static void producer_thread(void *arg) {
test_thread_options *opt = arg;
int i;
gpr_log(GPR_INFO, "producer %d started", opt->id);
gpr_event_set(&opt->on_started, (void *)(gpr_intptr) 1);
GPR_ASSERT(gpr_event_wait(opt->phase1, ten_seconds_time()));
gpr_log(GPR_INFO, "producer %d phase 1", opt->id);
for (i = 0; i < TEST_THREAD_EVENTS; i++) {
grpc_cq_begin_op(opt->cc, NULL, GRPC_WRITE_ACCEPTED);
}
gpr_log(GPR_INFO, "producer %d phase 1 done", opt->id);
gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr) 1);
GPR_ASSERT(gpr_event_wait(opt->phase2, ten_seconds_time()));
gpr_log(GPR_INFO, "producer %d phase 2", opt->id);
for (i = 0; i < TEST_THREAD_EVENTS; i++) {
grpc_cq_end_write_accepted(opt->cc, (void *)(gpr_intptr) 1, NULL, NULL,
NULL, GRPC_OP_OK);
opt->events_triggered++;
}
gpr_log(GPR_INFO, "producer %d phase 2 done", opt->id);
gpr_event_set(&opt->on_finished, (void *)(gpr_intptr) 1);
}
static void consumer_thread(void *arg) {
test_thread_options *opt = arg;
grpc_event *ev;
gpr_log(GPR_INFO, "consumer %d started", opt->id);
gpr_event_set(&opt->on_started, (void *)(gpr_intptr) 1);
GPR_ASSERT(gpr_event_wait(opt->phase1, ten_seconds_time()));
gpr_log(GPR_INFO, "consumer %d phase 1", opt->id);
gpr_log(GPR_INFO, "consumer %d phase 1 done", opt->id);
gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr) 1);
GPR_ASSERT(gpr_event_wait(opt->phase2, ten_seconds_time()));
gpr_log(GPR_INFO, "consumer %d phase 2", opt->id);
for (;;) {
ev = grpc_completion_queue_next(opt->cc, ten_seconds_time());
GPR_ASSERT(ev);
switch (ev->type) {
case GRPC_WRITE_ACCEPTED:
GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK);
opt->events_triggered++;
grpc_event_finish(ev);
break;
case GRPC_QUEUE_SHUTDOWN:
gpr_log(GPR_INFO, "consumer %d phase 2 done", opt->id);
gpr_event_set(&opt->on_finished, (void *)(gpr_intptr) 1);
grpc_event_finish(ev);
return;
default:
gpr_log(GPR_ERROR, "Invalid event received: %d", ev->type);
abort();
}
}
}
static void producer_thread(void *arg) {
test_thread_options *opt = arg;
int i;
gpr_log(GPR_INFO, "producer %d started", opt->id);
gpr_event_set(&opt->on_started, (void *)(gpr_intptr)1);
GPR_ASSERT(gpr_event_wait(opt->phase1, ten_seconds_time()));
gpr_log(GPR_INFO, "producer %d phase 1", opt->id);
for (i = 0; i < TEST_THREAD_EVENTS; i++) {
grpc_cq_begin_op(opt->cc);
}
gpr_log(GPR_INFO, "producer %d phase 1 done", opt->id);
gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr)1);
GPR_ASSERT(gpr_event_wait(opt->phase2, ten_seconds_time()));
gpr_log(GPR_INFO, "producer %d phase 2", opt->id);
for (i = 0; i < TEST_THREAD_EVENTS; i++) {
grpc_cq_end_op(opt->cc, (void *)(gpr_intptr)1, 1, free_completion, NULL,
gpr_malloc(sizeof(grpc_cq_completion)));
opt->events_triggered++;
}
gpr_log(GPR_INFO, "producer %d phase 2 done", opt->id);
gpr_event_set(&opt->on_finished, (void *)(gpr_intptr)1);
}
static void consumer_thread(void *arg) {
test_thread_options *opt = arg;
grpc_event ev;
gpr_log(GPR_INFO, "consumer %d started", opt->id);
gpr_event_set(&opt->on_started, (void *)(gpr_intptr)1);
GPR_ASSERT(gpr_event_wait(opt->phase1, ten_seconds_time()));
gpr_log(GPR_INFO, "consumer %d phase 1", opt->id);
gpr_log(GPR_INFO, "consumer %d phase 1 done", opt->id);
gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr)1);
GPR_ASSERT(gpr_event_wait(opt->phase2, ten_seconds_time()));
gpr_log(GPR_INFO, "consumer %d phase 2", opt->id);
for (;;) {
ev = grpc_completion_queue_next(opt->cc, ten_seconds_time(), NULL);
switch (ev.type) {
case GRPC_OP_COMPLETE:
