1286 lines
33 KiB
C++
1286 lines
33 KiB
C++
#include "normFile.h"
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#include <string.h> // for strerror()
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#include <stdio.h> // for rename()
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#ifdef WIN32
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#ifndef _WIN32_WCE
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#include <errno.h>
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#include <direct.h>
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#include <share.h>
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#include <io.h>
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#endif // !_WIN32_WCE
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#else
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#include <unistd.h>
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// Most don't have the dirfd() function
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#ifndef HAVE_DIRFD
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static inline int dirfd(DIR *dir) {return (dir->dd_fd);}
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#endif // HAVE_DIRFD
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#endif // if/else WIN32
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#ifndef _WIN32_WCE
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#endif // !_WIN32_WCE
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NormFile::NormFile()
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#ifdef _WIN32_WCE
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: file_ptr(NULL)
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#else
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: fd(-1)
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#endif // if/else _WIN32_WCE
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{
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}
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NormFile::~NormFile()
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{
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if (IsOpen()) Close();
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} // end NormFile::~NormFile()
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// This should be called with a full path only!
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bool NormFile::Open(const char* thePath, int theFlags)
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{
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ASSERT(!IsOpen());
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if (theFlags & O_CREAT)
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{
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// Create sub-directories as needed.
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char tempPath[PATH_MAX];
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strncpy(tempPath, thePath, PATH_MAX);
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char* ptr = strrchr(tempPath, PROTO_PATH_DELIMITER);
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if (NULL != ptr)
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{
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*ptr = '\0';
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ptr = NULL;
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while (!NormFile::Exists(tempPath))
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{
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char* ptr2 = ptr;
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ptr = strrchr(tempPath, PROTO_PATH_DELIMITER);
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if (ptr2) *ptr2 = PROTO_PATH_DELIMITER;
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if (ptr)
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{
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*ptr = '\0';
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}
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else
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{
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ptr = tempPath;
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break;
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}
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}
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}
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if (ptr && ('\0' == *ptr)) *ptr++ = PROTO_PATH_DELIMITER;
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while (ptr)
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{
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ptr = strchr(ptr, PROTO_PATH_DELIMITER);
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if (ptr) *ptr = '\0';
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#ifdef WIN32
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#ifdef _WIN32_WCE
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#ifdef _UNICODE
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wchar_t wideBuffer[MAX_PATH];
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size_t pathLen = strlen(tempPath) + 1;
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if (pathLen > MAX_PATH) pathLen = MAX_PATH;
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mbstowcs(wideBuffer, tempPath, pathLen);
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if (!CreateDirectory(wideBuffer, NULL))
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#else
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if (!CreateDirectory(tempPath, NULL))
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#endif // if/else _UNICODE
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#else
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if (mkdir(tempPath))
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#endif // if/else _WIN32_WCE
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#else
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if (mkdir(tempPath, 0755))
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#endif // if/else WIN32/UNIX
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{
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DMSG(0, "NormFile::Open() mkdir(%s) error: %s\n",
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tempPath, GetErrorString());
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return false;
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}
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if (ptr) *ptr++ = PROTO_PATH_DELIMITER;
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}
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}
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#ifdef WIN32
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// Make sure we're in binary mode (important for WIN32)
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theFlags |= O_BINARY;
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#ifdef _WIN32_WCE
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if (theFlags & O_RDONLY)
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file_ptr = fopen(thePath, "rb");
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else
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file_ptr = fopen(thePath, "w+b");
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if (NULL != file_ptr)
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#else
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// Allow sharing of read-only files but not of files being written
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if (theFlags & O_RDONLY)
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fd = _sopen(thePath, theFlags, _SH_DENYNO);
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else
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fd = _open(thePath, theFlags, 0640);
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if(fd >= 0)
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#endif // if/else _WIN32_WCE
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{
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offset = 0;
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flags = theFlags;
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return true; // no error
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}
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else
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{
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DMSG(0, "Error opening file \"%s\": %s\n", thePath, GetErrorString());
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flags = 0;
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return false;
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}
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#else
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if((fd = open(thePath, theFlags, 0640)) >= 0)
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{
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offset = 0;
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return true; // no error
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}
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else
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{
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DMSG(0, "norm: Error opening file \"%s\": %s\n",
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thePath, GetErrorString());
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return false;
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}
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#endif // if/else WIN32
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} // end NormFile::Open()
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void NormFile::Close()
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{
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if (IsOpen())
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{
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#ifdef WIN32
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#ifdef _WIN32_WCE
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fclose(file_ptr);
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file_ptr = NULL;
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#else
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_close(fd);
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fd = -1;
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#endif // if/else _WIN32_WCE
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#else
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close(fd);
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fd = -1;
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#endif // if/else WIN32
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}
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} // end NormFile::Close()
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// Routines to try to get an exclusive lock on a file
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bool NormFile::Lock()
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{
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#ifndef WIN32 // WIN32 files are automatically locked
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fchmod(fd, 0640 | S_ISGID);
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#ifdef HAVE_FLOCK
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if (flock(fd, LOCK_EX | LOCK_NB))
