2010-03-28 16:56:39 +04:00
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/*
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* Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2010-04-08 15:21:50 +04:00
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2010-03-28 16:56:39 +04:00
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2016-11-20 18:25:33 +03:00
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/**
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* \file
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* High-level resource cache implementation.
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2010-03-28 16:56:39 +04:00
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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2010-04-04 21:17:24 +04:00
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#include "utils/http.h"
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2010-03-28 16:56:39 +04:00
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#include "utils/log.h"
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2010-04-04 21:17:24 +04:00
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#include "utils/messages.h"
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2010-04-08 15:21:50 +04:00
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#include "utils/ring.h"
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2010-08-10 23:58:39 +04:00
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#include "utils/utils.h"
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2016-05-30 13:23:32 +03:00
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#include "netsurf/misc.h"
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2016-06-06 10:59:23 +03:00
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#include "netsurf/content.h"
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2014-10-16 12:48:09 +04:00
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#include "desktop/gui_internal.h"
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2010-03-28 16:56:39 +04:00
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2014-05-09 13:15:42 +04:00
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#include "content/mimesniff.h"
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#include "content/hlcache.h"
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2019-06-15 23:10:15 +03:00
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// Note, this is *ONLY* so that we can abort cleanly during shutdown of the cache
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#include "content/content_protected.h"
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2020-05-07 22:55:44 +03:00
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#include "content/content_factory.h"
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2014-05-09 13:15:42 +04:00
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2010-03-28 16:56:39 +04:00
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typedef struct hlcache_entry hlcache_entry;
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typedef struct hlcache_retrieval_ctx hlcache_retrieval_ctx;
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/** High-level cache retrieval context */
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struct hlcache_retrieval_ctx {
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2010-04-08 15:21:50 +04:00
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struct hlcache_retrieval_ctx *r_prev; /**< Previous retrieval context in the ring */
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struct hlcache_retrieval_ctx *r_next; /**< Next retrieval context in the ring */
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2011-09-10 04:55:39 +04:00
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2010-03-28 16:56:39 +04:00
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llcache_handle *llcache; /**< Low-level cache handle */
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hlcache_handle *handle; /**< High-level handle for object */
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2010-03-30 01:17:18 +04:00
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2010-04-06 01:35:38 +04:00
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uint32_t flags; /**< Retrieval flags */
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2011-05-07 00:40:09 +04:00
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content_type accepted_types; /**< Accepted types */
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2010-04-04 21:17:24 +04:00
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2011-09-04 10:28:09 +04:00
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hlcache_child_context child; /**< Child context */
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2011-12-09 01:58:26 +04:00
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bool migrate_target; /**< Whether this context is the migration target */
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2010-03-28 16:56:39 +04:00
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};
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/** High-level cache handle */
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struct hlcache_handle {
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hlcache_entry *entry; /**< Pointer to cache entry */
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hlcache_handle_callback cb; /**< Client callback */
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void *pw; /**< Client data */
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};
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/** Entry in high-level cache */
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struct hlcache_entry {
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struct content *content; /**< Pointer to associated content */
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hlcache_entry *next; /**< Next sibling */
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hlcache_entry *prev; /**< Previous sibling */
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};
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2011-09-10 04:55:39 +04:00
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/** Current state of the cache.
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2011-09-08 16:04:57 +04:00
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*
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* Global state of the cache.
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*/
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struct hlcache_s {
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struct hlcache_parameters params;
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/** List of cached content objects */
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hlcache_entry *content_list;
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/** Ring of retrieval contexts */
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hlcache_retrieval_ctx *retrieval_ctx_ring;
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2016-11-20 18:25:33 +03:00
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/* statistics */
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2011-09-10 04:55:39 +04:00
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unsigned int hit_count;
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unsigned int miss_count;
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2011-09-08 16:04:57 +04:00
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};
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/** high level cache state */
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static struct hlcache_s *hlcache = NULL;
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2010-03-28 16:56:39 +04:00
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2010-04-08 15:21:50 +04:00
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2010-03-28 16:56:39 +04:00
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/******************************************************************************
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2014-01-19 14:51:14 +04:00
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* High-level cache internals *
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2010-03-28 16:56:39 +04:00
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******************************************************************************/
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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/**
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* Attempt to clean the cache
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*/
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2019-06-15 23:10:15 +03:00
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static void hlcache_clean(void *force_clean_flag)
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2010-04-27 10:48:09 +04:00
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{
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2014-01-19 14:51:14 +04:00
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hlcache_entry *entry, *next;
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2019-06-15 23:10:15 +03:00
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bool force_clean = (force_clean_flag != NULL);
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2010-04-27 10:48:09 +04:00
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2014-01-19 14:51:14 +04:00
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for (entry = hlcache->content_list; entry != NULL; entry = next) {
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next = entry->next;
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2010-04-27 10:48:09 +04:00
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2014-01-19 14:51:14 +04:00
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if (entry->content == NULL)
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continue;
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2010-10-29 01:00:07 +04:00
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2014-01-19 14:51:14 +04:00
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if (content_count_users(entry->content) != 0)
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continue;
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2010-04-27 10:48:09 +04:00
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2019-06-15 23:10:15 +03:00
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if (content__get_status(entry->content) == CONTENT_STATUS_LOADING) {
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if (force_clean == false)
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continue;
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NSLOG(netsurf, DEBUG, "Forcing content cleanup during shutdown");
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content_abort(entry->content);
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content_set_error(entry->content);
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}
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2014-01-19 14:51:14 +04:00
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/** \todo This is over-zealous: all unused contents
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* will be immediately destroyed. Ideally, we want to
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* purge all unused contents that are using stale
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* source data, and enough fresh contents such that
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* the cache fits in the configured cache size limit.
