/** Process msg statefully using the leg. */
int nta_leg_stateful(nta_leg_t *leg, msg_t *msg)
{
su_msg_r su_msg = SU_MSG_RINITIALIZER;
nta_agent_t *agent = leg->leg_agent;
su_root_t *root = agent->sa_root;
struct leg_recv_s *a;
/* Create a su message that is passed to NTA network thread */
if (su_msg_create(su_msg,
su_root_task(root),
su_root_task(root),
sm_leg_recv, /* Function to call */
sizeof(struct leg_recv_s)) == SU_FAILURE)
return -1;
agent->sa_stats->as_trless_to_tr++;
a = su_msg_data(su_msg)->a_leg_recv;
a->leg = leg;
a->msg = msg;
a->tport = tport_incref(tport_delivered_by(agent->sa_tports, msg));
return su_msg_send(su_msg);
}
/** Wait for the pthread clone to exit.
* @internal
*
* Called by su_port_wait() and su_clone_wait().
*/
void su_pthread_port_wait(su_clone_r rclone)
{
su_port_t *clone, *parent;
struct su_pthread_port_waiting_parent mom[1];
pthread_t tid;
assert(*rclone);
clone = su_msg_to(rclone)->sut_port;
parent = su_msg_from(rclone)->sut_port;
if (clone == parent) {
su_base_port_wait(rclone);
return;
}
assert(parent); assert(clone);
assert(rclone[0]->sum_func == su_pthread_port_clone_break);
#if 0
assert(!clone->sup_paused);
#endif
tid = clone->sup_tid;
if (!clone->sup_thread) { /* Already died */
su_msg_destroy(rclone);
pthread_join(tid, NULL);
return;
}
pthread_mutex_init(mom->deinit, NULL);
pthread_mutex_lock(mom->deinit);
pthread_cond_init(mom->cv, NULL);
pthread_mutex_init(mom->mutex, NULL);
pthread_mutex_lock(mom->mutex);
mom->waiting = 1;
clone->sup_waiting_parent = mom;
su_msg_send(rclone);
while (mom->waiting)
pthread_cond_wait(mom->cv, mom->mutex);
/* Run all messages from clone */
while (su_port_getmsgs_from(parent, clone))
;
/* Allow clone thread to exit */
pthread_mutex_unlock(mom->deinit);
pthread_join(tid, NULL);
pthread_mutex_destroy(mom->deinit);
pthread_mutex_unlock(mom->mutex);
pthread_mutex_destroy(mom->mutex);
pthread_cond_destroy(mom->cv);
}
void nw_changed_cb(SCDynamicStoreRef store,
CFArrayRef changedKeys,
void *info)
{
su_network_changed_t *snc = (su_network_changed_t *) info;
su_network_changed_t *snc2;
su_msg_r rmsg = SU_MSG_R_INIT;
SU_DEBUG_7(("nw_changed_cb: entering.\n"));
if (su_msg_create(rmsg,
su_root_task(snc->su_root),
su_root_task(snc->su_root),
su_nw_changed_msg_recv,
sizeof *snc) == SU_FAILURE) {
return;
}
snc2 = su_msg_data(rmsg); assert(snc2);
snc2->su_root = snc->su_root;
snc2->su_home = snc->su_home;
memcpy(snc2->su_storeRef, snc->su_storeRef, sizeof(SCDynamicStoreRef));
memcpy(snc2->su_sourceRef, snc->su_sourceRef, sizeof(CFRunLoopSourceRef));
snc2->su_os_thread = snc->su_os_thread;
snc2->su_network_changed_cb = snc->su_network_changed_cb;
snc2->su_network_changed_magic = snc->su_network_changed_magic;
if (su_msg_send(rmsg) == SU_FAILURE) {
su_msg_destroy(rmsg);
return;
}
return;
}
/** Pause a port.
*
* Obtain an exclusive lock on port's private data.
