Difference between revisions of "Unit Protocol"
From Ultibo.org
| Line 28: | Line 28: | ||
<br /> | <br /> | ||
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;"> | <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;"> | ||
| − | <div style="font-size: 14px; padding-left: 12px;">'''Protocol timer''' <code> | + | <div style="font-size: 14px; padding-left: 12px;">'''Protocol timer key values''' <code> SOCKET_TIMER_KEY_* </code></div> |
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;"> | <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;"> | ||
{| class="wikitable" style="font-size: 14px; background: white;" | {| class="wikitable" style="font-size: 14px; background: white;" | ||
| Line 40: | Line 40: | ||
| <code>SOCKET_TIMER_KEY_MIN = TIMER_KEY_MIN;</code> | | <code>SOCKET_TIMER_KEY_MIN = TIMER_KEY_MIN;</code> | ||
| | | | ||
| + | |- | ||
| + | |} | ||
| + | </div></div> | ||
| + | <br /> | ||
| + | <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;"> | ||
| + | <div style="font-size: 14px; padding-left: 12px;">'''Protocol timer flag values''' <code> SOCKET_TIMER_FLAG_* </code></div> | ||
| + | <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;"> | ||
| + | {| class="wikitable" style="font-size: 14px; background: white;" | ||
| + | |- | ||
| + | | <code>SOCKET_TIMER_FLAG_NONE = $00000000;</code> | ||
| + | | | ||
| + | |- | ||
| + | | <code>SOCKET_TIMER_FLAG_ACTIVE = $00000001;</code> | ||
| + | | The socket timer item is active in a timer | ||
| + | |- | ||
| + | | <code>SOCKET_TIMER_FLAG_DYNAMIC = $00000002;</code> | ||
| + | | The socket timer item was allocated dynamically | ||
|- | |- | ||
|} | |} | ||
Revision as of 01:21, 21 April 2017
Return to Unit Reference
Contents
Description
Ultibo Network Protocol interface unit
To be documented
Constants
Protocol specific constants
PROTOCOL_* PROTOCOL_THREAD_NAME = 'Network Protocol';
|
Thread name for Network protocol threads |
PROTOCOL_THREAD_PRIORITY = THREAD_PRIORITY_HIGHER;
|
Thread priority for Network protocol threads |
Protocol timer key values
SOCKET_TIMER_KEY_* SOCKET_TIMER_KEY_NONE = TIMER_KEY_NONE;
|
|
SOCKET_TIMER_KEY_MAX = TIMER_KEY_MAX;
|
|
SOCKET_TIMER_KEY_MIN = TIMER_KEY_MIN;
|
Protocol timer flag values
SOCKET_TIMER_FLAG_* SOCKET_TIMER_FLAG_NONE = $00000000;
|
|
SOCKET_TIMER_FLAG_ACTIVE = $00000001;
|
The socket timer item is active in a timer |
SOCKET_TIMER_FLAG_DYNAMIC = $00000002;
|
The socket timer item was allocated dynamically |
ICMP header type
ICMP_* ICMP_ECHOREPLY = 0;
|
echo reply |
ICMP_UNREACH = 3;
|
dest unreachable |
ICMP_SOURCEQUENCH = 4;
|
packet lost, slow down |
ICMP_REDIRECT = 5;
|
shorter route |
ICMP_ECHO = 8;
|
echo service |
ICMP_ROUTERADVERT = 9;
|
router advertisement |
ICMP_ROUTERSOLICIT = 10;
|
router solicitation |
ICMP_TIMXCEED = 11;
|
time exceeded |
ICMP_PARAMPROB = 12;
|
ip header bad |
ICMP_TSTAMP = 13;
|
timestamp request |
ICMP_TSTAMPREPLY = 14;
|
timestamp reply |
ICMP_IREQ = 15;
|
information request |
ICMP_IREQREPLY = 16;
|
information reply |
ICMP_MASKREQ = 17;
|
address mask request |
ICMP_MASKREPLY = 18;
|
address mask reply |
ICMP header code
ICMP_UNREACH_* ICMP_UNREACH_NET = 0;
|
bad net |
ICMP_UNREACH_HOST = 1;
|
bad host |
ICMP_UNREACH_PROTOCOL = 2;
|
bad protocol |
ICMP_UNREACH_PORT = 3;
|
bad port |
ICMP_UNREACH_NEEDFRAG = 4;
|
IP_DF caused drop |
ICMP_UNREACH_SRCFAIL = 5;
|
src route failed |
ICMP_UNREACH_NET_UNKNOWN = 6;
|
unknown net |
ICMP_UNREACH_HOST_UNKNOWN = 7;
|
unknown host |
ICMP_UNREACH_ISOLATED = 8;
|
src host isolated |
ICMP_UNREACH_NET_PROHIB = 9;
|
prohibited access |
ICMP_UNREACH_HOST_PROHIB = 10;
|
ditto |
ICMP_UNREACH_TOSNET = 11;
|
bad tos for net |
ICMP_UNREACH_TOSHOST = 12;
|
