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* adds lnet subdir to fppkg for lnetpkg

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@ -8186,6 +8186,26 @@ utils/fppkg/fppkg.lpi svneol=native#text/plain
utils/fppkg/fppkg.pp svneol=native#text/plain utils/fppkg/fppkg.pp svneol=native#text/plain
utils/fppkg/fprepos.pp svneol=native#text/plain utils/fppkg/fprepos.pp svneol=native#text/plain
utils/fppkg/fpxmlrep.pp svneol=native#text/plain utils/fppkg/fpxmlrep.pp svneol=native#text/plain
utils/fppkg/lnet/LICENSE -text
utils/fppkg/lnet/fastcgi.pp svneol=native#text/plain
utils/fppkg/lnet/lcommon.pp svneol=native#text/plain
utils/fppkg/lnet/lcontainers.inc svneol=native#text/plain
utils/fppkg/lnet/lcontainersh.inc svneol=native#text/plain
utils/fppkg/lnet/lcontrolstack.pp svneol=native#text/plain
utils/fppkg/lnet/levents.pp svneol=native#text/plain
utils/fppkg/lnet/lftp.pp svneol=native#text/plain
utils/fppkg/lnet/lnet.pp svneol=native#text/plain
utils/fppkg/lnet/lstrbuffer.pp svneol=native#text/plain
utils/fppkg/lnet/ltelnet.pp svneol=native#text/plain
utils/fppkg/lnet/lwebserver.pp svneol=native#text/plain
utils/fppkg/lnet/openssl.pp -text svneol=unset#text/plain
utils/fppkg/lnet/sys/lepolleventer.inc svneol=native#text/plain
utils/fppkg/lnet/sys/lepolleventerh.inc svneol=native#text/plain
utils/fppkg/lnet/sys/lkqueueeventer.inc svneol=native#text/plain
utils/fppkg/lnet/sys/lkqueueeventerh.inc svneol=native#text/plain
utils/fppkg/lnet/sys/lspawnfcgiunix.inc svneol=native#text/plain
utils/fppkg/lnet/sys/lspawnfcgiwin.inc svneol=native#text/plain
utils/fppkg/lnet/sys/osunits.inc svneol=native#text/plain
utils/fppkg/pkgdownload.pp svneol=native#text/plain utils/fppkg/pkgdownload.pp svneol=native#text/plain
utils/fppkg/pkghandler.pp svneol=native#text/plain utils/fppkg/pkghandler.pp svneol=native#text/plain
utils/fppkg/pkglibcurl.pp svneol=native#text/plain utils/fppkg/pkglibcurl.pp svneol=native#text/plain

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unit fastcgi;
interface
{
Automatically converted by H2Pas 0.99.16 from fastcgi.h
The following command line parameters were used:
fastcgi.h
}
{$IFDEF FPC}
{$PACKRECORDS C}
{$ENDIF}
{
* Listening socket file number
}
const
FCGI_LISTENSOCK_FILENO = 0;
type
PFCGI_Header = ^FCGI_Header;
FCGI_Header = record
version : byte;
reqtype : byte;
requestIdB1 : byte;
requestIdB0 : byte;
contentLengthB1 : byte;
contentLengthB0 : byte;
paddingLength : byte;
reserved : byte;
end;
{
* Number of bytes in a FCGI_Header. Future versions of the protocol
* will not reduce this number.
}
const
FCGI_HEADER_LEN = 8;
{
* Value for version component of FCGI_Header
}
FCGI_VERSION_1 = 1;
{
* Values for type component of FCGI_Header
}
FCGI_BEGIN_REQUEST = 1;
FCGI_ABORT_REQUEST = 2;
FCGI_END_REQUEST = 3;
FCGI_PARAMS = 4;
FCGI_STDIN = 5;
FCGI_STDOUT = 6;
FCGI_STDERR = 7;
FCGI_DATA = 8;
FCGI_GET_VALUES = 9;
FCGI_GET_VALUES_RESULT = 10;
FCGI_UNKNOWN_TYPE = 11;
FCGI_MAXTYPE = FCGI_UNKNOWN_TYPE;
{
* Value for requestId component of FCGI_Header
}
FCGI_NULL_REQUEST_ID = 0;
type
FCGI_BeginRequestBody = record
roleB1 : byte;
roleB0 : byte;
flags : byte;
reserved : array[0..4] of byte;
end;
FCGI_BeginRequestRecord = record
header : FCGI_Header;
body : FCGI_BeginRequestBody;
end;
{
* Mask for flags component of FCGI_BeginRequestBody
}
const
FCGI_KEEP_CONN = 1;
{
* Values for role component of FCGI_BeginRequestBody
}
FCGI_RESPONDER = 1;
FCGI_AUTHORIZER = 2;
FCGI_FILTER = 3;
type
FCGI_EndRequestBody = record
appStatusB3 : byte;
appStatusB2 : byte;
appStatusB1 : byte;
appStatusB0 : byte;
protocolStatus : byte;
reserved : array[0..2] of byte;
end;
FCGI_EndRequestRecord = record
header : FCGI_Header;
body : FCGI_EndRequestBody;
end;
{
* Values for protocolStatus component of FCGI_EndRequestBody
}
const
FCGI_REQUEST_COMPLETE = 0;
FCGI_CANT_MPX_CONN = 1;
FCGI_OVERLOADED = 2;
FCGI_UNKNOWN_ROLE = 3;
{
* Variable names for FCGI_GET_VALUES / FCGI_GET_VALUES_RESULT records
}
FCGI_MAX_CONNS = 'FCGI_MAX_CONNS';
FCGI_MAX_REQS = 'FCGI_MAX_REQS';
FCGI_MPXS_CONNS = 'FCGI_MPXS_CONNS';
type
FCGI_UnknownTypeBody = record
_type : byte;
reserved : array[0..6] of byte;
end;
FCGI_UnknownTypeRecord = record
header : FCGI_Header;
body : FCGI_UnknownTypeBody;
end;
implementation
end.

