Difference between revisions of "Unit Winsock2"

Revision as of 03:12, 24 April 2018

`WINSOCK_VERSION = $0202;`

`WINSOCK_TCP_SERVER_THREAD_NAME = 'TCP Server';`	Thread name for TCP server threads
`WINSOCK_TCP_SERVER_THREAD_PRIORITY = THREAD_PRIORITY_NORMAL;`	Thread priority for TCP server threads

`WINSOCK_TCP_LISTENER_THREAD_NAME = 'TCP Listener';`	Thread name for TCP listener threads
`WINSOCK_TCP_LISTENER_THREAD_PRIORITY = THREAD_PRIORITY_NORMAL;`	Thread priority for TCP listener threads

`WINSOCK_UDP_SERVER_THREAD_NAME = 'UDP Server';`	Thread name for UDP server threads
`WINSOCK_UDP_SERVER_THREAD_PRIORITY = THREAD_PRIORITY_NORMAL;`	Thread priority for UDP server threads

`WINSOCK_UDP_LISTENER_THREAD_NAME = 'UDP Listener';`	Thread name for UDP listener threads
`WINSOCK_UDP_LISTENER_THREAD_PRIORITY = THREAD_PRIORITY_NORMAL;`	Thread priority for UDP listener threads

`FD_SETSIZE = GlobalSock.FD_SETSIZE;`

`IOCPARM_MASK = GlobalSock.IOCPARM_MASK;`
`IOC_VOID = GlobalSock.IOC_VOID;`
`IOC_OUT = GlobalSock.IOC_OUT;`
`IOC_IN = GlobalSock.IOC_IN;`
`IOC_INOUT = GlobalSock.IOC_INOUT;`

`FIONREAD = GlobalSock.FIONREAD;`
`FIONBIO = GlobalSock.FIONBIO;`
`FIOASYNC = GlobalSock.FIOASYNC;`

`SIOCSHIWAT = GlobalSock.SIOCSHIWAT;`
`SIOCGHIWAT = GlobalSock.SIOCGHIWAT;`
`SIOCSLOWAT = GlobalSock.SIOCSLOWAT;`
`SIOCGLOWAT = GlobalSock.SIOCGLOWAT;`
`SIOCATMARK = GlobalSock.SIOCATMARK;`

`IMPLINK_IP = GlobalSock.IMPLINK_IP;`
`IMPLINK_LOWEXPER = GlobalSock.IMPLINK_LOWEXPER;`
`IMPLINK_HIGHEXPER = GlobalSock.IMPLINK_HIGHEXPER;`

`TF_DISCONNECT = GlobalSock.TF_DISCONNECT;`
`TF_REUSE_SOCKET = GlobalSock.TF_REUSE_SOCKET;`
`TF_WRITE_BEHIND = GlobalSock.TF_WRITE_BEHIND;`

`INET_ADDRSTR_ANY = GlobalSock.INET_ADDRSTR_ANY;`
`INET6_ADDRSTR_INIT = GlobalSock.INET6_ADDRSTR_INIT;`

`INET_ADDRSTR_BROADCAST = GlobalSock.INET_ADDRSTR_BROADCAST;`

`INET_ADDRSTRLEN = GlobalSock.INET_ADDRSTRLEN;`
`INET6_ADDRSTRLEN = GlobalSock.INET6_ADDRSTRLEN;`

`IN6ADDR_ANY_INIT:TIn6Addr = (u6_addr16: (0, 0, 0, 0, 0, 0, 0, 0));`
`IN6ADDR_LOOPBACK_INIT:TIn6Addr = (u6_addr8: (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1));`

`INADDR_ANY = GlobalSock.INADDR_ANY;`
`INADDR_LOOPBACK = GlobalSock.INADDR_LOOPBACK;`
`INADDR_BROADCAST = GlobalSock.INADDR_BROADCAST;`
`INADDR_NONE = GlobalSock.INADDR_NONE;`

`IN6ADDR_ANY:TIn6Addr = (u6_addr16: (0, 0, 0, 0, 0, 0, 0, 0));`
`IN6ADDR_LOOPBACK:TIn6Addr = (u6_addr8: (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1));`

Level number for (get/set)sockopt() to apply to socket itself
`SOL_SOCKET = GlobalSock.SOL_SOCKET;`

Maximum queue length specifiable by listen
`SOMAXCONN = GlobalSock.SOMAXCONN;`

Return flags
`RESULT_IS_ALIAS = $0001;`

`SERVICE_MULTIPLE = $00000001;`

`BIGENDIAN = $0000;`
`LITTLEENDIAN = $0001;`

`SECURITY_PROTOCOL_NONE = $0000;`

This is used instead of -1, since the TSocket type is unsigned
`INVALID_SOCKET = GlobalSock.INVALID_SOCKET;`
`SOCKET_ERROR = GlobalSock.SOCKET_ERROR;`

Define constant based on rfc883, used by gethostbyxxxx() calls
`MAXGETHOSTSTRUCT = GlobalSock.MAXGETHOSTSTRUCT;`

`WSADESCRIPTION_LEN = GlobalSock.WSADESCRIPTION_LEN;`
`WSASYS_STATUS_LEN = GlobalSock.WSASYS_STATUS_LEN;`
`MAX_PROTOCOL_CHAIN = 7;`
`BASE_PROTOCOL = 1;`
`LAYERED_PROTOCOL = 0;`
`WSAPROTOCOL_LEN = 255;`

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IP protocol IPPROTO_*

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IP port IPPORT_*

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IP option IP_*

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Socket type SOCK_*

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Socket option SO_*

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TCP option TCP_*

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UDP option UDP_*

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Address family AF_*

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Protocol family PF_*

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Message flag MSG_*

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FD option FD_*

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Socket error WSAE*

All Windows Sockets error constants are biased by WSABASEERR from the "normal"

`WSABASEERR = GlobalSock.WSABASEERR;`

Windows Sockets definitions of regular Microsoft C error constants
`WSAEINTR = GlobalSock.WSAEINTR;`
`WSAEBADF = GlobalSock.WSAEBADF;`
`WSAEACCES = GlobalSock.WSAEACCES;`
`WSAEFAULT = GlobalSock.WSAEFAULT;`
`WSAEINVAL = GlobalSock.WSAEINVAL;`
`WSAEMFILE = GlobalSock.WSAEMFILE;`

Windows Sockets definitions of regular Berkeley error constants
`WSAEWOULDBLOCK = GlobalSock.WSAEWOULDBLOCK;`
`WSAEINPROGRESS = GlobalSock.WSAEINPROGRESS;`
`WSAEALREADY = GlobalSock.WSAEALREADY;`
`WSAENOTSOCK = GlobalSock.WSAENOTSOCK;`
`WSAEDESTADDRREQ = GlobalSock.WSAEDESTADDRREQ;`
`WSAEMSGSIZE = GlobalSock.WSAEMSGSIZE;`
`WSAEPROTOTYPE = GlobalSock.WSAEPROTOTYPE;`
`WSAENOPROTOOPT = GlobalSock.WSAENOPROTOOPT;`
`WSAEPROTONOSUPPORT = GlobalSock.WSAEPROTONOSUPPORT;`
`WSAESOCKTNOSUPPORT = GlobalSock.WSAESOCKTNOSUPPORT;`
`WSAEOPNOTSUPP = GlobalSock.WSAEOPNOTSUPP;`
`WSAEPFNOSUPPORT = GlobalSock.WSAEPFNOSUPPORT;`
`WSAEAFNOSUPPORT = GlobalSock.WSAEAFNOSUPPORT;`
`WSAEADDRINUSE = GlobalSock.WSAEADDRINUSE;`
`WSAEADDRNOTAVAIL = GlobalSock.WSAEADDRNOTAVAIL;`
`WSAENETDOWN = GlobalSock.WSAENETDOWN;`
`WSAENETUNREACH = GlobalSock.WSAENETUNREACH;`
`WSAENETRESET = GlobalSock.WSAENETRESET;`
`WSAECONNABORTED = GlobalSock.WSAECONNABORTED;`
`WSAECONNRESET = GlobalSock.WSAECONNRESET;`
`WSAENOBUFS = GlobalSock.WSAENOBUFS;`
`WSAEISCONN = GlobalSock.WSAEISCONN;`
`WSAENOTCONN = GlobalSock.WSAENOTCONN;`
`WSAESHUTDOWN = GlobalSock.WSAESHUTDOWN;`
`WSAETOOMANYREFS = GlobalSock.WSAETOOMANYREFS;`
`WSAETIMEDOUT = GlobalSock.WSAETIMEDOUT;`
`WSAECONNREFUSED = GlobalSock.WSAECONNREFUSED;`
`WSAELOOP = GlobalSock.WSAELOOP;`
`WSAENAMETOOLONG = GlobalSock.WSAENAMETOOLONG;`
`WSAEHOSTDOWN = GlobalSock.WSAEHOSTDOWN;`
`WSAEHOSTUNREACH = GlobalSock.WSAEHOSTUNREACH;`
`WSAENOTEMPTY = GlobalSock.WSAENOTEMPTY;`
`WSAEPROCLIM = GlobalSock.WSAEPROCLIM;`
`WSAEUSERS = GlobalSock.WSAEUSERS;`
`WSAEDQUOT = GlobalSock.WSAEDQUOT;`
`WSAESTALE = GlobalSock.WSAESTALE;`
`WSAEREMOTE = GlobalSock.WSAEREMOTE;`

