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(*
Tux Commander - UEngines - Basic engines (abstract, local)
Copyright (C) 2007 Tomas Bzatek <tbzatek@users.sourceforge.net>
Check for updates on tuxcmd.sourceforge.net
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
unit UEngines;
interface
uses glib2, gdk2, Classes, ULibc;
const ERRException = -1;
ERRNoAccess = -2;
ERRCreateLink = -3;
ERRCopyMove = -4;
ERRRemove = -5;
ERRMkDIr = -6;
omRead = 0;
omWrite = 1;
omAppend = 2;
ConfDefaultDirCreationMask = 755;
type
PDataItem = ^TDataItem;
TDataItem = record
FName: PChar; // ANSI
FDisplayName: PChar; // always-valid UTF-8
LnkPointTo: PChar; // ANSI
ColumnData: array[0..9] of PChar;
Size: Int64;
UpDir: boolean;
Mode, UID, GID: Cardinal;
IsDir, IsLnk, IsBlk, IsChr, IsFIFO, IsSock, Selected, IsDotFile: boolean;
ModifyTime: time_t;
Icon: Pointer;
ItemColor: PGdkColor;
end;
PDataItemSL = ^TDataItemSL;
TDataItemSL = record
Stage1: boolean;
FName: PChar; // ANSI
FDisplayName: PChar; // always-valid UTF-8
LnkPointTo: PChar; // ANSI
ADestination: PChar;
Size, PackedSize: Int64;
Mode, UID, GID: Cardinal;
IsDir, IsLnk, ForceMove, IsOnRO, IsExecutable: boolean;
ModifyTime: time_t;
Level: word;
atime, mtime: Int64;
end;
TEngineProgressFunc = function (Sender: Pointer; BytesDone: Int64): boolean; cdecl; // Return False to break the copy process
TEngineErrorFunc = function (Sender: Pointer; ErrorType, ErrorNum: integer; FileName: string): boolean; cdecl; // Return
TEngineFileDes = pointer;
TPanelEngine = class
private
BreakProcessingType: integer;
public
ParentEngine: TPanelEngine;
LastHighlightItem, SavePath: string;
constructor Create;
destructor Destroy; override;
function GetListing(var List: TList; const AddDotFiles: boolean): integer; overload; virtual; abstract; // Returns errorcode
function GetListing(var List: TList; const AddDotFiles: boolean; APath: string): integer; overload; virtual; abstract; // Returns errorcode
function ChangeDir(const NewPath: string): integer; virtual; abstract; // Returns errorcode
function ExplicitChDir(const NewPath: string): integer; virtual; abstract; // Returns errorcode
function GetFileSystemSize: Int64; overload; virtual; abstract;
function GetFileSystemSize(const APath: string): Int64; overload; virtual; abstract;
function GetFileSystemFree: Int64; overload; virtual; abstract;
function GetFileSystemFree(const APath: string): Int64; overload; virtual; abstract;
function MakeDir(const NewDir: string): integer; virtual; abstract; // Returns errorcode
function GetDirSize(APath: string): Int64; virtual; abstract; // Returns size or 0 if fails
function Remove(APath: string): integer; virtual; abstract; // Returns errorcode
procedure FillDirFiles(APath: string; List: TList; ALevel: word); virtual; abstract;
function GetFileInfoSL(APath: string): PDataItemSL; virtual; abstract;
function FileExists(const FileName: string; const Use_lstat: boolean = False): Boolean; virtual; abstract;
function DirectoryExists(const FileName: string; const Use_lstat: boolean = False): Boolean; virtual; abstract;
function MakeSymLink(const NewFileName, PointTo: string): integer; virtual; abstract; // Returns errorcode
function Chmod(const FileName: string; const Mode: integer): integer; virtual; abstract; // Returns errorcode
function Chown(const FileName: string; const UID, GID: integer): integer; virtual; abstract; // Returns errorcode
procedure BreakProcessing(ProcessingKind: integer); virtual; abstract; // 1 = GetDirSize, 2 = GetListing
function RenameFile(SourceFile, DestFile: string): integer; virtual; abstract; // Returns errorcode
function ChangeTimes(APath: string; mtime, atime: Int64): integer; virtual; abstract; // Returns errorcode
procedure GetFileSystemInfo(const APath: string; var FSSize, FSFree: Int64; var FSName: string); virtual; abstract;
function OpenFile(const APath: string; Mode: integer; var Error: integer): TEngineFileDes; virtual; abstract; // Returns filedescriptor
function ReadFile(const FileDescriptor: TEngineFileDes; Buffer: Pointer; ABlockSize: integer; var Error: integer): integer; virtual; abstract; // Returns number of bytes read
function WriteFile(const FileDescriptor: TEngineFileDes; Buffer: Pointer; BytesCount: integer; var Error: integer): integer; virtual; abstract; // Returns number of bytes written
function CloseFile(const FileDescriptor: TEngineFileDes): integer; virtual; abstract; // Returns errorcode
function FileSeek(const FileDescriptor: TEngineFileDes; const AbsoluteOffset: Int64; var Error: integer): Int64; virtual; abstract; // Returns errorcode