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*/
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2010-04-27 10:48:09 +04:00
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2014-01-19 14:51:14 +04:00
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/* Remove entry from cache */
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if (entry->prev == NULL)
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hlcache->content_list = entry->next;
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else
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entry->prev->next = entry->next;
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2010-04-27 10:48:09 +04:00
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2014-01-19 14:51:14 +04:00
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if (entry->next != NULL)
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entry->next->prev = entry->prev;
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2010-04-27 10:48:09 +04:00
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2014-01-19 14:51:14 +04:00
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/* Destroy content */
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content_destroy(entry->content);
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2010-04-27 10:48:09 +04:00
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2014-01-19 14:51:14 +04:00
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/* Destroy entry */
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free(entry);
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2010-04-27 10:48:09 +04:00
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}
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2011-09-08 16:04:57 +04:00
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2014-01-19 14:51:14 +04:00
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/* Attempt to clean the llcache */
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2014-05-29 17:00:13 +04:00
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llcache_clean(false);
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2010-04-12 00:21:13 +04:00
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2014-01-19 14:51:14 +04:00
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/* Re-schedule ourselves */
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2016-04-16 00:50:28 +03:00
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guit->misc->schedule(hlcache->params.bg_clean_time, hlcache_clean, NULL);
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2010-04-12 00:21:13 +04:00
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}
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2014-01-19 14:51:14 +04:00
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/**
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* Determine if the specified MIME type is acceptable
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*
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* \param mime_type MIME type to consider
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* \param accepted_types Array of acceptable types, or NULL for any
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* \param computed_type Pointer to location to receive computed type of object
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* \return True if the type is acceptable, false otherwise
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*/
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static bool hlcache_type_is_acceptable(lwc_string *mime_type,
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content_type accepted_types, content_type *computed_type)
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2010-03-28 16:56:39 +04:00
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{
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2014-01-19 14:51:14 +04:00
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content_type type;
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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type = content_factory_type_from_mime_type(mime_type);
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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*computed_type = type;
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2010-03-28 16:56:39 +04:00
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2014-01-19 14:51:14 +04:00
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return ((accepted_types & type) != 0);
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2010-03-28 16:56:39 +04:00
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}
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2014-01-19 14:51:14 +04:00
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/**
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* Veneer between content callback API and hlcache callback API
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*
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* \param c Content to emit message for
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* \param msg Message to emit
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* \param data Data for message
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* \param pw Pointer to private data (hlcache_handle)
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*/
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static void hlcache_content_callback(struct content *c, content_msg msg,
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2017-08-26 18:38:18 +03:00
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const union content_msg_data *data, void *pw)
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2010-03-28 16:56:39 +04:00
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{
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2014-01-19 14:51:14 +04:00
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hlcache_handle *handle = pw;
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nserror error = NSERROR_OK;
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2017-08-28 13:52:54 +03:00
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hlcache_event event = {
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.type = msg,
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};
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2010-03-28 16:56:39 +04:00
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2017-08-26 18:38:18 +03:00
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if (data != NULL) {
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event.data = *data;
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}
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2010-03-28 16:56:39 +04:00
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2014-01-19 14:51:14 +04:00
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if (handle->cb != NULL)
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error = handle->cb(handle, &event, handle->pw);
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2010-03-28 16:56:39 +04:00
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2014-01-19 14:51:14 +04:00
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if (error != NSERROR_OK)
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Use coccinelle to change logging macro calls in c files
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done
@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 20:28:12 +03:00
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NSLOG(netsurf, INFO, "Error in callback: %d", error);
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2010-03-28 16:56:39 +04:00
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}
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2014-01-19 14:51:14 +04:00