GPR_ASSERT(ev.success);
opt->events_triggered++;
break;
case GRPC_QUEUE_SHUTDOWN:
gpr_log(GPR_INFO, "consumer %d phase 2 done", opt->id);
gpr_event_set(&opt->on_finished, (void *)(gpr_intptr)1);
return;
case GRPC_QUEUE_TIMEOUT:
gpr_log(GPR_ERROR, "Invalid timeout received");
abort();
}
}
}
void test_times_out(void) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);
int svr_fd;
#define NUM_CLIENT_CONNECTS 10
int client_fd[NUM_CLIENT_CONNECTS];
int i;
int r;
gpr_event ev;
gpr_timespec connect_deadline;
gpr_event_init(&ev);
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
/* create a dummy server */
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
GPR_ASSERT(0 == listen(svr_fd, 1));
/* Get its address */
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
/* tie up the listen buffer, which is somewhat arbitrarily sized. */
for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
client_fd[i] = socket(AF_INET, SOCK_STREAM, 0);
grpc_set_socket_nonblocking(client_fd[i], 1);
do {
r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len);
} while (r == -1 && errno == EINTR);
GPR_ASSERT(r < 0);
GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS);
}
/* connect to dummy server address */
connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1);
grpc_tcp_client_connect(must_fail, &ev, (struct sockaddr *)&addr, addr_len,
connect_deadline);
/* Make sure the event doesn't trigger early */
GPR_ASSERT(!gpr_event_wait(&ev, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(500)));
/* Now wait until it should have triggered */
sleep(1);
/* wait for the connection callback to finish */
GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
close(svr_fd);
for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
close(client_fd[i]);
}
}
static void test_thread(void *args) {
thd_args *a = args;
gpr_event_wait(a->start, gpr_inf_future(GPR_CLOCK_REALTIME));
for (size_t i = 1; i <= THREAD_ITERATIONS; i++) {
gpr_mpscq_push(a->q, &new_node(i, &a->ctr)->node);
}
}
void test_succeeds(void) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);
int svr_fd;
int r;
gpr_event ev;
gpr_event_init(&ev);
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
/* create a dummy server */
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
GPR_ASSERT(0 == listen(svr_fd, 1));
/* connect to it */
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
grpc_tcp_client_connect(must_succeed, &ev, (struct sockaddr *)&addr, addr_len,
gpr_inf_future);
/* await the connection */
do {
addr_len = sizeof(addr);
r = accept(svr_fd, (struct sockaddr *)&addr, &addr_len);
} while (r == -1 && errno == EINTR);
GPR_ASSERT(r >= 0);
close(r);
/* wait for the connection callback to finish */
GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
}
static void run_test(const char *response_payload,
size_t response_payload_length,
grpc_status_code expected_status,
const char *expected_detail) {
test_tcp_server test_server;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_event ev;
grpc_init();
gpr_event_init(&ev);
server_port = grpc_pick_unused_port_or_die();
test_tcp_server_init(&test_server, on_connect, &test_server);
test_tcp_server_start(&test_server, server_port);
state.response_payload = response_payload;
state.response_payload_length = response_payload_length;
/* poll server until sending out the response */
poll_server_until_read_done(&test_server, &ev);
start_rpc(server_port, expected_status, expected_detail);
gpr_event_wait(&ev, gpr_inf_future(GPR_CLOCK_REALTIME));
