public unsafe void PinnedArrayMemoryLifetime()
{
Memory <byte> copyStoredForLater;
var bytes = new byte[1024];
fixed(byte *pBytes = bytes)
{
using (var owner = new OwnedPinnedArray <byte>(bytes, pBytes)) {
Memory <byte> memory = owner.Memory;
Memory <byte> memorySlice = memory.Slice(10);
copyStoredForLater = memorySlice;
using (memorySlice.Reserve()) {
Assert.Throws <InvalidOperationException>(() => { // memory is reserved; cannot dispose
owner.Dispose();
});
Span <byte> span = memorySlice.Span;
span[0] = 255;
}
}
}
Assert.Throws <ObjectDisposedException>(() => { // manager is disposed
var span = copyStoredForLater.Span;
});
}
public unsafe void PinnedArrayMemoryLifetime()
{
var bytes = new byte[1024];
fixed(byte *pBytes = bytes)
{
var owner = new OwnedPinnedArray <byte>(bytes, pBytes);
TestLifetime(owner);
}
}
static void RunLoop(bool log)
{
var loop = new UVLoop();
var listener = new TcpListener(s_ipAddress, s_port, loop);
listener.ConnectionAccepted += (Tcp connection) =>
{
if (log)
{
Console.WriteLine("connection accepted");
}
connection.ReadCompleted += (data) =>
{
if (log)
{
unsafe
{
var requestString = new Utf8String(data.Span);
Console.WriteLine("*REQUEST:\n {0}", requestString.ToString());
}
}
var formatter = new ArrayFormatter(512, TextEncoder.Utf8);
formatter.Clear();
formatter.Append("HTTP/1.1 200 OK");
formatter.Append("\r\n\r\n");
formatter.Append("Hello World!");
if (log)
{
formatter.Format(" @ {0:O}", DateTime.UtcNow);
}
var segment = formatter.Formatted;
using (var memory = new OwnedPinnedArray <byte>(segment.Array)) {
connection.TryWrite(memory.Memory.Slice(segment.Offset, segment.Count));
connection.Dispose();
}
};
connection.ReadStart();
};
listener.Listen();
loop.Run();
}
public unsafe void PinnedArrayMemoryLifetime()
{
Memory <byte> copyStoredForLater;
var bytes = new byte[1024];
fixed(byte *pBytes = bytes)
{
var owner = new OwnedPinnedArray <byte>(bytes, pBytes);
try {
Memory <byte> memory = owner.Memory;
Memory <byte> memorySlice = memory.Slice(10);
copyStoredForLater = memorySlice;
var r = memorySlice.Reserve();
try {
Assert.Throws <InvalidOperationException>(() => { // memory is reserved; cannot dispose
owner.Dispose();
});
Assert.Throws <ObjectDisposedException>(() => {
Span <byte> span = memorySlice.Span;
span[0] = 255;
});
}
finally {
Assert.Throws <ObjectDisposedException>(() => {
// memory has been Disposed, so cannot free reservation
r.Dispose();
});
}
}
finally {
Assert.Throws <InvalidOperationException>(() => {
// memory is still reserved as Release failed.
owner.Dispose();
});
}
}
Assert.Throws <ObjectDisposedException>(() => { // manager is disposed
var span = copyStoredForLater.Span;
});
}
public unsafe void PinnedArrayMemoryLifetime()
{
Memory<byte> copyStoredForLater;
var bytes = new byte[1024];
fixed (byte* pBytes = bytes) {
using (var owner = new OwnedPinnedArray<byte>(bytes, pBytes)) {
Memory<byte> memory = owner.Memory;
Memory<byte> memorySlice = memory.Slice(10);
copyStoredForLater = memorySlice;
using (memorySlice.Reserve()) {
Assert.Throws<InvalidOperationException>(() => { // memory is reserved; cannot dispose
owner.Dispose();
});
Span<byte> span = memorySlice.Span;
span[0] = 255;
}
}
}
Assert.Throws<ObjectDisposedException>(() => { // manager is disposed
var span = copyStoredForLater.Span;
});
}
static void RunLoop(bool log)
{
var loop = new UVLoop();
var listener = new TcpListener(s_ipAddress, s_port, loop);
listener.ConnectionAccepted += (Tcp connection) =>
{
if (log)
{
Console.WriteLine("connection accepted");
}
connection.ReadCompleted += (data) =>
{
if (log)
{
unsafe
{
var requestString = new Utf8String(data.Span);
Console.WriteLine("*REQUEST:\n {0}", requestString.ToString());
}
}
var formatter = new ArrayFormatter(512, EncodingData.InvariantUtf8);
formatter.Clear();
formatter.Append("HTTP/1.1 200 OK");
formatter.Append("\r\n\r\n");
formatter.Append("Hello World!");
if (log)
{
formatter.Format(" @ {0:O}", DateTime.UtcNow);
}
var segment = formatter.Formatted;
using (var memory = new OwnedPinnedArray<byte>(segment.Array)) {
connection.TryWrite(memory.Memory.Slice(segment.Offset, segment.Count));
connection.Dispose();
}
};
connection.ReadStart();
};
listener.Listen();
loop.Run();
}