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{ lCommon
CopyRight (C) 2004-2006 Ales Katona
This library is Free software; you can rediStribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is diStributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; withOut even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a Copy of the GNU Library General Public License
along with This library; if not, Write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
This license has been modified. See File LICENSE.ADDON for more inFormation.
Should you find these sources without a LICENSE File, please contact
me at ales@chello.sk
}
unit lCommon;
{$mode objfpc}{$H+}
{$inline on}
interface
uses
{$i sys/osunits.inc}
const
{$IFDEF WINDOWS}
SOL_SOCKET = $ffff;
LMSG = 0;
SOCKET_ERROR = WinSock2.SOCKET_ERROR;
{$ENDIF}
{$IFDEF OS2}
SOL_SOCKET = WinSock.SOL_SOCKET;
LMSG = 0;
SOCKET_ERROR = WinSock.SOCKET_ERROR;
{$ENDIF}
{$IFDEF NETWARE}
SOL_SOCKET = WinSock.SOL_SOCKET;
LMSG = 0;
SOCKET_ERROR = WinSock.SOCKET_ERROR;
{$ENDIF}
{$IFDEF UNIX}
INVALID_SOCKET = -1;
SOCKET_ERROR = -1;
{$IFDEF LINUX} // TODO: fix this crap, some don't even have MSD_NOSIGNAL
LMSG = MSG_NOSIGNAL;
{$ELSE}
LMSG = $20000; // FPC BUG in 2.0.4-
{$ENDIF}
{$ENDIF}
{ Default Values }
LDEFAULT_BACKLOG = 5;
BUFFER_SIZE = 65536;
{ Base functions }
{$IFNDEF UNIX}
function fpSelect(const nfds: Integer; const readfds, writefds, exceptfds: PFDSet;
const timeout: PTimeVal): Integer; inline;
function fpFD_ISSET(const Socket: Integer; var FDSet: TFDSet): Integer; inline;
procedure fpFD_SET(const Socket: Integer; var FDSet: TFDSet); inline;
procedure fpFD_ZERO(var FDSet: TFDSet); inline;
{$ENDIF}
{ DNS }
function GetHostName(const Address: string): string;
function GetHostIP(const Name: string): string;
function LStrError(const Ernum: Longint; const UseUTF8: Boolean = False): string;
function LSocketError: Longint;
function SetBlocking(const aHandle: Integer; const aValue: Boolean): Boolean;
function IsBlockError(const anError: Integer): Boolean; inline;
function TZSeconds: Integer; inline;
function StrToHostAddr(const IP: string): Cardinal; inline;
function HostAddrToStr(const Entry: Cardinal): string; inline;
function StrToNetAddr(const IP: string): Cardinal; inline;
function NetAddrToStr(const Entry: Cardinal): string; inline;
procedure FillAddressInfo(var aAddrInfo: TInetSockAddr; const aFamily: sa_family_t;
const Address: string; const aPort: Word); inline;
implementation
uses
lNet
{$IFNDEF UNIX}
{$IFDEF WINDOWS}
, Windows;
function LStrError(const Ernum: Longint; const UseUTF8: Boolean = False): string;
var
Tmp: string;
TmpW: widestring;
begin
Result:='[' + IntToStr(Ernum) + '] ';
if USEUtf8 then begin
SetLength(TmpW, 256);
SetLength(TmpW, FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM or
FORMAT_MESSAGE_IGNORE_INSERTS or
FORMAT_MESSAGE_ARGUMENT_ARRAY,
nil, Ernum, 0, @TmpW[1], 256, nil));
Tmp:=UTF8Encode(TmpW);
end else begin
SetLength(Tmp, 256);
SetLength(Tmp, FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM or
FORMAT_MESSAGE_IGNORE_INSERTS or
FORMAT_MESSAGE_ARGUMENT_ARRAY,
nil, Ernum, 0, @Tmp[1], 256, nil));
end;
if Length(Tmp) > 2 then
Delete(Tmp, Length(Tmp)-1, 2);
Result:=Tmp;
end;
function TZSeconds: integer; inline;
var
lInfo: Windows.TIME_ZONE_INFORMATION;
begin
{ lInfo.Bias is in minutes }
if Windows.GetTimeZoneInformation(@lInfo) <> $FFFFFFFF then
Result := lInfo.Bias * 60
else
Result := 0;
end;
{$ELSE}
; // uses
function LStrError(const Ernum: Longint; const UseUTF8: Boolean = False): string;
begin
Result:=IntToStr(Ernum); // TODO: fix for non-windows winsock users
end;
function TZSeconds: integer; inline;
begin
Result:=0; // todo: fix for non-windows non unix
end;
{$ENDIF}
function LSocketError: Longint;
begin
Result:=WSAGetLastError;
end;
function CleanError(const Ernum: Longint): Byte;
begin
Result:=Byte(Ernum - 10000);
end;
function fpSelect(const nfds: Integer; const readfds, writefds, exceptfds: PFDSet;
const timeout: PTimeVal): Longint; inline;
begin
Result:=Select(nfds, readfds, writefds, exceptfds, timeout);
end;
function fpFD_ISSET(const Socket: Longint; var FDSet: TFDSet): Integer; inline;
begin
Result:=0;
if FD_ISSET(Socket, FDSet) then
Result:=1;
end;
procedure fpFD_SET(const Socket: Longint; var FDSet: TFDSet); inline;
begin
FD_SET(Socket, FDSet);
end;
procedure fpFD_ZERO(var FDSet: TFDSet); inline;
begin
FD_ZERO(FDSet);
end;
function GetHostName(const Address: string): string;
var
HE: PHostEnt;
Addr: DWord;
begin
Result:='';
HE:=nil;
Addr:=inet_addr(PChar(Address));
HE:=gethostbyaddr(@Addr, SizeOf(Addr), AF_INET);
if Assigned(HE) then
Result:=HE^.h_name;
end;
function GetHostIP(const Name: string): string;
var
HE: PHostEnt;
P: PDWord;
begin
Result:='';
HE:=nil;
HE:=gethostbyname(PChar(Name));
if Assigned(HE) then begin
P:=Pointer(HE^.h_addr_list[0]);
Result:=NetAddrToStr(P^);
end;
end;
function SetBlocking(const aHandle: Integer; const aValue: Boolean): Boolean;
const
BlockAr: array[Boolean] of DWord = (1, 0);
var
opt: DWord;
begin
opt:=BlockAr[aValue];
if ioctlsocket(aHandle, FIONBIO, opt) = SOCKET_ERROR then
Exit(False);
Result:=True;
end;
function IsBlockError(const anError: Integer): Boolean; inline;
begin
Result:=anError = WSAEWOULDBLOCK;
end;
{$ELSE}
// unix
,Errors, UnixUtil;
function LStrError(const Ernum: Longint; const UseUTF8: Boolean = False): string;
begin
Result:='[' + IntToStr(Ernum) + '] ' + Errors.StrError(Ernum);
end;
function LSocketError: Longint;
begin
Result:=fpgeterrno;
end;
function CleanError(const Ernum: Longint): Longint; inline;
begin
Result:=Byte(Ernum);
end;
function GetHostName(const Address: string): string;
var
HE: THostEntry;
begin
Result:='';
if GetHostbyAddr(in_addr(StrToHostAddr(Address)), HE) then
Result:=HE.Name
else if ResolveHostbyAddr(in_addr(StrToHostAddr(Address)), HE) then
Result:=HE.Name;
end;
function GetHostIP(const Name: string): string;
var
HE: THostEntry;
begin
Result:='';
if GetHostByName(Name, HE) then
Result:=HostAddrToStr(Cardinal(HE.Addr)) // for localhost
else if ResolveHostByName(Name, HE) then
Result:=NetAddrToStr(Cardinal(HE.Addr));
end;
function SetBlocking(const aHandle: Integer; const aValue: Boolean): Boolean;
var
opt: cInt;
begin
opt:=fpfcntl(aHandle, F_GETFL);
if opt = SOCKET_ERROR then
Exit(False);
if aValue then
opt:=opt and not O_NONBLOCK
else
opt:=opt or O_NONBLOCK;
if fpfcntl(aHandle, F_SETFL, opt) = SOCKET_ERROR then
Exit(False);
Result:=True;
end;
function IsBlockError(const anError: Integer): Boolean; inline;
begin
Result:=(anError = ESysEWOULDBLOCK) or (anError = ESysENOBUFS);
end;
function TZSeconds: Integer; inline;
begin
Result := unixutil.TZSeconds;
end;
{$ENDIF}
function StrToHostAddr(const IP: string): Cardinal; inline;
begin
Result:=Cardinal(Sockets.StrToHostAddr(IP));
end;
function HostAddrToStr(const Entry: Cardinal): string; inline;
begin
Result:=Sockets.HostAddrToStr(in_addr(Entry));
end;
function StrToNetAddr(const IP: string): Cardinal; inline;
begin
Result:=Cardinal(Sockets.StrToNetAddr(IP));
end;
function NetAddrToStr(const Entry: Cardinal): string; inline;
begin
Result:=Sockets.NetAddrToStr(in_addr(Entry));
end;
procedure FillAddressInfo(var aAddrInfo: TInetSockAddr; const aFamily: sa_family_t;
const Address: string; const aPort: Word); inline;
begin
aAddrInfo.family:=AF_INET;
aAddrInfo.Port:=htons(aPort);
aAddrInfo.Addr:=StrToNetAddr(Address);
if (Address <> LADDR_ANY) and (aAddrInfo.Addr = 0) then
aAddrInfo.Addr:=StrToNetAddr(GetHostIP(Address));
end;
end.

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constructor TLFront.Create(const DefaultItem: __front_type__);
begin
FEmptyItem:=DefaultItem;
Clear;
end;
function TLFront.GetEmpty: Boolean;
begin
Result:=FCount = 0;
end;
function TLFront.First: __front_type__;
begin
Result:=FEmptyItem;
if FCount > 0 then
Result:=FItems[FBottom];
end;
function TLFront.Remove: __front_type__;
begin
Result:=FEmptyItem;
if FCount > 0 then begin
Result:=FItems[FBottom];
Dec(FCount);
Inc(FBottom);
if FBottom >= MAX_FRONT_ITEMS then
FBottom:=0;
end;
end;
function TLFront.Insert(const Value: __front_type__): Boolean;
begin
Result:=False;
if FCount < MAX_FRONT_ITEMS then begin
if FTop >= MAX_FRONT_ITEMS then
FTop:=0;
FItems[FTop]:=Value;
Inc(FCount);
Inc(FTop);
Result:=True;
end;
end;
procedure TLFront.Clear;
begin
FCount:=0;
FBottom:=0;
FTop:=0;
end;

