/** @internal
*
* Change or query ownership of the port object.
*
* @param self pointer to a port object
* @param op operation
*
* @ERRORS
* @ERROR EALREADY port already has an owner (or has no owner)
*/
int su_pthread_port_thread(su_port_t *self, enum su_port_thread_op op)
{
pthread_t me = pthread_self();
switch (op) {
case su_port_thread_op_is_obtained:
if (self->sup_thread == 0)
return 0; /* No thread has obtained the port */
else if (pthread_equal(self->sup_tid, me))
return 2; /* Current thread has obtained the port */
else
return 1; /* A thread has obtained the port */
case su_port_thread_op_release:
if (!self->sup_thread || !pthread_equal(self->sup_tid, me))
return errno = EALREADY, -1;
self->sup_thread = 0;
pthread_mutex_unlock(self->sup_obtained);
return 0;
case su_port_thread_op_obtain:
su_home_threadsafe(su_port_home(self));
pthread_mutex_lock(self->sup_obtained);
self->sup_tid = me;
self->sup_thread = 1;
return 0;
default:
return errno = ENOSYS, -1;
}
}
/**
* Create a message.
*
* @relatesalso msg_s
*
* @param mc message class
* @param flags message control flags
*/
msg_t *msg_create(msg_mclass_t const *mc, int flags)
{
msg_t *msg = su_home_new(sizeof(*msg) + mc->mc_msize);
if (msg) {
if ((flags & MSG_FLG_THRDSAFE) &&
su_home_threadsafe(msg->m_home) < 0) {
su_home_unref(msg->m_home);
return NULL;
}
msg->m_refs++;
msg->m_tail = &msg->m_chain;
msg->m_addrinfo.ai_addrlen = sizeof(msg->m_addr);
msg->m_addrinfo.ai_addr = &msg->m_addr->su_sa;
msg->m_maxsize = 0;
flags &= MSG_FLG_USERMASK;
msg->m_class = mc;
msg->m_oflags = flags;
msg->m_object = (void *)(msg + 1);
msg->m_object->msg_size = mc->mc_msize;
msg->m_object->msg_flags = mc->mc_flags | flags;
msg->m_object->msg_common->h_class = (void *)mc;
}
return msg;
}
/** @internal
*
* Change or query ownership of the port object.
*
* @param self pointer to a port object
* @param op operation
*
* @ERRORS
* @ERROR EALREADY port already has an owner (or has no owner)
*/
static int su_source_thread(su_port_t *self, enum su_port_thread_op op)
{
GThread *me = g_thread_self();
switch (op) {
case su_port_thread_op_is_obtained:
if (self->sup_tid == me)
return 2;
else if (self->sup_tid)
return 1;
else
return 0;
case su_port_thread_op_release:
if (self->sup_tid != me)
return errno = EALREADY, -1;
self->sup_tid = NULL;
g_static_mutex_unlock(self->sup_obtained);
return 0;
case su_port_thread_op_obtain:
if (su_home_threadsafe(su_port_home(self)) == -1)
return -1;
g_static_mutex_lock(self->sup_obtained);
self->sup_tid = me;
return 0;
default:
return errno = ENOSYS, -1;
}
}
/** Create a resolver cache object.
