netsurf/monkey/poll.c

161 lines
4.0 KiB
C

/*
* Copyright 2011 Daniel Silverstone <dsilvers@digital-scurf.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include "desktop/browser.h"
#include "desktop/gui.h"
#include "monkey/schedule.h"
#include "monkey/browser.h"
#include "content/fetchers/curl.h"
#include "monkey/dispatch.h"
#include "monkey/poll.h"
#ifdef DEBUG_POLL_LOOP
#include "utils/log.h"
#else
#define LOG(X)
#endif
#include <glib.h>
typedef struct {
GSource gs;
GPollFD pf;
} MonkeySource;
static gboolean monkey_source_prepare(GSource *source,
gint *timeout_)
{
*timeout_ = -1;
return FALSE;
}
static gboolean monkey_source_check(GSource *source)
{
MonkeySource *ms = (MonkeySource *)source;
if (ms->pf.revents & G_IO_IN) {
return TRUE;
}
return FALSE;
}
static gboolean monkey_source_dispatch(GSource *source,
GSourceFunc callback,
gpointer user_data)
{
monkey_process_command();
return TRUE;
}
static void monkey_source_finalize(GSource *source)
{
}
GSourceFuncs monkey_source_funcs = {
.prepare = monkey_source_prepare,
.check = monkey_source_check,
.dispatch = monkey_source_dispatch,
.finalize = monkey_source_finalize,
};
void
monkey_prepare_input(void)
{
MonkeySource *gs = (MonkeySource *)g_source_new(&monkey_source_funcs, sizeof *gs);
gs->pf.fd = 0;
gs->pf.events = G_IO_IN | G_IO_ERR;
g_source_add_poll((GSource *)gs, &gs->pf);
g_source_attach((GSource *)gs, NULL);
}
void
monkey_poll(bool active)
{
CURLMcode code;
fd_set read_fd_set, write_fd_set, exc_fd_set;
int max_fd;
GPollFD *fd_list[1000];
unsigned int fd_count = 0;
bool block = true;
schedule_run();
if (browser_reformat_pending)
block = false;
if (active) {
FD_ZERO(&read_fd_set);
FD_ZERO(&write_fd_set);
FD_ZERO(&exc_fd_set);
code = curl_multi_fdset(fetch_curl_multi,
&read_fd_set,
&write_fd_set,
&exc_fd_set,
&max_fd);
assert(code == CURLM_OK);
LOG(("maxfd from curl is %d", max_fd));
for (int i = 0; i <= max_fd; i++) {
if (FD_ISSET(i, &read_fd_set)) {
GPollFD *fd = malloc(sizeof *fd);
fd->fd = i;
fd->events = G_IO_IN | G_IO_HUP | G_IO_ERR;
g_main_context_add_poll(0, fd, 0);
fd_list[fd_count++] = fd;
LOG(("Want to read %d", i));
}
if (FD_ISSET(i, &write_fd_set)) {
GPollFD *fd = malloc(sizeof *fd);
fd->fd = i;
fd->events = G_IO_OUT | G_IO_ERR;
g_main_context_add_poll(0, fd, 0);
fd_list[fd_count++] = fd;
LOG(("Want to write %d", i));
}
if (FD_ISSET(i, &exc_fd_set)) {
GPollFD *fd = malloc(sizeof *fd);
fd->fd = i;
fd->events = G_IO_ERR;
g_main_context_add_poll(0, fd, 0);
fd_list[fd_count++] = fd;
LOG(("Want to check %d", i));
}
}
}
LOG(("Iterate %sactive %sblocking", active?"":"in", block?"":"non-"));
if (block) {
fprintf(stdout, "GENERIC POLL BLOCKING\n");
}
g_main_context_iteration(g_main_context_default(), block);
for (unsigned int i = 0; i != fd_count; i++) {
g_main_context_remove_poll(0, fd_list[i]);
free(fd_list[i]);
}
schedule_run();
if (browser_reformat_pending)
monkey_window_process_reformats();
}