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Attribute VB_Name = "WSKSOCK"
Option Explicit
Public Const FD_SETSIZE = 64
Type fd_set
fd_count As Integer
fd_array(FD_SETSIZE) As Integer
End Type
Type timeval
tv_sec As Long
tv_usec As Long
End Type
Type HostEnt
h_name As Long
h_aliases As Long
h_addrtype As Integer
h_length As Integer
h_addr_list As Long
End Type
Public Const hostent_size = 16
Type servent
s_name As Long
s_aliases As Long
s_port As Integer
s_proto As Long
End Type
Public Const servent_size = 14
Type protoent
p_name As Long
p_aliases As Long
p_proto As Integer
End Type
Public Const protoent_size = 10
Public Const IPPROTO_TCP = 6
Public Const IPPROTO_UDP = 17
Public Const INADDR_NONE = &HFFFFFFFF
Public Const INADDR_ANY = &H0
Type sockaddr
sin_family As Integer
sin_port As Integer
sin_addr As Long
sin_zero As String * 8
End Type
Public Const sockaddr_size = 16
Public saZero As sockaddr
Public Const WSA_DESCRIPTIONLEN = 256
Public Const WSA_DescriptionSize = WSA_DESCRIPTIONLEN + 1
Public Const WSA_SYS_STATUS_LEN = 128
Public Const WSA_SysStatusSize = WSA_SYS_STATUS_LEN + 1
Type WSADataType
wVersion As Integer
wHighVersion As Integer
szDescription As String * WSA_DescriptionSize
szSystemStatus As String * WSA_SysStatusSize
iMaxSockets As Integer
iMaxUdpDg As Integer
lpVendorInfo As Long
End Type
Public Const INVALID_SOCKET = -1
Public Const SOCKET_ERROR = -1
Public Const SOCK_STREAM = 1
Public Const SOCK_DGRAM = 2
Public Const MAXGETHOSTSTRUCT = 1024
Public Const AF_INET = 2
Public Const PF_INET = 2
Type LingerType
l_onoff As Integer
l_linger As Integer
End Type
' Windows Sockets definitions of regular Microsoft C error constants
Global Const WSAEINTR = 10004
Global Const WSAEBADF = 10009
Global Const WSAEACCES = 10013
Global Const WSAEFAULT = 10014
Global Const WSAEINVAL = 10022
Global Const WSAEMFILE = 10024
' Windows Sockets definitions of regular Berkeley error constants
Global Const WSAEWOULDBLOCK = 10035
Global Const WSAEINPROGRESS = 10036
Global Const WSAEALREADY = 10037
Global Const WSAENOTSOCK = 10038
Global Const WSAEDESTADDRREQ = 10039
Global Const WSAEMSGSIZE = 10040
Global Const WSAEPROTOTYPE = 10041
Global Const WSAENOPROTOOPT = 10042
Global Const WSAEPROTONOSUPPORT = 10043
Global Const WSAESOCKTNOSUPPORT = 10044
Global Const WSAEOPNOTSUPP = 10045
Global Const WSAEPFNOSUPPORT = 10046
Global Const WSAEAFNOSUPPORT = 10047
Global Const WSAEADDRINUSE = 10048
Global Const WSAEADDRNOTAVAIL = 10049
Global Const WSAENETDOWN = 10050
Global Const WSAENETUNREACH = 10051
Global Const WSAENETRESET = 10052
Global Const WSAECONNABORTED = 10053
Global Const WSAECONNRESET = 10054
Global Const WSAENOBUFS = 10055
Global Const WSAEISCONN = 10056
Global Const WSAENOTCONN = 10057
Global Const WSAESHUTDOWN = 10058
Global Const WSAETOOMANYREFS = 10059
Global Const WSAETIMEDOUT = 10060
Global Const WSAECONNREFUSED = 10061
Global Const WSAELOOP = 10062
Global Const WSAENAMETOOLONG = 10063
Global Const WSAEHOSTDOWN = 10064
Global Const WSAEHOSTUNREACH = 10065
Global Const WSAENOTEMPTY = 10066
Global Const WSAEPROCLIM = 10067
Global Const WSAEUSERS = 10068
Global Const WSAEDQUOT = 10069
Global Const WSAESTALE = 10070
Global Const WSAEREMOTE = 10071
' Extended Windows Sockets error constant definitions
Global Const WSASYSNOTREADY = 10091
Global Const WSAVERNOTSUPPORTED = 10092
