1.6. Misc API¶
Miscellaneous utility functions.
Functions
-
function
getDirs()¶ Get ntopng directory information.
- Return
- table (installdir, workingdir, scriptdir, httpdocsdir, callbacksdir).
-
function
getInfo()¶ Get ntopng status information.
- Return
- ntopng information.
-
function
getUptime()¶ Get seconds from ntopng startup.
- Return
- ntopng uptime in seconds.
-
function
getHttpPrefix()¶ Get the ntopng HTTP prefix.
The HTTP prefix is the initial part of the ntopng URL, which consists of HTTP host, port and optionally a user-defined prefix. Any URL within ntopng should include this prefix.
- Return
- the HTTP prefix.
-
function
getRandomCSRFValue()¶ Generate a random value to prevent CSRF and XSRF attacks.
- Return
- the token value.
- Note
- Any HTTP POST request must contain a “csrf” field with a token value generated by a call to this function.
-
function
isShuttingDown()¶ Check if ntopng is shuttind down.
- Return
- true if is shutting down, false otherwise.
-
function
getLocalNetworks()¶ Get the ntopng local networks list.
- Return
- table (network_address -> “”).
-
function
addLocalNetwork(string network_cidr)¶ Add a network to the ntopng local networks list.
- Parameters
network_cidr: the network to add in CIDR format.
-
function
setMacDeviceType(string mac, int device_type, bool overwrite)¶ Set L2 device type.
- Parameters
mac: device MAC addressdevice_type: the device type id to set.overwrite: if true, the existing device type, if any, will be overwritten.
-
function
reloadHostPools()¶ Reload Host Pool membership information after changes from Lua.
-
function
getNetworkNameById(int network_id)¶ Retrieves a ntopng local network by its id.
- Return
- the network address on success, an empty string otherwise.
- Parameters
network_id: the local network id.
-
function
getNetworkIdByName(string network_cidr)¶ Retrieves a ntopng local network id by its name.
- Return
- the network id on success, -1 otherwise.
- Parameters
network_cidr: the local network cidr.
-
function
getHostInformation()¶ Get information about the currest host.
- Return
- table (ip, instance_name).
-
function
systemHostStat()¶ Get ntopng host statistics.
- Return
- table (cpu_load, cpu_idle, mem_total, mem_free, mem_buffers, mem_cached, mem_shmem. mem_used).
-
function
syslog(string message, int syslog_severity)¶ Send a message to syslog.
- Parameters
message: the message to send.syslog_severity: an integer representing the standard syslog severity as per RFC 5424. LOG_INFO is used when severity is not specified.
-
function
setLoggingLevel(string level)¶ Set ntopng logging level.
- Parameters
level: one of “trace”, “debug”, “info”, “normal”, “warning”, “error”.
-
function
traceEvent(string msg)¶ Log a message.
- Note
- Message will be logged with “normal” level.
- Parameters
msg: the message to log.
-
function
verboseTrace()¶ Check if verbose trace is enabled.
- Return
- true if verborse trace is enabled, false otherwise.
-
function
gettimemsec()¶ Get the current time in milliseconds.
- Return
- the current milliseconds time.
-
function
getticks()¶ Get the current CPU ticks.
- Return
- the current CPU ticks.
-
function
gettickspersec()¶ Get the CPU ticks per second.
- Return
- the CPU ticks per second. @notes this can be used with ntop.getticks() deltas to calculate time spent.
-
function
isLoginDisabled()¶ Check if the ntopng GUI login is disable.
Check if login to the ntopng GUI is disabled.
- Return
- true if login is disabled, false otherwise.
- Return
- true if the login is disabled, false otherwise.
-
function
hasVLANs() Check if ntopng has seen any VLAN tagged traffic.
- Return
- true if VLAN traffic has been seen, false otherwise.
-
function
hasGeoIP()¶ Check if ntopng has Geo IP support available.
- Return
- true if Geo IP is available, false otherwise.
-
function
isWindows()¶ Check if the operating system is Windows.
- Return
- true if Windows, false otherwise.
-
function
msleep(int duration)¶ Sleep with milliseconds accuracy.
