SmartAudio/package/luci/luci-base/luasrc/sys.luadoc

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---[[
LuCI Linux and POSIX system utilities.
]]
module "luci.sys"
---[[
Execute a given shell command and return the error code
@class function
@name call
@param ... Command to call
@return Error code of the command
]]
---[[
Execute a given shell command and capture its standard output
@class function
@name exec
@param command Command to call
@return String containg the return the output of the command
]]
---[[
Retrieve information about currently mounted file systems.
@class function
@name mounts
@return Table containing mount information
]]
---[[
Retrieve environment variables. If no variable is given then a table
containing the whole environment is returned otherwise this function returns
the corresponding string value for the given name or nil if no such variable
exists.
@class function
@name getenv
@param var Name of the environment variable to retrieve (optional)
@return String containg the value of the specified variable
@return Table containing all variables if no variable name is given
]]
---[[
Get or set the current hostname.
@class function
@name hostname
@param String containing a new hostname to set (optional)
@return String containing the system hostname
]]
---[[
Returns the contents of a documented referred by an URL.
@class function
@name httpget
@param url The URL to retrieve
@param stream Return a stream instead of a buffer
@param target Directly write to target file name
@return String containing the contents of given the URL
]]
---[[
Initiate a system reboot.
@class function
@name reboot
@return Return value of os.execute()
]]
---[[
Retrieves the output of the "logread" command.
@class function
@name syslog
@return String containing the current log buffer
]]
---[[
Retrieves the output of the "dmesg" command.
@class function
@name dmesg
@return String containing the current log buffer
]]
---[[
Generates a random id with specified length.
@class function
@name uniqueid
@param bytes Number of bytes for the unique id
@return String containing hex encoded id
]]
---[[
Returns the current system uptime stats.
@class function
@name uptime
@return String containing total uptime in seconds
]]
---[[
LuCI system utilities / network related functions.
@class module
@name luci.sys.net
]]
---[[
Returns the current arp-table entries as two-dimensional table.
@class function
@name net.arptable
@return Table of table containing the current arp entries.
-- The following fields are defined for arp entry objects:
-- { "IP address", "HW address", "HW type", "Flags", "Mask", "Device" }
]]
---[[
Returns a two-dimensional table of mac address hints.
@class function
@name net.mac_hints
@return Table of table containing known hosts from various sources.
Each entry contains the values in the following order:
[ "mac", "name" ]
]]
---[[
Returns a two-dimensional table of IPv4 address hints.
@class function
@name net.ipv4_hints
@return Table of table containing known hosts from various sources.
Each entry contains the values in the following order:
[ "ip", "name" ]
]]
---[[
Returns a two-dimensional table of IPv6 address hints.
@class function
@name net.ipv6_hints
@return Table of table containing known hosts from various sources.
Each entry contains the values in the following order:
[ "ip", "name" ]
]]
---[[
Returns a two-dimensional table of host hints.
@class function
@name net.host_hints
@return Table of table containing known hosts from various sources,
indexed by mac address. Each subtable contains at least one
of the fields "name", "ipv4" or "ipv6".
]]
---[[
Returns conntrack information
@class function
@name net.conntrack
@return Table with the currently tracked IP connections
]]
---[[
Determine the names of available network interfaces.
@class function
@name net.devices
@return Table containing all current interface names
]]
---[[
Return information about available network interfaces.
@class function
@name net.deviceinfo
@return Table containing all current interface names and their information
]]
---[[
Returns the current kernel routing table entries.
@class function
@name net.routes
@return Table of tables with properties of the corresponding routes.
-- The following fields are defined for route entry tables:
-- { "dest", "gateway", "metric", "refcount", "usecount", "irtt",
-- "flags", "device" }
]]
---[[
Returns the current ipv6 kernel routing table entries.
@class function
@name net.routes6
@return Table of tables with properties of the corresponding routes.
-- The following fields are defined for route entry tables:
-- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
-- "flags", "device" }
]]
---[[
Tests whether the given host responds to ping probes.
@class function
@name net.pingtest
@param host String containing a hostname or IPv4 address
@return Number containing 0 on success and >= 1 on error
]]
---[[
LuCI system utilities / process related functions.
@class module
@name luci.sys.process
]]
---[[
Get the current process id.
@class function
@name process.info
@return Number containing the current pid
]]
---[[
Retrieve information about currently running processes.
@class function
@name process.list
@return Table containing process information
]]
---[[
Set the gid of a process identified by given pid.
@class function
@name process.setgroup
@param gid Number containing the Unix group id
@return Boolean indicating successful operation
@return String containing the error message if failed
@return Number containing the error code if failed
]]
---[[
Set the uid of a process identified by given pid.
@class function
@name process.setuser
@param uid Number containing the Unix user id
@return Boolean indicating successful operation
@return String containing the error message if failed
@return Number containing the error code if failed
]]
---[[
Send a signal to a process identified by given pid.
@class function
@name process.signal
@param pid Number containing the process id
@param sig Signal to send (default: 15 [SIGTERM])
@return Boolean indicating successful operation
@return Number containing the error code if failed
]]
---[[
LuCI system utilities / user related functions.
@class module
@name luci.sys.user
]]
---[[
Retrieve user informations for given uid.
@class function
@name getuser
@param uid Number containing the Unix user id
@return Table containing the following fields:
-- { "uid", "gid", "name", "passwd", "dir", "shell", "gecos" }
]]
---[[
Retrieve the current user password hash.
@class function
@name user.getpasswd
@param username String containing the username to retrieve the password for
@return String containing the hash or nil if no password is set.
@return Password database entry
]]
---[[
Test whether given string matches the password of a given system user.
@class function
@name user.checkpasswd
@param username String containing the Unix user name
@param pass String containing the password to compare
@return Boolean indicating wheather the passwords are equal
]]
---[[
Change the password of given user.
@class function
@name user.setpasswd
@param username String containing the Unix user name
@param password String containing the password to compare
@return Number containing 0 on success and >= 1 on error
]]
---[[
LuCI system utilities / wifi related functions.
@class module
@name luci.sys.wifi
]]
---[[
Get wireless information for given interface.
@class function
@name wifi.getiwinfo
@param ifname String containing the interface name
@return A wrapped iwinfo object instance
]]
---[[
LuCI system utilities / init related functions.
@class module
@name luci.sys.init
]]
---[[
Get the names of all installed init scripts
@class function
@name init.names
@return Table containing the names of all inistalled init scripts
]]
---[[
Get the index of he given init script
@class function
@name init.index
@param name Name of the init script
@return Numeric index value
]]
---[[
Test whether the given init script is enabled
@class function
@name init.enabled
@param name Name of the init script
@return Boolean indicating whether init is enabled
]]
---[[
Enable the given init script
@class function
@name init.enable
@param name Name of the init script
@return Boolean indicating success
]]
---[[
Disable the given init script
@class function
@name init.disable
@param name Name of the init script
@return Boolean indicating success
]]
---[[
Start the given init script
@class function
@name init.start
@param name Name of the init script
@return Boolean indicating success
]]
---[[
Stop the given init script
@class function
@name init.stop
@param name Name of the init script
@return Boolean indicating success
]]