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/**
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* Find a content for the high-level cache handle
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*
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* \param ctx High-level cache retrieval context
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* \param effective_type Effective MIME type of content
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* \return NSERROR_OK on success,
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* NSERROR_NEED_DATA on success where data is needed,
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* appropriate error otherwise
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*
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* \pre handle::state == HLCACHE_HANDLE_NEW
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* \pre Headers must have been received for associated low-level handle
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* \post Low-level handle is either released, or associated with new content
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* \post High-level handle is registered with content
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*/
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static nserror hlcache_find_content(hlcache_retrieval_ctx *ctx,
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lwc_string *effective_type)
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2010-04-04 16:41:19 +04:00
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{
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2014-01-19 14:51:14 +04:00
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hlcache_entry *entry;
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hlcache_event event;
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nserror error = NSERROR_OK;
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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/* Search list of cached contents for a suitable one */
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for (entry = hlcache->content_list; entry != NULL; entry = entry->next) {
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hlcache_handle entry_handle = { entry, NULL, NULL };
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const llcache_handle *entry_llcache;
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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if (entry->content == NULL)
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continue;
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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/* Ignore contents in the error state */
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if (content_get_status(&entry_handle) == CONTENT_STATUS_ERROR)
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continue;
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2010-04-04 16:41:19 +04:00
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2014-01-19 14:51:14 +04:00
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/* Ensure that content is shareable */
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if (content_is_shareable(entry->content) == false)
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continue;
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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/* Ensure that quirks mode is acceptable */
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if (content_matches_quirks(entry->content,
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ctx->child.quirks) == false)
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continue;
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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/* Ensure that content uses same low-level object as
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* low-level handle */
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entry_llcache = content_get_llcache_handle(entry->content);
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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if (llcache_handle_references_same_object(entry_llcache,
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ctx->llcache))
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break;
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}
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2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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if (entry == NULL) {
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/* No existing entry, so need to create one */
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entry = malloc(sizeof(hlcache_entry));
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if (entry == NULL)
|
2010-04-04 16:41:19 +04:00
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return NSERROR_NOMEM;
|
2011-09-10 04:55:39 +04:00
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2014-01-19 14:51:14 +04:00
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/* Create content using llhandle */
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entry->content = content_factory_create_content(ctx->llcache,
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ctx->child.charset, ctx->child.quirks,
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effective_type);
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|
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|
if (entry->content == NULL) {
|
2010-04-04 16:41:19 +04:00
|
|
|
free(entry);
|
|
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|
return NSERROR_NOMEM;
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|
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|
}
|
2011-09-10 04:55:39 +04:00
|
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|
2014-01-19 14:51:14 +04:00
|
|
|
/* Insert into cache */
|
2010-04-04 16:41:19 +04:00
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|
entry->prev = NULL;
|
2011-09-08 16:04:57 +04:00
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|
entry->next = hlcache->content_list;
|
|
|
|
if (hlcache->content_list != NULL)
|
|
|
|
hlcache->content_list->prev = entry;
|
|
|
|
hlcache->content_list = entry;
|
2011-09-10 04:55:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Signal to caller that we created a content */
|
|
|
|
error = NSERROR_NEED_DATA;
|
2011-09-10 04:55:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
hlcache->miss_count++;
|
|
|
|
} else {
|
|
|
|
/* Found a suitable content: no longer need low-level handle */
|
|
|
|
llcache_handle_release(ctx->llcache);
|
|
|
|
hlcache->hit_count++;
|
|
|
|
}
|
2010-04-04 16:41:19 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Associate handle with content */
|
|
|
|
if (content_add_user(entry->content,
|
|
|
|
hlcache_content_callback, ctx->handle) == false)
|
|
|
|
return NSERROR_NOMEM;
|
2010-04-12 03:02:49 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Associate cache entry with handle */
|
|
|
|
ctx->handle->entry = entry;
|
2010-04-12 03:02:49 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Catch handle up with state of content */
|
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
content_status status = content_get_status(ctx->handle);
|
2011-03-16 01:02:06 +03:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (status == CONTENT_STATUS_LOADING) {
|
|
|
|
event.type = CONTENT_MSG_LOADING;
|
|
|
|
ctx->handle->cb(ctx->handle, &event, ctx->handle->pw);
|
|
|
|
} else if (status == CONTENT_STATUS_READY) {
|
|
|
|
event.type = CONTENT_MSG_LOADING;
|
|
|
|
ctx->handle->cb(ctx->handle, &event, ctx->handle->pw);
|
2011-12-04 18:55:23 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
event.type = CONTENT_MSG_READY;
|
|
|
|
ctx->handle->cb(ctx->handle, &event,
|
|
