1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
unit ShellExecuteWrapper;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
System.Classes, Vcl.ComCtrls;
type
TSLTShellExecuteWrapper = class
private
progBar: TProgressBar;
public
constructor Create(prgB: TProgressBar);
function CallCmd(const CmdDirectory, CmdName, CmdParam: string;
out ExitCode: Int64; out ErrorText: string; Delay: Cardinal = INFINITE;
PipeMaxSize: Cardinal = 0): Boolean;
end;
implementation
{ * -----------------------------------------------------------------------------
le constructeur prend en paramètre l'objet barre de progression figurant dans l'interface
@param prgB barre de progression figurant dans l'interface
----------------------------------------------------}
constructor TSLTShellExecuteWrapper.Create(prgB: TProgressBar);
begin
progBar := prgB;
end;
{ * -----------------------------------------------------------------------------
la fonction CallCmd permet de lancer un programme console, tout en récupérant en quasi temps-réel le contenu devant normalement s'y afficher
@param CmdDirectory Dossier contenant le Fichier CmdName
@param CmdName programme console à executer
@param CmdParam paramètres de la ligne de commande
@param ExitCode Code de Sortie renvoyé par le programme console, -1 si non récupéré
@param ErrorText chaine contenant tout ce qui a été signalé comme erreurs (canal erreur)
@param Delay indique le temps entre chaque cycle de lecture des canaux, détermine la fréquence de lancement de WaitEvent, par défaut, cela attend que le programme console se termine
@param PipeMaxSize défini la taille maximal que l'on lit à chaque chaque cycle de lecture des canaux, si zéro, taille non limitée par défaut
@return Indique si le programme a été lancé
------------------------------------------------------------------------------ }
function TSLTShellExecuteWrapper.CallCmd(const CmdDirectory, CmdName,
CmdParam: string; out ExitCode: Int64; out ErrorText: string;
Delay: Cardinal = INFINITE; PipeMaxSize: Cardinal = 0): Boolean;
var
StartupInfo: TStartupInfo;
ProcessInfo: TProcessInformation;
CmdLine: string; // utile pour le débogage
SecurityAttr: TSecurityAttributes;
hReadPipeInput, hWritePipeInput: NativeUInt;
hReadPipeOutput, hWritePipeOutput: NativeUInt;
hReadPipeError, hWritePipeError: NativeUInt;
lpCurrentDirectory: PChar;
Terminated: Boolean;
AbortProcess: Boolean;
HandleFunctionProcess: Cardinal;
OutText: string;
function ReadPipe(Handle: Cardinal; out Buf: string): Boolean;
const
MAX_INT: Cardinal = MaxInt;
var
PipeSize: Cardinal;
PipeToRead, PipeReaded: Cardinal;
PipeBuf: array of AnsiChar;
AnsiBuf: AnsiString;
begin
PipeSize := GetFileSize(Handle, nil);
// On oublie si cela dépasse 2Go ... normalement c'est 4Ko
if (PipeMaxSize > 0) and (PipeSize > PipeMaxSize) then
PipeToRead := PipeMaxSize
else
PipeToRead := PipeSize;
Result := PipeToRead > 0;
if Result then
begin
SetLength(PipeBuf, PipeToRead);
ZeroMemory(@PipeBuf[0], PipeToRead);
ReadFile(Handle, PipeBuf[0], PipeToRead, PipeReaded, nil);
SetLength(AnsiBuf, PipeToRead);
OemToAnsi(@PipeBuf[0], @AnsiBuf[1]);
Buf := string(AnsiBuf);
end;
end;
procedure ReadPipes();
var
DeltaOutputText: string;
DeltaErrorText: string;
sub: string;
x, nombre, code: integer;
begin