function IsOnROMedium(const FileName: string): boolean; virtual; abstract;
function FileCanRun(const FileName: string): boolean; virtual; abstract;
function GetPath: string; virtual; abstract;
procedure SetPath(Value: string); virtual; abstract;
// Copy-related routines
function GetBlockSize: guint32; virtual; abstract;
procedure SetBlockSize(Value: guint32); virtual; abstract;
function CopyFileIn(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean; virtual; abstract; // returns True if file is successfully copied
function CopyFileOut(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean; virtual; abstract; // returns True if file is successfully copied
function IsOnSameFS(const Path1, Path2: string): boolean; virtual; abstract;
function TwoSameFiles(const Path1, Path2: string): boolean; virtual; abstract;
published
property Path: string read GetPath write SetPath;
property BlockSize: guint32 read GetBlockSize write SetBlockSize;
end;
TLocalTreeEngine = class(TPanelEngine)
private
FPath: string;
FBlockSize: guint32;
public
constructor Create;
destructor Destroy; override;
function GetListing(var List: TList; const AddDotFiles: boolean): integer; override;
function GetListing(var List: TList; const AddDotFiles: boolean; APath: string): integer; override;
function ChangeDir(const NewPath: string): integer; override;
function ExplicitChDir(const NewPath: string): integer; override;
function GetFileSystemSize: Int64; override;
function GetFileSystemSize(const APath: string): Int64; override;
function GetFileSystemFree: Int64; override;
function GetFileSystemFree(const APath: string): Int64; override;
function MakeDir(const NewDir: string): integer; override;
function GetDirSize(APath: string): Int64; override;
function Remove(APath: string): integer; override;
procedure FillDirFiles(APath: string; List: TList; ALevel: word); override;
function GetFileInfoSL(APath: string): PDataItemSL; override;
function FileExists(const FileName: string; const Use_lstat: boolean = False): Boolean; override;
function DirectoryExists(const FileName: string; const Use_lstat: boolean = False): Boolean; override;
function MakeSymLink(const NewFileName, PointTo: string): integer; override;
function Chmod(const FileName: string; const Mode: integer): integer; override;
function Chown(const FileName: string; const UID, GID: integer): integer; override;
procedure BreakProcessing(ProcessingKind: integer); override;
function RenameFile(SourceFile, DestFile: string): integer; override;
function ChangeTimes(APath: string; mtime, atime: Int64): integer; override;
procedure GetFileSystemInfo(const APath: string; var FSSize, FSFree: Int64; var FSName: string); override;
function OpenFile(const APath: string; Mode: integer; var Error: integer): TEngineFileDes; override;
function ReadFile(const FileDescriptor: TEngineFileDes; Buffer: Pointer; ABlockSize: integer; var Error: integer): integer; override;
function WriteFile(const FileDescriptor: TEngineFileDes; Buffer: Pointer; BytesCount: integer; var Error: integer): integer; override;
function CloseFile(const FileDescriptor: TEngineFileDes): integer; override;
function FileSeek(const FileDescriptor: TEngineFileDes; const AbsoluteOffset: Int64; var Error: integer): Int64; override;
function IsOnROMedium(const FileName: string): boolean; override;
function FileCanRun(const FileName: string): boolean; override;
function GetPath: string; override;
procedure SetPath(Value: string); override;
function GetBlockSize: guint32; override;
procedure SetBlockSize(Value: guint32); override;
function CopyFileIn(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean; override;
function CopyFileOut(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean; override;
function CopyFile(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean;
function IsOnSameFS(const Path1, Path2: string): boolean; override;
function TwoSameFiles(const Path1, Path2: string): boolean; override;
published
property Path;
property BlockSize;
end;
procedure FreeDataItem(DataItem: PDataItemSL); overload;
procedure FreeDataItem(DataItem: PDataItem); overload;
implementation
uses SysUtils, UCoreUtils, UGnome;
(********************************************************************************************************************************)
constructor TPanelEngine.Create;
begin
inherited Create;
BreakProcessingType := 0;
ParentEngine := nil; // By default it is a top-level engine (local)
LastHighlightItem := '';
end;
destructor TPanelEngine.Destroy;
begin
inherited Destroy;
end;
(********************************************************************************************************************************)