/* clean up */
grpc_endpoint_shutdown(&exec_ctx, state.tcp);
grpc_endpoint_destroy(&exec_ctx, state.tcp);
grpc_exec_ctx_finish(&exec_ctx);
cleanup_rpc();
test_tcp_server_destroy(&test_server);
grpc_shutdown();
}
static void shutdown_during_write_test(grpc_endpoint_test_config config,
size_t slice_size) {
/* test that shutdown with a pending write creates no leaks */
gpr_timespec deadline;
size_t size;
size_t nblocks;
int current_data = 1;
shutdown_during_write_test_state read_st;
shutdown_during_write_test_state write_st;
gpr_slice *slices;
grpc_endpoint_test_fixture f = begin_test(config, __FUNCTION__, slice_size);
gpr_log(GPR_INFO, "testing shutdown during a write");
read_st.ep = f.client_ep;
write_st.ep = f.server_ep;
gpr_event_init(&read_st.ev);
gpr_event_init(&write_st.ev);
grpc_endpoint_notify_on_read(
read_st.ep, shutdown_during_write_test_read_handler, &read_st);
for (size = 1;; size *= 2) {
slices = allocate_blocks(size, 1, &nblocks, ¤t_data);
switch (grpc_endpoint_write(write_st.ep, slices, nblocks,
shutdown_during_write_test_write_handler,
&write_st)) {
case GRPC_ENDPOINT_WRITE_DONE:
break;
case GRPC_ENDPOINT_WRITE_ERROR:
gpr_log(GPR_ERROR, "error writing");
abort();
case GRPC_ENDPOINT_WRITE_PENDING:
grpc_endpoint_shutdown(write_st.ep);
deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
GPR_ASSERT(gpr_event_wait(&write_st.ev, deadline));
grpc_endpoint_destroy(write_st.ep);
GPR_ASSERT(gpr_event_wait(&read_st.ev, deadline));
gpr_free(slices);
end_test(config);
return;
}
gpr_free(slices);
}
gpr_log(GPR_ERROR, "should never reach here");
abort();
}
void grpc_iocp_shutdown(void) {
BOOL success;
gpr_event_set(&g_shutdown_iocp, (void *)1);
grpc_iocp_kick();
gpr_event_wait(&g_iocp_done, gpr_inf_future(GPR_CLOCK_REALTIME));
success = CloseHandle(g_iocp);
GPR_ASSERT(success);
}
void grpc_iomgr_shutdown(void) {
grpc_iomgr_object *obj;
grpc_iomgr_closure *closure;
gpr_timespec shutdown_deadline =
gpr_time_add(gpr_now(), gpr_time_from_seconds(10));
gpr_mu_lock(&g_mu);
g_shutdown = 1;
while (g_cbs_head || g_root_object.next != &g_root_object) {
size_t nobjs = count_objects();
gpr_log(GPR_DEBUG, "Waiting for %d iomgr objects to be destroyed%s", nobjs,
g_cbs_head ? " and executing final callbacks" : "");
if (g_cbs_head) {
do {
closure = g_cbs_head;
g_cbs_head = closure->next;
if (!g_cbs_head) g_cbs_tail = NULL;
gpr_mu_unlock(&g_mu);
closure->cb(closure->cb_arg, 0);
gpr_mu_lock(&g_mu);
} while (g_cbs_head);
continue;
}
if (nobjs > 0) {
int timeout = 0;
gpr_timespec short_deadline = gpr_time_add(gpr_now(),
gpr_time_from_millis(100));
while (gpr_cv_wait(&g_rcv, &g_mu, short_deadline) && g_cbs_head == NULL) {
if (gpr_time_cmp(gpr_now(), shutdown_deadline) > 0) {
timeout = 1;
break;
}
}
if (timeout) {
gpr_log(GPR_DEBUG,
"Failed to free %d iomgr objects before shutdown deadline: "
"memory leaks are likely",
count_objects());
for (obj = g_root_object.next; obj != &g_root_object; obj = obj->next) {
gpr_log(GPR_DEBUG, "LEAKED OBJECT: %s", obj->name);
}
break;
}
}
}
gpr_mu_unlock(&g_mu);
grpc_kick_poller();
gpr_event_wait(&g_background_callback_executor_done, gpr_inf_future);
grpc_iomgr_platform_shutdown();
grpc_alarm_list_shutdown();
gpr_mu_destroy(&g_mu);
gpr_cv_destroy(&g_rcv);
}
static void test_initial_string(test_tcp_server *server, int secure) {
gpr_event ev;
gpr_event_init(&ev);
grpc_test_set_initial_connect_string_function(set_magic_initial_string);
poll_server_until_read_done(server, &ev);