Global Const WSANOTINITIALISED = 10093
Global Const WSAHOST_NOT_FOUND = 11001
Global Const WSATRY_AGAIN = 11002
Global Const WSANO_RECOVERY = 11003
Global Const WSANO_DATA = 11004
Global Const WSANO_ADDRESS = 11004
'---ioctl Constants
Public Const FIONREAD = &H8004667F
Public Const FIONBIO = &H8004667E
Public Const FIOASYNC = &H8004667D
'---Windows System Functions
Public Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Public Declare Sub MemCopy Lib "kernel32" Alias "RtlMoveMemory" (Dest As Any, Src As Any, ByVal cb&)
Public Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Any) As Long
'---async notification constants
Public Const SOL_SOCKET = &HFFFF&
Public Const SO_LINGER = &H80&
Public Const FD_READ = &H1&
Public Const FD_WRITE = &H2&
Public Const FD_OOB = &H4&
Public Const FD_ACCEPT = &H8&
Public Const FD_CONNECT = &H10&
Public Const FD_CLOSE = &H20&
'---SOCKET FUNCTIONS
Public Declare Function accept Lib "wsock32.dll" (ByVal s As Long, addr As sockaddr, addrlen As Long) As Long
Public Declare Function bind Lib "wsock32.dll" (ByVal s As Long, addr As sockaddr, ByVal namelen As Long) As Long
Public Declare Function closesocket Lib "wsock32.dll" (ByVal s As Long) As Long
Public Declare Function connect Lib "wsock32.dll" (ByVal s As Long, addr As sockaddr, ByVal namelen As Long) As Long
Public Declare Function ioctlsocket Lib "wsock32.dll" (ByVal s As Long, ByVal cmd As Long, argp As Long) As Long
Public Declare Function getpeername Lib "wsock32.dll" (ByVal s As Long, sName As sockaddr, namelen As Long) As Long
Public Declare Function getsockname Lib "wsock32.dll" (ByVal s As Long, sName As sockaddr, namelen As Long) As Long
Public Declare Function getsockopt Lib "wsock32.dll" (ByVal s As Long, ByVal level As Long, ByVal optname As Long, optval As Any, optlen As Long) As Long
Public Declare Function htonl Lib "wsock32.dll" (ByVal hostlong As Long) As Long
Public Declare Function htons Lib "wsock32.dll" (ByVal hostshort As Long) As Integer
Public Declare Function inet_addr Lib "wsock32.dll" (ByVal cp As String) As Long
Public Declare Function inet_ntoa Lib "wsock32.dll" (ByVal inn As Long) As Long
Public Declare Function listen Lib "wsock32.dll" (ByVal s As Long, ByVal backlog As Long) As Long
Public Declare Function ntohl Lib "wsock32.dll" (ByVal netlong As Long) As Long
Public Declare Function ntohs Lib "wsock32.dll" (ByVal netshort As Long) As Integer
Public Declare Function recv Lib "wsock32.dll" (ByVal s As Long, ByVal buf As Any, ByVal buflen As Long, ByVal flags As Long) As Long
Public Declare Function recvfrom Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal flags As Long, from As sockaddr, fromlen As Long) As Long
Public Declare Function ws_select Lib "wsock32.dll" Alias "select" (ByVal nfds As Long, readfds As fd_set, writefds As fd_set, exceptfds As fd_set, timeout As timeval) As Long
Public Declare Function send Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal flags As Long) As Long
Public Declare Function sendto Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal flags As Long, to_addr As sockaddr, ByVal tolen As Long) As Long
Public Declare Function setsockopt Lib "wsock32.dll" (ByVal s As Long, ByVal level As Long, ByVal optname As Long, optval As Any, ByVal optlen As Long) As Long
Public Declare Function ShutDown Lib "wsock32.dll" Alias "shutdown" (ByVal s As Long, ByVal how As Long) As Long