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return false;
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else
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#else
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#ifdef HAVE_LOCKF
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if (lockf(fd, F_LOCK, 0)) // assume lockf if not flock
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return false;
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else
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#endif // HAVE_LOCKF
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#endif // if/else HAVE_FLOCK
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#endif // !WIN32
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return true;
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} // end NormFile::Lock()
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void NormFile::Unlock()
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{
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#ifndef WIN32
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#ifdef HAVE_FLOCK
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flock(fd, LOCK_UN);
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#else
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#ifdef HAVE_LOCKF
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lockf(fd, F_ULOCK, 0);
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#endif // HAVE_LOCKF
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#endif // if/elseHAVE_FLOCK
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fchmod(fd, 0640);
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#endif // !WIN32
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} // end NormFile::UnLock()
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bool NormFile::Rename(const char* oldName, const char* newName)
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{
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if (!strcmp(oldName, newName)) return true; // no change required
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// Make sure the new file name isn't an existing "busy" file
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// (This also builds sub-directories as needed)
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if (NormFile::IsLocked(newName))
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{
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DMSG(0, "NormFile::Rename() error: file is locked\n");
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return false;
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}
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#ifdef WIN32
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// In Win32, the new file can't already exist
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if (NormFile::Exists(newName))
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{
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#ifdef _WIN32_WCE
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#ifdef _UNICODE
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wchar_t wideBuffer[MAX_PATH];
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size_t pathLen = strlen(newName) + 1;
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if (pathLen > MAX_PATH) pathLen = MAX_PATH;
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mbstowcs(wideBuffer, newName, pathLen);
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if (0 == DeleteFile(wideBuffer))
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#else
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if (0 == DeleteFile(newName))
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#endif // if/else _UNICODE
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{
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DMSG(0, "NormFile::Rename() DeleteFile() error: %s\n", GetErrorString());
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return false;
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}
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#else
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if (0 != _unlink(newName))
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{
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DMSG(0, "NormFile::Rename() _unlink() error: %s\n", GetErrorString());
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return false;
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}
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#endif // if/else _WIN32_WCE
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}
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// In Win32, the old file can't be open
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int oldFlags = 0;
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if (IsOpen())
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{
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oldFlags = flags;
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oldFlags &= ~(O_CREAT | O_TRUNC); // unset these
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Close();
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}
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#endif // WIN32
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// Create sub-directories as needed.
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char tempPath[PATH_MAX];
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strncpy(tempPath, newName, PATH_MAX);
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char* ptr = strrchr(tempPath, PROTO_PATH_DELIMITER);
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if (ptr) *ptr = '\0';
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ptr = NULL;
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while (!NormFile::Exists(tempPath))
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{
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char* ptr2 = ptr;
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ptr = strrchr(tempPath, PROTO_PATH_DELIMITER);
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if (ptr2) *ptr2 = PROTO_PATH_DELIMITER;
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if (ptr)
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{
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*ptr = '\0';
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}
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else
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{
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ptr = tempPath;
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break;
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}
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}
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if (ptr && ('\0' == *ptr)) *ptr++ = PROTO_PATH_DELIMITER;
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while (ptr)
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{
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ptr = strchr(ptr, PROTO_PATH_DELIMITER);
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if (ptr) *ptr = '\0';
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#ifdef WIN32
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#ifdef _WIN32_WCE
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#ifdef _UNICODE
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wchar_t wideBuffer[MAX_PATH];
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size_t pathLen = strlen(tempPath) + 1;
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if (pathLen > MAX_PATH) pathLen = MAX_PATH;
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mbstowcs(wideBuffer, tempPath, pathLen);
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if (!CreateDirectory(wideBuffer, NULL))
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#else
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if (!CreateDirectory(tempPath, NULL))
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#endif // if/else _UNICODE
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#else
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if (0 != mkdir(tempPath))
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#endif // if/else _WIN32_WCE
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#else
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if (mkdir(tempPath, 0755))
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#endif // if/else WIN32/UNIX
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{
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DMSG(0, "NormFile::Rename() mkdir(%s) error: %s\n",
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tempPath, GetErrorString());
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return false;
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}
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if (ptr) *ptr++ = PROTO_PATH_DELIMITER;
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}
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#ifdef _WIN32_WCE
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#ifdef _UNICODE
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wchar_t wideOldName[MAX_PATH];
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wchar_t wideNewName[MAX_PATH];
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mbstowcs(wideOldName, oldName, MAX_PATH);
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mbstowcs(wideNewName, newName, MAX_PATH);
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if (!MoveFile(wideOldName, wideNewName))
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#else
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if (!MoveFile(oldName, newName))
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#endif // if/else _UNICODE
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{
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DMSG(0, "NormFile::Rename() MoveFile() error: %s\n", GetErrorString());
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#else
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if (rename(oldName, newName))
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{
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DMSG(0, "NormFile::Rename() rename() error: %s\n", GetErrorString());
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#endif // if/else _WIN32_WCE
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#ifdef WIN32
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if (oldFlags)
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{
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if (Open(oldName, oldFlags))
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offset = 0;
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else
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DMSG(0, "NormFile::Rename() error re-opening file w/ old name\n");
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}
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#endif // WIN32
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return false;
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}
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else
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{
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#ifdef WIN32
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// (TBD) Is the file offset OK doing this???