start_rpc(secure, server_port);
gpr_event_wait(&ev, gpr_inf_future(GPR_CLOCK_REALTIME));
match_initial_magic_string(&state.incoming_buffer);
cleanup_rpc();
}
void grpc_iocp_shutdown(void) {
BOOL success;
gpr_event_set(&g_shutdown_iocp, (void *)1);
success = PostQueuedCompletionStatus(g_iocp, 0,
(ULONG_PTR) &g_iocp_kick_token,
&g_iocp_custom_overlap);
GPR_ASSERT(success);
gpr_event_wait(&g_iocp_done, gpr_inf_future);
success = CloseHandle(g_iocp);
GPR_ASSERT(success);
}
static void test_unparseable_hostports(void) {
const char* const kCases[] = {
"[", "[::1", "[::1]bad", "[1.2.3.4]", "[localhost]", "[localhost]:1",
};
unsigned i;
for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) {
gpr_event ev;
gpr_event_init(&ev);
grpc_resolve_address(kCases[i], "1", must_fail, &ev);
GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
}
}
static void test_invalid_ip_addresses(void) {
const char* const kCases[] = {
"293.283.1238.3:1", "[2001:db8::11111]:1",
};
unsigned i;
for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) {
gpr_event ev;
gpr_event_init(&ev);
grpc_resolve_address(kCases[i], NULL, must_fail, &ev);
GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
}
}
static void test_ipv6_without_port(void) {
const char* const kCases[] = {
"2001:db8::1", "2001:db8::1.2.3.4", "[2001:db8::1]",
};
unsigned i;
for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) {
gpr_event ev;
gpr_event_init(&ev);
grpc_resolve_address(kCases[i], "80", must_succeed, &ev);
GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
}
}
// interleave waiting for an event with a timer check
static bool wait_loop(int deadline_seconds, gpr_event *ev) {
while (deadline_seconds) {
gpr_log(GPR_DEBUG, "Test: waiting for %d more seconds", deadline_seconds);
if (gpr_event_wait(ev, grpc_timeout_seconds_to_deadline(1))) return true;
deadline_seconds--;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_timer_check(&exec_ctx, gpr_now(GPR_CLOCK_MONOTONIC), NULL);
grpc_exec_ctx_finish(&exec_ctx);
}
return false;
}
static void test_initial_string_with_redirect(test_tcp_server *server,
int secure) {
gpr_event ev;
gpr_event_init(&ev);
int another_port = grpc_pick_unused_port_or_die();
grpc_test_set_initial_connect_string_function(
reset_addr_and_set_magic_string);
poll_server_until_read_done(server, &ev);
start_rpc(secure, another_port);
gpr_event_wait(&ev, gpr_inf_future(GPR_CLOCK_REALTIME));
match_initial_magic_string(&state.incoming_buffer);
cleanup_rpc();
}
void gpr_cancellable_cancel(gpr_cancellable *c) {
if (!gpr_cancellable_is_cancelled(c)) {
int failures;
int backoff = 1;
do {
struct gpr_cancellable_list_ *l;
struct gpr_cancellable_list_ *nl;
gpr_mu *omu = 0; /* one-element cache of a processed gpr_mu */
gpr_cv *ocv = 0; /* one-element cache of a processd gpr_cv */
gpr_mu_lock(&c->mu);
gpr_atm_rel_store(&c->cancelled, 1);
failures = 0;
for (l = c->waiters.next; l != &c->waiters; l = nl) {
nl = l->next;
if (omu != l->mu) {
omu = l->mu;
if (gpr_mu_trylock(l->mu)) {
gpr_mu_unlock(l->mu);
l->next->prev = l->prev; /* remove *l from list */
l->prev->next = l->next;
/* allow unconditional dequeue in gpr_cv_cancellable_wait() */
l->next = l;
l->prev = l;
ocv = 0; /* force broadcast */
} else {
failures++;
}
}
if (ocv != l->cv) {
ocv = l->cv;
gpr_cv_broadcast(l->cv);
}
}
gpr_mu_unlock(&c->mu);
if (failures != 0) {
if (backoff < 10) {
volatile int i;
for (i = 0; i != (1 << backoff); i++) {
}
backoff++;
} else {
gpr_event ev;
gpr_event_init(&ev);
gpr_event_wait(