bad tos for host |
ICMP_UNREACH_FILTER_PROHIB = 13;
|
admin prohib |
ICMP_UNREACH_HOST_PRECEDENCE = 14;
|
host prec vio. |
ICMP_UNREACH_PRECEDENCE_CUTOFF = 15;
|
prec cutoff |
ICMP_REDIRECT_NET = 0;
|
for network |
ICMP_REDIRECT_HOST = 1;
|
for host |
ICMP_REDIRECT_TOSNET = 2;
|
for tos and net |
ICMP_REDIRECT_TOSHOST = 3;
|
for tos and host |
ICMP_TIMXCEED_INTRANS = 0;
|
ttl=0 in transit |
ICMP_TIMXCEED_REASS = 1;
|
ttl=0 in reassembly |
ICMP_PARAMPROB_OPTABSENT = 1;
|
req. opt. absent |
IGMP header type
IGMP_* IGMP_VERSION = 2;
|
|
IGMP_QUERY = $0011;
|
|
IGMP_REPORTV1 = $0012;
|
|
IGMP_REPORTV2 = $0016;
|
|
IGMP_LEAVE = $0017;
|
Type definitions
Protocol statistics
PProtocolStatistics = ^TProtocolStatistics;
TProtocolStatistics = record
PacketsIn:Int64;
|
|
PacketsOut:Int64;
|
|
BytesIn:Int64;
|
|
BytesOut:Int64;
|
|
ErrorsIn:Int64;
|
|
ErrorsOut:Int64;
|
|
PacketsLost:Int64;
|
Socket timer item
PSocketTimerItem = ^TSocketTimerItem;
TSocketTimerItem = record
Key:Integer;
|
Ordering key for timer list |
Socket:TObject;
|
The socket referenced by this timer list item |
Prev:PSocketTimerItem;
|
Previous item in timer list |
Next:PSocketTimerItem;
|
Next item in timer list |
Protocol callback
TProtocolCallback = function(AProtocol:TNetworkProtocol):Boolean of object;
|
Filter callback
TFilterCallback = function(AFilter:TNetworkFilter):Boolean of object;
|
Configuration callback
TConfigCallback = function(AConfig:TNetworkConfig):Boolean of object;
|
Class definitions
Protocol manager
TProtocolManager = class(TObject)
constructor Create(ASettings:TNetworkSettings; ATransports:TTransportManager);
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
FSettings:TNetworkSettings;
|
|
FTransports:TTransportManager;
|
|
FProtocols:TNetworkList;
|
List of TNetworkProtocol objects |
FFilters:TNetworkList;
|
List of TNetworkFilter objects |
FConfigs:TNetworkList;
|
List of TNetworkConfig objects |
function ReaderLock:Boolean;
|
|
function ReaderUnlock:Boolean;
|
|
function WriterLock:Boolean;
|
|
function WriterUnlock:Boolean;
|
|
public
| |
property Settings:TNetworkSettings read FSettings;
|
|
property Transports:TTransportManager read FTransports;
|
|
function AddProtocol(AProtocol:TNetworkProtocol):Boolean;
|
|
function RemoveProtocol(AProtocol:TNetworkProtocol):Boolean;
|
|
function GetProtocolByType(AProtocol,ASocketType:Word; ALock:Boolean; AState:LongWord):TNetworkProtocol;
|
|
function GetProtocolByProtocol(AProtocol:TNetworkProtocol; ALock:Boolean; AState:LongWord):TNetworkProtocol;
|
|
function GetProtocolByNext(APrevious:TNetworkProtocol; ALock,AUnlock:Boolean; AState:LongWord):TNetworkProtocol;
|
|
function AddFilter(AFilter:TNetworkFilter):Boolean;
|
|
function RemoveFilter(AFilter:TNetworkFilter):Boolean;
|
|
function GetFilterByProtocol(AProtocol:Word; ALock:Boolean; AState:LongWord):TNetworkFilter;
|
|
function GetFilterByFilter(AFilter:TNetworkFilter; ALock:Boolean; AState:LongWord):TNetworkFilter;
|
|
function GetFilterByNext(APrevious:TNetworkFilter; ALock,AUnlock:Boolean; AState:LongWord):TNetworkFilter;
|
|
function AddConfig(AConfig:TNetworkConfig):Boolean;
|
|
function RemoveConfig(AConfig:TNetworkConfig):Boolean;
|
|
function GetConfigByType(AConfigType:Word; ALock:Boolean; AState:LongWord):TNetworkConfig;
|
|
function GetConfigByConfig(AConfig:TNetworkConfig; ALock:Boolean; AState:LongWord):TNetworkConfig;
|
|
function GetConfigByNext(APrevious:TNetworkConfig; ALock,AUnlock:Boolean; AState:LongWord):TNetworkConfig;
|
|
function SetConfigByType(AConfigType:Word; AInitDelay,ARetryCount,ARetryTimeout:LongWord):Boolean;
|
|
function StartProtocols:Boolean;
|
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function StopProtocols:Boolean;