constructor TLocalTreeEngine.Create;
begin
inherited Create;
FPath := '/';
FBlockSize := 65536;
end;
destructor TLocalTreeEngine.Destroy;
begin
inherited Destroy;
end;
function TLocalTreeEngine.GetPath: string;
begin
Result := FPath;
end;
procedure TLocalTreeEngine.SetPath(Value: string);
begin
if Value <> FPath then begin
FPath := Value;
end;
end;
function TLocalTreeEngine.GetBlockSize: guint32;
begin
Result := FBlockSize;
end;
procedure TLocalTreeEngine.SetBlockSize(Value: guint32);
begin
if Value <> FBlockSize then begin
FBlockSize := Value;
end;
end;
function TLocalTreeEngine.GetListing(var List: TList; const AddDotFiles: boolean; APath: string): integer;
var Item : PDataItem;
Handle : PDIR;
DirEnt : PDirent64;
Buf : PChar;
// StatBuf : TStatBuf64;
StatBuf : Pstat64;
i: integer;
LnkBuf : array[0..1000] of char;
begin
Result := 0;
try
APath := IncludeTrailingPathDelimiter(APath);
if libc_chdir(PChar(APath)) <> 0 then begin
Result := errno;
DebugMsg(['*** TLocalTreeEngine.GetListing(APath=', APath, '): chdir error: ', strerror(Result)]);
Exit;
end;
Handle := opendir(PChar(APath));
if not Assigned(Handle) then begin
DebugMsg(['*** TLocalTreeEngine.GetListing(APath=', APath, '): opendir() handle == NULL: ', strerror(errno)]);
Result := ERRNoAccess;
Exit;
end;
repeat
// DebugMsg(['x1']);
DirEnt := readdir64(Handle);
// DebugMsg(['x2']);
if Assigned(DirEnt) and Assigned(PChar(@DirEnt^.d_name[0])) then begin
// DebugMsg(['x3']);
Buf := Pchar(@DirEnt^.d_name[0]);
// DebugMsg(['x4']);
if (Buf <> '.') and (Buf <> '..') and (DirEnt^.d_name[0] <> #0) and
(AddDotFiles or (Length(Buf) = 1) or ((Length(Buf) > 1) and (not ((Buf[0] = '.') and (Buf[1] <> '.'))))) then
begin
// DebugMsg(['x5']);
Item := malloc(SizeOf(TDataItem));
// DebugMsg(['x6']);
memset(Item, 0, SizeOf(TDataItem));
// DebugMsg(['x7']);
with Item^ do begin
// DebugMsg(['x8']);
FName := nil;
FDisplayName := nil;
LnkPointTo := nil;
for i := 0 to Length(ColumnData) - 1 do ColumnData[i] := nil;
FName := strdup(Buf);
FDisplayName := StrToUTF8(Buf);
// FDisplayName := strdup(Buf);
// DebugMsg(['x']);
StatBuf := malloc(sizeof(Tstat64));
memset(StatBuf, 0, sizeof(Tstat64));
// DebugMsg(['(II) TLocalTreeEngine.GetListing(APath=', APath, '): lstat(Buf = ', Buf, ')']);
if lstat64(Buf, StatBuf) <> 0 then begin
DebugMsg(['*** TLocalTreeEngine.GetListing(APath=', APath, '): Error reading file via lstat64: ', strerror(errno)]);
Continue;
end;
Mode := StatBuf^.st_mode;
IsDotFile := (Length(Buf) > 1) and (Buf[0] = '.') and (Buf[1] <> '.');
IsDir := __S_ISTYPE(StatBuf^.st_mode, __S_IFDIR);
IsLnk := __S_ISTYPE(StatBuf^.st_mode, __S_IFLNK);
IsBlk := __S_ISTYPE(StatBuf^.st_mode, __S_IFBLK);
IsChr := __S_ISTYPE(StatBuf^.st_mode, __S_IFCHR);
IsFIFO := __S_ISTYPE(StatBuf^.st_mode, __S_IFIFO);
IsSock := __S_ISTYPE(StatBuf^.st_mode, __S_IFSOCK);
ModifyTime := StatBuf^.st_mtime;
if StatBuf^.st_uid = 4294967295 then UID := getuid
else UID := StatBuf^.st_uid;
if StatBuf^.st_gid = 4294967295 then GID := getgid
else GID := StatBuf^.st_gid;
UpDir := False;
Selected := False;
// DebugMsg(['(II) TLocalTreeEngine.GetListing(APath=', APath, '): freeing StatBuf...']);
libc_free(StatBuf);
// DebugMsg([' done.']);
if IsLnk then begin
// DebugMsg(['aaaax']);
i := readlink(PChar(APath + String(Buf)), LnkBuf, SizeOf(LnkBuf));
if i > 0 then begin
LnkBuf[i] := #0;
LnkPointTo := malloc(i + 1);
memset(LnkPointTo, 0, i + 1);
LnkPointTo := strncpy(LnkPointTo, @LnkBuf[0], i);
end;
StatBuf := malloc(sizeof(Tstat64));
memset(StatBuf, 0, sizeof(Tstat64));
if stat64(Buf, StatBuf) = 0 then begin
IsDir := __S_ISTYPE(StatBuf^.st_mode, __S_IFDIR);
Mode := StatBuf^.st_mode;
end;
// DebugMsg(['(II) TLocalTreeEngine.GetListing(APath=', APath, '): freeing StatBuf...']);
libc_free(StatBuf);
// DebugMsg([' done.']);
end;
// DebugMsg(['xdffffffff']);
if not IsDir then Size := StatBuf^.st_size
else Size := -1;
// DebugMsg(['xxsdfsf']);
List.Add(Item);
// DebugMsg(['x1123']);
end;
end;
end;
until DirEnt = nil;
closedir(Handle);
except
on E: Exception do begin
Result := ERRException;
DebugMsg(['*** TLocalTreeEngine.GetListing(APath=', APath, ') -Exception: ', E.Message]);
Exit;
end;
end;
end;
function TLocalTreeEngine.GetListing(var List: TList; const AddDotFiles: boolean): integer;
begin
Result := GetListing(List, AddDotFiles, FPath);
end;
function TLocalTreeEngine.ChangeDir(const NewPath: string): integer;
var APath: string;
Handle : PDIR;
begin
try
APath := IncludeTrailingPathDelimiter(NewPath);
if libc_chdir(PChar(APath)) <> 0 then begin
Result := errno;
Exit;
end;
Handle := opendir(PChar(APath));
