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#ifndef _FILE_TRANSFER_H_
#define _FILE_TRANSFER_H_
class FileTransferParam
{
private:
static ULONG hFileProcess;
ULONG id;
FILE *hFile;
PROTOFILETRANSFERSTATUS pfts;
bool isTerminated;
const wchar_t* folderName;
int relativePathStart;
CMStringW data;
public:
FileTransferParam(MCONTACT hContact)
{
hFile = NULL;
id = InterlockedIncrement(&hFileProcess);
isTerminated = false;
folderName = NULL;
relativePathStart = 0;
pfts.cbSize = sizeof(this->pfts);
pfts.flags = PFTS_UNICODE | PFTS_SENDING;
pfts.hContact = hContact;
pfts.currentFileNumber = -1;
pfts.currentFileProgress = 0;
pfts.currentFileSize = 0;
pfts.currentFileTime = 0;
pfts.totalBytes = 0;
pfts.totalFiles = 0;
pfts.totalProgress = 0;
pfts.ptszFiles = (wchar_t**)mir_alloc(sizeof(wchar_t*) * (pfts.totalFiles + 1));
pfts.ptszFiles[pfts.totalFiles] = NULL;
pfts.tszWorkingDir = NULL;
pfts.tszCurrentFile = NULL;
ProtoBroadcastAck(MODULE, pfts.hContact, ACKTYPE_FILE, ACKRESULT_INITIALISING, (HANDLE)id, 0);
}
~FileTransferParam()
{
CloseCurrentFile();
if (pfts.tszWorkingDir)
mir_free(pfts.tszWorkingDir);
if (pfts.pszFiles)
{
for (int i = 0; pfts.pszFiles[i]; i++)
{
if (pfts.pszFiles[i]) mir_free(pfts.pszFiles[i]);
}
mir_free(pfts.pszFiles);
}
}
ULONG GetId() const
{
return id;
}
MCONTACT GetHContact() const
{
return pfts.hContact;
}
const wchar_t* GetData() const
{
if (data.IsEmpty())
return NULL;
return data;
}
void Terminate()
{
isTerminated = true;
}
void SetWorkingDirectory(const wchar_t *path)
{
relativePathStart = wcsrchr(path, '\\') - path + 1;
pfts.tszWorkingDir = (wchar_t*)mir_calloc(sizeof(wchar_t) * relativePathStart);
mir_wstrncpy(pfts.tszWorkingDir, path, relativePathStart);
if (PathIsDirectory(path))
folderName = wcsrchr(path, '\\') + 1;
}
const wchar_t* IsFolder() const
{
return folderName;
}
const wchar_t* GetFolderName() const
{
return folderName;
}
void AddFile(const wchar_t *path)
{
pfts.ptszFiles = (wchar_t**)mir_realloc(pfts.ptszFiles, sizeof(wchar_t*) * (pfts.totalFiles + 2));
pfts.ptszFiles[pfts.totalFiles++] = mir_wstrdup(path);
pfts.ptszFiles[pfts.totalFiles] = NULL;
FILE *file = _wfopen(path, L"rb");
if (file != NULL) {
_fseeki64(file, 0, SEEK_END);
pfts.totalBytes += _ftelli64(file);
fclose(file);
}
}
void AppendFormatData(const wchar_t *format, ...)
{
va_list args;
va_start(args, format);
data.AppendFormatV(format, args);
va_end(args);
}
const wchar_t* GetCurrentFilePath() const
{
return pfts.ptszFiles[pfts.currentFileNumber];
}
const wchar_t* GetCurrentRelativeFilePath() const
{
return &GetCurrentFilePath()[relativePathStart];
}
const wchar_t* GetCurrentFileName() const
{
return wcsrchr(pfts.ptszFiles[pfts.currentFileNumber], '\\') + 1;
}
void OpenCurrentFile()
{
hFile = _wfopen(GetCurrentFilePath(), L"rb");
if (!hFile)
throw Exception("Unable to open file");
_fseeki64(hFile, 0, SEEK_END);
pfts.currentFileSize = _ftelli64(hFile);
rewind(hFile);
}
size_t ReadCurrentFile(void *buffer, size_t count)
{
return fread(buffer, sizeof(char), count, hFile);
}
void CheckCurrentFile()
{
if (ferror(hFile))
throw Exception("Error while file sending");
if (isTerminated)
throw Exception("Transfer was terminated");
}
void CloseCurrentFile()
{
if (hFile != NULL)
{
fclose(hFile);
hFile = NULL;
}
}
const uint64_t GetCurrentFileSize() const
{
return pfts.currentFileSize;
}
const size_t GetCurrentFileChunkSize() const
{
size_t chunkSize = 1024 * 1024;
if (pfts.currentFileSize < chunkSize)
chunkSize = min(pfts.currentFileSize, chunkSize / 4);
else if (pfts.currentFileSize > 20 * chunkSize)
chunkSize = chunkSize * 4;
return chunkSize;
}
void Progress(size_t count)
{
pfts.currentFileProgress += count;
pfts.totalProgress += count;
ProtoBroadcastAck(MODULE, pfts.hContact, ACKTYPE_FILE, ACKRESULT_DATA, (HANDLE)id, (LPARAM)&pfts);
}
void FirstFile()
{
CloseCurrentFile();
pfts.currentFileNumber = 0;
pfts.currentFileProgress = 0;
pfts.tszCurrentFile = wcsrchr(pfts.ptszFiles[pfts.currentFileNumber], '\\') + 1;
ProtoBroadcastAck(MODULE, pfts.hContact, ACKTYPE_FILE, ACKRESULT_DATA, (HANDLE)id, (LPARAM)&pfts);
OpenCurrentFile();
CheckCurrentFile();
}
bool NextFile()
{
CloseCurrentFile();
if (++pfts.currentFileNumber == pfts.totalFiles)
return false;
pfts.currentFileProgress = 0;
pfts.tszCurrentFile = wcsrchr(pfts.ptszFiles[pfts.currentFileNumber], '\\') + 1;
ProtoBroadcastAck(MODULE, pfts.hContact, ACKTYPE_FILE, ACKRESULT_NEXTFILE, (HANDLE)id, 0);
OpenCurrentFile();
CheckCurrentFile();
return true;
}
void SetStatus(int status, LPARAM param = 0)
{
ProtoBroadcastAck(MODULE, pfts.hContact, ACKTYPE_FILE, status, (HANDLE)id, param);
}
};
#endif //_FILE_TRANSFER_H_
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