public static async Task PersistentPartitionOverflow()
{
var options = new PersistentChannelOptions
{
SingleReader = true,
SingleWriter = true,
PartitionCapacity = 3
};
Guid g1 = Guid.NewGuid(), g2 = Guid.NewGuid(), g3 = Guid.NewGuid(), g4 = Guid.NewGuid();
using (var channel = new SerializationChannel <Guid>(options))
{
await channel.Writer.WriteAsync(g1);
await channel.Writer.WriteAsync(g2);
await channel.Writer.WriteAsync(g3);
await channel.Writer.WriteAsync(g4);
Equal(0D, channel.Throughput);
Equal(g1, await channel.Reader.ReadAsync());
Equal(0.25D, channel.Throughput);
}
using (var channel = new SerializationChannel <Guid>(options))
{
Equal(0.25D, channel.Throughput);
Equal(g2, await channel.Reader.ReadAsync());
Equal(0.5D, channel.Throughput);
Equal(g3, await channel.Reader.ReadAsync());
Equal(0.75D, channel.Throughput);
Equal(g4, await channel.Reader.ReadAsync());
Equal(1D, channel.Throughput);
}
}
/// <summary>
/// Initializes a new persistent channel with the specified options.
/// </summary>
/// <param name="options">The options of the channel.</param>
protected PersistentChannel(PersistentChannelOptions options)
{
maxCount = options.PartitionCapacity;
bufferSize = options.BufferSize;
location = new DirectoryInfo(options.Location);
if (!location.Exists)
{
location.Create();
}
var writer = new PersistentChannelWriter <TInput>(this, options.SingleWriter, options.InitialPartitionSize);
var reader = new PersistentChannelReader <TOutput>(this, options.SingleReader);
Reader = reader;
Writer = writer;
readTrigger = new AsyncCounter(writer.Position - reader.Position);
}
public static async Task Persistence()
{
Guid g1 = Guid.NewGuid(), g2 = Guid.NewGuid(), g3 = Guid.NewGuid();
var options = new PersistentChannelOptions {
BufferSize = 1024
};
using (var channel = new SerializationChannel <Guid>(options))
{
await channel.Writer.WriteAsync(g1);
await channel.Writer.WriteAsync(g2);
await channel.Writer.WriteAsync(g3);
Equal(g1, await channel.Reader.ReadAsync());
}
using (var channel = new SerializationChannel <Guid>(options))
{
Equal(g2, await channel.Reader.ReadAsync());
Equal(g3, await channel.Reader.ReadAsync());
}
}
internal SerializationChannel(PersistentChannelOptions options)
: base(options)
{
}
internal SerializationChannel(PersistentChannelOptions options)
: base(options)
{
formatter = new BinaryFormatter();
}