4b278a9fd1
* Use `.info` logging in most places. * Remove old objc logging support. * Fix table view controller. * Make sure timeline item content isn't logged. * Add tests.
108 lines
3.9 KiB
Swift
108 lines
3.9 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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import MatrixRustSDK
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class NSELogger {
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private static var isConfigured = false
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/// Memory formatter, uses exact 2 fraction digits and no grouping
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private static var numberFormatter: NumberFormatter {
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let formatter = NumberFormatter()
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formatter.alwaysShowsDecimalSeparator = true
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formatter.decimalSeparator = "."
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formatter.groupingSeparator = ""
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formatter.maximumFractionDigits = 2
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formatter.minimumFractionDigits = 2
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return formatter
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}
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private static var formattedMemoryAvailable: String {
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let freeBytes = os_proc_available_memory()
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let freeMB = Double(freeBytes) / 1024 / 1024
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guard let formattedStr = numberFormatter.string(from: NSNumber(value: freeMB)) else {
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return ""
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}
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return "\(formattedStr) MB"
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}
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/// Details: https://developer.apple.com/forums/thread/105088
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/// - Returns: Current memory footprint
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private static var memoryFootprint: Float? {
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// The `TASK_VM_INFO_COUNT` and `TASK_VM_INFO_REV1_COUNT` macros are too
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// complex for the Swift C importer, so we have to define them ourselves.
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let TASK_VM_INFO_COUNT = mach_msg_type_number_t(MemoryLayout<task_vm_info_data_t>.size / MemoryLayout<integer_t>.size)
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guard let offset = MemoryLayout.offset(of: \task_vm_info_data_t.min_address) else {
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return nil
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}
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let TASK_VM_INFO_REV1_COUNT = mach_msg_type_number_t(offset / MemoryLayout<integer_t>.size)
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var info = task_vm_info_data_t()
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var count = TASK_VM_INFO_COUNT
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let kr = withUnsafeMutablePointer(to: &info) { infoPtr in
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infoPtr.withMemoryRebound(to: integer_t.self, capacity: Int(count)) { intPtr in
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task_info(mach_task_self_, task_flavor_t(TASK_VM_INFO), intPtr, &count)
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}
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}
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guard kr == KERN_SUCCESS, count >= TASK_VM_INFO_REV1_COUNT else {
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return nil
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}
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return Float(info.phys_footprint)
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}
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/// Formatted memory footprint for debugging purposes
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/// - Returns: Memory footprint in MBs as a readable string
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public static var formattedMemoryFootprint: String {
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let usedBytes = UInt64(memoryFootprint ?? 0)
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let usedMB = Double(usedBytes) / 1024 / 1024
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guard let formattedStr = numberFormatter.string(from: NSNumber(value: usedMB)) else {
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return ""
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}
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return "\(formattedStr) MB"
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}
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static func configure() {
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guard !isConfigured else {
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return
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}
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isConfigured = true
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let configuration = MXLogConfiguration()
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configuration.maxLogFilesCount = 10
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configuration.subLogName = "nse"
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#if DEBUG
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setupTracing(configuration: .debug)
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configuration.logLevel = .debug
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#else
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setupTracing(configuration: .release)
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configuration.logLevel = .info
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#endif
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// Avoid redirecting NSLogs to files if we are attached to a debugger.
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if isatty(STDERR_FILENO) == 0 {
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configuration.redirectLogsToFiles = true
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}
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MXLog.configure(configuration)
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}
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static func logMemory(with tag: String) {
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MXLog.info("\(tag) Memory: footprint: \(formattedMemoryFootprint) - available: \(formattedMemoryAvailable)")
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}
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}
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