private static bool ReadStream(string file, StreamCallback callback)
{
try
{
using var fs = new FileStream(file, FileMode.Open, FileAccess.Read);
var b4 = new byte[4];
if (fs.Read(b4, 0, 4) != 4)
{
return(false);
}
var pos = BitConverter.ToInt32(b4, 0);
if (pos > fs.Length || pos < 0)
{
return(false);
}
fs.Seek(pos, SeekOrigin.Begin);
if (fs.Read(b4, 0, 4) != 4)
{
return(false);
}
if (b4[0] == marker[0] && b4[1] == marker[1] && b4[2] == marker[2] && b4[3] == marker[3])
{
fs.Seek(4, SeekOrigin.Begin);
callback(fs);
return(true);
}
}
catch (Exception ex)
{
Log.Debug(ex, "TransactedWriter.Write");
}
return(false);
}
internal unsafe PaStreamCallback ToPaStreamCallback(StreamCallback src, bool isOutput)
{
return((input, output, frameCount, timeInfo, statusFlags, userData) => {
var ptr = timeInfo != IntPtr.Zero ? new CppInstancePtr(timeInfo) : default(CppInstancePtr);
try {
byte [] buf = buffer != null ? (byte[])buffer.Target : null;
var byteCount = FramesToBytes((uint)frameCount);
if (buf == null || buf.Length < byteCount)
{
buf = new byte [byteCount];
buffer = new WeakReference(buf);
}
var ret = src(
buf,
0,
byteCount,
timeInfo != IntPtr.Zero ? Factory.Create <PaStreamCallbackTimeInfo> (ptr) : default(PaStreamCallbackTimeInfo),
(PaStreamCallbackFlags)statusFlags,
userData
);
Marshal.Copy(buf, 0, isOutput ? output : input, byteCount);
return ret;
} finally {
ptr.Dispose();
}
});
}
public static bool WriteStream(string fileName, string folder, StreamCallback callback)
{
try
{
var name1 = Path.Combine(folder, $"{fileName}.1");
var name2 = Path.Combine(folder, $"{fileName}.2");
var name3 = Path.Combine(folder, $"{fileName}.3.{Guid.NewGuid()}");
if (!File.Exists(name1))
{
WriteStream(name1, callback);
return(true);
}
else
{
WriteStream(name2, callback);
File.Move(name1, name3);
File.Move(name2, name1);
File.Move(name3, name2);
}
return(false);
}
catch (Exception ex)
{
Log.Debug(ex, "TransactedWriter.Write");
}
return(false);
}
public IOStream(IntPtr handle, bool forReading, StreamCallback function) : base(cBufferSize)
{
toStop = false;
toRead = forReading;
callback = function;
// initializes an Async IO Stream for the handle
stream = new FileStream(new Microsoft.Win32.SafeHandles.SafeFileHandle(handle, false),
(toRead == true)? FileAccess.Read : FileAccess.Write, 128, true);
}
private static void WriteStream(string file, StreamCallback callback)
{
using var fs = new FileStream(file, FileMode.OpenOrCreate, FileAccess.ReadWrite);
fs.Seek(4, SeekOrigin.Begin);
callback(fs);
var pos = fs.Position;
fs.Write(marker, 0, 4);
fs.Seek(0, SeekOrigin.Begin);
fs.Write(BitConverter.GetBytes((int)pos), 0, 4);
fs.Close();
}
public PortAudioInputStream(int numInputChannels, PaSampleFormat sampleFormat, double sampleRate, uint framesPerBuffer, StreamCallback streamCallback, IntPtr userData)
: base(sampleFormat, numInputChannels)
{
HandleError (PortAudioInterop.Pa_OpenDefaultStream (
out handle,
numInputChannels,
0,
(IntPtr) sampleFormat,
sampleRate,
(IntPtr) framesPerBuffer,
ToPaStreamCallback (streamCallback, false),
userData
));
}
public PortAudioInputStream(PaStreamParameters inputParameters, double sampleRate, uint framesPerBuffer, PaStreamFlags streamFlags, StreamCallback streamCallback, IntPtr userData)
: base(inputParameters.sampleFormat, inputParameters.channelCount)
{
using (var input = Factory.ToNative<PaStreamParameters> (inputParameters))
HandleError (PortAudioInterop.Pa_OpenStream (
out handle,
