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/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2021, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* @file mainloop_sys.c
* @brief Declare the "mainloop" subsystem.
**/
#include "core/or/or.h"
#include "core/mainloop/mainloop_sys.h"
#include "core/mainloop/mainloop.h"
#include "core/mainloop/mainloop_state_st.h"
#include "core/mainloop/netstatus.h"
#include "lib/conf/conftypes.h"
#include "lib/conf/confdecl.h"
#include "lib/subsys/subsys.h"
static int
subsys_mainloop_initialize(void)
{
initialize_periodic_events();
return 0;
}
static void
subsys_mainloop_shutdown(void)
{
tor_mainloop_free_all();
}
/** Declare a list of state variables for mainloop state. */
#define CONF_CONTEXT TABLE
#include "core/mainloop/mainloop_state.inc"
#undef CONF_CONTEXT
/** Magic number for mainloop state objects */
#define MAINLOOP_STATE_MAGIC 0x59455449
/**
* Format object for mainloop state.
**/
static config_format_t mainloop_state_fmt = {
.size = sizeof(mainloop_state_t),
.magic = { "mainloop_state",
MAINLOOP_STATE_MAGIC,
offsetof(mainloop_state_t, magic)
},
.vars = mainloop_state_t_vars,
};
/**
*/
static int
mainloop_set_state(void *arg)
{
const mainloop_state_t *state = arg;
tor_assert(state->magic == MAINLOOP_STATE_MAGIC);
netstatus_load_from_state(state, approx_time());
return 0;
}
static int
mainloop_flush_state(void *arg)
{
mainloop_state_t *state = arg;
tor_assert(state->magic == MAINLOOP_STATE_MAGIC);
netstatus_flush_to_state(state, approx_time());
return 0;
}
const struct subsys_fns_t sys_mainloop = {
.name = "mainloop",
SUBSYS_DECLARE_LOCATION(),
.supported = true,
.level = 5,
.initialize = subsys_mainloop_initialize,
.shutdown = subsys_mainloop_shutdown,
.state_format = &mainloop_state_fmt,
.set_state = mainloop_set_state,
.flush_state = mainloop_flush_state,
};
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