*
* @retval 0 if successful (and clone is paused)
* @retval -1 upon an error
*/
int su_pthread_port_pause(su_port_t *self)
{
su_msg_r m = SU_MSG_R_INIT;
_su_task_t task[1] = {{ self, NULL }};
if (su_msg_create(m, task, su_task_null, su_pthread_port_paused, 0) < 0)
return -1;
if (su_msg_send(m) < 0)
return -1;
if (pthread_mutex_lock(self->sup_runlock) < 0)
return -1;
return 0;
}
/** Execute the @a function by a pthread @a task.
*
* @retval 0 if successful
* @retval -1 upon an error
*
* @sa su_task_execute()
*
* @internal
*/
int su_pthread_port_execute(su_task_r const task,
int (*function)(void *), void *arg,
int *return_value)
{
int success;
su_msg_r m = SU_MSG_R_INIT;
#if HAVE_OPEN_C
struct su_pthread_port_execute frame = {
{ PTHREAD_MUTEX_INITIALIZER },
{ _ENeedsNormalInit, NULL },
NULL, NULL, 0
};
frame.function = function;
frame.arg = arg;
#else
struct su_pthread_port_execute frame = {
{ PTHREAD_MUTEX_INITIALIZER },
{ PTHREAD_COND_INITIALIZER },
function, arg, 0
};
#endif
if (su_msg_create(m, task, su_task_null,
_su_pthread_port_execute, (sizeof &frame)) < 0)
return -1;
*(struct su_pthread_port_execute **)su_msg_data(m) = &frame;
pthread_mutex_lock(frame.mutex);
success = su_msg_send(m);
if (success == 0)
while (frame.function)
pthread_cond_wait(frame.cond, frame.mutex);
else
su_msg_destroy(m);
pthread_mutex_unlock(frame.mutex);
pthread_mutex_destroy(frame.mutex);
pthread_cond_destroy(frame.cond);
if (return_value)
*return_value = frame.value;
return success;
}
static void delayed_auth_method(auth_mod_t *am,
auth_status_t *as,
msg_auth_t *auth,
auth_challenger_t const *ach)
{
auth_plugin_t *ap = AUTH_PLUGIN(am);
su_msg_r mamc = SU_MSG_R_INIT;
auth_splugin_t *asp;
if (su_msg_create(mamc,
su_root_task(ap->ap_root),
su_root_task(ap->ap_root),
delayed_auth_method_recv,
sizeof *asp) == SU_FAILURE) {
as->as_status = 500;
as->as_phrase = "Asynchronous authentication failure";
return;
}
asp = su_msg_data(mamc); assert(asp);
asp->asp_cookie = delayed_asp_cookie;
asp->asp_am = am;
asp->asp_as = as;
asp->asp_header = auth;
asp->asp_ach = ach;
asp->asp_canceled = 0;
if (su_msg_send(mamc) == SU_FAILURE) {
su_msg_destroy(mamc);
as->as_status = 500;
as->as_phrase = "Asynchronous authentication failure";
return;
}
as->as_plugin = asp;
as->as_status = 100;
as->as_phrase = "Trying";
return;
}
/** Send a delivery report.
*
* If the sender has attached a delivery report function to message with
* su_msg_report(), the message is returned to the message queue of the
* sending task. The sending task calls the delivery report function when it
* has received the message.
*/
void su_msg_delivery_report(su_msg_r rmsg)
{
su_task_r swap;
if (!rmsg || !rmsg[0])
return;
if (!rmsg[0]->sum_report) {
su_msg_destroy(rmsg);
return;
}
*swap = *rmsg[0]->sum_from;
*rmsg[0]->sum_from = *rmsg[0]->sum_to;
*rmsg[0]->sum_to = *swap;
rmsg[0]->sum_func = rmsg[0]->sum_report;
rmsg[0]->sum_report = NULL;
su_msg_send(rmsg);
}
static RETSIGTYPE intr_handler(int signum)
{
su_msg_send(intr_msg);
}
