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Move DNS prefetching into the core

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The feature is going to be included with WebKitGTK+ and
having it in the core allows us to prefetch bookmarks as well.
This commit is contained in:
Christian Dywan 2010-01-01 17:53:58 +01:00
parent 35d99286d6
commit fc7689f906
7 changed files with 97 additions and 203 deletions
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203
extensions/dnsprefetch.c
View file

@ -1,203 +0,0 @@
/*
Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
*/
#include <midori/midori.h>
#include "config.h"
#include <glib/gstdio.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#define MAXHOSTS 50
static gchar* hosts = NULL;
static int host_count;
static bool
dnsprefetch_do_prefetch (const char* uri)
{
SoupURI* s_uri;
if (!uri)
return FALSE;
s_uri = soup_uri_new (uri);
if (!s_uri || !s_uri->host)
return FALSE;
#if GLIB_CHECK_VERSION (2, 22, 0)
if (g_hostname_is_ip_address (s_uri->host))
#else
if (g_ascii_isdigit (s_uri->host[0]) && g_strstr_len (s_uri->host, 4, "."))
#endif
{
soup_uri_free (s_uri);
return FALSE;
}
if (!g_str_has_prefix (uri, "http"))
{
soup_uri_free (s_uri);
return FALSE;
}
if (!g_regex_match_simple (s_uri->host, hosts,
G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
{
SoupAddress* address;
gchar* new_hosts;
address = soup_address_new (s_uri->host, SOUP_ADDRESS_ANY_PORT);
soup_address_resolve_async (address, 0, 0, 0, 0);
g_object_unref (address);
if (host_count > MAXHOSTS)
{
katze_assign (hosts, g_strdup (""));
host_count = 0;
}
host_count++;
new_hosts = g_strdup_printf ("%s|%s", hosts, s_uri->host);
katze_assign (hosts, new_hosts);
}
soup_uri_free (s_uri);
return TRUE;
}
static void
dnsprefetch_prefetch_cb (WebKitWebView* web_view,
const gchar* title,
const char* uri,
gpointer user_data)
{
dnsprefetch_do_prefetch (uri);
}
static void
dnsprefetch_add_tab_cb (MidoriBrowser* browser,
MidoriView* view)
{
GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
g_signal_connect (web_view, "hovering-over-link",
G_CALLBACK (dnsprefetch_prefetch_cb), 0);
}
static void
dnsprefetch_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser);
static void
dnsprefetch_add_tab_foreach_cb (MidoriView* view,
MidoriBrowser* browser)
{
dnsprefetch_add_tab_cb (browser, view);
}
static void
dnsprefetch_app_add_browser_cb (MidoriApp* app,
MidoriBrowser* browser,
MidoriExtension* extension)
{
midori_browser_foreach (browser,
(GtkCallback)dnsprefetch_add_tab_foreach_cb, browser);
g_signal_connect (browser, "add-tab",
