283 lines
8.0 KiB
C
283 lines
8.0 KiB
C
/*
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* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
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* Copyright 2007 James Bursa <bursa@users.sourceforge.net>
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* Copyright 2004 Andrew Timmins <atimmins@blueyonder.co.uk>
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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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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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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#include <locale.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <libwapcaplet/libwapcaplet.h>
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#include <dom/dom.h>
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#include "netsurf/inttypes.h"
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#include "utils/config.h"
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#include "utils/errors.h"
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#include "utils/nscolour.h"
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#include "utils/nsoption.h"
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#include "utils/corestrings.h"
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#include "utils/log.h"
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#include "utils/string.h"
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#include "utils/utf8.h"
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#include "utils/messages.h"
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#include "utils/useragent.h"
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#include "content/content_factory.h"
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#include "content/fetchers.h"
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#include "content/hlcache.h"
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#include "content/mimesniff.h"
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#include "content/urldb.h"
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#include "css/css.h"
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#include "image/image.h"
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#include "image/image_cache.h"
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#include "javascript/js.h"
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#include "html/html.h"
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#include "text/textplain.h"
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#include "netsurf/browser_window.h"
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#include "desktop/system_colour.h"
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#include "desktop/page-info.h"
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#include "desktop/searchweb.h"
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#include "netsurf/misc.h"
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#include "desktop/gui_internal.h"
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#include "netsurf/netsurf.h"
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/** \todo QUERY - Remove this import later */
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#include "desktop/browser_private.h"
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/** speculative pre-conversion small image size
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*
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* Experimenting by visiting every page from default page in order and
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* then netsurf homepage
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*
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* 0 : Cache hit/miss/speculative miss/fail 604/147/ 0/0 (80%/19%/ 0%/ 0%)
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* 2048 : Cache hit/miss/speculative miss/fail 622/119/ 17/0 (82%/15%/ 2%/ 0%)
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* 4096 : Cache hit/miss/speculative miss/fail 656/109/ 25/0 (83%/13%/ 3%/ 0%)
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* 8192 : Cache hit/miss/speculative miss/fail 648/104/ 40/0 (81%/13%/ 5%/ 0%)
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* ALL : Cache hit/miss/speculative miss/fail 775/ 0/161/0 (82%/ 0%/17%/ 0%)
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*/
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#define SPECULATE_SMALL 4096
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/** the time between image cache clean runs in ms. */
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#define IMAGE_CACHE_CLEAN_TIME (10 * 1000)
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/** default time between content cache cleans. */
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#define HL_CACHE_CLEAN_TIME (2 * IMAGE_CACHE_CLEAN_TIME)
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/** ensure there is a minimal amount of memory for source objetcs and
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* decoded bitmaps.
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*/
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#define MINIMUM_MEMORY_CACHE_SIZE (2 * 1024 * 1024)
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/** default minimum object time before object is pushed to backing store. (s) */
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#define LLCACHE_STORE_MIN_LIFETIME (60 * 30)
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/** default minimum bandwidth for backing store writeout. (byte/s) */
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#define LLCACHE_STORE_MIN_BANDWIDTH (128 * 1024)
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/** default maximum bandwidth for backing store writeout. (byte/s) */
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#define LLCACHE_STORE_MAX_BANDWIDTH (1024 * 1024)
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/** default time quantum with which to calculate bandwidth (ms) */
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#define LLCACHE_STORE_TIME_QUANTUM (100)
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static void netsurf_lwc_iterator(lwc_string *str, void *pw)
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{
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NSLOG(netsurf, WARNING, "[%3u] %.*s", str->refcnt,
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(int)lwc_string_length(str), lwc_string_data(str));
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}
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/* exported interface documented in netsurf/netsurf.h */
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nserror netsurf_init(const char *store_path)
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{
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nserror ret;
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struct hlcache_parameters hlcache_parameters = {
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.bg_clean_time = HL_CACHE_CLEAN_TIME,
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.llcache = {
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.minimum_lifetime = LLCACHE_STORE_MIN_LIFETIME,
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.minimum_bandwidth = LLCACHE_STORE_MIN_BANDWIDTH,
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.maximum_bandwidth = LLCACHE_STORE_MAX_BANDWIDTH,
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.time_quantum = LLCACHE_STORE_TIME_QUANTUM,
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}
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};
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struct image_cache_parameters image_cache_parameters = {
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.bg_clean_time = IMAGE_CACHE_CLEAN_TIME,
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.speculative_small = SPECULATE_SMALL
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};
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#ifdef HAVE_SIGPIPE
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/* Ignore SIGPIPE - this is necessary as OpenSSL can generate these
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* and the default action is to terminate the app. There's no easy
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* way of determining the cause of the SIGPIPE (other than using
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* sigaction() and some mechanism for getting the file descriptor
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* out of libcurl). However, we expect nothing else to generate a
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* SIGPIPE, anyway, so may as well just ignore them all.