if not Assigned(Handle) then begin
Result := ERRNoAccess;
Exit;
end;
{ if not Assigned(readdir(Handle)) then begin
Result := ERRNoAccess;
Exit;
end; }
if closedir(Handle) <> 0 then begin
Result := ERRNoAccess;
Exit;
end;
Result := 0;
except
on E: Exception do begin
Result := ERRException;
DebugMsg(['*** TLocalTreeEngine.ChangeDir(APath=', APath, ') -Exception: ', E.Message]);
Exit;
end;
end;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.ExplicitChDir(const NewPath: string): integer;
begin
Result := libc_chdir(PChar(NewPath));
if Result <> 0 then Result := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.GetFileSystemSize(const APath: string): Int64;
var Stat: Pstatfs64;
begin
Result := 0;
try
Stat := malloc(sizeof(Tstatfs64));
memset(Stat, 0, sizeof(Tstatfs64));
if statfs64(PChar(APath), Stat) <> 0 then Exit;
Result := Stat^.f_bsize * Stat^.f_blocks;
libc_free(Stat);
except
on E: Exception do DebugMsg(['*** TLocalTreeEngine.GetFileSystemSize(APath=', APath, ') -Exception: ', E.Message]);
end;
end;
function TLocalTreeEngine.GetFileSystemSize: Int64;
begin
Result := GetFileSystemSize(FPath);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.GetFileSystemFree(const APath: string): Int64;
var Stat: Pstatfs64;
begin
Result := 0;
try
Stat := malloc(sizeof(Tstatfs64));
memset(Stat, 0, sizeof(Tstatfs64));
if statfs64(PChar(APath), Stat) <> 0 then Exit;
Result := Stat^.f_bsize * Stat^.f_bavail;
libc_free(Stat);
except
on E: Exception do DebugMsg(['*** TLocalTreeEngine.GetFileSystemFree(APath=', APath, ') -Exception: ', E.Message]);
end;
end;
function TLocalTreeEngine.GetFileSystemFree: Int64;
begin
Result := GetFileSystemFree(FPath);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.MakeDir(const NewDir: string): integer;
begin
// DebugMsg(['(II) TLocalTreeEngine.MakeDir: begin']);
Result := __mkdir(PChar(NewDir), OctalToAttr(ConfDefaultDirCreationMask));
// DebugMsg(['(II) TLocalTreeEngine.MakeDir: Result = ', Result]);
// if Result <> 0 then Result := errno;
if Result <> 0 then try
if Self.DirectoryExists(NewDir) or (g_mkdir_with_parents(PChar(NewDir), OctalToAttr(ConfDefaultDirCreationMask)) <> 0) {ForceDirectories(NewDir))}
then Result := errno
else Result := 0;
except
Result := -1;
DebugMsg(['(II) TLocalTreeEngine.MakeDir: Exception']);
end;
// DebugMsg(['(II) TLocalTreeEngine.MakeDir: end']);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.GetDirSize(APath: string): Int64;
function InternalGetDirSize(APath: string): Int64;
var Handle : PDIR;
DirEnt : PDirent64;
StatBuf : Pstat64;
begin
Result := 0;
try
if BreakProcessingType = 1 then Exit;
APath := IncludeTrailingPathDelimiter(APath);
if libc_chdir(PChar(APath)) <> 0 then begin
Result := 0;
Exit;
end;
Handle := OpenDir(PChar(APath));
if not Assigned(Handle) then begin
Result := 0;
Exit;
end;
repeat
DirEnt := readdir64(Handle);
if Assigned(DirEnt) and Assigned(PChar(@DirEnt^.d_name[0])) and (PChar(@DirEnt^.d_name[0]) <> '.') and
(PChar(@DirEnt^.d_name[0]) <> '..') and (DirEnt^.d_name[0] <> #0) then
begin
StatBuf := malloc(sizeof(Tstat64));
memset(StatBuf, 0, sizeof(Tstat64));
if lstat64(PChar(@DirEnt^.d_name[0]), StatBuf) <> 0 then Continue;
if __S_ISTYPE(StatBuf^.st_mode, __S_IFDIR) then begin
Inc(Result, InternalGetDirSize(APath + String(PChar(@DirEnt^.d_name[0]))));
libc_chdir(PChar(APath));
end else Inc(Result, StatBuf^.st_size);
libc_free(StatBuf);
end;
until DirEnt = nil;
closedir(Handle);
except
on E: Exception do begin
Result := 0;
DebugMsg(['*** TLocalTreeEngine.GetDirSize(APath=', APath, ') -Exception: ', E.Message]);
end;
end;
end;
begin
try
BreakProcessingType := 0;
Result := InternalGetDirSize(APath);
finally
BreakProcessingType := 0;
end;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.Remove(APath: string): integer;
begin
APath := ExcludeTrailingPathDelimiter(APath);
Result := libc_remove(PChar(APath));
if Result <> 0 then Result := errno;
end;
(********************************************************************************************************************************)
procedure TLocalTreeEngine.FillDirFiles(APath: string; List: TList; ALevel: word);
var Handle : PDIR;
DirEnt : PDirent64;
StatBuf_global : Pstat64;
Item: PDataItemSL;
i: integer;
LnkBuf : array[0..1000] of char;
FilesList: TList;
procedure AddEntry(FPath: string; AddCurrDirStage, AStage1: boolean);
var StatBuf_local : Pstat64;
begin
// DebugMsg(['TLocalTreeEngine.FillDirFiles: addding "', FPath, '"']);
FPath := ExcludeTrailingPathDelimiter(FPath);
StatBuf_local := malloc(sizeof(Tstat64));
memset(StatBuf_local, 0, sizeof(Tstat64));
