public bool SendBitField(bool[] bitField, bool obsf)
{
var obsfIDs = new UInt32[0];
if (obsf && bitField.Length > 32)
{
var rand = new Random();
var obsfCount = (UInt32)Math.Min(16, bitField.Length / 16);
UInt32 distObsf = 0;
obsfIDs = new UInt32[obsfCount];
while (distObsf < obsfCount)
{
var piece = (UInt32)rand.Next(0, bitField.Length);
if (obsfIDs.Contains(piece))
{
continue;
}
obsfIDs[distObsf] = piece;
distObsf++;
}
}
var bytes = new byte[bitField.Length / 8];
for (UInt32 i = 0; i < bitField.Length; i++)
{
if (obsfIDs.Contains(i))
{
continue;
}
var x = (int)Math.Floor((double)i / 8);
var p = (ushort)(i % 8);
if (bitField[i])
{
bytes[x] = bytes[x].SetBit(p);
}
}
var sent = Socket.Send(new PeerMessageBuilder(5).Add(bytes).Message());
if (obsfIDs.Length > 0)
{
foreach (var obsfID in obsfIDs)
{
SendHave(obsfID);
}
}
return(sent == (5 + bitField.Length));
}
private Dictionary <int, int> GetMaxCharacterWidth(SheetData sheetData)
{
//iterate over all cells getting a max char value for each column
var maxColWidth = new Dictionary <int, int>();
var rows = sheetData.Elements <Row>();
//TODO: Be smarter about this for our set styles
var numberStyles = new UInt32[] { 5, 6, 7, 8 }; //styles that will add extra chars
var boldStyles = new UInt32[] { 1, 2, 3, 4, 6, 7, 8 }; //styles that will bold
foreach (var r in rows)
{
var cells = r.Elements <Cell>().ToArray();
//using cell index as my column
for (int i = 0; i < cells.Length; i++)
{
var cell = cells[i];
var cellValue = cell.CellValue == null ? string.Empty : cell.CellValue.InnerText;
var cellTextLength = cellValue.Length;
if (cell.StyleIndex != null && numberStyles.Contains(cell.StyleIndex))
{
int thousandCount = (int)Math.Truncate((double)cellTextLength / 4);
//add 3 for '.00'
cellTextLength += (3 + thousandCount);
}
if (cell.StyleIndex != null && boldStyles.Contains(cell.StyleIndex))
{
//add an extra char for bold - not 100% acurate but good enough for what i need.
cellTextLength += 1;
}
if (maxColWidth.ContainsKey(i))
{
var current = maxColWidth[i];
if (cellTextLength > current)
{
maxColWidth[i] = cellTextLength;
}
}
else
{
maxColWidth.Add(i, cellTextLength);
}
}
}
return(maxColWidth);
}
protected Dictionary <int, int> GetColumnMaxCharacters(SheetData sheetData)
{
//iterate over all cells getting a max char value for each column
Dictionary <int, int> returnCollection = new Dictionary <int, int>();
var rows = sheetData.Elements <Row>();
UInt32[] numberStyles = new UInt32[] { 5, 6, 7, 8 }; //styles that will add extra chars
UInt32[] boldStyles = new UInt32[] { 1, 2, 3, 4, 6, 7, 8 }; //styles that will bold
var rowNumber = 0;
foreach (var r in rows)
{
rowNumber++;
if (RowsToExcludeMaxCharacters.Contains(rowNumber))
{
continue;
}
var cells = r.Elements <Cell>().ToArray();
//using cell index as my column
for (int i = 0; i < cells.Length; i++)
{
var cell = cells[i];
var cellValue = cell.CellValue == null ? string.Empty : cell.CellValue.InnerText;
var cellTextLength = cellValue.Length;
if (cellValue.IndexOf(Environment.NewLine) != -1)
{
cellTextLength = 0;
var values = cellValue.Replace(Environment.NewLine, "|").Split('|');
foreach (var value in values)
{
var valueLength = value.Length;
if (valueLength > cellTextLength)
{
cellTextLength = valueLength;
}
}
}
if (cell.StyleIndex != null && numberStyles.Contains(cell.StyleIndex))
{
int thousandCount = (int)Math.Truncate((double)cellTextLength / 4);
//add 3 for '.00'
cellTextLength += (3 + thousandCount);
}
if (cell.StyleIndex != null && boldStyles.Contains(cell.StyleIndex))
{
//add an extra char for bold - not 100% acurate but good enough for what i need.
cellTextLength += 1;
}
if (returnCollection.ContainsKey(i))
{
var current = returnCollection[i];
if (cellTextLength > current)
{
returnCollection[i] = cellTextLength;
}
}
else
{
returnCollection.Add(i, cellTextLength);
}
}
}
return(returnCollection);
}
/// <summary>
/// Restores database files, pages and objects from a .csv file data created with ExportToCSV
/// </summary>
/// <param name="session">the active session</param>
/// <param name="csvDirectory">Path to directory containing CSV files</param>
static public void ImportFromCSV(this SessionBase session, string csvDirectory)
{
const char fieldSeperator = ',';
DirectoryInfo di = new DirectoryInfo(csvDirectory);
#if WINDOWS_PHONE
List <FileInfo> files = di.GetFiles("*.csv").ToList();
#else
List <FileInfo> files = di.GetFiles("*.csv", SearchOption.TopDirectoryOnly).ToList();
#endif
Schema schema = session.OpenSchema(false);
using (StreamReader textReader = new StreamReader(Path.Combine(csvDirectory, "Database.csv")))
{
string header = textReader.ReadLine();
string dbInfoString = textReader.ReadLine();
while (dbInfoString != null)
{
string[] dbInfo = dbInfoString.Split(fieldSeperator);
UInt32 dbNum = UInt32.Parse(dbInfo[0]);
string dbName = dbInfo[1].Trim(new char[] { '"' });
Database db = null;
if (dbNum < 10)
{
db = session.OpenDatabase(dbNum, false, false);
}
if (db == null)
{
db = session.NewDatabase(dbNum, 0, dbName);
}
dbInfoString = textReader.ReadLine();
}
}
using (StreamReader textReader = new StreamReader(Path.Combine(csvDirectory, "Page.csv")))
{
string header = textReader.ReadLine();
string pageInfoString = textReader.ReadLine();
while (pageInfoString != null)
{
int i = 0;
string[] pageInfo = pageInfoString.Split(fieldSeperator);
UInt32 dbNum = UInt32.Parse(pageInfo[i++]);
UInt16 pageNum = UInt16.Parse(pageInfo[i++]);
UInt16 numberOfSlots = UInt16.Parse(pageInfo[i++]);
UInt16 firstFreeSlot = UInt16.Parse(pageInfo[i++]);
UInt64 versionNumber = UInt64.Parse(pageInfo[i++]);
PageInfo.encryptionKind encryptionKind = (PageInfo.encryptionKind)Enum.Parse(typeof(PageInfo.encryptionKind), pageInfo[i++]);
PageInfo.compressionKind compressed = (PageInfo.compressionKind)Enum.Parse(typeof(PageInfo.compressionKind), pageInfo[i++]);
UInt32 typeVersion = UInt32.Parse(pageInfo[i]);
Database db = session.OpenDatabase(dbNum, false, false);
Page page = db.CachedPage(pageNum);
if (page == null)
{
page = new Page(db, pageNum, typeVersion, numberOfSlots);
page.PageInfo.Compressed = compressed;
page.PageInfo.Encryption = encryptionKind;
page.PageInfo.VersionNumber = versionNumber;
page.PageInfo.NumberOfSlots = numberOfSlots;
page.PageInfo.FirstFreeSlot = firstFreeSlot;
session.UpdatePage(ref page);
}
pageInfoString = textReader.ReadLine();
}
}
var schemaInternalTypeFiles = new[] {
"VelocityDb.TypeInfo.Schema65747.csv",
"VelocityDb.TypeInfo.TypeVersion65749.csv",
"VelocityDb.TypeInfo.VelocityDbType65753.csv",
