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-- 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 = [[
<html><body>
<p>This is a Lua script supporting html keep-alive with the
<a href="https://github.com/civetweb/civetweb/">CivetWeb web server</a>.
</p>
<p>It works by setting the Content-Length header field properly.
</body></html>
]]
else
reply = "<html><body>Keep alive not possible!</body></html>"
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)
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