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Log backend for rust forontend
This is logger impl that bridges rust log frontend with C++ mw_log implementation Signed-off-by: Pawel Rutka <pawel.rutka.ext@qorix.ai>
1 parent 8633c3b commit f5bf372

9 files changed

Lines changed: 568 additions & 21 deletions

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‎.bazelrc‎

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common --registry=https://raw.githubusercontent.com/eclipse-score/bazel_registry/main/
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common --registry=https://bcr.bazel.build
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# magic logging configuration
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common --@score-baselibs//score/mw/log/detail/flags:KUse_Stub_Implementation_Only=False
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common --@score-baselibs//score/mw/log/flags:KRemote_Logging=False
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common --@score-baselibs//score/json:base_library=nlohmann

‎BUILD‎

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#
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# SPDX-License-Identifier: Apache-2.0
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# *******************************************************************************
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load("@score_cr_checker//:cr_checker.bzl", "copyright_checker")
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load("@score_dash_license_checker//:dash.bzl", "dash_license_checker")
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load("@score_docs_as_code//:docs.bzl", "docs")
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load("@score_tooling//:defs.bzl", "copyright_checker", "dash_license_checker", "setup_starpls", "use_format_targets")
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load("@score_format_checker//:macros.bzl", "use_format_targets")
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load("@score_starpls_lsp//:starpls.bzl", "setup_starpls")
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load("//:project_config.bzl", "PROJECT_CONFIG")
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setup_starpls(
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"//:BUILD",
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"//:MODULE.bazel",
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],
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config = "@score_tooling//cr_checker/resources:config",
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template = "@score_tooling//cr_checker/resources:templates",
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config = "@score_cr_checker//resources:config",
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template = "@score_cr_checker//resources:templates",
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visibility = ["//visibility:public"],
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)
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‎MODULE.bazel‎

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# SPDX-License-Identifier: Apache-2.0
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# *******************************************************************************
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module(
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name = "cpp_rust_template_repository",
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version = "1.0",
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name = "score-mw-log",
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version = "0.1",
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)
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bazel_dep(name = "rules_python", version = "1.4.1")
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use_repo(python)
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# Add GoogleTest dependency
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bazel_dep(name = "googletest", version = "1.17.0")
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bazel_dep(name = "googletest", version = "1.15.0")
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# Rust rules for Bazel
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bazel_dep(name = "rules_rust", version = "0.63.0")
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bazel_dep(name = "rules_rust", version = "0.56.0")
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# Checker rule for CopyRight checks/fixs
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bazel_dep(name = "score_cr_checker", version = "0.3.1")
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bazel_dep(name = "score_python_basics", version = "0.3.4")
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bazel_dep(name = "score_starpls_lsp", version = "0.1.0")
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# C/C++ rules for Bazel
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bazel_dep(name = "rules_cc", version = "0.2.1")
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bazel_dep(name = "rules_cc", version = "0.1.1")
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# LLVM Toolchains Rules - host configuration
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bazel_dep(name = "toolchains_llvm", version = "1.4.0")
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bazel_dep(name = "toolchains_llvm", version = "1.3.0")
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llvm = use_extension("@toolchains_llvm//toolchain/extensions:llvm.bzl", "llvm")
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llvm.toolchain(
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cxx_standard = {"": "c++17"},
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llvm_version = "19.1.0",
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# Configure and register the toolchain.
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bazel_dep(name = "score_toolchains_gcc", version = "0.4", dev_dependency=True)
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gcc = use_extension("@score_toolchains_gcc//extentions:gcc.bzl", "gcc", dev_dependency=True)
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gcc.toolchain(
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url = "https://github.com/eclipse-score/toolchains_gcc_packages/releases/download/0.0.1/x86_64-unknown-linux-gnu_gcc12.tar.gz",
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sha256 = "457f5f20f57528033cb840d708b507050d711ae93e009388847e113b11bf3600",
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strip_prefix = "x86_64-unknown-linux-gnu",
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)
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use_repo(llvm, "llvm_toolchain")
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use_repo(llvm, "llvm_toolchain_llvm")
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register_toolchains("@llvm_toolchain//:all")
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use_repo(gcc, "gcc_toolchain", "gcc_toolchain_gcc")
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# Dash license checker
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bazel_dep(name = "score_dash_license_checker", version = "0.1.2")
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# tooling
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bazel_dep(name = "score_tooling", version = "1.0.1")
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bazel_dep(name = "aspect_rules_lint", version = "1.5.3")
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# Format checker
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bazel_dep(name = "score_format_checker", version = "0.1.1")
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bazel_dep(name = "aspect_rules_lint", version = "1.4.4")
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bazel_dep(name = "buildifier_prebuilt", version = "8.2.0.2")
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#docs-as-code
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bazel_dep(name = "score_docs_as_code", version = "1.1.0")
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bazel_dep(name = "score_docs_as_code", version = "1.0.1")
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# Code deps
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bazel_dep(name = "score-baselibs", version = "0.1.0")
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git_override(
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module_name = "score-baselibs",
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commit = "ae050e3cc556572830e1ec02ffbcbbd03f26df13", # or use "tag" or "branch"
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remote = "https://github.com/eclipse-score/baselibs.git",
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)

