/*
* /// <summary>
* /// Reconnects the underlying broker.
* /// </summary>
* /// <returns></returns>
* private async Task ReconnectAsync() {
* // shutdown broker
* lock (_broker) {
* // add broker wait
* _brokerWait = new TaskCompletionSource<Broker>();
*
* // trigger all reply waits
* lock (_replyWaits) {
* // copy dictionary over
* foreach (KeyValuePair<Guid, ReplyWait> kv in _replyWaits) {
* kv.Value.CompletionSource.TrySetException(new Exception("The underlying broker connection was lost"));
* }
*
* _replyWaits.Clear();
* }
*
#if DEBUG
* Debug.WriteLine(":Reconnect -> Cancelled all waits");
#endif
* }
*
* // wait for reconnect
* _broker = await _broker.Context.CreateBrokerAsync(_configuration.ApplicationId).ConfigureAwait(false);
*
* // setup
* await SetupAsync().ConfigureAwait(false);
*
* // resetup services
* List<Task> resetupTasks = new List<Task>();
*
* lock (_services) {
* foreach (Service service in _services) {
* resetupTasks.Add(service.ResetupAsync(_broker));
* }
* }
*
* // wait until all services are setup again
* await Task.WhenAll(resetupTasks).ConfigureAwait(false);
*
#if DEBUG
* Debug.WriteLine(string.Format(":Reconnect -> Recreated broker with {0} services", resetupTasks.Count));
#endif
*
* // cancel broker wait
* lock (_broker) {
* _brokerWait.SetResult(_broker);
* _brokerWait = null;
*
#if DEBUG
* Debug.WriteLine(":Reconnect -> Set broker and resumed waits");
#endif
* }
* }*/
/// <summary>
/// Setup the node, called internally.
/// </summary>
/// <returns></returns>
internal async Task SetupAsync()
{
// setup all namespaces
Task[] setupTasks = _namespaces.Select(n => n.SetupAsync()).ToArray();
await Task.WhenAll(setupTasks);
// setup service
if (_queryService == null)
{
_queryService = await AttachAsync(string.Format("node:{0}", _uuid), ServiceType.Singleton, ServiceExecution.Parallel, RpcBehaviour.Bind <INodeQuery001>(new NodeQueryImpl(this))).ConfigureAwait(false);
}
}
static async Task AsyncMain(string[] args)
{
// attach node
TestNode = await Node.CreateFromEnvironmentAsync(new NodeConfiguration()
{
ThrowUnhandledExceptions = true
});
// attach
Service service = null;
try {
service = await TestNode.AttachAsync("auth:login", ServiceType.Balanced, RpcBehaviour.Bind <ITest001>(new Test001(Guid.NewGuid())));
} catch (Exception) {
Console.WriteLine();
}
var proxy = TestNode.Proxy <ITest001>("auth:login");
string a = await proxy.Login(new LoginRequestMsg()
{
Username = "******",
Password = "******"
});
await Task.Delay(50000);
}
/// <summary>
/// Setup the node, called internally.
/// </summary>
/// <returns></returns>
internal async Task SetupAsync()
{
// add shutdown handler
_broker.Shutdown += async delegate(object s, BrokerShutdownEventArgs e) {
Debug.WriteLine(":Reconnect -> Reconnecting");
try {
await ReconnectAsync().ConfigureAwait(false);
#if DEBUG
} catch (Exception ex) {
Debug.Fail(":Reconnect -> Failed to reconnect: " + ex.Message);
#else
} catch (Exception ex) {
#endif
Console.WriteLine("messaging", "failed to reconnect to broker: {0}", ex.ToString());
Dispose();
}
};
// add returned handler
_broker.Returned += delegate(object s, BrokerReturnedEventArgs e) {
if (e.ID != Guid.Empty)
{
TaskCompletionSource <Envelope> tcs;
lock (_replyWaits) {
// try and get the reply wait
if (!_replyWaits.TryGetValue(e.ID, out ReplyWait replyWait))
{
return;
}
// if this is a multi-reply do nothing
if (replyWait.Results != null)
{
return;
}
// remove and set exception
tcs = replyWait.CompletionSource;
_replyWaits.Remove(e.ID);
}
tcs.TrySetException(new Exception("The envelope was returned before delivery"));
}
};
// create reply queue
try {
// declare queue with unique name
using (RandomNumberGenerator rng = RandomNumberGenerator.Create()) {
// get unique string
byte[] uniqueId = new byte[20];
rng.GetBytes(uniqueId);
string uniqueIdStr = BitConverter.ToString(uniqueId).Replace("-", "").ToLower();
_replyQueue = await _broker.CreateQueueAsync(string.Format("~reply:{1}%{0}", _uuid, uniqueIdStr), false, true, "", "", true, true, new Dictionary <string, object>() {
{ "x-expires", (int)TimeSpan.FromMinutes(15).TotalMilliseconds }
}).ConfigureAwait(false);
}
} catch (Exception ex) {
throw new InvalidOperationException("Failed to create node reply queue", ex);
}
// setup service
if (_queryService == null)
{
_queryService = await AttachAsync(string.Format("node:{0}", _uuid), ServiceType.Singleton, ServiceExecution.Parallel, RpcBehaviour.Bind <INodeQuery001>(new NodeQueryImpl(this))).ConfigureAwait(false);
}
// start reply processor
ReplyLoop();
}
