62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* Metadata hub and access methods.
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* Basically, if you need to store metadata
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* (e.g. for use with the dbus interfaces),
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* then you need a metadata hub,
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* where everything is stored
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* This file is part of Shairport Sync.
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* Copyright (c) Mike Brady 2017
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <string.h>
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#include "dacp.h"
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#include "metadata_hub.h"
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void metadata_hub_init(void) {
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debug(1, "Metadata bundle initialisation.");
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memset(&metadata_store, 0, sizeof(metadata_store));
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}
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void add_metadata_watcher(metadata_watcher fn, void *userdata) {
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int i;
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for (i = 0; i < number_of_watchers; i++) {
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if (metadata_store.watchers[i] == NULL) {
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metadata_store.watchers[i] = fn;
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metadata_store.watchers_data[i] = userdata;
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debug(1, "Added a metadata watcher into slot %d", i);
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break;
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}
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}
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}
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void run_metadata_watchers(void) {
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int i;
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for (i = 0; i < number_of_watchers; i++) {
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if (metadata_store.watchers[i]) {
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metadata_store.watchers[i](&metadata_store, metadata_store.watchers_data[i]);
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}
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}
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}
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