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if (oldFlags)
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{
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if (Open(newName, oldFlags))
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offset = 0;
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else
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DMSG(0, "NormFile::Rename() error opening file w/ new name\n");
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}
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#endif // WIN32
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return true;
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}
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} // end NormFile::Rename()
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size_t NormFile::Read(char* buffer, size_t len)
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{
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ASSERT(IsOpen());
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size_t got = 0;
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while (got < len)
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{
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#ifdef WIN32
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#ifdef _WIN32_WCE
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size_t result = fread(buffer+got, 1, len-got, file_ptr);
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#else
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size_t result = _read(fd, buffer+got, (unsigned int)(len-got));
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#endif // if/else _WIN32_WCE
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#else
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ssize_t result = read(fd, buffer+got, len-got);
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#endif // if/else WIN32
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if (result <= 0)
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{
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#ifndef _WIN32_WCE
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if (EINTR != errno)
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#endif // !_WIN32_WCE
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{
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DMSG(0, "NormFile::Read() read(%d) result:%d error:%s (offset:%d)\n", len, result, GetErrorString(), offset);
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return 0;
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}
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}
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else
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{
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got += result;
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offset += (Offset)result;
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}
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} // end while (have < want)
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return got;
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} // end NormFile::Read()
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size_t NormFile::Write(const char* buffer, size_t len)
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{
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ASSERT(IsOpen());
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size_t put = 0;
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while (put < len)
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{
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#ifdef WIN32
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#ifdef _WIN32_WCE
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size_t result = fwrite(buffer+put, 1, len-put, file_ptr);
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#else
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size_t result = _write(fd, buffer+put, (unsigned int)(len-put));
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#endif // if/else _WIN32_WCE
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#else
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size_t result = write(fd, buffer+put, len-put);
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#endif // if/else WIN32
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if (result <= 0)
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{
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#ifndef _WIN32_WCE
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if (EINTR != errno)
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#endif // !_WIN32_WCE
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{
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DMSG(0, "NormFile::Write() write(%d) result:%d error: %s\n", len, result, GetErrorString());
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return 0;
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}
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}
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else
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{
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offset += (Offset)result;
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put += result;
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}
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} // end while (put < len)
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return put;
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} // end NormFile::Write()
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bool NormFile::Seek(Offset theOffset)
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{
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ASSERT(IsOpen());
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#ifdef WIN32
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#ifdef _WIN32_WCE
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// (TBD) properly support big files on WinCE
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Offset result = fseek(file_ptr, (long)theOffset, SEEK_SET);
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#else
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Offset result = _lseeki64(fd, theOffset, SEEK_SET);
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#endif // if/else _WIN32_WCE
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#else
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Offset result = lseek(fd, theOffset, SEEK_SET);
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#endif // if/else WIN32
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if (result == (Offset)-1)
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{
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DMSG(0, "NormFile::Seek() lseek() error: %s\n", GetErrorString());
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return false;
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}
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else
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{
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offset = result;
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return true; // no error
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}
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} // end NormFile::Seek()
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bool NormFile::Pad(Offset theOffset)
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{
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if (theOffset > GetSize())
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{
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if (Seek(theOffset - 1))
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{
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char byte = 0;
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if (1 != Write(&byte, 1))
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{
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DMSG(0, "NormFile::Pad() write error: %s\n", GetErrorString());
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return false;
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}
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}
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else
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{
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DMSG(0, "NormFile::Pad() seek error: %s\n", GetErrorString());
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return false;
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}
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}
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return true;
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} // end NormFile::Pad()
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NormFile::Offset NormFile::GetSize() const
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{
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ASSERT(IsOpen());
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#ifdef _WIN32_WCE
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DWORD fileSize = GetFileSize(_fileno(file_ptr), NULL);
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return ((Offset)fileSize);
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#else