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{ This include is a little a-la-templates hack
here are all the "default" type defines which you need to
redefine yourself after including this file. You only redefine those
which are used ofcourse }
{$ifndef __front_type__}
{$ERROR Undefined type for quasi-template!}
{$endif}
const
MAX_FRONT_ITEMS = 10;
type
TLFront = class // it's a queue ladies and gents
protected
FEmptyItem: __front_type__;
FItems: array[0..MAX_FRONT_ITEMS-1] of __front_type__;
FTop, FBottom: Integer;
FCount: Integer;
function GetEmpty: Boolean;
public
constructor Create(const DefaultItem: __front_type__);
function First: __front_type__;
function Remove: __front_type__;
function Insert(const Value: __front_type__): Boolean;
procedure Clear;
property Count: Integer read FCount;
property Empty: Boolean read GetEmpty;
end;

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{ Control stack
CopyRight (C) 2004-2006 Ales Katona
This library is Free software; you can rediStribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is diStributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; withOut even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a Copy of the GNU Library General Public License
along with This library; if not, Write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
This license has been modified. See File LICENSE for more inFormation.
Should you find these sources withOut a LICENSE File, please contact
me at ales@chello.sk
}
unit lControlStack;
{$mode objfpc}
interface
const
TL_CSLENGTH = 3;
type
TLOnFull = procedure of object;
TLControlStack = class
private
FItems: array of Char;
FIndex: Byte;
FOnFull: TLOnFull;
function GetFull: Boolean;
function GetItem(const i: Byte): Char;
procedure SetItem(const i: Byte; const Value: Char);
public
constructor Create;
procedure Clear;
procedure Push(const Value: Char);
property ItemIndex: Byte read FIndex;
property Items[i: Byte]: Char read GetItem write SetItem; default;
property Full: Boolean read GetFull;
property OnFull: TLOnFull read FOnFull write FOnFull;
end;
implementation
uses
lTelnet;
constructor TLControlStack.Create;
begin
FOnFull:=nil;
FIndex:=0;
SetLength(FItems, TL_CSLENGTH);
end;
function TLControlStack.GetFull: Boolean;
begin
Result:=False;
if FIndex >= TL_CSLENGTH then
Result:=True;
end;
function TLControlStack.GetItem(const i: Byte): Char;
begin
Result:=TS_NOP;
if i < TL_CSLENGTH then
Result:=FItems[i];
end;
procedure TLControlStack.SetItem(const i: Byte; const Value: Char);
begin
if i < TL_CSLENGTH then
FItems[i]:=Value;
end;
procedure TLControlStack.Clear;
begin
FIndex:=0;
end;
procedure TLControlStack.Push(const Value: Char);
begin
if FIndex < TL_CSLENGTH then begin
FItems[FIndex]:=Value;
Inc(FIndex);
if Full and Assigned(FOnFull) then
FOnFull;
end;
end;
end.

