/// <summary>
/// Generates a byte array out of the given dataFormat and
/// the given data.
/// </summary>
/// <returns>The byte array.</returns>
public byte[] ToByteArray()
{
MemoryStream memory = new MemoryStream();
PacketStream stream = new PacketStream(memory);
int reallength = DataLength + 4;
byte[] array = new byte[reallength];
// Data length
stream.Write(DataLength);
// Ooops... Forgot the type over here :)
stream.Write((Int32)type);
foreach (Object obj in data)
{
if (obj is String)
{ // Write string
stream.Write((String)obj);
}
else if ( obj is Int32 )
{ // Write the object
stream.Write((Int32)obj);
}
else if (obj is Byte)
{ // Write byte.
stream.Write((Byte)obj);
}
else if (obj is String[])
{ // Write the string array.
stream.Write((String[])obj);
}
else if (obj is Int32[])
{ // Write each item.
stream.Write((Int32[])obj);
}
}
// Copy to our array, including the four needed
// Since we do not count the "Length" field in our
// calculation.
Array.Copy(memory.GetBuffer(), array, reallength);
// And return it.
return array;
}
/// <summary>
/// Parses the data format
/// </summary>
/// <param name="array"></param>
public override void Parse(byte[] array)
{
MemoryStream memory = new MemoryStream(array);
PacketStream stream = new PacketStream(memory);
try
{
Int32 statcount = 0;
String[] users;
Int32[] status;
List<Int32> avgspeed = new List<Int32>();
List<Int32> something = new List<Int32>();
List<Int32> cntfiles = new List<Int32>();
List<Int32> cntdirs = new List<Int32>();
Int32[] cntslotsfull;
// The first thing is the room we have joined.
room = stream.ReadString();
// Second: Users in this room.
users = stream.ReadStrings();
// Third: Status of each user
status = stream.ReadInts();
// Fourth: Read number of statistics
statcount = stream.ReadInt();
// Read each
while (statcount > 0)
{
Int32 read = 0;
// Read average speed.
read = stream.ReadInt();
avgspeed.Add(read);
// Read something
read = stream.ReadInt();
something.Add(read);
// Read number of files.
read = stream.ReadInt();
cntfiles.Add(read);
// Read Number of directories
read = stream.ReadInt();
cntdirs.Add(read);
--statcount;
}
// Last but not least: read states.
cntslotsfull = stream.ReadInts();
// Now assemble the users
for (int i = 0; i < users.Length; ++i)
{
User user = new User(users[i]);
// Now apply the rest of the data.
if (i < status.Length)
{ // Status of the user
user.Status = (UserStatus)status[i];
}
if (i < avgspeed.Count)
{ // Average speed
user.AverageSpeed = avgspeed[i];
}
if (i < something.Count)
{ // Unkown
user.Unkown = something[i];
}
if (i < cntfiles.Count)
{ // Number of files.
user.Files = cntfiles[i];
}
if (i < cntdirs.Count)
{ // Number of directories.
user.Directories = cntdirs[i];
}
if (i < cntslotsfull.Length)
{ // Number of full slots.
user.FullSlots = cntslotsfull[i];
}
// And finally add him to our list
this.users.Add(user);
}
}
catch (Exception)
{ // There was an error.
}
}
/// <summary>
/// Parses the input data and extracts all needed
/// information out of it.
/// </summary>
/// <param name="array">Array to read from</param>
public virtual void Parse(byte[] array)
{
MemoryStream stream = new MemoryStream(array);
PacketStream reader = new PacketStream(stream);
try
{
Int32 index = 0;
foreach (Type type in dataFormat)
{ // Read all information.
Object value = null;
if (type.Equals(typeof(Byte)))
{ // Read a byte
value = reader.ReadByte();
}
else if (type.Equals(typeof(Int32)))
{ // Read an int
value = reader.ReadInt();
}
else if (type.Equals(typeof(String)))
{ // Read the string
value = reader.ReadString();
}
else if (type.Equals(typeof(String[])))
{ // String array... where can I find the count?
value = reader.ReadStrings();
}
else if (type.Equals(typeof(Int32[])))
{ // Read all integers.
value = reader.ReadInts();
}
if (value != null)
{ // Set value
data[index] = value;
}
++index;
}
}
catch (Exception e)
{ // Throw some nasty exception here.
new InvalidPacketException(e.Message);
}
}
