static void remove_stream(grpc_chttp2_transport *t, gpr_uint32 id) {
size_t new_stream_count;
grpc_chttp2_stream *s =
grpc_chttp2_stream_map_delete(&t->parsing_stream_map, id);
if (!s) {
s = grpc_chttp2_stream_map_delete(&t->new_stream_map, id);
}
grpc_chttp2_list_remove_writable_stream(&t->global, &s->global);
GPR_ASSERT(s);
s->global.in_stream_map = 0;
if (t->parsing.incoming_stream == &s->parsing) {
t->parsing.incoming_stream = NULL;
grpc_chttp2_parsing_become_skip_parser(&t->parsing);
}
if (grpc_chttp2_unregister_stream(t, s) && t->global.sent_goaway) {
close_transport_locked(t);
}
new_stream_count = grpc_chttp2_stream_map_size(&t->parsing_stream_map) +
grpc_chttp2_stream_map_size(&t->new_stream_map);
if (new_stream_count != t->global.concurrent_stream_count) {
t->global.concurrent_stream_count = new_stream_count;
maybe_start_some_streams(&t->global);
}
}
/* test it's safe to delete twice */
static void test_double_deletion(void) {
grpc_chttp2_stream_map map;
LOG_TEST("test_double_deletion");
grpc_chttp2_stream_map_init(&map, 8);
GPR_ASSERT(0 == grpc_chttp2_stream_map_size(&map));
grpc_chttp2_stream_map_add(&map, 1, (void *)1);
GPR_ASSERT((void *)1 == grpc_chttp2_stream_map_find(&map, 1));
GPR_ASSERT(1 == grpc_chttp2_stream_map_size(&map));
GPR_ASSERT((void *)1 == grpc_chttp2_stream_map_delete(&map, 1));
GPR_ASSERT(0 == grpc_chttp2_stream_map_size(&map));
GPR_ASSERT(NULL == grpc_chttp2_stream_map_find(&map, 1));
GPR_ASSERT(NULL == grpc_chttp2_stream_map_delete(&map, 1));
GPR_ASSERT(NULL == grpc_chttp2_stream_map_find(&map, 1));
GPR_ASSERT(NULL == grpc_chttp2_stream_map_delete(&map, 1));
GPR_ASSERT(NULL == grpc_chttp2_stream_map_find(&map, 1));
GPR_ASSERT(NULL == grpc_chttp2_stream_map_delete(&map, 1));
GPR_ASSERT(NULL == grpc_chttp2_stream_map_find(&map, 1));
grpc_chttp2_stream_map_destroy(&map);
}
static void remove_stream(grpc_chttp2_transport *t, gpr_uint32 id) {
size_t new_stream_count;
grpc_chttp2_stream *s =
grpc_chttp2_stream_map_delete(&t->parsing_stream_map, id);
if (!s) {
s = grpc_chttp2_stream_map_delete(&t->new_stream_map, id);
}
GPR_ASSERT(s);
s->global.in_stream_map = 0;
if (t->parsing.incoming_stream == &s->parsing) {
t->parsing.incoming_stream = NULL;
grpc_chttp2_parsing_become_skip_parser(&t->parsing);
}
new_stream_count =
grpc_chttp2_stream_map_size(&t->parsing_stream_map) +
grpc_chttp2_stream_map_size(&t->new_stream_map);
if (new_stream_count != t->global.concurrent_stream_count) {
t->global.concurrent_stream_count = new_stream_count;
maybe_start_some_streams(&t->global);
}
}
/* add a bunch of keys, delete the even ones immediately, and make sure the map
is consistent */
static void test_delete_evens_incremental(uint32_t n) {
grpc_chttp2_stream_map map;
uint32_t i;
LOG_TEST("test_delete_evens_incremental");
gpr_log(GPR_INFO, "n = %d", n);
grpc_chttp2_stream_map_init(&map, 8);
for (i = 1; i <= n; i++) {
grpc_chttp2_stream_map_add(&map, i, (void *)(uintptr_t)i);
if ((i & 1) == 0) {
grpc_chttp2_stream_map_delete(&map, i);
}
}
check_delete_evens(&map, n);
grpc_chttp2_stream_map_destroy(&map);
}
/* add a bunch of keys, delete old ones after some time, ensure the
backing array does not grow */
static void test_periodic_compaction(uint32_t n) {
grpc_chttp2_stream_map map;
uint32_t i;
uint32_t del;
LOG_TEST("test_periodic_compaction");
gpr_log(GPR_INFO, "n = %d", n);
grpc_chttp2_stream_map_init(&map, 16);
GPR_ASSERT(map.capacity == 16);
for (i = 1; i <= n; i++) {
grpc_chttp2_stream_map_add(&map, i, (void *)(uintptr_t)i);
if (i > 8) {
del = i - 8;
GPR_ASSERT((void *)(uintptr_t)del ==
grpc_chttp2_stream_map_delete(&map, del));
}
}
GPR_ASSERT(map.capacity == 16);
grpc_chttp2_stream_map_destroy(&map);
}