Unit blcksock

Descrição
Uses
Classes, Interfaces, Objetos e Registros
Funções e Procedimentos
Tipos
Constantes
Variáveis

Descrição

 

Uses

Visão Geral

Classes, Interfaces, Objetos e Registros

Nome Descrição
Classe ESynapseError Exception clas used by Synapse
Classe TSynaOption this object is used for remember delayed socket option set.
Classe TBlockSocket Basic IP object.
Classe TSocksBlockSocket Support for SOCKS4 and SOCKS5 proxy
Classe TTCPBlockSocket Implementation of TCP socket.
Classe TDgramBlockSocket Datagram based communication
Classe TUDPBlockSocket Implementation of UDP socket.
Classe TICMPBlockSocket Implementation of RAW ICMP socket.
Classe TRAWBlockSocket Implementation of RAW socket.
Classe TPGMMessageBlockSocket Implementation of PGM-message socket.
Classe TPGMStreamBlockSocket Implementation of PGM-stream socket.
Classe TCustomSSL Parent class for all SSL plugins.
Classe TSSLNone Default SSL plugin with no SSL support.
Registro TIPHeader Record with definition of IP packet header.
Classe TSynaClient Parent class of application protocol implementations.

Tipos

THookSocketReason = (...);
THookSocketStatus = procedure(Sender: TObject; Reason: THookSocketReason; const Value: String) of object;
THookDataFilter = procedure(Sender: TObject; var Value: AnsiString) of object;
THookCreateSocket = procedure(Sender: TObject) of object;
THookMonitor = procedure(Sender: TObject; Writing: Boolean; const Buffer: TMemory; Len: Integer) of object;
THookAfterConnect = procedure(Sender: TObject) of object;
THookVerifyCert = function(Sender: TObject):boolean of object;
THookHeartbeat = procedure(Sender: TObject) of object;
TSocketFamily = (...);
TSocksType = (...);
TSSLType = (...);
TSynaOptionType = (...);
TSSLClass = class of TCustomSSL;
TOptionList = TList;
TSocketList = TList;

Constantes

SynapseRelease = '40';
cLocalhost = '127.0.0.1';
cAnyHost = '0.0.0.0';
cBroadcast = '255.255.255.255';
c6Localhost = '::1';
c6AnyHost = '::0';
c6Broadcast = 'ffff::1';
cAnyPort = '0';
CR = #$0d;
LF = #$0a;
CRLF = CR + LF;
c64k = 65536;

Variáveis

SSLImplementation: TSSLClass = TSSLNone;

Descrição

Tipos

THookSocketReason = (...);

Types of OnStatus events

Valores
  • HR_ResolvingBegin: Resolving is begin. Resolved IP and port is in parameter in format like: 'localhost.somewhere.com:25'.
  • HR_ResolvingEnd: Resolving is done. Resolved IP and port is in parameter in format like: 'localhost.somewhere.com:25'. It is always same as in HR_ResolvingBegin!
  • HR_SocketCreate: Socket created by CreateSocket method. It reporting Family of created socket too!
  • HR_SocketClose: Socket closed by CloseSocket method.
  • HR_Bind: Socket binded to IP and Port. Binded IP and Port is in parameter in format like: 'localhost.somewhere.com:25'.
  • HR_Connect: Socket connected to IP and Port. Connected IP and Port is in parameter in format like: 'localhost.somewhere.com:25'.
  • HR_CanRead: Called when CanRead method is used with True result.
  • HR_CanWrite: Called when CanWrite method is used with True result.
  • HR_Listen: Socket is swithed to Listen mode. (TCP socket only)
  • HR_Accept: Socket Accepting client connection. (TCP socket only)
  • HR_ReadCount: report count of bytes readed from socket. Number is in parameter string. If you need is in integer, you must use StrToInt function!
  • HR_WriteCount: report count of bytes writed to socket. Number is in parameter string. If you need is in integer, you must use StrToInt function!
  • HR_Wait: If is limiting of bandwidth on, then this reason is called when sending or receiving is stopped for satisfy bandwidth limit. Parameter is count of waiting milliseconds.
  • HR_Error: report situation where communication error occured. When raiseexcept is True, then exception is called after this Hook reason.
THookSocketStatus = procedure(Sender: TObject; Reason: THookSocketReason; const Value: String) of object;

Procedural type for OnStatus event. Sender is calling TBlockSocket object, Reason is one of set Status events and value is optional data.

THookDataFilter = procedure(Sender: TObject; var Value: AnsiString) of object;

This procedural type is used for DataFilter hooks.

THookCreateSocket = procedure(Sender: TObject) of object;

This procedural type is used for hook OnCreateSocket. By this hook you can insert your code after initialisation of socket. (you can set special socket options, etc.)

THookMonitor = procedure(Sender: TObject; Writing: Boolean; const Buffer: TMemory; Len: Integer) of object;

This procedural type is used for monitoring of communication.

THookAfterConnect = procedure(Sender: TObject) of object;

This procedural type is used for hook OnAfterConnect. By this hook you can insert your code after TCP socket has been sucessfully connected.

THookVerifyCert = function(Sender: TObject):boolean of object;

This procedural type is used for hook OnVerifyCert. By this hook you can insert your additional certificate verification code. Usefull to verify server CN against URL.

THookHeartbeat = procedure(Sender: TObject) of object;

This procedural type is used for hook OnHeartbeat. By this hook you can call your code repeately during long socket operations. You must enable heartbeats by HeartbeatRate property!

TSocketFamily = (...);

Specify family of socket.

Valores
  • SF_Any: Default mode. Socket family is defined by target address for connection. It allows instant access to IPv4 and IPv6 nodes. When you need IPv6 address as destination, then is used IPv6 mode. othervise is used IPv4 mode. However this mode not working properly with preliminary IPv6 supports!
  • SF_IP4: Turn this class to pure IPv4 mode. This mode is totally compatible with previous Synapse releases.
  • SF_IP6: Turn to only IPv6 mode.
TSocksType = (...);

specify possible values of SOCKS modes.

Valores
  • ST_Socks5
  • ST_Socks4
TSSLType = (...);

Specify requested SSL/TLS version for secure connection.

Valores
  • LT_all
  • LT_SSLv2
  • LT_SSLv3
  • LT_TLSv1
  • LT_TLSv1_1
  • LT_TLSv1_2
  • LT_TLSv1_3
  • LT_SSHv2
TSynaOptionType = (...);

Specify type of socket delayed option.

Valores
  • SOT_Linger
  • SOT_RecvBuff
  • SOT_SendBuff
  • SOT_NonBlock
  • SOT_RecvTimeout
  • SOT_SendTimeout
  • SOT_Reuse
  • SOT_TTL
  • SOT_Broadcast
  • SOT_MulticastTTL
  • SOT_MulticastLoop
TSSLClass = class of TCustomSSL;
 
TOptionList = TList;
 
TSocketList = TList;
 

Constantes

SynapseRelease = '40';
 
cLocalhost = '127.0.0.1';
 
cAnyHost = '0.0.0.0';
 
cBroadcast = '255.255.255.255';
 
c6Localhost = '::1';
 
c6AnyHost = '::0';
 
c6Broadcast = 'ffff::1';
 
cAnyPort = '0';
 
CR = #$0d;
 
LF = #$0a;
 
CRLF = CR + LF;
 
c64k = 65536;
 

Variáveis

SSLImplementation: TSSLClass = TSSLNone;

Selected SSL plugin. Default is TSSLNone.

Do not change this value directly!!!

Just add your plugin unit to your project uses instead. Each plugin unit have initialization code what modify this variable.

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