if lstat64(PChar(FPath), StatBuf_local) <> 0 then begin
DebugMsg(['*** TLocalTreeEngine.FillDirFiles: Error reading file stat AddEntry("', FPath, '"): ', strerror(errno)]);
Exit;
end;
Item := malloc(SizeOf(TDataItemSL));
memset(Item, 0, SizeOf(TDataItemSL));
with Item^ do begin
FName := nil;
FDisplayName := nil;
LnkPointTo := nil;
ADestination := nil;
Stage1 := AStage1;
FName := strdup(PChar(FPath));
FDisplayName := StrToUTF8(PChar(FPath));
Size := StatBuf_local^.st_size;
PackedSize := -1;
Mode := StatBuf_local^.st_mode;
IsDir := __S_ISTYPE(StatBuf_local^.st_mode, __S_IFDIR);
IsLnk := __S_ISTYPE(StatBuf_local^.st_mode, __S_IFLNK);
IsExecutable := AddCurrDirStage or (StatBuf_local^.st_mode and S_IXUSR = S_IXUSR);
IsOnRO := IsOnROMedium(FPath);
ForceMove := False;
if StatBuf_local^.st_uid = 4294967295 then UID := getuid
else UID := StatBuf_local^.st_uid;
if StatBuf_local^.st_gid = 4294967295 then GID := getgid
else GID := StatBuf_local^.st_gid;
atime := StatBuf_local^.st_atime;
mtime := StatBuf_local^.st_mtime;
if IsLnk and AddCurrDirStage then DebugMsg(['*** Assertion failed AddEntry: Item^.IsLnk = True']);
if IsLnk and (not AddCurrDirStage) then begin
i := readlink(PChar(APath + String(PChar(@DirEnt^.d_name[0]))), LnkBuf, SizeOf(LnkBuf));
if i > 0 then begin
LnkBuf[i] := #0;
LnkPointTo := malloc(i + 1);
memset(LnkPointTo, 0, i + 1);
LnkPointTo := strncpy(LnkPointTo, @LnkBuf[0], i);
// StrLCopy(LnkPointTo, @LnkBuf[0], i);
end;
end;
ModifyTime := StatBuf_local^.st_mtime;
// DebugMsg([FormatDateTime('c', ModifyTime)]);
Level := ALevel + Ord(not AddCurrDirStage);
libc_free(StatBuf_local);
end;
if AddCurrDirStage then List.Add(Item)
else FilesList.Add(Item);
end;
begin
if not Assigned(List) then Exit;
try
AddEntry(APath, True, True);
FilesList := TList.Create;
APath := IncludeTrailingPathDelimiter(APath);
if libc_chdir(PChar(APath)) <> 0 then begin
DebugMsg(['*** TLocalTreeEngine.FillDirFiles: chdir to "', APath, '" failed: ', strerror(errno)]);
Exit;
end;
Handle := OpenDir(PChar(APath));
if Assigned(Handle) then
repeat
DirEnt := readdir64(Handle);
if Assigned(DirEnt) and Assigned(PChar(@DirEnt^.d_name[0])) and (PChar(@DirEnt^.d_name[0]) <> '.') and (PChar(@DirEnt^.d_name[0]) <> '..') then begin
StatBuf_global := malloc(sizeof(Tstat64));
memset(StatBuf_global, 0, sizeof(Tstat64));
if lstat64(PChar(@DirEnt^.d_name[0]), StatBuf_global) <> 0 then begin
DebugMsg(['*** TLocalTreeEngine.FillDirFiles: Error lstat-ing ("', PChar(@DirEnt^.d_name[0]), '"): ', strerror(errno)]);
Continue;
end;
if __S_ISTYPE(StatBuf_global^.st_mode, __S_IFDIR) then begin
FillDirFiles(APath + String(PChar(@DirEnt^.d_name[0])), List, ALevel + 1);
libc_chdir(PChar(APath));
end else AddEntry(APath + String(PChar(@DirEnt^.d_name[0])), False, True);
libc_free(StatBuf_global);
end;
until DirEnt = nil;
CloseDir(Handle);
if FilesList.Count > 0 then
for i := 0 to FilesList.Count - 1 do
List.Add(FilesList[i]);
FilesList.Free;
AddEntry(APath, True, False);
except
on E: Exception do DebugMsg(['*** TLocalTreeEngine.FillDirFiles(APath=', APath, ', Level=', ALevel, ') -Exception: ', E.Message]);
end;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.GetFileInfoSL(APath: string): PDataItemSL;
var StatBuf : Pstat64;
i : integer;
LnkBuf : array[0..1000] of char;
begin
Result := nil;
try
StatBuf := malloc(sizeof(Tstat64));
memset(StatBuf, 0, sizeof(Tstat64));
if lstat64(PChar(APath), StatBuf) <> 0 then begin
DebugMsg(['*** Error reading file stat GetFileInfoSL(lstat): ', strerror(errno)]);
Exit;
end;
// DebugMsg(['x1']);
Result := malloc(SizeOf(TDataItemSL));
memset(Result, 0, SizeOf(TDataItemSL));
// DebugMsg(['x1']);
with Result^ do begin
FName := nil;
FDisplayName := nil;
LnkPointTo := nil;
ADestination := nil;
Stage1 := True;
// DebugMsg(['x1']);
FName := strdup(PChar(APath));
FDisplayName := StrToUTF8(PChar(APath));
Size := StatBuf^.st_size;
PackedSize := -1;
Mode := StatBuf^.st_mode;
IsDir := __S_ISTYPE(StatBuf^.st_mode, __S_IFDIR);
IsLnk := __S_ISTYPE(StatBuf^.st_mode, __S_IFLNK);
// DebugMsg(['x1']);
IsExecutable := StatBuf^.st_mode and S_IXUSR = S_IXUSR;
// DebugMsg(['x2']);
IsOnRO := IsOnROMedium(APath);
// DebugMsg(['x2']);
ForceMove := False;
// DebugMsg(['x2']);
ModifyTime := StatBuf^.st_mtime;
// DebugMsg(['x2']);
if StatBuf^.st_uid = 4294967295 then UID := getuid
else UID := StatBuf^.st_uid;
if StatBuf^.st_gid = 4294967295 then GID := getgid
else GID := StatBuf^.st_gid;
atime := StatBuf^.st_atime;
mtime := StatBuf^.st_mtime;
// DebugMsg(['x1']);
libc_free(StatBuf);
// DebugMsg(['x1']);
Level := 1;
// DebugMsg(['x1']);
if IsLnk then begin
i := readlink(PChar(APath), LnkBuf, SizeOf(LnkBuf));
