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Make high level cache, low level cache and image cache all be initialised from passed parameters

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Calculate all cache sizes from single memory cache size option and sanity check
have a single global struct to hold all parameters instead of several individual variables

svn path=/trunk/netsurf/; revision=12784
This commit is contained in:
Vincent Sanders 2011-09-10 00:55:39 +00:00
parent cbeffd4c5f
commit 2d33a8f85a
5 changed files with 161 additions and 114 deletions
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13
content/hlcache.c
View File

@ -84,6 +84,8 @@ struct hlcache_s {
hlcache_retrieval_ctx *retrieval_ctx_ring;
/* statsistics */
unsigned int hit_count;
unsigned int miss_count;
};
/** high level cache state */
@ -118,7 +120,8 @@ hlcache_initialise(const struct hlcache_parameters *hlcache_parameters)
}
ret = llcache_initialise(hlcache_parameters->cb,
hlcache_parameters->cb_ctx);
hlcache_parameters->cb_ctx,
hlcache_parameters->limit);
if (ret != NSERROR_OK) {
free(hlcache);
hlcache = NULL;
@ -203,9 +206,13 @@ void hlcache_finalise(void)
hlcache->retrieval_ctx_ring = NULL;
}
LOG(("hit/miss %d/%d", hlcache->hit_count, hlcache->miss_count));
free(hlcache);
hlcache = NULL;
LOG(("Finalising low-level cache"));
llcache_finalise();
}
/* See hlcache.h for documentation */
@ -727,9 +734,12 @@ nserror hlcache_find_content(hlcache_retrieval_ctx *ctx,
/* Signal to caller that we created a content */
error = NSERROR_NEED_DATA;
hlcache->miss_count++;
} else {
/* Found a suitable content: no longer need low-level handle */
llcache_handle_release(ctx->llcache);
hlcache->hit_count++;
}
/* Associate handle with content */
@ -801,4 +811,3 @@ void hlcache_content_callback(struct content *c, content_msg msg,
if (error != NSERROR_OK)
LOG(("Error in callback: %d", error));
}