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*/
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signal(SIGPIPE, SIG_IGN);
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#endif
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/* corestrings init */
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ret = corestrings_init();
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if (ret != NSERROR_OK)
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return ret;
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ret = nscolour_update();
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if (ret != NSERROR_OK)
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return ret;
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/* set up cache limits based on the memory cache size option */
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hlcache_parameters.llcache.limit = nsoption_int(memory_cache_size);
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if (hlcache_parameters.llcache.limit < MINIMUM_MEMORY_CACHE_SIZE) {
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hlcache_parameters.llcache.limit = MINIMUM_MEMORY_CACHE_SIZE;
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NSLOG(netsurf, INFO,
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"Setting minimum memory cache size %"PRIsizet,
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hlcache_parameters.llcache.limit);
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}
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/* Set up the max attempts made to fetch a timing out resource */
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hlcache_parameters.llcache.fetch_attempts = nsoption_uint(max_retried_fetches);
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/* image cache is 25% of total memory cache size */
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image_cache_parameters.limit = hlcache_parameters.llcache.limit / 4;
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/* image cache hysteresis is 20% of the image cache size */
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image_cache_parameters.hysteresis = image_cache_parameters.limit / 5;
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/* account for image cache use from total */
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hlcache_parameters.llcache.limit -= image_cache_parameters.limit;
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/* set backing store target limit */
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hlcache_parameters.llcache.store.limit = nsoption_uint(disc_cache_size);
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/* set backing store hysterissi to 20% */
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hlcache_parameters.llcache.store.hysteresis = hlcache_parameters.llcache.store.limit / 5;
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/* set the path to the backing store */
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hlcache_parameters.llcache.store.path =
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nsoption_charp(disc_cache_path) ?
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nsoption_charp(disc_cache_path) :
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store_path;
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/* image handler bitmap cache */
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ret = image_cache_init(&image_cache_parameters);
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if (ret != NSERROR_OK)
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return ret;
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/* content handler initialisation */
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ret = nscss_init();
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if (ret != NSERROR_OK)
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return ret;
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ret = html_init();
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if (ret != NSERROR_OK)
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return ret;
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ret = image_init();
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if (ret != NSERROR_OK)
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return ret;
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ret = textplain_init();
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if (ret != NSERROR_OK)
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return ret;
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setlocale(LC_ALL, "");
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/* initialise the fetchers */
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ret = fetcher_init();
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if (ret != NSERROR_OK)
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return ret;
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/* Initialise the hlcache and allow it to init the llcache for us */
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ret = hlcache_initialise(&hlcache_parameters);
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if (ret != NSERROR_OK)
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return ret;
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/* Initialize system colours */
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ret = ns_system_colour_init();
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if (ret != NSERROR_OK)
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return ret;
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js_initialise();
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ret = page_info_init();
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if (ret != NSERROR_OK) {
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return ret;
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}
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return NSERROR_OK;
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}
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/**
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* Clean up components used by gui NetSurf.
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*/
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void netsurf_exit(void)
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{
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hlcache_stop();
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NSLOG(netsurf, INFO, "Closing GUI");
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guit->misc->quit();
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NSLOG(netsurf, INFO, "Finalising page-info module");
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page_info_fini();
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NSLOG(netsurf, INFO, "Finalising JavaScript");
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js_finalise();
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NSLOG(netsurf, INFO, "Finalising Web Search");
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search_web_finalise();
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NSLOG(netsurf, INFO, "Finalising high-level cache");
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hlcache_finalise();
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NSLOG(netsurf, INFO, "Closing fetches");
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fetcher_quit();
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/* Now the fetchers are done, our user-agent string can go */
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free_user_agent_string();
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/* dump any remaining cache entries */
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image_cache_fini();
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/* Clean up after content handlers */
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content_factory_fini();
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NSLOG(netsurf, INFO, "Closing utf8");
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utf8_finalise();
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NSLOG(netsurf, INFO, "Destroying URLdb");
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urldb_destroy();
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NSLOG(netsurf, INFO, "Destroying System colours");
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ns_system_colour_finalize();
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NSLOG(netsurf, INFO, "Destroying Messages");
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messages_destroy();
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corestrings_fini();
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if (dom_namespace_finalise() != DOM_NO_ERR) {
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NSLOG(netsurf, WARNING, "Unable to finalise DOM namespace strings");
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}
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NSLOG(netsurf, INFO, "Remaining lwc strings:");
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lwc_iterate_strings(netsurf_lwc_iterator, NULL);
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NSLOG(netsurf, INFO, "Exited successfully");
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}
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