|
|
ctx->handle->pw);
|
|
|
|
}
|
|
|
|
} else if (status == CONTENT_STATUS_DONE) {
|
|
|
|
event.type = CONTENT_MSG_LOADING;
|
|
|
|
ctx->handle->cb(ctx->handle, &event, ctx->handle->pw);
|
2011-12-04 18:55:23 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
event.type = CONTENT_MSG_READY;
|
|
|
|
ctx->handle->cb(ctx->handle, &event,
|
|
|
|
ctx->handle->pw);
|
|
|
|
}
|
2011-12-04 18:55:23 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
event.type = CONTENT_MSG_DONE;
|
|
|
|
ctx->handle->cb(ctx->handle, &event,
|
|
|
|
ctx->handle->pw);
|
2011-12-04 18:55:23 +04:00
|
|
|
}
|
2014-01-19 14:51:14 +04:00
|
|
|
}
|
2011-12-04 18:55:23 +04:00
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
return error;
|
2011-12-04 18:55:23 +04:00
|
|
|
}
|
|
|
|
|
2010-04-12 00:21:13 +04:00
|
|
|
/**
|
2014-01-19 14:51:14 +04:00
|
|
|
* Migrate a retrieval context into its final destination content
|
|
|
|
*
|
|
|
|
* \param ctx Context to migrate
|
|
|
|
* \param effective_type The effective MIME type of the content, or NULL
|
|
|
|
* \return NSERROR_OK on success,
|
|
|
|
* NSERROR_NEED_DATA on success where data is needed,
|
|
|
|
* appropriate error otherwise
|
2010-04-12 00:21:13 +04:00
|
|
|
*/
|
2014-01-19 14:51:14 +04:00
|
|
|
static nserror hlcache_migrate_ctx(hlcache_retrieval_ctx *ctx,
|
|
|
|
lwc_string *effective_type)
|
2010-04-12 00:21:13 +04:00
|
|
|
{
|
2014-01-19 14:51:14 +04:00
|
|
|
content_type type = CONTENT_NONE;
|
|
|
|
nserror error = NSERROR_OK;
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
ctx->migrate_target = true;
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-03-22 18:54:51 +04:00
|
|
|
if ((effective_type != NULL) &&
|
|
|
|
hlcache_type_is_acceptable(effective_type,
|
|
|
|
ctx->accepted_types,
|
|
|
|
&type)) {
|
2014-01-19 14:51:14 +04:00
|
|
|
error = hlcache_find_content(ctx, effective_type);
|
|
|
|
if (error != NSERROR_OK && error != NSERROR_NEED_DATA) {
|
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
hlcache_event hlevent;
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
hlevent.type = CONTENT_MSG_ERROR;
|
2019-08-05 16:29:53 +03:00
|
|
|
hlevent.data.errordata.errorcode = NSERROR_UNKNOWN;
|
|
|
|
hlevent.data.errordata.errormsg = messages_get("MiscError");
|
2011-03-04 00:13:58 +03:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
ctx->handle->cb(ctx->handle, &hlevent,
|
|
|
|
ctx->handle->pw);
|
|
|
|
}
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
llcache_handle_abort(ctx->llcache);
|
|
|
|
llcache_handle_release(ctx->llcache);
|
|
|
|
}
|
|
|
|
} else if (type == CONTENT_NONE &&
|
|
|
|
(ctx->flags & HLCACHE_RETRIEVE_MAY_DOWNLOAD)) {
|
|
|
|
/* Unknown type, and we can download, so convert */
|
|
|
|
llcache_handle_force_stream(ctx->llcache);
|
|
|
|
|
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
hlcache_event hlevent;
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
hlevent.type = CONTENT_MSG_DOWNLOAD;
|
|
|
|
hlevent.data.download = ctx->llcache;
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
ctx->handle->cb(ctx->handle, &hlevent,
|
|
|
|
ctx->handle->pw);
|
|
|
|
}
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Ensure caller knows we need data */
|
|
|
|
error = NSERROR_NEED_DATA;
|
|
|
|
} else {
|
|
|
|
/* Unacceptable type: report error */
|
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
hlcache_event hlevent;
|
2010-04-12 00:21:13 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
hlevent.type = CONTENT_MSG_ERROR;
|
2019-08-05 16:29:53 +03:00
|
|
|
hlevent.data.errordata.errorcode = NSERROR_UNKNOWN;
|
|
|
|
hlevent.data.errordata.errormsg = messages_get("UnacceptableType");
|
2014-01-19 14:51:14 +04:00
|
|
|
|
|
|
|
ctx->handle->cb(ctx->handle, &hlevent,
|
|
|
|
ctx->handle->pw);
|
|
|
|
}
|
|
|
|
|
|
|
|
llcache_handle_abort(ctx->llcache);
|
|
|
|
llcache_handle_release(ctx->llcache);
|
2010-04-12 00:21:13 +04:00
|
|
|
}
|
2011-09-10 04:55:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
ctx->migrate_target = false;
|
2011-09-10 04:55:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* No longer require retrieval context */
|
|
|
|
RING_REMOVE(hlcache->retrieval_ctx_ring, ctx);
|
|
|
|
free((char *) ctx->child.charset);
|
|
|
|
free(ctx);
|
|
|
|
|
|
|
|
return error;
|
2010-04-12 00:21:13 +04:00
|
|
|
}
|
|
|
|
|
2010-03-28 16:56:39 +04:00
|
|
|
/**
|
|
|
|
* Handler for low-level cache events
|
|
|
|
*
|
|
|
|
* \param handle Handle for which event is issued
|
2010-04-08 15:21:50 +04:00
|
|
|
* \param event Event data
|
|
|
|
* \param pw Pointer to client-specific data
|
2010-03-28 16:56:39 +04:00
|
|
|
* \return NSERROR_OK on success, appropriate error otherwise
|
|
|
|
*/
|
2020-02-23 19:06:52 +03:00
|
|
|
static nserror
|
|
|
|
hlcache_llcache_callback(llcache_handle *handle,
|
|
|
|
const llcache_event *event,
|
|
|
|
void *pw)
|
2010-03-28 16:56:39 +04:00
|
|
|
{
|
|
|
|
hlcache_retrieval_ctx *ctx = pw;
|
2011-09-04 10:28:09 +04:00
|
|
|
lwc_string *effective_type = NULL;
|
2010-03-28 16:56:39 +04:00
|
|
|
nserror error;
|
|
|
|
|
|
|
|
assert(ctx->llcache == handle);
|
|
|
|
|
|
|
|
switch (event->type) {
|
2019-08-05 20:11:13 +03:00
|
|
|
case LLCACHE_EVENT_GOT_CERTS:
|
|
|
|
/* Pass them on upward */
|
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
hlcache_event hlevent;
|
|
|
|
|
|
|
|
hlevent.type = CONTENT_MSG_SSL_CERTS;
|
2020-02-23 19:06:52 +03:00
|
|
|
hlevent.data.chain = event->data.chain;
|
2019-08-05 20:11:13 +03:00
|
|
|
|
|
|
|
ctx->handle->cb(ctx->handle, &hlevent, ctx->handle->pw);
|
|
|
|
}
|
|
|
|
break;
|
2010-03-28 16:56:39 +04:00
|
|
|
case LLCACHE_EVENT_HAD_HEADERS:
|
2017-03-20 01:29:23 +03:00
|
|
|
error = mimesniff_compute_effective_type(llcache_handle_get_header(handle, "Content-Type"), NULL, 0,
|
2011-09-10 04:55:39 +04:00
|
|
|
ctx->flags & HLCACHE_RETRIEVE_SNIFF_TYPE,
|
2012-02-08 04:52:16 +04:00
|
|
|
ctx->accepted_types == CONTENT_IMAGE,
|
2011-09-04 10:28:09 +04:00
|
|
|
&effective_type);
|
|
|
|
if (error == NSERROR_OK || error == NSERROR_NOT_FOUND) {
|
2011-09-10 04:55:39 +04:00
|
|
|
/* If the sniffer was successful or failed to find
|
|
|
|
* a Content-Type header when sniffing was
|
2011-09-04 10:28:09 +04:00
|
|
|
* prohibited, we must migrate the retrieval context. */
|
|
|
|
error = hlcache_migrate_ctx(ctx, effective_type);
|
|
|
|
|
|
|
|
if (effective_type != NULL)
|
|
|
|
lwc_string_unref(effective_type);
|
|
|
|
}
|
2010-04-06 01:35:38 +04:00
|
|
|
|
2011-09-10 04:55:39 +04:00
|
|
|
/* No need to report that we need data:
|
2011-09-04 10:28:09 +04:00
|
|
|
* we'll get some anyway if there is any */
|
|
|
|
if (error == NSERROR_NEED_DATA)
|
|
|
|
error = NSERROR_OK;
|
2010-04-06 01:35:38 +04:00
|
|
|
|
2011-09-04 10:28:09 +04:00
|
|
|
return error;
|
2010-04-06 01:35:38 +04:00
|
|
|
|
2011-09-04 10:28:09 +04:00
|
|
|
break;
|
|
|
|
case LLCACHE_EVENT_HAD_DATA:
|
2017-03-20 01:29:23 +03:00
|
|
|
error = mimesniff_compute_effective_type(llcache_handle_get_header(handle, "Content-Type"),
|
2011-09-04 10:28:09 +04:00
|
|
|
event->data.data.buf, event->data.data.len,
|
|
|
|
ctx->flags & HLCACHE_RETRIEVE_SNIFF_TYPE,
|
2012-02-08 04:52:16 +04:00
|
|
|
ctx->accepted_types == CONTENT_IMAGE,
|
2011-09-04 10:28:09 +04:00
|
|
|
&effective_type);
|
|
|
|
if (error != NSERROR_OK) {
|
|
|
|
assert(0 && "MIME sniff failed with data");
|
|
|
|
}
|
2010-04-04 21:17:24 +04:00
|
|
|
|
2011-09-04 10:28:09 +04:00
|
|
|
error = hlcache_migrate_ctx(ctx, effective_type);
|
2010-04-04 21:17:24 +04:00
|
|
|
|
2011-09-04 10:28:09 +04:00
|
|
|
lwc_string_unref(effective_type);
|
2010-04-04 21:17:24 +04:00
|
|
|
|
2011-09-04 10:28:09 +04:00
|
|
|
return error;
|
2010-04-04 21:17:24 +04:00
|
|
|
|
2010-03-28 16:56:39 +04:00
|
|
|
break;
|
|
|
|
case LLCACHE_EVENT_DONE:
|
2011-09-04 10:28:09 +04:00
|
|
|
/* DONE event before we could determine the effective MIME type.