Public Declare Function socket Lib "wsock32.dll" (ByVal af As Long, ByVal s_type As Long, ByVal protocol As Long) As Long
'---DATABASE FUNCTIONS
Public Declare Function gethostbyaddr Lib "wsock32.dll" (addr As Long, ByVal addr_len As Long, ByVal addr_type As Long) As Long
Public Declare Function gethostbyname Lib "wsock32.dll" (ByVal host_name As String) As Long
Public Declare Function gethostname Lib "wsock32.dll" (ByVal host_name As String, ByVal namelen As Long) As Long
Public Declare Function getservbyport Lib "wsock32.dll" (ByVal Port As Long, ByVal proto As String) As Long
Public Declare Function getservbyname Lib "wsock32.dll" (ByVal serv_name As String, ByVal proto As String) As Long
Public Declare Function getprotobynumber Lib "wsock32.dll" (ByVal proto As Long) As Long
Public Declare Function getprotobyname Lib "wsock32.dll" (ByVal proto_name As String) As Long
'---WINDOWS EXTENSIONS
Public Declare Function WSAStartup Lib "wsock32.dll" (ByVal wVR As Long, lpWSAD As WSADataType) As Long
Public Declare Function WSACleanup Lib "wsock32.dll" () As Long
Public Declare Sub WSASetLastError Lib "wsock32.dll" (ByVal iError As Long)
Public Declare Function WSAGetLastError Lib "wsock32.dll" () As Long
Public Declare Function WSAIsBlocking Lib "wsock32.dll" () As Long
Public Declare Function WSAUnhookBlockingHook Lib "wsock32.dll" () As Long
Public Declare Function WSASetBlockingHook Lib "wsock32.dll" (ByVal lpBlockFunc As Long) As Long
Public Declare Function WSACancelBlockingCall Lib "wsock32.dll" () As Long
Public Declare Function WSAAsyncGetServByName Lib "wsock32.dll" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal serv_name As String, ByVal proto As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetServByPort Lib "wsock32.dll" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal Port As Long, ByVal proto As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetProtoByName Lib "wsock32.dll" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal proto_name As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetProtoByNumber Lib "wsock32.dll" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal number As Long, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetHostByName Lib "wsock32.dll" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal host_name As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetHostByAddr Lib "wsock32.dll" (ByVal hWnd As Long, ByVal wMsg As Long, addr As Long, ByVal addr_len As Long, ByVal addr_type As Long, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSACancelAsyncRequest Lib "wsock32.dll" (ByVal hAsyncTaskHandle As Long) As Long
Public Declare Function WSAAsyncSelect Lib "wsock32.dll" (ByVal s As Long, ByVal hWnd As Long, ByVal wMsg As Long, ByVal lEvent As Long) As Long
Public Declare Function WSARecvEx Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal flags As Long) As Long
'Public Declare Function InternetGetConnectedState _
Lib "wininet.dll" (ByRef lpdwFlags As Long, _
ByVal dwReserved As Long) As Long
Public MySocket%
Public SockReadBuffer$
Public Const WSA_NoName = "Unknown"
Public WSAStartedUp As Boolean 'Flag to keep track of whether winsock WSAStartup wascalled
Public Function WSAGetAsyncBufLen(ByVal lParam As Long) As Long
If (lParam And &HFFFF&) > &H7FFF Then
