godzil/nodemcu-httpserver
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Functional GET can serve text files up to 1 KB

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This commit is contained in:
Marcos Kirsch 2015-02-14 00:22:23 -06:00
parent b0cbe2a77f
commit 8272d8f59c
1 changed files with 11 additions and 9 deletions
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20
httpserver.lua
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@ -44,10 +44,10 @@ local function uriToFilename(uri)
return "http/" .. string.sub(uri, 2, -1)
end
local function on404NotFound(connection)
print("onNotFound: The requested file was not found.")
connection:send("HTTP/1.1 404 Not Found\r\nContent-Type: text/html\r\nContent-Length: " .. string.len(html) .. "\r\nConnection: close\r\n\r\n")
connection:send("<html><head><title>404 - Not Found</title></head><body><h1>404 - Not Found</h1></body></html>\r\n")
local function onError(connection, errorCode, errorString)
print(errorCode .. ": " .. errorString)
connection:send("HTTP/1.0 " .. errorCode .. " " .. errorString .. "\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n")
connection:send("<html><head><title>" .. errorCode .. " - " .. errorString .. "</title></head><body><h1>" .. errorCode .. " - " .. errorString .. "</h1></body></html>\r\n")
connection:close()
end
@ -55,9 +55,10 @@ local function onGet(connection, uri)
print("onGet: requested uri is: " .. uri)
local fileExists = file.open(uriToFilename(uri), "r")
if not fileExists then
on404NotFound(connection)
onError(connection, 404, "Not Found")
else
connection:send("HTTP/1.1 200 OK\r\nContent-Type: text/html\r\Cache-Control: private, no-store\r\n\r\n")
-- Use HTTP/1.0 to ensure client closes connection.
connection:send("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\Cache-Control: private, no-store\r\n\r\n")
connection:send(file.read())
connection:close()
file.close()
@ -66,7 +67,7 @@ end
local function onReceive(connection, payload)
print ("onReceive: We have a customer!")
print(payload) -- for debugging
--print(payload) -- for debugging
-- parse payload and decide what to serve.
parsedRequest = parseRequest(payload)
@ -74,7 +75,7 @@ local function onReceive(connection, payload)
method = validateMethod(parsedRequest.method)
if method == nil then
onBadRequest(connection)
onError(connection, 400, "Bad Request")
return
end
@ -83,7 +84,7 @@ local function onReceive(connection, payload)
return
end
onNotImplemented(connection)
onNotImplemented(connection, 501, "Not Implemented")
end
@ -101,6 +102,7 @@ end
function httpserver.start(port, clientTimeoutInSeconds)
server = net.createServer(net.TCP, clientTimeoutInSeconds)
server:listen(port, handleRequest)
print("nodemcu-httpserver running at " .. port .. ":" .. wifi.sta.getip())
return server
end