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Reworked the way ntopng checks for updates: code improved, responses are cached

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Luca 2015-06-02 12:52:43 +02:00
parent 7f0374a7ea
commit 8dca0d42cf
3 changed files with 29 additions and 20 deletions
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31
scripts/lua/modules/lua_utils.lua
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@ -1089,10 +1089,10 @@ function version2int(v)
major = e[1]
minor = e[2]
veryminor = e[3]
if(major == nil or type(major) ~= "number") then major = 0 end
if(minor == nil or type(minor) ~= "number") then minor = 0 end
if(veryminor == nil or type(veryminor) ~= "number") then veryminor = 0 end
if(major == nil or type(major) ~= "string") then major = 0 end
if(minor == nil or type(minor) ~= "string") then minor = 0 end
if(veryminor == nil or type(veryminor) ~= "string") then veryminor = 0 end
version = tonumber(major)*1000 + tonumber(minor)*100 + tonumber(veryminor)
return(version)
@ -1101,6 +1101,29 @@ function version2int(v)
end
end
function ntop_version_check()
_rsp = ntop.getCache("ntopng.version")
if((_rsp == nil) or (_rsp == "")) then
_rsp = ntop.httpGet("http://www.ntop.org/ntopng.version", "", "", 10)
if((_rsp == nil) or (_rsp["CONTENT"] == nil)) then rsp = "0.0.0" else rsp = _rsp["CONTENT"] end
ntop.setCache("ntopng.version", rsp, 86400)
else
rsp = _rsp
end
if(rsp ~= nil) then
info = ntop.getInfo()
stable_version = version2int(rsp)
version_elems = split(info["version"], " ");
this_version = version2int(version_elems[1])
if(stable_version > this_version) then
print("<p><div class=\"alert alert-warning\"><font color=red><i class=\"fa fa-cloud-download fa-lg\"></i> A new "..info["product"].." (v." .. rsp .. ") is available for <A HREF=http://www.ntop.org/get-started/download/>download</A>: please upgrade.</font></div></p>")
end
end
end
-- Print contents of `tbl`, with indentation.