/// <summary>
/// Polls the supplied items for events. Static method.
/// </summary>
/// <param name="items">Items to Poll</param>
/// <param name="timeout">Timeout(micro seconds)</param>
/// <returns>Number of Poll items with events</returns>
public static int Poller(PollItem[] items, long timeout)
{
Stopwatch spentTimeout = new Stopwatch();
int rc = -1;
if (timeout >= 0)
{
spentTimeout.Start();
}
while (rc != 0)
{
ZMQPollItem[] zitems = new ZMQPollItem[items.Length];
int index = 0;
foreach (PollItem item in items)
{
item.ZMQPollItem.ResetRevents();
zitems[index] = item.ZMQPollItem;
index++;
}
rc = C.zmq_poll(zitems, items.Length, timeout);
if (rc > 0)
{
for (index = 0; index < items.Length; index++)
{
items[index].ZMQPollItem = zitems[index];
items[index].FireEvents();
}
break;
}
else if (rc < 0)
{
if (ZMQ.C.zmq_errno() == 4)
{
if (spentTimeout.IsRunning)
{
long elapsed = spentTimeout.ElapsedMilliseconds * 1000;
if (timeout < elapsed)
{
break;
}
else
{
timeout -= elapsed;
continue;
}
}
else
{
continue;
}
}
throw new Exception();
}
}
return(rc);
}
/// <summary>
/// Polls the supplied items for events. Static method.
/// </summary>
/// <param name="items">Items to Poll</param>
/// <param name="timeout">Timeout(micro seconds)</param>
/// <returns>Number of Poll items with events</returns>
public static int Poller(PollItem[] items, long timeout)
{
var spentTimeout = new Stopwatch();
int rc = -1;
if (timeout >= 0) {
spentTimeout.Start();
}
while (rc != 0) {
var zitems = new ZMQPollItem[items.Length];
int index = 0;
foreach (PollItem item in items) {
item.ZMQPollItem.ResetRevents();
zitems[index] = item.ZMQPollItem;
index++;
}
rc = C.zmq_poll(zitems, items.Length, timeout);
if (rc > 0) {
for (index = 0; index < items.Length; index++) {
items[index].ZMQPollItem = zitems[index];
items[index].FireEvents();
}
break;
}
if (rc < 0) {
if (C.zmq_errno() == 4) {
if (spentTimeout.IsRunning) {
long elapsed = spentTimeout.ElapsedMilliseconds * 1000;
if (timeout < elapsed) {
break;
}
timeout -= elapsed;
continue;
}
continue;
}
throw new Exception();
}
}
return rc;
}
/// <summary>
/// Should not be created directly, use Socket.CreatePollItem
/// </summary>
/// <param name="zmqPollItem"></param>
/// <param name="socket"></param>
internal PollItem(ZMQPollItem zmqPollItem, Socket socket) {
this._socket = socket;
this._zmqPollItem = zmqPollItem;
}
/// <summary>
/// Should not be created directly, use Socket.CreatePollItem
/// </summary>
/// <param name="zmqPollItem"></param>
/// <param name="socket"></param>
internal PollItem(ZMQPollItem zmqPollItem, Socket socket)
{
this._socket = socket;
this._zmqPollItem = zmqPollItem;
}
/// <summary>
/// Should not be created directly, use Socket.CreatePollItem
/// </summary>
/// <param name="zmqPollItem">Native poll item</param>
/// <param name="socket">Socket to poll</param>
internal PollItem(ZMQPollItem zmqPollItem, Socket socket) {
_socket = socket;
_zmqPollItem = zmqPollItem;
}
/// <summary>
/// Should not be created directly, use Socket.CreatePollItem
/// </summary>
/// <param name="zmqPollItem">Native poll item</param>
/// <param name="socket">Socket to poll</param>
internal PollItem(ZMQPollItem zmqPollItem, Socket socket) {
if (socket == null) {
throw new ArgumentNullException("socket");
}
_socket = socket;
_zmqPollItem = zmqPollItem;
}