`WSAEDISCON = GlobalSock.WSAEDISCON;`

Extended Windows Sockets error constant definitions
`WSASYSNOTREADY = GlobalSock.WSASYSNOTREADY;`
`WSAVERNOTSUPPORTED = GlobalSock.WSAVERNOTSUPPORTED;`
`WSANOTINITIALISED = GlobalSock.WSANOTINITIALISED;`

`WSAENOMORE = GlobalSock.WSAENOMORE;`
`WSAECANCELLED = GlobalSock.WSAECANCELLED;`
`WSAEINVALIDPROCTABLE = GlobalSock.WSAEINVALIDPROCTABLE;`
`WSAEINVALIDPROVIDER = GlobalSock.WSAEINVALIDPROVIDER;`
`WSAEPROVIDERFAILEDINIT = GlobalSock.WSAEPROVIDERFAILEDINIT;`
`WSASYSCALLFAILURE = GlobalSock.WSASYSCALLFAILURE;`
`WSASERVICE_NOT_FOUND = GlobalSock.WSASERVICE_NOT_FOUND;`
`WSATYPE_NOT_FOUND = GlobalSock.WSATYPE_NOT_FOUND;`
`WSA_E_NO_MORE = GlobalSock.WSA_E_NO_MORE;`
`WSA_E_CANCELLED = GlobalSock.WSA_E_CANCELLED;`
`WSAEREFUSED = GlobalSock.WSAEREFUSED;`

Error return codes from gethostbyname() and gethostbyaddr() (when using the resolver). Note that these errors are retrieved via WSAGetLastError() and must therefore follow the rules for avoiding clashes with error numbers from specific implementations or language run-time systems. For this reason the codes are based at WSABASEERR+1001. Note also that [WSA]NO_ADDRESS is defined only for compatibility purposes.

Authoritative Answer: Host not found
`WSAHOST_NOT_FOUND = GlobalSock.WSAHOST_NOT_FOUND;`
`HOST_NOT_FOUND = GlobalSock.HOST_NOT_FOUND;`

Non-Authoritative: Host not found, or SERVERFAIL
`WSATRY_AGAIN = GlobalSock.WSATRY_AGAIN;`
`TRY_AGAIN = GlobalSock.TRY_AGAIN;`

Non recoverable errors, FORMERR, REFUSED, NOTIMP
`WSANO_RECOVERY = GlobalSock.WSANO_RECOVERY;`
`NO_RECOVERY = GlobalSock.NO_RECOVERY;`

Valid name, no data record of requested type
`WSANO_DATA = GlobalSock.WSANO_DATA;`
`NO_DATA = GlobalSock.NO_DATA;`

no address, look for MX record
`WSANO_ADDRESS = GlobalSock.WSANO_ADDRESS;`
`NO_ADDRESS = GlobalSock.NO_ADDRESS;`

WinSock 2 extension -- new error codes and type definition
`WSA_IO_PENDING = GlobalSock.WSA_IO_PENDING;`
`WSA_IO_INCOMPLETE = GlobalSock.WSA_IO_INCOMPLETE;`
`WSA_INVALID_HANDLE = GlobalSock.WSA_INVALID_HANDLE;`
`WSA_INVALID_PARAMETER = GlobalSock.WSA_INVALID_PARAMETER;`
`WSA_NOT_ENOUGH_MEMORY = GlobalSock.WSA_NOT_ENOUGH_MEMORY;`
`WSA_OPERATION_ABORTED = GlobalSock.WSA_OPERATION_ABORTED;`
`WSA_INVALID_EVENT = GlobalSock.WSA_INVALID_EVENT;`
`WSA_MAXIMUM_WAIT_EVENTS = GlobalSock.WSA_MAXIMUM_WAIT_EVENTS;`
`WSA_WAIT_FAILED = GlobalSock.WSA_WAIT_FAILED;`
`WSA_WAIT_EVENT_0 = GlobalSock.WSA_WAIT_EVENT_0;`
`WSA_WAIT_IO_COMPLETION = GlobalSock.WSA_WAIT_IO_COMPLETION;`
`WSA_WAIT_TIMEOUT = GlobalSock.WSA_WAIT_TIMEOUT;`
`WSA_INFINITE = GlobalSock.WSA_INFINITE;`

Windows Sockets errors redefined as regular Berkeley error constants. These are commented out in Windows NT to avoid conflicts with errno.h. Use the WSA constants instead.
`EWOULDBLOCK = GlobalSock.EWOULDBLOCK;`
`EINPROGRESS = GlobalSock.EINPROGRESS;`
`EALREADY = GlobalSock.EALREADY;`
`ENOTSOCK = GlobalSock.ENOTSOCK;`
`EDESTADDRREQ = GlobalSock.EDESTADDRREQ;`
`EMSGSIZE = GlobalSock.EMSGSIZE;`
`EPROTOTYPE = GlobalSock.EPROTOTYPE;`
`ENOPROTOOPT = GlobalSock.ENOPROTOOPT;`
`EPROTONOSUPPORT = GlobalSock.EPROTONOSUPPORT;`
`ESOCKTNOSUPPORT = GlobalSock.ESOCKTNOSUPPORT;`
`EOPNOTSUPP = GlobalSock.EOPNOTSUPP;`
`EPFNOSUPPORT = GlobalSock.EPFNOSUPPORT;`
`EAFNOSUPPORT = GlobalSock.EAFNOSUPPORT;`
`EADDRINUSE = GlobalSock.EADDRINUSE;`
`EADDRNOTAVAIL = GlobalSock.EADDRNOTAVAIL;`
`ENETDOWN = GlobalSock.ENETDOWN;`
`ENETUNREACH = GlobalSock.ENETUNREACH;`
`ENETRESET = GlobalSock.ENETRESET;`
`ECONNABORTED = GlobalSock.ECONNABORTED;`
`ECONNRESET = GlobalSock.ECONNRESET;`
`ENOBUFS = GlobalSock.ENOBUFS;`
`EISCONN = GlobalSock.EISCONN;`
`ENOTCONN = GlobalSock.ENOTCONN;`
`ESHUTDOWN = GlobalSock.ESHUTDOWN;`
`ETOOMANYREFS = GlobalSock.ETOOMANYREFS;`
`ETIMEDOUT = GlobalSock.ETIMEDOUT;`
`ECONNREFUSED = GlobalSock.ECONNREFUSED;`
`ELOOP = GlobalSock.ELOOP;`
`ENAMETOOLONG = GlobalSock.ENAMETOOLONG;`
`EHOSTDOWN = GlobalSock.EHOSTDOWN;`
`EHOSTUNREACH = GlobalSock.EHOSTUNREACH;`
`ENOTEMPTY = GlobalSock.ENOTEMPTY;`
`EPROCLIM = GlobalSock.EPROCLIM;`
`EUSERS = GlobalSock.EUSERS;`
`EDQUOT = GlobalSock.EDQUOT;`
`ESTALE = GlobalSock.ESTALE;`
`EREMOTE = GlobalSock.EREMOTE;`

`ENOTREADY = GlobalSock.ENOTREADY;`
`EVERNOTSUPPORTED = GlobalSock.EVERNOTSUPPORTED;`
`ENOTINITIALISED = GlobalSock.ENOTINITIALISED;`

Error codes from getaddrinfo()
`EAI_AGAIN = GlobalSock.EAI_AGAIN;`
`EAI_BADFLAGS = GlobalSock.EAI_BADFLAGS;`
`EAI_FAIL = GlobalSock.EAI_FAIL;`
`EAI_FAMILY = GlobalSock.EAI_FAMILY;`
`EAI_MEMORY = GlobalSock.EAI_MEMORY;`
`EAI_NODATA = GlobalSock.EAI_NODATA;`
`EAI_NONAME = GlobalSock.EAI_NONAME;`
`EAI_SERVICE = GlobalSock.EAI_SERVICE;`
`EAI_SOCKTYPE = GlobalSock.EAI_SOCKTYPE;`

`EAI_NODATA = GlobalSock.EAI_NODATA;`

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Condition function value CF_*

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Shutdown option SD_*

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Socket group SG_*

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Provider flag PFL_*

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Service flag XP1_*

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Join leaf option JL_*

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Socket flag WSA_FLAG_*

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Socket IOC option IOC_*

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SIO option SIO_*

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Name space NS_*

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Resolution flag RES_*

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Service type value SERVICE_TYPE_*

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LUP option LUP_*

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Address info flag AI_*

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Name info flag NI_*

Type definitions

See globalsock.pas

Class definitions

Winsock2 socket

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TWinsock2Socket = class(TListObject)

Note: Base Socket classes

public
`constructor Create;`
private
`FBoundPort:Word;`
`FBoundAddress:String;`

`FReuseAddress:Boolean;`

`procedure SetFamily(AFamily:Integer); virtual;`
`procedure SetSocketType(ASocketType:Integer); virtual;`
`procedure SetProtocol(AProtocol:Integer); virtual;`

`procedure SetBoundPort(ABoundPort:Word);`
`procedure SetBoundAddress(const ABoundAddress:String); virtual;`

`procedure SetReuseAddress(AReuseAddress:Boolean);`

`function GetLocalPort:Word;`
`function GetLocalHost:String;`
`function GetLocalAddress:String;`
`function GetLocalAddresses:TStrings;`

