xtool/io/IOExecute.pas

478 lines
13 KiB
ObjectPascal

unit IOExecute;
(* xbcm:t4:c256m
xtool execute {options} - - <stdin> <stdout> bcm.exe -9 [filein] [fileout]
xtool decode {options} - - <stdin> <stdout> bcm.exe -d [filein] [fileout] *)
interface
uses
Threading, Utils, SynCommons, SynCrypto, ParseClass, ParseExpr,
IOUtils,
WinAPI.Windows, WinAPI.ShlObj,
System.SysUtils, System.Classes, System.SyncObjs, System.Math, System.Types,
System.StrUtils, System.RTLConsts, System.TimeSpan, System.Diagnostics,
System.IOUtils, System.Generics.Defaults, System.Generics.Collections;
type
PEncodeOptions = ^TEncodeOptions;
TEncodeOptions = record
ChunkSize, Threads: Integer;
end;
PDecodeOptions = ^TDecodeOptions;
TDecodeOptions = record
Threads: Integer;
end;
procedure PrintHelp;
procedure Parse(ParamArg: TArray<string>; out Options: TEncodeOptions);
overload;
procedure Parse(ParamArg: TArray<string>; out Options: TDecodeOptions);
overload;
procedure Encode(Input, Output: TStream; ParamArg: TArray<string>;
Options: TEncodeOptions);
procedure Decode(Input, Output: TStream; ParamArg: TArray<string>;
Options: TDecodeOptions);
implementation
const
FILE_IN = 'data.in';
FILE_OUT = 'data.out';
FILE_MODE = 0;
STDIN_MODE = 1;
STDOUT_MODE = 2;
STDIO_MODE = 3;
STATE_READY = 0;
STATE_EXECUTED = 1;
STATE_ERROR = 2;
STATE_DONE = 3;
procedure PrintHelp;
var
I, J: Integer;
S: string;
begin
WriteLn(ErrOutput, 'execute - parallel program execution');
WriteLn(ErrOutput, '');
WriteLn(ErrOutput, 'Usage:');
WriteLn(ErrOutput, ' xtool execute [parameters] input output [exec_syntax]');
WriteLn(ErrOutput, '');
WriteLn(ErrOutput, '');
WriteLn(ErrOutput, 'Parameters:');
WriteLn(ErrOutput, ' -c# - chunk size [16mb]');
WriteLn(ErrOutput, ' -t# - number of working threads [50p]');
WriteLn(ErrOutput, '');
end;
procedure Parse(ParamArg: TArray<string>; out Options: TEncodeOptions);
var
ArgParse: TArgParser;
ExpParse: TExpressionParser;
I: Integer;
S: String;
begin
ArgParse := TArgParser.Create(ParamArg);
ExpParse := TExpressionParser.Create;
try
S := ArgParse.AsString('-c', 0, '16mb');
S := ReplaceText(S, 'KB', '* 1024^1');
S := ReplaceText(S, 'MB', '* 1024^2');
S := ReplaceText(S, 'GB', '* 1024^3');
S := ReplaceText(S, 'K', '* 1024^1');
S := ReplaceText(S, 'M', '* 1024^2');
S := ReplaceText(S, 'G', '* 1024^3');
Options.ChunkSize := Max(4194304, Round(ExpParse.Evaluate(S)));
S := ArgParse.AsString('-t', 0, '50p');
S := ReplaceText(S, 'p', '%');
S := ReplaceText(S, '%', '%*' + CPUCount.ToString);
Options.Threads := Max(1, Round(ExpParse.Evaluate(S)));
finally
ArgParse.Free;
ExpParse.Free;
end;
end;
procedure Parse(ParamArg: TArray<string>; out Options: TDecodeOptions);
var
ArgParse: TArgParser;
ExpParse: TExpressionParser;
S: String;
begin
ArgParse := TArgParser.Create(ParamArg);
ExpParse := TExpressionParser.Create;
try
S := ArgParse.AsString('-t', 0, '50p');
S := ReplaceText(S, 'p', '%');
S := ReplaceText(S, '%', '%*' + CPUCount.ToString);
Options.Threads := Max(1, Round(ExpParse.Evaluate(S)));
finally
ArgParse.Free;
ExpParse.Free;
end;
end;
function ExtractStr(SubStr, Str: String): String;
var
I: Integer;
begin
Result := Str.Substring(Str.IndexOf(SubStr));
I := Result.IndexOf(' ');
if I >= 0 then
Result := Result.Substring(0, Result.IndexOf(' '));
end;
type
PCtx = ^TCtx;
TCtx = record
Exec, Param: String;
InFile, OutFile: String;
Mode: Byte;
end;
procedure Init(ParamArg: TArray<string>; Ctx: PCtx);
var
I: Integer;
S: String;
begin
with Ctx^ do
begin
Exec := '';
Param := '';
InFile := FILE_IN;
OutFile := FILE_OUT;
Mode := 0;
for I := Low(ParamArg) to High(ParamArg) do
begin
S := ParamArg[I];