G_CALLBACK (dnsprefetch_add_tab_cb), 0);
g_signal_connect (extension, "deactivate",
G_CALLBACK (dnsprefetch_deactivate_cb), browser);
}
static void
dnsprefetch_deactivate_tabs (MidoriView* view,
MidoriBrowser* browser)
{
GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
g_signal_handlers_disconnect_by_func (
browser, dnsprefetch_add_tab_cb, 0);
g_signal_handlers_disconnect_by_func (
web_view, dnsprefetch_do_prefetch, 0);
}
static void
dnsprefetch_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser)
{
MidoriApp* app = midori_extension_get_app (extension);
katze_assign (hosts, g_strdup (""));
host_count = 0;
g_signal_handlers_disconnect_by_func (
extension, dnsprefetch_deactivate_cb, browser);
g_signal_handlers_disconnect_by_func (
app, dnsprefetch_app_add_browser_cb, extension);
midori_browser_foreach (browser, (GtkCallback)dnsprefetch_deactivate_tabs, browser);
}
static void
dnsprefetch_activate_cb (MidoriExtension* extension,
MidoriApp* app)
{
KatzeArray* browsers;
MidoriBrowser* browser;
guint i;
katze_assign (hosts, g_strdup (""));
host_count = 0;
browsers = katze_object_get_object (app, "browsers");
i = 0;
while ((browser = katze_array_get_nth_item (browsers, i++)))
dnsprefetch_app_add_browser_cb (app, browser, extension);
g_signal_connect (app, "add-browser",
G_CALLBACK (dnsprefetch_app_add_browser_cb), extension);
g_object_unref (browsers);
}
#if G_ENABLE_DEBUG
static void
dnsprefetch_parse (void)
{
g_assert (!dnsprefetch_do_prefetch (NULL));
g_assert (dnsprefetch_do_prefetch ("http://google.com"));
g_assert (dnsprefetch_do_prefetch ("http://google.com"));
g_assert (dnsprefetch_do_prefetch ("http://googlecom"));
g_assert (dnsprefetch_do_prefetch ("http://1kino.com"));
g_assert (dnsprefetch_do_prefetch ("http://"));
g_assert (!dnsprefetch_do_prefetch ("http:/"));
g_assert (!dnsprefetch_do_prefetch ("http"));
g_assert (!dnsprefetch_do_prefetch ("ftp://ftphost.org"));
g_assert (!dnsprefetch_do_prefetch ("http://10.0.0.1"));
g_assert (!dnsprefetch_do_prefetch ("about:blank"));
g_assert (!dnsprefetch_do_prefetch ("javascript: alert()"));
}
void
extension_test (void)
{
katze_assign (hosts, g_strdup (""));
host_count = 0;
g_test_add_func ("/extensions/dnsprefetch/parse", dnsprefetch_parse);
}
#endif
MidoriExtension*
extension_init (void)
{
MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
"name", _("DNS prefetching"),
"description", _("Prefetch IP addresses of hovered links"),
"version", "0.1",
"authors", "Alexander V. Butenko <a.butenka@gmail.com>",
NULL);
g_signal_connect (extension, "activate",
G_CALLBACK (dnsprefetch_activate_cb), NULL);
return extension;
}