|
|
|
|
*/
|
2017-03-20 01:29:23 +03:00
|
|
|
error = mimesniff_compute_effective_type(llcache_handle_get_header(handle, "Content-Type"),
|
2012-02-08 04:52:16 +04:00
|
|
|
NULL, 0, false, false, &effective_type);
|
2016-01-07 02:53:02 +03:00
|
|
|
if (error == NSERROR_OK || error == NSERROR_NOT_FOUND) {
|
2011-09-08 12:26:16 +04:00
|
|
|
error = hlcache_migrate_ctx(ctx, effective_type);
|
|
|
|
|
2016-01-07 02:53:02 +03:00
|
|
|
if (effective_type != NULL) {
|
|
|
|
lwc_string_unref(effective_type);
|
|
|
|
}
|
2011-09-08 12:26:16 +04:00
|
|
|
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
hlcache_event hlevent;
|
|
|
|
|
2019-08-05 16:29:53 +03:00
|
|
|
hlevent.type = CONTENT_MSG_ERROR;
|
|
|
|
hlevent.data.errordata.errorcode = error;
|
|
|
|
hlevent.data.errordata.errormsg = NULL;
|
2011-09-08 12:26:16 +04:00
|
|
|
|
|
|
|
ctx->handle->cb(ctx->handle, &hlevent, ctx->handle->pw);
|
|
|
|
}
|
|
|
|
break;
|
2010-03-28 16:56:39 +04:00
|
|
|
case LLCACHE_EVENT_ERROR:
|
2010-03-31 01:36:39 +04:00
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
hlcache_event hlevent;
|
|
|
|
|
|
|
|
hlevent.type = CONTENT_MSG_ERROR;
|
2019-08-05 22:56:07 +03:00
|
|
|
hlevent.data.errordata.errorcode = event->data.error.code;
|
|
|
|
hlevent.data.errordata.errormsg = event->data.error.msg;
|
2010-03-31 01:36:39 +04:00
|
|
|
|
|
|
|
ctx->handle->cb(ctx->handle, &hlevent, ctx->handle->pw);
|
2011-09-10 04:55:39 +04:00
|
|
|
}
|
2010-03-28 16:56:39 +04:00
|
|
|
break;
|
|
|
|
case LLCACHE_EVENT_PROGRESS:
|
|
|
|
break;
|
2013-05-27 17:51:00 +04:00
|
|
|
case LLCACHE_EVENT_REDIRECT:
|
|
|
|
if (ctx->handle->cb != NULL) {
|
|
|
|
hlcache_event hlevent;
|
|
|
|
|
|
|
|
hlevent.type = CONTENT_MSG_REDIRECT;
|
|
|
|
hlevent.data.redirect.from = event->data.redirect.from;
|
|
|
|
hlevent.data.redirect.to = event->data.redirect.to;
|
|
|
|
|
|
|
|
ctx->handle->cb(ctx->handle, &hlevent, ctx->handle->pw);
|
|
|
|
}
|
|
|
|
break;
|
2010-03-28 16:56:39 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
return NSERROR_OK;
|
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* Public API *
|
|
|
|
******************************************************************************/
|
|
|
|
|
|
|
|
|
|
|
|
nserror
|
|
|
|
hlcache_initialise(const struct hlcache_parameters *hlcache_parameters)
|
2011-09-04 10:28:09 +04:00
|
|
|
{
|
2014-01-19 14:51:14 +04:00
|
|
|
nserror ret;
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
hlcache = calloc(1, sizeof(struct hlcache_s));
|
|
|
|
if (hlcache == NULL) {
|
|
|
|
return NSERROR_NOMEM;
|
|
|
|
}
|
2011-12-09 01:58:26 +04:00
|
|
|
|
2014-03-22 18:54:51 +04:00
|
|
|
ret = llcache_initialise(&hlcache_parameters->llcache);
|
2014-01-19 14:51:14 +04:00
|
|
|
if (ret != NSERROR_OK) {
|
|
|
|
free(hlcache);
|
|
|
|
hlcache = NULL;
|
|
|
|
return ret;
|
|
|
|
}
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
hlcache->params = *hlcache_parameters;
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Schedule the cache cleanup */
|
2016-04-16 00:50:28 +03:00
|
|
|
guit->misc->schedule(hlcache->params.bg_clean_time, hlcache_clean, NULL);
|
2011-09-10 04:55:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
return NSERROR_OK;
|
|
|
|
}
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* See hlcache.h for documentation */
|
|
|
|
void hlcache_stop(void)
|
|
|
|
{
|
|
|
|
/* Remove the hlcache_clean schedule */
|
2016-04-16 00:50:28 +03:00
|
|
|
guit->misc->schedule(-1, hlcache_clean, NULL);
|
2014-01-19 14:51:14 +04:00
|
|
|
}
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* See hlcache.h for documentation */
|
|
|
|
void hlcache_finalise(void)
|
|
|
|
{
|
|
|
|
uint32_t num_contents, prev_contents;
|
|
|
|
hlcache_entry *entry;
|
|
|
|
hlcache_retrieval_ctx *ctx, *next;
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Obtain initial count of contents remaining */
|
|
|
|
for (num_contents = 0, entry = hlcache->content_list;
|
|
|
|
entry != NULL; entry = entry->next) {
|
|
|
|
num_contents++;
|
|
|
|
}
|
|
|
|
|
Use coccinelle to change logging macro calls in c files
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done
@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 20:28:12 +03:00
|
|
|
NSLOG(netsurf, INFO, "%d contents remain before cache drain",
|
|
|
|
num_contents);
|
2014-01-19 14:51:14 +04:00
|
|
|
|
|
|
|
/* Drain cache */
|
|
|
|
do {
|
|
|
|
prev_contents = num_contents;
|
|
|
|
|
|
|
|
