src/diagnostics/archivist/src/constants.rs - fuchsia - Git at Google

 // Copyright 2020 The Fuchsia Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 /// Serve 64 schemas at a time.
 /// We limit to 64 because each schema is sent over a VMO and we can only have
 /// 64 handles sent over a message.
 // TODO(fxbug.dev/4601): Greedily fill the vmos with object delimited json, rather than
 // giving every schema its own vmo.
 pub const IN_MEMORY_SNAPSHOT_LIMIT: usize = 64;

 // Number of seconds to wait for a single component to have its diagnostics data "pumped".
 // This involves diagnostics directory traversal, contents extraction, and snapshotting.
 pub const PER_COMPONENT_ASYNC_TIMEOUT_SECONDS: i64 = 10;

 // Divide total batch timeout duration by this value to get the duration that should be allowed
 // on individual lazy nodes/values.
 pub const LAZY_NODE_TIMEOUT_PROPORTION: i64 = 2;

 /// Name used by clients to connect to the feedback diagnostics protocol.
 /// This protocol applies static selectors configured under config/data/feedback to
 /// inspect exfiltration.
 pub const FEEDBACK_ARCHIVE_ACCESSOR_NAME: &str = "fuchsia.diagnostics.FeedbackArchiveAccessor";

 /// Name used by clients to connect to the legacy metrics diagnostics protocol.
 /// This protocol applies static selectors configured under
 /// config/data/legacy_metrics to inspect exfiltration.
 pub const LEGACY_METRICS_ARCHIVE_ACCESSOR_NAME: &str =
     "fuchsia.diagnostics.LegacyMetricsArchiveAccessor";

 /// The maximum number of Inspect files that can be simultaneously snapshotted and formatted per
 /// reader.
 pub const MAXIMUM_SIMULTANEOUS_SNAPSHOTS_PER_READER: usize = 4;

 /// The maximum number of bytes in a formatted content VMO.
 pub const FORMATTED_CONTENT_CHUNK_SIZE_TARGET: u64 = 1 << 20; // 1 MiB

 /// For production archivist instances this value is retrieved from configuration but we still
 /// provide a default here for internal testing purposes.
 pub const LEGACY_DEFAULT_MAXIMUM_CACHED_LOGS_BYTES: usize = 4 * 1024 * 1024;

 /// Default path where pipeline configuration are located.
 pub const DEFAULT_PIPELINES_PATH: &str = "/config/data";
	// Copyright 2020 The Fuchsia Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	/// Serve 64 schemas at a time.
	/// We limit to 64 because each schema is sent over a VMO and we can only have
	/// 64 handles sent over a message.
	// TODO(fxbug.dev/4601): Greedily fill the vmos with object delimited json, rather than
	// giving every schema its own vmo.
	pub const IN_MEMORY_SNAPSHOT_LIMIT: usize = 64;

	// Number of seconds to wait for a single component to have its diagnostics data "pumped".
	// This involves diagnostics directory traversal, contents extraction, and snapshotting.
	pub const PER_COMPONENT_ASYNC_TIMEOUT_SECONDS: i64 = 10;

	// Divide total batch timeout duration by this value to get the duration that should be allowed
	// on individual lazy nodes/values.
	pub const LAZY_NODE_TIMEOUT_PROPORTION: i64 = 2;

	/// Name used by clients to connect to the feedback diagnostics protocol.
	/// This protocol applies static selectors configured under config/data/feedback to
	/// inspect exfiltration.
	pub const FEEDBACK_ARCHIVE_ACCESSOR_NAME: &str = "fuchsia.diagnostics.FeedbackArchiveAccessor";

	/// Name used by clients to connect to the legacy metrics diagnostics protocol.
	/// This protocol applies static selectors configured under
	/// config/data/legacy_metrics to inspect exfiltration.
	pub const LEGACY_METRICS_ARCHIVE_ACCESSOR_NAME: &str =
	"fuchsia.diagnostics.LegacyMetricsArchiveAccessor";

	/// The maximum number of Inspect files that can be simultaneously snapshotted and formatted per
	/// reader.
	pub const MAXIMUM_SIMULTANEOUS_SNAPSHOTS_PER_READER: usize = 4;

	/// The maximum number of bytes in a formatted content VMO.
	pub const FORMATTED_CONTENT_CHUNK_SIZE_TARGET: u64 = 1 << 20; // 1 MiB

	/// For production archivist instances this value is retrieved from configuration but we still
	/// provide a default here for internal testing purposes.
	pub const LEGACY_DEFAULT_MAXIMUM_CACHED_LOGS_BYTES: usize = 4 * 1024 * 1024;

	/// Default path where pipeline configuration are located.
	pub const DEFAULT_PIPELINES_PATH: &str = "/config/data";