Unit Network

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Description

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Ultibo Network interface unit

To be documented

Constants

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Network specific constants NETWORK_*

NETWORK_NAME_PREFIX = 'Network';

Name prefix for Network Devices

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Network device type constants NETWORK_TYPE_*

NETWORK_TYPE_NONE = 0;
NETWORK_TYPE_ETHERNET = 1;
NETWORK_TYPE_TOKENRING = 2;
NETWORK_TYPE_80211 = 3;	IEEE 802.11 Wireless (WiFi) network
NETWORK_TYPE_MAX = 3;

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Network device state constants NETWORK_STATE_*

NETWORK_STATE_CLOSED = 0;
NETWORK_STATE_CLOSING = 1;
NETWORK_STATE_OPENING = 2;
NETWORK_STATE_OPEN = 3;
NETWORK_STATE_MAX = 3;

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Network device status constants NETWORK_STATUS_*

NETWORK_STATUS_DOWN = 0;
NETWORK_STATUS_UP = 1;
NETWORK_STATUS_MAX = 1;

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Network device flag constants NETWORK_FLAG_*

NETWORK_FLAG_NONE = $00000000;
NETWORK_FLAG_RX_BUFFER = $00000001;	Device supports Receive Buffer (NetworkBufferReceive/NetworkBufferRelease)
NETWORK_FLAG_TX_BUFFER = $00000002;	Device supports Transmit Buffer (NetworkBufferAllocate/NetworkBufferTransmit)

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Network device control code constants NETWORK_CONTROL_*

NETWORK_CONTROL_CLEAR_STATS = 1;	Clear Statistics
NETWORK_CONTROL_SET_MAC = 2;	Set the MAC for this device
NETWORK_CONTROL_GET_MAC = 3;	Get the MAC for this device
NETWORK_CONTROL_SET_LOOPBACK = 4;	Set Loopback Mode
NETWORK_CONTROL_RESET = 5;	Reset the device
NETWORK_CONTROL_DISABLE = 6;	Disable the device
NETWORK_CONTROL_GET_BROADCAST = 8;	Get Broadcast address for this device
NETWORK_CONTROL_GET_MTU = 9;	Get MTU for this device
NETWORK_CONTROL_GET_HEADERLEN = 10;	Get Header length for this device

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Network lock state constants NETWORK_LOCK_*

NETWORK_LOCK_NONE = 0;
NETWORK_LOCK_READ = 1;
NETWORK_LOCK_WRITE = 2;

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Network buffer size constants NETWORK_BUFFER_*

NETWORK_BUFFER_SIZE = 1024;

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Network event constants NETWORK_EVENT_*

NETWORK_EVENT_NONE = $00000000;
NETWORK_EVENT_SYSTEM_START = $00000001;	The network sub system is starting
NETWORK_EVENT_SYSTEM_STOP = $00000002;	The network sub system has stopped
NETWORK_EVENT_ADAPTERS_START = $00000004;	All network adapters are being started
NETWORK_EVENT_ADAPTERS_STOP = $00000008;	All network adapters have been stopped
NETWORK_EVENT_TRANSPORTS_START = $00000010;	All network transports are being started
NETWORK_EVENT_TRANSPORTS_STOP = $00000020;	All network transports have been stopped
NETWORK_EVENT_PROTOCOLS_START = $00000040;	All network protocols are being started
NETWORK_EVENT_PROTOCOLS_STOP = $00000080;	All network protocols have been stopped

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Network event signature constants NETWORK_EVENT_SIGNATURE*

NETWORK_EVENT_SIGNATURE = $BE1D50C2;

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Network event state constants NETWORK_EVENT_STATE_*

NETWORK_EVENT_STATE_UNREGISTERED = 0;
NETWORK_EVENT_STATE_REGISTERED = 1;

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Network event flag constants NETWORK_EVENT_FLAG_*

NETWORK_EVENT_FLAG_NONE = $00000000;

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Adapter type constants ADAPTER_TYPE_*

ADAPTER_TYPE_UNKNOWN = 0;
ADAPTER_TYPE_WIRED = 1;
ADAPTER_TYPE_LOOPBACK = 2;
ADAPTER_TYPE_WIRELESS = 3;

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Adapter thread constants ADAPTER_THREAD_*

ADAPTER_THREAD_NAME = 'Network Adapter';	Thread name for Network adapter threads
ADAPTER_THREAD_PRIORITY = THREAD_PRIORITY_HIGHER;	Thread priority for Network adapter threads

