CSocketMaster

Version: 1.3
Author: Copyright (c) 2004 by Emiliano Scavuzzo. Rosario, Argentina
Based on CSocket by Oleg Gdalevich
Subclassing based on WinSubHook2 by Paul Caton
Modified: 04/02/2005

Public:

Types:

Name	Description
SockState

Properties:

Name	Description
BytesReceived (get)
LocalPort (get)
LocalPort (let)
SocketHandle (get)
State (get)

Methods:

Name	Description
Accept
Bind
CloseSck
GetData
Listen
SendData
WndProc	This sub receives system messages from our WndProc. This sub MUST be the first on the class. DO NOT attempt to change its location or the code will CRASH.

Events:

Name	Description
CloseSck
Connect
ConnectionRequest
DataArrival
Error
SendComplete
SendProgress

Private:

CSocketMaster

Name	Description
Class_Initialize
Class_Terminate

Constants:

Name	Description
AF_INET
IPPROTO_TCP
SO_RCVBUF
SO_SNDBUF
SOCK_DGRAM
SOCK_STREAM
SOL_SOCKET

Types:

Name	Description
HOSTENT
sockaddr_in

Properties:

Name	Description
m_blnAcceptClass	If True then this is an Accept socket class
m_colWaitingResolutions	hosts waiting to be resolved by the system
m_enmState	socket state
m_lngLocalPort	local port
m_lngLocalPortBind	temporary local port
m_lngMemoryHandle	buffer memory handle
m_lngMemoryPointer	memory pointer used as buffer when resolving host
m_lngRecvBufferLen	winsock buffer size for receives
m_lngRemotePort	remote port
m_lngSendBufferLen	winsock buffer size for sends
m_lngSocketHandle	socket handle
m_strLocalIP	local IP
m_strRecvBuffer	local outgoing buffer
m_strRemoteHost	remote host
m_strRemoteHostIP	remote host ip
m_strSendBuffer	local incoming buffer
m_strTag	tag

Methods:

Name	Description
BindInternal	This function binds a socket to a local port and IP.
BuildArray	Returns a byte array of Size bytes filled with incoming buffer data.
CleanResolutionSystem	Clean resolution system that is in charge of asynchronous hostname resolutions.
ConnectToIP	Connect to a given 32 bits long ip
DestroySocket	Destroys the socket if it exists and unregisters it from control list.
FreeMemory	Free memory allocated by AllocateMemory
GetLocalInfo	Retrieves local info from a connected socket.
GetLocalPort	Returns local port from a connected or bound socket.
GetRemoteInfo	Retrieves remote info from a connected socket.
PostResolution	When the system resolves a hostname in asynchronous way we call this function to decide what to do with the result.
PostSocket	This procedure is called by the WindowProc callback function.
ProcessOptions	Retrieves some socket options. If it is an UDP socket also sets SO_BROADCAST option.
RecvData	This function is to retrieve data from the buffer. If we are using TCP then the data is retrieved from a local buffer (m_strRecvBuffer). If we are using UDP the data is retrieved from winsock buffer. This function returns number of bytes received, and move data from the buffer into the data argument. MOVE means that data will be removed from the buffer.
RecvDataToBuffer	This function retrieves data from the Winsock buffer into the class local buffer.
ResolveIfHostnameSync	Resolves a host (if necessary) in synchronous way If succeeds returns a 32 bits long IP, strHostIP = readable IP string and lngErrorCode = 0 If fails returns vbNull, strHostIP = vbNullString and lngErrorCode <> 0
SendBufferedData	Send buffered data if we are using TCP protocol.
SocketExists	Tries to create a socket if there isnt one yet and registers it to the control list.

Declarations:

Name	Description
api_accept (function)
api_bind (function)
api_closesocket (function)
api_connect (function)
api_gethostbyname (function)
api_getpeername (function)
api_getsockname (function)
api_htons (function)
api_inet_addr (function)
api_inet_ntoa (function)
api_listen (function)
api_ntohs (function)
api_recv (function)
api_send (function)
api_setsockopt (function)
api_socket (function)
api_WSACancelAsyncRequest (function)

Requirements

1.3