Class RemoteEvents

Events other servers send in transactions: their senders' keys are gathered, and when they build on events this server does not have, those are asked for with get_missing_events and accepted first.

Inheritance
object
RemoteEvents
Inherited Members
Namespace: Uniform.Matrix.Server.Federation
Assembly: Uniform.Matrix.Server.dll
Syntax
public sealed class RemoteEvents
Remarks

At most MaxMissing missing events are asked for per event, one level deep. When previous or auth events are still missing after that, the sending server is asked for the state before the event; the events of that state and their auth chain that are not here are fetched one by one, and the event is checked against that state.

Constructors

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RemoteEvents(EventSender, RemoteServerKeys, FederationClient, IDbContextFactory<ServerDbContext>, ILogger<RemoteEvents>)

Create the service.

Declaration
public RemoteEvents(EventSender sender, RemoteServerKeys keys, FederationClient federation, IDbContextFactory<ServerDbContext> contexts, ILogger<RemoteEvents> logger)
Parameters
Type Name Description
EventSender sender
RemoteServerKeys keys
FederationClient federation
IDbContextFactory<ServerDbContext> contexts
ILogger<RemoteEvents> logger

Fields

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MaxMissing

Most missing events asked for at once.

Declaration
public const int MaxMissing = 20
Field Value
Type Description
int

Methods

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AcceptAsync(string, JsonObject, CancellationToken)

Accept an event origin sent, after the events before it that are missing here; return its ID, if known, and why it was rejected, or null when stored.

Declaration
public Task<(string? EventId, string? Error)> AcceptAsync(string origin, JsonObject pdu, CancellationToken cancellationToken)
Parameters
Type Name Description
string origin
JsonObject pdu
CancellationToken cancellationToken
Returns
Type Description
Task<(string EventId, string Error)>