input.Native,
IntPtr.Zero,
sampleRate,
framesPerBuffer,
streamFlags,
ToPaStreamCallback (streamCallback, false),
userData
));
}
public PortAudioOutputStream(int numOutputChannels, PaSampleFormat sampleFormat, double sampleRate, uint framesPerBuffer, StreamCallback streamCallback, object userData)
: base(sampleFormat, numOutputChannels)
{
var gch = userData == null ? default (GCHandle) : GCHandle.Alloc (userData, GCHandleType.Pinned);
try {
HandleError (PortAudioInterop.Pa_OpenDefaultStream (
out handle,
0,
numOutputChannels,
(IntPtr) sampleFormat,
sampleRate,
(IntPtr) framesPerBuffer,
ToPaStreamCallback (streamCallback, true),
userData != null ? gch.AddrOfPinnedObject () : IntPtr.Zero));
} finally {
if (userData != null)
gch.Free ();
}
}
/// <summary>
/// Adds a callback to be called on the host after all currently enqueued items
/// in the stream have completed
/// </summary>
/// <param name="callback"></param>
/// <param name="userData">Not supported</param>
public void EnqueueHostCallback(StreamCallback callback, object userData = null)
{
ThrowIfDisposed();
if (callback == null)
{
throw new ArgumentNullException(nameof(callback));
}
if (callbackHandle.IsAllocated)
{
callbackHandle.Free();
}
if (userDataHandle.IsAllocated)
{
userDataHandle.Free();
}
IntPtr userDataPtr = IntPtr.Zero;
if (userData != null)
{
userDataHandle = GCHandle.Alloc(userData);
userDataPtr = GCHandle.ToIntPtr(userDataHandle);
}
callbackInternal = new StreamCallbackInternal(
delegate(IntPtr rawStream, int status, IntPtr rawUserData)
{
var streamObj = new Stream(rawStream)
{
IsEnabledDispose = false
};
var userDataObj = GCHandle.FromIntPtr(rawUserData).Target;
callback(streamObj, status, userDataObj);
});
callbackHandle = GCHandle.Alloc(callbackInternal);
IntPtr callbackPtr = Marshal.GetFunctionPointerForDelegate(callbackInternal);
NativeMethods.cuda_Stream_enqueueHostCallback(
ptr, callbackPtr, userDataPtr);
GC.KeepAlive(this);
}
public PortAudioOutputStream(PaStreamParameters outputParameters, double sampleRate, uint framesPerBuffer, PaStreamFlags streamFlags, StreamCallback streamCallback, object userData)
: base(outputParameters.sampleFormat, outputParameters.channelCount)
{
var gch = userData == null ? default (GCHandle) : GCHandle.Alloc (userData, GCHandleType.Pinned);
try {
using (var output = Factory.ToNative<PaStreamParameters> (outputParameters))
HandleError (PortAudioInterop.Pa_OpenStream (
out handle,
IntPtr.Zero,
output.Native,
sampleRate,
framesPerBuffer,
streamFlags,
ToPaStreamCallback (streamCallback, true),
userData != null ? gch.AddrOfPinnedObject () : IntPtr.Zero));
} finally {
if (userData != null)
gch.Free ();
}
}
public static bool ReadStream(string fileName, string folder, StreamCallback callback)
{
var name1 = Path.Combine(folder, $"{fileName}.1");
var name2 = Path.Combine(folder, $"{fileName}.2");
//var name3 = Path.Combine(folder, $"{fileName}.3");
if (File.Exists(name1) && ReadStream(name1, callback))
{
return(true);
}
if (File.Exists(name2) && ReadStream(name2, callback))
{
return(true);
}
//if (File.Exists(name3) && ReadStream(name3, callback))
//{
// return true;
//}
return(false);
}
/// <summary>
/// Adds reqired composites to this <see cref="Assembler"/> so that XML serialization of configuration composites would be possible.
/// This method should be invoked to same module as where <see cref="E_Qi4CSConfiguration.AddSupportForConfigurationManager"/> method has been called.
