void GenerateName(UString &s, const char *prefix)
{
s.AddAscii(prefix);
char temp[16];
ConvertUInt32ToString((UInt32)(unsigned)_random.Generate(), temp);
s.AddAscii(temp);
}
static HRESULT CreateMap(const UStringVector &names,
const UString &id,
CFileMapping &fileMapping, NSynchronization::CManualResetEvent &event,
UString ¶ms)
{
UInt32 extraSize = 2;
UInt32 dataSize = 0;
for (int i = 0; i < names.Size(); i++)
dataSize += (names[i].Length() + 1) * sizeof(wchar_t);
UInt32 totalSize = extraSize + dataSize;
UString mappingName;
CRandom random;
random.Init(GetTickCount());
for (;;)
{
int number = random.Generate();
wchar_t temp[32];
ConvertUInt64ToString(UInt32(number), temp);
mappingName = id;
mappingName += L"Mapping";
mappingName += temp;
if (!fileMapping.Create(INVALID_HANDLE_VALUE, NULL,
PAGE_READWRITE, totalSize, GetSystemString(mappingName)))
return E_FAIL;
if (::GetLastError() != ERROR_ALREADY_EXISTS)
break;
fileMapping.Close();
}
UString eventName;
RINOK(CreateTempEvent(id + L"MappingEndEvent", event, eventName));
params += mappingName;
params += L":";
wchar_t string[10];
ConvertUInt64ToString(totalSize, string);
params += string;
params += L":";
params += eventName;
LPVOID data = fileMapping.MapViewOfFile(FILE_MAP_WRITE, 0, totalSize);
if (data == NULL)
return E_FAIL;
{
wchar_t *curData = (wchar_t *)data;
*curData = 0;
curData++;
for (int i = 0; i < names.Size(); i++)
{
const UString &s = names[i];
memcpy(curData, (const wchar_t *)s, s.Length() * sizeof(wchar_t));
curData += s.Length();
*curData++ = L'\0';
}
}
return S_OK;
}
static HRESULT CreateTempEvent(const wchar_t *name,
NSynchronization::CManualResetEvent &event, UString &eventName)
{
CRandom random;
random.Init(GetTickCount());
for (;;)
{
int number = random.Generate();
wchar_t temp[32];
ConvertUInt64ToString((UInt32)number, temp);
eventName = name;
eventName += temp;
RINOK(event.CreateWithName(false, GetSystemString(eventName)));
if (::GetLastError() != ERROR_ALREADY_EXISTS)
return S_OK;
event.Close();
}
}
HRESULT CompressFiles(
const UString &curDir,
const UString &archiveName,
const UString &archiveType,
const UStringVector &names,
// const UString &outFolder,
bool email,
bool showDialog,
bool waitFinish)
{
/*
UString curDir;
if (names.Size() > 0)
{
NFile::NDirectory::GetOnlyDirPrefix(names[0], curDir);
}
*/
UString params;
params = Get7zGuiPath();
params += L" a";
params += kMapSwitch;
// params += _fileNames[0];
UInt32 extraSize = 2;
UInt32 dataSize = 0;
for (int i = 0; i < names.Size(); i++)
dataSize += (names[i].Length() + 1) * sizeof(wchar_t);
UInt32 totalSize = extraSize + dataSize;
UString mappingName;
CFileMapping fileMapping;
CRandom random;
random.Init(GetTickCount());
for (;;)
{
int number = random.Generate();
wchar_t temp[32];
ConvertUInt64ToString(UInt32(number), temp);
mappingName = L"7zCompressMapping";
mappingName += temp;
if (!fileMapping.Create(INVALID_HANDLE_VALUE, NULL,
PAGE_READWRITE, totalSize, GetSystemString(mappingName)))
{
// MyMessageBox(IDS_ERROR, 0x02000605);
return E_FAIL;
}
if (::GetLastError() != ERROR_ALREADY_EXISTS)
break;
fileMapping.Close();
}
NSynchronization::CManualResetEvent event;
UString eventName;
RINOK(CreateTempEvent(L"7zCompressMappingEndEvent", event, eventName));
params += mappingName;
params += L":";
wchar_t string[10];
ConvertUInt64ToString(totalSize, string);
params += string;
params += L":";
params += eventName;
if (!archiveType.IsEmpty())
{
params += kArchiveTypeSwitch;
params += archiveType;
}
if (email)
params += kEmailSwitch;
if (showDialog)
params += kShowDialogSwitch;
AddLagePagesSwitch(params);
params += kStopSwitchParsing;
params += L" ";
params += GetQuotedString(archiveName);
LPVOID data = fileMapping.MapViewOfFile(FILE_MAP_WRITE, 0, totalSize);
if (data == NULL)
{
// MyMessageBox(IDS_ERROR, 0x02000605);
return E_FAIL;
}
try
{
wchar_t *curData = (wchar_t *)data;
*curData = 0;
curData++;
for (int i = 0; i < names.Size(); i++)
{
const UString &unicodeString = names[i];
memcpy(curData, (const wchar_t *)unicodeString ,
unicodeString .Length() * sizeof(wchar_t));
curData += unicodeString.Length();
*curData++ = L'\0';
}
// MessageBox(0, params, 0, 0);
RINOK(MyCreateProcess(params,
(curDir.IsEmpty()? 0: (LPCWSTR)curDir),
waitFinish, &event));
}
catch(...)
{
UnmapViewOfFile(data);
throw;
}
UnmapViewOfFile(data);
/*
CThreadCompressMain *compressor = new CThreadCompressMain();;
compressor->FileNames = _fileNames;
CThread thread;
if (!thread.Create(CThreadCompressMain::MyThreadFunction, compressor))
throw 271824;
*/
return S_OK;
}