if ContainsText(S, '<stdin>') or ContainsText(S, '[stdin]') then
begin
SetBits(Mode, 1, 0, 1);
continue;
end
else if ContainsText(S, '<stdout>') or ContainsText(S, '[stdout]') then
begin
SetBits(Mode, 1, 1, 1);
continue;
end
else if ContainsText(S, '<filein>') or ContainsText(S, '[filein]') then
begin
SetBits(Mode, 0, 0, 1);
if ContainsText(S, '<filein>') then
InFile := ExtractStr('<filein>', S)
else
InFile := ExtractStr('[filein]', S);
S := ReplaceText(S, InFile, FILE_IN);
InFile := ReplaceText(InFile, '<filein>', FILE_IN);
InFile := ReplaceText(InFile, '[filein]', FILE_IN);
end
else if ContainsText(S, '<fileout>') or ContainsText(S, '[fileout]') then
begin
SetBits(Mode, 0, 1, 1);
if ContainsText(S, '<fileout>') then
OutFile := ExtractStr('<fileout>', S)
else
OutFile := ExtractStr('[fileout]', S);
S := ReplaceText(S, OutFile, FILE_OUT);
OutFile := ReplaceText(OutFile, '<fileout>', FILE_OUT);
OutFile := ReplaceText(OutFile, '[fileout]', FILE_OUT);
end;
if I = 0 then
Exec := ExtractFilePath(Utils.GetModuleName) + S
else
Param := Param + ' ' + IfThen(ContainsText(S, ' ') or (S = ''),
'"' + S + '"', S);
end;
end;
end;
threadvar TFS: TFileStream;
procedure Callback(const Buffer: Pointer; Size: Integer);
begin
TFS.WriteBuffer(Buffer^, Size);
end;
procedure ExecThread(X, Ctx, WorkDir, State: IntPtr);
var
SS: TSharedMemoryStream;
Res: Boolean;
begin
Res := False;
with PCtx(Ctx)^ do
if FileExists(Exec) then
try
case Mode of
FILE_MODE:
Res := Utils.Exec(Exec, Param, PString(WorkDir)^);
STDIN_MODE:
begin
SS := TSharedMemoryStream.Create
(LowerCase(ChangeFileExt(ExtractFileName(Utils.GetModuleName),
'_' + Random($7FFFFFFF).ToHexString + XTOOL_MAPSUF2)),
IncludeTrailingBackSlash(PString(WorkDir)^) + InFile);
try
Res := ExecStdin(Exec, Param, PString(WorkDir)^,
SS.Memory, SS.Size);
finally
SS.Free;
end;
end;
STDOUT_MODE:
begin
TFS := TFileStream.Create
(IncludeTrailingBackSlash(PString(WorkDir)^) + OutFile,
fmCreate);
try
Res := ExecStdout(Exec, Param, PString(WorkDir)^, Callback);
finally
TFS.Free;
end;
end;
STDIO_MODE:
begin
SS := TSharedMemoryStream.Create
(LowerCase(ChangeFileExt(ExtractFileName(Utils.GetModuleName),
'_' + Random($7FFFFFFF).ToHexString + XTOOL_MAPSUF2)),
IncludeTrailingBackSlash(PString(WorkDir)^) + InFile);
TFS := TFileStream.Create
(IncludeTrailingBackSlash(PString(WorkDir)^) + OutFile,
fmCreate);
try
Res := ExecStdio(Exec, Param, PString(WorkDir)^, SS.Memory,
SS.Size, Callback);
finally
SS.Free;
TFS.Free;
end;
end;
end;
except
Res := False
end;
if Res then
PByte(State)^ := STATE_EXECUTED
else
PByte(State)^ := STATE_ERROR;
end;
procedure Encode(Input, Output: TStream; ParamArg: TArray<string>;
Options: TEncodeOptions);
var
I: Integer;
I64: Int64;
B: Byte;
S: String;
First, Done: Boolean;
FStream: TFileStream;
SStream: TSharedMemoryStream;
LCtx: TCtx;
WorkDir: TArray<String>;
Tasks: TArray<TTask>;
State: TArray<Byte>;
procedure Load(X: Integer);
begin
DeleteFile(IncludeTrailingBackSlash(WorkDir[X]) + LCtx.InFile);
DeleteFile(IncludeTrailingBackSlash(WorkDir[X]) + LCtx.OutFile);
if not Done then
begin
FStream := TFileStream.Create(IncludeTrailingBackSlash(WorkDir[X]) +
LCtx.InFile, fmCreate);
try
Done := CopyStream(Input, FStream, Options.ChunkSize) = 0;
finally
FStream.Free;
end;
end;
if Done then
State[X] := STATE_DONE
else
State[X] := STATE_READY;
if not Done then
Tasks[X].Start;
end;
begin
I := XTOOL_EXEC;
Output.WriteBuffer(I, I.Size);
Init(ParamArg, @LCtx);
SetLength(WorkDir, Options.Threads);
SetLength(Tasks, Options.Threads);
SetLength(State, Options.Threads);
for I := Low(Tasks) to High(Tasks) do
begin