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#ifdef WIN32
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struct _stati64 info; // instead of "struct _stat"
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int result = _fstati64(fd, &info); // instead of "_fstat()"
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#else
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struct stat info;
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int result = fstat(fd, &info);
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#endif // if/else WIN32
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if (result)
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{
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DMSG(0, "Error getting file size: %s\n", GetErrorString());
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return 0;
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}
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else
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{
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return info.st_size;
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}
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#endif // if/else _WIN32_WCE
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} // end NormFile::GetSize()
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|
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/***********************************************
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* The NormDirectoryIterator classes is used to
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* walk directory trees for file transmission
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*/
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NormDirectoryIterator::NormDirectoryIterator()
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: current(NULL)
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{
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}
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NormDirectoryIterator::~NormDirectoryIterator()
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{
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Close();
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}
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bool NormDirectoryIterator::Open(const char *thePath)
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{
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if (current) Close();
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#ifdef WIN32
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#ifdef _WIN32_WCE
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if (thePath && !NormFile::Exists(thePath))
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#else
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if (thePath && _access(thePath, 0))
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#endif // if/else _WIN32_WCE
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#else
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if (thePath && access(thePath, X_OK))
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#endif // if/else WIN32
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{
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DMSG(0, "NormDirectoryIterator: can't access directory: %s\n", thePath);
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return false;
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}
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current = new NormDirectory(thePath);
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if (current && current->Open())
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{
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path_len = (int)strlen(current->Path());
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path_len = MIN(PATH_MAX, path_len);
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return true;
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}
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else
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{
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DMSG(0, "NormDirectoryIterator: can't open directory: %s\n", thePath);
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if (current) delete current;
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current = NULL;
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return false;
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}
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} // end NormDirectoryIterator::Init()
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|
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void NormDirectoryIterator::Close()
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{
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NormDirectory* d;
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while ((d = current))
|
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{
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current = d->parent;
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d->Close();
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delete d;
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}
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} // end NormDirectoryIterator::Close()
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bool NormDirectoryIterator::GetPath(char* pathBuffer)
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{
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if (current)
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{
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NormDirectory* d = current;
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while (d->parent) d = d->parent;
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strncpy(pathBuffer, d->Path(), PATH_MAX);
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return true;
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}
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else
|
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{
|
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pathBuffer[0] = '\0';
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return false;
|
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}
|
|
}
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|
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#ifdef WIN32
|
|
bool NormDirectoryIterator::GetNextFile(char* fileName)
|
|
{
|
|
if (!current) return false;
|
|
bool success = true;
|
|
while(success)
|
|
{
|
|
WIN32_FIND_DATA findData;
|
|
if (current->hSearch == (HANDLE)-1)
|
|
{
|
|
// Construct search string
|
|
current->GetFullName(fileName);
|
|
strcat(fileName, "\\*");
|
|
#ifdef _UNICODE
|
|
wchar_t wideBuffer[MAX_PATH];
|
|
mbstowcs(wideBuffer, fileName, MAX_PATH);
|
|
if ((HANDLE)-1 ==
|
|
(current->hSearch = FindFirstFile(wideBuffer, &findData)))
|
|
#else
|
|
if ((HANDLE)-1 ==
|
|
(current->hSearch = FindFirstFile(fileName, &findData)))
|
|
#endif // if/else _UNICODE
|
|
success = false;
|
|
else
|
|
success = true;
|
|
}
|
|
else
|
|
{
|
|
success = (0 != FindNextFile(current->hSearch, &findData));
|
|
}
|
|
|
|
// Do we have a candidate file?
|
|
if (success)
|
|
{
|
|
#ifdef _UNICODE
|
|
char cFileName[MAX_PATH];
|
|
wcstombs(cFileName, findData.cFileName, MAX_PATH);
|
|
char* ptr = strrchr(cFileName, PROTO_PATH_DELIMITER);
|
|
#else
|
|
char* ptr = strrchr(findData.cFileName, PROTO_PATH_DELIMITER);
|
|
#endif // if/else _UNICODE
|
|
if (ptr)
|
|
ptr += 1;
|
|
else
|
|
#ifdef _UNICODE
|
|
ptr = cFileName;
|
|
#else
|
|
ptr = findData.cFileName;
|
|
#endif // if/else _UNICODE
|
|
|
|
// Skip "." and ".." directories
|
|
if (ptr[0] == '.')
|
|
{
|
|
if ((1 == strlen(ptr)) ||
|
|
((ptr[1] == '.') && (2 == strlen(ptr))))
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
current->GetFullName(fileName);
|
|
strcat(fileName, ptr);
|
|
NormFile::Type type = NormFile::GetType(fileName);
|
|
if (NormFile::NORMAL == type)
|
|
{
|
|
size_t nameLen = strlen(fileName);
|
|
nameLen = MIN(PATH_MAX, nameLen);
|
|
nameLen -= path_len;
|
|
memmove(fileName, fileName+path_len, nameLen);
|
|
if (nameLen < PATH_MAX) fileName[nameLen] = '\0';
|
|
return true;
|
|
}
|
|
else if (NormFile::DIRECTORY == type)
|
|
{
|
|
|
|
NormDirectory *dir = new NormDirectory(ptr, current);
|
|
if (dir && dir->Open())
|
|
{
|
|
// Push sub-directory onto stack and search it
|
|
current = dir;
|
|
return GetNextFile(fileName);
|
|
}
|
|
else
|
|
{
|
|
// Couldn't open try next one
|
|
if (dir) delete dir;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// NormFile::INVALID file, try next one
|
|
}
|
|
} // end if(success)
|
|
} // end while(success)
|
|
|
|
// if parent, popup a level and continue search
|
|
if (current->parent)
|
|
{
|
|
current->Close();
|
|
NormDirectory *dir = current;
|
|
current = current->parent;
|
|
delete dir;
|
|
return GetNextFile(fileName);
|
|
}
|
|
else
|
|
{
|
|
current->Close();
|
|
delete current;
|
|
current = NULL;
|
|
return false;
|
|
}
|
|
} // end NormDirectoryIterator::GetNextFile() (WIN32)
|
|
#else
|
|
bool NormDirectoryIterator::GetNextFile(char* fileName)
|
|
{
|
|
if (!current) return false;
|
|
struct dirent *dp;
|
|
while((dp = readdir(current->dptr)))
|
|
{
|
|
// Make sure it's not "." or ".."
|
|
if (dp->d_name[0] == '.')
