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f91f5ad62f
* Update to mojo fd8d18dbf7a4f9ed8a607648cca6d2c595b1c580 * Update mojo_sdk * Update to account for Mojo API changes * Backport to older base
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This is a client library that constructs a MojoLogger that can talk to a
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// Mojo logging service (see ../interfaces/log.mojo). It provides a |MojoLogger|
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// implementation which can be used as the default environment logger.
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//
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// Example application that uses this log client to talk to the log service:
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//
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// class MyApp : public mojo::ApplicationImplBase {
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// public:
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// void OnInitialize() override {
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// LogPtr log;
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// mojo::ConnectToService(shell(), "mojo:log", &log);
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// mojo::log::InitializeLogger(std::move(log),
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// mojo::Environment::GetDefaultLogger());
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// mojo::Environment::SetDefaultLogger(mojo::log::GetLogger());
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// }
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//
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// void OnQuit() override {
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// mojo::log::DestroyLogger();
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// }
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// };
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//
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// MojoResult MojoMain(MojoHandle app_request) {
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// MyApp app;
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// return mojo::RunApplication(&app);
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// }
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#ifndef MOJO_SERVICES_LOG_CPP_LOG_CLIENT_H_
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#define MOJO_SERVICES_LOG_CPP_LOG_CLIENT_H_
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#include "mojo/public/c/environment/logger.h"
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#include "mojo/services/log/interfaces/log.mojom.h"
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namespace mojo {
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namespace log {
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// Constructs a MojoLogger (which can be retrieved with |GetLogger()|) that
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// talks to the provided log service. |fallback_logger| must be non-null and
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// will be used if the provided |log_service| fails. The constructed MojoLogger
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// may also call into |fallback_logger|'s [Set|Get]MinimumLogLevel functions to
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// keep the minimum levels consistent.
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void InitializeLogger(LogPtr log_service, const MojoLogger* fallback_logger);
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// Must be called after |InitializeLogger()| and before |DestroyLogger()|. The
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// returned MojoLogger is thread-safe.
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const MojoLogger* GetLogger();
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void DestroyLogger();
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} // namespace log
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} // namespace mojo
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#endif // MOJO_SERVICES_LOG_CPP_LOG_CLIENT_H_
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