&ev, gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_micros(1000, GPR_TIMESPAN)));
}
}
} while (failures != 0);
}
}
void grpc_iomgr_shutdown(void) {
delayed_callback *cb;
gpr_timespec shutdown_deadline =
gpr_time_add(gpr_now(), gpr_time_from_seconds(10));
gpr_mu_lock(&g_mu);
g_shutdown = 1;
while (g_cbs_head || g_refs) {
gpr_log(GPR_DEBUG, "Waiting for %d iomgr objects to be destroyed%s", g_refs,
g_cbs_head ? " and executing final callbacks" : "");
while (g_cbs_head) {
cb = g_cbs_head;
g_cbs_head = cb->next;
if (!g_cbs_head) g_cbs_tail = NULL;
gpr_mu_unlock(&g_mu);
cb->cb(cb->cb_arg, 0);
gpr_free(cb);
gpr_mu_lock(&g_mu);
}
if (g_refs) {
int timeout = 0;
gpr_timespec short_deadline = gpr_time_add(gpr_now(),
gpr_time_from_millis(100));
while (gpr_cv_wait(&g_rcv, &g_mu, short_deadline) && g_cbs_head == NULL) {
if (gpr_time_cmp(gpr_now(), shutdown_deadline) > 0) {
timeout = 1;
break;
}
}
if (timeout) {
gpr_log(GPR_DEBUG,
"Failed to free %d iomgr objects before shutdown deadline: "
"memory leaks are likely",
g_refs);
break;
}
}
}
gpr_mu_unlock(&g_mu);
grpc_kick_poller();
gpr_event_wait(&g_background_callback_executor_done, gpr_inf_future);
grpc_iomgr_platform_shutdown();
grpc_alarm_list_shutdown();
gpr_mu_destroy(&g_mu);
gpr_cv_destroy(&g_cv);
gpr_cv_destroy(&g_rcv);
}
void args_finish(grpc_exec_ctx *exec_ctx, args_struct *args) {
GPR_ASSERT(gpr_event_wait(&args->ev, test_deadline()));
grpc_resolved_addresses_destroy(args->addrs);
grpc_pollset_set_del_pollset(exec_ctx, args->pollset_set, args->pollset);
grpc_pollset_set_destroy(exec_ctx, args->pollset_set);
grpc_closure do_nothing_cb;
GRPC_CLOSURE_INIT(&do_nothing_cb, do_nothing, NULL,
grpc_schedule_on_exec_ctx);
grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb);
// exec_ctx needs to be flushed before calling grpc_pollset_destroy()
grpc_exec_ctx_flush(exec_ctx);
grpc_pollset_destroy(exec_ctx, args->pollset);
gpr_free(args->pollset);
}
static void test_get(int use_ssl) {
grpc_httpcli_request req;
gpr_log(GPR_INFO, "running %s with use_ssl=%d.", "test_get", use_ssl);
gpr_event_init(&g_done);
memset(&req, 0, sizeof(req));
req.host = "www.google.com";
req.path = "/";
req.use_ssl = use_ssl;
grpc_httpcli_get(&req, n_seconds_time(15), on_finish, (void *)42);
GPR_ASSERT(gpr_event_wait(&g_done, n_seconds_time(20)));
}
/* Wait a millisecond and increment counter on each iteration, using an event
for timing; then mark thread as done. */
static void inc_with_1ms_delay_event(void *v /*=m*/) {
struct test *m = v;
gpr_int64 i;
for (i = 0; i != m->iterations; i++) {
gpr_timespec deadline;
deadline = gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_micros(1000, GPR_TIMESPAN));
GPR_ASSERT(gpr_event_wait(&m->event, deadline) == NULL);
gpr_mu_lock(&m->mu);
m->counter++;
gpr_mu_unlock(&m->mu);
}
mark_thread_done(m);
}
/* Wait until m->event is set to (void *)1, then decrement m->refcount
m->stats_counter m->iterations times, and ensure that the last decrement
caused the counter to reach zero, then mark thread as done. */
static void refcheck(void *v /*=m*/) {
struct test *m = v;
gpr_int64 n = m->iterations * m->threads;
gpr_int64 i;
GPR_ASSERT(gpr_event_wait(&m->event, gpr_inf_future(GPR_CLOCK_REALTIME)) ==
(void *)1);
GPR_ASSERT(gpr_event_get(&m->event) == (void *)1);
for (i = 1; i != n; i++) {
GPR_ASSERT(!gpr_unref(&m->refcount));
m->counter++;
}
GPR_ASSERT(gpr_unref(&m->refcount));
m->counter++;
mark_thread_done(m);
}
void test_fails(void) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);
