void
NeubotPoller_break_loop(struct NeubotPoller *self)
{
(void) self;
event_loopbreak();
}
static void
snmp_write_cb(const int sock, short int which, void *arg)
{
struct send_data_entry * entry;
if (!TAILQ_EMPTY(&send_queue_head)) {
entry = TAILQ_FIRST(&send_queue_head);
/* Send the data back to the client */
if (sendto(sock, entry->buf, entry->len, 0, (struct sockaddr *) entry->client_sin, sizeof(struct sockaddr_in)) == -1) {
perror("sendto()");
event_loopbreak();
}
TAILQ_REMOVE(&send_queue_head, entry, entries);
free(entry->buf);
free(entry->client_sin);
free(entry);
/* Free send event */
event_free(snmp_send_event);
/* if there is other data to be sent, register another EV_WRITE event */
if (!TAILQ_EMPTY(&send_queue_head)) {
snmp_send_event = event_new(event_base, sock, EV_WRITE, snmp_write_cb, NULL);
event_add(snmp_send_event, NULL);
}
}
}
void
LEDSequencer::eventAction( uint32_t EventID )
{
struct timeval CLOCK_TV;
//std::cout << "LEDSequencer::eventAction" << std::endl;
if( leds == NULL )
return;
// Immediately apply any update if necessary so
// the we get it as close to the 100ms boundary
// as possible.
leds->processUpdates();
if( cfgNode == NULL )
return;
// Get a timestamp for the sequencer to key off of if necessary
if( gettimeofday( &CLOCK_TV, NULL ) )
{
perror("gettimeofday()");
event_loopbreak();
}
// Perform sequence updates
cfgNode->updateSequence( &CLOCK_TV, leds );
}
void stop_cb(int fd, short events, void *arg)
#endif
{
log_msg(LOG_DEBUG, "Received signal (%d), %s", fd, sys_siglist[fd]);
#if HAVE_LIBEVENT2
event_base_loopbreak(cfg.eb);
#else
event_loopbreak();
#endif
}
/**
* signal_handler - signal handler
*/
void signal_handler(int sig)
{
switch (sig) {
#ifndef __WIN32
case SIGHUP:
case SIGQUIT:
#endif
case SIGTERM:
case SIGINT:
//终止侦听event_dispatch()的事件侦听循环，执行之后的代码
event_loopbreak();
break;
}
}
static void
unprivileged_signal_handler(int sig, short ev, void *arg)
{
(void) ev; (void) arg;
switch (sig) {
case SIGPIPE:
break;
case SIGCHLD:
if (waitpid(privileged_pid, &privileged_exit_code, WNOHANG) ==
privileged_pid) {
if (privileged_exit_code)
log_warnx("privileged child died with %d",
privileged_exit_code);
event_loopbreak();
}
break;
case SIGHUP:
break;
default:
event_loopbreak();
break;
}
}
void evt_server_stop()
{
if (event_loopexit(&min_time) != 0) {
event_loopbreak();
}
if (pool.nr > 0) {
int i;
for (i = 0; i < pool.nr; ++i) {
cq_push_back(&pool.conns[i], -1, 0, NULL);
while (pool.conns[i].size > 1) {
usleep(THREAD_POLL_TIME);
}
}
free(pool.conns);
}
freeaddrinfo(serv.ai);
}
void
HeartbeatEventSource::afterObservers( const int arg1, short int which )
{
struct timeval CLOCK_TV;
struct timeval NEW_TV;
struct timeval TIMER_TV = {1, 0};
//std::cout << "TimerEventSource::afterObservers" << std::endl;
// Get the current time.
if( gettimeofday( &CLOCK_TV, NULL ) )
{
perror("gettimeofday()");
event_loopbreak();
}
//printf( "timer cb: %d, %d\n", CLOCK_TV.tv_sec, CLOCK_TV.tv_usec );
// Calculate the time to the next 100ms boundary
NEW_TV.tv_usec = ( ( CLOCK_TV.tv_usec / 1000 ) * 1000 ) + 1000;
NEW_TV.tv_sec = CLOCK_TV.tv_sec;
while( NEW_TV.tv_usec >= 1000000 )
{
NEW_TV.tv_usec -= 1000000;
NEW_TV.tv_sec += 1;
}
//printf( "new time: %d, %d\n", NEW_TV.tv_sec, NEW_TV.tv_usec );
if( NEW_TV.tv_usec == 0 )
{
TIMER_TV.tv_sec = NEW_TV.tv_sec - CLOCK_TV.tv_sec - 1;
TIMER_TV.tv_usec = 1000000 - CLOCK_TV.tv_usec;
}
else
{
TIMER_TV.tv_sec = NEW_TV.tv_sec - CLOCK_TV.tv_sec;
TIMER_TV.tv_usec = NEW_TV.tv_usec - CLOCK_TV.tv_usec;
}
//printf( "new inc: %d, %d\n", TIMER_TV.tv_sec, TIMER_TV.tv_usec );
// Wake up again in a little bit.