`function GetSendSize:Integer;`
`procedure SetSendSize(ASize:Integer);`
`function GetReceiveSize:Integer;`
`procedure SetReceiveSize(ASize:Integer);`
`function GetSendTimeout:Integer;`
`procedure SetSendTimeout(ATimeout:Integer);`
`function GetReceiveTimeout:Integer;`
`procedure SetReceiveTimeout(ATimeout:Integer);`
`function GetConnectTimeout:Integer;`
`procedure SetConnectTimeout(ATimeout:Integer);`
protected
`FHandle:TSocket;`

`FFamily:Integer;`
`FSocketType:Integer;`
`FProtocol:Integer;`

`FLastError:LongInt;`

`function GetBroadcastAddress:String;`

`function AllocateFamily:Boolean; virtual;`

`function AllocateAddress(var ALength:Integer):PSockAddr;`
`function ReleaseAddress(var ASockAddr:PSockAddr; var ALength:Integer):Boolean;`

`function AllocateBoundAddress(var ALength:Integer):PSockAddr;`

`function AllocateSocket(ASocketType:Integer):TSocket;`
`function Bind:LongInt;`

`function SockAddrToPort(ASockAddr:PSockAddr; ALength:Integer):Word;`
`function SockAddrToAddress(ASockAddr:PSockAddr; ALength:Integer):String;`
`function PortToSockAddr(APort:Word; ASockAddr:PSockAddr; ALength:Integer):Boolean;`
`function AddressToSockAddr(const AAddress:String; var ALength:Integer):PSockAddr;`
public
`property Handle:TSocket read FHandle;`

`property Family:Integer read FFamily write SetFamily;`
`property SocketType:Integer read FSocketType write SetSocketType;`
`property Protocol:Integer read FProtocol write SetProtocol;`

`property LastError:LongInt read FLastError;`

`property BoundPort:Word read FBoundPort write SetBoundPort;`
`property BoundAddress:String read FBoundAddress write SetBoundAddress;`

`property ReuseAddress:Boolean read FReuseAddress write SetReuseAddress;`

`property LocalPort:Word read GetLocalPort;`
`property LocalHost:String read GetLocalHost;`
`property LocalAddress:String read GetLocalAddress;`
`property LocalAddresses:TStrings read GetLocalAddresses;`

`property SendSize:Integer read GetSendSize write SetSendSize;`
`property ReceiveSize:Integer read GetReceiveSize write SetReceiveSize;`
`property SendTimeout:Integer read GetSendTimeout write SetSendTimeout;`
`property ReceiveTimeout:Integer read GetReceiveTimeout write SetReceiveTimeout;`
`property ConnectTimeout:Integer read GetConnectTimeout write SetConnectTimeout;`

`function Connected:Boolean; virtual;`

`function Shutdown:Boolean; virtual;`
`function Disconnect:Boolean; virtual;`
`function CloseSocket:Boolean; virtual;`

`function ResolveHost(const AHost:String):String;`
`function ResolveFamily(const AAddress:String):Integer;`
`function ResolveAddress(const AAddress:String):String;`

`function ResolveHostEx(const AHost:String; AFamily:Integer; AAll:Boolean):TStrings;`

Winsock2 socket thread

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TWinsock2SocketThread = class(TThreadEx)

Winsock2 socket threads

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TWinsock2SocketThreads = class(TObject)

Winsock2 socket buffer

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TWinsock2SocketBuffer = class(TObject)

Winsock2 socket buffers

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TWinsock2SocketBuffers = class(TObject)

Winsock2 RAW socket

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TWinsock2RAWSocket = class(TWinsock2Socket)

Winsock2 TCP socket

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TWinsock2TCPSocket = class(TWinsock2Socket)

Winsock2 UDP socket

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TWinsock2UDPSocket = class(TWinsock2Socket)

Winsock2 RAW client

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TWinsock2RAWClient = class(TWinsock2RAWSocket)

Winsock2 TCP client

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TWinsock2TCPClient = class(TWinsock2TCPSocket)

Winsock2 UDP client

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TWinsock2UDPClient = class(TWinsock2UDPSocket)

Winsock2 TCP server

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TWinsock2TCPServer = class(TWinsock2TCPSocket)

Winsock2 TCP server thread

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TWinsock2TCPServerThread = class(TWinsock2SocketThread)

Winsock2 TCP listener thread

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TWinsock2TCPListenerThread = class(TWinsock2SocketThread)

Winsock2 TCP server threads

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TWinsock2TCPServerThreads = class(TWinsock2SocketThreads)

Winsock2 TCP listener

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TWinsock2TCPListener = class(TWinsock2TCPSocket)

Winsock2 UDP server

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TWinsock2UDPServer = class(TWinsock2UDPSocket)

Winsock2 UDP server thread

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TWinsock2UDPServerThread = class(TWinsock2SocketThread)

Winsock2 UDP listener thread

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TWinsock2UDPListenerThread = class(TWinsock2SocketThread)

Winsock2 UDP server threads

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TWinsock2UDPServerThreads = class(TWinsock2SocketThreads)

Winsock2 UDP server buffer

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TWinsock2UDPServerBuffer = class(TWinsock2SocketBuffer)

Winsock2 UDP server buffers

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TWinsock2UDPServerBuffers = class(TWinsock2SocketBuffers)

Winsock2 UDP listener

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TWinsock2UDPListener = class(TWinsock2UDPSocket)

Public variables

None defined

Function declarations

Initialization functions

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procedure WS2Init;

Description: To be documented

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function WS2Start:Boolean;

Description: To be documented

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function WS2Stop:Boolean;

Description: To be documented

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procedure WS2AsyncStart(Data:Pointer);

Description: To be documented

Winsock2 functions

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function accept( const s: TSocket; addr: PSockAddr; addrlen: PLongint ): TSocket;

Description: To be documented

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function accept( const s: TSocket; addr: PSockAddr; var addrlen: Longint ): TSocket;

Description: To be documented

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function bind( const s: TSocket; addr: PSockAddr; namelen: Longint ): Longint;

Description: To be documented

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function bind( const s: TSocket; var addr: TSockAddr; namelen: Longint ): Longint;

Description: To be documented

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function closesocket( const s: TSocket ): Longint;

Description: To be documented

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function connect( const s: TSocket; name: PSockAddr; namelen: Longint): Longint;

Description: To be documented

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function connect( const s: TSocket; var name: TSockAddr; namelen: Longint): Longint;

Description: To be documented

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function ioctlsocket( const s: TSocket; cmd: Longint; var arg: u_long ): Longint;

Description: To be documented

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function ioctlsocket( const s: TSocket; cmd: Longint; argp: pu_long ): Longint;

Description: To be documented

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function getpeername( const s: TSocket; var name: TSockAddr; var namelen: Longint ): Longint;

Description: To be documented

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function getsockname( const s: TSocket; var name: TSockAddr; var namelen: Longint ): Longint;

Description: To be documented

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function getsockopt( const s: TSocket; const level, optname: Longint; optval: PChar; var optlen: Longint ): Longint;

Description: To be documented

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function getsockopt( const s: TSocket; const level, optname: Longint; optval: Pointer; var optlen: Longint ): Longint;

Description: To be documented

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function getsockopt( const s: TSocket; const level, optname: Longint; var optval; var optlen: Longint ): Longint;

Description: To be documented

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function htonl(hostlong: u_long): u_long;

Description: To be documented

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function htons(hostshort: u_short): u_short;

Description: To be documented

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function inet_addr(cp: PChar): u_long;

Description: To be documented

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function inet_ntoa(inaddr: TInAddr): PChar;

Description: To be documented

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function listen(s: TSocket; backlog: Longint): Longint;

Description: To be documented

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function ntohl(netlong: u_long): u_long;

Description: To be documented

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function ntohs(netshort: u_short): u_short;

Description: To be documented

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function recv(s: TSocket; var Buf; len, flags: Longint): Longint;

Description: To be documented

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function recv(s: TSocket; Buf: PChar; len, flags: Longint): Longint;

Description: To be documented

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function recv(s: TSocket; Buf: Pointer; len, flags: Longint): Longint;

Description: To be documented

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function recvfrom(s: TSocket; Buf: PChar; len, flags: Longint; from: PSockAddr; fromlen: PLongint): Longint;

Description: To be documented

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function recvfrom(s: TSocket; Buf: Pointer; len, flags: Longint; from: PSockAddr; fromlen: PLongint): Longint;

Description: To be documented

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function recvfrom(s: TSocket; var Buf; len, flags: Longint; var from: TSockAddr; var fromlen: Longint): Longint;

Description: To be documented

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function select(nfds: Longint; readfds, writefds, exceptfds: PFDSet; timeout: PTimeVal): Longint;

Description: To be documented

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function send(s: TSocket; var Buf; len, flags: Longint): Longint;

Description: To be documented

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function send(s: TSocket; Buf: PChar; len, flags: Longint): Longint;

Description: To be documented

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function send(s: TSocket; Buf: Pointer; len, flags: Longint): Longint;

Description: To be documented

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function sendto(s: TSocket; var Buf; len, flags: Longint; var addrto: TSockAddr; tolen: Longint): Longint;

Description: To be documented

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function sendto(s: TSocket; Buf: PChar; len, flags: Longint; addrto: PSockAddr; tolen: Longint): Longint;

