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Luca
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290
scripts/lua/examples/interface.lua
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290
scripts/lua/examples/interface.lua
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--
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-- (C) 2013 - ntop.org
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--
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-- Ntop lua class example
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-- Set package.path information to be able to require lua module
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dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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function printTable(table,key)
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-- traceError(TRACE_DEBUG,TRACE_CONSOLE, "Extern\n")
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if (key ~= nil) then print(""..key..":<ul>") end
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for k, v in pairs(table) do
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-- traceError(TRACE_DEBUG,TRACE_CONSOLE, "Intern\n")
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if (type(v) == "table") then
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printTable(table[k],k)
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else
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if (type(v) == "boolean") then
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if (v) then v = "true" else v = "false" end
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end
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print("<li>"..k .." = "..v.."<br>")
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end
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end
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print("</ul>")
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end
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require "lua_utils"
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sendHTTPHeader('text/html; charset=iso-8859-1')
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ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/header.inc")
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dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
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interface.select(ifname)
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local debug = true
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-- setTraceLevel(TRACE_DEBUG) -- Debug mode
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host_ip = _GET["host"]
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hostinfotype = _GET["hostinfotype"]
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aggregated = _GET["aggregated"]
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interfacetype = _GET["interfacetype"]
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showjson = _GET["showjson"]
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flowtype = _GET["flowtype"]
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aggregated = _GET["aggregated"]
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protocol = _GET["protocol"]
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-- Here you can choose the type of your HTTP message {'text/html','application/json',...}. There are two main function that you can use:
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-- function sendHTTPHeaderIfName(mime, ifname, maxage)
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-- function sendHTTPHeader(mime)
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-- For more information please read the scripts/lua/modules/lua_utils.lua file.
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-- Test key 2 host and host 2 key
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-- hosts_stats = interface.getHostsInfo()
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-- for key, value in pairs(hosts_stats) do
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-- print ("key:"..key.."</br>")
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-- info = hostkey2hostinfo(key)
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-- print ("Host: "..info["host"].."@"..info["vlan"].."<br>")
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-- host = interface.getHostInfo(key)
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-- print ("key:"..key.."<br>")
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-- if(host == nil) then
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-- print ("Null<br>")
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-- else
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-- print ("Found<br>")
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-- end
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-- end
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print('<h1>Examples of interface lua class</h1>')
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print('<p>This class provides to hook to objects that describe flows and hosts and it allows you to access to live monitoring data.<br><b>For more information, please read the source code of this file and the doxygen of API Lua.</b></p>')
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print('<hr><h2>Generic information of Network interface</h2>')
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print('<p>By default ntopng set the \"ntop_inteface\" global variable in lua stack, it is the network interface name where ntopng is running.<br>Every time when you want use the interface class, in order to refresh the \"ntop_interface\" global variable , please remember to call the method <b>interface.select(ifname))</b> before to use the interface class.</p>')
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print('<pre><code>print("Default ifname = " .. interface.getDefaultIfName())\nprint("Network interface name = " .. interface.select(ifname))\nprint("Network interface id = " .. interface.name2id(ifname))</code></pre>')
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print('<ul>')
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print('<li>Default ifname = ' .. interface.getDefaultIfName())
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print('<li>Network interface name = ' .. interface.select(ifname))
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print('<li>Network interface id = ' .. interface.name2id(ifname))
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if (interface.isRunning()) then
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print('<li>'..ifname..' is running')
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else
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print('<li>'..ifname..' is not running')
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end
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print('</ul>')
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print('<h4>Available Interfaces</h4>')
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print('<pre><code>interface.getIfNames()</code></pre>')
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printTable(interface.getIfNames())
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print('<hr><h4>Switch network interface</h4>')
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print('<p>In order to switch the network interface where ntopng is running, you need to use the method <b>setActiveInterfaceId(id)</b>, for more information please read the documentation and if you are looking for a complete and correctly example how to switch interface and active a new session, please read the source code of the <b>set_active_interface.lua</b> script.</p>')