81
content/llcache.c
View File

@ -29,7 +29,6 @@
#include "content/fetch.h"
#include "content/llcache.h"
#include "content/urldb.h"
#include "desktop/options.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/url.h"
@ -142,15 +141,23 @@ struct llcache_object {
size_t num_headers; /**< Number of fetch headers */
};
struct llcache_s {
/** Handler for fetch-related queries */
static llcache_query_callback query_cb;
llcache_query_callback query_cb;
/** Data for fetch-related query handler */
static void *query_cb_pw;
void *query_cb_pw;
/** Head of the low-level cached object list */
static llcache_object *llcache_cached_objects;
llcache_object *cached_objects;
/** Head of the low-level uncached object list */
static llcache_object *llcache_uncached_objects;
llcache_object *uncached_objects;
uint32_t limit;
};
/** low level cache state */
static struct llcache_s *llcache = NULL;
static nserror llcache_object_user_new(llcache_handle_callback cb, void *pw,
llcache_object_user **user);
@ -246,10 +253,19 @@ static inline void llcache_invalidate_cache_control_data(llcache_object *object)
******************************************************************************/
/* See llcache.h for documentation */
nserror llcache_initialise(llcache_query_callback cb, void *pw)
nserror
llcache_initialise(llcache_query_callback cb, void *pw, uint32_t llcache_limit)
{
query_cb = cb;
query_cb_pw = pw;
llcache = calloc(1, sizeof(struct llcache_s));
if (llcache == NULL) {
return NSERROR_NOMEM;
}
llcache->query_cb = cb;
llcache->query_cb_pw = pw;
llcache->limit = llcache_limit;
LOG(("llcache initialised with a limit of %d bytes", llcache_limit));
return NSERROR_OK;
}
@ -260,7 +276,7 @@ void llcache_finalise(void)
llcache_object *object, *next;
/* Clean uncached objects */
for (object = llcache_uncached_objects; object != NULL; object = next) {
for (object = llcache->uncached_objects; object != NULL; object = next) {
llcache_object_user *user, *next_user;
next = object->next;
@ -281,7 +297,7 @@ void llcache_finalise(void)
}
/* Clean cached objects */
for (object = llcache_cached_objects; object != NULL; object = next) {
for (object = llcache->cached_objects; object != NULL; object = next) {
llcache_object_user *user, *next_user;
next = object->next;
@ -300,6 +316,9 @@ void llcache_finalise(void)
llcache_object_destroy(object);
}
free(llcache);
llcache = NULL;
}
/* See llcache.h for documentation */
@ -310,12 +329,12 @@ nserror llcache_poll(void)
fetch_poll();
/* Catch new users up with state of objects */
for (object = llcache_cached_objects; object != NULL;
for (object = llcache->cached_objects; object != NULL;
object = object->next) {
llcache_object_notify_users(object);
}
for (object = llcache_uncached_objects; object != NULL;
for (object = llcache->uncached_objects; object != NULL;
object = object->next) {
llcache_object_notify_users(object);
}
@ -453,7 +472,7 @@ nserror llcache_handle_abort(llcache_handle *handle)
/* Add new object to uncached list */
llcache_object_add_to_list(newobject,
&llcache_uncached_objects);
&llcache->uncached_objects);
} else {
/* We're the only user, so abort any fetch in progress */
if (object->fetch.fetch != NULL) {
@ -481,10 +500,10 @@ nserror llcache_handle_force_stream(llcache_handle *handle)
return NSERROR_OK;
/* Forcibly uncache this object */
if (llcache_object_in_list(object, llcache_cached_objects)) {
if (llcache_object_in_list(object, llcache->cached_objects)) {
llcache_object_remove_from_list(object,
&llcache_cached_objects);
llcache_object_add_to_list(object, &llcache_uncached_objects);
&llcache->cached_objects);
llcache_object_add_to_list(object, &llcache->uncached_objects);
}
object->fetch.flags |= LLCACHE_RETRIEVE_STREAM_DATA;
@ -717,7 +736,7 @@ nserror llcache_object_retrieve(const char *url, uint32_t flags,
}
/* Add new object to uncached list */
llcache_object_add_to_list(obj, &llcache_uncached_objects);
llcache_object_add_to_list(obj, &llcache->uncached_objects);
} else {
error = llcache_object_retrieve_from_cache(defragmented_url, flags, referer,
post, redirect_count, &obj);
@ -765,7 +784,7 @@ nserror llcache_object_retrieve_from_cache(const char *url, uint32_t flags,
#endif
/* Search for the most recently fetched matching object */
for (obj = llcache_cached_objects; obj != NULL; obj = obj->next) {
for (obj = llcache->cached_objects; obj != NULL; obj = obj->next) {
bool match;
if ((newest == NULL ||
@ -821,7 +840,7 @@ nserror llcache_object_retrieve_from_cache(const char *url, uint32_t flags,
}
/* Add new object to cache */
llcache_object_add_to_list(obj, &llcache_cached_objects);
llcache_object_add_to_list(obj, &llcache->cached_objects);
} else {
/* No object found; create a new one */
/* Create new object */
@ -842,7 +861,7 @@ nserror llcache_object_retrieve_from_cache(const char *url, uint32_t flags,
}
/* Add new object to cache */
llcache_object_add_to_list(obj, &llcache_cached_objects);
llcache_object_add_to_list(obj, &llcache->cached_objects);
}
*result = obj;
@ -1643,7 +1662,7 @@ void llcache_clean(void)
*/
/* 1) Uncacheable objects with no users or fetches */
for (object = llcache_uncached_objects; object != NULL; object = next) {
for (object = llcache->uncached_objects; object != NULL; object = next) {
next = object->next;
/* The candidate count of uncacheable objects is always 0 */
@ -1654,7 +1673,7 @@ void llcache_clean(void)
LOG(("Found victim %p", object));
#endif
llcache_object_remove_from_list(object,
&llcache_uncached_objects);
&llcache->uncached_objects);
llcache_object_destroy(object);
} else {
llcache_size += object->source_len + sizeof(*object);
@ -1662,7 +1681,7 @@ void llcache_clean(void)
}
/* 2) Stale cacheable objects with no users or pending fetches */
for (object = llcache_cached_objects; object != NULL; object = next) {
for (object = llcache->cached_objects; object != NULL; object = next) {
next = object->next;
if (object->users == NULL && object->candidate_count == 0 &&
@ -1673,17 +1692,17 @@ void llcache_clean(void)
LOG(("Found victim %p", object));
#endif
llcache_object_remove_from_list(object,
&llcache_cached_objects);
&llcache->cached_objects);
llcache_object_destroy(object);
} else {
llcache_size += object->source_len + sizeof(*object);
}
}
if ((uint32_t) option_memory_cache_size < llcache_size) {
if (llcache->limit < llcache_size) {
/* 3) Fresh cacheable objects with
* no users or pending fetches */
for (object = llcache_cached_objects; object != NULL;
for (object = llcache->cached_objects; object != NULL;
object = next) {
next = object->next;
@ -1699,7 +1718,7 @@ void llcache_clean(void)
object->source_len + sizeof(*object);
llcache_object_remove_from_list(object,
&llcache_cached_objects);
&llcache->cached_objects);
llcache_object_destroy(object);
}
}
@ -2459,7 +2478,7 @@ nserror llcache_fetch_auth(llcache_object *object, const char *realm)
/* No authentication details, or tried what we had, so ask */
object->fetch.tried_with_auth = false;
if (query_cb != NULL) {
if (llcache->query_cb != NULL) {
llcache_query query;
/* Emit query for authentication details */
@ -2469,7 +2488,7 @@ nserror llcache_fetch_auth(llcache_object *object, const char *realm)
object->fetch.outstanding_query = true;
error = query_cb(&query, query_cb_pw,
error = llcache->query_cb(&query, llcache->query_cb_pw,
llcache_query_handle_response, object);
} else {
llcache_event event;
@ -2513,7 +2532,7 @@ nserror llcache_fetch_cert_error(llcache_object *object,
/* Invalidate cache-control data */
llcache_invalidate_cache_control_data(object);
if (query_cb != NULL) {
if (llcache->query_cb != NULL) {
llcache_query query;
/* Emit query for TLS */
@ -2524,7 +2543,7 @@ nserror llcache_fetch_cert_error(llcache_object *object,
object->fetch.outstanding_query = true;
error = query_cb(&query, query_cb_pw,
error = llcache->query_cb(&query, llcache->query_cb_pw,
llcache_query_handle_response, object);
} else {
llcache_event event;