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Adapter state constants ADAPTER_STATE_*

ADAPTER_STATE_DISABLED = 0;
ADAPTER_STATE_ENABLED = 1;

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Adapter status constants ADAPTER_STATUS_*

ADAPTER_STATUS_DOWN = 0;
ADAPTER_STATUS_UP = 1;

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Configuration type constants CONFIG_TYPE_*

CONFIG_TYPE_AUTO = 0;
CONFIG_TYPE_STATIC = 1;
CONFIG_TYPE_RARP = 2;
CONFIG_TYPE_BOOTP = 3;
CONFIG_TYPE_DHCP = 4;
CONFIG_TYPE_PSEUDO = 5;
CONFIG_TYPE_LOOPBACK = 6;
CONFIG_TYPE_UNKNOWN = Word(-1);

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Authentication type constants AUTH_TYPE_*

AUTH_TYPE_UNKNOWN = 0;
AUTH_TYPE_EAP = 1;
AUTH_TYPE_RSN = 2;

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Frame type constants FRAME_TYPE_*

FRAME_TYPE_UNKNOWN = 0;
FRAME_TYPE_ETHERNET_II = 1;	Blue Book
FRAME_TYPE_TOKEN_RING = 3;	IEEE 802.5
FRAME_TYPE_APPLETALK = 5;	LocalTalk
FRAME_TYPE_ETHERNET_8022 = 11;	IEEE 802.2 LLC
FRAME_TYPE_ETHERNET_SNAP = 98;	IEEE 802.2 LLC with SNAP Header
FRAME_TYPE_ETHERNET_8023 = 99;	802.3 RAW (Novell)
FRAME_START_ETHERNET_SNAP = $AAAA;
FRAME_START_ETHERNET_8023 = $FFFF;
ADAPTER_MODE_NONE = 1;
ADAPTER_MODE_LOCAL = 2;
ADAPTER_MODE_BROADCAST= 3;	This is the default
ADAPTER_MODE_LOCAL_MULTI = 4;	Mode 3 plus directed Multicast
ADAPTER_MODE_BROADCAST_MULTI = 5;	Mode 3 plus all Multicast
ADAPTER_MODE_PROMISCUOUS = 6;	Promiscuous mode

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Configuration command constants CONFIG_*

CONFIG_ADAPTER_DISCOVER = 0;	Discover an Address from the ConfigHandler
CONFIG_ADAPTER_REQUEST = 1;	Request an Address from the ConfigHandler (Either configured or obtained from Discover)
CONFIG_ADAPTER_RELEASE = 2;	Release the Address obtained from ConfigHandler
CONFIG_ADAPTER_RENEW = 3;	Renew the Address obtained from ConfigHandler
CONFIG_ADAPTER_REBIND = 4;	Rebind the Address obtained from ConfigHandler
CONFIG_ADAPTER_INFORM = 5;	Obtain information only from the ConfigHandler
CONFIG_ADAPTER_REBOOT = 6;	Request previous Address after a Reboot
CONFIG_RETRY_TIMEOUT = 300000;	5 min Config Retry Timeout
CONFIG_RENEW_TIMEOUT = 60000;	1 min Config Renew Timeout
CONFIG_REBIND_TIMEOUT = 60000;	1 min Config Rebind Timeout

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Authentication command constants AUTH_COMMAND_*

AUTH_COMMAND_ASSOCIATE = 0;
AUTH_COMMAND_DISASSOCIATE = 1;
AUTH_COMMAND_AUTHENTICATE = 2;
AUTH_COMMAND_UNAUTHENTICATE = 3;

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Multicast addressing constants MAX_MULTICAST_*

MAX_MULTICAST_ADDRESS = 8;	Maximum number of addresses per adapter
MAX_PHYSICAL_PACKET = 2048;	Large enough for all media types

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Hardware addressing constants HARDWARE_ADDRESS_*

HARDWARE_ADDRESS_SIZE = 6;

SizeOf(THardwareAddress)

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Media type constants MEDIA_TYPE_*

MEDIA_TYPE_UNKNOWN = $0000;
MEDIA_TYPE_ETHERNET = $0001;	ARP type of Ethernet Hardware (These values must not change, they are the actual values used by ARP packets)
MEDIA_TYPE_TOKENRING = $0006;	ARP type of Token-Ring Hardware (These values must not change, they are the actual values used by ARP packets)

