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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009-2015 Red Hat, Inc.
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.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/time.h>
#include <signal.h>
#include <string.h>
#include <glib.h>
#include "spice/macros.h"
#include "common/ring.h"
#include "test_util.h"
#include "basic_event_loop.h"
int debug = 0;
#define DPRINTF(x, format, ...) { \
if (x <= debug) { \
printf("%s: " format "\n" , __FUNCTION__, ## __VA_ARGS__); \
} \
}
#define NOT_IMPLEMENTED printf("%s not implemented\n", __func__);
struct SpiceTimer {
SpiceTimerFunc func;
void *opaque;
guint source_id;
};
static SpiceTimer* timer_add(SpiceTimerFunc func, void *opaque)
{
SpiceTimer *timer = calloc(sizeof(SpiceTimer), 1);
timer->func = func;
timer->opaque = opaque;
return timer;
}
static gboolean timer_func(gpointer user_data)
{
SpiceTimer *timer = user_data;
timer->source_id = 0;
timer->func(timer->opaque);
/* timer might be free after func(), don't touch */
return FALSE;
}
static void timer_cancel(SpiceTimer *timer)
{
if (timer->source_id == 0)
return;
g_source_remove(timer->source_id);
timer->source_id = 0;
}
static void timer_start(SpiceTimer *timer, uint32_t ms)
{
timer_cancel(timer);
timer->source_id = g_timeout_add(ms, timer_func, timer);
}
static void timer_remove(SpiceTimer *timer)
{
timer_cancel(timer);
g_free(timer);
}
struct SpiceWatch {
void *opaque;
guint source_id;
GIOChannel *channel;
SpiceWatchFunc func;
};
static GIOCondition spice_event_to_condition(int event_mask)
{
GIOCondition condition = 0;
if (event_mask & SPICE_WATCH_EVENT_READ)
condition |= G_IO_IN;
if (event_mask & SPICE_WATCH_EVENT_WRITE)
condition |= G_IO_OUT;
return condition;
}
static int condition_to_spice_event(GIOCondition condition)
{
int event = 0;
if (condition & G_IO_IN)
event |= SPICE_WATCH_EVENT_READ;
if (condition & G_IO_OUT)
event |= SPICE_WATCH_EVENT_WRITE;
return event;
}
static gboolean watch_func(GIOChannel *source, GIOCondition condition,
gpointer data)
{
SpiceWatch *watch = data;
int fd = g_io_channel_unix_get_fd(source);
watch->func(fd, condition_to_spice_event(condition), watch->opaque);
return TRUE;
}
static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
{
SpiceWatch *watch;
GIOCondition condition = spice_event_to_condition(event_mask);
watch = g_new(SpiceWatch, 1);
watch->channel = g_io_channel_unix_new(fd);
watch->source_id = g_io_add_watch(watch->channel, condition, watch_func, watch);
watch->func = func;
watch->opaque = opaque;
return watch;
}
static void watch_update_mask(SpiceWatch *watch, int event_mask)
{
GIOCondition condition = spice_event_to_condition(event_mask);
g_source_remove(watch->source_id);
if (condition != 0)
watch->source_id = g_io_add_watch(watch->channel, condition, watch_func, watch);
}
static void watch_remove(SpiceWatch *watch)
{
g_source_remove(watch->source_id);
g_io_channel_unref(watch->channel);
g_free(watch);
}
static void channel_event(int event, SpiceChannelEventInfo *info)
{
DPRINTF(0, "channel event con, type, id, event: %d, %d, %d, %d",
info->connection_id, info->type, info->id, event);
}
void basic_event_loop_mainloop(void)
{
GMainLoop *loop = g_main_loop_new(NULL, FALSE);
g_main_loop_run(loop);
g_main_loop_unref(loop);
}
static void ignore_sigpipe(void)
{
struct sigaction act;
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, NULL);
}
static SpiceCoreInterface core = {
.base = {
.major_version = SPICE_INTERFACE_CORE_MAJOR,
.minor_version = SPICE_INTERFACE_CORE_MINOR,
},
.timer_add = timer_add,
.timer_start = timer_start,
.timer_cancel = timer_cancel,
.timer_remove = timer_remove,
.watch_add = watch_add,
.watch_update_mask = watch_update_mask,
.watch_remove = watch_remove,
.channel_event = channel_event,
};
SpiceCoreInterface *basic_event_loop_init(void)
{
ignore_sigpipe();
return &core;
}
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