|
|
{
|
|
if ((1 == strlen(dp->d_name)) ||
|
|
((dp->d_name[1] == '.' ) && (2 == strlen(dp->d_name))))
|
|
{
|
|
continue; // skip "." and ".." directory names
|
|
}
|
|
}
|
|
current->GetFullName(fileName);
|
|
strcat(fileName, dp->d_name);
|
|
NormFile::Type type = NormFile::GetType(fileName);
|
|
if (NormFile::NORMAL == type)
|
|
{
|
|
int nameLen = strlen(fileName);
|
|
nameLen = MIN(PATH_MAX, nameLen);
|
|
nameLen -= path_len;
|
|
memmove(fileName, fileName+path_len, nameLen);
|
|
if (nameLen < PATH_MAX) fileName[nameLen] = '\0';
|
|
return true;
|
|
}
|
|
else if (NormFile::DIRECTORY == type)
|
|
{
|
|
NormDirectory *dir = new NormDirectory(dp->d_name, current);
|
|
if (dir && dir->Open())
|
|
{
|
|
// Push sub-directory onto stack and search it
|
|
current = dir;
|
|
return GetNextFile(fileName);
|
|
}
|
|
else
|
|
{
|
|
// Couldn't open this one, try next one
|
|
if (dir) delete dir;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// NormFile::INVALID, try next one
|
|
}
|
|
} // end while(readdir())
|
|
|
|
// Pop up a level and recursively continue or finish if done
|
|
if (current->parent)
|
|
{
|
|
char path[PATH_MAX];
|
|
current->parent->GetFullName(path);
|
|
current->Close();
|
|
NormDirectory *dir = current;
|
|
current = current->parent;
|
|
delete dir;
|
|
return GetNextFile(fileName);
|
|
}
|
|
else
|
|
{
|
|
current->Close();
|
|
delete current;
|
|
current = NULL;
|
|
return false; // no more files remain
|
|
}
|
|
} // end NormDirectoryIterator::GetNextFile() (UNIX)
|
|
#endif // if/else WIN32
|
|
|
|
NormDirectoryIterator::NormDirectory::NormDirectory(const char* thePath,
|
|
NormDirectory* theParent)
|
|
: parent(theParent),
|
|
#ifdef WIN32
|
|
hSearch((HANDLE)-1)
|
|
#else
|
|
dptr(NULL)
|
|
#endif // if/else WIN32
|
|
{
|
|
strncpy(path, thePath, PATH_MAX);
|
|
size_t len = MIN(PATH_MAX, strlen(path));
|
|
if ((len < PATH_MAX) && (PROTO_PATH_DELIMITER != path[len-1]))
|
|
{
|
|
path[len++] = PROTO_PATH_DELIMITER;
|
|
if (len < PATH_MAX) path[len] = '\0';
|
|
}
|
|
}
|
|
|
|
NormDirectoryIterator::NormDirectory::~NormDirectory()
|
|
{
|
|
Close();
|
|
}
|
|
|
|
bool NormDirectoryIterator::NormDirectory::Open()
|
|
{
|
|
Close(); // in case it's already open
|
|
char fullName[PATH_MAX];
|
|
GetFullName(fullName);
|
|
// Get rid of trailing PROTO_PATH_DELIMITER
|
|
size_t len = MIN(PATH_MAX, strlen(fullName));
|
|
if (PROTO_PATH_DELIMITER == fullName[len-1]) fullName[len-1] = '\0';
|
|
#ifdef WIN32
|
|
#ifdef _UNICODE
|
|
wchar_t wideBuffer[MAX_PATH];
|
|
mbstowcs(wideBuffer, fullName, MAX_PATH);
|
|
DWORD attr = GetFileAttributes(wideBuffer);
|
|
#else
|
|
DWORD attr = GetFileAttributes(fullName);
|
|
#endif // if/else _UNICODE
|
|
if (0xFFFFFFFF == attr)
|
|
return false;
|
|
else if (attr & FILE_ATTRIBUTE_DIRECTORY)
|
|
return true;
|
|
else
|
|
return false;
|
|
#else
|
|
if((dptr = opendir(fullName)))
|
|
return true;
|
|
else
|
|
return false;
|
|
#endif // if/else WIN32
|
|
|
|
} // end NormDirectoryIterator::NormDirectory::Open()
|
|
|
|
void NormDirectoryIterator::NormDirectory::Close()
|
|
{
|
|
#ifdef WIN32
|
|
if (hSearch != (HANDLE)-1)
|
|
{
|
|
FindClose(hSearch);
|
|
hSearch = (HANDLE)-1;
|
|
}
|
|
#else
|
|
if (dptr)
|
|
{
|
|
closedir(dptr);
|
|
dptr = NULL;
|
|
}
|
|
#endif // if/else WIN32
|
|
} // end NormDirectoryIterator::NormDirectory::Close()
|
|
|
|
|
|
void NormDirectoryIterator::NormDirectory::GetFullName(char* ptr)
|
|
{
|
|
ptr[0] = '\0';
|
|
RecursiveCatName(ptr);
|
|
} // end NormDirectoryIterator::NormDirectory::GetFullName()
|
|
|
|
void NormDirectoryIterator::NormDirectory::RecursiveCatName(char* ptr)
|
|
{
|
|
if (parent) parent->RecursiveCatName(ptr);
|
|
size_t len = MIN(PATH_MAX, strlen(ptr));
|
|
strncat(ptr, path, PATH_MAX-len);
|
|
} // end NormDirectoryIterator::NormDirectory::RecursiveCatName()
|
|
|
|
// Below are some static routines for getting file/directory information
|
|
|
|
// Is the named item a valid directory or file (or neither)??