|
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function ProcessProtocols:Boolean;
|
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function ProcessSockets:Boolean;
|
|
function EnumerateProtocols(ACallback:TProtocolCallback):Boolean;
|
|
function BindProtocols(ATransport:TNetworkTransport):Boolean;
|
|
function UnbindProtocols(ATransport:TNetworkTransport):Boolean;
|
|
function StartFilters:Boolean;
|
|
function StopFilters:Boolean;
|
|
function ProcessFilters:Boolean;
|
|
function EnumerateFilters(ACallback:TFilterCallback):Boolean;
|
|
function BindFilters(ATransport:TNetworkTransport):Boolean;
|
|
function UnbindFilters(ATransport:TNetworkTransport):Boolean;
|
|
function StartConfigs:Boolean;
|
|
function StopConfigs:Boolean;
|
|
function ProcessConfigs:Boolean;
|
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function EnumerateConfigs(ACallback:TConfigCallback):Boolean;
|
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function BindConfigs(ATransport:TNetworkTransport):Boolean;
|
|
function UnbindConfigs(ATransport:TNetworkTransport):Boolean;
|
|
function CheckSocket(ASocket:TSocket; ALock:Boolean; AState:LongWord):Boolean;
|
|
function Select(ANfds:Integer; AReadfds,AWritefds,AExceptfds:PFDSet; ATimeout:PTimeVal):LongInt;
|
|
function Socket(AFamily,AStruct,AProtocol:Integer):TSocket;
|
|
Protocol transport
TProtocolTransport = class(TListObject)
| Note: Downstream | |
constructor Create;
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
public
| |
Handle:THandle;
|
|
Protocol:Word;
|
|
Transport:TNetworkTransport;
|
|
function ReaderLock:Boolean;
|
|
function ReaderUnlock:Boolean;
|
|
function WriterLock:Boolean;
|
|
function WriterUnlock:Boolean;
|
|
Network protocol
TNetworkProtocol = class(TListObject)
constructor Create(AManager:TProtocolManager; const AName:String);
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
protected
| |
FManager:TProtocolManager;
|
|
FName:String;
|
|
FProtocol:Word;
|
|
FSocketType:Word;
|
|
FTransports:TNetworkList;
|
List of TProtocolTransport objects |
FTimer:TSocketTimer;
|
Timer for socket processing |
FThread:TSocketThread;
|
Thread for socket processing |
FPorts:TNetworkList;
|
List of TProtocolPort objects |
FSockets:TNetworkList;
|
List of TProtocolSocket objects |
FStatistics:TProtocolStatistics;
|
|
function GetTransportByHandle(AHandle:THandle; ALock:Boolean; AState:LongWord):TProtocolTransport;
|
|
function GetTransportByFamily(AFamily:Word; ALock:Boolean; AState:LongWord):TProtocolTransport;
|
|
function GetTransportByTransport(ATransport:TNetworkTransport; ALock:Boolean; AState:LongWord):TProtocolTransport;
|
|
function GetTransportByNext(APrevious:TProtocolTransport; ALock,AUnlock:Boolean; AState:LongWord):TProtocolTransport;
|
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function AddTransport(ATransport:TNetworkTransport):Boolean; virtual;
|
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function RemoveTransport(ATransport:TNetworkTransport):Boolean; virtual;
|
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function OpenPort(ASocket:TProtocolSocket; APort:Word):Boolean; virtual;
|
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function ClosePort(ASocket:TProtocolSocket):Boolean; virtual;
|
|
function FindPort(APort:Word; AWrite,ALock:Boolean):TProtocolPort; virtual;
|
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function GetSocketByNext(APrevious:TProtocolSocket; ALock,AUnlock:Boolean; AState:LongWord):TProtocolSocket;
|
|
function CheckSocket(ASocket:TProtocolSocket; ALock:Boolean; AState:LongWord):Boolean; virtual;
|
|