2
content/llcache.h
View File

@ -156,7 +156,7 @@ typedef nserror (*llcache_query_callback)(const llcache_query *query, void *pw,
* \param pw Pointer to query handler data
* \return NSERROR_OK on success, appropriate error otherwise.
*/
nserror llcache_initialise(llcache_query_callback cb, void *pw);
nserror llcache_initialise(llcache_query_callback cb, void *pw, uint32_t llcache_limit);
/**
* Finalise the low-level cache

27
desktop/netsurf.c
View File

@ -70,7 +70,7 @@
/* the time between cache clean runs in ms */
#define IMAGE_CACHE_CLEAN_TIME (10 * 1000)
#define HL_CACHE_CLEAN_TIME (5 * 1000)
#define HL_CACHE_CLEAN_TIME (2 * IMAGE_CACHE_CLEAN_TIME)
bool netsurf_quit = false;
bool verbose_log = false;
@ -109,6 +109,8 @@ static nserror netsurf_llcache_query_handler(const llcache_query *query,
return NSERROR_OK;
}
#define MINIMUM_MEMORY_CACHE_SIZE (2 * 1024 * 1024)
/**
* Initialise components used by gui NetSurf.
*/
@ -127,8 +129,6 @@ nserror netsurf_init(int *pargc,
};
struct image_cache_parameters image_cache_parameters = {
.bg_clean_time = IMAGE_CACHE_CLEAN_TIME,
.limit = (8 * 1024 * 1024),
.hysteresis = (2 * 1024 * 1024),
.speculative_small = SPECULATE_SMALL
};
@ -169,6 +169,24 @@ nserror netsurf_init(int *pargc,
messages_load(messages);
/* set up cache limits based on the memory cache size option */
hlcache_parameters.limit = option_memory_cache_size;
if (hlcache_parameters.limit < MINIMUM_MEMORY_CACHE_SIZE) {
hlcache_parameters.limit = MINIMUM_MEMORY_CACHE_SIZE;
LOG(("Setting minimum memory cache size to %d",
hlcache_parameters.limit));
}
/* image cache is 25% of total memory cache size */
image_cache_parameters.limit = (hlcache_parameters.limit * 25) / 100;
/* image cache hysteresis is 20% of teh image cache size */
image_cache_parameters.hysteresis = (image_cache_parameters.limit * 20) / 100;
/* account for image cache use from total */
hlcache_parameters.limit -= image_cache_parameters.limit;
/* image handler bitmap cache */
error = image_cache_init(&image_cache_parameters);
if (error != NSERROR_OK)
@ -244,9 +262,6 @@ void netsurf_exit(void)
LOG(("Finalising high-level cache"));
hlcache_finalise();
LOG(("Finalising low-level cache"));
llcache_finalise();
LOG(("Closing fetches"));
fetch_quit();

12
image/image_cache.c
View File

@ -89,20 +89,20 @@ struct image_cache_s {
/** Maximum count of bitmaps allocated at any one time */
int max_bitmap_count;
/** The size of the bitmaps when teh max count occoured */
/** The size of the bitmaps when the max count occoured */
size_t max_bitmap_count_size;
/** Bitmap was not available at plot time required conversion */
int miss_count;
size_t miss_size;
uint64_t miss_size;
/** Bitmap was available at plot time required no conversion */
int hit_count;
size_t hit_size;
uint64_t hit_size;
/** Bitmap was not available at plot time and required
* conversion which failed.
*/
int fail_count;
size_t fail_size;
uint64_t fail_size;
/* Cache entry freed without ever being redrawn */
int total_unrendered;
@ -120,6 +120,7 @@ struct image_cache_s {
unsigned int peak_conversions_size;
};
/** image cache state */
static struct image_cache_s *image_cache = NULL;
@ -357,6 +358,9 @@ image_cache_init(const struct image_cache_parameters *image_cache_parameters)
image_cache__background_update,
image_cache);
LOG(("Image cache initilised with a limit of %d hysteresis of %d",
image_cache->params.limit, image_cache->params.hysteresis));
return NSERROR_OK;
}