unsigned long long = 0
);
- char getFileType() const { return filetype; }
+ char getFileType() const { return filetype; }
+ const std::string &getPermissions() const { return permissions; }
+ const std::string &getUserName() const { return username; }
+ const std::string &getGroupName() const { return groupname; }
+ unsigned long getFileSize() const { return filesize; }
+ unsigned long long getModifiedDate() const { return modified_date; }
+ const std::string &getFileName() const { return filename; }
+ unsigned long long getLastBackupDate() const { return last_backup_date; }
- const std::string &getFileName() const { return filename; }
+ void setFileType( char arg ) { filetype = arg; }
+ void setPermissions( const std::string &arg ) { permissions = arg; }
+ void setUserName( const std::string &arg ) { username = arg; }
+ void setGroupName( const std::string &arg ) { groupname = arg; }
+ void setFileSize( unsigned long arg ) { filesize = arg; }
+ void setModifiedDate( unsigned long long arg ) { modified_date = arg; }
+ void setFileName( const std::string &arg ) { filename = arg; }
+ void setLastBackupDate( unsigned long long arg ) { last_backup_date = arg; }
private:
FileData();
return out;
}
+// Callback function for getting files from the database
int populate_set( void *files_v, int, char **vals, char ** ) {
file_set *files = reinterpret_cast<file_set*>( files_v );
files->insert( new FileData( vals[0][0],
int main() {
string file_string;
- file_set current_files;
+ file_set current;
// Parse the list of files on stdin
do {
// type perms user group size datemodified name (7 total)
// f 0600 cnb cnb 424 20051015205340 ./.git/index
vector<string> vals = split( file_string, ' ', 7 );
- current_files.insert( new FileData( vals[0][0],
+ current.insert( new FileData( vals[0][0],
vals[1],
vals[2],
vals[3],
}
char *sqliteErrMsg = 0;
- file_set previous_files;
- rc = sqlite3_exec( db, "select * from filedata;", populate_set, &previous_files, &sqliteErrMsg );
+ file_set backed_up;
+ rc = sqlite3_exec( db, "select * from filedata;", populate_set, &backed_up, &sqliteErrMsg );
if( SQLITE_OK != rc ) {
cerr << "Problem with database. Message is..." << endl;
cerr << sqliteErrMsg << endl;
sqlite3_close( db );
- for( file_set::iterator i = previous_files.begin(); i != previous_files.end(); ++i ) {
+ for( file_set::iterator i = backed_up.begin(); i != backed_up.end(); ++i ) {
cout << (*i)->getFileName() << endl;
}
+
+ // Now divide the two sets into three sets (new, deleted and updated )
+ FileDataPtrCmp cmp;
+
+ file_set new_set;
+ set_difference( current.begin(), current.end(),
+ backed_up.begin(), backed_up.end(),
+ inserter( new_set, new_set.begin() ),
+ cmp );
+
+ file_set deleted;
+ set_difference( backed_up.begin(), backed_up.end(),
+ current.begin(), current.end(),
+ inserter( deleted, deleted.begin() ),
+ cmp );
+
+ // backed_up should *definitely* be the first set here
+ file_set updated;
+ set_difference( backed_up.begin(), backed_up.end(),
+ current.begin(), current.end(),
+ inserter( updated, updated.begin() ),
+ cmp );
+
+ // Now find the list of files to backup.
+ file_set backup_list;
+
+ // backup all new files
+ copy( new_set.begin(), new_set.end(), inserter( backup_list, backup_list.begin() ) );
+
+ // backup all the already backed-up files that have changed since the last
+ // backup date.
+ for( file_set::iterator i = updated.begin(); i != updated.end(); ++i ) {
+ if( (*i)->getLastBackupDate() < (*i)->getModifiedDate() ) {
+ backup_list.insert( *i );
+ }
+ }
+
+ // Now, sort the backup_list by filesize and build a list of up to SIZE
+
+ //
+ // Now, sort the non-backed-up list my last_backup_date and back-fill
+
+ // Remove deleted files from the database.
+
+ // Now, use the current set to update values in the database. You should copy
+ // last_backup_date dates from the backed_up set first. This will get all of
+ // the latest permissions but include the last_backup_date.
+
+ // Now, update the last_backup_date for all of the files that are in the list
+
+ // Clean-up
+ for( file_set::iterator i = backed_up.begin(); i != backed_up.end(); ++i ) { delete *i; }
+ for( file_set::iterator i = current.begin(); i != current.end(); ++i ) { delete *i; }
}