mirror of
https://github.com/transmission/transmission
synced 2024-12-25 01:03:01 +00:00
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* This file Copyright (C) 2007-2009 Charles Kerr <charles@transmissionbt.com>
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*
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* This file is licensed by the GPL version 2. Works owned by the
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* Transmission project are granted a special exemption to clause 2(b)
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* so that the bulk of its code can remain under the MIT license.
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* This exemption does not extend to derived works not owned by
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* the Transmission project.
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*
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* $Id$
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*/
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#include <assert.h>
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#include "list.h"
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#include "publish.h"
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#include "utils.h"
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struct tr_publisher_node
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{
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tr_delivery_func * func;
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void * user_data;
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};
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const tr_publisher TR_PUBLISHER_INIT = { NULL };
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void
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tr_publisherDestruct( tr_publisher * p )
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{
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tr_list_free( &p->list, NULL );
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}
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tr_publisher_tag
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tr_publisherSubscribe( tr_publisher * p,
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tr_delivery_func func,
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void * user_data )
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{
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struct tr_publisher_node * node = tr_new( struct tr_publisher_node, 1 );
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node->func = func;
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node->user_data = user_data;
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tr_list_append( &p->list, node );
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return node;
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}
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void
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tr_publisherUnsubscribe( tr_publisher * p,
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tr_publisher_tag tag )
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{
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tr_list_remove_data( &p->list, tag );
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tr_free( tag );
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}
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void
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tr_publisherPublish( tr_publisher * p,
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void * source,
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void * event )
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{
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tr_list * walk;
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for( walk = p->list; walk != NULL; )
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{
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tr_list * next = walk->next;
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struct tr_publisher_node * node =
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(struct tr_publisher_node*)walk->data;
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( node->func )( source, event, node->user_data );
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walk = next;
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}
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}
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