|
|
NormFile::Type NormFile::GetType(const char* path)
|
|
{
|
|
#ifdef WIN32
|
|
#ifdef _UNICODE
|
|
wchar_t wideBuffer[MAX_PATH];
|
|
mbstowcs(wideBuffer, path, MAX_PATH);
|
|
DWORD attr = GetFileAttributes(wideBuffer);
|
|
#else
|
|
DWORD attr = GetFileAttributes(path);
|
|
#endif // if/else _UNICODE
|
|
if (0xFFFFFFFF == attr)
|
|
return INVALID; // error
|
|
else if (attr & FILE_ATTRIBUTE_DIRECTORY)
|
|
return DIRECTORY;
|
|
else
|
|
return NORMAL;
|
|
#else
|
|
struct stat file_info;
|
|
if (stat(path, &file_info))
|
|
return INVALID; // stat() error
|
|
else if ((S_ISDIR(file_info.st_mode)))
|
|
return DIRECTORY;
|
|
else
|
|
return NORMAL;
|
|
#endif // if/else WIN32
|
|
} // end NormFile::GetType()
|
|
|
|
NormFile::Offset NormFile::GetSize(const char* path)
|
|
{
|
|
#ifdef _WIN32_WCE
|
|
WIN32_FIND_DATA findData;
|
|
#ifdef _UNICODE
|
|
wchar_t wideBuffer[MAX_PATH];
|
|
mbstowcs(wideBuffer, path, MAX_PATH);
|
|
if (INVALID_HANDLE_VALUE != FindFirstFile(wideBuffer, &findData))
|
|
#else
|
|
if (INVALID_HANDLE_VALUE != FindFirstFile(path, &findData))
|
|
#endif // if/else _UNICODE
|
|
{
|
|
Offset fileSize = findData.nFileSizeLow;
|
|
if (sizeof(Offset) > 4)
|
|
fileSize |= ((Offset)findData.nFileSizeHigh) << (8*sizeof(DWORD));
|
|
return fileSize;
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "Error getting file size: %s\n", GetErrorString());
|
|
return 0;
|
|
}
|
|
#else
|
|
#ifdef WIN32
|
|
struct _stati64 info; // instead of "struct _stat"
|
|
int result = _stati64(path, &info); // instead of "_stat()"
|
|
#else
|
|
struct stat info;
|
|
int result = stat(path, &info);
|
|
#endif // if/else WIN32
|
|
if (result)
|
|
{
|
|
//DMSG(0, "Error getting file size: %s\n", GetErrorString());
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
return info.st_size;
|
|
}
|
|
#endif // if/else _WIN32_WCE
|
|
} // end NormFile::GetSize()
|
|
|
|
|
|
time_t NormFile::GetUpdateTime(const char* path)
|
|
{
|
|
#ifdef _WIN32_WCE
|
|
WIN32_FIND_DATA findData;
|
|
#ifdef _UNICODE
|
|
wchar_t wideBuffer[MAX_PATH];
|
|
mbstowcs(wideBuffer, path, MAX_PATH);
|
|
if (INVALID_HANDLE_VALUE != FindFirstFile(wideBuffer, &findData))
|
|
#else
|
|
if (INVALID_HANDLE_VALUE != FindFirstFile(path, &findData))
|
|
#endif // if/else _UNICODE
|
|
{
|
|
ULARGE_INTEGER ctime = {findData.ftCreationTime.dwLowDateTime,
|
|
findData.ftCreationTime.dwHighDateTime};
|
|
ULARGE_INTEGER atime = {findData.ftLastAccessTime.dwLowDateTime,
|
|
findData.ftLastAccessTime.dwHighDateTime};
|
|
ULARGE_INTEGER mtime = {findData.ftLastWriteTime.dwLowDateTime,
|
|
findData.ftLastWriteTime.dwHighDateTime};
|
|
if (ctime.QuadPart < atime.QuadPart) ctime = atime;
|
|
if (ctime.QuadPart < mtime.QuadPart) ctime = mtime;
|
|
const ULARGE_INTEGER epochTime = {0xD53E8000, 0x019DB1DE};
|
|
ctime.QuadPart -= epochTime.QuadPart;
|
|
// Convert sytem time to seconds
|
|
ctime.QuadPart /= 10000000;
|
|
return ctime.LowPart;
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "Error getting file size: %s\n", GetErrorString());
|
|
return 0;
|
|
}
|
|
#else
|
|
#ifdef WIN32
|
|
struct _stati64 info; // instead of "struct _stat"
|
|
int result = _stati64(path, &info); // instead of "_stat()"
|
|
#else
|
|
struct stat info;
|
|
int result = stat(path, &info);
|
|
#endif // if/else WIN32
|
|
if (result)
|
|
{
|
|
return (time_t)0; // stat() error
|
|
}
|
|
else
|
|
{
|
|
#ifdef WIN32
|
|
// Hack because Win2K and Win98 seem to work differently
|
|
//__time64_t updateTime = MAX(info.st_ctime, info.st_atime);
|
|
time_t updateTime = MAX(info.st_ctime, info.st_atime);
|
|
updateTime = MAX(updateTime, info.st_mtime);
|
|
return ((time_t)updateTime);
|
|
#else
|
|
return info.st_ctime;
|
|
#endif // if/else WIN32
|
|
}
|
|
#endif // if/else _WIN32_WCE
|
|
} // end NormFile::GetUpdateTime()
|
|
|
|
bool NormFile::IsLocked(const char* path)