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Packet type constants PACKET_TYPE_*

PACKET_MIN_TYPE = $0600;	If the value Ethernet header TypeLength field is greater than this the frame is Ethernet II
PACKET_TYPE_IP = $0800;
PACKET_TYPE_IP6 = $86DD;
PACKET_TYPE_ARP = $0806;
PACKET_TYPE_RARP = $8035;
PACKET_TYPE_8021Q = $8100;	802.1Q with extended Ethernet header
PACKET_TYPE_IPX = $8137;	IPX on EII
PACKET_TYPE_EAPOL = $888E;	EAP-over-LAN (EAPOL)
PACKET_TYPE_RSN = $88C7;	RSN pre-authentication
PACKET_TYPE_TDLS = $890D;	Tunneled direct-link setup
PACKET_TYPE_RAW = $FFFF;	IPX on 802.3
PACKET_TYPE_LLC = $0001;	IPX on 802.2

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Ethernet network constants *_ETHERNET_PACKET

MIN_ETHERNET_PACKET = 60;
MAX_ETHERNET_PACKET = 1514;

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Ethernet 802.3 network constants LLC_HEADER_*

FRAME_TYPE_ETHERNET_8022
LLC_HEADER_SIZE = 3;	SizeOf(TLLCHeader); Optionally can be 4 if Control is 2 octets

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Ethernet SNAP network constants SNAP_HEADER_*

FRAME_TYPE_ETHERNET_SNAP
SNAP_HEADER_SIZE = 5;	SizeOf(TSNAPHeader);

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Service set constants SERVICE_SET_*

SERVICE_SET_UNKNOWN = 0;
SERVICE_SET_BSS = 1;	Basic Service Set
SERVICE_SET_ESS = 2;	Extended Service Set
SERVICE_SET_IBSS = 3;	Independent Basic Service Set
SERVICE_SET_MBSS = 4;	Mesh Basic Service Set

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Network logging constants NETWORK_LOG_*

NETWORK_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;	Network debugging messages
NETWORK_LOG_LEVEL_INFO = LOG_LEVEL_INFO;	Network informational messages, such as a device being attached or detached
NETWORK_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;	Network error messages
NETWORK_LOG_LEVEL_NONE = LOG_LEVEL_NONE;	No Network messages

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Ethernet specific constants ETHERNET_*

ETHERNET_ADDRESS_SIZE = 6;	SizeOf(TEthernetAddress)
ETHERNET_HEADER_SIZE = 14;	SizeOf(TEthernetHeader);
ETHERNET_VLAN_SIZE = 4;	Length of Ethernet VLAN tag
ETHERNET_CRC_SIZE = 4;	Length of Ethernet CRC

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Ethernet specific size constants ETHERNET_*_SIZE*

ETHERNET_MTU = 1500;
ETHERNET_MAX_PACKET_SIZE = ETHERNET_HEADER_SIZE + ETHERNET_VLAN_SIZE + ETHERNET_MTU;
ETHERNET_TRANSMIT_BUFFER_SIZE = ETHERNET_MAX_PACKET_SIZE;

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Network specific constants

Generic Network
HARDWARE_DEFAULT:THardwareAddress = ($00,$00,$00,$00,$00,$00);
HARDWARE_LOOPBACK:THardwareAddress = ($00,$00,$00,$00,$00,$01);
HARDWARE_BROADCAST:THardwareAddress = ($FF,$FF,$FF,$FF,$FF,$FF);

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Ethernet specific constants

ETHERNET_DEFAULT:THardwareAddress = ($00,$00,$00,$00,$00,$00);
ETHERNET_LOOPBACK:THardwareAddress = ($00,$00,$00,$00,$00,$01);
ETHERNET_BROADCAST:THardwareAddress = ($FF,$FF,$FF,$FF,$FF,$FF);
ETHERNET_MULTICAST:THardwareAddress = ($01,$00,$5E,$00,$00,$00);

Type definitions

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To be documented

Class definitions

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To be documented

Public variables

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Network logging

NETWORK_DEFAULT_LOG_LEVEL:LongWord = NETWORK_LOG_LEVEL_DEBUG;

Minimum level for Network messages. Only messages with level greater than or equal to this will be printed.

