mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-04 20:02:21 +03:00
a4c5929a2f
Reorganization and rewrite of fetch, cache, and content handling. svn path=/import/netsurf/; revision=96
150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
/**
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* $Id: fetchcache.c,v 1.1 2003/02/09 12:58:14 bursa Exp $
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*/
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#include <assert.h>
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#include "netsurf/content/cache.h"
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#include "netsurf/content/fetchcache.h"
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#include "netsurf/content/fetch.h"
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#include "netsurf/utils/log.h"
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#include "netsurf/utils/utils.h"
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struct fetchcache {
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void *url;
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void (*callback)(fetchcache_msg msg, struct content *c, void *p, char *error);
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void *p;
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struct fetch *f;
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struct content *c;
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unsigned long width, height;
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};
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void fetchcache_free(struct fetchcache *fc);
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void fetchcache_callback(fetchcache_msg msg, struct fetchcache *fc, char *data, unsigned long size);
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void fetchcache(char *url, char *referer,
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void (*callback)(fetchcache_msg msg, struct content *c, void *p, char *error),
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void *p, unsigned long width, unsigned long height)
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{
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struct content *c;
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struct fetchcache *fc;
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c = cache_get(url);
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if (c != 0) {
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content_revive(c, width, height);
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callback(FETCHCACHE_OK, c, p, 0);
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return;
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}
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fc = xcalloc(1, sizeof(struct fetchcache));
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fc->url = xstrdup(url);
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fc->callback = callback;
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fc->p = p;
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fc->c = 0;
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fc->width = width;
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fc->height = height;
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fc->f = fetch_start(url, referer, fetchcache_callback, fc);
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}
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void fetchcache_free(struct fetchcache *fc)
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{
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free(fc->url);
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free(fc);
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}
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void fetchcache_callback(fetch_msg msg, struct fetchcache *fc, char *data, unsigned long size)
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{
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content_type type;
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switch (msg) {
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case FETCH_TYPE:
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type = content_lookup(data);
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LOG(("FETCH_TYPE, type %u", type));
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if (type == CONTENT_OTHER) {
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fetch_abort(fc->f);
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fc->callback(FETCHCACHE_BADTYPE, 0, fc->p, 0);
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free(fc);
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} else {
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fc->c = content_create(type, fc->url);
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}
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break;
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case FETCH_DATA:
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LOG(("FETCH_DATA"));
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assert(fc->c != 0);
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content_process_data(fc->c, data, size);
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break;
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case FETCH_FINISHED:
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LOG(("FETCH_FINISHED"));
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assert(fc->c != 0);
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if (content_convert(fc->c, fc->width, fc->height) == 0) {
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cache_put(fc->c);
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fc->callback(FETCHCACHE_OK, fc->c, fc->p, 0);
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} else {
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content_destroy(fc->c);
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fc->callback(FETCHCACHE_ERROR, 0, fc->p, "Conversion failed");
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}
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free(fc);
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break;
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case FETCH_ERROR:
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LOG(("FETCH_ERROR, '%s'", data));
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if (fc->c != 0)
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content_destroy(fc->c);
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fc->callback(FETCHCACHE_ERROR, 0, fc->p, data);
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free(fc);
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break;
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default:
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assert(0);
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}
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}
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#ifdef TEST
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#include <unistd.h>
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void callback(fetchcache_msg msg, struct content *c, void *p, char *error)
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{
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switch (msg) {
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case FETCHCACHE_OK:
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LOG(("FETCHCACHE_OK, url '%s'", p));
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break;
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case FETCHCACHE_BADTYPE:
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LOG(("FETCHCACHE_BADTYPE, url '%s'", p));
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break;
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case FETCHCACHE_ERROR:
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LOG(("FETCHCACHE_ERROR, url '%s', error '%s'", p, error));
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break;
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default:
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assert(0);
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}
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}
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char *test[] = {"http://www.google.co.uk/", "http://www.ox.ac.uk/", "blah://blah/"};
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int main(void)
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{
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int i;
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cache_init();
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fetch_init();
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for (i = 0; i != sizeof(test) / sizeof(test[0]); i++)
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fetchcache(test[i], 0, callback, test[i], 800, 0);
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for (i = 0; i != 5; i++) {
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fetch_poll();
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sleep(1);
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}
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for (i = 0; i != sizeof(test) / sizeof(test[0]); i++)
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fetchcache(test[i], 0, callback, test[i], 800, 0);
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for (i = 0; i != 20; i++) {
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fetch_poll();
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sleep(1);
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}
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return 0;
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}
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#endif
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