/// </summary>
/// <param name="assembler">This <see cref="Assembler"/>.</param>
/// <param name="streamCallback">The optional callback to get streams. If this is <c>null</c>, the default callback will be used which will interpret <see cref="XMLConfigurationResource.DocumentResource"/> as path to file.</param>
/// <param name="customSerializers">The custom serializers.</param>
/// <seealso cref="XMLConfigurationSerializerHelper"/>
public static void AddXMLSerializationSupport(this Assembler assembler, StreamCallback streamCallback, IList <XMLConfigurationSerializerHelper> customSerializers)
{
PlainCompositeAssemblyDeclaration decl;
if (assembler
.ForNewOrExistingPlainComposite(new Type[] { typeof(XMLConfigurationSerializer) }, out decl))
{
decl.OfTypes(typeof(XMLConfigurationSerializer));
}
var serializers = decl.Get <List <XMLConfigurationSerializerHelper> >();
if (serializers == null)
{
serializers = new List <XMLConfigurationSerializerHelper>();
}
if (customSerializers != null)
{
serializers.AddRange(customSerializers);
}
decl.Use(streamCallback ?? new DotNETStreamHelper(), serializers);
}
public IAsyncResult StartUserStream(
FollowingCallback followingCallback = null,
FollowersCallback followersCallback = null,
PostsCallback postsCallback = null,
MentionsCallback mentionsCallback = null,
StreamCallback streamCallback = null,
UnifiedCallback unifiedCallback = null,
ChannelsCallback channelsCallback = null,
ChannelSubscribersCallback channelSubscribersCallback = null,
ChannelMessagesCallback channelMessagesCallback = null,
FilesCallback filesCallback = null,
RawJsonCallback rawJsonCallback = null,
StreamStoppedCallback streamStoppedCallback = null)
{
if (this.request != null)
{
throw new InvalidOperationException("Stream is already open");
}
this.followingCallback = followingCallback;
this.followersCallback = followersCallback;
this.postsCallback = postsCallback;
this.mentionsCallback = mentionsCallback;
this.streamCallback = streamCallback;
this.unifiedCallback = unifiedCallback;
this.channelsCallback = channelsCallback;
this.channelSubscribersCallback = channelSubscribersCallback;
this.channelMessagesCallback = channelMessagesCallback;
this.filesCallback = filesCallback;
this.rawJsonCallback = rawJsonCallback;
this.streamStoppedCallback = streamStoppedCallback;
subscribed_endpoints = new Dictionary <string, StreamingEndpoint>();
to_be_subscribed_endpoints = new List <StreamingEndpoint>();
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("Authorization", "Bearer " + access_token);
string url = "https://pnut.io/stream/user?ct=AppNet.Net";
if (streaming_options != null)
{
if (!string.IsNullOrEmpty(streaming_options.query_string()))
{
url += "&" + streaming_options.query_string();
}
}
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "GET";
request.AllowAutoRedirect = true;
request.Accept = "*/*";
request.Timeout = 10000;
request.KeepAlive = true;
request.UserAgent = "AppNet.Net (http://www.nymphicusapp.com/windows/chapper)";
foreach (KeyValuePair <string, string> additonalHeader in headers)
{
request.Headers.Add(additonalHeader.Key, additonalHeader.Value);
}
try
{
return(request.BeginGetResponse(StreamCallback, request));
}
catch (WebException e)
{
Console.WriteLine(e.Message);
return(null);
}
}
public static extern int TMCC_RegisterStreamCallBack(IntPtr ptr, StreamCallback back, IntPtr context);
/// <inheritdoc />
public Task SetStreamsDefaultHandlerAsync(StreamCallback streamHandler,
object userContext) =>
throw new NotSupportedException("Device client does not support streams");
public PortAudioOutputStream(PaStreamParameters outputParameters, double sampleRate, uint framesPerBuffer, PaStreamFlags streamFlags, StreamCallback streamCallback, object userData)
: base(outputParameters.sampleFormat, outputParameters.channelCount)
{
var gch = userData == null ? default(GCHandle) : GCHandle.Alloc(userData, GCHandleType.Pinned);
try {
using (var output = Factory.ToNative <PaStreamParameters> (outputParameters))
HandleError(PortAudioInterop.Pa_OpenStream(
