/* Public API */
grpc_resource_quota *grpc_resource_quota_create(const char *name) {
grpc_resource_quota *resource_quota = gpr_malloc(sizeof(*resource_quota));
gpr_ref_init(&resource_quota->refs, 1);
resource_quota->combiner = grpc_combiner_create(NULL);
resource_quota->free_pool = INT64_MAX;
resource_quota->size = INT64_MAX;
resource_quota->step_scheduled = false;
resource_quota->reclaiming = false;
gpr_atm_no_barrier_store(&resource_quota->memory_usage_estimation, 0);
if (name != NULL) {
resource_quota->name = gpr_strdup(name);
} else {
gpr_asprintf(&resource_quota->name, "anonymous_pool_%" PRIxPTR,
(intptr_t)resource_quota);
}
grpc_closure_init(
&resource_quota->rq_step_closure, rq_step, resource_quota,
grpc_combiner_finally_scheduler(resource_quota->combiner, true));
grpc_closure_init(&resource_quota->rq_reclamation_done_closure,
rq_reclamation_done, resource_quota,
grpc_combiner_scheduler(resource_quota->combiner, false));
for (int i = 0; i < GRPC_RULIST_COUNT; i++) {
resource_quota->roots[i] = NULL;
}
return resource_quota;
}
void grpc_fake_resolver_response_generator_set_response(
grpc_exec_ctx* exec_ctx, grpc_fake_resolver_response_generator* generator,
grpc_channel_args* next_response) {
GPR_ASSERT(generator->resolver != NULL);
generator->next_response = grpc_channel_args_copy(next_response);
GRPC_CLOSURE_SCHED(
exec_ctx, GRPC_CLOSURE_CREATE(set_response_cb, generator,
grpc_combiner_scheduler(
generator->resolver->base.combiner)),
GRPC_ERROR_NONE);
}
void grpc_resource_user_shutdown(grpc_exec_ctx *exec_ctx,
grpc_resource_user *resource_user) {
if (gpr_atm_full_fetch_add(&resource_user->shutdown, 1) == 0) {
grpc_closure_sched(exec_ctx,
grpc_closure_create(
ru_shutdown, resource_user,
grpc_combiner_scheduler(
resource_user->resource_quota->combiner, false)),
GRPC_ERROR_NONE);
}
}
grpc_resource_user *grpc_resource_user_create(
grpc_resource_quota *resource_quota, const char *name) {
grpc_resource_user *resource_user = gpr_malloc(sizeof(*resource_user));
resource_user->resource_quota =
grpc_resource_quota_ref_internal(resource_quota);
grpc_closure_init(&resource_user->allocate_closure, &ru_allocate,
resource_user,
grpc_combiner_scheduler(resource_quota->combiner, false));
grpc_closure_init(&resource_user->add_to_free_pool_closure,
&ru_add_to_free_pool, resource_user,
grpc_combiner_scheduler(resource_quota->combiner, false));
grpc_closure_init(&resource_user->post_reclaimer_closure[0],
&ru_post_benign_reclaimer, resource_user,
grpc_combiner_scheduler(resource_quota->combiner, false));
grpc_closure_init(&resource_user->post_reclaimer_closure[1],
&ru_post_destructive_reclaimer, resource_user,
grpc_combiner_scheduler(resource_quota->combiner, false));
grpc_closure_init(&resource_user->destroy_closure, &ru_destroy, resource_user,
grpc_combiner_scheduler(resource_quota->combiner, false));
gpr_mu_init(&resource_user->mu);
gpr_atm_rel_store(&resource_user->refs, 1);
gpr_atm_rel_store(&resource_user->shutdown, 0);
resource_user->free_pool = 0;
grpc_closure_list_init(&resource_user->on_allocated);
resource_user->allocating = false;
resource_user->added_to_free_pool = false;
resource_user->reclaimers[0] = NULL;
resource_user->reclaimers[1] = NULL;
resource_user->new_reclaimers[0] = NULL;
resource_user->new_reclaimers[1] = NULL;
for (int i = 0; i < GRPC_RULIST_COUNT; i++) {
resource_user->links[i].next = resource_user->links[i].prev = NULL;
}
if (name != NULL) {
resource_user->name = gpr_strdup(name);
} else {
gpr_asprintf(&resource_user->name, "anonymous_resource_user_%" PRIxPTR,
(intptr_t)resource_user);
}
return resource_user;
}
static void call_resolver_next_after_locking(grpc_exec_ctx *exec_ctx,
grpc_resolver *resolver,
grpc_channel_args **result,
grpc_closure *on_complete) {
next_args *a = gpr_malloc(sizeof(*a));
a->resolver = resolver;
a->result = result;
a->on_complete = on_complete;
GRPC_CLOSURE_SCHED(exec_ctx, GRPC_CLOSURE_CREATE(
call_resolver_next_now_lock_taken, a,
grpc_combiner_scheduler(resolver->combiner)),
GRPC_ERROR_NONE);
}
static void test_fake_resolver() {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_combiner *combiner = grpc_combiner_create(NULL);
// Create resolver.