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{ lNet Events abstration
CopyRight (C) 2006 Ales Katona
This library is Free software; you can rediStribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is diStributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; withOut even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a Copy of the GNU Library General Public License
along with This library; if not, Write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
This license has been modified. See File LICENSE.ADDON for more inFormation.
Should you find these sources without a LICENSE File, please contact
me at ales@chello.sk
}
unit lEvents;
{$mode objfpc}{$H+}
{$inline on}
{$define nochoice} // let's presume we don't have "optimized" eventer
interface
uses
{$ifdef Linux}
{$undef nochoice} // undefine for all "Optimized" targets
Linux, Contnrs,
{$endif}
{$ifdef BSD}
{$undef nochoice}
BSD,
{$endif}
{$i sys/osunits.inc}
type
TLHandle = class;
TLEventer = class;
TLHandleEvent = procedure (aHandle: TLHandle) of object;
TLHandleErrorEvent = procedure (aHandle: TLHandle; const msg: string) of object;
TLEventerErrorCallback = procedure (const msg: string; Sender: TLEventer) of object;
TArrayP = array of Pointer;
{ TLHandle }
TLHandle = class(TObject)
protected
FHandle: THandle;
FEventer: TLEventer; // "queue holder"
FOnRead: TLHandleEvent;
FOnWrite: TLHandleEvent;
FOnError: TLHandleErrorEvent;
FIgnoreWrite: Boolean; // so we can do edge-triggered
FIgnoreRead: Boolean; // so we can do edge-triggered
FIgnoreError: Boolean; // so we can do edge-triggered
FDispose: Boolean; // will free in the after-cycle
FFreeing: Boolean; // used to see if it's in the "to be freed" list
FPrev: TLHandle;
FNext: TLHandle;
FFreeNext: TLHandle;
FUserData: Pointer;
FInternalData: Pointer;
procedure SetIgnoreError(const aValue: Boolean);
procedure SetIgnoreWrite(const aValue: Boolean);
procedure SetIgnoreRead(const aValue: Boolean);
public
constructor Create; virtual;
destructor Destroy; override;
procedure Free; virtual; // this is a trick
property Prev: TLHandle read FPrev write FPrev;
property Next: TLHandle read FNext write FNext;
property FreeNext: TLHandle read FFreeNext write FFreeNext;
property IgnoreWrite: Boolean read FIgnoreWrite write SetIgnoreWrite;
property IgnoreRead: Boolean read FIgnoreRead write SetIgnoreRead;
property IgnoreError: Boolean read FIgnoreError write SetIgnoreError;
property OnRead: TLHandleEvent read FOnRead write FOnRead;
property OnWrite: TLHandleEvent read FOnWrite write FOnWrite;
property OnError: TLHandleErrorEvent read FOnError write FOnError;
property UserData: Pointer read FUserData write FUserData;
property Dispose: Boolean read FDispose write FDispose;
property Handle: THandle read FHandle write FHandle;
property Eventer: TLEventer read FEventer;
end;
{ TLTimer }
{
TLTimer = class(TObject)
protected
FOnTimer: TNotifyEvent;
FInterval: TDateTime;
FTimeout: TDateTime;
FPeriodic: Boolean;
FEnabled: Boolean;
FNext: TLTimer;
function GetInterval: Integer;
procedure SetEnabled(NewEnabled: Boolean);
procedure SetInterval(NewInterval: Integer);
public
procedure CallAction;
property Enabled: Boolean read FEnabled write SetEnabled;
property Interval: Integer read GetInterval write SetInterval;
property Periodic: Boolean read FPeriodic write FPeriodic;
property OnTimer: TNotifyEvent read FOnTimer write FOnTimer;
end;
}
{ TLTimeoutManager }
{
TLSetTimeout = procedure(NewTimeout: DWord) of object;
TLTimeoutManager = class
protected
FFirst: TLTimer;
FLast: TLTimer;
FTimeout: DWord;
FSetTimeout: TLSetTimeout;
public
destructor Destroy; override;
procedure AddTimer(ATimer: TLTimer);
procedure RemoveTimer(ATimer: TLTimer);
procedure CallAction;
end;
}
{ TLEventer }
TLEventer = class
protected
FRoot: TLHandle;
FCount: Integer;
FOnError: TLEventerErrorCallback;
FReferences: Integer;
FFreeRoot: TLHandle; // the root of "free" list if any
FFreeIter: TLHandle; // the last of "free" list if any
FInLoop: Boolean;
function GetTimeout: DWord; virtual;
procedure SetTimeout(const Value: DWord); virtual;
function Bail(const msg: string; const Ernum: Integer): Boolean;
procedure AddForFree(aHandle: TLHandle);
procedure FreeHandles;
procedure HandleIgnoreError(aHandle: TLHandle); virtual;
procedure HandleIgnoreWrite(aHandle: TLHandle); virtual;
procedure HandleIgnoreRead(aHandle: TLHandle); virtual;
function GetInternalData(aHandle: TLHandle): Pointer;
procedure SetInternalData(aHandle: TLHandle; const aData: Pointer);
procedure SetHandleEventer(aHandle: TLHandle);
public
constructor Create; virtual;
destructor Destroy; override;
function AddHandle(aHandle: TLHandle): Boolean; virtual;
function CallAction: Boolean; virtual;
procedure RemoveHandle(aHandle: TLHandle); virtual;
procedure UnplugHandle(aHandle: TLHandle); virtual;
procedure LoadFromEventer(aEventer: TLEventer); virtual;
procedure Clear;
procedure AddRef;
procedure DeleteRef;
property Timeout: DWord read GetTimeout write SetTimeout;
property OnError: TLEventerErrorCallback read FOnError write FOnError;
property Count: Integer read FCount;
end;
TLEventerClass = class of TLEventer;
{ TLSelectEventer }
TLSelectEventer = class(TLEventer)
protected
FTimeout: TTimeVal;
FReadFDSet: TFDSet;
FWriteFDSet: TFDSet;
FErrorFDSet: TFDSet;
function GetTimeout: DWord; override;
procedure SetTimeout(const Value: DWord); override;
procedure ClearSets;
public
constructor Create; override;
function CallAction: Boolean; override;
end;
{$i sys/lkqueueeventerh.inc}
{$i sys/lepolleventerh.inc}
function BestEventerClass: TLEventerClass;
implementation
uses
lCommon;
{ TLHandle }
procedure TLHandle.SetIgnoreError(const aValue: Boolean);
begin
if FIgnoreError <> aValue then begin
FIgnoreError:=aValue;
if Assigned(FEventer) then
FEventer.HandleIgnoreError(Self);
end;
end;
procedure TLHandle.SetIgnoreWrite(const aValue: Boolean);
begin
if FIgnoreWrite <> aValue then begin
FIgnoreWrite:=aValue;
if Assigned(FEventer) then
FEventer.HandleIgnoreWrite(Self);
end;
end;
procedure TLHandle.SetIgnoreRead(const aValue: Boolean);
begin
if FIgnoreRead <> aValue then begin
FIgnoreRead:=aValue;
if Assigned(FEventer) then
FEventer.HandleIgnoreRead(Self);
end;
end;
constructor TLHandle.Create;
begin
FOnRead:=nil;
FOnWrite:=nil;
FOnError:=nil;
FUserData:=nil;
FEventer:=nil;
FPrev:=nil;
FNext:=nil;
FFreeNext:=nil;
FFreeing:=False;
FDispose:=False;
FIgnoreWrite:=False;
FIgnoreRead:=False;
FIgnoreError:=False;
end;
destructor TLHandle.Destroy;
begin
if Assigned(FEventer) then
FEventer.UnplugHandle(Self);
end;
procedure TLHandle.Free;
begin
if Assigned(FEventer) and FEventer.FInLoop then
FEventer.AddForFree(Self)
else
inherited Free;
end;
{ TLTimer }
{
function TLTimer.GetInterval: Integer;
begin
Result := Round(FInterval * MSecsPerDay);
end;
procedure TLTimer.SetEnabled(NewEnabled: integer);
begin
FTimeout := Now + Interval;
FEnabled := true;
end;
procedure TLTimer.SetInterval(const aValue: Integer);
begin
FInterval := AValue / MSecsPerDay;
end;
procedure TLTimer.CallAction;
begin
if FEnabled and Assigned(FOnTimer) and (Now - FStarted >= FInterval) then
begin
FOnTimer(Self);
if not FOneShot then
FStarted := Now
else
FEnabled := false;
end;
end;
}
{ TLEventer }
constructor TLEventer.Create;
begin
FRoot:=nil;
FFreeRoot:=nil;
FFreeIter:=nil;
FInLoop:=False;
FCount:=0;
FReferences:=1;
end;
destructor TLEventer.Destroy;
begin
Clear;
end;
function TLEventer.GetTimeout: DWord;
begin
Result:=0;
end;
procedure TLEventer.SetTimeout(const Value: DWord);
begin
end;
function TLEventer.Bail(const msg: string; const Ernum: Integer): Boolean;
begin
Result := False; // always false, substitute for caller's result
if Assigned(FOnError) then
FOnError(msg + ': ' + LStrError(Ernum), Self);
end;
procedure TLEventer.AddForFree(aHandle: TLHandle);
begin
if not aHandle.FFreeing then begin
aHandle.FFreeing:=True;
if not Assigned(FFreeIter) then begin
FFreeIter:=aHandle;
FFreeRoot:=aHandle;
end else begin
FFreeIter.FreeNext:=aHandle;
FFreeIter:=aHandle;
end;
end;
end;
procedure TLEventer.FreeHandles;
var
Temp, Temp2: TLHandle;
begin
Temp:=FFreeRoot;
while Assigned(Temp) do begin
Temp2:=Temp.FreeNext;
Temp.Free;
Temp:=Temp2;
end;
FFreeRoot:=nil;
FFreeIter:=nil;
end;
procedure TLEventer.HandleIgnoreError(aHandle: TLHandle);
begin
end;
procedure TLEventer.HandleIgnoreWrite(aHandle: TLHandle);
begin
end;
procedure TLEventer.HandleIgnoreRead(aHandle: TLHandle);
begin
end;
function TLEventer.GetInternalData(aHandle: TLHandle): Pointer;
begin
Result:=aHandle.FInternalData;
end;
procedure TLEventer.SetInternalData(aHandle: TLHandle; const aData: Pointer);
begin
aHandle.FInternalData:=aData;
end;
procedure TLEventer.SetHandleEventer(aHandle: TLHandle);
begin
aHandle.FEventer:=Self;
end;
function TLEventer.AddHandle(aHandle: TLHandle): Boolean;
begin
Result:=False;
if not Assigned(aHandle.FEventer) then begin
if not Assigned(FRoot) then begin
FRoot:=aHandle;
end else begin
if Assigned(FRoot.FNext) then begin
FRoot.FNext.FPrev:=aHandle;
aHandle.FNext:=FRoot.FNext;
end;
FRoot.FNext:=aHandle;
aHandle.FPrev:=FRoot;
end;
aHandle.FEventer:=Self;
Inc(FCount);
Result:=True;
end;
end;
function TLEventer.CallAction: Boolean;
begin
Result:=True;
// override in ancestor
end;
procedure TLEventer.RemoveHandle(aHandle: TLHandle);
begin
aHandle.Free;
end;
procedure TLEventer.UnplugHandle(aHandle: TLHandle);
begin
if aHandle.FEventer = Self then begin
aHandle.FEventer:=nil; // avoid recursive AV
if Assigned(aHandle.FPrev) then begin
aHandle.FPrev.FNext:=aHandle.FNext;
if Assigned(aHandle.FNext) then
aHandle.FNext.FPrev:=aHandle.FPrev;
end else if Assigned(aHandle.FNext) then begin
aHandle.FNext.FPrev:=aHandle.FPrev;
if aHandle = FRoot then
FRoot:=aHandle.FNext;
end else FRoot:=nil;
if FCount > 0 then
Dec(FCount);
end;
end;
procedure TLEventer.LoadFromEventer(aEventer: TLEventer);
begin
Clear;
FRoot:=aEventer.FRoot;
FOnError:=aEventer.FOnError;
end;
procedure TLEventer.Clear;
var
Temp1, Temp2: TLHandle;
begin
Temp1:=FRoot;
Temp2:=FRoot;
while Assigned(Temp2) do begin
Temp1:=Temp2;
Temp2:=Temp1.FNext;
Temp1.Free;
end;
FRoot:=nil;
end;
procedure TLEventer.AddRef;
begin
Inc(FReferences);
end;
procedure TLEventer.DeleteRef;
begin
if FReferences > 0 then
Dec(FReferences);
if FReferences = 0 then
Free;
end;
{ TLSelectEventer }
constructor TLSelectEventer.Create;
begin
inherited Create;
FTimeout.tv_sec:=0;
FTimeout.tv_usec:=0;
end;
function TLSelectEventer.GetTimeout: DWord;
begin
Result:=(FTimeout.tv_sec * 1000) + FTimeout.tv_usec;
end;
procedure TLSelectEventer.SetTimeout(const Value: DWord);
begin
FTimeout.tv_sec:=Value div 1000;
FTimeout.tv_usec:=Value mod 1000;
end;
procedure TLSelectEventer.ClearSets;
begin
fpFD_ZERO(FReadFDSet);
fpFD_ZERO(FWriteFDSet);
fpFD_ZERO(FErrorFDSet);
end;
function TLSelectEventer.CallAction: Boolean;
var
Temp, Temp2: TLHandle;
MaxHandle, n: Integer;
TempTime: TTimeVal;
begin
if Assigned(FRoot) then begin
FInLoop:=True;
Temp:=FRoot;
MaxHandle:=0;
ClearSets;
while Assigned(Temp) do begin
if (not Temp.FDispose ) // handle still valid
and ( (not Temp.IgnoreWrite) // check write or
or (not Temp.IgnoreRead ) // check read or
or (not Temp.IgnoreError)) // check for errors
then begin
if not Temp.IgnoreWrite then
fpFD_SET(Temp.FHandle, FWriteFDSet);
if not Temp.IgnoreRead then
fpFD_SET(Temp.FHandle, FReadFDSet);
if not Temp.IgnoreError then
fpFD_SET(Temp.FHandle, FErrorFDSet);
if Temp.FHandle > MaxHandle then
MaxHandle:=Temp.FHandle;
end;
Temp2:=Temp;
Temp:=Temp.FNext;
if Temp2.FDispose then
Temp2.Free;
end;
TempTime:=FTimeout;
n:=fpSelect(MaxHandle + 1, @FReadFDSet, @FWriteFDSet, @FErrorFDSet, @TempTime);
if n < 0 then
Bail('Error on select', LSocketError);
Result:=n > 0;
if Result then begin
Temp:=FRoot;
while Assigned(Temp) do begin
if not Temp.FDispose and (fpFD_ISSET(Temp.FHandle, FWriteFDSet) <> 0) then
if Assigned(Temp.FOnWrite) and not Temp.IgnoreWrite then
Temp.FOnWrite(Temp);
if not Temp.FDispose and (fpFD_ISSET(Temp.FHandle, FReadFDSet) <> 0) then
if Assigned(Temp.FOnRead) and not Temp.IgnoreRead then
Temp.FOnRead(Temp);
if not Temp.FDispose and (fpFD_ISSET(Temp.FHandle, FErrorFDSet) <> 0) then
if Assigned(Temp.FOnError) and not Temp.IgnoreError then
Temp.FOnError(Temp, 'Handle error' + LStrError(LSocketError));
Temp2:=Temp;
Temp:=Temp.FNext;
if Temp2.FDispose then
AddForFree(Temp2);
end;
end;
FInLoop:=False;
if Assigned(FFreeRoot) then
FreeHandles;
end;
end;
{$i sys/lkqueueeventer.inc}
{$i sys/lepolleventer.inc}
{$ifdef nochoice}
function BestEventerClass: TLEventerClass;
begin
Result:=TLSelectEventer;
end;
{$endif}
end.