if i > 0 then begin
LnkBuf[i] := #0;
LnkPointTo := malloc(i + 1);
memset(LnkPointTo, 0, i + 1);
// StrLCopy(LnkPointTo, @LnkBuf[0], i);
LnkPointTo := strncpy(LnkPointTo, @LnkBuf[0], i);
end;
StatBuf := malloc(sizeof(Tstat64));
memset(StatBuf, 0, sizeof(Tstat64));
if stat64(PChar(APath), StatBuf) = 0 then begin
IsDir := __S_ISTYPE(StatBuf^.st_mode, __S_IFDIR);
Mode := StatBuf^.st_mode;
end;
libc_free(StatBuf);
end;
end;
// DebugMsg(['x1']);
except
on E: Exception do DebugMsg(['*** TLocalTreeEngine.GetFileInfoSL(APath=', APath, ') -Exception: ', E.Message]);
end;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.CopyFileIn(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean;
begin
Result := CopyFile(Sender, SourceFile, DestFile, ProgressFunc, ErrorFunc, Append);
end;
function TLocalTreeEngine.CopyFileOut(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean;
begin
Result := CopyFile(Sender, SourceFile, DestFile, ProgressFunc, ErrorFunc, Append);
end;
function TLocalTreeEngine.CopyFile(Sender: Pointer; SourceFile, DestFile: string; ProgressFunc: TEngineProgressFunc; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean;
var fsrc, fdest: PFILE;
BytesDone, BytesRead: Int64;
// offset: __off_t;
// Used due to sendfile bug while copying from NTFS and some 2.6.x kernels
function OldCopyRoutine: boolean;
var Buffer: Pointer;
BytesWritten: Int64;
Res: boolean;
begin
Result := False;
Res := True;
try
// DebugMsg(['*** Using old copy function due to bug in sendfile']);
// WriteLn('x1');
Buffer := malloc(FBlockSize);
// WriteLn('x2');
if Buffer = nil then begin
ErrorFunc(Sender, 1, errno, SourceFile); // Memory allocation failed
// libc_free(Buffer);
Exit;
end;
memset(Buffer, 0, FBlockSize);
// WriteLn('x3');
while feof(fsrc) = 0 do begin
// WriteLn('x4');
BytesRead := fread(Buffer, 1, FBlockSize, fsrc);
if (BytesRead < FBlockSize) and (feof(fsrc) = 0) then begin
Res := ErrorFunc(Sender, 6, errno, SourceFile); // Cannot read from source file
Break;
end;
// WriteLn('x5');
BytesWritten := fwrite(Buffer, 1, BytesRead, fdest);
if BytesWritten < BytesRead then begin
Res := ErrorFunc(Sender, 7, ferror(fdest), DestFile); // Cannot write to source file
Break;
end;
Inc(BytesDone, BytesRead);
// WriteLn('x6');
try
if Assigned(ProgressFunc) and (not ProgressFunc(Sender, BytesDone)) then begin
Res := False;
Break;
end;
except
on E: Exception do DebugMsg(['*** ProgressFunc ! Exception raised in TLocalTreeEngine.CopyFile.OldCopyRoutine(Sender=', DWord(Sender), ', SourceFile=', SourceFile, ', DestFile=', DestFile, '): (', E.ClassName, '): ', E.Message]);
end;
// WriteLn('x7');
end;
// WriteLn('x8');
libc_free(Buffer);
// WriteLn('x9');
Result := Res;
except
on E: Exception do DebugMsg(['*** Exception raised in TLocalTreeEngine.CopyFile.OldCopyRoutine(Sender=', DWord(Sender), ', SourceFile=', SourceFile, ', DestFile=', DestFile, '): (', E.ClassName, '): ', E.Message]);
end;
end;
(*
function NewCopyRoutine: boolean;
var Res: boolean;
StatBuf: Pstat64;
begin
try
Res := True;
repeat
DebugMsg(['Copy(sendfile): offset = ', offset, ', BytesDone = ', BytesDone, ', ftell(fsrc) = ', ftell(fsrc)]);
BytesRead := sendfile(fileno(fdest), fileno(fsrc), offset, FBlockSize);
if BytesRead = -1 then begin
if errno = EINVAL then begin
Result := OldCopyRoutine;
Exit;
end else Res := ErrorFunc(Sender, 6, errno, SourceFile); // Cannot read from source file
Break;
end;
Inc(BytesDone, BytesRead);
if Assigned(ProgressFunc) and (not ProgressFunc(Sender, BytesDone)) then begin
Res := False;
Break;
end;
until BytesRead < FBlockSize;
StatBuf := malloc(sizeof(Tstat64));
memset(StatBuf, 0, sizeof(Tstat64));
if lstat64(PChar(SourceFile), StatBuf) <> 0 then begin
DebugMsg(['*** TLocalTreeEngine.CopyFile.NewCopyRoutine(Sender=', DWord(Sender), ', SourceFile=', SourceFile, ', DestFile=', DestFile, '): Error reading file via lstat64: ', strerror(errno)]);
Res := ErrorFunc(Sender, 6, errno, SourceFile);
end else
if (BytesDone < StatBuf^.st_size) and Res then
Res := ErrorFunc(Sender, 6, errno, SourceFile);
libc_free(StatBuf);
Result := Res;
except
on E: Exception do DebugMsg(['*** Exception raised in TLocalTreeEngine.CopyFile.NewCopyRoutine(Sender=', DWord(Sender), ', SourceFile=', SourceFile, ', DestFile=', DestFile, '): (', E.ClassName, '): ', E.Message]);
end;
end;
*)
begin
Result := False;
try
fsrc := fopen64(PChar(SourceFile), 'r');
if fsrc = nil then begin
ErrorFunc(Sender, 2, errno, SourceFile); // Cannot open source file
Exit;
end;
if Append then fdest := fopen64(PChar(DestFile), 'a')
else fdest := fopen64(PChar(DestFile), 'w');
if fdest = nil then begin