WSAGetAsyncBufLen = (lParam And &HFFFF&) - &H10000
Else
WSAGetAsyncBufLen = lParam And &HFFFF&
End If
End Function
Public Function WSAGetSelectEvent(ByVal lParam As Long) As Integer
If (lParam And &HFFFF&) > &H7FFF Then
WSAGetSelectEvent = (lParam And &HFFFF&) - &H10000
Else
WSAGetSelectEvent = lParam And &HFFFF&
End If
End Function
Public Function WSAGetAsyncError(ByVal lParam As Long) As Integer
WSAGetAsyncError = (lParam And &HFFFF0000) \ &H10000
End Function
Public Function AddrToIP(ByVal AddrOrIP$) As String
AddrToIP$ = GetAscIP(GetHostByNameAlias(AddrOrIP$))
End Function
Function ConnectSock(ByVal Host$, ByVal Port&, retIpPort$, ByVal HWndToMsg&, ByVal Async%) As Long
Dim s&, SelectOps&, dummy&
Dim sockin As sockaddr
SockReadBuffer$ = ""
sockin = saZero
sockin.sin_family = AF_INET
sockin.sin_port = htons(Port)
If sockin.sin_port = INVALID_SOCKET Then
ConnectSock = INVALID_SOCKET
Exit Function
End If
sockin.sin_addr = GetHostByNameAlias(Host$)
If sockin.sin_addr = INADDR_NONE Then
ConnectSock = INVALID_SOCKET
Exit Function
End If
retIpPort$ = GetAscIP$(sockin.sin_addr) & ":" & ntohs(sockin.sin_port)
s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)
If s < 0 Then
ConnectSock = INVALID_SOCKET
Exit Function
End If
If SetSockLinger(s, 1, 0) = SOCKET_ERROR Then
If s > 0 Then
dummy = closesocket(s)
End If
ConnectSock = INVALID_SOCKET
Exit Function
End If
If Not Async Then
If Not connect(s, sockin, sockaddr_size) = 0 Then
If s > 0 Then
dummy = closesocket(s)
End If
ConnectSock = INVALID_SOCKET
Exit Function
End If
If HWndToMsg <> 0 Then
SelectOps = FD_READ Or FD_WRITE Or FD_CONNECT Or FD_CLOSE
If WSAAsyncSelect(s, HWndToMsg, ByVal 1025, ByVal SelectOps) Then
If s > 0 Then
dummy = closesocket(s)
End If
ConnectSock = INVALID_SOCKET
Exit Function
End If
End If
Else
SelectOps = FD_READ Or FD_WRITE Or FD_CONNECT Or FD_CLOSE
If WSAAsyncSelect(s, HWndToMsg, ByVal 1025, ByVal SelectOps) Then
If s > 0 Then
dummy = closesocket(s)
End If
ConnectSock = INVALID_SOCKET
Exit Function
End If
If connect(s, sockin, sockaddr_size) <> -1 Then
If s > 0 Then
dummy = closesocket(s)
End If
ConnectSock = INVALID_SOCKET
Exit Function
End If
End If
ConnectSock = s
End Function
Public Function SetSockLinger(ByVal SockNum&, ByVal OnOff%, ByVal LingerTime%) As Long
Dim Linger As LingerType
Linger.l_onoff = OnOff
Linger.l_linger = LingerTime
If setsockopt(SockNum, SOL_SOCKET, SO_LINGER, Linger, 4) Then
Debug.Print "Error setting linger info: " & WSAGetLastError()
SetSockLinger = SOCKET_ERROR
Else
If getsockopt(SockNum, SOL_SOCKET, SO_LINGER, Linger, 4) Then
Debug.Print "Error getting linger info: " & WSAGetLastError()
SetSockLinger = SOCKET_ERROR
Else
Debug.Print "Linger is on if nonzero: "; Linger.l_onoff
Debug.Print "Linger time if linger is on: "; Linger.l_linger
End If
End If
End Function
Sub EndWinsock()
Dim ret&
If WSAIsBlocking() Then
ret = WSACancelBlockingCall()
End If
ret = WSACleanup()
WSAStartedUp = False
End Sub
Public Function GetAscIP(ByVal inn As Long) As String
Dim nStr&
Dim lpStr&
Dim retString$
retString = String(32, 0)
lpStr = inet_ntoa(inn)
If lpStr Then
nStr = lstrlen(lpStr)
If nStr > 32 Then nStr = 32
MemCopy ByVal retString, ByVal lpStr, nStr
retString = Left(retString, nStr)
GetAscIP = retString
Else
GetAscIP = "255.255.255.255"
End If
End Function
Public Function GetHostByAddress(ByVal addr As Long) As String