gpr_event ev;
gpr_event_init(&ev);
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
/* connect to a broken address */
grpc_tcp_client_connect(must_fail, &ev, (struct sockaddr *)&addr, addr_len,
gpr_inf_future);
/* wait for the connection callback to finish */
GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
}
static void pull_thread(void *arg) {
pull_args *pa = arg;
gpr_event_wait(pa->start, gpr_inf_future(GPR_CLOCK_REALTIME));
for (;;) {
gpr_mu_lock(&pa->mu);
if (pa->num_done == pa->num_thds) {
gpr_mu_unlock(&pa->mu);
return;
}
gpr_mpscq_node *n;
while ((n = gpr_mpscq_pop(pa->q)) == NULL) {
pa->spins++;
}
test_node *tn = (test_node *)n;
GPR_ASSERT(*tn->ctr == tn->i - 1);
*tn->ctr = tn->i;
if (tn->i == THREAD_ITERATIONS) pa->num_done++;
gpr_free(tn);
gpr_mu_unlock(&pa->mu);
}
}
void grpc_run_bad_client_test(const char *name, const char *client_payload,
size_t client_payload_length,
grpc_bad_client_server_side_validator validator) {
grpc_endpoint_pair sfd;
thd_args a;
gpr_thd_id id;
gpr_slice slice =
gpr_slice_from_copied_buffer(client_payload, client_payload_length);
/* Add a debug log */
gpr_log(GPR_INFO, "TEST: %s", name);
/* Init grpc */
grpc_init();
/* Create endpoints */
sfd = grpc_iomgr_create_endpoint_pair(65536);
/* Create server, completion events */
a.server = grpc_server_create_from_filters(NULL, 0, NULL);
a.cq = grpc_completion_queue_create();
gpr_event_init(&a.done_thd);
gpr_event_init(&a.done_write);
a.validator = validator;
grpc_server_register_completion_queue(a.server, a.cq);
grpc_server_start(a.server);
grpc_create_chttp2_transport(server_setup_transport, &a, NULL, sfd.server,
NULL, 0, grpc_mdctx_create(), 0);
/* Bind everything into the same pollset */
grpc_endpoint_add_to_pollset(sfd.client, grpc_cq_pollset(a.cq));
grpc_endpoint_add_to_pollset(sfd.server, grpc_cq_pollset(a.cq));
/* Check a ground truth */
GPR_ASSERT(grpc_server_has_open_connections(a.server));
/* Start validator */
gpr_thd_new(&id, thd_func, &a, NULL);
/* Write data */
switch (grpc_endpoint_write(sfd.client, &slice, 1, done_write, &a)) {
case GRPC_ENDPOINT_WRITE_DONE:
done_write(&a, 1);
break;
case GRPC_ENDPOINT_WRITE_PENDING:
break;
case GRPC_ENDPOINT_WRITE_ERROR:
done_write(&a, 0);
break;
}
/* Await completion */
GPR_ASSERT(
gpr_event_wait(&a.done_write, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
GPR_ASSERT(gpr_event_wait(&a.done_thd, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
/* Shutdown */
grpc_endpoint_destroy(sfd.client);
grpc_server_destroy(a.server);
grpc_completion_queue_destroy(a.cq);
grpc_shutdown();
}
static void test_threading(int producers, int consumers) {
test_thread_options *options =
gpr_malloc((producers + consumers) * sizeof(test_thread_options));
gpr_event phase1 = GPR_EVENT_INIT;
gpr_event phase2 = GPR_EVENT_INIT;
grpc_completion_queue *cc = grpc_completion_queue_create(NULL);
int i;
int total_consumed = 0;
static int optid = 101;
gpr_log(GPR_INFO, "%s: %d producers, %d consumers", "test_threading",
producers, consumers);
/* start all threads: they will wait for phase1 */
for (i = 0; i < producers + consumers; i++) {
gpr_thd_id id;
gpr_event_init(&options[i].on_started);
gpr_event_init(&options[i].on_phase1_done);
gpr_event_init(&options[i].on_finished);
options[i].phase1 = &phase1;
options[i].phase2 = &phase2;
options[i].events_triggered = 0;
options[i].cc = cc;
options[i].id = optid++;
GPR_ASSERT(gpr_thd_new(&id,
i < producers ? producer_thread : consumer_thread,
options + i, NULL));
