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@@ -0,0 +1,49 @@
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+-- Set keep_alive. The return value specifies if this is possible at all.
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+canKeepAlive = mg.keep_alive(true)
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+now = os.date("!%a, %d %b %Y %H:%M:%S")
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+
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+-- First send the http headers
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+mg.write("HTTP/1.1 200 OK\r\n")
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+mg.write("Content-Type: text/html\r\n")
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+mg.write("Date: " .. now .. " GMT\r\n")
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+mg.write("Last-Modified: " .. now .. " GMT\r\n")
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+if not canKeepAlive then
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+ mg.write("Connection: close\r\n")
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+ mg.write("\r\n")
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+ mg.write("<html><body>Keep alive not possible!</body></html>")
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+ return
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+end
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+if mg.request_info.http_version ~= "1.1" then
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+ -- wget will use HTTP/1.0 and Connection: keep-alive, so chunked transfer is not possible
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+ mg.write("Connection: close\r\n")
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+ mg.write("\r\n")
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+ mg.write("<html><body>Chunked transfer is only possible for HTTP/1.1 requests!</body></html>")
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+ mg.keep_alive(false)
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+ return
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+end
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+
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+-- use chunked encoding (http://www.jmarshall.com/easy/http/#http1.1c2)
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+mg.write("Cache-Control: max-age=0, must-revalidate\r\n")
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+--mg.write("Cache-Control: no-cache\r\n")
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+--mg.write("Cache-Control: no-store\r\n")
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+mg.write("Connection: keep-alive\r\n")
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+mg.write("Transfer-Encoding: chunked\r\n")
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+mg.write("\r\n")
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+
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+-- function to send a chunk
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+function send(str)
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+ local len = string.len(str)
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+ mg.write(string.format("%x\r\n", len))
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+ mg.write(str.."\r\n")
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+end
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+
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+-- send the chunks
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+send("<html>")
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+send("<head><title>Civetweb Lua script chunked transfer test page</title></head>")
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+send("<body><pre>")
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+send("1234567890")
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+send("</pre></body>")
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+send("</html>")
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+
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+-- end
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+send("")
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