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/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include "src/core/lib/gpr/arena.h"
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#include <inttypes.h>
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#include <string.h>
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#include <grpc/support/alloc.h>
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#include <grpc/support/log.h>
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#include <grpc/support/string_util.h>
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#include <grpc/support/sync.h>
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#include "src/core/lib/gpr/string.h"
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#include "src/core/lib/gpr/useful.h"
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#include "src/core/lib/gprpp/thd.h"
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#include "test/core/util/test_config.h"
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static void test_noop(void) { gpr_arena_destroy(gpr_arena_create(1)); }
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static void test(const char* name, size_t init_size, const size_t* allocs,
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size_t nallocs) {
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gpr_strvec v;
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char* s;
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gpr_strvec_init(&v);
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gpr_asprintf(&s, "test '%s': %" PRIdPTR " <- {", name, init_size);
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gpr_strvec_add(&v, s);
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for (size_t i = 0; i < nallocs; i++) {
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gpr_asprintf(&s, "%" PRIdPTR ",", allocs[i]);
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gpr_strvec_add(&v, s);
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}
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gpr_strvec_add(&v, gpr_strdup("}"));
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s = gpr_strvec_flatten(&v, nullptr);
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gpr_strvec_destroy(&v);
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gpr_log(GPR_INFO, "%s", s);
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gpr_free(s);
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gpr_arena* a = gpr_arena_create(init_size);
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void** ps = static_cast<void**>(gpr_zalloc(sizeof(*ps) * nallocs));
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for (size_t i = 0; i < nallocs; i++) {
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ps[i] = gpr_arena_alloc(a, allocs[i]);
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// ensure the returned address is aligned
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GPR_ASSERT(((intptr_t)ps[i] & 0xf) == 0);
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// ensure no duplicate results
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for (size_t j = 0; j < i; j++) {
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GPR_ASSERT(ps[i] != ps[j]);
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}
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// ensure writable
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memset(ps[i], 1, allocs[i]);
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}
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gpr_arena_destroy(a);
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gpr_free(ps);
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}
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#define TEST(name, init_size, ...) \
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static const size_t allocs_##name[] = {__VA_ARGS__}; \
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test(#name, init_size, allocs_##name, GPR_ARRAY_SIZE(allocs_##name))
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#define CONCURRENT_TEST_THREADS 100
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size_t concurrent_test_iterations() {
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if (sizeof(void*) < 8) return 1000;
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return 100000;
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}
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typedef struct {
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gpr_event ev_start;
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gpr_arena* arena;
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} concurrent_test_args;
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static void concurrent_test_body(void* arg) {
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concurrent_test_args* a = static_cast<concurrent_test_args*>(arg);
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gpr_event_wait(&a->ev_start, gpr_inf_future(GPR_CLOCK_REALTIME));
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for (size_t i = 0; i < concurrent_test_iterations(); i++) {
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*static_cast<char*>(gpr_arena_alloc(a->arena, 1)) = static_cast<char>(i);
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}
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}
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static void concurrent_test(void) {
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gpr_log(GPR_DEBUG, "concurrent_test");
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concurrent_test_args args;
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gpr_event_init(&args.ev_start);
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args.arena = gpr_arena_create(1024);
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grpc_core::Thread thds[CONCURRENT_TEST_THREADS];
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for (int i = 0; i < CONCURRENT_TEST_THREADS; i++) {
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thds[i] =
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grpc_core::Thread("grpc_concurrent_test", concurrent_test_body, &args);
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thds[i].Start();
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}
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gpr_event_set(&args.ev_start, (void*)1);
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for (auto& th : thds) {
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th.Join();
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}
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gpr_arena_destroy(args.arena);
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}
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int main(int argc, char* argv[]) {
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grpc_test_init(argc, argv);
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test_noop();
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TEST(0_1, 0, 1);
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TEST(1_1, 1, 1);
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TEST(1_2, 1, 2);
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TEST(1_3, 1, 3);
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TEST(1_inc, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11);
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TEST(6_123, 6, 1, 2, 3);
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concurrent_test();
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return 0;
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}
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