Description: To be documented

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function sendto(s: TSocket; Buf: Pointer; len, flags: Longint; addrto: PSockAddr; tolen: Longint): Longint;

Description: To be documented

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function setsockopt(s: TSocket; level, optname: Longint; const optval; optlen: Longint): Longint;

Description: To be documented

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function setsockopt(s: TSocket; level, optname: Longint; optval: PChar; optlen: Longint): Longint;

Description: To be documented

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function setsockopt(s: TSocket; level, optname: Longint; optval: Pointer; optlen: Longint): Longint;

Description: To be documented

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function shutdown(s: TSocket; how: Longint): Longint;

Description: To be documented

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function socket(af, struct, protocol: Longint): TSocket;

Description: To be documented

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function gethostbyaddr(addr: Pointer; len, family: Longint): PHostEnt;

Description: To be documented

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function gethostbyname(name: PChar): PHostEnt;

Description: To be documented

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function gethostname(name: PChar; len: Longint): Longint;

Description: To be documented

[Expand]

function getservbyport(port: Longint; proto: PChar): PServEnt;

Description: To be documented

[Expand]

function getservbyname(name, proto: PChar): PServEnt;

Description: To be documented

[Expand]

function getprotobynumber(proto: Longint): PProtoEnt;

Description: To be documented

[Expand]

function getprotobyname(name: PChar): PProtoEnt;

Description: To be documented

[Expand]

function getaddrinfo(pNodeName, pServiceName: PChar; pHints: PAddrInfo; var ppResult: PAddrInfo): LongInt;

Description: To be documented

[Expand]

procedure freeaddrinfo(ai: PAddrInfo);

Description: To be documented

[Expand]

function getnameinfo(sa: PSockAddr; salen: Integer; host: PChar; hostlen: DWORD; serv: PChar; servlen: DWORD; flags: Integer): Integer;

Description: To be documented

[Expand]

function WSAStartup(wVersionRequired: word; var WSData: TWSAData): Longint;

Description: To be documented

[Expand]

function WSACleanup: Longint;

Description: To be documented

[Expand]

procedure WSASetLastError(iError: Longint); inline;

Description: To be documented

[Expand]

function WSAGetLastError: Longint; inline;

Description: To be documented

[Expand]

function __WSAFDIsSet(s: TSOcket; var FDSet: TFDSet): Bool;

Description: To be documented

[Expand]

function inet_pton(Family: Longint; pszAddrString: PChar; pAddrBuf: Pointer): Longint;

Description: To be documented

[Expand]

function InetPtonA(Family: Longint; pszAddrString: PChar; pAddrBuf: Pointer): Longint;

Description: To be documented

[Expand]

function InetPtonW(Family: Longint; pszAddrString: PWideChar; pAddrBuf: Pointer): Longint;

Description: To be documented

[Expand]

function inet_ntop(Family: Longint; pAddr: Pointer; pStringBuf: PChar; StringBufSize: Longint): PChar;

Description: To be documented

[Expand]

function InetNtopA(Family: Longint; pAddr: Pointer; pStringBuf: PChar; StringBufSize: Longint): PChar;

Description: To be documented

[Expand]

function InetNtopW(Family: Longint; pAddr: Pointer; pStringBuf: PWideChar; StringBufSize: Longint): PWideChar;

Description: To be documented

[Expand]

function WSAhtonl( s : TSocket; hostlong : u_long; var lpnetlong : DWORD ): Longint;

Description: To be documented

[Expand]

function WSAhtons( s : TSocket; hostshort : u_short; var lpnetshort : WORD ): Longint;

Description: To be documented

[Expand]

function WSANtohl( s : TSocket; netlong : u_long; var lphostlong : DWORD ): Longint;

Description: To be documented

[Expand]

function WSANtohs( s : TSocket; netshort : u_short; var lphostshort : WORD ): Longint;

Description: To be documented

[Expand]

function WSAMakeSyncReply(Buflen, Error: Word): Longint;

Description: To be documented

[Expand]

function WSAMakeSelectReply(Event, Error: Word): Longint;

Description: To be documented

[Expand]

function WSAGetAsyncBuflen(Param: Longint): Word;

Description: To be documented

[Expand]

function WSAGetAsyncError(Param: Longint): Word;

Description: To be documented

[Expand]

function WSAGetSelectEvent(Param: Longint): Word;

Description: To be documented

[Expand]

function WSAGetSelectError(Param: Longint): Word;

Description: To be documented

[Expand]

procedure FD_CLR(Socket: TSocket; var FDSet: TFDSet);

Description: To be documented

[Expand]

function FD_ISSET(Socket: TSocket; var FDSet: TFDSet): Boolean;

Description: To be documented

[Expand]

procedure FD_SET(Socket: TSocket; var FDSet: TFDSet);

Description: To be documented

[Expand]

procedure FD_ZERO(var FDSet: TFDSet);

Description: To be documented

Winsock2 undocumented functions

[Expand]

function WsControl(Proto:DWORD; Action:DWORD; pRequestInfo:Pointer; var pcbRequestInfoLen:DWORD; pResponseInfo:Pointer; var pcbResponseInfoLen:DWORD):Integer;

Description: To be documented

[Expand]

function getnetbyaddr(addr: Pointer; len, Struct: Integer): PNetEnt;

Description: To be documented

[Expand]

function getnetbyname(name: PChar): PNetEnt;

Description: To be documented

Winsock2 enhanced functions

[Expand]

function WsControlEx(Proto:DWORD; Action:DWORD; pRequestInfo:Pointer; var pcbRequestInfoLen:DWORD; pResponseInfo:Pointer; var pcbResponseInfoLen:DWORD):Integer;

Description: To be documented

RTL text IO functions

[Expand]

function SysTextIOReadChar(var ACh:Char; AUserData:Pointer):Boolean;

Description: Handler for platform TextIOReadChar function

[Expand]

function SysTextIOWriteChar(ACh:Char; AUserData:Pointer):Boolean;

Description: Handler for platform TextIOWriteChar function

[Expand]

function SysTextIOWriteBuffer(ABuffer:PChar; ACount:LongInt; AUserData:Pointer):LongInt;

Description: Handler for platform TextIOWriteBuffer function

Winsock2 helper functions

[Expand]

function Winsock2RedirectInput(s:TSocket):Boolean;

Description: Redirect standard input to the socket specified by s

[Expand]

function Winsock2RedirectOutput(s:TSocket):Boolean;

Description: Redirect standard output to the socket specified by s

[Expand]

function Winsock2ErrorToString(AError:LongInt):String;

Description: To be documented

Return to Unit Reference

`IPPROTO_IP = GlobalSock.IPPROTO_IP;`
`IPPROTO_ICMP = GlobalSock.IPPROTO_ICMP;`
`IPPROTO_IGMP = GlobalSock.IPPROTO_IGMP;`
`IPPROTO_GGP = GlobalSock.IPPROTO_GGP;`
`IPPROTO_TCP = GlobalSock.IPPROTO_TCP;`
`IPPROTO_EGP = GlobalSock.IPPROTO_EGP;`
`IPPROTO_PUP = GlobalSock.IPPROTO_PUP;`
`IPPROTO_UDP = GlobalSock.IPPROTO_UDP;`
`IPPROTO_HMP = GlobalSock.IPPROTO_HMP;`
`IPPROTO_IDP = GlobalSock.IPPROTO_IDP;`
`IPPROTO_RDP = GlobalSock.IPPROTO_RDP;`
`IPPROTO_IPV6 = GlobalSock.IPPROTO_IPV6;`
`IPPROTO_ROUTING = GlobalSock.IPPROTO_ROUTING;`
`IPPROTO_FRAGMENT = GlobalSock.IPPROTO_FRAGMENT;`
`IPPROTO_ICMPV6 = GlobalSock.IPPROTO_ICMPV6;`
`IPPROTO_RVD = GlobalSock.IPPROTO_RVD;`
`IPPROTO_ND = GlobalSock.IPPROTO_ND;`
`IPPROTO_RAW = GlobalSock.IPPROTO_RAW;`
`IPPROTO_MAX = GlobalSock.IPPROTO_MAX;`

Port/socket numbers: network standard functions
`IPPORT_ANY = GlobalSock.IPPORT_ANY;`
`IPPORT_ECHO = GlobalSock.IPPORT_ECHO;`
`IPPORT_DISCARD = GlobalSock.IPPORT_DISCARD;`
`IPPORT_SYSTAT = GlobalSock.IPPORT_SYSTAT;`
`IPPORT_DAYTIME = GlobalSock.IPPORT_DAYTIME;`
`IPPORT_NETSTAT = GlobalSock.IPPORT_NETSTAT;`
`IPPORT_FTP = GlobalSock.IPPORT_FTP;`
`IPPORT_TELNET = GlobalSock.IPPORT_TELNET;`
`IPPORT_SMTP = GlobalSock.IPPORT_SMTP;`
`IPPORT_TIMESERVER = GlobalSock.IPPORT_TIMESERVER;`
`IPPORT_NAMESERVER = GlobalSock.IPPORT_NAMESERVER;`
`IPPORT_WHOIS = GlobalSock.IPPORT_WHOIS;`
`IPPORT_DNS = GlobalSock.IPPORT_DNS;`
`IPPORT_MTP = GlobalSock.IPPORT_MTP;`
`IPPORT_BOOTPS = GlobalSock.IPPORT_BOOTPS;`
`IPPORT_BOOTPC = GlobalSock.IPPORT_BOOTPC;`