fclose(fsrc);
ErrorFunc(Sender, 3, errno, DestFile); // Cannot open target file
Exit;
end;
BytesDone := 0;
// offset := 0;
Result := OldCopyRoutine;
if fclose(fdest) <> 0 then begin
fclose(fsrc);
ErrorFunc(Sender, 4, errno, DestFile); // Cannot close target file
Exit;
end;
if fclose(fsrc) <> 0 then begin
ErrorFunc(Sender, 5, errno, SourceFile); // Cannot close source file
Exit;
end;
except
on E: Exception do DebugMsg(['*** Exception raised in TLocalTreeEngine.CopyFile(Sender=', DWord(Sender), ', SourceFile=', SourceFile, ', DestFile=', DestFile, '): (', E.ClassName, '): ', E.Message]);
end;
// DebugMsg(['(II) TLocalTreeEngine.CopyFile: finished']);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.FileExists(const FileName: string; const Use_lstat: boolean = False): Boolean;
var st: Pstat64;
begin
st := malloc(sizeof(Tstat64));
memset(st, 0, sizeof(Tstat64));
if Use_lstat then Result := lstat64(PChar(FileName), st) = 0
else Result := stat64(PChar(FileName), st) = 0;
libc_free(st);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.DirectoryExists(const FileName: string; const Use_lstat: boolean = False): Boolean;
var st: Pstat64;
begin
st := malloc(sizeof(Tstat64));
memset(st, 0, sizeof(Tstat64));
if Use_lstat then Result := lstat64(PChar(FileName), st) = 0 else
if stat64(PChar(FileName), st) = 0
then Result := S_ISDIR(st^.st_mode)
else Result := False;
libc_free(st);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.MakeSymLink(const NewFileName, PointTo: string): integer;
begin
// DebugMsg(['TLocalTreeEngine.MakeSymLink(NewFileName = "', NewFileName, '", PointTo = "', PointTo, '"']);
Result := symlink(PChar(PointTo), PChar(NewFileName));
if Result <> 0 then Result := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.Chmod(const FileName: string; const Mode: integer): integer;
begin
Result := libc_chmod(PChar(FileName), Mode);
if Result <> 0 then Result := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.Chown(const FileName: string; const UID, GID: integer): integer;
begin
Result := libc_chown(PChar(FileName), UID, GID);
if Result <> 0 then Result := errno;
end;
(********************************************************************************************************************************)
procedure TLocalTreeEngine.BreakProcessing(ProcessingKind: integer);
begin
BreakProcessingType := ProcessingKind;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.IsOnSameFS(const Path1, Path2: string): boolean;
var FStat1, FStat2: Pstat64;
begin
// DebugMsg(['** TLocalTreeEngine.IsOnSameFS("', Path1, '", "', Path2, '")']);
Result := False; // Default fallback result (forces copy + delete)
FStat1 := malloc(sizeof(Tstat64));
FStat2 := malloc(sizeof(Tstat64));
memset(FStat1, 0, sizeof(Tstat64));
memset(FStat2, 0, sizeof(Tstat64));
if lstat64(PChar(Path1), FStat1) <> 0 then begin
DebugMsg(['** TLocalTreeEngine.IsOnSameFS: stat(', Path1, ') error: ', strerror(errno)]);
Exit;
end;
if lstat64(PChar(Path2), FStat2) <> 0 then begin
DebugMsg(['** TLocalTreeEngine.IsOnSameFS: stat(', Path2, ') error: ', strerror(errno)]);
Exit;
end;
Result := FStat1^.st_dev = FStat2^.st_dev;
libc_free(FStat1);
libc_free(FStat2);
// DebugMsg(['** TLocalTreeEngine.IsOnSameFS("', Path1, '", "', Path2, '") Result = ', Result]);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.RenameFile(SourceFile, DestFile: string): integer;
begin
Result := libc_rename(PChar(SourceFile), PChar(DestFile));
if Result <> 0 then Result := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.ChangeTimes(APath: string; mtime, atime: Int64): integer;
var timebuf: Putimbuf;
begin
Result := errno;
try
timebuf := malloc(sizeof(Tutimbuf));
memset(timebuf, 0, sizeof(Tutimbuf));
timebuf^.actime := atime;
timebuf^.modtime := mtime;
Result := utime(PChar(APath), timebuf);
if Result <> 0 then Result := errno;
libc_free(timebuf);
except
on E: Exception do DebugMsg(['*** Exception raised in TLocalTreeEngine.ChangeTimes(APath=', APath, '): (', E.ClassName, '): ', E.Message]);
end;
end;
(********************************************************************************************************************************)
procedure TLocalTreeEngine.GetFileSystemInfo(const APath: string; var FSSize, FSFree: Int64; var FSName: string);
var Stat: Pstatfs64;
fd: PFILE;
mntent: Pmntent;
mntdev: PChar;
FoundLength: integer;
Buffer: array[0..31] of char;
begin
FSSize := 0;
FSFree := 0;
FSName := '';
try
Stat := malloc(sizeof(Tstatfs64));
memset(Stat, 0, sizeof(Tstatfs64));
if statfs64(PChar(APath), Stat) <> 0 then Exit;
FSSize := Stat^.f_bsize * Stat^.f_blocks;
FSFree := Stat^.f_bsize * Stat^.f_bavail;