3
midori/midori-browser.c
View file

@ -2760,7 +2760,10 @@ midori_browser_menu_item_select_cb (GtkWidget* menuitem,
/* This is undocumented object data, used by KatzeArrayAction. */
KatzeItem* item = g_object_get_data (G_OBJECT (menuitem), "KatzeItem");
if (item)
{
tooltip = g_strdup (katze_item_get_uri (item));
sokoke_prefetch_uri (tooltip);
}
}
_midori_browser_set_statusbar_text (browser, tooltip);
g_free (tooltip);

4
midori/midori-view.c
View file

@ -1194,6 +1194,10 @@ webkit_web_view_hovering_over_link_cb (WebKitWebView* web_view,
const gchar* link_uri,
MidoriView* view)
{
#if !(WEBKIT_CHECK_VERSION (2, 18, 0) && defined (HAVE_LIBSOUP_2_29_3))
sokoke_prefetch_uri (link_uri);
#endif
katze_assign (view->link_uri, g_strdup (link_uri));
if (link_uri && g_str_has_prefix (link_uri, "mailto:"))
{

64
midori/sokoke.c
View file

@ -1,6 +1,7 @@
/*
Copyright (C) 2007-2009 Christian Dywan <christian@twotoasts.de>
Copyright (C) 2009 Dale Whittaker <dayul@users.sf.net>
Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@ -1521,3 +1522,66 @@ sokoke_file_chooser_dialog_new (const gchar* title,
#endif
return dialog;
}
/**
* sokoke_prefetch_uri:
* @uri: an URI string
*
* Attempts to prefetch the specified URI, that is
* it tries to resolve the hostname in advance.
*
* Return value: %TRUE on success
**/
gboolean
sokoke_prefetch_uri (const char* uri)
{
#define MAXHOSTS 50
static gchar* hosts = NULL;
static gint host_count = G_MAXINT;
SoupURI* s_uri;
if (!uri)
return FALSE;
s_uri = soup_uri_new (uri);
if (!s_uri || !s_uri->host)
return FALSE;
#if GLIB_CHECK_VERSION (2, 22, 0)
if (g_hostname_is_ip_address (s_uri->host))
#else
if (g_ascii_isdigit (s_uri->host[0]) && g_strstr_len (s_uri->host, 4, "."))
#endif
{
soup_uri_free (s_uri);
return FALSE;
}
if (!g_str_has_prefix (uri, "http"))
{
soup_uri_free (s_uri);
return FALSE;
}
if (!hosts ||
!g_regex_match_simple (s_uri->host, hosts,
G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
{
SoupAddress* address;
gchar* new_hosts;
address = soup_address_new (s_uri->host, SOUP_ADDRESS_ANY_PORT);
soup_address_resolve_async (address, 0, 0, 0, 0);
g_object_unref (address);
if (host_count > MAXHOSTS)
{
katze_assign (hosts, g_strdup (""));
host_count = 0;
}
host_count++;
new_hosts = g_strdup_printf ("%s|%s", hosts, s_uri->host);
katze_assign (hosts, new_hosts);
}
soup_uri_free (s_uri);
return TRUE;
}

3
midori/sokoke.h
View file

@ -179,4 +179,7 @@ sokoke_file_chooser_dialog_new (const gchar* title,
GtkWindow* window,
GtkFileChooserAction action);
gboolean
sokoke_prefetch_uri (const char* uri);
#endif /* !__SOKOKE_H__ */

22
tests/magic-uri.c
View file

@ -1,5 +1,6 @@
/*
Copyright (C) 2008-2009 Christian Dywan <christian@twotoasts.de>
Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@ -225,10 +226,30 @@ magic_uri_format (void)
}
}
static void
magic_uri_prefetch (void)
{
g_assert (!sokoke_prefetch_uri (NULL));
g_assert (sokoke_prefetch_uri ("http://google.com"));
g_assert (sokoke_prefetch_uri ("http://google.com"));
g_assert (sokoke_prefetch_uri ("http://googlecom"));
g_assert (sokoke_prefetch_uri ("http://1kino.com"));
g_assert (sokoke_prefetch_uri ("http://"));
g_assert (!sokoke_prefetch_uri ("http:/"));
g_assert (!sokoke_prefetch_uri ("http"));
g_assert (!sokoke_prefetch_uri ("ftp://ftphost.org"));
g_assert (!sokoke_prefetch_uri ("http://10.0.0.1"));
g_assert (!sokoke_prefetch_uri ("about:blank"));
g_assert (!sokoke_prefetch_uri ("javascript: alert()"));
}
int
main (int argc,
char** argv)
{
/* libSoup uses threads, therefore if WebKit is built with libSoup
or Midori is using it, we need to initialize threads. */
if (!g_thread_supported ()) g_thread_init (NULL);
g_test_init (&argc, &argv, NULL);
gtk_init_check (&argc, &argv);
@ -238,6 +259,7 @@ main (int argc,
g_test_add_func ("/magic-uri/pseudo", magic_uri_pseudo);
g_test_add_func ("/magic-uri/performance", magic_uri_performance);
g_test_add_func ("/magic-uri/format", magic_uri_format);
g_test_add_func ("/magic-uri/prefetch", magic_uri_prefetch);
return g_test_run ();
}

1
wscript
View file

@ -213,6 +213,7 @@ def configure (conf):
check_pkg ('libsoup-2.4', '2.25.2')
conf.define ('HAVE_LIBSOUP_2_25_2', 1)
check_pkg ('libsoup-2.4', '2.27.90', False, var='LIBSOUP_2_27_90')
check_pkg ('libsoup-2.4', '2.29.3', False, var='LIBSOUP_2_29_3')
check_pkg ('libxml-2.0', '2.6')
if conf.env['HAVE_LIBSOUP_2_27_90']: