/// <summary>
/// Create a bundle of messages
/// </summary>
/// <param name="origin">the origin of the osc bundle</param>
/// <param name="timestamp">timestamp</param>
/// <param name="messages">messages to bundle</param>
public OscBundle(Uri origin, OscTimeTag timestamp, params OscPacket[] messages)
{
Origin = origin;
Timestamp = timestamp;
packets = messages;
}
/// <summary>
/// Create a bundle of messages
/// </summary>
/// <param name="origin">the origin of the osc bundle</param>
/// <param name="timestamp">timestamp</param>
/// <param name="messages">messages to bundle</param>
public OscBundle(Uri origin, DateTime timestamp, params OscPacket[] messages)
{
Origin = origin;
Timestamp = OscTimeTag.FromDataTime(timestamp);
packets = messages;
}
/// <summary>
/// Create a bundle of messages
/// </summary>
/// <param name="timestamp">timestamp</param>
/// <param name="messages">messages to bundle</param>
public OscBundle(OscTimeTag timestamp, params OscPacket[] messages)
{
Origin = null;
Timestamp = timestamp;
packets = messages;
}
public new static OscBundle Parse(ref OscStringReader reader, IFormatProvider provider = null, OscSerializationToken endToken = OscSerializationToken.End)
{
if (provider == null)
{
provider = CultureInfo.InvariantCulture;
}
string ident = reader.ReadAddress(false)
.Trim();
if (BundleIdent.Equals(ident, StringComparison.Ordinal) == false)
{
throw new Exception($"Invalid bundle ident '{ident}'");
}
reader.ReadSeparator();
if (reader.ReadNextToken(out string timeStampStr) != OscSerializationToken.Literal)
{
throw new Exception("Invalid bundle timestamp");
}
OscTimeTag timeStamp = OscTimeTag.Parse(timeStampStr.Trim(), provider);
if (reader.ReadSeparatorOrEnd() == endToken)
{
return(new OscBundle(timeStamp));
}
List <OscPacket> packets = new List <OscPacket>();
OscSerializationToken token = OscSerializationToken.None;
token = reader.ReadNextToken(out string _);
while (token != endToken && token != OscSerializationToken.End)
{
if (token != OscSerializationToken.ObjectStart)
{
throw new Exception("Invalid bundle token");
}
packets.Add(OscPacket.Parse(ref reader, provider, OscSerializationToken.ObjectEnd));
token = reader.ReadNextToken(out string _);
if (token == OscSerializationToken.Separator)
{
token = reader.ReadNextToken(out string _);
}
}
if (token != endToken)
{
throw new OscException(OscError.UnexpectedToken, $"Unexpected token {token}");
}
return(new OscBundle(timeStamp, packets.ToArray()));
}
private void ReadMessages(
ArraySegment <byte> buffer,
OscReader reader,
int count,
List <OscMessageRaw> messages,
out OscTimeTag timestamp)
{
int start = reader.Position;
int bundleEnd = start + count;
reader.BeginBundle(count);
string ident = reader.ReadAddress();
if (OscBundle.BundleIdent.Equals(ident, StringComparison.Ordinal) == false)
{
// this is an error
throw new OscException(OscError.InvalidBundleIdent, $"Invalid bundle ident '{ident}'");
}
timestamp = reader.ReadBundleTimeTag();
while (reader.Position < bundleEnd)
{
if (reader.Position + 4 > bundleEnd)
{
// this is an error
throw new OscException(OscError.InvalidBundleMessageHeader, "Invalid bundle message header");
}
int messageLength = reader.ReadBundleMessageLength(start, count);
if (reader.Position + messageLength > bundleEnd ||
messageLength < 0 ||
messageLength % 4 != 0)
{
// this is an error
throw new OscException(OscError.InvalidBundleMessageLength, "Invalid bundle message length");
}
if (reader.PeekByte() == (byte)'#')
{
ReadMessages(buffer, reader, messageLength, messages, out OscTimeTag _);
}
else
{
messages.Add(new OscMessageRaw(new ArraySegment <byte>(buffer.Array, buffer.Offset + reader.Position, messageLength), Origin, timestamp));
reader.Position += messageLength;
}
}
}
public override void Write(OscWriter writer)
{
OscTimeTag timestamp = Timestamp;
writer.StartBundle(BundleIdent, ref timestamp);
foreach (OscPacket message in this)
{
writer.WriteBundleMessageLength(message.SizeInBytes);
message.Write(writer);
}
}
public OscBundleRaw(ArraySegment <byte> buffer, Uri origin = null)
{
Origin = origin;
OscReader reader = new OscReader(buffer);
List <OscMessageRaw> messages = new List <OscMessageRaw>();
ReadMessages(buffer, reader, buffer.Count, messages, out OscTimeTag timestamp);
Timestamp = timestamp;
this.messages = messages.ToArray();
}
/// <summary>
/// Try to parse a OSC time tag from date-time string.
/// </summary>
/// <param name="str">String to parse.</param>
/// <param name="value">The parsed time tag.</param>
/// <returns>True if parsed else false.</returns>
public static bool TryParse(string str, out OscTimeTag value)
{
try
{
value = Parse(str, CultureInfo.InvariantCulture);
return(true);
}
catch
{
value = default(OscTimeTag);
return(false);
}
}
/// <summary>
/// Try to parse a OSC time tag from date-time string.
/// </summary>
/// <param name="str">String to parse.</param>
/// <param name="provider">Format provider.</param>
/// <param name="value">The parsed time tag.</param>
/// <returns>True if parsed else false.</returns>
public static bool TryParse(string str, IFormatProvider provider, out OscTimeTag value)
{
try
{
value = Parse(str, provider);
return(true);
}
catch
{
value = default(OscTimeTag);
return(false);
}
}