*
* @param n initial size of cache
*/
sres_cache_t *sres_cache_new(int n)
{
sres_cache_t *cache = su_home_new(sizeof *cache);
if (cache) {
su_home_threadsafe(cache->cache_home);
if (sres_htable_resize(cache->cache_home, cache->cache_hash, n) < 0 ||
sres_heap_resize(cache->cache_home, &cache->cache_heap, 0) < 0)
su_home_unref(cache->cache_home), cache = NULL;
}
return cache;
}
static int test_lock(void)
{
su_home_t home[1] = { SU_HOME_INIT(home) };
BEGIN();
TEST(su_home_mutex_lock(home), -1);
TEST(su_home_mutex_unlock(home), -1);
TEST(su_home_lock(home), -1);
TEST(su_home_trylock(home), -1);
TEST(su_home_unlock(home), -1);
TEST(su_home_init(home), 0);
TEST(su_home_mutex_lock(home), 0);
TEST(su_home_trylock(home), -1);
TEST(su_home_mutex_unlock(home), 0);
TEST(su_home_trylock(home), -1);
TEST(su_home_threadsafe(home), 0);
TEST(su_home_mutex_lock(home), 0);
TEST(su_home_trylock(home), EBUSY);
TEST(su_home_mutex_unlock(home), 0);
TEST(su_home_lock(home), 0);
TEST(su_home_trylock(home), EBUSY);
TEST(su_home_unlock(home), 0);
TEST(su_home_trylock(home), 0);
TEST(su_home_unlock(home), 0);
TEST_VOID(su_home_deinit(home));
END();
}
/** @internal Send an event to the application. */
int nua_stack_event(nua_t *nua, nua_handle_t *nh, msg_t *msg,
nua_event_t event, int status, char const *phrase,
tagi_t const *tags)
{
su_msg_r sumsg = SU_MSG_R_INIT;
size_t e_len, len, xtra, p_len;
if (event == nua_r_ack || event == nua_i_none)
return event;
if (nh == nua->nua_dhandle)
nh = NULL;
if (nua_log->log_level >= 5) {
char const *name = nua_event_name(event) + 4;
char const *p = phrase ? phrase : "";
if (status == 0)
SU_DEBUG_5(("nua(%p): event %s %s\n", (void *)nh, name, p));
else
SU_DEBUG_5(("nua(%p): event %s %u %s\n", (void *)nh, name, status, p));
}
if (event == nua_r_destroy) {
if (msg)
msg_destroy(msg);
if (status >= 200) {
nh_destroy(nua, nh);
}
return event;
}
if ((event > nua_r_authenticate && event <= nua_r_ack)
|| event < nua_i_error
|| (nh && !nh->nh_valid)
|| (nua->nua_shutdown && event != nua_r_shutdown &&
!nua->nua_prefs->ngp_shutdown_events)) {
if (msg)
msg_destroy(msg);
return event;
}
if (tags) {
e_len = offsetof(nua_ee_data_t, ee_data[0].e_tags);
len = tl_len(tags);
xtra = tl_xtra(tags, len);
}
else {
e_len = sizeof(nua_ee_data_t), len = 0, xtra = 0;
}
p_len = phrase ? strlen(phrase) + 1 : 1;
if (su_msg_new(sumsg, e_len + len + xtra + p_len) == 0) {
nua_ee_data_t *ee = su_msg_data(sumsg);
nua_event_data_t *e = ee->ee_data;
void *p;
if (tags) {
tagi_t *t = e->e_tags, *t_end = (tagi_t *)((char *)t + len);
void *b = t_end, *end = (char *)b + xtra;
t = tl_dup(t, tags, &b); p = b;
assert(t == t_end); assert(b == end); (void)end;
}
else
p = e + 1;
ee->ee_nua = nua_stack_ref(nua);
e->e_event = event;
e->e_nh = nh ? nua_handle_ref(nh) : NULL;
e->e_status = status;
e->e_phrase = strcpy(p, phrase ? phrase : "");
if (msg)
e->e_msg = msg, su_home_threadsafe(msg_home(msg));
su_msg_deinitializer(sumsg, nua_event_deinit);
su_msg_send_to(sumsg, nua->nua_client, nua_application_event);
}
return event;
}
/** Test basic memory home operations */
static int test_alloc(void)
{
exhome_t *h0, *h1, *h2, *h3;
su_home_t home[1] = { SU_HOME_INIT(home) };
su_home_t home0[1];
enum { N = 40 };
void *m0[N], *m1[N], *m;
char *c, *c0, *p0, *p1;
int i;
enum { destructed_once = 1 };
int d0, d1a, d1, d2, d3;
BEGIN();
/* su_home_init() was not initializing suh_locks */
memset(home0, 0xff, sizeof home0);
TEST(su_home_init(home0), 0);
TEST_VOID(su_home_deinit(home0));
TEST_1(h0 = su_home_new(sizeof(*h0)));