|
|
{
|
|
// If file doesn't exist, it's not locked
|
|
if (!Exists(path)) return false;
|
|
NormFile testFile;
|
|
#ifdef WIN32
|
|
if(!testFile.Open(path, O_WRONLY | O_CREAT))
|
|
#else
|
|
if(!testFile.Open(path, O_WRONLY | O_CREAT))
|
|
#endif // if/else WIN32
|
|
{
|
|
return true;
|
|
}
|
|
else if (testFile.Lock())
|
|
{
|
|
// We were able to lock the file successfully
|
|
testFile.Unlock();
|
|
testFile.Close();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
testFile.Close();
|
|
return true;
|
|
}
|
|
} // end NormFile::IsLocked()
|
|
|
|
bool NormFile::Unlink(const char* path)
|
|
{
|
|
// Don't unlink a file that is open (locked)
|
|
if (NormFile::IsLocked(path))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#ifdef _WIN32_WCE
|
|
#ifdef _UNICODE
|
|
wchar_t wideBuffer[MAX_PATH];
|
|
mbstowcs(wideBuffer, path, MAX_PATH);
|
|
if (0 == DeleteFile(wideBuffer))
|
|
#else
|
|
if (0 == DeleteFile(path))
|
|
#endif // if/else _UNICODE
|
|
{
|
|
DMSG(0, "NormFile::Unlink() DeletFile() error: %s\n", GetErrorString());
|
|
return false;
|
|
}
|
|
#else
|
|
#ifdef WIN32
|
|
if (_unlink(path))
|
|
#else
|
|
if (unlink(path))
|
|
#endif // if/else WIN32
|
|
{
|
|
DMSG(0, "NormFile::Unlink() unlink error: %s\n", GetErrorString());
|
|
return false;
|
|
}
|
|
#endif // if/else _WIN32_WCE
|
|
else
|
|
{
|
|
return true;
|
|
}
|
|
|
|
} // end NormFile::Unlink()
|
|
|
|
NormFileList::NormFileList()
|
|
: this_time(0), big_time(0), last_time(0),
|
|
updates_only(false), head(NULL), tail(NULL), next(NULL)
|
|
{
|
|
}
|
|
|
|
NormFileList::~NormFileList()
|
|
{
|
|
Destroy();
|
|
}
|
|
|
|
void NormFileList::Destroy()
|
|
{
|
|
while ((next = head))
|
|
{
|
|
head = next->next;
|
|
delete next;
|
|
}
|
|
tail = NULL;
|
|
} // end NormFileList::Destroy()
|
|
|
|
bool NormFileList::Append(const char* path)
|
|
{
|
|
FileItem* theItem = NULL;
|
|
switch(NormFile::GetType(path))
|
|
{
|
|
case NormFile::NORMAL:
|
|
theItem = new FileItem(path);
|
|
break;
|
|
case NormFile::DIRECTORY:
|
|
theItem = new DirectoryItem(path);
|
|
break;
|
|
default:
|
|
// Allow non-existent files for update_only mode
|
|
// (TBD) allow non-existent directories?
|
|
if (updates_only)
|
|
{
|
|
theItem = new FileItem(path);
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "NormFileList::Append() Bad file/directory name: %s\n",
|
|
path);
|
|
return false;
|
|
}
|
|
break;
|
|
}
|
|
if (theItem)
|
|
{
|
|
theItem->next = NULL;
|
|
if ((theItem->prev = tail))
|
|
tail->next = theItem;
|
|
else
|
|
head = theItem;
|
|
tail = theItem;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "NormFileList::Append() Error creating file/directory item: %s\n",
|
|
GetErrorString());
|
|
return false;
|
|
}
|
|
} // end NormFileList::Append()
|
|
|
|
bool NormFileList::Remove(const char* path)
|
|
{
|
|
FileItem* nextItem = head;
|
|
size_t pathLen = strlen(path);
|
|
pathLen = MIN(pathLen, PATH_MAX);
|
|
while (nextItem)
|
|
{
|
|
size_t nameLen = strlen(nextItem->Path());
|
|
nameLen = MIN(nameLen, PATH_MAX);
|
|
nameLen = MAX(nameLen, pathLen);
|
|
if (!strncmp(path, nextItem->Path(), nameLen))
|
|
{
|
|
if (nextItem == next) next = nextItem->next;
|
|
if (nextItem->prev)
|
|
nextItem->prev = next = nextItem->next;
|
|
else
|
|
head = nextItem->next;
|
|
if (nextItem->next)
|
|
nextItem->next->prev = nextItem->prev;
|
|
else
|
|
tail = nextItem->prev;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
} // end NormFileList::Remove()
|
|
|
|
bool NormFileList::GetNextFile(char* pathBuffer)
|
|
{
|
|
if (!next)
|
|
{
|
|
next = head;
|
|
reset = true;
|
|
}
|
|
if (next)
|
|
{
|
|
if (next->GetNextFile(pathBuffer, reset, updates_only,
|
|
last_time, this_time, big_time))
|
|
{
|
|
reset = false;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if (next->next)
|
|
{
|
|
next = next->next;
|
|
reset = true;