evtimer_add( getEventPtr(), &TIMER_TV );
}
void
HeartbeatEventSource::beforeObservers( const int arg1, short int which )
{
#if 0
struct timeval CLOCK_TV;
std::cout << "TimerEventSource::beforeObservers" << std::endl;
if( gettimeofday( &CLOCK_TV, NULL ) )
{
perror("gettimeofday()");
event_loopbreak();
}
printf( "timer cb: %d, %d\n", CLOCK_TV.tv_sec, CLOCK_TV.tv_usec );
#endif
}
static void
snmp_read_cb(const int sock, short int which, void *arg)
{
socklen_t server_sz = sizeof(struct sockaddr_in);
int len;
uint8_t * buf;
buf = xmalloc(TRANS_BUF_SIZ);
client_sin = xmalloc(server_sz);
/* Receive UDP data, store the address of the sender in client_sin */
len = recvfrom(sock, buf, TRANS_BUF_SIZ, 0, (struct sockaddr *)client_sin, &server_sz);
if (len == -1) {
perror("recvfrom()");
event_loopbreak();
}
/* Parse SNMP PDU in decoder */
snmp_prot_ops.receive(buf, len);
}
void
signal_handler(int sig) {
switch(sig) {
case SIGHUP:
ini_parse(&Ctx);
tolog(&Ctx, LOG_ERROR, "server restarted ");
evhttp_free(httpd);
httpd = evhttp_start(Ctx.bind, Ctx.port);
evhttp_set_gencb(httpd, http_handler, NULL);
event_dispatch();
break;
case SIGTERM:
case SIGINT:
event_loopbreak();
break;
default:
//syslog(LOG_WARNING, "Unhandled signal (%d) %s", strsignal(sig));
break;
}
}
void fpm_event_exit_loop()
{
event_loopbreak();
}
static void termination_handler(int signum)
{
event_loopbreak();
}
static void terminate(int sig, short what, void *_arg)
{
if (event_loopbreak() != 0)
log_error(LOG_WARNING, "event_loopbreak");
}
void error_cb(int status_code, void *cb_arg)
{
event_loopbreak();
}
static void
state_machine_handler(int fd __attribute__((unused)), short event, void *arg)
{
struct state_data *sd= arg;
int status;
again:
switch(sd->ST)
{
case 0:
/* Initial state, start making the connection. */
status= mysql_real_connect_start(&sd->ret, &sd->mysql, opt_host, opt_user, opt_password, opt_db, opt_port, opt_socket, 0);
if (status)
/* Wait for connect to complete. */
next_event(1, status, sd);
else
NEXT_IMMEDIATE(sd, 9);
break;
case 1:
status= mysql_real_connect_cont(&sd->ret, &sd->mysql, mysql_status(event));
if (status)
next_event(1, status, sd);
else
NEXT_IMMEDIATE(sd, 9);
break;
case 9:
if (!sd->ret)
fatal(sd, "Failed to mysql_real_connect()");
NEXT_IMMEDIATE(sd, 10);
break;
case 10:
/* Now run the next query. */
sd->query_element= query_list;
if (!sd->query_element)
{
/* No more queries, end the connection. */
NEXT_IMMEDIATE(sd, 40);
}
query_list= query_list->next;
sd->index= sd->query_element->index;
printf("%d ! %s\n", sd->index, sd->query_element->query);
status= mysql_real_query_start(&sd->err, &sd->mysql, sd->query_element->query,
strlen(sd->query_element->query));
if (status)
next_event(11, status, sd);
else
NEXT_IMMEDIATE(sd, 20);
break;
case 11:
status= mysql_real_query_cont(&sd->err, &sd->mysql, mysql_status(event));
if (status)
next_event(11, status, sd);
else
NEXT_IMMEDIATE(sd, 20);
break;
case 20:
my_free(sd->query_element->query);
my_free(sd->query_element);
if (sd->err)
{
printf("%d | Error: %s\n", sd->index, mysql_error(&sd->mysql));
NEXT_IMMEDIATE(sd, 10);
}
else
{
sd->result= mysql_use_result(&sd->mysql);
if (!sd->result)
fatal(sd, "mysql_use_result() returns error");
NEXT_IMMEDIATE(sd, 30);
}
break;
case 30:
status= mysql_fetch_row_start(&sd->row, sd->result);
if (status)
next_event(31, status, sd);
else
NEXT_IMMEDIATE(sd, 39);
break;
case 31:
status= mysql_fetch_row_cont(&sd->row, sd->result, mysql_status(event));
if (status)
next_event(31, status, sd);
else
NEXT_IMMEDIATE(sd, 39);
break;
case 39:
if (sd->row)
{
/* Got a row. */
unsigned int i;
printf("%d - ", sd->index);
for (i= 0; i < mysql_num_fields(sd->result); i++)
printf("%s%s", (i ? "\t" : ""), (sd->row[i] ? sd->row[i] : "(null)"));
printf ("\n");
NEXT_IMMEDIATE(sd, 30);
}
else
{
if (mysql_errno(&sd->mysql))
{
/* An error occured. */
printf("%d | Error: %s\n", sd->index, mysql_error(&sd->mysql));
}
else
{
/* EOF. */
printf("%d | EOF\n", sd->index);
}
mysql_free_result(sd->result);
NEXT_IMMEDIATE(sd, 10);
}
break;
case 40:
status= mysql_close_start(&sd->mysql);
if (status)
next_event(41, status, sd);
else
NEXT_IMMEDIATE(sd, 50);
break;
case 41:
status= mysql_close_cont(&sd->mysql, mysql_status(event));
if (status)
next_event(41, status, sd);
else
NEXT_IMMEDIATE(sd, 50);
break;
case 50:
/* We are done! */
num_active_connections--;
if (num_active_connections == 0)
event_loopbreak();
break;
default:
abort();
}
}
void c_basis::loopbreak()
{
event_loopbreak();
}