NETWORK_LOG_ENABLED:Boolean;

Function declarations

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Initialization functions

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procedure NetworkInit;

Description: To be documented

Note	To be documented

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function NetworkStart:LongWord;

Description: To be documented

Note	None documented

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function NetworkStop:LongWord;

Description: To be documented

Note	None documented

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function NetworkStartCompleted:Boolean;

Description: To be documented

Return	Returns True if the network sub system has been started

Network functions

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function NetworkDeviceOpen(Network:PNetworkDevice):LongWord;

Description: To be documented

Note	None documented

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function NetworkDeviceClose(Network:PNetworkDevice):LongWord;

Description: To be documented

Note	None documented

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function NetworkDeviceRead(Network:PNetworkDevice; Buffer:Pointer; Size:LongWord; var Length:LongWord):LongWord;

Description: To be documented

Note	None documented

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function NetworkDeviceWrite(Network:PNetworkDevice; Buffer:Pointer; Size:LongWord; var Length:LongWord):LongWord;

Description: To be documented

Note	None documented

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function NetworkDeviceControl(Network:PNetworkDevice; Request:Integer; Argument1:PtrUInt; var Argument2:PtrUInt):LongWord;

Description: To be documented

Note	None documented

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function NetworkBufferAllocate(Network:PNetworkDevice; var Entry:PNetworkEntry):LongWord;

Description: Allocate a transmit buffer from the specified network device, the returned entry will include a buffer for writing data to as well as an offfset value to allow the driver data to be written to the start of the buffer. When the data has been copied to the buffer, pass the entry to NetworkBufferTransmit.

Return	ERROR_SUCCESS if completed or another error code on failure

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function NetworkBufferRelease(Network:PNetworkDevice; Entry:PNetworkEntry):LongWord;

Description: Release a receive buffer to the specified network device, the entry must have been returned from NetworkBufferReceive

Return	ERROR_SUCCESS if completed or another error code on failure

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function NetworkBufferReceive(Network:PNetworkDevice; var Entry:PNetworkEntry):LongWord;

Description: Receive a completed receive buffer from the specified network device. The returned entry will contain a one or more packets of data to read from. When the data has been processed pass the returned buffer to NetworkBufferRelease.

Return	ERROR_SUCCESS if completed or another error code on failure

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function NetworkBufferTransmit(Network:PNetworkDevice; Entry:PNetworkEntry):LongWord;

Description: Transmit a completed transmit buffer to the specified network device. The entry must have been allocated using NetworkBufferAllocate.

Return	ERROR_SUCCESS if completed or another error code on failure

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function NetworkDeviceSetState(Network:PNetworkDevice; State:LongWord):LongWord;

Description: Set the state of the specified network and send a notification

Network	The network to set the state for
State	The new state to set and notify
Return	ERROR_SUCCESS if completed or another error code on failure

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function NetworkDeviceSetStatus(Network:PNetworkDevice; Status:LongWord):LongWord;

Description: Set the status of the specified network and send a notification

Network	The network to set the status for
Status	The new status to set and notify
Return	ERROR_SUCCESS if completed or another error code on failure

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function NetworkDeviceCreate:PNetworkDevice;

Description: Create a new Network entry

Return	Pointer to new Network entry or nil if network could not be created

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function NetworkDeviceCreateEx(Size:LongWord):PNetworkDevice;

Description: Create a new Network entry

Size	Size in bytes to allocate for new network (Including the network entry)
Return	Pointer to new Network entry or nil if network could not be created

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function NetworkDeviceDestroy(Network:PNetworkDevice):LongWord;

Description: Destroy an existing Network entry

Note	None documented

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function NetworkDeviceRegister(Network:PNetworkDevice):LongWord;

Description: Register a new Network in the Network table

Note	None documented

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function NetworkDeviceDeregister(Network:PNetworkDevice):LongWord;

Description: Deregister a Network from the Network table

Note	None documented

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function NetworkDeviceFind(NetworkId:LongWord):PNetworkDevice;

Description: To be documented

Note	None documented

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function NetworkDeviceFindByName(const Name:String):PNetworkDevice; inline;

Description: To be documented

Note	None documented

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function NetworkDeviceFindByDescription(const Description:String):PNetworkDevice; inline;

Description: To be documented

Note	None documented

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function NetworkDeviceEnumerate(Callback:TNetworkEnumerate; Data:Pointer):LongWord;

Description: To be documented

Note	None documented

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function NetworkDeviceNotification(Network:PNetworkDevice; Callback:TNetworkNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;

Description: To be documented

Note	None documented

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function NetworkEventAllocate(Callback:TNetworkEventCallback; Data:Pointer; Event:LongWord):PNetworkEvent;

