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@ -220,8 +220,223 @@ static void test_keepalive_timeout(grpc_end2end_test_config config) { |
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config.tear_down_data(&f); |
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} |
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/* Verify that reads reset the keepalive ping timer. The client sends 30 pings
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* with a sleep of 10ms in between. It has a configured keepalive timer of |
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* 200ms. In the success case, each ping ack should reset the keepalive timer so |
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* that the keepalive ping is never sent. */ |
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static void test_read_delays_keepalive(grpc_end2end_test_config config) { |
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char* poller = gpr_getenv("GRPC_POLL_STRATEGY"); |
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/* It is hard to get the timing right for the polling engines poll and poll-cv
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*/ |
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if (poller != nullptr && |
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(0 == strcmp(poller, "poll-cv") || 0 == strcmp(poller, "poll"))) { |
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gpr_free(poller); |
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return; |
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} |
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gpr_free(poller); |
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const int kPingIntervalMS = 100; |
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grpc_arg keepalive_arg_elems[3]; |
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keepalive_arg_elems[0].type = GRPC_ARG_INTEGER; |
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keepalive_arg_elems[0].key = const_cast<char*>(GRPC_ARG_KEEPALIVE_TIME_MS); |
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keepalive_arg_elems[0].value.integer = 20 * kPingIntervalMS; |
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keepalive_arg_elems[1].type = GRPC_ARG_INTEGER; |
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keepalive_arg_elems[1].key = const_cast<char*>(GRPC_ARG_KEEPALIVE_TIMEOUT_MS); |
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keepalive_arg_elems[1].value.integer = 0; |
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keepalive_arg_elems[2].type = GRPC_ARG_INTEGER; |
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keepalive_arg_elems[2].key = const_cast<char*>(GRPC_ARG_HTTP2_BDP_PROBE); |
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keepalive_arg_elems[2].value.integer = 0; |
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grpc_channel_args keepalive_args = {GPR_ARRAY_SIZE(keepalive_arg_elems), |
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keepalive_arg_elems}; |
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grpc_end2end_test_fixture f = begin_test(config, "test_read_delays_keepalive", |
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&keepalive_args, nullptr); |
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/* Disable ping ack to trigger the keepalive timeout */ |
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grpc_set_disable_ping_ack(true); |
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grpc_call* c; |
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grpc_call* s; |
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cq_verifier* cqv = cq_verifier_create(f.cq); |
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grpc_op ops[6]; |
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grpc_op* op; |
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grpc_metadata_array initial_metadata_recv; |
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grpc_metadata_array trailing_metadata_recv; |
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grpc_metadata_array request_metadata_recv; |
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grpc_call_details call_details; |
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grpc_status_code status; |
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grpc_call_error error; |
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grpc_slice details; |
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int was_cancelled = 2; |
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grpc_byte_buffer* request_payload; |
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grpc_byte_buffer* request_payload_recv; |
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grpc_byte_buffer* response_payload; |
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grpc_byte_buffer* response_payload_recv; |
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int i; |
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grpc_slice request_payload_slice = |
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grpc_slice_from_copied_string("hello world"); |
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grpc_slice response_payload_slice = |
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grpc_slice_from_copied_string("hello you"); |
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gpr_timespec deadline = five_seconds_from_now(); |
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c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
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grpc_slice_from_static_string("/foo"), nullptr, |
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deadline, nullptr); |
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GPR_ASSERT(c); |
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grpc_metadata_array_init(&initial_metadata_recv); |
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grpc_metadata_array_init(&trailing_metadata_recv); |
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grpc_metadata_array_init(&request_metadata_recv); |
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grpc_call_details_init(&call_details); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_INITIAL_METADATA; |
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op->data.send_initial_metadata.count = 0; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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op->op = GRPC_OP_RECV_INITIAL_METADATA; |
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op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
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op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
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op->data.recv_status_on_client.status = &status; |
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op->data.recv_status_on_client.status_details = &details; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(1), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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error = |
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grpc_server_request_call(f.server, &s, &call_details, |
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&request_metadata_recv, f.cq, f.cq, tag(100)); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(100), 1); |
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cq_verify(cqv); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_INITIAL_METADATA; |
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op->data.send_initial_metadata.count = 0; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
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op->data.recv_close_on_server.cancelled = &was_cancelled; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(101), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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for (i = 0; i < 30; i++) { |
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request_payload = grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
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response_payload = grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_MESSAGE; |
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op->data.send_message.send_message = request_payload; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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op->op = GRPC_OP_RECV_MESSAGE; |
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op->data.recv_message.recv_message = &response_payload_recv; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(2), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_RECV_MESSAGE; |
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op->data.recv_message.recv_message = &request_payload_recv; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), |
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tag(102), nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(102), 1); |
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cq_verify(cqv); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_MESSAGE; |
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op->data.send_message.send_message = response_payload; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), |
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tag(103), nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(103), 1); |
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CQ_EXPECT_COMPLETION(cqv, tag(2), 1); |
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cq_verify(cqv); |
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grpc_byte_buffer_destroy(request_payload); |
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grpc_byte_buffer_destroy(response_payload); |
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grpc_byte_buffer_destroy(request_payload_recv); |
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grpc_byte_buffer_destroy(response_payload_recv); |
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/* Sleep for a short interval to check if the client sends any pings */ |
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gpr_sleep_until(grpc_timeout_milliseconds_to_deadline(kPingIntervalMS)); |
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} |
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grpc_slice_unref(request_payload_slice); |
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grpc_slice_unref(response_payload_slice); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops), tag(3), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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memset(ops, 0, sizeof(ops)); |
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op = ops; |
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op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
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op->data.send_status_from_server.trailing_metadata_count = 0; |
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op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED; |
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grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
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op->data.send_status_from_server.status_details = &status_details; |
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op->flags = 0; |
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op->reserved = nullptr; |
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op++; |
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error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops), tag(104), |
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nullptr); |
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GPR_ASSERT(GRPC_CALL_OK == error); |
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CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
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CQ_EXPECT_COMPLETION(cqv, tag(3), 1); |
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CQ_EXPECT_COMPLETION(cqv, tag(101), 1); |
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CQ_EXPECT_COMPLETION(cqv, tag(104), 1); |
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cq_verify(cqv); |
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grpc_call_unref(c); |
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grpc_call_unref(s); |
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cq_verifier_destroy(cqv); |
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grpc_metadata_array_destroy(&initial_metadata_recv); |
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grpc_metadata_array_destroy(&trailing_metadata_recv); |
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grpc_metadata_array_destroy(&request_metadata_recv); |
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grpc_call_details_destroy(&call_details); |
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grpc_slice_unref(details); |
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end_test(&f); |
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config.tear_down_data(&f); |
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} |
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void keepalive_timeout(grpc_end2end_test_config config) { |
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test_keepalive_timeout(config); |
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test_read_delays_keepalive(config); |
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} |
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void keepalive_timeout_pre_init(void) {} |
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