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{ Efficient string buffer helper
Copyright (C) 2006 Micha Nelissen
This library is Free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is diStributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; withOut even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a Copy of the GNU Library General Public License
along with This library; if not, Write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
This license has been modified. See file LICENSE.ADDON for more information.
Should you find these sources without a LICENSE File, please contact
me at ales@chello.sk
}
unit lStrBuffer;
{$mode objfpc}{$h+}
interface
type
PStringBuffer = ^TStringBuffer;
TStringBuffer = record
Memory: pchar;
Pos: pchar;
end;
function InitStringBuffer(InitialSize: integer): TStringBuffer;
procedure AppendString(var ABuffer: TStringBuffer; const ASource: string); overload;
procedure AppendString(var ABuffer: TStringBuffer; const ASource: shortstring); overload;
procedure AppendString(var ABuffer: TStringBuffer; ASource: pointer; ALength: PtrUInt); overload;
procedure AppendString(var ABuffer: TStringBuffer; ASource: pchar); overload;
procedure AppendChar(var ABuffer: TStringBuffer; AChar: char);
implementation
function InitStringBuffer(InitialSize: integer): TStringBuffer;
begin
Result.Memory := GetMem(InitialSize);
Result.Pos := Result.Memory;
end;
procedure AppendString(var ABuffer: TStringBuffer; ASource: pointer; ALength: PtrUInt);
var
lPos, lSize: PtrUInt;
begin
if ALength = 0 then exit;
lPos := PtrUInt(ABuffer.Pos - ABuffer.Memory);
lSize := PtrUInt(MemSize(ABuffer.Memory));
{ reserve 2 extra spaces }
if lPos + ALength + 2 >= lSize then
begin
ReallocMem(ABuffer.Memory, lPos + ALength + lSize);
ABuffer.Pos := ABuffer.Memory + lPos;
end;
Move(ASource^, ABuffer.Pos^, ALength);
Inc(ABuffer.Pos, ALength);
end;
procedure AppendString(var ABuffer: TStringBuffer; ASource: pchar);
begin
if ASource = nil then exit;
AppendString(ABuffer, ASource, StrLen(ASource));
end;
procedure AppendString(var ABuffer: TStringBuffer; const ASource: shortstring);
begin
AppendString(ABuffer, @ASource[1], Length(ASource));
end;
procedure AppendString(var ABuffer: TStringBuffer; const ASource: string);
begin
AppendString(ABuffer, PChar(ASource), Length(ASource));
end;
procedure AppendChar(var ABuffer: TStringBuffer; AChar: char);
begin
ABuffer.Pos^ := AChar;
Inc(ABuffer.Pos);
end;
end.

