--
-- (C) 2013 - ntop.org
--
-- debug lua example
-- Set package.path information to be able to require lua module
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
-- Here you can choose the type of your HTTP message {'text/html','application/json',...}. There are two main function that you can use:
-- function sendHTTPHeaderIfName(mime, ifname, maxage)
-- function sendHTTPHeader(mime)
-- For more information please read the scripts/lua/modules/lua_utils.lua file.
sendHTTPHeader('text/html; charset=iso-8859-1')
ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/header.inc")
dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
print('debug Lua example')
print('')
print('How to debug your lua scripts
')
print('
How to print debug information
')
print('ntopng Lua library comes with a standard trace event features:
')
print('There are five type of event:
')
print('')
print('- TRACE_ERROR
')
print('- TRACE_WARNING
')
print('- TRACE_NORMAL
')
print('- TRACE_INFO
')
print('- TRACE_DEBUG
')
print('
')
print('Use the following function to modify the current trace level.
')
print('setTraceLevel(p_trace_level)resetTraceLevel()
')
print('There are two type of trace:
')
print('')
print('- TRACE_CONSOLE
')
print('- TRACE_WEB
')
print('
')
print('Default: Only the TRACE_ERROR is printed.
')
print('There are two way to print some debug information:
')
print('')
if(_GET["trace"] == "console") then
print('Code:
')
print('
traceError(TRACE_DEBUG,TRACE_CONSOLE, "Trace: ".._GET["trace"])
')
end
if(_GET["trace"] == "web") then
print('Code:
')
print('
traceError(TRACE_DEBUG,TRACE_WEB, "Trace: ".._GET["trace"])
')
end
if(_GET["trace"] == "console") then
print('Output:
')
print('
')
traceError(TRACE_ERROR,TRACE_CONSOLE, "Trace: ".._GET["trace"])
end
if(_GET["trace"] == "web") then
print('Output:
')
print('
- ')
traceError(TRACE_ERROR,TRACE_WEB, "Trace: ".._GET["trace"])
print('
')
end
print('Output format:
')
print('#date #time [#calling_function] [#filename:#currentline] #trace_level: #message
')
print('NB: #calling_function will be show only if it is different from #filename:#currentline
')
print('
How to read and print the _GET variables
')
print('Any lua scripts can be executed by passing one or more parameters. The simple way to get an input variable is "variable_name = _GET["variable_name"]".
Try with this: /lua/examples/debug.lua?host=192.168.1.10&myparam=myparam&var=123456
')
-- Print _GET variable
print('')
for key, value in pairs(_GET) do
print(key.."="..value.."
")
end
-- printGETParameters(_GET)
print('
')
dofile(dirs.installdir .. "/scripts/lua/inc/footer.lua")