WorkDir[I] := IncludeTrailingBackSlash(GetCurrentDir) +
LowerCase(ChangeFileExt(ExtractFileName(Utils.GetModuleName),
'_' + Random($7FFFFFFF).ToHexString + XTOOL_MAPSUF1));
CreateDir(WorkDir[I]);
Tasks[I] := TTask.Create(I, IntPtr(@LCtx), IntPtr(@WorkDir[I]),
IntPtr(@State[I]));
Tasks[I].Perform(ExecThread);
end;
First := True;
Done := False;
try
while State[0] <> STATE_DONE do
begin
if First then
begin
for I := Low(Tasks) to High(Tasks) do
Load(I);
First := False;
end;
for I := Low(Tasks) to High(Tasks) do
begin
Tasks[I].Wait;
if State[I] = STATE_DONE then
continue;
B := 0;
if State[I] = STATE_EXECUTED then
S := IncludeTrailingBackSlash(WorkDir[I]) + LCtx.OutFile
else
begin
S := IncludeTrailingBackSlash(WorkDir[I]) + LCtx.InFile;
B := 1;
end;
SStream := TSharedMemoryStream.Create
(LowerCase(ChangeFileExt(ExtractFileName(Utils.GetModuleName),
'_' + Random($7FFFFFFF).ToHexString + XTOOL_MAPSUF2)), S);
try
Output.WriteBuffer(B, B.Size);
I64 := SStream.Size;
Output.WriteBuffer(I64, I64.Size);
CopyStreamEx(SStream, Output, SStream.Size);
finally
SStream.Free;
end;
Load(I);
end;
end;
WaitForAll(Tasks);
B := 0;
Output.WriteBuffer(B, B.Size);
I64 := I64.MinValue;
Output.WriteBuffer(I64, I64.Size);
finally
for I := Low(Tasks) to High(Tasks) do
begin
if DirectoryExists(WorkDir[I]) then
TDirectory.Delete(WorkDir[I], True);
Tasks[I].Free;
end;
end;
end;
procedure Decode(Input, Output: TStream; ParamArg: TArray<string>;
Options: TDecodeOptions);
var
I: Integer;
S: String;
First, Done: Boolean;
FStream: TFileStream;
SStream: TSharedMemoryStream;
LCtx: TCtx;
WorkDir: TArray<String>;
Tasks: TArray<TTask>;
State: TArray<Byte>;
procedure Load(X: Integer);
var
B: Byte;
I64: Int64;
begin
DeleteFile(IncludeTrailingBackSlash(WorkDir[X]) + LCtx.InFile);
DeleteFile(IncludeTrailingBackSlash(WorkDir[X]) + LCtx.OutFile);
if not Done then
begin
repeat
Input.ReadBuffer(B, B.Size);
Input.ReadBuffer(I64, I64.Size);
if I64 >= 0 then
begin
FStream := TFileStream.Create(IncludeTrailingBackSlash(WorkDir[X]) +
LCtx.InFile, fmCreate);
try
if B = 0 then
CopyStreamEx(Input, FStream, I64)
else
CopyStreamEx(Input, Output, I64);
finally
FStream.Free;
end;
end
else
Done := True;
until (B = 0) or Done;
end;
if Done then
State[X] := STATE_DONE
else
State[X] := STATE_READY;
if not Done then
Tasks[X].Start;
end;
begin
Init(ParamArg, @LCtx);
SetLength(WorkDir, Options.Threads);
SetLength(Tasks, Options.Threads);
SetLength(State, Options.Threads);
for I := Low(Tasks) to High(Tasks) do
begin
WorkDir[I] := IncludeTrailingBackSlash(GetCurrentDir) +
LowerCase(ChangeFileExt(ExtractFileName(Utils.GetModuleName),
'_' + Random($7FFFFFFF).ToHexString + XTOOL_MAPSUF1));
CreateDir(WorkDir[I]);
Tasks[I] := TTask.Create(I, IntPtr(@LCtx), IntPtr(@WorkDir[I]),
IntPtr(@State[I]));
Tasks[I].Perform(ExecThread);
end;
First := True;
Done := False;
try
while State[0] <> STATE_DONE do
begin
if First then
begin
for I := Low(Tasks) to High(Tasks) do
Load(I);
First := False;
end;
for I := Low(Tasks) to High(Tasks) do
begin
Tasks[I].Wait;
if State[I] = STATE_DONE then
continue;
if State[I] = STATE_EXECUTED then
S := IncludeTrailingBackSlash(WorkDir[I]) + LCtx.OutFile
else
raise Exception.CreateRes(@SWriteError);
SStream := TSharedMemoryStream.Create
(LowerCase(ChangeFileExt(ExtractFileName(Utils.GetModuleName),
'_' + Random($7FFFFFFF).ToHexString + XTOOL_MAPSUF2)), S);
try
CopyStreamEx(SStream, Output, SStream.Size);
finally
SStream.Free;
end;
Load(I);
end;
end;
WaitForAll(Tasks);
finally
for I := Low(Tasks) to High(Tasks) do
begin
if DirectoryExists(WorkDir[I]) then
TDirectory.Delete(WorkDir[I], True);
Tasks[I].Free;
end;
end;
end;
end.