Port/socket numbers: host specific functions
`IPPORT_TFTP = GlobalSock.IPPORT_TFTP;`
`IPPORT_RJE = GlobalSock.IPPORT_RJE;`
`IPPORT_FINGER = GlobalSock.IPPORT_FINGER;`
`IPPORT_TTYLINK = GlobalSock.IPPORT_TTYLINK;`
`IPPORT_SUPDUP = GlobalSock.IPPORT_SUPDUP;`

UNIX TCP sockets
`IPPORT_EXECSERVER = GlobalSock.IPPORT_EXECSERVER;`
`IPPORT_LOGINSERVER = GlobalSock.IPPORT_LOGINSERVER;`
`IPPORT_CMDSERVER = GlobalSock.IPPORT_CMDSERVER;`
`IPPORT_EFSSERVER = GlobalSock.IPPORT_EFSSERVER;`

UNIX UDP sockets
`IPPORT_BIFFUDP = GlobalSock.IPPORT_BIFFUDP;`
`IPPORT_WHOSERVER = GlobalSock.IPPORT_WHOSERVER;`
`IPPORT_ROUTESERVER = GlobalSock.IPPORT_ROUTESERVER;`

Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root)
`IPPORT_RESERVED = GlobalSock.IPPORT_RESERVED;`

Options for use with [gs]etsockopt at the IP level

`IP_OPTIONS = GlobalSock.IP_OPTIONS;`
`IP_MULTICAST_IF = GlobalSock.IP_MULTICAST_IF;`
`IP_MULTICAST_TTL = GlobalSock.IP_MULTICAST_TTL;`
`IP_MULTICAST_LOOP = GlobalSock.IP_MULTICAST_LOOP;`
`IP_ADD_MEMBERSHIP = GlobalSock.IP_ADD_MEMBERSHIP;`
`IP_DROP_MEMBERSHIP = GlobalSock.IP_DROP_MEMBERSHIP;`
`IP_TTL = GlobalSock.IP_TTL;`
`IP_TOS = GlobalSock.IP_TOS;`
`IP_DONTFRAGMENT = GlobalSock.IP_DONTFRAGMENT;`
`IP_HDRINCL = GlobalSock.IP_HDRINCL;`

`IP_DEFAULT_MULTICAST_TTL = GlobalSock.IP_DEFAULT_MULTICAST_TTL;`
`IP_DEFAULT_MULTICAST_LOOP = GlobalSock.IP_DEFAULT_MULTICAST_LOOP;`
`IP_MAX_MEMBERSHIPS = GlobalSock.IP_MAX_MEMBERSHIPS;`

`SOCK_UNSPEC = GlobalSock.SOCK_UNSPEC;`
`SOCK_STREAM = GlobalSock.SOCK_STREAM;`
`SOCK_DGRAM = GlobalSock.SOCK_DGRAM;`
`SOCK_RAW = GlobalSock.SOCK_RAW;`
`SOCK_RDM = GlobalSock.SOCK_RDM;`
`SOCK_SEQPACKET = GlobalSock.SOCK_SEQPACKET;`
`SOCK_PACKET = GlobalSock.SOCK_PACKET;`

`SO_DEBUG = GlobalSock.SO_DEBUG;`
`SO_ACCEPTCONN = GlobalSock.SO_ACCEPTCONN;`
`SO_REUSEADDR = GlobalSock.SO_REUSEADDR;`
`SO_KEEPALIVE = GlobalSock.SO_KEEPALIVE;`
`SO_DONTROUTE = GlobalSock.SO_DONTROUTE;`
`SO_BROADCAST = GlobalSock.SO_BROADCAST;`
`SO_USELOOPBACK = GlobalSock.SO_USELOOPBACK;`
`SO_LINGER = GlobalSock.SO_LINGER;`
`SO_OOBINLINE = GlobalSock.SO_OOBINLINE;`

`SO_DONTLINGER = GlobalSock.SO_DONTLINGER;`

Additional options
`SO_SNDBUF = GlobalSock.SO_SNDBUF;`
`SO_RCVBUF = GlobalSock.SO_RCVBUF;`
`SO_SNDLOWAT = GlobalSock.SO_SNDLOWAT;`
`SO_RCVLOWAT = GlobalSock.SO_RCVLOWAT;`
`SO_SNDTIMEO = GlobalSock.SO_SNDTIMEO;`
`SO_RCVTIMEO = GlobalSock.SO_RCVTIMEO;`
`SO_ERROR = GlobalSock.SO_ERROR;`
`SO_TYPE = GlobalSock.SO_TYPE;`
`SO_CONNTIMEO = GlobalSock.SO_CONNTIMEO;`

Options for connect and disconnect data and options. Used only by non-TCP/IP transports such as DECNet, OSI TP4, etc
`SO_CONNDATA = GlobalSock.SO_CONNDATA;`
`SO_CONNOPT = GlobalSock.SO_CONNOPT;`
`SO_DISCDATA = GlobalSock.SO_DISCDATA;`
`SO_DISCOPT = GlobalSock.SO_DISCOPT;`
`SO_CONNDATALEN = GlobalSock.SO_CONNDATALEN;`
`SO_CONNOPTLEN = GlobalSock.SO_CONNOPTLEN;`
`SO_DISCDATALEN = GlobalSock.SO_DISCDATALEN;`
`SO_DISCOPTLEN = GlobalSock.SO_DISCOPTLEN;`

Option for opening sockets for synchronous access
`SO_OPENTYPE = GlobalSock.SO_OPENTYPE;`
`SO_SYNCHRONOUS_ALERT = GlobalSock.SO_SYNCHRONOUS_ALERT;`
`SO_SYNCHRONOUS_NONALERT = GlobalSock.SO_SYNCHRONOUS_NONALERT;`

Other NT-specific options
`SO_MAXDG = GlobalSock.SO_MAXDG;`
`SO_MAXPATHDG = GlobalSock.SO_MAXPATHDG;`
`SO_UPDATE_ACCEPT_CONTEXT = GlobalSock.SO_UPDATE_ACCEPT_CONTEXT;`
`SO_CONNECT_TIME = GlobalSock.SO_CONNECT_TIME;`

Difference between revisions of "Unit Winsock2"

Revision as of 03:12, 24 April 2018

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Constants

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Class definitions

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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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-! '''Note'''
+! Note
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 {| class="wikitable" style="font-size: 14px; background: white;"
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-! '''s'''
+! s
 | The socket to redirect input to (or INVALID_SOCKET to stop redirection)
 |-
-! '''Return'''
+! Return
 | True if completed successfully or False if an error occurred
 |-
-! '''Note'''
+! Note
 | Redirects the input of the text file Input which also redirects the input of Read, ReadLn and the standard C library.
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-! '''s'''
+! s
 | The socket to redirect output to (or INVALID_SOCKET to stop redirection)
 |-
-! '''Return'''
+! Return
 | True if completed successfully or False if an error occurred
 |-
-! '''Note'''
+! Note
 | Redirects the output of the text files Output, ErrOutput, StdOut and StdErr which also redirects the output of Write, WriteLn and the standard C library.
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`TCP_NODELAY= GlobalSock.TCP_NODELAY;`
`TCP_MAXSEG = GlobalSock.TCP_MAXSEG;`
`TCP_NOPUSH = GlobalSock.TCP_NOPUSH;`
`TCP_NOOPT = GlobalSock.TCP_NOOPT;`
`TCP_BSDURGENT = GlobalSock.TCP_BSDURGENT;`

`TCP_WSCALE = GlobalSock.TCP_WSCALE;`
`TCP_NOSACK = GlobalSock.TCP_NOSACK;`

`AF_UNSPEC = GlobalSock.AF_UNSPEC;`
`AF_UNIX = GlobalSock.AF_UNIX;`
`AF_INET = GlobalSock.AF_INET;`
`AF_IMPLINK = GlobalSock.AF_IMPLINK;`
`AF_PUP = GlobalSock.AF_PUP;`
`AF_CHAOS = GlobalSock.AF_CHAOS;`
`AF_IPX = GlobalSock.AF_IPX;`
`AF_NS = GlobalSock.AF_NS;`
`AF_ISO = GlobalSock.AF_ISO;`
`AF_OSI = GlobalSock.AF_OSI;`
`AF_ECMA = GlobalSock.AF_ECMA;`
`AF_DATAKIT = GlobalSock.AF_DATAKIT;`
`AF_CCITT = GlobalSock.AF_CCITT;`
`AF_SNA = GlobalSock.AF_SNA;`
`AF_DECnet = GlobalSock.AF_DECnet;`
`AF_DLI = GlobalSock.AF_DLI;`
`AF_LAT = GlobalSock.AF_LAT;`
`AF_HYLINK = GlobalSock.AF_HYLINK;`
`AF_APPLETALK = GlobalSock.AF_APPLETALK;`
`AF_NETBIOS = GlobalSock.AF_NETBIOS;`
`AF_VOICEVIEW = GlobalSock.AF_VOICEVIEW;`
`AF_FIREFOX = GlobalSock.AF_FIREFOX;`
`AF_UNKNOWN1 = GlobalSock.AF_UNKNOWN1;`
`AF_BAN = GlobalSock.AF_BAN;`
`AF_ATM = GlobalSock.AF_ATM;`
`AF_INET6 = GlobalSock.AF_INET6;`
`AF_CLUSTER = GlobalSock.AF_CLUSTER;`
`AF_12844 = GlobalSock.AF_12844;`
`AF_IRDA = GlobalSock.AF_IRDA;`
`AF_NETDES = GlobalSock.AF_NETDES;`

