-- Set keep_alive. The return value specifies if this is possible at all. canKeepAlive = mg.keep_alive(true) if canKeepAlive then -- Create the entire response in a string variable first. Content-Length will be set to the length of this string. reply = [[

This is a Lua script supporting html keep-alive with the CivetWeb web server.

It works by setting the Content-Length header field properly. ]] else reply = "Keep alive not possible!" end -- 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: " .. os.date("!%a, %d %b %Y %H:%M:%S") .. " GMT\r\n") mg.write("Cache-Control: no-cache\r\n") if canKeepAlive then mg.write("Content-Length: " .. tostring(string.len(reply)) .. "\r\n") mg.write("Connection: keep-alive\r\n") else mg.write("Connection: close\r\n") end mg.write("\r\n") -- Finally send the content mg.write(reply)