SocketAsyncEventArgsPool.cs

using System.Net.Sockets;

namespace SocketHelper;

// from: https://learn.microsoft.com/en-us/dotnet/api/system.net.sockets.socketasynceventargs.-ctor?view=net-8.0
class SocketAsyncEventArgsPool {
  Stack<SocketAsyncEventArgs> m_pool;

  // Initializes the object pool to the specified size
  //
  // The "capacity" parameter is the maximum number of
  // SocketAsyncEventArgs objects the pool can hold
  public SocketAsyncEventArgsPool(int capacity) {
    m_pool = new Stack<SocketAsyncEventArgs>(capacity);
  }

  // Add a SocketAsyncEventArg instance to the pool
  //
  //The "item" parameter is the SocketAsyncEventArgs instance
  // to add to the pool
  public void Push(SocketAsyncEventArgs item) {
    if (item == null) { throw new ArgumentNullException("Items added to a SocketAsyncEventArgsPool cannot be null"); }
    lock (m_pool) {
      m_pool.Push(item);
    }
  }

  // Removes a SocketAsyncEventArgs instance from the pool
  // and returns the object removed from the pool
  public SocketAsyncEventArgs Pop() {
    lock (m_pool) {
      return m_pool.Pop();
    }
  }

  // The number of SocketAsyncEventArgs instances in the pool
  public int Count {
    get { return m_pool.Count; }
  }
}