void TryMatchPatterns(OscParser parser, byte *bufferPtr, int addressLength)
{
// to support OSC address patterns, we test unmatched addresses against regular expressions
// To do that, we need it as a regular string. We may be able to mutate a previous string,
// instead of always allocating a new one
if (!m_ByteLengthToStringBuffer.TryGetValue(addressLength, out var stringBuffer))
{
stringBuffer = Encoding.ASCII.GetString(bufferPtr, addressLength);
m_ByteLengthToStringBuffer[addressLength] = stringBuffer;
}
else
{
// If we've previously received a message of the same byte length, we can re-use it
OverwriteAsciiString(stringBuffer, bufferPtr);
}
if (AddressSpace.TryMatchPatternHandler(stringBuffer, m_PatternMatchedMethods))
{
var bufferCopy = string.Copy(stringBuffer);
AddressSpace.AddressToMethod.Add(bufferCopy, m_PatternMatchedMethods);
foreach (var matchedMethod in m_PatternMatchedMethods)
{
matchedMethod.ValueRead(parser.MessageValues);
m_MainThreadQueue[m_MainThreadCount++] = matchedMethod.MainThreadQueued;
}
}
}
void HandleMonitorCallbacks(byte *bufferPtr, int addressLength, OscParser parser)
{
// handle monitor callbacks
var monitorAddressStr = new BlobString(bufferPtr, addressLength);
foreach (var callback in m_MonitorCallbacks)
{
callback(monitorAddressStr, parser.MessageValues);
}
}
public bool RemoveAddressMethod(string address)
{
if (string.IsNullOrEmpty(address))
{
return(false);
}
switch (OscParser.GetAddressType(address))
{
case AddressType.Address:
return(AddressToMethod.RemoveAddress(address));
default:
return(false);
}
}
public bool TryAddMethod(string address, OscActionPair onReceived)
{
if (string.IsNullOrEmpty(address) || onReceived == null)
{
return(false);
}
switch (OscParser.GetAddressType(address))
{
case AddressType.Address:
AddressToMethod.Add(address, onReceived);
return(true);
case AddressType.Pattern:
int index;
// if a method has already been registered for this pattern, add the new delegate
if (PatternStringToIndex.TryGetValue(address, out index))
{
PatternMethods[index] += onReceived;
return(true);
}
if (FreedPatternIndices.Count > 0)
{
index = FreedPatternIndices.Dequeue();
}
else
{
index = PatternCount;
if (index >= Patterns.Length)
{
var newSize = Patterns.Length * 2;
Array.Resize(ref Patterns, newSize);
Array.Resize(ref PatternMethods, newSize);
}
}
Patterns[index] = new Regex(address);
PatternMethods[index] = onReceived;
PatternStringToIndex[address] = index;
PatternCount++;
return(true);
default:
return(false);
}
}
/// <summary>
/// Try to match an address against all known address patterns,
/// and add a handler for the address if a pattern is matched
/// </summary>
/// <param name="address">The address to match</param>
/// <param name="allMatchedMethods"></param>
/// <returns>True if a match was found, false otherwise</returns>
public bool TryMatchPatternHandler(string address, List <OscActionPair> allMatchedMethods)
{
if (!OscParser.AddressIsValid(address))
{
return(false);
}
allMatchedMethods.Clear();
bool any = false;
for (var i = 0; i < PatternCount; i++)
{
if (Patterns[i].IsMatch(address))
{
var handler = PatternMethods[i];
AddressToMethod.Add(address, handler);
any = true;
}
}
return(any);
}
public OscServer(int port, int bufferSize = 4096)
{
if (PortToServer.ContainsKey(port))
{
Debug.LogError($"port {port} is already in use, cannot start a new OSC Server on it");
return;
}
k_SingleCallbackToPair.Clear();
AddressSpace = new OscAddressSpace();
m_ReadBuffer = new byte[bufferSize];
m_BufferHandle = GCHandle.Alloc(m_ReadBuffer, GCHandleType.Pinned);
m_BufferPtr = (byte *)m_BufferHandle.AddrOfPinnedObject();
Parser = new OscParser(m_ReadBuffer);
Port = port;
m_Socket = new OscSocket(port)
{
Server = this
};
Start();
}
public bool RemoveMethod(string address, OscActionPair onReceived)
{
if (string.IsNullOrEmpty(address) || onReceived == null)
{
return(false);
}
switch (OscParser.GetAddressType(address))
{
case AddressType.Address:
return(AddressToMethod.Remove(address, onReceived));
case AddressType.Pattern:
if (!PatternStringToIndex.TryGetValue(address, out var patternIndex))
{
return(false);
}
var method = PatternMethods[patternIndex].ValueRead;
if (method.GetInvocationList().Length == 1)
{
Patterns[patternIndex] = null;
PatternMethods[patternIndex] = null;
}
else
{
PatternMethods[patternIndex] -= onReceived;
}
PatternCount--;
FreedPatternIndices.Enqueue(patternIndex);
return(PatternStringToIndex.Remove(address));
default:
return(false);
}
}
public OscServer(int port, int bufferSize = 4096)
{
if (PortToServer.ContainsKey(port))
{
Debug.LogError($"port {port} is already in use, cannot start a new OSC Server on it");
return;
}
k_SingleCallbackToPair.Clear();
AddressSpace = new OscAddressSpace();
m_ReadBuffer = new byte[bufferSize];
m_BufferHandle = GCHandle.Alloc(m_ReadBuffer, GCHandleType.Pinned);
m_BufferPtr = (byte *)m_BufferHandle.AddrOfPinnedObject();
Parser = new OscParser(m_ReadBuffer);
Port = port;
m_Socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp)
{
ReceiveTimeout = int.MaxValue
};
m_Thread = new Thread(Serve);
Start();
}