grpc_fake_resolver_response_generator *response_generator =
grpc_fake_resolver_response_generator_create();
grpc_resolver *resolver =
build_fake_resolver(&exec_ctx, combiner, response_generator);
GPR_ASSERT(resolver != NULL);
// Setup expectations.
grpc_uri *uris[] = {grpc_uri_parse(&exec_ctx, "ipv4:10.2.1.1:1234", true),
grpc_uri_parse(&exec_ctx, "ipv4:127.0.0.1:4321", true)};
char *balancer_names[] = {"name1", "name2"};
const bool is_balancer[] = {true, false};
grpc_lb_addresses *addresses = grpc_lb_addresses_create(3, NULL);
for (size_t i = 0; i < GPR_ARRAY_SIZE(uris); ++i) {
grpc_lb_addresses_set_address_from_uri(
addresses, i, uris[i], is_balancer[i], balancer_names[i], NULL);
grpc_uri_destroy(uris[i]);
}
const grpc_arg addresses_arg =
grpc_lb_addresses_create_channel_arg(addresses);
grpc_channel_args *results =
grpc_channel_args_copy_and_add(NULL, &addresses_arg, 1);
grpc_lb_addresses_destroy(&exec_ctx, addresses);
on_resolution_arg on_res_arg;
memset(&on_res_arg, 0, sizeof(on_res_arg));
on_res_arg.expected_resolver_result = results;
grpc_closure *on_resolution = grpc_closure_create(
on_resolution_cb, &on_res_arg, grpc_combiner_scheduler(combiner, false));
// Set resolver results and trigger first resolution. on_resolution_cb
// performs the checks.
grpc_fake_resolver_response_generator_set_response(
&exec_ctx, response_generator, results);
grpc_resolver_next_locked(&exec_ctx, resolver, &on_res_arg.resolver_result,
on_resolution);
grpc_exec_ctx_flush(&exec_ctx);
GPR_ASSERT(on_res_arg.was_called);
// Setup update.
grpc_uri *uris_update[] = {
grpc_uri_parse(&exec_ctx, "ipv4:192.168.1.0:31416", true)};
char *balancer_names_update[] = {"name3"};
const bool is_balancer_update[] = {false};
grpc_lb_addresses *addresses_update = grpc_lb_addresses_create(1, NULL);
for (size_t i = 0; i < GPR_ARRAY_SIZE(uris_update); ++i) {
grpc_lb_addresses_set_address_from_uri(addresses_update, i, uris_update[i],
is_balancer_update[i],
balancer_names_update[i], NULL);
grpc_uri_destroy(uris_update[i]);
}
grpc_arg addresses_update_arg =
grpc_lb_addresses_create_channel_arg(addresses_update);
grpc_channel_args *results_update =
grpc_channel_args_copy_and_add(NULL, &addresses_update_arg, 1);
grpc_lb_addresses_destroy(&exec_ctx, addresses_update);
// Setup expectations for the update.
on_resolution_arg on_res_arg_update;
memset(&on_res_arg_update, 0, sizeof(on_res_arg_update));
on_res_arg_update.expected_resolver_result = results_update;
on_resolution = grpc_closure_create(on_resolution_cb, &on_res_arg_update,
grpc_combiner_scheduler(combiner, false));
// Set updated resolver results and trigger a second resolution.
grpc_fake_resolver_response_generator_set_response(
&exec_ctx, response_generator, results_update);
grpc_resolver_next_locked(&exec_ctx, resolver,
&on_res_arg_update.resolver_result, on_resolution);
grpc_exec_ctx_flush(&exec_ctx);
GPR_ASSERT(on_res_arg.was_called);
// Requesting a new resolution without re-senting the response shouldn't
// trigger the resolution callback.
memset(&on_res_arg, 0, sizeof(on_res_arg));
grpc_resolver_next_locked(&exec_ctx, resolver, &on_res_arg.resolver_result,
on_resolution);
grpc_exec_ctx_flush(&exec_ctx);
GPR_ASSERT(!on_res_arg.was_called);
GRPC_COMBINER_UNREF(&exec_ctx, combiner, "test_fake_resolver");
GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_fake_resolver");
grpc_exec_ctx_finish(&exec_ctx);
grpc_fake_resolver_response_generator_unref(response_generator);
}
