mirror of
https://github.com/transmission/transmission
synced 2024-12-27 01:57:52 +00:00
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
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* This file Copyright (C) 2007 Charles Kerr <charles@rebelbase.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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struct tr_publisher_s
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{
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tr_list * list;
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};
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tr_publisher_t*
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tr_publisherNew( void )
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{
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return tr_new0( tr_publisher_t, 1 );
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}
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void
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tr_publisherFree( tr_publisher_t ** p )
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{
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assert( p != NULL );
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assert( *p != NULL );
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tr_list_free( &(*p)->list, NULL );
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tr_free( *p );
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*p = NULL;
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}
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tr_publisher_tag
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tr_publisherSubscribe ( tr_publisher_t * 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_t * 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_t * 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 = (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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