/// <summary>
/// Constructor for a single mikroBUS socket.
/// </summary>
/// <param name="num">Socket number.</param>
/// <param name="shield">mikroBUS shield kind.
/// <c>Shield.Kinds.Unknown</c> indicates automatic detection using
/// using the <c>Shield.kind</c> property.</param>
public Socket(int num, Shield.Kinds shield = Shield.Kinds.Unknown)
{
if (shield == Shield.Kinds.Unknown)
{
shield = Shield.kind;
}
// Search for matching shield and socket number
for (int i = 0; i < SocketTable.Length; i++)
{
if ((SocketTable[i].shield == shield) &&
(SocketTable[i].num == num))
{
myInfo = SocketTable[i];
if (myInfo.ShareI2C && (Shield.I2CBus == null))
{
// Initialize the shared I2C bus object
Shield.I2CBus =
new IO.Objects.libsimpleio.I2C.Bus(myInfo.I2CBus);
}
return;
}
}
throw new System.Exception("Unable to find matching shield and socket number.");
}
/// <summary>
/// Constructor for a single mikroBUS socket.
/// </summary>
/// <param name="num">Socket number.</param>
/// <param name="shield">mikroBUS shield kind. Zero
/// indicates automatic detection using the <c>Shield.kind</c>
/// property.</param>
public Socket(int num, Shield.Kinds shield = Shield.Kinds.Unknown)
{
if (shield == Shield.Kinds.Unknown)
{
shield = Shield.kind;
}
// Search for matching shield and socket number
for (int i = 0; i < SocketTable.Length; i++)
{
if ((SocketTable[i].shield == shield) &&
(SocketTable[i].num == num))
{
myInfo = SocketTable[i];
return;
}
}
throw new System.Exception("Unable to find matching shield and socket number.");
}
// 新しいソケットをキューに入れてから、ソケットが切断されるまで待機する
public async Task <bool> InjectAndWaitAsync(TSocket newSocket)
{
if (newSocket == null)
{
return(false);
}
SocketEntry?sockEntry = null;
lock (Lock)
{
if (AcceptedQueue.Count >= this.BackLog)
{
// バックログがいっぱいです
Dbg.Where($"Backlog exceeded: {AcceptedQueue.Count} >= {this.BackLog}");
return(false);
}
if (this.IsCanceled)
{
// 終了されようとしている
return(false);
}
AcceptedQueue.Enqueue(sockEntry = new SocketEntry(newSocket));
}
AcceptedEvent.Set();
if (sockEntry.Socket.IsDisposed)
{
// すでに Dispose されていた
return(false);
}
// このソケットがユーザーによって Dispose されるまでの間待機する
await sockEntry.DisconnectedEvent.WaitAsync(timeout : Timeout.Infinite, cancel : this.GrandCancel);
return(true);
}