`AF_MAX = GlobalSock.AF_MAX;`

`PF_UNSPEC = GlobalSock.PF_UNSPEC;`
`PF_UNIX = GlobalSock.PF_UNIX;`
`PF_INET = GlobalSock.PF_INET;`
`PF_IMPLINK = GlobalSock.PF_IMPLINK;`
`PF_PUP = GlobalSock.PF_PUP;`
`PF_CHAOS = GlobalSock.PF_CHAOS;`
`PF_NS = GlobalSock.PF_NS;`
`PF_IPX = GlobalSock.PF_IPX;`
`PF_ISO = GlobalSock.PF_ISO;`
`PF_OSI = GlobalSock.PF_OSI;`
`PF_ECMA = GlobalSock.PF_ECMA;`
`PF_DATAKIT = GlobalSock.PF_DATAKIT;`
`PF_CCITT = GlobalSock.PF_CCITT;`
`PF_SNA = GlobalSock.PF_SNA;`
`PF_DECnet = GlobalSock.PF_DECnet;`
`PF_DLI = GlobalSock.PF_DLI;`
`PF_LAT = GlobalSock.PF_LAT;`
`PF_HYLINK = GlobalSock.PF_HYLINK;`
`PF_APPLETALK = GlobalSock.PF_APPLETALK;`
`PF_VOICEVIEW = GlobalSock.PF_VOICEVIEW;`
`PF_FIREFOX = GlobalSock.PF_FIREFOX;`
`PF_UNKNOWN1 = GlobalSock.PF_UNKNOWN1;`
`PF_BAN = GlobalSock.PF_BAN;`
`PF_ATM = GlobalSock.PF_ATM;`
`PF_INET6 = GlobalSock.PF_INET6;`
`PF_CLUSTER = GlobalSock.PF_CLUSTER;`
`PF_12844 = GlobalSock.PF_12844;`
`PF_IRDA = GlobalSock.PF_IRDA;`
`PF_NETDES = GlobalSock.PF_NETDES;`

`PF_MAX = GlobalSock.PF_MAX;`

`MSG_OOB = GlobalSock.MSG_OOB;`
`MSG_PEEK = GlobalSock.MSG_PEEK;`
`MSG_DONTROUTE = GlobalSock.MSG_DONTROUTE;`

`MSG_INTERRUPT = GlobalSock.MSG_INTERRUPT;`
`MSG_MAXIOVLEN = GlobalSock.MSG_MAXIOVLEN;`

`MSG_PARTIAL = GlobalSock.MSG_PARTIAL;`

WinSock 2 extension -- bit values and indices for FD_XXX network events

`FD_READ_BIT = 0;`
`FD_READ = (1 shl FD_READ_BIT);`
`FD_WRITE_BIT = 1;`
`FD_WRITE = (1 shl FD_WRITE_BIT);`
`FD_OOB_BIT = 2;`
`FD_OOB = (1 shl FD_OOB_BIT);`
`FD_ACCEPT_BIT = 3;`
`FD_ACCEPT = (1 shl FD_ACCEPT_BIT);`
`FD_CONNECT_BIT = 4;`
`FD_CONNECT = (1 shl FD_CONNECT_BIT);`
`FD_CLOSE_BIT = 5;`
`FD_CLOSE = (1 shl FD_CLOSE_BIT);`
`FD_QOS_BIT = 6;`
`FD_QOS = (1 shl FD_QOS_BIT);`
`FD_GROUP_QOS_BIT = 7;`
`FD_GROUP_QOS = (1 shl FD_GROUP_QOS_BIT);`
`FD_MAX_EVENTS = 8;`
`FD_ALL_EVENTS = ((1 shl FD_MAX_EVENTS) - 1);`

WinSock 2 extension -- manifest constants for return values of the condition function

`CF_ACCEPT = $0000;`
`CF_REJECT = $0001;`
`CF_DEFER = $0002;`

WinSock 2 extension -- manifest constants for shutdown()

`SD_RECEIVE = GlobalSock.SD_RECEIVE;`
`SD_SEND = GlobalSock.SD_SEND;`
`SD_BOTH = GlobalSock.SD_BOTH;`

WinSock 2 extension -- data type and manifest constants for socket groups

`SG_UNCONSTRAINED_GROUP = $01;`
`SG_CONSTRAINED_GROUP = $02;`

Flag bit definitions for dwProviderFlags */

`PFL_MULTIPLE_PROTO_ENTRIES = $00000001;`
`PFL_RECOMMENDED_PROTO_ENTRY = $00000002;`
`PFL_HIDDEN = $00000004;`
`PFL_MATCHES_PROTOCOL_ZERO = $00000008;`

Flag bit definitions for dwServiceFlags1 */

`XP1_CONNECTIONLESS = $00000001;`
`XP1_GUARANTEED_DELIVERY = $00000002;`
`XP1_GUARANTEED_ORDER = $00000004;`
`XP1_MESSAGE_ORIENTED = $00000008;`
`XP1_PSEUDO_STREAM = $00000010;`
`XP1_GRACEFUL_CLOSE = $00000020;`
`XP1_EXPEDITED_DATA = $00000040;`
`XP1_CONNECT_DATA = $00000080;`
`XP1_DISCONNECT_DATA = $00000100;`
`XP1_SUPPORT_BROADCAST = $00000200;`
`XP1_SUPPORT_MULTIPOINT = $00000400;`
`XP1_MULTIPOINT_CONTROL_PLANE = $00000800;`
`XP1_MULTIPOINT_DATA_PLANE = $00001000;`
`XP1_QOS_SUPPORTED = $00002000;`
`XP1_INTERRUPT = $00004000;`
`XP1_UNI_SEND = $00008000;`
`XP1_UNI_RECV = $00010000;`
`XP1_IFS_HANDLES = $00020000;`
`XP1_PARTIAL_MESSAGE = $00040000;`

WinSock 2 extension -- manifest constants for WSASocket()

`WSA_FLAG_OVERLAPPED = $01;`
`WSA_FLAG_MULTIPOINT_C_ROOT = $02;`
`WSA_FLAG_MULTIPOINT_C_LEAF = $04;`
`WSA_FLAG_MULTIPOINT_D_ROOT = $08;`
`WSA_FLAG_MULTIPOINT_D_LEAF = $10;`

WinSock 2 extension -- manifest constants for WSAIoctl()

`IOC_UNIX = $00000000;`
`IOC_WS2 = $08000000;`
`IOC_PROTOCOL = $10000000;`
`IOC_VENDOR = $18000000;`

`SIO_ASSOCIATE_HANDLE = IOC_IN or IOC_WS2 or 1;`
`SIO_ENABLE_CIRCULAR_QUEUEING = IOC_WS2 or 2;`
`SIO_FIND_ROUTE = IOC_OUT or IOC_WS2 or 3;`
`SIO_FLUSH = IOC_WS2 or 4;`
`SIO_GET_BROADCAST_ADDRESS = IOC_OUT or IOC_WS2 or 5;`
`SIO_GET_EXTENSION_FUNCTION_POINTER = IOC_INOUT or IOC_WS2 or 6;`
`SIO_GET_QOS = IOC_INOUT or IOC_WS2 or 7;`
`SIO_GET_GROUP_QOS = IOC_INOUT or IOC_WS2 or 8;`
`SIO_MULTIPOINT_LOOPBACK = IOC_IN or IOC_WS2 or 9;`
`SIO_MULTICAST_SCOPE = IOC_IN or IOC_WS2 or 10;`
`SIO_SET_QOS = IOC_IN or IOC_WS2 or 11;`
`SIO_SET_GROUP_QOS = IOC_IN or IOC_WS2 or 12;`
`SIO_TRANSLATE_HANDLE = IOC_INOUT or IOC_WS2 or 13;`

WinSock 2 extension -- manifest constants for SIO_TRANSLATE_HANDLE ioctl
`TH_NETDEV = $00000001;`
`TH_TAPI = $00000002;`

WinSock 2 extension -- manifest constants for WSAJoinLeaf()

`JL_SENDER_ONLY = $01;`
`JL_RECEIVER_ONLY = $02;`
`JL_BOTH = $04;`

`NS_ALL = (0);`

`NS_SAP = (1);`
`NS_NDS = (2);`
`NS_PEER_BROWSE = (3);`

`NS_TCPIP_LOCAL = (10);`
`NS_TCPIP_HOSTS = (11);`
`NS_DNS = (12);`
`NS_NETBT = (13);`
`NS_WINS = (14);`

`NS_NBP = (20);`

`NS_MS = (30);`
`NS_STDA = (31);`
`NS_NTDS = (32);`

`NS_X500 = (40);`
`NS_NIS = (41);`
`NS_NISPLUS = (42);`

`NS_WRQ = (50);`

Resolution flags for WSAGetAddressByName() Note these are also used by the 1.1 API GetAddressByName, so leave them around.