- Parameters
duration: in milliseconds.
-
function
getMacManufacturer(string mac)¶ Get the manufacturer name from mac address.
- Return
- table(short, extended) on success, nil otherwise.
- Parameters
mac: the MAC address.
-
function
md5(string s)¶ Compute the MD5 of the provided string.
- Return
- the computed string MD5.
- Parameters
s: the string to hash
-
function
exec_sql_query(string query)¶ Execute a MySQL query and get the result.
- Return
- the query result
- Note
- This only works when ntopng is configured with “-F=mysql”
- Parameters
query: the query to execute
-
function
resetStats() Resets multiple stats in ntopng, which include the hosts and mac traffic counters.
- Note
- This is the function called when “Midnight Stats Reset” is enabled from the GUI.
-
function
isPro()¶ Check if ntopng has the pro features.
- Return
- true if the pro features are available, false otherwise.
-
function
isEnterpriseM()¶ Check if ntopng has the Enterprise M features.
- Return
- true if the Enterprise M features are available, false otherwise.
-
function
isEnterpriseL()¶ Check if ntopng has the Enterprise L features.
- Return
- true if the Enterprise L features are available, false otherwise.
-
function
isPackage()¶ Check if ntopng is running as a systemd service.
- Return
- true if running as service, false otherwise.
-
function
getStartupEpoch()¶ Get the startup Unix epoch of ntopng.
- Return
- the startup epoch
-
function
serviceRestart()¶ Restart ntopng (when running as a service)
- Note
- This only works when ntop.isPackage() returns true
-
function
matchCustomCategory(string host)¶ Match the given host into an nDPI category.
- Return
- value the nDPI category ID on success, nil otherwise.
- Parameters
host: the host to match
-
function
getTLSVersionName(int tls_version)¶ Converts a TLS version ID to the corresponding TLS version name.
- Return
- the TLS version name
- Parameters
tls_version: the TLS version ID
-
function
bitmapIsSet(int bitmap, int bit)¶ Check if the given bit is set into the bitmap.
- Return
- true if the bit is set, false otherwise
- Parameters
bitmap: the numeric bitmapbit: the bit index to check
-
function
bitmapSet(int bitmap, int bit)¶ Set a bit into the bitmap.
- Return
- true if the bitmap has changed, false otherwise
- Parameters
bitmap: the numeric bitmapbit: the bit index to set
-
function
bitmapClear(int bitmap, int bit)¶ Clear a bit into the bitmap.
- Return
- true if the bitmap has changed, false otherwise
- Parameters
bitmap: the numeric bitmapbit: the bit index to clear
-
function
setnDPIProtoCategory(int proto, int category)¶ Associate the protocol to the specified nDPI category.
- Parameters
proto: the protocol idcategory: the category id
-
function
getnDPIProtoCategory(int proto)¶ Get the nDPI category currently associated to the protocol.
- Return
- a table (id->category_id, name->category_name) on success, nil otherwise.
- Note
- the protocol to category mapping can be changed dynamically via setnDPICategory
- Parameters
proto: the protocol id to query the category for
-
function
ptreeClear()¶ Initialize an empty patricia tree into this vm.
-
function
ptreeInsert(string addr, uint16_t value)¶ Insert an address into the vm patricia tree.
- Return
- true on success, false otherwise
- Parameters
addr: the address to insertvalue: a numeric value to associate to the node (except 65535)
-
function
ptreeMatch(string addr)¶ Match a given address with the vm patricia tree.
- Return
- the numeric value associated with the node on success, nil otherwise
- Parameters
addr: the address to match
-
function
isDeadlineApproaching()¶ Check if the current periodic script deadline is near.
- Return
- true if the deadline is approaching, false otherwise
- Note
- this can be used by a periodic script to detect if it should hurry up to finish its work
-
function
getDeadline()¶ Get the current periodic script deadline.
- Return
- the periodic script deadline on success, 0 otherwise
-
function
speedtest()¶ Check Internet speed using speedtest.net services.
- Return
- JSON that includes the speedtest report, or NULL in case of error