hlcache_clean(NULL);
|
|
|
|
|
|
|
|
for (num_contents = 0, entry = hlcache->content_list;
|
|
|
|
entry != NULL; entry = entry->next) {
|
|
|
|
num_contents++;
|
2011-09-04 10:28:09 +04:00
|
|
|
}
|
2014-01-19 14:51:14 +04:00
|
|
|
} while (num_contents > 0 && num_contents != prev_contents);
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2019-06-15 23:10:15 +03:00
|
|
|
NSLOG(netsurf, INFO, "%d contents remaining after being polite", num_contents);
|
|
|
|
|
|
|
|
/* Drain cache again, forcing the matter */
|
|
|
|
do {
|
|
|
|
prev_contents = num_contents;
|
|
|
|
|
|
|
|
hlcache_clean(&entry); // Any non-NULL pointer will do
|
|
|
|
|
|
|
|
for (num_contents = 0, entry = hlcache->content_list;
|
|
|
|
entry != NULL; entry = entry->next) {
|
|
|
|
num_contents++;
|
|
|
|
}
|
|
|
|
} while (num_contents > 0 && num_contents != prev_contents);
|
|
|
|
|
Use coccinelle to change logging macro calls in c files
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done
@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 20:28:12 +03:00
|
|
|
NSLOG(netsurf, INFO, "%d contents remaining:", num_contents);
|
2014-01-19 14:51:14 +04:00
|
|
|
for (entry = hlcache->content_list; entry != NULL; entry = entry->next) {
|
|
|
|
hlcache_handle entry_handle = { entry, NULL, NULL };
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (entry->content != NULL) {
|
Use coccinelle to change logging macro calls in c files
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done
@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 20:28:12 +03:00
|
|
|
NSLOG(netsurf, INFO, " %p : %s (%d users)",
|
|
|
|
entry,
|
|
|
|
nsurl_access(hlcache_handle_get_url(&entry_handle)),
|
|
|
|
content_count_users(entry->content));
|
2014-01-19 14:51:14 +04:00
|
|
|
} else {
|
Use coccinelle to change logging macro calls in c files
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done
@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 20:28:12 +03:00
|
|
|
NSLOG(netsurf, INFO, " %p", entry);
|
2014-01-19 14:51:14 +04:00
|
|
|
}
|
|
|
|
}
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* Clean up retrieval contexts */
|
|
|
|
if (hlcache->retrieval_ctx_ring != NULL) {
|
|
|
|
ctx = hlcache->retrieval_ctx_ring;
|
|
|
|
|
|
|
|
do {
|
|
|
|
next = ctx->r_next;
|
|
|
|
|
|
|
|
if (ctx->llcache != NULL)
|
|
|
|
llcache_handle_release(ctx->llcache);
|
|
|
|
|
|
|
|
if (ctx->handle != NULL)
|
|
|
|
free(ctx->handle);
|
|
|
|
|
|
|
|
if (ctx->child.charset != NULL)
|
|
|
|
free((char *) ctx->child.charset);
|
|
|
|
|
|
|
|
free(ctx);
|
|
|
|
|
|
|
|
ctx = next;
|
|
|
|
} while (ctx != hlcache->retrieval_ctx_ring);
|
|
|
|
|
|
|
|
hlcache->retrieval_ctx_ring = NULL;
|
|
|
|
}
|
|
|
|
|
Use coccinelle to change logging macro calls in c files
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done
@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 20:28:12 +03:00
|
|
|
NSLOG(netsurf, INFO, "hit/miss %d/%d", hlcache->hit_count,
|
|
|
|
hlcache->miss_count);
|
2014-01-19 14:51:14 +04:00
|
|
|
|
2019-09-07 17:23:45 +03:00
|
|
|
/* De-schedule ourselves */
|
|
|
|
guit->misc->schedule(-1, hlcache_clean, NULL);
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
free(hlcache);
|
|
|
|
hlcache = NULL;
|
|
|
|
|
Use coccinelle to change logging macro calls in c files
for F in $(git ls-files '*.c');do spatch --sp-file foo.cocci --in-place ${F};done
@@ expression E; @@
-LOG(E);
+NSLOG(netsurf, INFO, E);
@@ expression E, E1; @@
-LOG(E, E1);
+NSLOG(netsurf, INFO, E, E1);
@@ expression E, E1, E2; @@
-LOG(E, E1, E2);
+NSLOG(netsurf, INFO, E, E1, E2);
@@ expression E, E1, E2, E3; @@
-LOG(E, E1, E2, E3);
+NSLOG(netsurf, INFO, E, E1, E2, E3);
@@ expression E, E1, E2, E3, E4; @@
-LOG(E, E1, E2, E3, E4);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4);
@@ expression E, E1, E2, E3, E4, E5; @@
-LOG(E, E1, E2, E3, E4, E5);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5);
@@ expression E, E1, E2, E3, E4, E5, E6; @@
-LOG(E, E1, E2, E3, E4, E5, E6);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6);
@@ expression E, E1, E2, E3, E4, E5, E6, E7; @@
-LOG(E, E1, E2, E3, E4, E5, E6, E7);
+NSLOG(netsurf, INFO, E, E1, E2, E3, E4, E5, E6, E7);
2017-09-06 20:28:12 +03:00
|
|
|
NSLOG(netsurf, INFO, "Finalising low-level cache");
|
2014-01-19 14:51:14 +04:00
|
|
|
llcache_finalise();
|
|
|
|
}
|
|
|
|
|
|
|
|
/* See hlcache.h for documentation */
|
2021-03-26 02:31:37 +03:00
|
|
|
nserror
|
