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Efficient static serving #123

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Efficient static serving #123

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2e205d1
Made bufferedConnection local
Fractal147 Jan 5, 2018
501fc83
Directly send chunks of static file.
Fractal147 Jan 5, 2018
a4ecbba
Dropped req table when unneeded
Fractal147 Jan 5, 2018
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2 changes: 1 addition & 1 deletion httpserver-connection.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
-- flush() and for closing the connection.
-- Author: Philip Gladstone, Marcos Kirsch

BufferedConnection = {}
local BufferedConnection = {}

-- parameter is the nodemcu-firmware connection
function BufferedConnection:new(connection)
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8 changes: 5 additions & 3 deletions httpserver-static.lua
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Expand Up @@ -4,6 +4,8 @@

return function (connection, req, args)
dofile("httpserver-header.lc")(connection, 200, args.ext, args.isGzipped)
connection:flush()
coroutine.yield()
-- Send file in little chunks
local bytesRemaining = file.list()[args.file]
-- Chunks larger than 1024 don't work.
Expand All @@ -13,9 +15,9 @@ return function (connection, req, args)
while bytesRemaining > 0 do
local bytesToRead = 0
if bytesRemaining > chunkSize then bytesToRead = chunkSize else bytesToRead = bytesRemaining end
local chunk = fileHandle:read(bytesToRead)
connection:send(chunk)
bytesRemaining = bytesRemaining - #chunk
connection.connection:send(fileHandle:read(bytesToRead))
coroutine.yield()
bytesRemaining = bytesRemaining - bytesToRead
--print(args.file .. ": Sent "..#chunk.. " bytes, " .. bytesRemaining .. " to go.")
chunk = nil
collectgarbage()
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4 changes: 4 additions & 0 deletions httpserver.lua
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Expand Up @@ -60,6 +60,7 @@ return function (port)
-- nodemcu-firmware cannot handle long filenames.
uri.args = {code = 400, errorString = "Bad Request", logFunction = log}
fileServeFunction = dofile("httpserver-error.lc")
req=nil
else
local fileExists = false

Expand All @@ -79,15 +80,18 @@ return function (port)
if not fileExists then
uri.args = {code = 404, errorString = "Not Found", logFunction = log}
fileServeFunction = dofile("httpserver-error.lc")
req=nil
elseif uri.isScript then
fileServeFunction = dofile(uri.file)
else
if allowStatic[method] then
uri.args = {file = uri.file, ext = uri.ext, isGzipped = uri.isGzipped}
fileServeFunction = dofile("httpserver-static.lc")
req=nil
else
uri.args = {code = 405, errorString = "Method not supported", logFunction = log}
fileServeFunction = dofile("httpserver-error.lc")
req=nil
end
end
end
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