`RES_UNUSED_1 = $00000001;`
`RES_FLUSH_CACHE = $00000002;`
`RES_SERVICE = $00000004;`

Well known value names for Service Types

`SERVICE_TYPE_VALUE_IPXPORTA = 'IpxSocket';`	SERVICE_TYPE_VALUE_IPXPORTW : PWideChar = 'IpxSocket';

`SERVICE_TYPE_VALUE_SAPIDA = 'SapId';`	SERVICE_TYPE_VALUE_SAPIDW : PWideChar = 'SapId';

`SERVICE_TYPE_VALUE_TCPPORTA = 'TcpPort';`	SERVICE_TYPE_VALUE_TCPPORTW : PWideChar = 'TcpPort';

`SERVICE_TYPE_VALUE_UDPPORTA = 'UdpPort';`	SERVICE_TYPE_VALUE_UDPPORTW : PWideChar = 'UdpPort';

`SERVICE_TYPE_VALUE_OBJECTIDA = 'ObjectId';`	SERVICE_TYPE_VALUE_OBJECTIDW : PWideChar = 'ObjectId';

`SERVICE_TYPE_VALUE_SAPID = SERVICE_TYPE_VALUE_SAPIDA;`
`SERVICE_TYPE_VALUE_TCPPORT = SERVICE_TYPE_VALUE_TCPPORTA;`
`SERVICE_TYPE_VALUE_UDPPORT = SERVICE_TYPE_VALUE_UDPPORTA;`
`SERVICE_TYPE_VALUE_OBJECTID = SERVICE_TYPE_VALUE_OBJECTIDA;`

WinSock 2 extension -- WSABUF and QOS struct, include qos.h to pull in FLOWSPEC and related definitions
`SERVICETYPE_NOTRAFFIC = $00000000;`	No data in this direction
`SERVICETYPE_BESTEFFORT = $00000001;`	Best Effort
`SERVICETYPE_CONTROLLEDLOAD = $00000002;`	Controlled Load
`SERVICETYPE_GUARANTEED = $00000003;`	Guaranteed
`SERVICETYPE_NETWORK_UNAVAILABLE = $00000004;`	Used to notify change to user
`SERVICETYPE_GENERAL_INFORMATION = $00000005;`	Corresponds to "General Parameters" defined by IntServ
`SERVICETYPE_NOCHANGE = $00000006;`	Used to indicate that the flow spec contains no change from any previous one

`SERVICE_IMMEDIATE_TRAFFIC_CONTROL = $80000000;`	To turn on immediate traffic control, OR this flag with the ServiceType field in teh FLOWSPEC

`LUP_DEEP = $0001;`
`LUP_CONTAINERS = $0002;`
`LUP_NOCONTAINERS = $0004;`
`LUP_NEAREST = $0008;`
`LUP_RETURN_NAME = $0010;`
`LUP_RETURN_TYPE = $0020;`
`LUP_RETURN_VERSION = $0040;`
`LUP_RETURN_COMMENT = $0080;`
`LUP_RETURN_ADDR = $0100;`
`LUP_RETURN_BLOB = $0200;`
`LUP_RETURN_ALIASES = $0400;`
`LUP_RETURN_QUERY_STRING = $0800;`
`LUP_RETURN_ALL = $0FF0;`
`LUP_RES_SERVICE = $8000;`

`LUP_FLUSHCACHE = $1000;`
`LUP_FLUSHPREVIOUS = $2000;`

Flags used in "hints" argument to getaddrinfo()
Note: Under Linux these values may be different

`AI_PASSIVE = GlobalSock.AI_PASSIVE;`
`AI_CANONNAME = GlobalSock.AI_CANONNAME;`
`AI_NUMERICHOST = GlobalSock.AI_NUMERICHOST;`
`AI_NUMERICSERV = GlobalSock.AI_NUMERICSERV;`
`AI_ALL = GlobalSock.AI_ALL;`
`AI_ADDRCONFIG = GlobalSock.AI_ADDRCONFIG;`
`AI_V4MAPPED = GlobalSock.AI_V4MAPPED;`
`AI_NON_AUTHORITATIVE = GlobalSock.AI_NON_AUTHORITATIVE;`
`AI_SECURE = GlobalSock.AI_SECURE;`
`AI_RETURN_PREFERRED_NAMES = GlobalSock.AI_RETURN_PREFERRED_NAMES;`
`AI_FQDN = GlobalSock.AI_FQDN;`
`AI_FILESERVER = GlobalSock.AI_FILESERVER;`

Flags for getnameinfo()

`NI_NOFQDN = GlobalSock.NI_NOFQDN;`
`NI_NUMERICHOST = GlobalSock.NI_NUMERICHOST;`
`NI_NAMEREQD = GlobalSock.NI_NAMEREQD;`
`NI_NUMERICSERV = GlobalSock.NI_NUMERICSERV;`
`NI_DGRAM = GlobalSock.NI_DGRAM;`

`NI_MAXHOST = GlobalSock.NI_MAXHOST;`
`NI_MAXSERV = GlobalSock.NI_MAXSERV;`

private
`FPrev:TWinsock2SocketThread;`
`FNext:TWinsock2SocketThread;`
protected

public
`property Prev:TWinsock2SocketThread read FPrev write FPrev;`
`property Next:TWinsock2SocketThread read FNext write FNext;`

public
`constructor Create;`
`destructor Destroy; override;`
private
`FLock:TCriticalSectionHandle;`

`FCount:Integer;`
`FFirst:TWinsock2SocketThread;`
`FLast:TWinsock2SocketThread;`

`function GetCount:Integer;`
`function GetFirst:TWinsock2SocketThread;`
`function GetLast:TWinsock2SocketThread;`
`function Link(AValue:TWinsock2SocketThread):Boolean;`
`function LinkEx(APrev,AValue:TWinsock2SocketThread):Boolean;`
`function Unlink(AValue:TWinsock2SocketThread):Boolean;`
protected
`function AcquireLock:Boolean;`
`function ReleaseLock:Boolean;`
public
`property Count:Integer read GetCount;`
`property First:TWinsock2SocketThread read GetFirst;`
`property Last:TWinsock2SocketThread read GetLast;`
`function Add(AValue:TWinsock2SocketThread):Boolean; virtual;`
`function Remove(AValue:TWinsock2SocketThread):Boolean; virtual;`
`function Insert(APrev,AValue:TWinsock2SocketThread):Boolean; virtual;`
`function Find(AValue:TWinsock2SocketThread):Boolean; virtual;`
`function FindByID(AThreadID:TThreadID):TWinsock2SocketThread; virtual;`
`procedure Clear; virtual;`

private
`FPrev:TWinsock2SocketBuffer;`
`FNext:TWinsock2SocketBuffer;`
protected

public
`property Prev:TWinsock2SocketBuffer read FPrev write FPrev;`
`property Next:TWinsock2SocketBuffer read FNext write FNext;`

Note: Raw Socket (SOCK_RAW) classes

public
`constructor Create;`
private
`FBufferSize:Integer;`
`FBroadcastEnabled:Boolean;`

`procedure SetSocketType(ASocketType:Integer); override;`
`procedure SetProtocol(AProtocol:Integer); override;`

`procedure SetBufferSize(ABufferSize:Integer);`
`procedure SetBroadcastEnabled(ABroadcastEnabled:Boolean);`
protected
`function RecvFromSocket(ASockAddr:PSockAddr; ASockLen:PInteger; AData:Pointer; ASize:Integer; var ACount:Integer):LongInt; virtual;`
`function SendToSocket(ASockAddr:PSockAddr; ASockLen:Integer; AData:Pointer; ASize:Integer; var ACount:Integer):LongInt; virtual;`

`function RecvFromSocketEx(AHandle:THandle; ASockAddr:PSockAddr; ASockLen:PInteger; AData:Pointer; ASize:Integer; var ACount:Integer; var AClosed:Boolean):LongInt; virtual;`
`function SendToSocketEx(AHandle:THandle; ASockAddr:PSockAddr; ASockLen:Integer; AData:Pointer; ASize:Integer; var ACount:Integer):LongInt; virtual;`
public
`property BufferSize:Integer read FBufferSize write SetBufferSize;`
`property BroadcastEnabled:Boolean read FBroadcastEnabled write SetBroadcastEnabled;`

`function RecvData(AData:Pointer; ACount:Integer):Integer; virtual;`
`function SendData(AData:Pointer; ACount:Integer):Integer; virtual;`
`function BroadcastData(APort:Word; AData:Pointer; ACount:Integer):Integer; virtual;`

`function RecvDataFrom(var AHost:String; AData:Pointer; ACount:Integer):Integer; virtual;`
`function SendDataTo(const AHost:String; AData:Pointer; ACount:Integer):Integer; virtual;`
`function BroadcastDataTo(const AAddress:String; AData:Pointer; ACount:Integer):Integer; virtual;`

Note: Stream Socket (SOCK_STREAM) classes

public
`constructor Create;`
private
`FUseNagle:Boolean;`
`FUseKeepalive:Boolean;`
`FSegmentSize:Integer;`
`FMaxSegmentSize:LongWord;`

`procedure SetSocketType(ASocketType:Integer); override;`
`procedure SetProtocol(AProtocol:Integer); override;`

`procedure SetBacklog(ABacklog:Integer);`

`procedure SetUseNagle(AUseNagle:Boolean);`
`procedure SetUseKeepalive(AUseKeepalive:Boolean);`
`procedure SetSegmentSize(ASegmentSize:Integer);`
`procedure SetMaxSegmentSize(AMaxSegmentSize:LongWord);`
protected
`FBacklog:Integer;`

