mirror of
https://github.com/google/pebble
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57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/*
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* Copyright 2024 Google LLC
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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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#pragma once
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#include "process_management/app_install_types.h"
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#include "system/status_codes.h"
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#include <stdbool.h>
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#include <stdint.h>
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//! @file app_cache.c
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//! AppCache
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//!
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//! The AppCache keeps track of a cache of the applications that have binaries that reside on the
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//! watch. When an app's binaries are removed from the watch, the entry with the same AppInstallId
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//! is removed from the AppCache.
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//!
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//! When the app storage space has run out, a call to the app cache will retrieve the entry that
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//! needs to be removed.
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//! Initializes the AppCache
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void app_cache_init(void);
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//! Adds a blank entry with the given AppInstallId and total size to the AppCache
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status_t app_cache_add_entry(AppInstallId app_id, uint32_t total_size);
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//! Removes an entry with the given AppInstallId from the AppCache
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status_t app_cache_remove_entry(AppInstallId app_id);
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//! Checks whether an entry with the given AppInstallId is in the AppCache.
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bool app_cache_entry_exists(AppInstallId app_id);
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//! Increments data stored about an entry with the given AppInstallId in the AppCache
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status_t app_cache_app_launched(AppInstallId app_id);
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//! Ask the app cache to free up n bytes in case other parts of the system need room in the
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//! filesystem
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status_t app_cache_free_up_space(uint32_t bytes_needed);
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//! Clears the entire AppCache
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//! NOTE: Must be called from PebbleTask_KernelBackground
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void app_cache_flush(void);
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