Dim phe&, ret&
Dim heDestHost As HostEnt
Dim HostName$
phe = gethostbyaddr(addr, 4, PF_INET)
If phe Then
MemCopy heDestHost, ByVal phe, hostent_size
HostName = String(256, 0)
MemCopy ByVal HostName, ByVal heDestHost.h_name, 256
GetHostByAddress = Left(HostName, InStr(HostName, Chr(0)) - 1)
Else
GetHostByAddress = WSA_NoName
End If
End Function
'returns IP as long, in network byte order
Public Function GetHostByNameAlias(ByVal HostName$) As Long
'Return IP address as a long, in network byte order
Dim phe&
Dim heDestHost As HostEnt
Dim addrList&
Dim retIP&
retIP = inet_addr(HostName$)
If retIP = INADDR_NONE Then
phe = gethostbyname(HostName$)
If phe <> 0 Then
MemCopy heDestHost, ByVal phe, hostent_size
MemCopy addrList, ByVal heDestHost.h_addr_list, 4
MemCopy retIP, ByVal addrList, heDestHost.h_length
Else
retIP = INADDR_NONE
End If
End If
GetHostByNameAlias = retIP
End Function
'returns your local machines name
Public Function GetLocalHostName() As String
Dim sName$
sName = String(256, 0)
Call gethostname(sName, 256)
' If gethostname(sName, 256) Then
' sName = WSA_NoName
' Else
If InStr(sName, Chr(0)) Then
sName = Left(sName, InStr(sName, Chr(0)) - 1)
End If
' End If
GetLocalHostName = sName
End Function
Public Function GetPeerAddress(ByVal s&) As String
Dim addrlen&
Dim sa As sockaddr
addrlen = sockaddr_size
If getpeername(s, sa, addrlen) Then
GetPeerAddress = ""
Else
GetPeerAddress = SockAddressToString(sa)
End If
End Function
Public Function GetPortFromString(ByVal PortStr$) As Long
'sometimes users provide ports outside the range of a VB
'integer, so this function returns an integer for a string
'just to keep an error from happening, it converts the
'number to a negative if needed
If Val(PortStr$) > 32767 Then
GetPortFromString = CInt(Val(PortStr$) - &H10000)
Else
GetPortFromString = Val(PortStr$)
End If
If Err Then GetPortFromString = 0
End Function
Function GetProtocolByName(ByVal protocol$) As Long
Dim tmpShort&
Dim ppe&
Dim peDestProt As protoent
ppe = getprotobyname(protocol)
If ppe Then
MemCopy peDestProt, ByVal ppe, protoent_size
GetProtocolByName = peDestProt.p_proto
Else
tmpShort = Val(protocol)
If tmpShort Then
GetProtocolByName = htons(tmpShort)
Else
GetProtocolByName = SOCKET_ERROR
End If
End If
End Function
Function GetServiceByName(ByVal service$, ByVal protocol$) As Long
Dim serv&
Dim pse&
Dim seDestServ As servent
pse = getservbyname(service, protocol)
If pse Then
MemCopy seDestServ, ByVal pse, servent_size
GetServiceByName = seDestServ.s_port
Else
serv = Val(service)
If serv Then
GetServiceByName = htons(serv)
Else
GetServiceByName = INVALID_SOCKET
End If
End If
End Function
Function GetSockAddress(ByVal s&) As String
Dim addrlen&
Dim ret&
Dim sa As sockaddr
Dim szRet$
szRet = String(32, 0)
addrlen = sockaddr_size
If getsockname(s, sa, addrlen) Then
GetSockAddress = ""
Else
GetSockAddress = SockAddressToString(sa)
End If
End Function
Function GetWSAErrorString(ByVal errnum&) As String
On Error Resume Next
Select Case errnum
Case 10004: GetWSAErrorString = "Interrupted system call."
Case 10009: GetWSAErrorString = "Bad file number."
Case 10013: GetWSAErrorString = "Permission Denied."
Case 10014: GetWSAErrorString = "Bad Address."
Case 10022: GetWSAErrorString = "Invalid Argument."
Case 10024: GetWSAErrorString = "Too many open files."
