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@@ -1,39 +1,35 @@
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-print("====Wicon, a LUA console over wifi.==========")
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-print("Author: openthings@163.com. copyright&GPL V2.")
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-print("Last modified 2014-11-19. V0.2")
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-print("Wicon Server starting ......")
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+-- a simple telnet server
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-function connected(conn)
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- print("Wifi console connected.")
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- function s_output(str)
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- if (conn~=nil) then
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- conn:send(str)
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- end
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- end
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- node.output(s_output,0)
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- conn:on("receive", function(conn, pl)
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- node.input(pl)
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- end)
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- conn:on("disconnection",function(conn)
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- node.output(nil)
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- end)
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- print("Welcome to NodeMcu world.")
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-end
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+telnet_srv = net.createServer(net.TCP, 180)
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+telnet_srv:listen(2323, function(socket)
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+ local fifo = {}
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+ local fifo_drained = true
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-function startServer()
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- print("Wifi AP connected. Wicon IP:")
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- print(wifi.sta.getip())
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- sv=net.createServer(net.TCP, 180)
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- sv:listen(2323, connected)
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- print("Telnet Server running at :2323")
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- print("===Now, logon and input LUA.====")
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-end
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+ local function sender(c)
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+ if #fifo > 0 then
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+ c:send(table.remove(fifo, 1))
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+ else
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+ fifo_drained = true
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+ end
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+ end
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-tmr.alarm(1, 1000, 1, function()
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- if wifi.sta.getip()=="0.0.0.0" then
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- print("Connect AP, Waiting...")
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- else
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- startServer()
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- tmr.stop(1)
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- end
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+ local function s_output(str)
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+ table.insert(fifo, str)
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+ if socket ~= nil and fifo_drained then
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+ fifo_drained = false
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+ sender(socket)
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+ end
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+ end
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+
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+ node.output(s_output, 0) -- re-direct output to function s_ouput.
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+
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+ socket:on("receive", function(c, l)
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+ node.input(l) -- works like pcall(loadstring(l)) but support multiple separate line
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+ end)
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+ socket:on("disconnection", function(c)
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+ node.output(nil) -- un-regist the redirect output function, output goes to serial
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+ end)
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+ socket:on("sent", sender)
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+
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+ print("Welcome to NodeMcu world.")
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end)
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