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{ lTelnet CopyRight (C) 2004-2006 Ales Katona
This library is Free software; you can rediStribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is diStributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; withOut even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a Copy of the GNU Library General Public License
along with This library; if not, Write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
This license has been modified. See File LICENSE for more inFormation.
Should you find these sources withOut a LICENSE File, please contact
me at ales@chello.sk
}
unit lTelnet;
{$mode objfpc}{$H+}
//{$define debug}
interface
uses
Classes, lNet, lControlStack;
const
// Telnet printer signals
TS_NUL = #0;
TS_ECHO = #1;
TS_SGA = #3; // Surpass go-ahead
TS_BEL = #7;
TS_BS = #8;
TS_HT = #9;
TS_LF = #10;
TS_VT = #11;
TS_FF = #12;
TS_CR = #13;
// Telnet control signals
TS_NAWS = #31;
TS_DATA_MARK = #128;
TS_BREAK = #129;
TS_HYI = #133; // Hide Your Input
// Data types codes
TS_STDTELNET = #160;
TS_TRANSPARENT = #161;
TS_EBCDIC = #162;
// Control bytes
TS_SE = #240;
TS_NOP = #241;
TS_GA = #249; // go ahead currently ignored(full duplex)
TS_SB = #250;
TS_WILL = #251;
TS_WONT = #252;
TS_DO = #253;
TS_DONT = #254;
// Mother of all power
TS_IAC = #255;
type
TLTelnetClient = class;
TLTelnetControlChars = set of Char;
TLHowEnum = (TE_WILL = 251, TE_WONT, TE_DO, TE_DONW);
{ TLTelnet }
TLTelnet = class(TLComponent, ILDirect)
protected
FStack: TLControlStack;
FConnection: TLTcp;
FPossible: TLTelnetControlChars;
FActive: TLTelnetControlChars;
FOutput: TMemoryStream;
FOperation: Char;
FCommandCharIndex: Byte;
FOnReceive: TLSocketEvent;
FOnConnect: TLSocketEvent;
FOnDisconnect: TLSocketEvent;
FOnError: TLSocketErrorEvent;
FCommandArgs: string[3];
FOrders: TLTelnetControlChars;
FConnected: Boolean;
function Question(const Command: Char; const Value: Boolean): Char;
function GetTimeout: DWord;
procedure SetTimeout(const Value: DWord);
function GetSocketClass: TLSocketClass;
procedure SetSocketClass(Value: TLSocketClass);
procedure StackFull;
procedure DoubleIAC(var s: string);
procedure TelnetParse(const msg: string);
procedure React(const Operation, Command: Char); virtual; abstract;
procedure SendCommand(const Command: Char; const Value: Boolean); virtual; abstract;
public
constructor Create(aOwner: TComponent); override;
destructor Destroy; override;
function Get(var aData; const aSize: Integer; aSocket: TLSocket = nil): Integer; virtual; abstract;
function GetMessage(out msg: string; aSocket: TLSocket = nil): Integer; virtual; abstract;
function Send(const aData; const aSize: Integer; aSocket: TLSocket = nil): Integer; virtual; abstract;
function SendMessage(const msg: string; aSocket: TLSocket = nil): Integer; virtual; abstract;
function OptionIsSet(const Option: Char): Boolean;
function RegisterOption(const aOption: Char; const aCommand: Boolean): Boolean;
procedure SetOption(const Option: Char);
procedure UnSetOption(const Option: Char);
procedure Disconnect; override;
procedure SendCommand(const aCommand: Char; const How: TLHowEnum); virtual;
public
property Output: TMemoryStream read FOutput;
property Connected: Boolean read FConnected;
property Timeout: DWord read GetTimeout write SetTimeout;
property OnReceive: TLSocketEvent read FOnReceive write FOnReceive;
property OnDisconnect: TLSocketEvent read FOnDisconnect write FOnDisconnect;
property OnConnect: TLSocketEvent read FOnConnect write FOnConnect;
property OnError: TLSocketErrorEvent read FOnError write FOnError;
property Connection: TLTCP read FConnection;
property SocketClass: TLSocketClass read GetSocketClass write SetSocketClass;
end;
{ TLTelnetClient }
{ TLTelnetClient }
TLTelnetClient = class(TLTelnet, ILClient)
protected
FLocalEcho: Boolean;
procedure OnEr(const msg: string; aSocket: TLSocket);
procedure OnDs(aSocket: TLSocket);
procedure OnRe(aSocket: TLSocket);
procedure OnCo(aSocket: TLSocket);
procedure React(const Operation, Command: Char); override;
procedure SendCommand(const Command: Char; const Value: Boolean); override;
public
constructor Create(aOwner: TComponent); override;
function Connect(const anAddress: string; const aPort: Word): Boolean;
function Connect: Boolean;
function Get(var aData; const aSize: Integer; aSocket: TLSocket = nil): Integer; override;
function GetMessage(out msg: string; aSocket: TLSocket = nil): Integer; override;
function Send(const aData; const aSize: Integer; aSocket: TLSocket = nil): Integer; override;
function SendMessage(const msg: string; aSocket: TLSocket = nil): Integer; override;
procedure CallAction; override;
public
property LocalEcho: Boolean read FLocalEcho write FLocalEcho;
end;
implementation
uses
SysUtils;
var
zz: Char;
TNames: array[Char] of string;
//*******************************TLTelnetClient********************************
constructor TLTelnet.Create(aOwner: TComponent);
begin
inherited Create(aOwner);
FConnection := TLTCP.Create(aOwner);
FOutput := TMemoryStream.Create;
FCommandCharIndex := 0;
FStack := TLControlStack.Create;
FStack.OnFull := @StackFull;
end;
destructor TLTelnet.Destroy;
begin
Disconnect;
FOutput.Free;
FConnection.Free;
FStack.Free;
inherited Destroy;
end;
function TLTelnet.Question(const Command: Char; const Value: Boolean): Char;
begin
Result := TS_NOP;
if Value then begin
if Command in FOrders then
Result := TS_DO
else
Result := TS_WILL;
end else begin
if Command in FOrders then
Result := TS_DONT
else
Result := TS_WONT;
end;
end;
function TLTelnet.GetSocketClass: TLSocketClass;
begin
Result := FConnection.SocketClass;
end;
function TLTelnet.GetTimeout: DWord;
begin
Result := FConnection.Timeout;
end;
procedure TLTelnet.SetSocketClass(Value: TLSocketClass);
begin
FConnection.SocketClass := Value;
end;
procedure TLTelnet.SetTimeout(const Value: DWord);
begin
FConnection.Timeout := Value;
end;
procedure TLTelnet.StackFull;
begin
{$ifdef debug}
Writeln('**STACKFULL**');
{$endif}
if FStack[1] = TS_IAC then
begin
FOutput.WriteByte(Byte(FStack[1]));
FOutput.WriteByte(Byte(FStack[2]));
end else React(FStack[1], FStack[2]);
FStack.Clear;
end;
procedure TLTelnet.DoubleIAC(var s: string);
var
i: Longint;
begin
i := 0;
if Length(s) > 0 then
while i < Length(s) do begin
Inc(i);
if s[i] = TS_IAC then begin
Insert(TS_IAC, s, i);
Inc(i, 2);
end;
end;
end;
procedure TLTelnet.TelnetParse(const msg: string);
var
i: Longint;
begin
for i := 1 to Length(msg) do
if (FStack.ItemIndex > 0) or (msg[i] = TS_IAC) then begin
if msg[i] = TS_GA then
FStack.Clear
else
FStack.Push(msg[i])
end else
FOutput.WriteByte(Byte(msg[i]));
end;
function TLTelnet.OptionIsSet(const Option: Char): Boolean;
begin
Result := False;
Result := Option in FActive;
end;
function TLTelnet.RegisterOption(const aOption: Char;
const aCommand: Boolean): Boolean;
begin
Result := False;
if not (aOption in FPossible) then begin
FPossible := FPossible + [aOption];
if aCommand then
FOrders := FOrders + [aOption];
Result := True;
end;
end;
procedure TLTelnet.SetOption(const Option: Char);
begin
if Option in FPossible then
SendCommand(Option, True);
end;
procedure TLTelnet.UnSetOption(const Option: Char);
begin
if Option in FPossible then
SendCommand(Option, False);
end;
procedure TLTelnet.Disconnect;
begin
FConnection.Disconnect;
FConnected := False;
end;
procedure TLTelnet.SendCommand(const aCommand: Char; const How: TLHowEnum);
begin
{$ifdef debug}
Writeln('**SENT** ', TNames[Char(How)], ' ', TNames[aCommand]);
{$endif}
FConnection.SendMessage(TS_IAC + Char(How) + aCommand);
end;
//****************************TLTelnetClient*****************************
constructor TLTelnetClient.Create(aOwner: TComponent);
begin
inherited Create(aOwner);
FConnection.OnError := @OnEr;
FConnection.OnDisconnect := @OnDs;
FConnection.OnReceive := @OnRe;
FConnection.OnConnect := @OnCo;
FConnected := False;
FPossible := [TS_ECHO, TS_HYI, TS_SGA];
FActive := [];
FOrders := [];
end;
procedure TLTelnetClient.OnEr(const msg: string; aSocket: TLSocket);
begin
if Assigned(FOnError) then
FOnError(msg, aSocket)
else
FOutput.Write(Pointer(msg)^, Length(msg));
end;
procedure TLTelnetClient.OnDs(aSocket: TLSocket);
begin
if Assigned(FOnDisconnect) then
FOnDisconnect(aSocket);
end;
procedure TLTelnetClient.OnRe(aSocket: TLSocket);
var
s: string;
begin
if aSocket.GetMessage(s) > 0 then begin
TelnetParse(s);
if Assigned(FOnReceive) then
FOnReceive(aSocket);
end;
end;
procedure TLTelnetClient.OnCo(aSocket: TLSocket);
begin
FConnected := True;
if Assigned(FOnConnect) then
FOnConnect(aSocket);
end;
procedure TLTelnetClient.React(const Operation, Command: Char);
procedure Accept(const Operation, Command: Char);
begin
FActive := FActive + [Command];
{$ifdef debug}
Writeln('**SENT** ', TNames[Operation], ' ', TNames[Command]);
{$endif}
FConnection.SendMessage(TS_IAC + Operation + Command);
end;
procedure Refuse(const Operation, Command: Char);
begin
FActive := FActive - [Command];
{$ifdef debug}
Writeln('**SENT** ', TNames[Operation], ' ', TNames[Command]);
{$endif}
FConnection.SendMessage(TS_IAC + Operation + Command);
end;
begin
{$ifdef debug}
Writeln('**GOT** ', TNames[Operation], ' ', TNames[Command]);
{$endif}
case Operation of
TS_DO : if Command in FPossible then Accept(TS_WILL, Command)
else Refuse(TS_WONT, Command);
TS_DONT : if Command in FPossible then Refuse(TS_WONT, Command);
TS_WILL : if Command in FPossible then FActive := FActive + [Command]
else Refuse(TS_DONT, Command);
TS_WONT : if Command in FPossible then FActive := FActive - [Command];
end;
end;
procedure TLTelnetClient.SendCommand(const Command: Char; const Value: Boolean);
begin
if FConnected then begin
{$ifdef debug}
Writeln('**SENT** ', TNames[Question(Command, Value)], ' ', TNames[Command]);
{$endif}
case Question(Command, Value) of
TS_WILL : FActive := FActive + [Command];
end;
FConnection.SendMessage(TS_IAC + Question(Command, Value) + Command);
end;
end;
function TLTelnetClient.Connect(const anAddress: string; const aPort: Word): Boolean;
begin
Result := FConnection.Connect(anAddress, aPort);
end;
function TLTelnetClient.Connect: Boolean;
begin
Result := FConnection.Connect(FHost, FPort);
end;
function TLTelnetClient.Get(var aData; const aSize: Integer; aSocket: TLSocket): Integer;
begin
Result := FOutput.Read(aData, aSize);
if FOutput.Position = FOutput.Size then
FOutput.Clear;
end;
function TLTelnetClient.GetMessage(out msg: string; aSocket: TLSocket): Integer;
begin
Result := 0;
msg := '';
if FOutput.Size > 0 then begin
FOutput.Position := 0;
SetLength(msg, FOutput.Size);
Result := FOutput.Read(PChar(msg)^, Length(msg));
FOutput.Clear;
end;
end;
function TLTelnetClient.Send(const aData; const aSize: Integer;
aSocket: TLSocket): Integer;
var
Tmp: string;
begin
{$ifdef debug}
Writeln('**SEND START** ');
{$endif}
Result := 0;
if aSize > 0 then begin
SetLength(Tmp, aSize);
Move(aData, PChar(Tmp)^, aSize);
DoubleIAC(Tmp);
if LocalEcho and (not OptionIsSet(TS_ECHO)) and (not OptionIsSet(TS_HYI)) then
FOutput.Write(PChar(Tmp)^, Length(Tmp));
Result := FConnection.SendMessage(Tmp);
end;
{$ifdef debug}
Writeln('**SEND END** ');
{$endif}
end;
function TLTelnetClient.SendMessage(const msg: string; aSocket: TLSocket
): Integer;
begin
Result := Send(PChar(msg)^, Length(msg));
end;
procedure TLTelnetClient.CallAction;
begin
FConnection.CallAction;
end;
initialization
for zz := #0 to #255 do
TNames[zz] := IntToStr(Ord(zz));
TNames[#1] := 'TS_ECHO';
TNames[#133] := 'TS_HYI';
TNames[#251] := 'TS_WILL';
TNames[#252] := 'TS_WONT';
TNames[#253] := 'TS_DO';
TNames[#254] := 'TS_DONT';
end.

