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70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
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// Copyright 2018 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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#ifndef BASE_FUCHSIA_SERVICE_DIRECTORY_H_
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#define BASE_FUCHSIA_SERVICE_DIRECTORY_H_
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#include <lib/zx/channel.h>
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#include "base/base_export.h"
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#include "base/callback.h"
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#include "base/containers/flat_map.h"
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#include "base/macros.h"
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#include "base/strings/string_piece.h"
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#include "base/threading/thread_checker.h"
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typedef struct svc_dir svc_dir_t;
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namespace base {
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namespace fuchsia {
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// Directory of FIDL services published for other processes to consume. Services
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// published in this directory can be discovered from other processes by name.
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// Normally this class should be used by creating a ScopedServiceBinding
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// instance. This ensures that the service is unregistered when the
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// implementation is destroyed. GetDefault() should be used to get the default
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// ServiceDirectory for the current process. The default instance exports
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// services via a channel supplied at process creation time.
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//
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// Not thread-safe. All methods must be called on the thread that created the
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// object.
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class BASE_EXPORT ServiceDirectory {
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public:
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// Callback called to connect incoming requests.
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using ConnectServiceCallback =
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base::RepeatingCallback<void(zx::channel channel)>;
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// Creates services directory that will be served over the
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// |directory_channel|.
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explicit ServiceDirectory(zx::channel directory_channel);
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~ServiceDirectory();
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// Returns default ServiceDirectory instance for the current process. It
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// publishes services to the directory provided by the process creator.
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static ServiceDirectory* GetDefault();
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void AddService(StringPiece name, ConnectServiceCallback connect_callback);
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void RemoveService(StringPiece name);
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void RemoveAllServices();
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private:
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// Called by |svc_dir_| to handle service requests.
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static void HandleConnectRequest(void* context,
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const char* service_name,
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zx_handle_t service_request);
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THREAD_CHECKER(thread_checker_);
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svc_dir_t* svc_dir_ = nullptr;
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base::flat_map<std::string, ConnectServiceCallback> services_;
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DISALLOW_COPY_AND_ASSIGN(ServiceDirectory);
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};
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} // namespace fuchsia
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} // namespace base
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#endif // BASE_FUCHSIA_SERVICE_DIRECTORY_H_
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