`function Listen(ABacklog:Integer):LongInt;`

`function ReadFromSocket(AData:Pointer; ASize:Integer):LongInt;`
`function WriteToSocket(AData:Pointer; ASize:Integer):LongInt;`

`function ReadFromSocketEx(AData:Pointer; ASize:Integer; var ACount:Integer; var AClosed:Boolean; AWait:Boolean; ATimeout:Integer):LongInt;`
`function WriteToSocketEx(AData:Pointer; ASize:Integer; var ACount:Integer; AWait:Boolean; ATimeout:Integer):LongInt;`
public
`property Backlog:Integer read FBacklog write SetBacklog;`

`property UseNagle:Boolean read FUseNagle write SetUseNagle;`
`property UseKeepalive:Boolean read FUseKeepalive write SetUseKeepalive;`
`property SegmentSize:Integer read FSegmentSize write SetSegmentSize;`
`property MaxSegmentSize:LongWord read FMaxSegmentSize write SetMaxSegmentSize;`

`function ReadData(AData:Pointer; ACount:Integer):Boolean;`
`function WriteData(AData:Pointer; ACount:Integer):Boolean;`

`function ReadAvailable(AData:Pointer; ASize:Integer; var ACount:Integer; var AClosed:Boolean):Boolean;`

Note: Datagram Socket (SOCK_DGRAM) classes

public
`constructor Create;`
private
`FBufferSize:Integer;`
`FBroadcastEnabled:Boolean;`

`procedure SetSocketType(ASocketType:Integer); override;`
`procedure SetProtocol(AProtocol:Integer); override;`

`procedure SetBufferSize(ABufferSize:Integer);`
`procedure SetBroadcastEnabled(ABroadcastEnabled:Boolean);`
protected
`function RecvFromSocket(ASockAddr:PSockAddr; ASockLen:PInteger; AData:Pointer; ASize:Integer; var ACount:Integer):LongInt; virtual;`
`function SendToSocket(ASockAddr:PSockAddr; ASockLen:Integer; AData:Pointer; ASize:Integer; var ACount:Integer):LongInt; virtual;`

`function RecvFromSocketEx(AHandle:THandle; ASockAddr:PSockAddr; ASockLen:PInteger; AData:Pointer; ASize:Integer; var ACount:Integer; var AClosed:Boolean):LongInt; virtual;`
`function SendToSocketEx(AHandle:THandle; ASockAddr:PSockAddr; ASockLen:Integer; AData:Pointer; ASize:Integer; var ACount:Integer):LongInt; virtual;`
public
`property BufferSize:Integer read FBufferSize write SetBufferSize;`
`property BroadcastEnabled:Boolean read FBroadcastEnabled write SetBroadcastEnabled;`

`function RecvData(AData:Pointer; ACount:Integer):Integer; virtual;`
`function SendData(AData:Pointer; ACount:Integer):Integer; virtual;`
`function BroadcastData(AData:Pointer; ACount:Integer):Integer; virtual;`

`function RecvDataFrom(var AHost:String; var APort:Word; AData:Pointer; ACount:Integer):Integer; virtual;`
`function SendDataTo(const AHost:String; APort:Word; AData:Pointer; ACount:Integer):Integer; virtual;`
`function BroadcastDataTo(const AAddress:String; APort:Word; AData:Pointer; ACount:Integer):Integer; virtual;`

Note: Raw Client classes

public
`constructor Create;`
`destructor Destroy; override;`
private
`FUseConnect:Boolean;`

`FRemoteHost:String;`
`FRemoteAddress:String;`

`procedure SetUseConnect(AUseConnect:Boolean);`

`procedure SetFamily(AFamily:Integer); override;`

`procedure SetBoundAddress(const ABoundAddress:String); override;`

`procedure SetRemoteHost(const ARemoteHost:String);`
`procedure SetRemoteAddress(const ARemoteAddress:String);`
protected
`function AllocateFamily:Boolean; override;`

`function AllocateRemoteAddress(var ALength:Integer):PSockAddr;`
public
`property UseConnect:Boolean read FUseConnect write SetUseConnect;`

`property RemoteHost:String read FRemoteHost write SetRemoteHost;`
`property RemoteAddress:String read FRemoteAddress write SetRemoteAddress;`

`function Connect:Boolean; virtual;`
`function Disconnect:Boolean; override;`

Note: Stream Client classes

public
`constructor Create;`
`destructor Destroy; override;`
private
`FRemotePort:Word;`
`FRemoteHost:String;`
`FRemoteAddress:String;`

`procedure SetFamily(AFamily:Integer); override;`

`procedure SetBoundAddress(const ABoundAddress:String); override;`

`procedure SetRemotePort(ARemotePort:Word);`
`procedure SetRemoteHost(const ARemoteHost:String);`
`procedure SetRemoteAddress(const ARemoteAddress:String);`
protected
`function AllocateFamily:Boolean; override;`

`function AllocateRemoteAddress(var ALength:Integer):PSockAddr;`
public
`property RemotePort:Word read FRemotePort write SetRemotePort;`
`property RemoteHost:String read FRemoteHost write SetRemoteHost;`
`property RemoteAddress:String read FRemoteAddress write SetRemoteAddress;`

`function Connect:Boolean; virtual;`
`function ConnectEx:Boolean; virtual;`
`function Disconnect:Boolean; override;`

Note: Datagram Client classes

public
`constructor Create;`
`destructor Destroy; override;`
private
`FUseConnect:Boolean;`

`FRemotePort:Word;`
`FRemoteHost:String;`
`FRemoteAddress:String;`

`procedure SetUseConnect(AUseConnect:Boolean);`

`procedure SetFamily(AFamily:Integer); override;`

`procedure SetBoundAddress(const ABoundAddress:String); override;`

`procedure SetRemotePort(ARemotePort:Word);`
`procedure SetRemoteHost(const ARemoteHost:String);`
`procedure SetRemoteAddress(const ARemoteAddress:String);`
protected
`function AllocateFamily:Boolean; override;`

`function AllocateRemoteAddress(var ALength:Integer):PSockAddr;`
public
`property UseConnect:Boolean read FUseConnect write SetUseConnect;`

`property RemotePort:Word read FRemotePort write SetRemotePort;`
`property RemoteHost:String read FRemoteHost write SetRemoteHost;`
`property RemoteAddress:String read FRemoteAddress write SetRemoteAddress;`

`function Connect:Boolean; virtual;`
`function Disconnect:Boolean; override;`

Note: Stream Server classes

public
`constructor Create(AListener:TWinsock2TCPListener);`
private
`FPeerPort:Word;`
`FPeerAddress:String;`

`FListener:TWinsock2TCPListener;`
protected
`procedure SetHandle(AHandle:TSocket); virtual;`
`procedure SetLastError(ALastError:LongInt); virtual;`
public
`property PeerPort:Word read FPeerPort;`
`property PeerAddress:String read FPeerAddress;`
`property Listener:TWinsock2TCPListener read FListener;`

`function Disconnect:Boolean; override;`

public
`constructor Create(AServer:TWinsock2TCPServer);`
`destructor Destroy; override;`
private
`FData:TObject;`
`FServer:TWinsock2TCPServer;`
protected
`procedure AfterExecution; override;`
`procedure BeforeExecution; override;`
public
`property Data:TObject read FData write FData;`
`property Server:TWinsock2TCPServer read FServer;`

`procedure Execution; override;`

private
`procedure TerminateThread(AThread:TWinsock2TCPServerThread);`
protected

public
`procedure TerminateAll;`
`function Terminate(AThread:TWinsock2TCPServerThread):Boolean;`

Note: Datagrams Server classes

public
`constructor Create(AListener:TWinsock2UDPListener);`
`destructor Destroy; override;`
private
`FPeerPort:Word;`
`FPeerAddress:String;`

`FUseListener:Boolean;`
`FListener:TWinsock2UDPListener;`

`procedure SetUseListener(AUseListener:Boolean);`
protected
`FBuffer:TWinsock2UDPServerBuffer;`

`function GetData:Pointer; virtual;`
`function GetSize:Integer; virtual;`
`function GetCount:Integer; virtual;`

`procedure SetBuffer(ABuffer:TWinsock2UDPServerBuffer); virtual;`
`procedure SetLastError(ALastError:LongInt); virtual;`
public
`property PeerPort:Word read FPeerPort;`
`property PeerAddress:String read FPeerAddress;`
`property UseListener:Boolean read FUseListener write SetUseListener;`
`property Listener:TWinsock2UDPListener read FListener;`

`property Buffer:TWinsock2UDPServerBuffer read FBuffer;`

`property Data:Pointer read GetData;`
`property Size:Integer read GetSize;`
`property Count:Integer read GetCount;`

`function RecvData(AData:Pointer; ACount:Integer):Integer; override;`
`function SendData(AData:Pointer; ACount:Integer):Integer; override;`
`function BroadcastData(APort:Word; AData:Pointer; ACount:Integer):Integer; override;`

`function RecvDataFrom(var AHost:String; var APort:Word; AData:Pointer; ACount:Integer):Integer; override;`
`function SendDataTo(const AHost:String; APort:Word; AData:Pointer; ACount:Integer):Integer; override;`
`function BroadcastDataTo(const AAddress:String; APort:Word; AData:Pointer; ACount:Integer):Integer; override;`