90 static void	ng_disconnect_hook(hook_p hook);
456 	hook_p  hook;  in ng_cutlinks()  local
466 	while ((hook = LIST_FIRST(&node->hooks)) != NULL)  in ng_cutlinks()
467 		ng_destroy_hook(hook);  in ng_cutlinks()
688 ng_unref_hook(hook_p hook)  in ng_unref_hook()  argument
691 	if (--hook->refs == 0)  in ng_unref_hook()
692 		kfree(hook, M_NETGRAPH);  in ng_unref_hook()
702 	hook_p hook;  in ng_add_hook()  local
716 	hook = kmalloc(sizeof(*hook), M_NETGRAPH, M_NOWAIT | M_ZERO);  in ng_add_hook()
717 	if (hook == NULL) {  in ng_add_hook()
721 	hook->refs = 1;  in ng_add_hook()
722 	hook->flags = HK_INVALID;  in ng_add_hook()
723 	hook->node = node;  in ng_add_hook()
728 		if ((error = (*node->type->newhook)(node, hook, name)) != 0)  in ng_add_hook()
735 	LIST_INSERT_HEAD(&node->hooks, hook, hooks);  in ng_add_hook()
739 	hook->name = kmalloc(strlen(name) + 1, M_NETGRAPH, M_NOWAIT);  in ng_add_hook()
740 	if (hook->name == NULL) {  in ng_add_hook()
742 		LIST_REMOVE(hook, hooks);  in ng_add_hook()
745 		hook->node = NULL;  in ng_add_hook()
747 		ng_unref_hook(hook);	/* this frees the hook */  in ng_add_hook()
750 	strcpy(hook->name, name);  in ng_add_hook()
752 		*hookp = hook;  in ng_add_hook()
794 	hook_p hook;  in ng_findhook()  local
798 	LIST_FOREACH(hook, &node->hooks, hooks) {  in ng_findhook()
799 		if (hook->name != NULL  in ng_findhook()
800 		    && strcmp(hook->name, name) == 0  in ng_findhook()
801 		    && (hook->flags & HK_INVALID) == 0)  in ng_findhook()
802 			return (hook);  in ng_findhook()
815 ng_destroy_hook(hook_p hook)  in ng_destroy_hook()  argument
817 	hook_p peer = hook->peer;  in ng_destroy_hook()
819 	hook->flags |= HK_INVALID;		/* as soon as possible */  in ng_destroy_hook()
822 		hook->peer = NULL;  in ng_destroy_hook()
826 	ng_disconnect_hook(hook);  in ng_destroy_hook()
837 ng_disconnect_hook(hook_p hook)  in ng_disconnect_hook()  argument
839 	node_p node = hook->node;  in ng_disconnect_hook()
845 	LIST_REMOVE(hook, hooks);  in ng_disconnect_hook()
852 		(*node->type->disconnect) (hook);  in ng_disconnect_hook()
855 	if (hook->name)  in ng_disconnect_hook()
856 		kfree(hook->name, M_NETGRAPH);  in ng_disconnect_hook()
857 	hook->node = NULL;	/* may still be referenced elsewhere */  in ng_disconnect_hook()
858 	ng_unref_hook(hook);  in ng_disconnect_hook()
935 	hook_p  hook;  in ng_mkpeer()  local
939 	if ((error = ng_add_hook(node, name, &hook)))  in ng_mkpeer()
953 		ng_destroy_hook(hook);  in ng_mkpeer()
958 		ng_destroy_hook(hook);  in ng_mkpeer()
966 	if ((error = ng_connect(hook, hook2)))  in ng_mkpeer()
978 	hook_p  hook;  in ng_con_nodes()  local
981 	if ((error = ng_add_hook(node, name, &hook)))  in ng_con_nodes()
984 		ng_destroy_hook(hook);  in ng_con_nodes()
987 	return (ng_connect(hook, hook2));  in ng_con_nodes()
1009 	char   *node, *path, *hook;  in ng_path_parse()  local
1053 		for (hook = path, k = 0; path[k]; k++)  in ng_path_parse()
1055 				hook = NULL;  in ng_path_parse()
1059 		path = hook = NULL;  in ng_path_parse()
1067 		*hookp = hook;  in ng_path_parse()
1118 		hook_p hook;  in ng_path2node()  local
1138 		hook = ng_findhook(node, segment);  in ng_path2node()
1141 		if (hook == NULL  in ng_path2node()
1142 		    || hook->peer == NULL  in ng_path2node()
1143 		    || (hook->flags & HK_INVALID) != 0) {  in ng_path2node()
1149 		node = hook->peer->node;  in ng_path2node()
1307 		hook_p hook;  in ng_generic_msg()  local
1314 		if ((hook = ng_findhook(here, rmh->ourhook)) != NULL)  in ng_generic_msg()
1315 			ng_destroy_hook(hook);  in ng_generic_msg()
1350 		hook_p hook;  in ng_generic_msg()  local
1374 		LIST_FOREACH(hook, &here->hooks, hooks) {  in ng_generic_msg()
1382 			if ((hook->flags & HK_INVALID) != 0)  in ng_generic_msg()
1384 			strlcpy(link->ourhook, hook->name, NG_HOOKSIZ);  in ng_generic_msg()
1385 			strlcpy(link->peerhook, hook->peer->name, NG_HOOKSIZ);  in ng_generic_msg()
1386 			if (hook->peer->node->name != NULL)  in ng_generic_msg()
1388 				    hook->peer->node->name, NG_NODESIZ);  in ng_generic_msg()
1390 			   hook->peer->node->type->name, NG_TYPESIZ);  in ng_generic_msg()
1391 			link->nodeinfo.id = ng_node2ID(hook->peer->node);  in ng_generic_msg()
1392 			link->nodeinfo.hooks = hook->peer->node->numhooks;  in ng_generic_msg()
1678 ng_send_data(hook_p hook, struct mbuf *m, meta_p meta)  in ng_send_data()  argument
1684 	if (hook && (hook->flags & HK_INVALID) == 0) {  in ng_send_data()
1685 		rcvdata = hook->peer->node->type->rcvdata;  in ng_send_data()
1687 			error = (*rcvdata)(hook->peer, m, meta);  in ng_send_data()
1705 ng_send_dataq(hook_p hook, struct mbuf *m, meta_p meta)  in ng_send_dataq()  argument
1711 	if (hook && (hook->flags & HK_INVALID) == 0) {  in ng_send_dataq()
1712 		rcvdataq = hook->peer->node->type->rcvdataq;  in ng_send_dataq()
1714 			error = (*rcvdataq)(hook->peer, m, meta);  in ng_send_dataq()
1716 			error = ng_send_data(hook, m, meta);  in ng_send_dataq()
1926 ng_queue_data(hook_p hook, struct mbuf *m, meta_p meta)  in ng_queue_data()  argument
1930 	if (hook == NULL) {  in ng_queue_data()
1942 	q->body.data.da_hook = hook;  in ng_queue_data()
1946 	hook->refs++;		/* don't let it go away while on the queue */  in ng_queue_data()
2018 	hook_p  hook;  in ngintr()  local
2047 			hook = ngq->body.data.da_hook;  in ngintr()
2051 			NG_SEND_DATAQ(error, hook, m, meta);  in ngintr()
2052 			ng_unref_hook(hook);  in ngintr()