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74 lines
2.4 KiB
HTML
74 lines
2.4 KiB
HTML
<!--
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Copyright 2013, Google Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-->
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<!--
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Simple example of the Server-Sent Events
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http://dev.w3.org/html5/eventsource/
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For comparison with the WebSocket Protocol & API.
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Run the pywebsocket with the --cgi_path parameter.
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-->
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<html>
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<head>
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<title>Server-Sent Events Example</title>
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<script>
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var eventSource = null;
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function addToLog(data) {
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logBox.value += data + '\n';
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logBox.scrollTop = 1000000;
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}
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function init() {
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logBox = document.getElementById('log');
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eventSource = new EventSource('/eventsource.cgi');
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eventSource.onopen = function() {
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addToLog('onopen (readyState = ' + eventSource.readyState + ')');
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}
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eventSource.onmessage = function(event) {
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addToLog(event.data);
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}
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eventSource.onerror = function(event) {
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addToLog('onerror (readyState = ' + eventSource.readyState + ')');
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}
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}
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</script>
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</head>
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<body onload="init()">
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<textarea id="log" rows="10" cols="40" readonly></textarea>
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<p style="font-size: small">
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Make sure that pywebsocket is run with --cgi_path parameter.
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</p>
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</body>
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</html>
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