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print('<hr><h2 id="interface_information">Interface information</h2>')
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print('<p>The interface lua class provide a few methods to get information about the active network interface.</p>')
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print('<h4>Get interface statistics information</h4>')
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print('<p>Available examples:<ul>')
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print('<li><a href="?interfacetype=show#interface_information">Show statistics information</a>')
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print('</ul></p>')
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print('<p><b>Output:</b><p>')
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print('<ul>')
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if (interfacetype == "show") then
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print('<pre><code>ifstats = interface.getStats()</code></pre>')
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ifstats = interface.getStats()
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for key, value in pairs(ifstats) do
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if (type(ifstats[key]) == "table") then
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printTable(ifstats[key],key)
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elseif (type(ifstats[key]) == "boolean") then
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if (value) then value = "true" else value = "false" end
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print("<li>".. key.." = " ..value.."<br>")
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else
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print("<li>".. key.." = " ..value.."<br>")
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end
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end
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end --if
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print('</ul>')
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print('<hr><h2 id="host_information">Host information</h2>')
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print('<p>The interface lua class provide a few methods to get information about the hosts.</p>')
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print('<h4>Get hosts information</h4>')
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print('<p>This is an example how to use the interface methods to get storage information. In order to extract all information about an host you can use the method "interface.getHostInfo(host_ip,vlan_id)". Please read the doxygen documentation for more information.</p>')
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print('<p>Available examples:<ul>')
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print('<li><a href="?hostinfotype=minimal_one_host#host_information">Minimal information of one host.</a>')
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print('<li><a href="?hostinfotype=minimal_all_host#host_information">Minimal information of all host.</a>')
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print('<li><a href="?hostinfotype=more_one_host#host_information">More information of one host.</a>')
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print('<li><a href="?hostinfotype=more_all_host#host_information">More information of all host.</a>')
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print('</ul></p>')
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print('<p><b>Output:</b><p>')
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print('<ul>')
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if (hostinfotype == "minimal_one_host" ) or (hostinfotype == "minimal_all_host") then
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print('<pre><code>hosts = interface.getHosts()</code></pre>')
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hosts = interface.getHosts()
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if (hosts == nil) then if (debug) then traceError(TRACE_DEBUG,TRACE_CONSOLE, "Host null\n") end end
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for key, value in pairs(hosts) do
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if (hosts[key]["ip"] ~= nil) then
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host_info = hosts[key]["ip"]
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else
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host_info = hosts[key]["mac"]
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end
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print("<li> Key: ".. key)
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print("<ul>")
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print("<li> Ip: "..host_info)
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print("<li> Vlan: "..hosts[key]["vlan"])
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print("<li> Sent Byte + Received Byte: " .. hosts[key]["traffic"])
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print("</ul>")
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print("<br>")
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if (hostinfotype == "minimal_one_host" ) then break end
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end
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end
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if (hostinfotype == "more_one_host" ) or (hostinfotype == "more_all_host") then
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if(hostinfotype == "more_all_host") then
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print('<pre><code>hosts = interface.getHostsInfo()</code></pre>')
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end
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hosts = interface.getHostsInfo()
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if (hosts == nil) then if (debug) then traceError(TRACE_DEBUG,TRACE_CONSOLE, "Host null\n") end end
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for key, value in pairs(hosts) do
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random_host = key
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if (hostinfotype == "more_one_host") then break end
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print("<li> HostName: ".. key.."<br>")
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printTable(hosts[key],key)
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end
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if (hostinfotype == "more_one_host") then
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print('<pre><code>hosts = interface.getHostInfo('..random_host..')</code></pre>')
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print("<li> HostName: ".. random_host.."<br>")
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printTable(interface.getHostInfo(random_host))
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end
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end
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print('</ul>')
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random_host = nil
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print('<hr><h4 id="json_format">Export information in JSON format</h4>')
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print('<p>This is an example how to use the interface methods to export information in json format.</p>')
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print('<a href="?showjson=1#json_format">Show host:</a>')
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if(showjson ~= nil) then
