebSocket_1_4_0.xml
new file mode 100644
index 0000000..5266850
--- /dev/null
+++ b/.idea/libraries/org_java_websocket_Java_WebSocket_1_4_0.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="org.java-websocket:Java-WebSocket:1.4.0" type="repository">
+    <properties maven-id="org.java-websocket:Java-WebSocket:1.4.0" />
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/java-websocket/Java-WebSocket/1.4.0/Java-WebSocket-1.4.0.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..e0844bc
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..71844b8
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/chat-server.iml" filepath="$PROJECT_DIR$/chat-server.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/chat-server.iml b/chat-server.iml
new file mode 100644
index 0000000..72d6a6b
--- /dev/null
+++ b/chat-server.iml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+    <orderEntry type="library" name="org.java-websocket:Java-WebSocket:1.4.0" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/src/Main.kt b/src/Main.kt
new file mode 100644
index 0000000..bf36c3d
--- /dev/null
+++ b/src/Main.kt
@@ -0,0 +1,58 @@
+import org.java_websocket.WebSocket
+import org.java_websocket.handshake.ClientHandshake
+import org.java_websocket.server.WebSocketServer
+import java.net.InetSocketAddress
+
+class ChatServer(port: Int) : WebSocketServer(InetSocketAddress(port)) {
+
+    private var nextId = 0
+
+    override fun onOpen(connection: WebSocket, handshake: ClientHandshake?) {
+        val id = ++nextId
+
+        println("#$id connected")
+        connection.setAttachment(id)
+    }
+
+    override fun onClose(connection: WebSocket, code: Int, reason: String?, remote: Boolean) {
+        println("#${connection.getAttachment<Int>()} disconnected")
+    }
+
+    override fun onMessage(connection: WebSocket, message: String) {
+        val toClientMessage = "${connection.getAttachment<Int>()}: $message"
+
+        connections.filter(WebSocket::isOpen).forEach { openedConnection ->
+            try {
+                openedConnection.send(toClientMessage)
+            } catch (t: Throwable) {
+            }
+        }
+    }
+
+    override fun onStart() {
+        println("server starts on port $port")
+    }
+
+    override fun onError(connection: WebSocket, e: Exception?) {
+        println("error: $e")
+    }
+}
+
+object Main {
+
+    @JvmStatic
+    fun main(vararg args: String) {
+        val server = ChatServer(DEFAULT_PORT).apply {
+            start()
+        }
+
+        Runtime.getRuntime().addShutdownHook(object : Thread() {
+
+            override fun run() {
+                server.stop()
+            }
+        })
+    }
+
+    private const val DEFAULT_PORT = 8885
+}