/// <summary>
/// 三经典模式：推拉模式(管道模式)
/// 一个消息只能被消费一次
/// </summary>
static void PushPull()
{
using (var pullSocket = new PullSocket())
using (var pushSocket = new PushSocket())
{
var port = pullSocket.BindRandomPort($"{address}");
pushSocket.Connect($"{address}:" + port);
pushSocket.SendMoreFrame("hello").SendFrame("hello world");
var s = pullSocket.ReceiveFrameString();
s += pullSocket.ReceiveFrameString();
Console.WriteLine(s);//hellohello world
}
}