gpr_event_wait(&options[i].on_started, ten_seconds_time());
}
/* start phase1: producers will pre-declare all operations they will
complete */
gpr_log(GPR_INFO, "start phase 1");
gpr_event_set(&phase1, (void *)(gpr_intptr)1);
gpr_log(GPR_INFO, "wait phase 1");
for (i = 0; i < producers + consumers; i++) {
GPR_ASSERT(gpr_event_wait(&options[i].on_phase1_done, ten_seconds_time()));
}
gpr_log(GPR_INFO, "done phase 1");
/* start phase2: operations will complete, and consumers will consume them */
gpr_log(GPR_INFO, "start phase 2");
gpr_event_set(&phase2, (void *)(gpr_intptr)1);
/* in parallel, we shutdown the completion channel - all events should still
be consumed */
grpc_completion_queue_shutdown(cc);
/* join all threads */
gpr_log(GPR_INFO, "wait phase 2");
for (i = 0; i < producers + consumers; i++) {
GPR_ASSERT(gpr_event_wait(&options[i].on_finished, ten_seconds_time()));
}
gpr_log(GPR_INFO, "done phase 2");
/* destroy the completion channel */
grpc_completion_queue_destroy(cc);
/* verify that everything was produced and consumed */
for (i = 0; i < producers + consumers; i++) {
if (i < producers) {
GPR_ASSERT(options[i].events_triggered == TEST_THREAD_EVENTS);
} else {
total_consumed += options[i].events_triggered;
}
}
GPR_ASSERT(total_consumed == producers * TEST_THREAD_EVENTS);
gpr_free(options);
}
int run_concurrent_connectivity_test() {
struct server_thread_args args;
memset(&args, 0, sizeof(args));
grpc_init();
gpr_thd_id threads[NUM_THREADS];
gpr_thd_id server;
char *localhost = gpr_strdup("localhost:54321");
gpr_thd_options options = gpr_thd_options_default();
gpr_thd_options_set_joinable(&options);
/* First round, no server */
gpr_log(GPR_DEBUG, "Wave 1");
for (size_t i = 0; i < NUM_THREADS; ++i) {
gpr_thd_new(&threads[i], create_loop_destroy, localhost, &options);
}
for (size_t i = 0; i < NUM_THREADS; ++i) {
gpr_thd_join(threads[i]);
}
gpr_free(localhost);
/* Second round, actual grpc server */
gpr_log(GPR_DEBUG, "Wave 2");
int port = grpc_pick_unused_port_or_die();
gpr_asprintf(&args.addr, "localhost:%d", port);
args.server = grpc_server_create(NULL, NULL);
grpc_server_add_insecure_http2_port(args.server, args.addr);
args.cq = grpc_completion_queue_create_for_next(NULL);
grpc_server_register_completion_queue(args.server, args.cq, NULL);
grpc_server_start(args.server);
gpr_thd_new(&server, server_thread, &args, &options);
for (size_t i = 0; i < NUM_THREADS; ++i) {
gpr_thd_new(&threads[i], create_loop_destroy, args.addr, &options);
}
for (size_t i = 0; i < NUM_THREADS; ++i) {
gpr_thd_join(threads[i]);
}
grpc_server_shutdown_and_notify(args.server, args.cq, tag(0xd1e));
gpr_thd_join(server);
grpc_server_destroy(args.server);
grpc_completion_queue_destroy(args.cq);
gpr_free(args.addr);
/* Third round, bogus tcp server */
gpr_log(GPR_DEBUG, "Wave 3");
args.pollset = gpr_zalloc(grpc_pollset_size());
grpc_pollset_init(args.pollset, &args.mu);
gpr_event_init(&args.ready);
gpr_thd_new(&server, bad_server_thread, &args, &options);
gpr_event_wait(&args.ready, gpr_inf_future(GPR_CLOCK_MONOTONIC));
for (size_t i = 0; i < NUM_THREADS; ++i) {
gpr_thd_new(&threads[i], create_loop_destroy, args.addr, &options);
}
for (size_t i = 0; i < NUM_THREADS; ++i) {
gpr_thd_join(threads[i]);
}
gpr_atm_rel_store(&args.stop, 1);
gpr_thd_join(server);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_pollset_shutdown(&exec_ctx, args.pollset,
GRPC_CLOSURE_CREATE(done_pollset_shutdown, args.pollset,
grpc_schedule_on_exec_ctx));