|
|
|
hlcache_handle_retrieve(nsurl *url,
|
|
|
|
uint32_t flags,
|
|
|
|
nsurl *referer,
|
|
|
|
llcache_post_data *post,
|
|
|
|
hlcache_handle_callback cb, void *pw,
|
|
|
|
hlcache_child_context *child,
|
|
|
|
content_type accepted_types,
|
|
|
|
hlcache_handle **result)
|
2014-01-19 14:51:14 +04:00
|
|
|
{
|
|
|
|
hlcache_retrieval_ctx *ctx;
|
|
|
|
nserror error;
|
|
|
|
|
|
|
|
assert(cb != NULL);
|
|
|
|
|
|
|
|
ctx = calloc(1, sizeof(hlcache_retrieval_ctx));
|
2015-06-24 12:31:13 +03:00
|
|
|
if (ctx == NULL) {
|
2014-01-19 14:51:14 +04:00
|
|
|
return NSERROR_NOMEM;
|
2015-06-24 12:31:13 +03:00
|
|
|
}
|
2014-01-19 14:51:14 +04:00
|
|
|
|
|
|
|
ctx->handle = calloc(1, sizeof(hlcache_handle));
|
|
|
|
if (ctx->handle == NULL) {
|
|
|
|
free(ctx);
|
|
|
|
return NSERROR_NOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (child != NULL) {
|
|
|
|
if (child->charset != NULL) {
|
|
|
|
ctx->child.charset = strdup(child->charset);
|
|
|
|
if (ctx->child.charset == NULL) {
|
|
|
|
free(ctx->handle);
|
|
|
|
free(ctx);
|
|
|
|
return NSERROR_NOMEM;
|
|
|
|
}
|
2011-09-04 10:28:09 +04:00
|
|
|
}
|
2014-01-19 14:51:14 +04:00
|
|
|
ctx->child.quirks = child->quirks;
|
|
|
|
}
|
|
|
|
|
|
|
|
ctx->flags = flags;
|
|
|
|
ctx->accepted_types = accepted_types;
|
|
|
|
|
|
|
|
ctx->handle->cb = cb;
|
|
|
|
ctx->handle->pw = pw;
|
|
|
|
|
|
|
|
error = llcache_handle_retrieve(url, flags, referer, post,
|
|
|
|
hlcache_llcache_callback, ctx,
|
|
|
|
&ctx->llcache);
|
|
|
|
if (error != NSERROR_OK) {
|
2016-11-20 18:25:33 +03:00
|
|
|
/* error retrieving handle so free context and return error */
|
2014-01-19 14:51:14 +04:00
|
|
|
free((char *) ctx->child.charset);
|
|
|
|
free(ctx->handle);
|
|
|
|
free(ctx);
|
2015-06-24 12:31:13 +03:00
|
|
|
} else {
|
2016-11-20 18:25:33 +03:00
|
|
|
/* successfully started fetch so add new context to list */
|
2015-06-24 12:31:13 +03:00
|
|
|
RING_INSERT(hlcache->retrieval_ctx_ring, ctx);
|
2014-01-19 14:51:14 +04:00
|
|
|
|
2015-06-24 12:31:13 +03:00
|
|
|
*result = ctx->handle;
|
|
|
|
}
|
|
|
|
return error;
|
2014-01-19 14:51:14 +04:00
|
|
|
}
|
2011-12-07 00:47:15 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* See hlcache.h for documentation */
|
|
|
|
nserror hlcache_handle_release(hlcache_handle *handle)
|
|
|
|
{
|
|
|
|
if (handle->entry != NULL) {
|
|
|
|
content_remove_user(handle->entry->content,
|
|
|
|
hlcache_content_callback, handle);
|
|
|
|
} else {
|
|
|
|
RING_ITERATE_START(struct hlcache_retrieval_ctx,
|
|
|
|
hlcache->retrieval_ctx_ring,
|
|
|
|
ictx) {
|
|
|
|
if (ictx->handle == handle &&
|
|
|
|
ictx->migrate_target == false) {
|
|
|
|
/* This is the nascent context for us,
|
|
|
|
* so abort the fetch */
|
|
|
|
llcache_handle_abort(ictx->llcache);
|
|
|
|
llcache_handle_release(ictx->llcache);
|
|
|
|
/* Remove us from the ring */
|
|
|
|
RING_REMOVE(hlcache->retrieval_ctx_ring, ictx);
|
|
|
|
/* Throw us away */
|
|
|
|
free((char *) ictx->child.charset);
|
|
|
|
free(ictx);
|
|
|
|
/* And stop */
|
|
|
|
RING_ITERATE_STOP(hlcache->retrieval_ctx_ring,
|
|
|
|
ictx);
|
|
|
|
}
|
|
|
|
} RING_ITERATE_END(hlcache->retrieval_ctx_ring, ictx);
|
2011-09-04 10:28:09 +04:00
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
handle->cb = NULL;
|
|
|
|
handle->pw = NULL;
|
2011-12-09 01:58:26 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
free(handle);
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
return NSERROR_OK;
|
2011-09-04 10:28:09 +04:00
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* See hlcache.h for documentation */
|
|
|
|
struct content *hlcache_handle_get_content(const hlcache_handle *handle)
|
2010-04-04 21:17:24 +04:00
|
|
|
{
|
2014-11-06 02:44:31 +03:00
|
|
|
if ((handle != NULL) && (handle->entry != NULL)) {
|
2014-01-19 14:51:14 +04:00
|
|
|
return handle->entry->content;
|
2014-11-06 02:44:31 +03:00
|
|
|
}
|
2010-04-06 01:35:38 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
return NULL;
|
2010-04-04 21:17:24 +04:00
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* See hlcache.h for documentation */
|
|
|
|
nserror hlcache_handle_abort(hlcache_handle *handle)
|
2010-03-28 16:56:39 +04:00
|
|
|
{
|
2014-01-19 14:51:14 +04:00
|
|
|
struct hlcache_entry *entry = handle->entry;
|
|
|
|
struct content *c;
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (entry == NULL) {
|
|
|
|
/* This handle is not yet associated with a cache entry.
