devtools-wire-format 0.5.3

gRPC wire format for the CrabNebula devtools for Tauri
Documentation 
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syntax = "proto3";

package rs.devtools.spans;

import "google/protobuf/timestamp.proto";
import "common.proto";

message Update {
  // A list of span events that happened since the last update.
  repeated SpanEvent span_events = 1;
  // A count of how many log events were dropped because
  // the event buffer was at capacity.
  //
  // If everything is working correctly, this should be 0. If this
  // number is greater than zero this indicates the event buffers capacity
  // should be increased or the publish interval decreased.
  uint64 dropped_events = 2;
}

// A span event
//
// Span events are emitted whenever a span lifecycle event happens and are thus rather low-level by nature.
message SpanEvent {
  oneof event {
    Span new_span = 1;
    Enter enter_span = 2;
    Exit exit_span = 3;
    Close close_span = 4;
    Recorded recorded = 5;
  }

  // Represents a period of time in which a program was executing in a particular context.
  //
  // Corresponds to `Span` in the `tracing` crate.
  message Span {
    // An Id that uniquely identifies it in relation to other spans.
    uint64 id = 1;
    // Identifier for metadata describing static characteristics of all spans originating
    // from that call site, such as its name, source code location, verbosity level, and
    // the names of its fields.
    uint64 metadata_id = 2;
    // User-defined key-value pairs of arbitrary data that describe the context the span represents.
    repeated common.Field fields = 3;
    optional uint64 parent = 4;
    // Timestamp for the span.
    google.protobuf.Timestamp at = 5;
  }

  message Enter {
    uint64 span_id = 1;
    uint64 thread_id = 2;
    google.protobuf.Timestamp at = 3;
  }

  message Exit {
    uint64 span_id = 1;
    uint64 thread_id = 2;
    google.protobuf.Timestamp at = 3;
  }

  message Close {
    uint64 span_id = 1;
    google.protobuf.Timestamp at = 3;
  }

  // Span recorded values for a list of fields.
  message Recorded {
    // An Id that uniquely identifies it in relation to other spans.
    uint64 span_id = 1;
    // Data recorded by the span.
    repeated common.Field fields = 2;
  }
}