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99 lines
3.0 KiB
Cap'n Proto
99 lines
3.0 KiB
Cap'n Proto
@0xd75a34c00d06ab36;
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using Common = import "common.capnp";
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struct Update {
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newResource @0 :List(Resource);
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# List of new resources that were created since the last Update was sent
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statsUpdate @1 :Common.IntMap(Stats);
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# All resource stats that have changed since the last update
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newPollOps @2 :List(PollOp);
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# List of all new poll ops that have been invoked on resources since the last update
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droppedEvents @3 :UInt64;
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# Count of how many resource events were not recorded because the applications event buffer was
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# at capacity.
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#
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# If everything is working normally, this is 0. If it is not that may inidcate that some data is
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# missing from this update and it may be necessary to increase the number of events buffered by
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# the application to ensure that data loss is avoided.
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#
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# If the application's instrumentation ensures reliable delivery of events, this will alway be 0
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}
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struct Resource {
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id @0 :Common.Id;
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# The resource's ID.
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#
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# This uniquely identifies this resource across all *currently live* resoures.
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metadata @1 :Common.MetaId;
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# Numeric ID of the resource's Metadata.
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concreteType @2 :Text;
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# Name of the concrete Rust type of this resource
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kind @3 :Kind;
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# The kind of this resource
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struct Kind {
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union {
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wellKnown @0 :WellKnown;
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other @1 :Text;
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}
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enum WellKnown {
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timer @0;
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}
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}
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location @4 :Common.Location;
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# The location in code where this resource was created
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parentResourceId @5 :Common.Id;
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# ID of the parent resource
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internal @6 :Bool;
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# Wether or not this resource is an internal component of another resource
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}
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struct Stats {
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# Task runtime stats of a resource
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createdAt @0 :Common.Timestamp;
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# Timestamp of when the resource was created
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droppedAt @1 :Common.Timestamp;
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# Timestamp of when the resource was dropped
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attributes @2 :List(Common.Attribute);
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# State attributes of the resource. These are dependent on the type of the resource. For example
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# a timer resource will have a duration, while a semaphore resource may have permits as an
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# attribute. These values may change over time as the state of the resource changes. Therefore
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# they live in the runtime stats rather than the static data describing the resource
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}
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struct PollOp {
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metadata @1 :Common.MetaId;
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# Numeric ID of the op's Metadata
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#
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# This identifies the `Metadata` that describes the `tracing` span corresponding to this op. The
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# metadata for this ID will have been sent in a prior `RegisterMetadata` message.
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resource @0 :Common.Id;
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# The resource's ID
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name @2 :Text;
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# Name of this op (e.g. poll_elapsed, new_timeout, reset, etc.)
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task @3 :Common.Id;
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# The ID of the task context that this poll op has been called from
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asyncOp @4 :Common.Id;
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# The ID of the async op that this poll op is part of
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ready @5 :Bool;
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# Wheter this poll op has return with `Ready` or not.
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}
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