envoy.data.tap.v2alpha.transport.proto Maven / Gradle / Ivy

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syntax = "proto3";

package envoy.data.tap.v2alpha;

import "envoy/api/v2/core/address.proto";
import "envoy/data/tap/v2alpha/common.proto";

import "google/protobuf/timestamp.proto";

import "udpa/annotations/status.proto";

option java_package = "io.envoyproxy.envoy.data.tap.v2alpha";
option java_outer_classname = "TransportProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/data/tap/v2alpha";
option (udpa.annotations.file_status).package_version_status = FROZEN;

// [#protodoc-title: Transport tap data]
// Trace format for the tap transport socket extension. This dumps plain text read/write
// sequences on a socket.

// Connection properties.
message Connection {
  // Local address.
  api.v2.core.Address local_address = 2;

  // Remote address.
  api.v2.core.Address remote_address = 3;
}

// Event in a socket trace.
message SocketEvent {
  // Data read by Envoy from the transport socket.
  message Read {
    // TODO(htuch): Half-close for reads.

    // Binary data read.
    Body data = 1;
  }

  // Data written by Envoy to the transport socket.
  message Write {
    // Binary data written.
    Body data = 1;

    // Stream was half closed after this write.
    bool end_stream = 2;
  }

  // The connection was closed.
  message Closed {
    // TODO(mattklein123): Close event type.
  }

  // Timestamp for event.
  google.protobuf.Timestamp timestamp = 1;

  // Read or write with content as bytes string.
  oneof event_selector {
    Read read = 2;

    Write write = 3;

    Closed closed = 4;
  }
}

// Sequence of read/write events that constitute a buffered trace on a socket.
// [#next-free-field: 6]
message SocketBufferedTrace {
  // Trace ID unique to the originating Envoy only. Trace IDs can repeat and should not be used
  // for long term stable uniqueness. Matches connection IDs used in Envoy logs.
  uint64 trace_id = 1;

  // Connection properties.
  Connection connection = 2;

  // Sequence of observed events.
  repeated SocketEvent events = 3;

  // Set to true if read events were truncated due to the :ref:`max_buffered_rx_bytes
  // ` setting.
  bool read_truncated = 4;

  // Set to true if write events were truncated due to the :ref:`max_buffered_tx_bytes
  // ` setting.
  bool write_truncated = 5;
}

// A streamed socket trace segment. Multiple segments make up a full trace.
message SocketStreamedTraceSegment {
  // Trace ID unique to the originating Envoy only. Trace IDs can repeat and should not be used
  // for long term stable uniqueness. Matches connection IDs used in Envoy logs.
  uint64 trace_id = 1;

  oneof message_piece {
    // Connection properties.
    Connection connection = 2;

    // Socket event.
    SocketEvent event = 3;
  }
}