fd := setmntent(_PATH_MOUNTED, 'r');
if fd = nil then Exit;
// Get mount name
FoundLength := 0;
mntdev := nil;
mntent := getmntent(fd);
while mntent <> nil do begin
if (Pos(mntent^.mnt_dir, APath) = 1) and (Length(String(mntent^.mnt_dir)) > FoundLength) then begin
FoundLength := Length(String(mntent^.mnt_dir));
FSName := String(mntent^.mnt_dir);
mntdev := mntent^.mnt_fsname;
end;
mntent := getmntent(fd);
end;
endmntent(fd);
// if it is CD-ROM, read ISO9660 label
if Stat^.f_type = $9660 then begin { ISOFS_SUPER_MAGIC }
if Assigned(mntdev) and (mntdev <> '') then begin
fd := fopen(mntdev, 'r');
if fd = nil then Exit;
if fseek(fd, 32808, SEEK_SET) <> 0 then Exit;
if fread(@Buffer[0], 1, 32, fd) <> 0 then FSName := Trim(String(Buffer));
fclose(fd);
end;
end;
libc_free(Stat);
except
on E: Exception do DebugMsg(['*** Exception raised in TLocalTreeEngine.GetFileSystemInfo(APath=', APath, '): (', E.ClassName, '): ', E.Message]);
end;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.OpenFile(const APath: string; Mode: integer; var Error: integer): TEngineFileDes;
var m: PChar;
begin
Error := 0;
case Mode of
omRead: m := 'r';
omWrite: m := 'w';
omAppend: m := 'a';
else m := 'r';
end;
Result := fopen64(PChar(APath), m);
if Result = nil then Error := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.ReadFile(const FileDescriptor: TEngineFileDes; Buffer: Pointer; ABlockSize: integer; var Error: integer): integer;
begin
Error := 0;
Result := fread(Buffer, 1, ABlockSize, FileDescriptor);
if (Result = 0) and (feof(FileDescriptor) = 0) then Error := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.WriteFile(const FileDescriptor: TEngineFileDes; Buffer: Pointer; BytesCount: integer; var Error: integer): integer;
begin
Error := 0;
{ Result := __write(fileno(FileDescriptor), Buffer^, BytesCount);
if Result < BytesCount then Error := errno; }
Result := fwrite(Buffer, 1, BytesCount, FileDescriptor);
if Result < BytesCount then Error := ferror(FileDescriptor);
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.CloseFile(const FileDescriptor: TEngineFileDes): integer;
begin
Result := fclose(FileDescriptor);
if Result <> 0 then Result := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.FileSeek(const FileDescriptor: TEngineFileDes; const AbsoluteOffset: Int64; var Error: integer): Int64;
begin
Error := 0;
Result := fseeko64(FileDescriptor, AbsoluteOffset, SEEK_SET);
if Result = -1 then Error := errno;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.IsOnROMedium(const FileName: string): boolean;
var Stat: Pstatfs64;
begin
Result := False;
try
Stat := malloc(sizeof(Tstatfs64));
memset(Stat, 0, sizeof(Tstatfs64));
if statfs64(PChar(FileName), Stat) <> 0 then Exit;
Result := (Stat^.f_type = $9660); { ISOFS_SUPER_MAGIC }
libc_free(Stat);
except
on E: Exception do DebugMsg(['*** TLocalTreeEngine.IsOnROMedium(FileName=', FileName, ') -Exception: ', E.Message]);
end;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.FileCanRun(const FileName: string): boolean;
begin
Result := access(PChar(FileName), R_OK or X_OK) = 0;
end;
(********************************************************************************************************************************)
function TLocalTreeEngine.TwoSameFiles(const Path1, Path2: string): boolean;
var st1, st2: Pstat64;
begin
Result := False;
st1 := malloc(sizeof(Tstat64));
st2 := malloc(sizeof(Tstat64));
memset(st1, 0, sizeof(Tstat64));
memset(st2, 0, sizeof(Tstat64));
if lstat64(PChar(Path1), st1) <> 0 then Exit;
if lstat64(PChar(Path2), st2) <> 0 then Exit;
// DebugMsg(['*** TLocalTreeEngine.TwoSameFiles: ', st1^.st_ino, ' ', st2^.st_ino]);
Result := st1^.st_ino = st2^.st_ino;
libc_free(st1);
libc_free(st2);
end;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
procedure FreeDataItem(DataItem: PDataItemSL);
begin
try
if Assigned(DataItem) then begin
with DataItem^ do begin
if FName <> nil then libc_free(FName);
if FDisplayName <> nil then libc_free(FDisplayName);
// if Assigned(ADestination) then Dispose(ADestination);
if LnkPointTo <> nil then libc_free(LnkPointTo);
end;
libc_free(DataItem);
end;
except
end;
end;
procedure FreeDataItem(DataItem: PDataItem);
var i : integer;
begin
try
if Assigned(DataItem) then begin
with DataItem^ do begin
if FName <> nil then libc_free(FName);
if FDisplayName <> nil then libc_free(FDisplayName);
if LnkPointTo <> nil then libc_free(LnkPointTo);
for i := 0 to Length(ColumnData) - 1 do
if ColumnData[i] <> nil then libc_free(ColumnData[i]);
end;
libc_free(DataItem);
end;
except
end;
end;
end.
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