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print('<br><p>Available hosts:<ul>')
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print('<pre><code>hosts_json = interface.getHosts()</code></pre>')
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print('<li><a href="/lua/do_export_data.lua" target="_blank"> All hosts</a>')
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hosts_json = interface.getHosts()
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for key, value in pairs(hosts_json) do
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random_host = key
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print('<li>'..key)
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print('<ul>')
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if (hosts_json[key]["ip"] ~= nil) then
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host_info = hosts_json[key]["ip"]
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else
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host_info = hosts_json[key]["mac"]
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end
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print('<li><a href="/lua/host_get_json.lua?host=' .. host_info..'&vlan='..hosts_json[key]["vlan"]..'" target="_blank"> All information</a>')
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print('<li><a href="/lua/get_host_activitymap.lua?host=' .. key..'" target="_blank"> Only Activity Map </a>')
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print('</ul>')
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end
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print('</ul></p>')
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end
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print('<hr><h2 id="flow_information">Flow information</h2>')
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print('<p>The interface lua class provide a few methods to get information about the flows.</p>')
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print('<h4>Get flows information</h4>')
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print('<p>This is an example how to use the interface methods to get flows information.</p>')
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print('<p>Available examples:<ul>')
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print('<li><a href="?flowtype=description#flow_information">Flows description.</a>')
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print('<li><a href="?flowtype=peers#flow_information">Flow peers</a>')
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-- print('<li><a href="?flowtype=more_one_host">More information of one host.</a>')
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-- print('<li><a href="?flowtype=more_all_host">More information of all host.</a>')
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print('</ul></p>')
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print('<p><b>Output:</b><p>')
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if (flowtype == "description" ) then
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print('<pre><code>flows_stats = interface.getFlowsInfo()\nprintTable(flows_stats)</code></pre>')
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flows_stats = interface.getFlowsInfo()
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printTable(flows_stats)
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end
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if (flowtype == "peers" ) then
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print('<pre><code>flows_stats = interface.getFlowPeers()\nprintTable(flows_peers,"Peers")</code></pre>')
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flows_peers = interface.getFlowPeers()
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printTable(flows_peers,"Peers")
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end
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print('<hr><h2 id="aggregated_information">Aggregated Hosts information</h2>')
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print('<p>Available protocol:<ul>')
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print('<li><a href="?aggregated=1#aggregated_information">All</a>')
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print('<li><a href="?aggregated=1&protocol=5#aggregated_information">DNS</a>')
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print('<li><a href="?aggregated=1&protocol=7#aggregated_information">HTTP</a>')
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print('<li><a href="?aggregated=1&protocol=254#aggregated_information">Operation System</a>')
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print('<li><a href="?aggregated=1&protocol=38#aggregated_information">EPP</a>')
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print('</ul></p>')
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print('<p><b>Output:</b><p>')
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print('<ul>')
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if (aggregated ~= nil) then
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if(protocol == nil) then
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print('<pre><code>aggregated = interface.getAggregatedHostsInfo()</code></pre>')
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hosts_stats = interface.getAggregatedHostsInfo()
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else
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print('<pre><code>aggregated = interface.getAggregatedHostsInfo('..tonumber(protocol)..')</code></pre>')
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hosts_stats = interface.getAggregatedHostsInfo(tonumber(protocol))
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end
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if (table.empty(hosts_stats)) then
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if (debug) then traceError(TRACE_DEBUG,TRACE_CONSOLE, "Aggregated null\n") end
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print('<div class="alert alert-warning">No aggregated hosts found.</div>')
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end
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for key, value in pairs(hosts_stats) do
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printTable(hosts_stats[key],key)
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end
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end
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print('</ul>')
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print('<hr><h4>TDB</h4>')
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print('<p><ul>')
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print('<li>findFlowByKey')
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print('<li>findHost')
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print('<li>getEndpoint')
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print('<li>incrDrops')
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print('<li>getAggregationsForHost')
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print('<li>getAggregationFamilies')
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print('<li>getNumAggregatedHosts')
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print('<li>getNdpiProtoName')
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print('<li>flushHostContacts')
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print('<li>restoreHost')
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print('</ul></p>')
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dofile(dirs.installdir .. "/scripts/lua/inc/footer.lua")
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