function FindSocket(AFamily,AStruct,AProtocol:Word; ALocalAddress,ARemoteAddress:Pointer; ALocalPort,ARemotePort:Word; ABroadcast,AListen,ALock:Boolean; AState:LongWord):TProtocolSocket; virtual;
|
|
procedure FlushSockets(All:Boolean); virtual;
|
|
function SelectStart(ASource,ADest:PFDSet):Boolean; virtual;
|
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function SelectCheck(ASource,ADest:PFDSet;ACode:Integer):Integer; virtual;
|
|
function SendPacket(ASocket:TProtocolSocket; ASource,ADest:Pointer; ASourcePort,ADestPort:Word; APacket:PPacketFragment; ASize,AFlags:Integer):Integer; virtual;
|
|
public
| |
property Manager:TProtocolManager read FManager;
|
|
property Name:String read FName;
|
|
property Protocol:Word read FProtocol;
|
|
property SocketType:Word read FSocketType;
|
|
function Accept(ASocket:TProtocolSocket; ASockAddr:PSockAddr; AAddrLength:PInteger):TProtocolSocket; virtual;
|
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function Bind(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; AAddrLength:Integer):Integer; virtual;
|
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function CloseSocket(ASocket:TProtocolSocket):Integer; virtual;
|
|
function Connect(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; AAddrLength:Integer):Integer; virtual;
|
|
function IoctlSocket(ASocket:TProtocolSocket; ACmd:DWORD; var AArg:u_long):Integer; virtual;
|
|
function GetPeerName(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; var AAddrLength:Integer):Integer; virtual;
|
|
function GetSockName(ASocket:TProtocolSocket; var ASockAddr:TSockAddr; var AAddrLength:Integer):Integer; virtual;
|
|
function GetSockOpt(ASocket:TProtocolSocket; ALevel,AOptName:Integer; AOptValue:PChar; var AOptLength:Integer):Integer; virtual;
|
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function Listen(ASocket:TProtocolSocket; ABacklog:Integer):Integer; virtual;
|
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function Recv(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer):Integer; virtual;
|
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function RecvFrom(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer; var AFromAddr:TSockAddr; var AFromLength:Integer):Integer; virtual;
|
|
function Select(ANfds:Integer; AReadfds,AWritefds,AExceptfds:PFDSet; ATimeout:PTimeVal):LongInt; virtual;
|
|
function Send(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer):Integer; virtual;
|
|
function SendTo(ASocket:TProtocolSocket; var ABuffer; ALength,AFlags:Integer; var AToAddr:TSockAddr; AToLength:Integer):Integer; virtual;
|
|
function SetSockOpt(ASocket:TProtocolSocket; ALevel,AOptName:Integer; AOptValue:PChar; AOptLength:Integer):Integer; virtual;
|
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function Shutdown(ASocket:TProtocolSocket; AHow:Integer):Integer; virtual;
|
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function Socket(AFamily,AStruct,AProtocol:Integer):TProtocolSocket; virtual;
|
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function ReaderLock:Boolean;
|
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function ReaderUnlock:Boolean;
|
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function WriterLock:Boolean;
|
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function WriterUnlock:Boolean;
|
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function GetStatistics:TProtocolStatistics; virtual;
|
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function StartProtocol:Boolean; virtual;
|
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function StopProtocol:Boolean; virtual;
|
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function ProcessProtocol:Boolean; virtual;
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function ProcessSockets:Boolean; virtual;
