Files
letro-ios/ElementX/Sources/Other/Logging/RustTracing.swift
2023-08-24 15:12:19 +03:00

107 lines
4.0 KiB
Swift

//
// Copyright 2022 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Collections
import MatrixRustSDK
struct OTLPConfiguration {
let url: String
let username: String
let password: String
}
// This exposes the full Rust side tracing subscriber filter for more flexibility.
// We can filter by level, crate and even file. See more details here:
// https://docs.rs/tracing-subscriber/0.2.7/tracing_subscriber/filter/struct.EnvFilter.html#examples
struct TracingConfiguration {
/// Configure tracing with certain overrides in place
/// - Parameter overrides: the desired overrides
/// - Returns: a custom tracing configuration
static func custom(overrides: [Target: LogLevel]) -> TracingConfiguration {
TracingConfiguration(overrides: overrides)
}
/// Sets the same log level for all Targets
/// - Parameter logLevel: the desired log level
/// - Returns: a custom tracing configuration
static func custom(logLevel: LogLevel) -> TracingConfiguration {
let overrides = targets.keys.reduce(into: [Target: LogLevel]()) { partialResult, target in
partialResult[target] = logLevel
}
return TracingConfiguration(overrides: overrides)
}
enum LogLevel: String, Codable, CaseIterable { case error, warn, info, debug, trace }
enum Target: String {
case common = ""
case hyper, matrix_sdk_ffi, matrix_sdk_crypto
case matrix_sdk_http_client = "matrix_sdk::http_client"
case matrix_sdk_ffi_uniffi_api = "matrix_sdk_ffi::uniffi_api"
case matrix_sdk_sliding_sync = "matrix_sdk::sliding_sync"
case matrix_sdk_base_sliding_sync = "matrix_sdk_base::sliding_sync"
case matrix_sdk_ui_timeline = "matrix_sdk_ui::timeline"
}
static let targets: OrderedDictionary<Target, LogLevel> = [
.common: .info,
.hyper: .info,
.matrix_sdk_crypto: .info,
.matrix_sdk_http_client: .info,
.matrix_sdk_sliding_sync: .info,
.matrix_sdk_base_sliding_sync: .info,
.matrix_sdk_ui_timeline: .info
]
var overrides = [Target: LogLevel]()
var filter: String {
var newTargets = Self.targets
for (target, logLevel) in overrides {
newTargets.updateValue(logLevel, forKey: target)
}
let components = newTargets.map { (target: Target, logLevel: LogLevel) in
guard !target.rawValue.isEmpty else {
return logLevel.rawValue
}
return "\(target.rawValue)=\(logLevel.rawValue)"
}
return components.joined(separator: ",")
}
}
func setupTracing(configuration: TracingConfiguration, otlpConfiguration: OTLPConfiguration?) {
if let otlpConfiguration {
setupOtlpTracing(config: .init(clientName: "ElementX-iOS",
user: otlpConfiguration.username,
password: otlpConfiguration.password,
otlpEndpoint: otlpConfiguration.url,
filter: configuration.filter,
writeToStdoutOrSystem: true,
writeToFiles: nil))
} else {
setupTracing(config: .init(filter: configuration.filter,
writeToStdoutOrSystem: true,
writeToFiles: nil))
}
}