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J'ai des problèmes de fuite mémoire avec mon reverse telnet :-(

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This commit is contained in:
Christian Zufferey
2020-02-21 13:37:00 +01:00
parent 8e7defb8f2
commit 9b07651d7d
2 changed files with 53 additions and 12 deletions
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31
Mesures/ADC/ADS1115/0_tst3_socat.lua
View File

@@ -3,14 +3,16 @@ tests connection reverse telnet
commande à faire tourner sur le serveur
1ere console
socat TCP-LISTEN:23002,fork,reuseaddr STDIO
socat TCP-LISTEN:23047,reuseaddr,fork TCP-LISTEN:24047,reuseaddr,bind=127.0.0.1
pour une liaison directe:
socat TCP-LISTEN:23047,fork,reuseaddr STDIO
pour une console sur un port:
socat TCP-LISTEN:23047,reuseaddr,fork TCP-LISTEN:23000,reuseaddr,bind=127.0.0.1
2e console
telnet -r localhost 24047
telnet -r localhost 23000
]]
print("\n 0_tst3_socat.lua zf200220.0926 \n")
print("\n 0_tst3_socat.lua zf200221.1335 \n")
local node, table, tmr, wifi, uwrite, tostring =
node, table, tmr, wifi, uart.write, tostring
@@ -84,13 +86,23 @@ local function telnet_listener(socket)
local function disconnect(s)
fifo1, fifo1l, fifo2, fifo2l, s = {}, 0, {}, 0, nil
node.output(nil)
---srv_rt=nil
-- srv_rt=nil
print("disconnected...")
--[[
print("rt_retry:",rt_retry)
rt_retry=rt_retry-1
print("rt_retry:",rt_retry)
if rt_retry>=0 then
print("on ressaie en vitesse ;-)")
rt_connect()
end
]]
end
--zzz
local function zconnection(s)
print("Welcome to NodeMCU world.")
print("Welcome on ne devrait jamais passer pa là to NodeMCU world.")
end
socket:on("connection", zconnection)
@@ -104,9 +116,11 @@ end
print("Telnet server running...\nUsage: telnet -rN ip\n")
function rt_connect()
srv_rt = nil
srv_rt = net.createConnection(net.TCP, 0)
srv_rt:on("connection", function(sck)
if verbose then print("connected on "..console_host..":"..console_port+yellow_tag) end
if verbose then print(node.heap()) collectgarbage() print(node.heap()) end
telnet_listener(sck)
print("Welcome to NodeMCU world.")
end)
@@ -114,7 +128,8 @@ function rt_connect()
end
tmr_socat1=tmr.create()
tmr_socat1:alarm(3*1000, tmr.ALARM_AUTO , function()
tmr_socat1:alarm(5*1000, tmr.ALARM_AUTO , function()
rt_retry=1
if verbose then gpio.write(zLED, gpio.LOW) tmr.delay(10000) gpio.write(zLED, gpio.HIGH) end
if console_port+yellow_tag == srv_rt:getpeer() then
if verbose then gpio.write(zLED, gpio.LOW) end
@@ -122,11 +137,13 @@ tmr_socat1:alarm(3*1000, tmr.ALARM_AUTO , function()
if verbose then
gpio.write(zLED, gpio.HIGH)
print("trying connect to "..console_host..":"..console_port+yellow_tag)
if verbose then print(node.heap()) collectgarbage() print(node.heap()) end
end
rt_connect()
end
end)
rt_retry=1
rt_connect()

34
rtelnet.sh
View File

@@ -1,6 +1,6 @@
#!/bin/bash
# petit script provisoire pour se connecter sur les NodeMCU en reverse telnet
# zf200219.1710
# zf200221.1336
#test si l'argument est vide
@@ -15,13 +15,37 @@ if [ -z "$1" ]
exit
fi
# on établit le serveur reverse telnet
ssh ubuntu@www.zuzutest.ml socat TCP-LISTEN:$1,reuseaddr,fork TCP-LISTEN:24047,reuseaddr,bind=127.0.0.1 &
# on tue le serveur reverse telnet
ssh ubuntu@www.zuzutest.ml killall -9 socat
# on tue le tunnel
killall -9 ssh
# on établit le serveur reverse telnet
ssh ubuntu@www.zuzutest.ml socat TCP-LISTEN:$1,reuseaddr,fork TCP-LISTEN:23000,reuseaddr,bind=127.0.0.1 &
watch -n 1 'ssh ubuntu@www.zuzutest.ml netstat -nat |grep 230'
# on crée le tunnel sur la console du NodeMCU
ssh -N -L 23000:localhost:23000 ubuntu@www.zuzutest.ml &
ça ne marche pas bien ici :-(
read -p "On attend un certain temps que le NodeMCU se connecte ;-)"
# on se connecte en telnet sur le NodeMCU
ssh ubuntu@www.zuzutest.ml telnet -r localhost 24047
#ssh ubuntu@www.zuzutest.ml telnet -r localhost 24047
telnet -r localhost 23000
read -p "Voulez-vous tuer la connexion ?"
# on tue le serveur reverse telnet
ssh ubuntu@www.zuzutest.ml killall -9 socat
# on tue le tunnel
killall -9 ssh