Description: Create and Register a new Event entry in the Event table

Note	None documented

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function NetworkEventRelease(Event:PNetworkEvent):LongWord;

Description: Deregister and Destroy a Event from the Event table

Note	None documented

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function NetworkEventRegister(Callback:TNetworkEventCallback; Data:Pointer; Event:LongWord):THandle;

Description: Register a callback for one or more network events

Note	None documented

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function NetworkEventDeregister(Handle:THandle):LongWord;

Description: Deregister a network event callback

Note	None documented

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function NetworkEventNotify(Event:LongWord):LongWord;

Description: To be documented

Note	None documented

RTL network functions

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function SysHostGetName:String;

Description: To be documented

Note	None documented

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function SysHostSetName(const AName:String):Boolean;

Description: To be documented

Note	None documented

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function SysHostGetDomain:String;

Description: To be documented

Note	None documented

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function SysHostSetDomain(const ADomain:String):Boolean;

Description: To be documented

Note	None documented

Network helper functions

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function NetworkGetCount:LongWord; inline;

Description: Get the current network count

Note	None documented

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function NetworkDeviceCheck(Network:PNetworkDevice):PNetworkDevice;

Description: Check if the supplied Network is in the network table

Note	None documented

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function NetworkDeviceTypeToString(NetworkType:LongWord):String;

Description: To be documented

Note	None documented

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function NetworkDeviceStateToString(NetworkState:LongWord):String;

Description: To be documented

Note	None documented

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function NetworkDeviceStatusToString(NetworkStatus:LongWord):String;

Description: To be documented

Note	None documented

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function NetworkDeviceStateToNotification(State:LongWord):LongWord;

Description: Convert a Network state value into the notification code for device notifications

Note	None documented

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function NetworkDeviceStatusToNotification(Status:LongWord):LongWord;

Description: Convert a Network status value into the notification code for device notifications

Note	None documented

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function NetworkEventCheck(Event:PNetworkEvent):PNetworkEvent;

Description: Check if the supplied Event is in the event table

Note	None documented

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procedure NetworkLog(Level:LongWord; Network:PNetworkDevice; const AText:String);

Description: To be documented

Note	None documented

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procedure NetworkLogInfo(Network:PNetworkDevice; const AText:String);

Description: To be documented

Note	None documented

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procedure NetworkLogError(Network:PNetworkDevice; const AText:String);

Description: To be documented

Note	None documented

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procedure NetworkLogDebug(Network:PNetworkDevice; const AText:String);

Description: To be documented

Note	None documented

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function HardwareAddressToString(const AAddress:THardwareAddress):String;

Description: To be documented

Note	None documented

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function StringToHardwareAddress(const AAddress:String):THardwareAddress;

Description: To be documented

Note	None documented

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function CompareHardwareAddress(const AAddress1,AAddress2:THardwareAddress):Boolean;

Description: To be documented

Note	None documented

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function CompareHardwareDefault(const AAddress:THardwareAddress):Boolean;

Description: To be documented

Note	None documented

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function CompareHardwareBroadcast(const AAddress:THardwareAddress):Boolean;

Description: To be documented

Note	None documented

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function CompareHardwareMulticast(const AAddress:THardwareAddress):Boolean;

Description: To be documented

Note	None documented

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function AdapterTypeToString(AType:Word):String;

Description: To be documented

Note	None documented

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function AdapterModeToString(AMode:Word):String;

Description: To be documented

Note	None documented

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function AdapterConfigToString(AConfig:Word):String;

Description: To be documented

Note	None documented

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function AdapterStateToString(AState:Integer):String;

Description: To be documented

Note	None documented

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function AdapterStatusToString(AStatus:Integer):String;

Description: To be documented

Note	None documented

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function FrameTypeToString(AType:Word):String;

Description: To be documented

Note	None documented

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function MediaTypeToString(AType:Word):String;

Description: To be documented

Note	None documented

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function PacketTypetoString(AType:Word):String;

Description: To be documented

Note	None documented

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function ConfigTypeToString(AType:Word):String;

Description: To be documented

Note	None documented

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function ConfigCommandToString(ACommand:Word):String;

Description: To be documented

Note	None documented

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function AuthTypeToString(AType:Word):String;

Description: To be documented

Note	None documented

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function AuthCommandToString(ACommand:Word):String;

Description: To be documented

Note	None documented

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