| /* |
| * |
| * Copyright 2017 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "test/core/end2end/end2end_tests.h" |
| |
| #include <string.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/sync.h> |
| #include <grpc/support/thd.h> |
| #include <grpc/support/time.h> |
| #include <grpc/support/useful.h> |
| |
| #include "test/core/end2end/cq_verifier.h" |
| |
| #define MAX_PING_STRIKES 1 |
| |
| static void *tag(intptr_t t) { return (void *)t; } |
| |
| static void drain_cq(grpc_completion_queue *cq) { |
| grpc_event ev; |
| do { |
| ev = grpc_completion_queue_next(cq, grpc_timeout_seconds_to_deadline(5), |
| NULL); |
| } while (ev.type != GRPC_QUEUE_SHUTDOWN); |
| } |
| |
| static void shutdown_server(grpc_end2end_test_fixture *f) { |
| if (!f->server) return; |
| grpc_server_destroy(f->server); |
| f->server = NULL; |
| } |
| |
| static void shutdown_client(grpc_end2end_test_fixture *f) { |
| if (!f->client) return; |
| grpc_channel_destroy(f->client); |
| f->client = NULL; |
| } |
| |
| static void end_test(grpc_end2end_test_fixture *f) { |
| shutdown_server(f); |
| shutdown_client(f); |
| |
| grpc_completion_queue_shutdown(f->cq); |
| drain_cq(f->cq); |
| grpc_completion_queue_destroy(f->cq); |
| grpc_completion_queue_destroy(f->shutdown_cq); |
| } |
| |
| static void test_bad_ping(grpc_end2end_test_config config) { |
| grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL); |
| cq_verifier *cqv = cq_verifier_create(f.cq); |
| grpc_arg client_a[] = { |
| {.type = GRPC_ARG_INTEGER, |
| .key = GRPC_ARG_HTTP2_MIN_SENT_PING_INTERVAL_WITHOUT_DATA_MS, |
| .value.integer = 10}, |
| {.type = GRPC_ARG_INTEGER, |
| .key = GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA, |
| .value.integer = 0}, |
| {.type = GRPC_ARG_INTEGER, |
| .key = GRPC_ARG_HTTP2_BDP_PROBE, |
| .value.integer = 0}}; |
| grpc_arg server_a[] = { |
| {.type = GRPC_ARG_INTEGER, |
| .key = GRPC_ARG_HTTP2_MIN_RECV_PING_INTERVAL_WITHOUT_DATA_MS, |
| .value.integer = 300000 /* 5 minutes */}, |
| {.type = GRPC_ARG_INTEGER, |
| .key = GRPC_ARG_HTTP2_MAX_PING_STRIKES, |
| .value.integer = MAX_PING_STRIKES}, |
| {.type = GRPC_ARG_INTEGER, |
| .key = GRPC_ARG_HTTP2_BDP_PROBE, |
| .value.integer = 0}}; |
| grpc_channel_args client_args = {.num_args = GPR_ARRAY_SIZE(client_a), |
| .args = client_a}; |
| grpc_channel_args server_args = {.num_args = GPR_ARRAY_SIZE(server_a), |
| .args = server_a}; |
| |
| config.init_client(&f, &client_args); |
| config.init_server(&f, &server_args); |
| |
| grpc_call *c; |
| grpc_call *s; |
| gpr_timespec deadline = grpc_timeout_seconds_to_deadline(10); |
| grpc_op ops[6]; |
| grpc_op *op; |
| grpc_metadata_array initial_metadata_recv; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_metadata_array request_metadata_recv; |
| grpc_call_details call_details; |
| grpc_status_code status; |
| grpc_call_error error; |
| grpc_slice details; |
| int was_cancelled = 2; |
| |
| c = grpc_channel_create_call( |
| f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, |
| grpc_slice_from_static_string("/foo"), |
| get_host_override_slice("foo.test.google.fr:1234", config), deadline, |
| NULL); |
| GPR_ASSERT(c); |
| |
| grpc_metadata_array_init(&initial_metadata_recv); |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| grpc_metadata_array_init(&request_metadata_recv); |
| grpc_call_details_init(&call_details); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op->data.send_initial_metadata.metadata = NULL; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
| op->data.recv_status_on_client.status = &status; |
| op->data.recv_status_on_client.status_details = &details; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| error = |
| grpc_server_request_call(f.server, &s, &call_details, |
| &request_metadata_recv, f.cq, f.cq, tag(101)); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| CQ_EXPECT_COMPLETION(cqv, tag(101), 1); |
| cq_verify(cqv); |
| |
| // Send too many pings to the server to trigger the punishment: |
| // Each ping will trigger a ping strike, and we need at least MAX_PING_STRIKES |
| // strikes to trigger the punishment. So (MAX_PING_STRIKES + 1) pings are |
| // needed here. |
| int i; |
| for (i = 1; i <= MAX_PING_STRIKES + 1; i++) { |
| grpc_channel_ping(f.client, f.cq, tag(200 + i), NULL); |
| CQ_EXPECT_COMPLETION(cqv, tag(200 + i), 1); |
| if (i == MAX_PING_STRIKES + 1) { |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| } |
| cq_verify(cqv); |
| } |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
| op->data.send_status_from_server.trailing_metadata_count = 0; |
| op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED; |
| grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
| op->data.send_status_from_server.status_details = &status_details; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| op->data.recv_close_on_server.cancelled = &was_cancelled; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| CQ_EXPECT_COMPLETION(cqv, tag(102), 1); |
| cq_verify(cqv); |
| |
| grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead)); |
| CQ_EXPECT_COMPLETION(cqv, tag(0xdead), 1); |
| cq_verify(cqv); |
| |
| grpc_call_unref(s); |
| |
| // The connection should be closed immediately after the misbehaved pings, |
| // the in-progress RPC should fail. |
| GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE); |
| GPR_ASSERT(0 == grpc_slice_str_cmp(details, "Endpoint read failed")); |
| GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo")); |
| validate_host_override_string("foo.test.google.fr:1234", call_details.host, |
| config); |
| GPR_ASSERT(was_cancelled == 1); |
| |
| grpc_slice_unref(details); |
| grpc_metadata_array_destroy(&initial_metadata_recv); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| grpc_call_details_destroy(&call_details); |
| grpc_call_unref(c); |
| cq_verifier_destroy(cqv); |
| end_test(&f); |
| config.tear_down_data(&f); |
| } |
| |
| void bad_ping(grpc_end2end_test_config config) { |
| GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION); |
| test_bad_ping(config); |
| } |
| |
| void bad_ping_pre_init(void) {} |