rodbus.IAuthorizationHandler Interface Reference

User implemented interface defines which request and roles are allowed for different functions when implementing Modbus security. More...

Public Member Functions
Authorization	ReadCoils (byte unitId, AddressRange range, string role)
	Authorize a Read Coils request More...
Authorization	ReadDiscreteInputs (byte unitId, AddressRange range, string role)
	Authorize a Read Discrete Inputs request More...
Authorization	ReadHoldingRegisters (byte unitId, AddressRange range, string role)
	Authorize a Read Holding Registers request More...
Authorization	ReadInputRegisters (byte unitId, AddressRange range, string role)
	Authorize a Read Input Registers request More...
Authorization	WriteSingleCoil (byte unitId, ushort index, string role)
	Authorize a Write Single Coil request More...
Authorization	WriteSingleRegister (byte unitId, ushort index, string role)
	Authorize a Write Single Register request More...
Authorization	WriteMultipleCoils (byte unitId, AddressRange range, string role)
	Authorize a Write Multiple Coils request More...
Authorization	WriteMultipleRegisters (byte unitId, AddressRange range, string role)
	Authorize a Write Multiple Registers request More...

Detailed Description

User implemented interface defines which request and roles are allowed for different functions when implementing Modbus security.

Member Function Documentation

ReadCoils()

Authorization rodbus.IAuthorizationHandler.ReadCoils	(	byte	unitId,
		AddressRange	range,
		string	role
	)

Authorize a Read Coils request

Parameters

unitId	Target unit ID
range	Range to read
role	Authenticated Modbus role

Returns

Authorization result

ReadDiscreteInputs()

Authorization rodbus.IAuthorizationHandler.ReadDiscreteInputs	(	byte	unitId,
		AddressRange	range,
		string	role
	)

Authorize a Read Discrete Inputs request

Parameters

unitId	Target unit ID
range	Range to read
role	Authenticated Modbus role

Returns

Authorization result

ReadHoldingRegisters()

Authorization rodbus.IAuthorizationHandler.ReadHoldingRegisters	(	byte	unitId,
		AddressRange	range,
		string	role
	)

Authorize a Read Holding Registers request

Parameters

unitId	Target unit ID
range	Range to read
role	Authenticated Modbus role

Returns

Authorization result

ReadInputRegisters()

Authorization rodbus.IAuthorizationHandler.ReadInputRegisters	(	byte	unitId,
		AddressRange	range,
		string	role
	)

Authorize a Read Input Registers request

Parameters

unitId	Target unit ID
range	Range to read
role	Authenticated Modbus role

Returns

Authorization result

WriteMultipleCoils()

Authorization rodbus.IAuthorizationHandler.WriteMultipleCoils	(	byte	unitId,
		AddressRange	range,
		string	role
	)

Authorize a Write Multiple Coils request

Parameters

unitId	Target unit ID
range	Range to read
role	Authenticated Modbus role

Returns

Authorization result

WriteMultipleRegisters()

Authorization rodbus.IAuthorizationHandler.WriteMultipleRegisters	(	byte	unitId,
		AddressRange	range,
		string	role
	)

Authorize a Write Multiple Registers request

Parameters

unitId	Target unit ID
range	Range to read
role	Authenticated Modbus role

Returns

Authorization result

WriteSingleCoil()

Authorization rodbus.IAuthorizationHandler.WriteSingleCoil	(	byte	unitId,
		ushort	index,
		string	role
	)

Authorize a Write Single Coil request

Parameters

unitId	Target unit ID
index	Target index
role	Authenticated Modbus role

Returns

Authorization result

WriteSingleRegister()

Authorization rodbus.IAuthorizationHandler.WriteSingleRegister	(	byte	unitId,
		ushort	index,
		string	role
	)

Authorize a Write Single Register request

Parameters

unitId	Target unit ID
index	Target index
role	Authenticated Modbus role

Returns

Authorization result

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The documentation for this interface was generated from the following file:

• IAuthorizationHandler.cs