static void test_scavenge(void) {
gpr_log(GPR_INFO, "** test_scavenge **");
grpc_resource_quota *q = grpc_resource_quota_create("test_scavenge");
grpc_resource_quota_resize(q, 1024);
grpc_resource_user *usr1 = grpc_resource_user_create(q, "usr1");
grpc_resource_user *usr2 = grpc_resource_user_create(q, "usr2");
{
bool done = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr1, 1024, set_bool(&done));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(done);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr1, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
{
bool done = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr2, 1024, set_bool(&done));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(done);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr2, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_resource_quota_unref(q);
destroy_user(usr1);
destroy_user(usr2);
}
grpc_endpoint *grpc_tcp_create(uv_tcp_t *handle,
grpc_resource_quota *resource_quota,
char *peer_string) {
grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
if (grpc_tcp_trace) {
gpr_log(GPR_DEBUG, "Creating TCP endpoint %p", tcp);
}
/* Disable Nagle's Algorithm */
uv_tcp_nodelay(handle, 1);
memset(tcp, 0, sizeof(grpc_tcp));
tcp->base.vtable = &vtable;
tcp->handle = handle;
handle->data = tcp;
gpr_ref_init(&tcp->refcount, 1);
tcp->peer_string = gpr_strdup(peer_string);
tcp->shutting_down = false;
tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string);
/* Tell network status tracking code about the new endpoint */
grpc_network_status_register_endpoint(&tcp->base);
#ifndef GRPC_UV_TCP_HOLD_LOOP
uv_unref((uv_handle_t *)handle);
#endif
return &tcp->base;
}
grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd,
grpc_resource_quota *resource_quota,
size_t slice_size, const char *peer_string) {
grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
tcp->base.vtable = &vtable;
tcp->peer_string = gpr_strdup(peer_string);
tcp->fd = grpc_fd_wrapped_fd(em_fd);
tcp->read_cb = NULL;
tcp->write_cb = NULL;
tcp->release_fd_cb = NULL;
tcp->release_fd = NULL;
tcp->incoming_buffer = NULL;
tcp->slice_size = slice_size;
tcp->iov_size = 1;
tcp->finished_edge = true;
/* paired with unref in grpc_tcp_destroy */
gpr_ref_init(&tcp->refcount, 1);
gpr_atm_no_barrier_store(&tcp->shutdown_count, 0);
tcp->em_fd = em_fd;
tcp->read_closure.cb = tcp_handle_read;
tcp->read_closure.cb_arg = tcp;
tcp->write_closure.cb = tcp_handle_write;
tcp->write_closure.cb_arg = tcp;
grpc_slice_buffer_init(&tcp->last_read_buffer);
tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string);
grpc_resource_user_slice_allocator_init(
&tcp->slice_allocator, tcp->resource_user, tcp_read_allocation_done, tcp);
/* Tell network status tracker about new endpoint */
grpc_network_status_register_endpoint(&tcp->base);
return &tcp->base;
}
static void test_one_slice(void) {
gpr_log(GPR_INFO, "** test_one_slice **");
grpc_resource_quota *q = grpc_resource_quota_create("test_one_slice");
grpc_resource_quota_resize(q, 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
grpc_resource_user_slice_allocator alloc;
int num_allocs = 0;
grpc_resource_user_slice_allocator_init(&alloc, usr, inc_int_cb, &num_allocs);
grpc_slice_buffer buffer;
grpc_slice_buffer_init(&buffer);
{
const int start_allocs = num_allocs;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc_slices(&exec_ctx, &alloc, 1024, 1, &buffer);
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(num_allocs == start_allocs + 1);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_slice_buffer_destroy_internal(&exec_ctx, &buffer);
grpc_exec_ctx_finish(&exec_ctx);
}
destroy_user(usr);
grpc_resource_quota_unref(q);
}
grpc_endpoint *grpc_tcp_create(grpc_exec_ctx *exec_ctx, grpc_winsocket *socket,
grpc_channel_args *channel_args,
char *peer_string) {
grpc_resource_quota *resource_quota = grpc_resource_quota_create(NULL);
if (channel_args != NULL) {
for (size_t i = 0; i < channel_args->num_args; i++) {
if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) {
grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
resource_quota = grpc_resource_quota_ref_internal(
channel_args->args[i].value.pointer.p);
}
}
}
grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
memset(tcp, 0, sizeof(grpc_tcp));
tcp->base.vtable = &vtable;
tcp->socket = socket;
gpr_mu_init(&tcp->mu);
gpr_ref_init(&tcp->refcount, 1);
GRPC_CLOSURE_INIT(&tcp->on_read, on_read, tcp, grpc_schedule_on_exec_ctx);
GRPC_CLOSURE_INIT(&tcp->on_write, on_write, tcp, grpc_schedule_on_exec_ctx);
tcp->peer_string = gpr_strdup(peer_string);
tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string);
/* Tell network status tracking code about the new endpoint */
grpc_network_status_register_endpoint(&tcp->base);
return &tcp->base;
}
static void test_resource_user_no_op(void) {
gpr_log(GPR_INFO, "** test_resource_user_no_op **");
grpc_resource_quota *q =
