/*
* Copyright 2011 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <verto-tevent.h>
#define VERTO_MODULE_TYPES
typedef struct tevent_context verto_mod_ctx;
typedef void verto_mod_ev;
#include <verto-module.h>
#ifndef TEVENT_FD_ERROR
#define TEVENT_FD_ERROR 0
#endif /* TEVENT_FD_ERROR */
static verto_mod_ctx *
tevent_ctx_new(void)
{
return tevent_context_init(NULL);
}
static void
tevent_ctx_free(verto_mod_ctx *ctx)
{
talloc_free(ctx);
}
static void
tevent_ctx_run_once(verto_mod_ctx *ctx)
{
tevent_loop_once(ctx);
}
static void
tevent_ctx_reinitialize(verto_mod_ctx *ctx)
{
tevent_re_initialise(ctx);
}
static void
tevent_fd_cb(struct tevent_context *c, struct tevent_fd *e,
uint16_t fl, void *data)
{
verto_ev_flag state = VERTO_EV_FLAG_NONE;
if (fl & TEVENT_FD_READ)
state |= VERTO_EV_FLAG_IO_READ;
if (fl & TEVENT_FD_WRITE)
state |= VERTO_EV_FLAG_IO_WRITE;
if (fl & TEVENT_FD_ERROR)
state |= VERTO_EV_FLAG_IO_ERROR;
verto_set_fd_state(data, state);
verto_fire(data);
}
static void
tevent_timer_cb(struct tevent_context *c, struct tevent_timer *e,
struct timeval ct, void *data)
{
verto_fire(data);
}
static void
tevent_signal_cb(struct tevent_context *c, struct tevent_signal *e,
int signum, int count, void *siginfo, void *data)
{
verto_fire(data);
}
static void
tevent_ctx_set_flags(verto_mod_ctx *ctx, const verto_ev *ev,
verto_mod_ev *evpriv)
{
if (verto_get_type(ev) == VERTO_EV_TYPE_IO) {
uint16_t teventflags = TEVENT_FD_ERROR;
if (verto_get_flags(ev) & VERTO_EV_FLAG_IO_READ)
teventflags |= TEVENT_FD_READ;
if (verto_get_flags(ev) & VERTO_EV_FLAG_IO_WRITE)
teventflags |= TEVENT_FD_WRITE;
tevent_fd_set_flags(evpriv, teventflags);
}
}
static verto_mod_ev *
tevent_ctx_add(verto_mod_ctx *ctx, const verto_ev *ev, verto_ev_flag *flags)
{
time_t interval;
struct timeval tv;
struct tevent_fd *tfde;
*flags |= VERTO_EV_FLAG_PERSIST;
switch (verto_get_type(ev)) {
case VERTO_EV_TYPE_IO:
tfde = tevent_add_fd(ctx, ctx, verto_get_fd(ev), TEVENT_FD_ERROR,
tevent_fd_cb, (void *) ev);
if (tfde) {
tevent_ctx_set_flags(ctx, ev, tfde);
if (verto_get_flags(ev) & VERTO_EV_FLAG_IO_CLOSE_FD) {
*flags |= VERTO_EV_FLAG_IO_CLOSE_FD;
tevent_fd_set_auto_close(tfde);
}
}
return tfde;
case VERTO_EV_TYPE_TIMEOUT:
*flags &= ~VERTO_EV_FLAG_PERSIST; /* Timeout events don't persist */
interval = verto_get_interval(ev);
tv = tevent_timeval_current_ofs(interval / 1000, interval % 1000 * 1000);
return tevent_add_timer(ctx, ctx, tv,
tevent_timer_cb, (void *) ev);
case VERTO_EV_TYPE_SIGNAL:
return tevent_add_signal(ctx, ctx, verto_get_signal(ev),
0, tevent_signal_cb, (void *) ev);
case VERTO_EV_TYPE_IDLE:
case VERTO_EV_TYPE_CHILD:
default:
return NULL; /* Not supported */
}
}
static void
tevent_ctx_del(verto_mod_ctx *priv, const verto_ev *ev, verto_mod_ev *evpriv)
{
talloc_free(evpriv);
}
#define tevent_ctx_break NULL
#define tevent_ctx_run NULL
#define tevent_ctx_default NULL
VERTO_MODULE(tevent, tevent_context_init,
VERTO_EV_TYPE_IO |
VERTO_EV_TYPE_TIMEOUT |
VERTO_EV_TYPE_SIGNAL);
verto_ctx *
verto_convert_tevent(struct tevent_context *context)
{
return verto_convert(tevent, 0, context);
}