Renamed WGI_STANDALONE_CONNECTOR_ACCESS as WGI_STANDALONE_CONNECTOR_EXPORTER.
Isolate the websocket implementation in descendant of {WEB_SOCKET_EVENT_I}.
Added very simple echo websocket example.
+ code cleaning.
This commit is contained in:
29
examples/websocket/application.e
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29
examples/websocket/application.e
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note
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description : "simple application root class"
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date : "$Date$"
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revision : "$Revision$"
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class
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APPLICATION
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create
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make_and_launch
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feature {NONE} -- Initialization
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make_and_launch
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local
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l_launcher: WSF_STANDALONE_WEBSOCKET_SERVICE_LAUNCHER [APPLICATION_EXECUTION]
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opts: WSF_SERVICE_LAUNCHER_OPTIONS
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do
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create {WSF_SERVICE_LAUNCHER_OPTIONS_FROM_INI} opts.make_from_file ("ws.ini")
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create l_launcher.make_and_launch (options)
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end
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options: WSF_SERVICE_LAUNCHER_OPTIONS
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-- Initialize current service.
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do
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create {WSF_SERVICE_LAUNCHER_OPTIONS_FROM_INI} Result.make_from_file ("ws.ini")
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end
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end
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176
examples/websocket/application_execution.e
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176
examples/websocket/application_execution.e
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note
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description : "simple application execution"
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date : "$Date$"
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revision : "$Revision$"
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class
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APPLICATION_EXECUTION
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inherit
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WSF_WEBSOCKET_EXECUTION
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WEB_SOCKET_EVENT_I
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create
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make
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feature -- Basic operations
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execute
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local
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s: STRING
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dt: HTTP_DATE
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do
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-- To send a response we need to setup, the status code and
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-- the response headers.
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if request.path_info.same_string_general ("/app") then
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s := websocket_app_html (9090)
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else
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s := "Hello World!"
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create dt.make_now_utc
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s.append (" (UTC time is " + dt.rfc850_string + ").")
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s.append ("<p><a href=%"/app%">Websocket demo</a></p>")
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end
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response.put_header ({HTTP_STATUS_CODE}.ok, <<["Content-Type", "text/html"], ["Content-Length", s.count.out]>>)
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response.set_status_code ({HTTP_STATUS_CODE}.ok)
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response.header.put_content_type_text_html
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response.header.put_content_length (s.count)
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if attached request.http_connection as l_connection and then l_connection.is_case_insensitive_equal_general ("keep-alive") then
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response.header.put_header_key_value ("Connection", "keep-alive")
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end
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response.put_string (s)
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end
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feature -- Websocket execution
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new_websocket_handler (ws: WEB_SOCKET): WEB_SOCKET_HANDLER
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do
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create Result.make (ws, Current)
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end
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feature -- Websocket execution
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on_open (ws: WEB_SOCKET)
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do
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ws.put_error ("Connecting")
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end
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on_binary (ws: WEB_SOCKET; a_message: READABLE_STRING_8)
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do
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ws.send (Binary_frame, a_message)
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end
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on_text (ws: WEB_SOCKET; a_message: READABLE_STRING_8)
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do
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-- Echo the message for testing.
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ws.send (Text_frame, a_message)
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end
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on_close (ws: WEB_SOCKET)
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-- Called after the WebSocket connection is closed.
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do
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ws.put_error ("Connection closed")
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end
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feature -- HTML Resource
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websocket_app_html (a_port: INTEGER): STRING
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do
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Result := "[
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<!DOCTYPE html>
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<html>
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<head>
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<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
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<script type="text/javascript">
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$(document).ready(function() {
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var socket;
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function connect(){
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var host = "ws://127.0.0.1:##PORTNUMBER##";
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try{
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socket = new WebSocket(host);
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message('<p class="event">Socket Status: '+socket.readyState);
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socket.onopen = function(){
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message('<p class="event">Socket Status: '+socket.readyState+' (open)');
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}
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socket.onmessage = function(msg){
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message('<p class="message">Received: '+msg.data);
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}
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socket.onclose = function(){
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message('<p class="event">Socket Status: '+socket.readyState+' (Closed)');
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}
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} catch(exception){
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message('<p>Error'+exception);
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}
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}
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function send(){
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var text = $('#text').val();
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if(text==""){
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message('<p class="warning">Please enter a message');
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return ;
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}
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try{
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socket.send(text);
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message('<p class="event">Sent: '+text)
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} catch(exception){
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message('<p class="warning">');
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}
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$('#text').val("");
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}
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function message(msg){
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$('#chatLog').append(msg+'</p>');
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}//End message()
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$('#text').keypress(function(event) {
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if (event.keyCode == '13') {
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send();
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}
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});
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$('#disconnect').click(function(){
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socket.close();
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});
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if (!("WebSocket" in window)){
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$('#chatLog, input, button, #examples').fadeOut("fast");
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$('<p>Oh no, you need a browser that supports WebSockets. How about <a href="http://www.google.com/chrome">Google Chrome</a>?</p>').appendTo('#container');
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}else{
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//The user has WebSockets
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connect();
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}
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});
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</script>
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<meta charset="utf-8" />
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<style type="text/css">
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body {font-family:Arial, Helvetica, sans-serif;}
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#container { border:5px solid grey; width:800px; margin:0 auto; padding:10px; }
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#chatLog { padding:5px; border:1px solid black; }
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#chatLog p {margin:0;}
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.event {color:#999;}
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.warning { font-weight:bold; color:#CCC; }
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</style>
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<title>WebSockets Client</title>
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</head>
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<body>
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<div id="wrapper">
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<div id="container">
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<h1>WebSockets Client</h1>
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<div id="chatLog"></div>
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<input id="text" type="text" />
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<button id="disconnect">Disconnect</button>
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</div>
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</div>
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</body>
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</html>
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]"
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Result.replace_substring_all ("##PORTNUMBER##", a_port.out)
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end
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end
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21
examples/websocket/websocket_app.ecf
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21
examples/websocket/websocket_app.ecf
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-15-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-15-0 http://www.eiffel.com/developers/xml/configuration-1-15-0.xsd" name="websocket_app" uuid="75D17C20-10A8-4E4C-A059-33D72A2B6AEF">
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<target name="websocket_app">
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<root class="APPLICATION" feature="make_and_launch"/>
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<file_rule>
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<exclude>/.svn$</exclude>
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<exclude>/CVS$</exclude>
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<exclude>/EIFGENs$</exclude>
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</file_rule>
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<option warning="true" is_attached_by_default="true" void_safety="all" syntax="transitional">
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<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
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</option>
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<setting name="console_application" value="true"/>
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<setting name="concurrency" value="scoop"/>
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<library name="base" location="$ISE_LIBRARY\library\base\base-safe.ecf"/>
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<library name="http" location="..\..\library\network\protocol\http\http-safe.ecf"/>
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<library name="standalone_websocket_connector" location="..\..\library\server\wsf\connector\standalone_websocket-safe.ecf" readonly="false"/>
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<library name="wsf" location="..\..\library\server\wsf\wsf-safe.ecf"/>
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<cluster name="app" location=".\" recursive="true"/>
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</target>
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</system>
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8
examples/websocket/ws.ini
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8
examples/websocket/ws.ini
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verbose=true
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verbose_level=INFORMATION
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port=9090
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max_concurrent_connections=100
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keep_alive_timeout=35
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max_tcp_clients=100
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socket_timeout=30000
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max_keep_alive_requests=3000
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