TEST_1(h1 = su_home_clone(h0->home, sizeof(*h1)));
d0 = d1a = d1 = d2 = d3 = 0;
h0->p = &d0; h1->p = &d1a;
TEST(su_home_destructor(h0->home, exdestructor), 0);
TEST(su_home_destructor(h1->home, exdestructor), 0);
TEST_1(h2 = su_home_ref(h0->home));
su_home_unref(h0->home);
TEST(d0, 0);
for (i = 0; i < 128; i++)
TEST_1(su_alloc(h0->home, 16));
for (i = 0; i < 128; i++)
TEST_1(su_alloc(h1->home, 16));
su_home_unref(h1->home);
TEST(d1a, destructed_once);
TEST_1(h1 = su_home_clone(h0->home, sizeof(*h1)));
TEST(su_home_destructor(h1->home, exdestructor), 0);
h1->p = &d1;
for (i = 0; i < 128; i++)
TEST_1(su_alloc(h1->home, 16));
for (i = 0; i < 128; i++)
TEST_1(su_alloc(h2->home, 16));
su_home_unref(h2->home); /* Should call destructor of cloned home, too */
TEST(d0, destructed_once);
TEST(d1, destructed_once);
TEST_1(h0 = su_home_new(sizeof(*h0)));
TEST_1(h1 = su_home_clone(h0->home, sizeof(*h1)));
TEST_1(h2 = su_home_clone(h1->home, sizeof(*h2)));
TEST_1(h3 = su_home_clone(h2->home, sizeof(*h3)));
TEST(su_home_threadsafe(h0->home), 0);
for (i = 0; i < N; i++) {
TEST_1(m0[i] = su_zalloc(h3->home, 20));
TEST_1(m1[i] = su_zalloc(h2->home, 20));
}
TEST_1(m = su_zalloc(h2->home, 20));
TEST_1(su_in_home(h2->home, m));
TEST_1(!su_in_home(h2->home, (char *)m + 1));
TEST_1(!su_in_home(h2->home, (void *)(intptr_t)su_in_home));
TEST_1(!su_in_home(h3->home, m));
TEST_1(!su_in_home(NULL, m));
TEST_1(!su_in_home(h3->home, NULL));
TEST(su_home_move(home, NULL), 0);
TEST(su_home_move(NULL, home), 0);
TEST(su_home_move(home, h3->home), 0);
TEST(su_home_move(h2->home, h3->home), 0);
TEST(su_home_move(h1->home, h2->home), 0);
su_home_preload(home, 1, 1024 + 2 * 8);
TEST_1(c = su_zalloc(home, 64)); p0 = c; p1 = c + 1024;
c0 = c;
TEST_P(c = su_realloc(home, c0, 127), c0);
TEST_1(c = c0 = su_zalloc(home, 1024 - 128));
TEST_1(p0 <= c); TEST_1(c < p1);
TEST_P(c = su_realloc(home, c, 128), c0);
TEST_P(c = su_realloc(home, c, 1023 - 128), c0);
TEST_P(c = su_realloc(home, c, 1024 - 128), c0);
TEST_1(c = su_realloc(home, c, 1024));
TEST_1(c = su_realloc(home, c, 2 * 1024));
TEST_P(c = su_realloc(home, p0, 126), p0);
TEST_1(c = su_realloc(home, p0, 1024));
TEST_P(c = su_realloc(home, c, 0), NULL);
su_home_check(home);
su_home_deinit(home);
su_home_check(h2->home);
su_home_zap(h2->home);
su_home_check(h0->home);
su_home_zap(h0->home);
{
su_home_t h1[1];
memset(h1, 0, sizeof h1);
TEST(su_home_init(h1), 0);
TEST(su_home_threadsafe(h1), 0);
TEST_1(su_home_ref(h1));
TEST_1(su_home_ref(h1));
TEST(su_home_destructor(h1, test_destructor), 0);
TEST_1(!su_home_unref(h1));
TEST_1(!su_home_unref(h1));
TEST_1(su_home_unref(h1));
TEST(h1->suh_size, 13);
}
/* Test su_home_parent() */
TEST_1(h0 = su_home_new(sizeof *h0));
TEST_1(h1 = su_home_clone(h0->home, sizeof *h1));
TEST_1(h2 = su_home_clone(h1->home, sizeof *h2));
TEST_1(h3 = su_home_clone(h2->home, sizeof *h3));
TEST_P(su_home_parent(h0->home), NULL);
TEST_P(su_home_parent(h1->home), h0);
TEST_P(su_home_parent(h2->home), h1);
TEST_P(su_home_parent(h3->home), h2);
TEST(su_home_move(h0->home, h1->home), 0);
TEST_P(su_home_parent(h2->home), h0);
TEST_P(su_home_parent(h3->home), h2);
TEST(su_home_move(h0->home, h2->home), 0);
TEST_P(su_home_parent(h3->home), h0);
su_home_move(NULL, h0->home);
TEST_P(su_home_parent(h0->home), NULL);
TEST_P(su_home_parent(h1->home), NULL);
TEST_P(su_home_parent(h2->home), NULL);
TEST_P(su_home_parent(h3->home), NULL);
su_home_unref(h0->home);
su_home_unref(h1->home);
su_home_unref(h2->home);
su_home_unref(h3->home);
END();
}