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function ProcessSocket(ASocket:TProtocolSocket):Boolean; virtual;
|
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function BindProtocol(ATransport:TNetworkTransport):Boolean; virtual;
|
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function UnbindProtocol(ATransport:TNetworkTransport):Boolean; virtual;
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function CheckTimer:Boolean; virtual;
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function ProcessTimer:Boolean; virtual;
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function SendSocket(ASocket:TProtocolSocket):Boolean; virtual;
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function ScheduleSocket(ASocket:TProtocolSocket; ATimeout:LongWord):Boolean; virtual;
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function UnscheduleSocket(ASocket:TProtocolSocket):Boolean; virtual;
|
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function ScheduleSocketItem(ASocket:TProtocolSocket; AItem:PSocketTimerItem; ATimeout:LongWord):Boolean; virtual;
|
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function UnscheduleSocketItem(ASocket:TProtocolSocket; AItem:PSocketTimerItem):Boolean; virtual;
|
|
Socket timer
TSocketTimer = class(TObject)
constructor Create(AProtocol:TNetworkProtocol);
|
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destructor Destroy; override;
|
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protected
| |
FProtocol:TNetworkProtocol;
|
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FLock:TMutexHandle;
|
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FInterval:LongWord;
|
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FCheckTimer:TTimerHandle;
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FProcessSemaphore:TSemaphoreHandle;
|
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FCount:LongWord;
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FMaxCount:LongWord;
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FFirst:PSocketTimerItem;
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FLast:PSocketTimerItem;
|
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function AcquireLock:Boolean;
|
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function ReleaseLock:Boolean;
|
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function Dequeue(AMax:Integer):TProtocolSocket;
|
|
function FirstKey:Integer;
|
|
function InsertKey(ASocket:TProtocolSocket; AItem:PSocketTimerItem; AKey:Integer):Boolean;
|
|
function DeleteKey(ASocket:TProtocolSocket; AItem:PSocketTimerItem):Boolean;
|
|
function DecrementKey:Integer;
|
|
public
| |
property Count:LongWord read FCount;
|
|
property MaxCount:LongWord read FMaxCount;
|
|
function StartTimer(AInterval:LongWord):Boolean; virtual;
|
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function StopTimer:Boolean; virtual;
|
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function CheckTimer:Boolean; virtual;
|
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function ProcessTimer:Boolean; virtual;
|
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function ScheduleSocket(ASocket:TProtocolSocket; ATimeout:LongWord):Boolean; virtual;
|
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function UnscheduleSocket(ASocket:TProtocolSocket):Boolean; virtual;
|
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function ScheduleSocketItem(ASocket:TProtocolSocket; AItem:PSocketTimerItem; ATimeout:LongWord):Boolean; virtual;
|
|
function UnscheduleSocketItem(ASocket:TProtocolSocket; AItem:PSocketTimerItem):Boolean; virtual;
|
|
Socket thread
TSocketThread = class(TThread)
