91 lines
2.8 KiB
C#
91 lines
2.8 KiB
C#
using System.Text;
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namespace ZB.MOM.NatsNet.Server;
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public sealed partial class NatsServer
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{
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internal void SendDomainLeaderElectAdvisory()
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{
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var (_, cluster) = GetJetStreamCluster();
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var meta = cluster?.Meta;
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if (meta == null)
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return;
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Noticef(
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"JetStream domain leader elected advisory for leader {0} in cluster {1}",
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meta.GroupLeader(),
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CachedClusterName());
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}
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internal void SendConsumerLostQuorumAdvisory(NatsConsumer? consumer)
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{
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if (consumer == null || !consumer.ShouldSendLostQuorum())
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return;
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Noticef("JetStream consumer lost quorum advisory for consumer {0} on stream {1}", consumer.Name, consumer.Stream);
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}
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internal void SendConsumerLeaderElectAdvisory(NatsConsumer? consumer)
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{
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if (consumer == null)
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return;
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Noticef("JetStream consumer leader elected advisory for consumer {0} on stream {1}", consumer.Name, consumer.Stream);
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}
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internal void JsClusteredStreamRequest(
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ClientInfo clientInfo,
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Account account,
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string subject,
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string reply,
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byte[] rawMessage,
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StreamConfigRequest configRequest)
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{
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var (js, cluster) = GetJetStreamCluster();
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if (js == null || cluster == null)
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return;
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var cfg = configRequest.Config;
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var engine = new JetStreamEngine(js);
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var limitsError = engine.JsClusteredStreamLimitsCheck(account, cfg);
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if (limitsError != null)
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{
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var response = new ApiResponse
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{
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Type = JsApiSubjects.JsApiStreamCreateResponseType,
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Error = limitsError,
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};
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SendAPIErrResponse(clientInfo, account, subject, reply, string.Empty, JsonResponse(response));
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return;
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}
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var (group, createError) = engine.CreateGroupForStream(clientInfo, cfg);
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if (group == null || createError != null)
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{
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var response = new ApiResponse
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{
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Type = JsApiSubjects.JsApiStreamCreateResponseType,
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Error = JsApiErrors.NewJSClusterNoPeersError(createError ?? new SelectPeerError { Misc = true }),
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};
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SendAPIErrResponse(clientInfo, account, subject, reply, string.Empty, JsonResponse(response));
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return;
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}
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var assignment = new StreamAssignment
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{
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Group = group,
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Config = cfg,
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Subject = subject,
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Reply = reply,
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Client = clientInfo,
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Created = DateTime.UtcNow,
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};
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if (cluster.Meta != null)
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{
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cluster.Meta.Propose(Encoding.UTF8.GetBytes($"create-stream:{account.Name}:{cfg.Name}"));
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cluster.TrackInflightStreamProposal(account.Name, assignment, deleted: false);
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}
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}
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}
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