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