constructor Create(AProtocol:TNetworkProtocol);
|
|
destructor Destroy; override;
|
|
protected
| |
FProtocol:TNetworkProtocol;
|
|
procedure Execute; override;
|
|
public
| |
function SendSocket(ASocket:TProtocolSocket):Boolean;
|
|
Protocol port
TProtocolPort = class(TListObject)
constructor Create;
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TMutexHandle;
|
|
public
| |
Port:Word;
|
|
Sockets:TList;
|
|
function AcquireLock:Boolean;
|
|
function ReleaseLock:Boolean;
|
|
Protocol socket
TProtocolSocket = class(TTransportSocket)
constructor Create(AProtocol:TNetworkProtocol; ATransport:TNetworkTransport);
|
|
destructor Destroy; override;
|
|
private
| |
FSocketChange:TEventHandle;
|
|
protected
| |
FProtocol:TNetworkProtocol;
|
|
FProtocolState:TProtocolState;
|
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FProtocolOptions:TProtocolOptions;
|
|
function CheckSocket(ASocket:TProtocolSocket; ALock:Boolean; AState:LongWord):Boolean;
|
|
public
| |
property ProtocolState:TProtocolState read FProtocolState;
|
|
property ProtocolOptions:TProtocolOptions read FProtocolOptions;
|
|
property Protocol:TNetworkProtocol read FProtocol;
|
|
function WaitChange:Boolean;
|
|
function WaitChangeEx(ATimeout:LongWord):Boolean;
|
|
function SignalChange:Boolean;
|
|
function SendSocket:Boolean; virtual;
|
|
function ScheduleSocket(ATimeout:LongWord):Boolean; virtual;
|
|
function UnscheduleSocket:Boolean; virtual;
|
|
function ScheduleSocketItem(AItem:PSocketTimerItem; ATimeout:LongWord):Boolean; virtual;
|
|
function UnscheduleSocketItem(AItem:PSocketTimerItem):Boolean; virtual;
|
|
Protocol state
TProtocolState = class(TObject)
constructor Create;
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TCriticalSectionHandle;
|
|
protected
| |
FLocalPort:Word;
|
|
FRemotePort:Word;
|
|
function AcquireLock:Boolean;
|
|
function ReleaseLock:Boolean;
|
|
procedure SetLocalPort(ALocalPort:Word);
|
|
procedure SetRemotePort(ARemotePort:Word);
|
|
public
| |
property LocalPort:Word read FLocalPort write SetLocalPort;
|
|
property RemotePort:Word read FRemotePort write SetRemotePort;
|
|
Protocol options
TProtocolOptions = class(TObject)
| Note: For Get/Set Options at the Protocol Level (eg IPPROTO_TCP, IPPROTO_UDP) | |
constructor Create;
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TCriticalSectionHandle;
|
|
protected
| |
function AcquireLock:Boolean;
|
|
function ReleaseLock:Boolean;
|
|
Filter transport
TFilterTransport = class(TListObject)
| Note: Downstream | |
constructor Create;
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
public
| |
Handle:THandle;
|
|
Protocol:Word;
|
|
Transport:TNetworkTransport;
|
|
function ReaderLock:Boolean;
|
|
function ReaderUnlock:Boolean;
|
|
function WriterLock:Boolean;
|
|
function WriterUnlock:Boolean;
|
|
Network filter
TNetworkFilter = class(TListObject)
| Note: eg IP Filter | |
constructor Create(AManager:TProtocolManager);
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
protected
| |
FManager:TProtocolManager;
|
|
FProtocol:Word;
|
|
FTransports:TNetworkList;
|
List of TFilterTransport objects |
function GetTransportByHandle(AHandle:THandle; ALock:Boolean; AState:LongWord):TFilterTransport;
|
|
function GetTransportByFamily(AFamily:Word; ALock:Boolean; AState:LongWord):TFilterTransport;
|
|
function GetTransportByTransport(ATransport:TNetworkTransport; ALock:Boolean; AState:LongWord):TFilterTransport;
|
|
function GetTransportByNext(APrevious:TFilterTransport; ALock,AUnlock:Boolean; AState:LongWord):TFilterTransport;
|
|
function AddTransport(ATransport:TNetworkTransport):Boolean; virtual;
|
|
function RemoveTransport(ATransport:TNetworkTransport):Boolean; virtual;
|
|
public