‎src/mw_log_subscriber/BUILD‎

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# *******************************************************************************
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# Copyright (c) 2025 Contributors to the Eclipse Foundation
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#
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# See the NOTICE file(s) distributed with this work for additional
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# information regarding copyright ownership.
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#
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# This program and the accompanying materials are made available under the
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# terms of the Apache License Version 2.0 which is available at
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# SPDX-License-Identifier: Apache-2.0
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# *******************************************************************************
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load("@rules_rust//cargo:defs.bzl", "cargo_build_script")
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load("@rules_rust//rust:defs.bzl", "rust_binary", "rust_library")
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cc_library(
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name = "libmw_log_ffi",
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srcs = ["src/mw_log_ffi.cpp"],
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visibility = ["//visibility:public"],
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deps = [
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"@score-baselibs//score/mw/log",
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],
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)
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rust_library(
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name = "mw_log_subscriber",
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srcs = glob(["src/**/*.rs"]),
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crate_name = "mw_log_subscriber",
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edition = "2021",
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visibility = ["//visibility:public"],
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deps = [
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":libmw_log_ffi",
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"@score-baselibs//score/mw/log/rust:mw_log",
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],
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)
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rust_binary(
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name = "example",
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srcs = ["examples/main.rs"],
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data = [
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"examples/config/logging.json",
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],
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edition = "2021",
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visibility = ["//visibility:public"],
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deps = [
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":mw_log_subscriber",
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"@score-baselibs//score/mw/log/rust:mw_log",
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],
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)

‎src/mw_log_subscriber/examples/config/logging.json‎

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{
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"appId": "JSON",
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"appDesc": "JSON example programs",
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"logMode" : "kConsole",
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"logLevel": "kVerbose",
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"logLevelThresholdConsole": "kInfo"
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}

‎src/mw_log_subscriber/examples/main.rs‎

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//
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// Copyright (c) 2025 Contributors to the Eclipse Foundation
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//
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// See the NOTICE file(s) distributed with this work for additional
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// information regarding copyright ownership.
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//
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// This program and the accompanying materials are made available under the
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// terms of the Apache License Version 2.0 which is available at
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// <https://www.apache.org/licenses/LICENSE-2.0>
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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use std::path::PathBuf;
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use mw_log::{debug, error, info, trace, warn};
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use mw_log_subscriber::MwLoggerBuilder;
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fn main() {
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//Setup for example using config file
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let path = PathBuf::from(std::env::current_dir().unwrap())
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.join(file!())
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.parent()
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.unwrap()
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.join("config")
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.join("logging.json");
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std::env::set_var("MW_LOG_CONFIG_FILE", path.as_os_str());
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// Just initialize and set as default logger
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MwLoggerBuilder::new().set_as_default_logger::<false, true, false>();
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trace!("This is a trace log");
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debug!("This is a debug log");
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error!("This is an error log");
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info!("This is an info log");
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warn!("This is a warn log");
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error!(
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"This is an log that will be trimmed: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
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ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
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ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
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eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
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fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
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ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg
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END MARKER NOT VISIBLE"
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);
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error!(
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"This is an log that will be trimmed {} {} {} {} {} {} {}. END MARKER NOT VISIBLE",
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
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"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
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"ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
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"ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
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"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
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"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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"ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg"
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);
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// Using logger instance with context
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let logger = MwLoggerBuilder::new()
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.with_context("ALFA")
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.build::<false, true, false>();
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trace!(
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logger : logger,
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"This is a trace log"
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);
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debug!(logger : logger, "This is a debug log");
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error!(logger : logger, "This is an error log");
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info!(logger : logger, "This is an info log");
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warn!(logger : logger, "This is a warn log");
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}

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