|
|
|
|
* The implication is that the fetch for the handle has
|
|
|
|
* not progressed to the point where the entry can be
|
|
|
|
* created. */
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
RING_ITERATE_START(struct hlcache_retrieval_ctx,
|
|
|
|
hlcache->retrieval_ctx_ring,
|
|
|
|
ictx) {
|
|
|
|
if (ictx->handle == handle &&
|
|
|
|
ictx->migrate_target == false) {
|
|
|
|
/* This is the nascent context for us,
|
|
|
|
* so abort the fetch */
|
|
|
|
llcache_handle_abort(ictx->llcache);
|
|
|
|
llcache_handle_release(ictx->llcache);
|
|
|
|
/* Remove us from the ring */
|
|
|
|
RING_REMOVE(hlcache->retrieval_ctx_ring, ictx);
|
|
|
|
/* Throw us away */
|
|
|
|
free((char *) ictx->child.charset);
|
|
|
|
free(ictx);
|
|
|
|
/* And stop */
|
|
|
|
RING_ITERATE_STOP(hlcache->retrieval_ctx_ring,
|
|
|
|
ictx);
|
|
|
|
}
|
|
|
|
} RING_ITERATE_END(hlcache->retrieval_ctx_ring, ictx);
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
return NSERROR_OK;
|
|
|
|
}
|
2010-04-08 11:09:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
c = entry->content;
|
2010-04-11 20:37:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (content_count_users(c) > 1) {
|
|
|
|
/* We are not the only user of 'c' so clone it. */
|
|
|
|
struct content *clone = content_clone(c);
|
2010-04-11 20:34:23 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (clone == NULL)
|
|
|
|
return NSERROR_NOMEM;
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
entry = calloc(sizeof(struct hlcache_entry), 1);
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (entry == NULL) {
|
|
|
|
content_destroy(clone);
|
2010-03-28 16:56:39 +04:00
|
|
|
return NSERROR_NOMEM;
|
2014-01-19 14:51:14 +04:00
|
|
|
}
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (content_add_user(clone,
|
|
|
|
hlcache_content_callback, handle) == false) {
|
|
|
|
content_destroy(clone);
|
2010-03-28 16:56:39 +04:00
|
|
|
free(entry);
|
|
|
|
return NSERROR_NOMEM;
|
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
content_remove_user(c, hlcache_content_callback, handle);
|
|
|
|
|
|
|
|
entry->content = clone;
|
|
|
|
handle->entry = entry;
|
2010-03-28 16:56:39 +04:00
|
|
|
entry->prev = NULL;
|
2011-09-08 16:04:57 +04:00
|
|
|
entry->next = hlcache->content_list;
|
|
|
|
if (hlcache->content_list != NULL)
|
|
|
|
hlcache->content_list->prev = entry;
|
|
|
|
hlcache->content_list = entry;
|
2011-09-04 10:28:09 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
c = clone;
|
2010-03-28 16:56:39 +04:00
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
return content_abort(c);
|
|
|
|
}
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* See hlcache.h for documentation */
|
|
|
|
nserror hlcache_handle_replace_callback(hlcache_handle *handle,
|
|
|
|
hlcache_handle_callback cb, void *pw)
|
|
|
|
{
|
|
|
|
handle->cb = cb;
|
|
|
|
handle->pw = pw;
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
return NSERROR_OK;
|
|
|
|
}
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
nserror hlcache_handle_clone(hlcache_handle *handle, hlcache_handle **result)
|
|
|
|
{
|
|
|
|
*result = NULL;
|
|
|
|
return NSERROR_CLONE_FAILED;
|
2010-03-28 16:56:39 +04:00
|
|
|
}
|
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* See hlcache.h for documentation */
|
|
|
|
nsurl *hlcache_handle_get_url(const hlcache_handle *handle)
|
2010-03-28 16:56:39 +04:00
|
|
|
{
|
2014-01-19 14:51:14 +04:00
|
|
|
nsurl *result = NULL;
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
assert(handle != NULL);
|
2010-03-28 16:56:39 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
if (handle->entry != NULL) {
|
|
|
|
result = content_get_url(handle->entry->content);
|
|
|
|
} else {
|
|
|
|
RING_ITERATE_START(struct hlcache_retrieval_ctx,
|
|
|
|
hlcache->retrieval_ctx_ring,
|
|
|
|
ictx) {
|
|
|
|
if (ictx->handle == handle) {
|
|
|
|
/* This is the nascent context for us */
|
|
|
|
result = llcache_handle_get_url(ictx->llcache);
|
2010-04-04 16:41:19 +04:00
|
|
|
|
2014-01-19 14:51:14 +04:00
|
|
|
/* And stop */
|
|
|
|
RING_ITERATE_STOP(hlcache->retrieval_ctx_ring,
|
|
|
|
ictx);
|
|
|
|
}
|
|
|
|
} RING_ITERATE_END(hlcache->retrieval_ctx_ring, ictx);
|
|
|
|
}
|
|
|
|
|
|
|
|
return result;
|
2010-03-28 16:56:39 +04:00
|
|
|
}
|