out handle,
IntPtr.Zero,
output.Native,
sampleRate,
framesPerBuffer,
streamFlags,
ToPaStreamCallback(streamCallback, true),
userData != null ? gch.AddrOfPinnedObject() : IntPtr.Zero));
} finally {
if (userData != null)
{
gch.Free();
}
}
}
public PortAudioOutputStream(int numOutputChannels, PaSampleFormat sampleFormat, double sampleRate, uint framesPerBuffer, StreamCallback streamCallback, object userData)
: base(sampleFormat, numOutputChannels)
{
var gch = userData == null ? default(GCHandle) : GCHandle.Alloc(userData, GCHandleType.Pinned);
try {
HandleError(PortAudioInterop.Pa_OpenDefaultStream(
out handle,
0,
numOutputChannels,
(IntPtr)sampleFormat,
sampleRate,
(IntPtr)framesPerBuffer,
ToPaStreamCallback(streamCallback, true),
userData != null ? gch.AddrOfPinnedObject() : IntPtr.Zero));
} finally {
if (userData != null)
{
gch.Free();
}
}
}
public PortAudioInputStream(PaStreamParameters inputParameters, double sampleRate, uint framesPerBuffer, PaStreamFlags streamFlags, StreamCallback streamCallback, IntPtr userData)
: base(inputParameters.sampleFormat, inputParameters.channelCount)
{
using (var input = Factory.ToNative <PaStreamParameters> (inputParameters))
HandleError(PortAudioInterop.Pa_OpenStream(
out handle,
input.Native,
IntPtr.Zero,
sampleRate,
framesPerBuffer,
streamFlags,
ToPaStreamCallback(streamCallback, false),
userData
));
}
internal unsafe PaStreamCallback ToPaStreamCallback(StreamCallback src, bool isOutput)
{
return (input, output, frameCount, timeInfo, statusFlags, userData) => {
var ptr = timeInfo != IntPtr.Zero ? new CppInstancePtr (timeInfo) : default (CppInstancePtr);
try {
byte [] buf = buffer != null ? (byte[]) buffer.Target : null;
var byteCount = FramesToBytes ((uint) frameCount);
if (buf == null || buf.Length < byteCount) {
buf = new byte [byteCount];
buffer = new WeakReference (buf);
}
var ret = src (
buf,
0,
byteCount,
timeInfo != IntPtr.Zero ? Factory.Create<PaStreamCallbackTimeInfo> (ptr) : default (PaStreamCallbackTimeInfo),
(PaStreamCallbackFlags) statusFlags,
userData
);
Marshal.Copy (buf, 0, isOutput ? output : input, byteCount);
return ret;
} finally {
ptr.Dispose ();
}
};
}
/// <summary>
/// Adds a callback to be called on the host after all currently enqueued items
/// in the stream have completed
/// </summary>
/// <param name="callback"></param>
/// <param name="userData">Not supported</param>
public void EnqueueHostCallback(StreamCallback callback, object userData = null)
{
ThrowIfDisposed();
if (callback == null)
throw new ArgumentNullException("callback");
if (callbackHandle.IsAllocated)
callbackHandle.Free();
if (userDataHandle.IsAllocated)
userDataHandle.Free();
IntPtr userDataPtr = IntPtr.Zero;
if (userData != null)
{
userDataHandle = GCHandle.Alloc(userData);
userDataPtr = GCHandle.ToIntPtr(userDataHandle);
}
callbackInternal = new StreamCallbackInternal(
delegate(IntPtr rawStream, int status, IntPtr rawUserData)
{
var streamObj = new Stream(rawStream) {IsEnabledDispose = false};
var userDataObj = GCHandle.FromIntPtr(rawUserData).Target;
callback(streamObj, status, userDataObj);
});
callbackHandle = GCHandle.Alloc(callbackInternal);
IntPtr callbackPtr = Marshal.GetFunctionPointerForDelegate(callbackInternal);
NativeMethods.cuda_Stream_enqueueHostCallback(
ptr, callbackPtr, userDataPtr);
}
public static extern int Attach(int nIndex, char[] sServerIP, int nServerPort, int nServerChannel, StreamCallback pFunc);
/// <inheritdoc />
public Task SetStreamHandlerAsync(string streamName, StreamCallback
streamHandler, object userContext)
{
throw new NotSupportedException("Test client does not support streams yet");
}
public PortAudioInputStream(int numInputChannels, PaSampleFormat sampleFormat, double sampleRate, uint framesPerBuffer, StreamCallback streamCallback, IntPtr userData)
: base(sampleFormat, numInputChannels)
{
HandleError(PortAudioInterop.Pa_OpenDefaultStream(
out handle,
numInputChannels,
0,
(IntPtr)sampleFormat,
sampleRate,
(IntPtr)framesPerBuffer,
ToPaStreamCallback(streamCallback, false),
userData
));
}
