| 1 | /*
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| 2 | * Copyright (c) 2010 Lenka Trochtova
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup devman
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | #include <loc.h>
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| 34 | #include <stdio.h>
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| 35 |
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| 36 | #include "devman.h"
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| 37 | #include "fun.h"
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| 38 | #include "loc.h"
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| 39 |
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| 40 | /** Create loc path and name for the function. */
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| 41 | void loc_register_tree_function(fun_node_t *fun, dev_tree_t *tree)
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| 42 | {
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| 43 | char *loc_pathname = NULL;
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| 44 | char *loc_name = NULL;
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| 45 |
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| 46 | assert(fibril_rwlock_is_locked(&tree->rwlock));
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| 47 |
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| 48 | asprintf(&loc_name, "%s", fun->pathname);
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| 49 | if (loc_name == NULL)
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| 50 | return;
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| 51 |
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| 52 | replace_char(loc_name, '/', LOC_SEPARATOR);
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| 53 |
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| 54 | asprintf(&loc_pathname, "%s/%s", LOC_DEVICE_NAMESPACE,
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| 55 | loc_name);
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| 56 | if (loc_pathname == NULL) {
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| 57 | free(loc_name);
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| 58 | return;
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| 59 | }
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| 60 |
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| 61 | loc_service_register(loc_pathname, &fun->service_id);
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| 62 |
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| 63 | tree_add_loc_function(tree, fun);
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| 64 |
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| 65 | free(loc_name);
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| 66 | free(loc_pathname);
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| 67 | }
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| 68 |
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| 69 | fun_node_t *find_loc_tree_function(dev_tree_t *tree, service_id_t service_id)
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| 70 | {
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| 71 | fun_node_t *fun = NULL;
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| 72 |
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| 73 | fibril_rwlock_read_lock(&tree->rwlock);
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| 74 | ht_link_t *link = hash_table_find(&tree->loc_functions, &service_id);
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| 75 | if (link != NULL) {
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| 76 | fun = hash_table_get_inst(link, fun_node_t, loc_fun);
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| 77 | fun_add_ref(fun);
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| 78 | }
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| 79 | fibril_rwlock_read_unlock(&tree->rwlock);
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| 80 |
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| 81 | return fun;
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| 82 | }
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| 83 |
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| 84 | void tree_add_loc_function(dev_tree_t *tree, fun_node_t *fun)
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| 85 | {
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| 86 | assert(fibril_rwlock_is_write_locked(&tree->rwlock));
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| 87 |
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| 88 | hash_table_insert(&tree->loc_functions, &fun->loc_fun);
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| 89 | }
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| 90 |
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| 91 | /** @}
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| 92 | */
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