|
|
return GetNextFile(pathBuffer);
|
|
}
|
|
else
|
|
{
|
|
reset = false;
|
|
return false; // end of list
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false; // empty list
|
|
}
|
|
} // end NormFileList::GetNextFile()
|
|
|
|
void NormFileList::GetCurrentBasePath(char* pathBuffer)
|
|
{
|
|
if (next)
|
|
{
|
|
if (NormFile::DIRECTORY == next->GetType())
|
|
{
|
|
strncpy(pathBuffer, next->Path(), PATH_MAX);
|
|
size_t len = strlen(pathBuffer);
|
|
len = MIN(len, PATH_MAX);
|
|
if (PROTO_PATH_DELIMITER != pathBuffer[len-1])
|
|
{
|
|
if (len < PATH_MAX) pathBuffer[len++] = PROTO_PATH_DELIMITER;
|
|
if (len < PATH_MAX) pathBuffer[len] = '\0';
|
|
}
|
|
}
|
|
else // NormFile::NORMAL
|
|
{
|
|
const char* ptr = strrchr(next->Path(), PROTO_PATH_DELIMITER);
|
|
if (ptr++)
|
|
{
|
|
size_t len = ptr - next->Path();
|
|
strncpy(pathBuffer, next->Path(), len);
|
|
pathBuffer[len] = '\0';
|
|
}
|
|
else
|
|
{
|
|
pathBuffer[0] = '\0';
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pathBuffer[0] = '\0';
|
|
}
|
|
} // end NormFileList::GetBasePath()
|
|
|
|
|
|
NormFileList::FileItem::FileItem(const char* thePath)
|
|
: prev(NULL), next(NULL)
|
|
{
|
|
size_t len = strlen(thePath);
|
|
len = MIN(len, PATH_MAX);
|
|
strncpy(path, thePath, PATH_MAX);
|
|
size = NormFile::GetSize(thePath);
|
|
}
|
|
|
|
NormFileList::FileItem::~FileItem()
|
|
{
|
|
}
|
|
|
|
bool NormFileList::FileItem::GetNextFile(char* thePath,
|
|
bool reset,
|
|
bool updatesOnly,
|
|
time_t lastTime,
|
|
time_t thisTime,
|
|
time_t& bigTime)
|
|
{
|
|
if (reset)
|
|
{
|
|
if (updatesOnly)
|
|
{
|
|
time_t updateTime = NormFile::GetUpdateTime(thePath);
|
|
if (updateTime > bigTime) bigTime = updateTime;
|
|
if ((updateTime <= lastTime) || (updateTime > thisTime))
|
|
return false;
|
|
}
|
|
strncpy(thePath, path, PATH_MAX);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
} // end NormFileList::FileItem::GetNextFile()
|
|
|
|
NormFileList::DirectoryItem::DirectoryItem(const char* thePath)
|
|
: NormFileList::FileItem(thePath)
|
|
{
|
|
|
|
}
|
|
|
|
NormFileList::DirectoryItem::~DirectoryItem()
|
|
{
|
|
diterator.Close();
|
|
}
|
|
|
|
bool NormFileList::DirectoryItem::GetNextFile(char* thePath,
|
|
bool reset,
|
|
bool updatesOnly,
|
|
time_t lastTime,
|
|
time_t thisTime,
|
|
time_t& bigTime)
|
|
{
|
|
if (reset)
|
|
{
|
|
/* For now we are going to poll all files in a directory individually
|
|
since directory update times aren't always changed when files are
|
|
are replaced within the directory tree ... uncomment this code
|
|
if you only want to check directory nodes that have had their
|
|
change time updated
|
|
if (updates_only)
|
|
{
|
|
// Check to see if directory has been touched
|
|
time_t update_time = MdpFileGetUpdateTime(path);
|
|
if (updateTime > bigTime) *bigTime = updateTime;
|
|
if ((updateTime <= lastTime) || (updateTime > thisTime))
|
|
return false;
|
|
} */
|
|
if (!diterator.Open(path))
|
|
{
|
|
DMSG(0, "NormFileList::DirectoryItem::GetNextFile() Directory iterator init error\n");
|
|
return false;
|
|
}
|
|
}
|
|
strncpy(thePath, path, PATH_MAX);
|
|
size_t len = strlen(thePath);
|
|
len = MIN(len, PATH_MAX);
|
|
if ((PROTO_PATH_DELIMITER != thePath[len-1]) && (len < PATH_MAX))
|
|
{
|
|
thePath[len++] = PROTO_PATH_DELIMITER;
|
|
if (len < PATH_MAX) thePath[len] = '\0';
|
|
}
|
|
char tempPath[PATH_MAX];
|
|
while (diterator.GetNextFile(tempPath))
|
|
{
|
|
size_t maxLen = PATH_MAX - len;
|
|
strncat(thePath, tempPath, maxLen);
|
|
if (updatesOnly)
|
|
{
|
|
time_t updateTime = NormFile::GetUpdateTime(thePath);
|
|
if (updateTime > bigTime) bigTime = updateTime;
|
|
if ((updateTime <= lastTime) || (updateTime > thisTime))
|
|
{
|
|
thePath[len] = '\0';
|
|
continue;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
} // end NormFileList::DirectoryItem::GetNextFile()
|