/* * * Copyright 2017, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include "test/core/end2end/end2end_tests.h" #include #include #include #include #include #include #include #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_TIME_BETWEEN_PINGS_MS, .value.integer = 0}, {.type = GRPC_ARG_INTEGER, .key = GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA, .value.integer = 20}, {.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_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}}; 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: // The first ping is sent after data frames, it won't trigger a ping strike. // Each of the following pings will trigger a ping strike, and we need at // least (MAX_PING_STRIKES + 1) strikes to trigger the punishment. So // (MAX_PING_STRIKES + 2) pings are needed here. int i; for (i = 200; i < 202 + MAX_PING_STRIKES; i++) { grpc_channel_ping(f.client, f.cq, tag(i), NULL); CQ_EXPECT_COMPLETION(cqv, tag(i), 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_EXPECT_COMPLETION(cqv, tag(1), 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_destroy(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_destroy(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) {}