grpc_resource_quota_create("test_resource_user_no_op");
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
grpc_resource_quota_unref(q);
destroy_user(usr);
}
static void half_init(half *m, passthru_endpoint *parent,
grpc_resource_quota *resource_quota,
const char *half_name) {
m->base.vtable = &vtable;
m->parent = parent;
grpc_slice_buffer_init(&m->read_buffer);
m->on_read = NULL;
char *name;
gpr_asprintf(&name, "passthru_endpoint_%s_%" PRIxPTR, half_name,
(intptr_t)parent);
m->resource_user = grpc_resource_user_create(resource_quota, name);
gpr_free(name);
}
grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(grpc_slice slice),
grpc_resource_quota *resource_quota) {
grpc_mock_endpoint *m = gpr_malloc(sizeof(*m));
m->base.vtable = &vtable;
char *name;
gpr_asprintf(&name, "mock_endpoint_%" PRIxPTR, (intptr_t)m);
m->resource_user = grpc_resource_user_create(resource_quota, name);
gpr_free(name);
grpc_slice_buffer_init(&m->read_buffer);
gpr_mu_init(&m->mu);
m->on_write = on_write;
m->on_read = NULL;
return &m->base;
}
static void test_instant_alloc_free_pair(void) {
gpr_log(GPR_INFO, "** test_instant_alloc_free_pair **");
grpc_resource_quota *q =
grpc_resource_quota_create("test_instant_alloc_free_pair");
grpc_resource_quota_resize(q, 1024 * 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, NULL);
grpc_resource_user_free(&exec_ctx, usr, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_resource_quota_unref(q);
destroy_user(usr);
}
static void test_multiple_reclaims_can_be_triggered(void) {
gpr_log(GPR_INFO, "** test_multiple_reclaims_can_be_triggered **");
grpc_resource_quota *q =
grpc_resource_quota_create("test_multiple_reclaims_can_be_triggered");
grpc_resource_quota_resize(q, 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
bool benign_done = false;
bool destructive_done = false;
{
bool done = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&done));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(done);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_post_reclaimer(
&exec_ctx, usr, false,
make_reclaimer(usr, 512, set_bool(&benign_done)));
grpc_resource_user_post_reclaimer(
&exec_ctx, usr, true,
make_reclaimer(usr, 512, set_bool(&destructive_done)));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(!benign_done);
GPR_ASSERT(!destructive_done);
}
{
bool done = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&done));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(benign_done);
GPR_ASSERT(destructive_done);
GPR_ASSERT(done);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_resource_quota_unref(q);
destroy_user(usr);
GPR_ASSERT(benign_done);
GPR_ASSERT(destructive_done);
}
static void
test_resource_user_stays_allocated_and_reclaimers_unrun_until_memory_released(
void) {
gpr_log(GPR_INFO,
"** "
"test_resource_user_stays_allocated_and_reclaimers_unrun_until_"
"memory_released **");
grpc_resource_quota *q = grpc_resource_quota_create(
"test_resource_user_stays_allocated_and_reclaimers_unrun_until_memory_"
"released");
grpc_resource_quota_resize(q, 1024);
for (int i = 0; i < 10; i++) {
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
bool reclaimer_cancelled = false;
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_post_reclaimer(
&exec_ctx, usr, false,
make_unused_reclaimer(set_bool(&reclaimer_cancelled)));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(!reclaimer_cancelled);
}
{
bool allocated = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&allocated));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(allocated);
GPR_ASSERT(!reclaimer_cancelled);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_unref(&exec_ctx, usr);
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(!reclaimer_cancelled);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr, 1024);
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(reclaimer_cancelled);
}
}
grpc_resource_quota_unref(q);
}
grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket,
grpc_resource_quota *resource_quota,
char *peer_string) {
grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
memset(tcp, 0, sizeof(grpc_tcp));
tcp->base.vtable = &vtable;
tcp->socket = socket;
gpr_mu_init(&tcp->mu);
gpr_ref_init(&tcp->refcount, 1);
grpc_closure_init(&tcp->on_read, on_read, tcp);
grpc_closure_init(&tcp->on_write, on_write, tcp);
tcp->peer_string = gpr_strdup(peer_string);
tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string);
/* Tell network status tracking code about the new endpoint */
grpc_network_status_register_endpoint(&tcp->base);
return &tcp->base;
}
static void test_negative_rq_free_pool(void) {
gpr_log(GPR_INFO, "** test_negative_rq_free_pool **");
grpc_resource_quota *q =
grpc_resource_quota_create("test_negative_rq_free_pool");
grpc_resource_quota_resize(q, 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
grpc_resource_user_slice_allocator alloc;