Case 10035: GetWSAErrorString = "Operation would block."
Case 10036: GetWSAErrorString = "Operation now in progress."
Case 10037: GetWSAErrorString = "Operation already in progress."
Case 10038: GetWSAErrorString = "Socket operation on nonsocket."
Case 10039: GetWSAErrorString = "Destination address required."
Case 10040: GetWSAErrorString = "Message too long."
Case 10041: GetWSAErrorString = "Protocol wrong type for socket."
Case 10042: GetWSAErrorString = "Protocol not available."
Case 10043: GetWSAErrorString = "Protocol not supported."
Case 10044: GetWSAErrorString = "Socket type not supported."
Case 10045: GetWSAErrorString = "Operation not supported on socket."
Case 10046: GetWSAErrorString = "Protocol family not supported."
Case 10047: GetWSAErrorString = "Address family not supported by protocol family."
Case 10048: GetWSAErrorString = "Address already in use."
Case 10049: GetWSAErrorString = "Can't assign requested address."
Case 10050: GetWSAErrorString = "Network is down."
Case 10051: GetWSAErrorString = "Network is unreachable."
Case 10052: GetWSAErrorString = "Network dropped connection."
Case 10053: GetWSAErrorString = "Software caused connection abort."
Case 10054: GetWSAErrorString = "Connection reset by peer."
Case 10055: GetWSAErrorString = "No buffer space available."
Case 10056: GetWSAErrorString = "Socket is already connected."
Case 10057: GetWSAErrorString = "Socket is not connected."
Case 10058: GetWSAErrorString = "Can't send after socket shutdown."
Case 10059: GetWSAErrorString = "Too many references: can't splice."
Case 10060: GetWSAErrorString = "Connection timed out."
Case 10061: GetWSAErrorString = "Connection refused."
Case 10062: GetWSAErrorString = "Too many levels of symbolic links."
Case 10063: GetWSAErrorString = "File name too long."
Case 10064: GetWSAErrorString = "Host is down."
Case 10065: GetWSAErrorString = "No route to host."
Case 10066: GetWSAErrorString = "Directory not empty."
Case 10067: GetWSAErrorString = "Too many processes."
Case 10068: GetWSAErrorString = "Too many users."
Case 10069: GetWSAErrorString = "Disk quota exceeded."
Case 10070: GetWSAErrorString = "Stale NFS file handle."
Case 10071: GetWSAErrorString = "Too many levels of remote in path."
Case 10091: GetWSAErrorString = "Network subsystem is unusable."
Case 10092: GetWSAErrorString = "Winsock DLL cannot support this application."
Case 10093: GetWSAErrorString = "Winsock not initialized."
Case 10101: GetWSAErrorString = "Disconnect."
Case 11001: GetWSAErrorString = "Host not found."
Case 11002: GetWSAErrorString = "Nonauthoritative host not found."
Case 11003: GetWSAErrorString = "Nonrecoverable error."
Case 11004: GetWSAErrorString = "Valid name, no data record of requested type."
Case Else:
End Select
End Function
Function IpToAddr(ByVal AddrOrIP$) As String
On Error Resume Next
IpToAddr = GetHostByAddress(GetHostByNameAlias(AddrOrIP$))
If Err Then IpToAddr = WSA_NoName
End Function
Function IrcGetAscIp(ByVal IPL$) As String
'this function is IRC specific, it expects a long ip stored in Network byte order, in a string
'the kind that would be parsed out of a DCC command string
On Error GoTo IrcGetAscIPError:
Dim lpStr&
Dim nStr&
Dim retString$
Dim inn&
If Val(IPL) > 2147483647 Then
inn = Val(IPL) - 4294967296#
Else
inn = Val(IPL)
End If
inn = ntohl(inn)
retString = String(32, 0)
lpStr = inet_ntoa(inn)
If lpStr = 0 Then
IrcGetAscIp = "0.0.0.0"
Exit Function
End If
nStr = lstrlen(lpStr)
If nStr > 32 Then nStr = 32
MemCopy ByVal retString, ByVal lpStr, nStr
retString = Left(retString, nStr)
IrcGetAscIp = retString
Exit Function
IrcGetAscIPError:
IrcGetAscIp = "0.0.0.0"
Exit Function
Resume
End Function
Function IrcGetLongIp(ByVal AscIp$) As String
'this function converts an ascii ip string into a long ip in network byte order
'and stick it in a string suitable for use in a DCC command.