| |
property Manager:TProtocolManager read FManager;
|
|
property Protocol:Word read FProtocol;
|
|
function ReaderLock:Boolean;
|
|
function ReaderUnlock:Boolean;
|
|
function WriterLock:Boolean;
|
|
function WriterUnlock:Boolean;
|
|
function StartFilter:Boolean; virtual;
|
|
function StopFilter:Boolean; virtual;
|
|
function ProcessFilter:Boolean; virtual;
|
|
function BindFilter(ATransport:TNetworkTransport):Boolean; virtual;
|
|
function UnbindFilter(ATransport:TNetworkTransport):Boolean; virtual;
|
|
Configuration transport
TConfigTransport = class(TListObject)
| Note: Downstream | |
constructor Create;
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
public
| |
Handle:THandle;
|
|
ConfigType:Word;
|
|
Transport:TNetworkTransport;
|
|
function ReaderLock:Boolean;
|
|
function ReaderUnlock:Boolean;
|
|
function WriterLock:Boolean;
|
|
function WriterUnlock:Boolean;
|
|
Network configuration
TNetworkConfig = class(TListObject)
| Note: eg DHCP/BOOTP/RARP/STATIC/PSEUDO | |
constructor Create(AManager:TProtocolManager);
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
protected
| |
FManager:TProtocolManager;
|
|
FConfigType:Word;
|
|
FInitDelay:LongWord;
|
|
FRetryCount:LongWord;
|
|
FRetryTimeout:LongWord;
|
|
FTransports:TNetworkList;
|
List of TConfigTransport objects |
function GetTransportByHandle(AHandle:THandle; ALock:Boolean; AState:LongWord):TConfigTransport;
|
|
function GetTransportByFamily(AFamily:Word; ALock:Boolean; AState:LongWord):TConfigTransport;
|
|
function GetTransportByTransport(ATransport:TNetworkTransport; ALock:Boolean; AState:LongWord):TConfigTransport;
|
|
function GetTransportByNext(APrevious:TConfigTransport; ALock,AUnlock:Boolean; AState:LongWord):TConfigTransport;
|
|
function AddTransport(ATransport:TNetworkTransport):Boolean; virtual;
|
|
function RemoveTransport(ATransport:TNetworkTransport):Boolean; virtual;
|
|
public
| |
property Manager:TProtocolManager read FManager;
|
|
property ConfigType:Word read FConfigType;
|
|
property InitDelay:LongWord read FInitDelay;
|
|
property RetryCount:LongWord read FRetryCount;
|
|
property RetryTimeout:LongWord read FRetryTimeout;
|
|
function ReaderLock:Boolean;
|
|
function ReaderUnlock:Boolean;
|
|
function WriterLock:Boolean;
|
|
function WriterUnlock:Boolean;
|
|
function StartConfig:Boolean; virtual;
|
|
function StopConfig:Boolean; virtual;
|
|
function ProcessConfig:Boolean; virtual;
|
|
function BindConfig(ATransport:TNetworkTransport):Boolean; virtual;
|
|
function UnbindConfig(ATransport:TNetworkTransport):Boolean; virtual;
|
|
function SetConfig(AInitDelay,ARetryCount,ARetryTimeout:LongWord):Boolean; virtual;
|
|
Network client
TNetworkClient = class(TListObject)
| Note: eg DNS/WINS | |
constructor Create(AProtocol:TNetworkProtocol);
|
|
destructor Destroy; override;
|
|
private
| |
FLock:TSynchronizerHandle;
|
|
protected
| |
FProtocol:TNetworkProtocol;
|
|
public
| |
property Protocol:TNetworkProtocol read FProtocol;
|
|
function ReaderLock:Boolean;
|
|
function ReaderUnlock:Boolean;
|
|
function WriterLock:Boolean;
|
|
function WriterUnlock:Boolean;
|
|
function StartClient:Boolean; virtual;
|
|
function StopClient:Boolean; virtual;
|
|
Public variables
None defined
Function declarations
Initialization functions
procedure ProtocolInit;
Description: To be documented
| Note | None documented |
|---|
function ProtocolStart:LongWord;
Description: To be documented
| Note | None documented |
|---|
function ProtocolStop:LongWord;
Description: To be documented
| Note | None documented |
|---|
Protocol helper functions
procedure ProtocolCheckTimer(Data:Pointer);
Description: To be documented
| Note | None documented |
|---|
Return to Unit Reference