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{% lepolleventer.inc included by levents.pas }
{$ifdef Linux}
{ TLEpollEventer }
const
BASE_SIZE = 100;
// bug in fpc 2.0.4-
EPOLL_CTL_ADD = 1;
EPOLL_CTL_DEL = 2;
EPOLL_CTL_MOD = 3;
EPOLLIN = $01; { The associated file is available for read(2) operations. }
EPOLLPRI = $02; { There is urgent data available for read(2) operations. }
EPOLLOUT = $04; { The associated file is available for write(2) operations. }
EPOLLERR = $08; { Error condition happened on the associated file descriptor. }
EPOLLHUP = $10; { Hang up happened on the associated file descriptor. }
EPOLLONESHOT = 1 shl 30;
EPOLLET = 1 shl 31; { Sets the Edge Triggered behaviour for the associated file descriptor. }
constructor TLEpollEventer.Create;
var
lEvent: TEpollEvent;
begin
inherited Create;
FFreeList:=TFPObjectList.Create;
Inflate;
FTimeout:=0;
FEpollFD:=epoll_create(BASE_SIZE);
FEpollReadFD:=epoll_create(BASE_SIZE);
FEpollMasterFD:=epoll_create(2);
if (FEPollFD < 0) or (FEpollReadFD < 0) or (FEpollMasterFD < 0) then
raise Exception.Create('Unable to create epoll');
lEvent.events:=EPOLLIN or EPOLLOUT or EPOLLPRI or EPOLLERR or EPOLLHUP or EPOLLET;
lEvent.data.fd:=FEpollFD;
if epoll_ctl(FEpollMasterFD, EPOLL_CTL_ADD, FEpollFD, @lEvent) < 0 then
raise Exception.Create('Unable to add FDs to master epoll FD');
lEvent.data.fd:=FEpollReadFD;
if epoll_ctl(FEpollMasterFD, EPOLL_CTL_ADD, FEpollReadFD, @lEvent) < 0 then
raise Exception.Create('Unable to add FDs to master epoll FD');
end;
destructor TLEpollEventer.Destroy;
begin
fpClose(FEpollFD);
FFreeList.Free;
inherited Destroy;
end;
function TLEpollEventer.GetTimeout: DWord;
begin
Result:=DWord(FTimeout);
end;
procedure TLEpollEventer.SetTimeout(const Value: DWord);
begin
FTimeout:=cInt(Value);
end;
procedure TLEpollEventer.HandleIgnoreRead(aHandle: TLHandle);
var
lEvent: TEpollEvent;
begin
lEvent.data.ptr:=aHandle;
lEvent.events:=EPOLLIN or EPOLLPRI or EPOLLHUP;
if not aHandle.IgnoreRead then begin
if epoll_ctl(FEpollReadFD, EPOLL_CTL_ADD, aHandle.Handle, @lEvent) < 0 then
Bail('Error modifying handle for reads', LSocketError);
end else begin
if epoll_ctl(FEpollReadFD, EPOLL_CTL_DEL, aHandle.Handle, @lEvent) < 0 then
Bail('Error modifying handle for reads', LSocketError);
end;
end;
procedure TLEpollEventer.Inflate;
var
OldLength: Integer;
begin
OldLength:=Length(FEvents);
if OldLength > 1 then
SetLength(FEvents, Sqr(OldLength))
else
SetLength(FEvents, BASE_SIZE);
SetLength(FEventsRead, Length(FEvents));
end;
function TLEpollEventer.AddHandle(aHandle: TLHandle): Boolean;
var
lEvent: TEpollEvent;
begin
Result:=inherited AddHandle(aHandle);
if Result then begin
Result:=False;
lEvent.events:=EPOLLET or EPOLLOUT or EPOLLERR;
lEvent.data.ptr:=aHandle;
if epoll_ctl(FEpollFD, EPOLL_CTL_ADD, aHandle.FHandle, @lEvent) < 0 then
Bail('Error adding handle to epoll', LSocketError);
lEvent.events:=EPOLLIN or EPOLLPRI or EPOLLHUP;
if not aHandle.IgnoreRead then begin
if epoll_ctl(FEpollReadFD, EPOLL_CTL_ADD, aHandle.FHandle, @lEvent) < 0 then
Bail('Error adding handle to epoll', LSocketError);
end;
if FCount > High(FEvents) then
Inflate;
end;
end;
function Max(const a, b: Integer): Integer; inline;
begin
if a > b then
Result:=a
else
Result:=b;
end;
function TLEpollEventer.CallAction: Boolean;
var
i, MasterChanges, Changes, ReadChanges: Integer;
Temp, TempRead: TLHandle;
MasterEvents: array[0..1] of TEpollEvent;
begin
Result:=False;
Changes:=0;
ReadChanges:=0;
MasterChanges:=epoll_wait(FEpollMasterFD, @MasterEvents[0], 2, FTimeout);
if MasterChanges > 0 then begin
for i:=0 to MasterChanges-1 do
if MasterEvents[i].Data.fd = FEpollFD then
Changes:=epoll_wait(FEpollFD, @FEvents[0], FCount, 0)
else
ReadChanges:=epoll_wait(FEpollReadFD, @FEventsRead[0], FCount, 0);
if (Changes < 0) or (ReadChanges < 0) then
Bail('Error on epoll: ', LSocketError)
else
Result:=Changes + ReadChanges > 0;
if Result then begin
FInLoop:=True;
for i:=0 to Max(Changes, ReadChanges)-1 do begin
Temp:=nil;
if i < Changes then begin
Temp:=TLHandle(FEvents[i].data.ptr);
if (not Temp.FDispose)
and (FEvents[i].events and EPOLLOUT = EPOLLOUT) then
if Assigned(Temp.FOnWrite) and not Temp.IgnoreWrite then
Temp.FOnWrite(Temp);
if Temp.FDispose then
AddForFree(Temp);
end; // writes
if i < ReadChanges then begin
TempRead:=TLHandle(FEventsRead[i].data.ptr);
if (not TempRead.FDispose)
and ((FEventsRead[i].events and EPOLLIN = EPOLLIN)
or (FEventsRead[i].events and EPOLLHUP = EPOLLHUP)
or (FEventsRead[i].events and EPOLLPRI = EPOLLPRI)) then
if Assigned(TempRead.FOnRead) and not TempRead.IgnoreRead then
TempRead.FOnRead(TempRead);
if TempRead.FDispose then
AddForFree(TempRead);
end; // reads
if i < Changes then begin
if not Assigned(Temp) then
Temp:=TLHandle(FEvents[i].data.ptr);
if (not Temp.FDispose)
and (FEvents[i].events and EPOLLERR = EPOLLERR) then
if Assigned(Temp.FOnError) and not Temp.IgnoreError then
Temp.FOnError(Temp, 'Handle error: ' + LStrError(LSocketError));
if Temp.FDispose then
AddForFree(Temp);
end; // errors
end;
FInLoop:=False;
if Assigned(FFreeRoot) then
FreeHandles;
end;
end else if MasterChanges < 0 then
Bail('Error on epoll: ', LSocketError);
end;
function BestEventerClass: TLEventerClass;
function GetVersion(s: string): Integer;
const
Numbers = ['0'..'9'];
var
i: Integer;
begin
s:=StringReplace(s, '.', '', [rfReplaceAll]);
i:=1;
while (i <= Length(s)) and (s[i] in Numbers) do
Inc(i);
s:=Copy(s, 1, i - 1);
if Length(s) < 4 then // varies OS to OS
Insert('0', s, 3); // in linux, last part can be > 10
Result:=StrToInt(s);
end;
{$ifndef DISABLE_EPOLL}
var
u: TUTSName;
{$endif}
begin
Result:=TLSelectEventer;
{$ifndef DISABLE_EPOLL}
if fpUname(u) = 0 then // check for 2.6+
if GetVersion(u.release) >= 2600 then
Result:=TLEpollEventer;
{$endif}
end;
{$endif} // Linux