grpc_exec_ctx_finish(&exec_ctx);
grpc_shutdown();
return 0;
}
static void test_connectivity(grpc_end2end_test_config config) {
grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL);
grpc_connectivity_state state;
cq_verifier *cqv = cq_verifier_create(f.cq);
child_events ce;
gpr_thd_options thdopt = gpr_thd_options_default();
gpr_thd_id thdid;
config.init_client(&f, NULL);
ce.channel = f.client;
ce.cq = f.cq;
gpr_event_init(&ce.started);
gpr_thd_options_set_joinable(&thdopt);
GPR_ASSERT(gpr_thd_new(&thdid, child_thread, &ce, &thdopt));
gpr_event_wait(&ce.started, gpr_inf_future(GPR_CLOCK_MONOTONIC));
/* channels should start life in IDLE, and stay there */
GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) ==
GRPC_CHANNEL_IDLE);
gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100));
GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) ==
GRPC_CHANNEL_IDLE);
/* start watching for a change */
gpr_log(GPR_DEBUG, "watching");
grpc_channel_watch_connectivity_state(
f.client, GRPC_CHANNEL_IDLE, gpr_now(GPR_CLOCK_MONOTONIC), f.cq, tag(1));
/* eventually the child thread completion should trigger */
gpr_thd_join(thdid);
/* check that we're still in idle, and start connecting */
GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) ==
GRPC_CHANNEL_IDLE);
/* start watching for a change */
grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_IDLE,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
f.cq, tag(2));
/* and now the watch should trigger */
cq_expect_completion(cqv, tag(2), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(f.client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
state == GRPC_CHANNEL_CONNECTING);
/* quickly followed by a transition to TRANSIENT_FAILURE */
grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_CONNECTING,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
f.cq, tag(3));
cq_expect_completion(cqv, tag(3), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(f.client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
state == GRPC_CHANNEL_CONNECTING);
gpr_log(GPR_DEBUG, "*** STARTING SERVER ***");
/* now let's bring up a server to connect to */
config.init_server(&f, NULL);
gpr_log(GPR_DEBUG, "*** STARTED SERVER ***");
/* we'll go through some set of transitions (some might be missed), until
READY is reached */
while (state != GRPC_CHANNEL_READY) {
grpc_channel_watch_connectivity_state(
f.client, state, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), f.cq, tag(4));
cq_expect_completion(cqv, tag(4), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(f.client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_READY ||
state == GRPC_CHANNEL_CONNECTING ||
state == GRPC_CHANNEL_TRANSIENT_FAILURE);
}
/* bring down the server again */
/* we should go immediately to TRANSIENT_FAILURE */
gpr_log(GPR_DEBUG, "*** SHUTTING DOWN SERVER ***");
grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_READY,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
f.cq, tag(5));
grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
cq_expect_completion(cqv, tag(5), 1);
cq_expect_completion(cqv, tag(0xdead), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(f.client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_IDLE);
/* cleanup server */
grpc_server_destroy(f.server);
gpr_log(GPR_DEBUG, "*** SHUTDOWN SERVER ***");
grpc_channel_destroy(f.client);
grpc_completion_queue_shutdown(f.cq);
grpc_completion_queue_destroy(f.cq);
config.tear_down_data(&f);
cq_verifier_destroy(cqv);
}