if ReadPipe(hReadPipeOutput, DeltaOutputText) then
begin
if DeltaOutputText <> '' then
begin
OutText := OutText + DeltaOutputText;
x := Pos('#PROGRESS ', OutText);
while x > 0 do
begin
delete(OutText, 1, x + length('#PROGRESS ') - 1);
x := Pos(char(13) + char(10), OutText);
sub := copy(OutText, 1, x - 1);
val(sub, nombre, code);
if (code = 0) then
begin
progBar.Position:=nombre;
end;
x := Pos('#PROGRESS ', OutText);
end;
end;
end;
if ReadPipe(hReadPipeError, DeltaErrorText) then
ErrorText := ErrorText + DeltaErrorText;
end;
begin
(*
Result := True;
OutputText := 'Dummy Output';
ErrorText := 'Dummy Error';
ErrorCode := 0;
Exit;
*)
OutText := '';
ErrorText := '';
try
SecurityAttr.nLength := SizeOf(TSecurityAttributes);
SecurityAttr.lpSecurityDescriptor := nil;
SecurityAttr.bInheritHandle := True;
if CreatePipe(hReadPipeInput, hWritePipeInput, @SecurityAttr, 0) and
CreatePipe(hReadPipeOutput, hWritePipeOutput, @SecurityAttr, 0) and
CreatePipe(hReadPipeError, hWritePipeError, @SecurityAttr, 0) then
begin
try
ZeroMemory(@StartupInfo, SizeOf(StartupInfo));
// GetStartupInfo(StartupInfo);
StartupInfo.cb := SizeOf(StartupInfo);
StartupInfo.dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES;
// Active wShowWindow et hStdOutput/hStdError
StartupInfo.wShowWindow := SW_HIDE;
StartupInfo.hStdInput := hReadPipeInput;
StartupInfo.hStdOutput := hWritePipeOutput;
StartupInfo.hStdError := hWritePipeError;
ZeroMemory(@ProcessInfo, SizeOf(ProcessInfo));
if CmdDirectory <> '' then
begin
CmdLine := Format('"%s%s" %s',
[IncludeTrailingPathDelimiter(CmdDirectory), CmdName, CmdParam]);
lpCurrentDirectory := PChar(CmdDirectory);
end
else
begin
CmdLine := Format('%s %s', [CmdName, CmdParam]);
lpCurrentDirectory := nil;
end;
Result := CreateProcess(nil, PChar(CmdLine), @SecurityAttr,
@SecurityAttr, True, 0, nil, lpCurrentDirectory, StartupInfo,
ProcessInfo);
if Result then
begin
try
Terminated := False;
AbortProcess := False;
while not Terminated do
begin
case WaitForSingleObject(ProcessInfo.hProcess, Delay) of
WAIT_OBJECT_0:
begin
ReadPipes();
Terminated := True;
end;
WAIT_ABANDONED:
Terminated := True;
WAIT_TIMEOUT:
begin
ReadPipes();
Terminated := Delay = INFINITE;
end;
WAIT_FAILED:
Abort;
else
Terminated := True;
end;
if AbortProcess then
begin
HandleFunctionProcess := OpenProcess(PROCESS_TERMINATE, False,
ProcessInfo.dwProcessId);
if HandleFunctionProcess > 0 then
begin
TerminateProcess(HandleFunctionProcess, 0);
CloseHandle(HandleFunctionProcess);
end;
end;
end;
TULargeInteger(ExitCode).HighPart := 0;
if not GetExitCodeProcess(ProcessInfo.hProcess,
TULargeInteger(ExitCode).LowPart) then
ExitCode := -1;
finally
CloseHandle(ProcessInfo.hThread);
CloseHandle(ProcessInfo.hProcess);
// The handles for both the process and the main thread must be closed through calls to CloseHandle
end;
end;
finally
CloseHandle(hReadPipeInput);
CloseHandle(hWritePipeInput);
CloseHandle(hReadPipeOutput);
CloseHandle(hWritePipeOutput);
CloseHandle(hReadPipeError);
CloseHandle(hWritePipeError);
end;
end
else
raise Exception.Create('Impossible de créer les Pipes');
except
on E: Exception do
begin
OutputDebugString(PChar(Format('%s.CallCmd Error %s, Message : %s',
[Self.ClassName(), E.ClassName(), E.Message])));
raise;
end;
end;
end;
end. |
