/// <summary>
/// TODO:
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="cancel"></param>
/// <returns></returns>
public async Task EstablishProtocolAsync(string name, Stream stream, CancellationToken cancel = default(CancellationToken))
{
var protocols = ProtocolRegistry.Protocols.Keys
.Where(k => k == name || k.StartsWith(name))
.Select(k => VersionedName.Parse(k))
.OrderByDescending(vn => vn)
.Select(vn => vn.ToString());
foreach (var protocol in protocols)
{
await Message.WriteAsync(protocol, stream, cancel);
var result = await Message.ReadStringAsync(stream, cancel);
if (result == protocol)
{
return;
}
}
if (protocols.Count() == 0)
{
throw new Exception($"Protocol '{name}' is not registered.");
}
throw new Exception($"{RemotePeer.Id} does not support protocol '{name}'.");
}
public void Stringing()
{
var vn = new VersionedName {
Name = "x", Version = new Semver.SemVersion(0, 42)
};
Assert.AreEqual("/x/0.42.0", vn.ToString());
}
public void Parsing()
{
var vn = VersionedName.Parse("/multistream/1.0.0");
Assert.AreEqual("multistream", vn.Name);
Assert.AreEqual("1.0.0", vn.Version.ToString());
vn = VersionedName.Parse("/ipfs/id/1.0.0");
Assert.AreEqual("ipfs/id", vn.Name);
Assert.AreEqual("1.0.0", vn.Version.ToString());
}
public void Ordering()
{
var names = new List <VersionedName>
{
VersionedName.Parse("/x/1.0.0"),
VersionedName.Parse("/x/1.1.0"),
VersionedName.Parse("/y/0.42.0"),
};
var ordered = names.OrderByDescending(n => n).ToArray();
Assert.AreEqual("/y/0.42.0", ordered[0].ToString());
Assert.AreEqual("/x/1.1.0", ordered[1].ToString());
Assert.AreEqual("/x/1.0.0", ordered[2].ToString());
}
public void Comparing()
{
var a0 = VersionedName.Parse("/x/1.0.0");
var a1 = VersionedName.Parse("/x/1.0.0");
var b = VersionedName.Parse("/x/1.1.0");
var c = VersionedName.Parse("/y/0.42.0");
Assert.AreEqual(0, a0.CompareTo(a1));
Assert.AreEqual(0, a1.CompareTo(a0));
Assert.AreEqual(1, b.CompareTo(a0));
Assert.AreEqual(-1, a0.CompareTo(b));
Assert.AreEqual(1, c.CompareTo(b));
Assert.AreEqual(-1, b.CompareTo(c));
}
public void Value_Equality()
{
var a0 = VersionedName.Parse("/x/1.0.0");
var a1 = VersionedName.Parse("/x/1.0.0");
var b = VersionedName.Parse("/x/1.1.0");
VersionedName c = null;
VersionedName d = null;
Assert.IsTrue(c == d);
Assert.IsFalse(c == b);
Assert.IsFalse(b == c);
Assert.IsFalse(c != d);
Assert.IsTrue(c != b);
Assert.IsTrue(b != c);
#pragma warning disable 1718
Assert.IsTrue(a0 == a0);
Assert.IsTrue(a0 == a1);
Assert.IsFalse(a0 == b);
#pragma warning disable 1718
Assert.IsFalse(a0 != a0);
Assert.IsFalse(a0 != a1);
Assert.IsTrue(a0 != b);
Assert.IsTrue(a0.Equals(a0));
Assert.IsTrue(a0.Equals(a1));
Assert.IsFalse(a0.Equals(b));
Assert.AreEqual(a0, a0);
Assert.AreEqual(a0, a1);
Assert.AreNotEqual(a0, b);
Assert.AreEqual(a0, a0);
Assert.AreEqual(a0, a1);
Assert.AreNotEqual(a0, b);
Assert.AreEqual(a0.GetHashCode(), a0.GetHashCode());
Assert.AreEqual(a0.GetHashCode(), a1.GetHashCode());
Assert.AreNotEqual(a0.GetHashCode(), b.GetHashCode());
}