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{% lepolleventerh.inc included by levents.pas }
{$ifdef Linux}
PEpollEvent = ^epoll_event;
TEpollEvent = epoll_event;
PEpollData = ^epoll_data;
TEpollData = epoll_data;
{ TLEpollEventer }
TLEpollEventer = class(TLEventer)
protected
FTimeout: cInt;
FEvents: array of TEpollEvent;
FEventsRead: array of TEpollEvent;
FEpollReadFD: THandle; // this one monitors LT style for READ
FEpollFD: THandle; // this one monitors ET style for other
FEpollMasterFD: THandle; // this one monitors the first two
FFreeList: TFPObjectList;
function GetTimeout: DWord; override;
procedure SetTimeout(const Value: DWord); override;
procedure HandleIgnoreRead(aHandle: TLHandle); override;
procedure Inflate;
public
constructor Create; override;
destructor Destroy; override;
function AddHandle(aHandle: TLHandle): Boolean; override;
function CallAction: Boolean; override;
end;
{$endif} // linux

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{% lkqueueeventer.inc included by levents.pas }
{$ifdef BSD}
{ TLKQueueEventer }
constructor TLKQueueEventer.Create;
begin
inherited Create;
Inflate;
FFreeSlot:=0;
FTimeout.tv_sec:=0;
FTimeout.tv_nsec:=0;
FQueue:=KQueue;
if FQueue < 0 then
raise Exception.Create('Unable to create kqueue');
end;
destructor TLKQueueEventer.Destroy;
begin
fpClose(FQueue);
inherited Destroy;
end;
function TLKQueueEventer.GetTimeout: DWord;
begin
Result:=FTimeout.tv_sec + FTimeout.tv_nsec * 1000 * 1000;
end;
procedure TLKQueueEventer.SetTimeout(const Value: DWord);
begin
FTimeout.tv_sec:=Value div 1000;
FTimeout.tv_nsec:=(Value mod 1000) * 1000;
end;
procedure TLKQueueEventer.HandleIgnoreRead(aHandle: TLHandle);
const
INBOOL: array[Boolean] of Integer = (EV_ENABLE, EV_DISABLE);
begin
EV_SET(@FChanges[FFreeSlot], aHandle.FHandle, EVFILT_READ,
INBOOL[aHandle.IgnoreRead], 0, 0, Pointer(aHandle));
Inc(FFreeSlot);
if FFreeSlot > Length(FChanges) then
Inflate;
end;
procedure TLKQueueEventer.Inflate;
const
BASE_SIZE = 100;
var
OldLength: Integer;
begin
OldLength:=Length(FChanges);
if OldLength > 1 then begin
SetLength(FChanges, Sqr(OldLength));
SetLength(FEvents, Sqr(OldLength));
end else begin
SetLength(FChanges, BASE_SIZE);
SetLength(FEvents, BASE_SIZE);
end;
end;
function TLKQueueEventer.AddHandle(aHandle: TLHandle): Boolean;
begin
Result:=inherited AddHandle(aHandle);
if FFreeSlot > Length(FChanges) then
Inflate;
EV_SET(@FChanges[FFreeSlot], aHandle.FHandle, EVFILT_WRITE,
EV_ADD or EV_CLEAR, 0, 0, Pointer(aHandle));
Inc(FFreeSlot);
if FFreeSlot > Length(FChanges) then
Inflate;
if not aHandle.FIgnoreRead then begin
EV_SET(@FChanges[FFreeSlot], aHandle.FHandle, EVFILT_READ,
EV_ADD, 0, 0, Pointer(aHandle));
Inc(FFreeSlot);
end;
end;
function TLKQueueEventer.CallAction: Boolean;
var
i, n: Integer;
Temp: TLHandle;
begin
n:=KEvent(FQueue, @FChanges[0], FFreeSlot,
@FEvents[0], Length(FEvents), @FTimeout);
FFreeSlot:=0;
if n < 0 then
Bail('Error on kqueue: ', LSocketError);
Result:=n > 0;
if Result then begin
FInLoop:=True;
for i:=0 to n-1 do begin
Temp:=TLHandle(FEvents[i].uData);
if (not Temp.FDispose)
and (FEvents[i].Filter = EVFILT_WRITE) then
if Assigned(Temp.FOnWrite) and not Temp.IgnoreWrite then
Temp.FOnWrite(Temp);
if (not Temp.FDispose)
and (FEvents[i].Filter = EVFILT_READ) then
if Assigned(Temp.FOnRead) and not Temp.IgnoreRead then
Temp.FOnRead(Temp);
if (not Temp.FDispose)
and ((FEvents[i].Flags and EV_ERROR) > 0) then
if Assigned(Temp.FOnError) and not Temp.IgnoreError then
Temp.FOnError(Temp, 'Handle error' + LStrError(LSocketError));
if Temp.FDispose then
AddForFree(Temp);
end;
FInLoop:=False;
if Assigned(FFreeRoot) then
FreeHandles;
end;
end;
function BestEventerClass: TLEventerClass;
begin
Result:=TLKQueueEventer;
end;
{$endif} // BSD

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{% lkqueueeventerh.inc included by levents.pas }
{$ifdef BSD}
{ TLKQueueEventer }
TLKQueueEventer = class(TLEventer)
protected
FTimeout: TTimeSpec;
FEvents: array of TKEvent;
FChanges: array of TKEvent;
FFreeSlot: Integer;
FQueue: THandle;
function GetTimeout: DWord; override;
procedure SetTimeout(const Value: DWord); override;
procedure HandleIgnoreRead(aHandle: TLHandle); override;
procedure Inflate;
public
constructor Create; override;
destructor Destroy; override;
function AddHandle(aHandle: TLHandle): Boolean; override;
function CallAction: Boolean; override;
end;
{$endif} // bsd

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uses
Classes, BaseUnix;
function SpawnFCGIProcess(App, Enviro: string; const aPort: Word): Integer;
var
TheSocket: TLSocket;
i: Integer;
SL: TStringList;
aNil: Pointer = nil;
ppEnv, ppArgs: ppChar;
begin
Result:=FpFork;
if Result = 0 then begin
ppArgs:=@aNil;
for i:=3 to 10000 do
CloseSocket(i);
if CloseSocket(StdInputHandle) <> 0 then
Exit(LSocketError);
TheSocket:=TLSocket.Create;
TheSocket.Blocking:=True;
if not TheSocket.Listen(aPort) then
Exit(LSocketError);
ppEnv:=@aNil;
if Length(Enviro) > 0 then begin
SL:=TStringList.Create;
repeat
i:=Pos(':', Enviro);
if i > 0 then begin
SL.Add(Copy(Enviro, 1, i - 1));
Delete(Enviro, 1, i);
end else
SL.Add(Enviro);
until i = 0;
GetMem(ppEnv, SizeOf(pChar) * (SL.Count + 1));
for i:=0 to SL.Count-1 do
ppEnv[i]:=pChar(SL[i]);
ppEnv[SL.Count]:=nil;
end;
FpExecve(pChar(App), ppArgs, ppEnv);
end else if Result > 0 then
Result:=0; // it went ok
end;

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function SpawnFCGIProcess(App, Enviro: string; const aPort: Word): Integer;
begin
Result:=0; // TODO: implement
end;

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{$ifdef WINDOWS}
Winsock2,
{$endif}
{$ifdef UNIX}
BaseUnix, NetDB,
{$endif}
{$ifdef NETWARE}
WinSock,
{$endif}
{$ifdef OS2}
WinSock,
{$endif}
SysUtils, Sockets;