/// <summary>
/// Transmit a string over this socket asynchronously.
/// </summary>
/// <param name="socket">the socket to transmit on</param>
/// <param name="group">The group to send the message to.</param>
/// <param name="message">the string to send</param>
public static ValueTask SendAsync(this IGroupOutSocket socket, string group, string message)
{
if (socket.TrySend(group, message))
{
return(new ValueTask());
}
return(new ValueTask(Task.Factory.StartNew(() => Send(socket, group, message),
TaskCreationOptions.LongRunning)));
}
/// <summary>
/// Transmit a byte-array of data over this socket asynchronously.
/// </summary>
/// <param name="socket">the socket to transmit on</param>
/// <param name="group">The group to send the message to.</param>
/// <param name="data">the byte-array of data to send</param>
/// <param name="length">the number of bytes to send from <paramref name="data"/>.</param>
public static ValueTask SendAsync(this IGroupOutSocket socket, string group, byte[] data, int length)
{
if (socket.TrySend(group, data, length))
{
return(new ValueTask());
}
return(new ValueTask(Task.Factory.StartNew(() => Send(socket, group, data, length),
TaskCreationOptions.LongRunning)));
}
/// <summary>
/// Attempt to transmit a byte-array of data on <paramref name="socket"/>.
/// If message cannot be sent within <paramref name="timeout"/>, return <c>false</c>.
/// </summary>
/// <param name="socket">the socket to transmit on</param>
/// <param name="timeout">The maximum period of time to try to send a message.</param>
/// <param name="group">The group to send the message to.</param>
/// <param name="data">the byte-array of data to send</param>
/// <param name="length">the number of bytes to send from <paramref name="data"/>.</param>
/// <returns><c>true</c> if a message was available, otherwise <c>false</c>.</returns>
public static bool TrySend(this IGroupOutSocket socket, TimeSpan timeout, string group, byte[] data, int length)
{
var msg = new Msg();
msg.InitPool(length);
msg.Group = group;
data.CopyTo(msg);
if (!socket.TrySend(ref msg, timeout))
{
msg.Close();
return(false);
}
msg.Close();
return(true);
}
/// <summary>
/// Attempt to transmit a single string frame on <paramref name="socket"/>.
/// If message cannot be sent within <paramref name="timeout"/>, return <c>false</c>.
/// </summary>
/// <param name="socket">the socket to transmit on</param>
/// <param name="timeout">The maximum period of time to try to send a message.</param>
/// <param name="group">The group to send the message to.</param>
/// <param name="message">the string to send</param>
/// <returns><c>true</c> if a message was available, otherwise <c>false</c>.</returns>
public static bool TrySend(this IGroupOutSocket socket, TimeSpan timeout, string group, string message)
{
var msg = new Msg();
// Count the number of bytes required to encode the string.
// Note that non-ASCII strings may not have an equal number of characters
// and bytes. The encoding must be queried for this answer.
// With this number, request a buffer from the pool.
msg.InitPool(SendReceiveConstants.DefaultEncoding.GetByteCount(message));
msg.Group = group;
// Encode the string into the buffer
SendReceiveConstants.DefaultEncoding.GetBytes(message, msg);
if (!socket.TrySend(ref msg, timeout))
{
msg.Close();
return(false);
}
msg.Close();
return(true);
}