"VelocityDb.TypeInfo.DataMember65745.csv",
"VelocityDb.Collection.BTree.BTreeSetOidShortVelocityDb.TypeInfo.VelocityDbType65623.csv",
"VelocityDb.Collection.Comparer.VelocityDbTypeComparer65655.csv"
};
var schemaInternalTypeFileInfo = new List <FileInfo>();
foreach (var fileName in schemaInternalTypeFiles)
{
schemaInternalTypeFileInfo.Add(di.GetFiles(fileName, SearchOption.TopDirectoryOnly).First());
}
foreach (FileInfo info in schemaInternalTypeFileInfo)
{
string numberString = Regex.Match(info.Name, @"\d+").Value;
if (numberString.Length > 0)
{
UInt32 typeShortId = UInt32.Parse(numberString);
UInt16 slotNumber = (UInt16)typeShortId;
TypeVersion tv = schema.GetTypeVersion(typeShortId, session);
if (tv != null)
{
using (StreamReader textReader = new StreamReader(info.FullName))
{
CsvReader csvReader = new CsvReader(textReader, true);
string[] fileldNames = csvReader.GetFieldHeaders();
foreach (string[] record in csvReader)
{
tv.ObjectBytesFromStrings(record, fileldNames, session, schema);
}
}
}
}
}
Database schemaDb = session.OpenDatabase(Schema.SchemaDB);
Page schemaPage = schemaDb.CachedPage(1);
schemaPage.FinishUpCsvImport();
var schemaTypes = new UInt32[] { 65747, 65749, 65753, 65745, 65623, 65655 };
for (int i = 0; i < 2; i++)
{
foreach (FileInfo info in files)
{
string numberString = Regex.Match(info.Name, @"\d+").Value;
if (numberString.Length > 0)
{
UInt32 typeShortId = UInt32.Parse(numberString);
UInt16 slotNumber = (UInt16)typeShortId;
if (((i == 0 && slotNumber < Schema.s_bootupTypeCountExpanded) || (i == 1 && slotNumber >= Schema.s_bootupTypeCountExpanded)) && !schemaTypes.Contains(typeShortId))
{
TypeVersion tv = schema.GetTypeVersion(typeShortId, session);
if (tv != null)
{
using (StreamReader textReader = new StreamReader(info.FullName))
{
var csvReader = new CsvReader(textReader, true);
string[] fileldNames = csvReader.GetFieldHeaders();
foreach (string[] record in csvReader)
{
tv.ObjectBytesFromStrings(record, fileldNames, session, schema);
}
}
}
}
}
}
}
}
public bool SendBitField(bool[] bitField, bool obsf)
{
UInt32[] obsfIDs = new UInt32[0];
if (obsf && bitField.Length > 32)
{
Random rand = new Random();
UInt32 obsfCount = (UInt32)Math.Min(16, bitField.Length / 16);
UInt32 distObsf = 0;
obsfIDs = new UInt32[obsfCount];
while (distObsf < obsfCount)
{
UInt32 piece = (UInt32)rand.Next(0, bitField.Length);
if (obsfIDs.Contains(piece)) continue;
obsfIDs[distObsf] = piece;
distObsf++;
}
}
byte[] bytes = new byte[bitField.Length / 8];
for (UInt32 i = 0; i < bitField.Length; i++)
{
if (obsfIDs.Contains(i)) continue;
int x = (int)Math.Floor((double)i/8);
ushort p = (ushort) (i%8);
if (bitField[i])
{
bytes[x] = bytes[x].SetBit(p);
}
}
int sent = Socket.Send(new PeerMessageBuilder(5).Add(bytes).Message());
if (obsfIDs.Length > 0)
{
foreach (UInt32 obsfID in obsfIDs)
{
SendHave(obsfID);
}
}
return sent == (5 + bitField.Length);
}