On Error GoTo IrcGetLongIpError:
Dim inn&
inn = inet_addr(AscIp)
inn = htonl(inn)
If inn < 0 Then
IrcGetLongIp = CVar(inn + 4294967296#)
Exit Function
Else
IrcGetLongIp = CVar(inn)
Exit Function
End If
Exit Function
IrcGetLongIpError:
IrcGetLongIp = "0"
Exit Function
Resume
End Function
Public Function ListenForConnect(ByVal Port&, ByVal HWndToMsg&) As Long
Dim s&, dummy&
Dim SelectOps&
Dim sockin As sockaddr
sockin = saZero 'zero out the structure
sockin.sin_family = AF_INET
sockin.sin_port = htons(Port)
If sockin.sin_port = INVALID_SOCKET Then
ListenForConnect = INVALID_SOCKET
Exit Function
End If
sockin.sin_addr = htonl(INADDR_ANY)
If sockin.sin_addr = INADDR_NONE Then
ListenForConnect = INVALID_SOCKET
Exit Function
End If
s = socket(PF_INET, SOCK_STREAM, 0)
If s < 0 Then
ListenForConnect = INVALID_SOCKET
Exit Function
End If
If bind(s, sockin, sockaddr_size) Then
If s > 0 Then
dummy = closesocket(s)
End If
ListenForConnect = INVALID_SOCKET
Exit Function
End If
SelectOps = FD_READ Or FD_WRITE Or FD_CLOSE Or FD_ACCEPT
If WSAAsyncSelect(s, HWndToMsg, ByVal 1025, ByVal SelectOps) Then
If s > 0 Then
dummy = closesocket(s)
End If
ListenForConnect = SOCKET_ERROR
Exit Function
End If
If listen(s, 1) Then
If s > 0 Then
dummy = closesocket(s)
End If
ListenForConnect = INVALID_SOCKET
Exit Function
End If
ListenForConnect = s
End Function
Public Function SendData(ByVal s&, vMessage As Variant) As Long
Dim TheMsg() As Byte, sTemp$
TheMsg = ""
Select Case VarType(vMessage)
Case 8209 'byte array
sTemp = vMessage
TheMsg = sTemp
Case 8 'string, if we recieve a string, its assumed we are linemode
sTemp = StrConv(vMessage, vbFromUnicode)
Case Else
sTemp = CStr(vMessage)
sTemp = StrConv(vMessage, vbFromUnicode)
End Select
TheMsg = sTemp
If UBound(TheMsg) > -1 Then
SendData = send(s, TheMsg(0), UBound(TheMsg) + 1, 0)
End If
End Function
Public Function SockAddressToString(sa As sockaddr) As String
SockAddressToString = GetAscIP(sa.sin_addr) & ":" & ntohs(sa.sin_port)
End Function
Public Function StartWinsock(sDescription As String) As Boolean
Dim StartupData As WSADataType
If Not WSAStartedUp Then
If Not WSAStartup(&H101, StartupData) Then
WSAStartedUp = True
Debug.Print "wVersion="; StartupData.wVersion, "wHighVersion="; StartupData.wHighVersion
Debug.Print "If wVersion == 257 then everything is kewl"
Debug.Print "szDescription="; StartupData.szDescription
Debug.Print "szSystemStatus="; StartupData.szSystemStatus
Debug.Print "iMaxSockets="; StartupData.iMaxSockets, "iMaxUdpDg="; StartupData.iMaxUdpDg
sDescription = StartupData.szDescription
Else
WSAStartedUp = False
End If
End If
StartWinsock = WSAStartedUp
End Function
Public Function WSAMakeSelectReply(TheEvent%, TheError%) As Long
WSAMakeSelectReply = (TheError * &H10000) + (TheEvent And &HFFFF&)
End Function