int num_allocs = 0;
grpc_resource_user_slice_allocator_init(&alloc, usr, inc_int_cb, &num_allocs);
grpc_slice_buffer buffer;
grpc_slice_buffer_init(&buffer);
{
const int start_allocs = num_allocs;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc_slices(&exec_ctx, &alloc, 1024, 1, &buffer);
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(num_allocs == start_allocs + 1);
}
grpc_resource_quota_resize(q, 512);
double eps = 0.0001;
GPR_ASSERT(grpc_resource_quota_get_memory_pressure(q) < 1 + eps);
GPR_ASSERT(grpc_resource_quota_get_memory_pressure(q) > 1 - eps);
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_unref(&exec_ctx, usr);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_resource_quota_unref(q);
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_slice_buffer_destroy_internal(&exec_ctx, &buffer);
grpc_exec_ctx_finish(&exec_ctx);
}
}
static void test_simple_async_alloc(void) {
gpr_log(GPR_INFO, "** test_simple_async_alloc **");
grpc_resource_quota *q =
grpc_resource_quota_create("test_simple_async_alloc");
grpc_resource_quota_resize(q, 1024 * 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
{
bool done = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&done));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(done);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_resource_quota_unref(q);
destroy_user(usr);
}
static void test_reclaimers_can_be_posted_repeatedly(void) {
gpr_log(GPR_INFO, "** test_reclaimers_can_be_posted_repeatedly **");
grpc_resource_quota *q =
grpc_resource_quota_create("test_reclaimers_can_be_posted_repeatedly");
grpc_resource_quota_resize(q, 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
{
bool allocated = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&allocated));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(allocated);
}
for (int i = 0; i < 10; i++) {
bool reclaimer_done = false;
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_post_reclaimer(
&exec_ctx, usr, false,
make_reclaimer(usr, 1024, set_bool(&reclaimer_done)));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(!reclaimer_done);
}
{
bool allocated = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&allocated));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(allocated);
GPR_ASSERT(reclaimer_done);
}
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
destroy_user(usr);
grpc_resource_quota_unref(q);
}
static void test_blocked_until_scheduled_destructive_reclaim(void) {
gpr_log(GPR_INFO, "** test_blocked_until_scheduled_destructive_reclaim **");
grpc_resource_quota *q = grpc_resource_quota_create(
"test_blocked_until_scheduled_destructive_reclaim");
grpc_resource_quota_resize(q, 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
{
bool done = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&done));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(done);
}
bool reclaim_done = false;
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_post_reclaimer(
&exec_ctx, usr, true,
make_reclaimer(usr, 1024, set_bool(&reclaim_done)));
grpc_exec_ctx_finish(&exec_ctx);
}
{
bool done = false;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, set_bool(&done));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(reclaim_done);
GPR_ASSERT(done);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_resource_quota_unref(q);
destroy_user(usr);
}
static void test_resource_user_stays_allocated_until_memory_released(void) {
gpr_log(GPR_INFO,
"** test_resource_user_stays_allocated_until_memory_released **");
grpc_resource_quota *q = grpc_resource_quota_create(
"test_resource_user_stays_allocated_until_memory_released");
grpc_resource_quota_resize(q, 1024 * 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_alloc(&exec_ctx, usr, 1024, NULL);
grpc_exec_ctx_finish(&exec_ctx);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_quota_unref(q);
grpc_resource_user_unref(&exec_ctx, usr);
grpc_exec_ctx_finish(&exec_ctx);
}
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_free(&exec_ctx, usr, 1024);
grpc_exec_ctx_finish(&exec_ctx);
}
}
static void test_unused_reclaim_is_cancelled(void) {
gpr_log(GPR_INFO, "** test_unused_reclaim_is_cancelled **");
grpc_resource_quota *q =
grpc_resource_quota_create("test_unused_reclaim_is_cancelled");
grpc_resource_quota_resize(q, 1024);
grpc_resource_user *usr = grpc_resource_user_create(q, "usr");
bool benign_done = false;
bool destructive_done = false;
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_resource_user_post_reclaimer(
&exec_ctx, usr, false, make_unused_reclaimer(set_bool(&benign_done)));
grpc_resource_user_post_reclaimer(
&exec_ctx, usr, true,
make_unused_reclaimer(set_bool(&destructive_done)));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(!benign_done);
GPR_ASSERT(!destructive_done);
}
grpc_resource_quota_unref(q);
destroy_user(usr);
GPR_ASSERT(benign_done);
GPR_ASSERT(destructive_done);
}