| /* |
| * |
| * Copyright 2015 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 <stdio.h> |
| #include <string.h> |
| |
| #include <grpc/byte_buffer.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.h> |
| #include <grpc/support/useful.h> |
| |
| #include "src/core/lib/channel/channel_args.h" |
| #include "src/core/lib/slice/slice_internal.h" |
| #include "src/core/lib/transport/metadata.h" |
| #include "src/core/lib/transport/service_config.h" |
| |
| #include "test/core/end2end/cq_verifier.h" |
| |
| static void* tag(intptr_t t) { return (void*)t; } |
| |
| static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
| const char* test_name, |
| grpc_channel_args* client_args, |
| grpc_channel_args* server_args) { |
| grpc_end2end_test_fixture f; |
| gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name); |
| // We intentionally do not pass the client and server args to |
| // create_fixture(), since we don't want the limit enforced on the |
| // proxy, only on the backend server. |
| f = config.create_fixture(nullptr, nullptr); |
| config.init_server(&f, server_args); |
| config.init_client(&f, client_args); |
| return f; |
| } |
| |
| static gpr_timespec n_seconds_from_now(int n) { |
| return grpc_timeout_seconds_to_deadline(n); |
| } |
| |
| static gpr_timespec five_seconds_from_now(void) { |
| return n_seconds_from_now(5); |
| } |
| |
| static void drain_cq(grpc_completion_queue* cq) { |
| grpc_event ev; |
| do { |
| ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); |
| } while (ev.type != GRPC_QUEUE_SHUTDOWN); |
| } |
| |
| static void shutdown_server(grpc_end2end_test_fixture* f) { |
| if (!f->server) return; |
| grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000)); |
| grpc_event ev = grpc_completion_queue_next( |
| f->cq, grpc_timeout_seconds_to_deadline(5), nullptr); |
| GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
| GPR_ASSERT(ev.tag == tag(1000)); |
| grpc_server_destroy(f->server); |
| f->server = nullptr; |
| } |
| |
| static void shutdown_client(grpc_end2end_test_fixture* f) { |
| if (!f->client) return; |
| grpc_channel_destroy(f->client); |
| f->client = nullptr; |
| } |
| |
| 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); |
| } |
| |
| // Test with request larger than the limit. |
| // If send_limit is true, applies send limit on client; otherwise, applies |
| // recv limit on server. |
| static void test_max_message_length_on_request(grpc_end2end_test_config config, |
| bool send_limit, |
| bool use_service_config, |
| bool use_string_json_value) { |
| gpr_log(GPR_INFO, |
| "testing request with send_limit=%d use_service_config=%d " |
| "use_string_json_value=%d", |
| send_limit, use_service_config, use_string_json_value); |
| |
| grpc_end2end_test_fixture f; |
| grpc_call* c = nullptr; |
| grpc_call* s = nullptr; |
| cq_verifier* cqv; |
| grpc_op ops[6]; |
| grpc_op* op; |
| grpc_slice request_payload_slice = |
| grpc_slice_from_copied_string("hello world"); |
| grpc_byte_buffer* request_payload = |
| grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
| grpc_byte_buffer* recv_payload = nullptr; |
| 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; |
| |
| grpc_channel_args* client_args = nullptr; |
| grpc_channel_args* server_args = nullptr; |
| if (use_service_config) { |
| // We don't currently support service configs on the server side. |
| GPR_ASSERT(send_limit); |
| grpc_arg arg; |
| arg.type = GRPC_ARG_STRING; |
| arg.key = const_cast<char*>(GRPC_ARG_SERVICE_CONFIG); |
| arg.value.string = |
| use_string_json_value |
| ? const_cast<char*>( |
| "{\n" |
| " \"methodConfig\": [ {\n" |
| " \"name\": [\n" |
| " { \"service\": \"service\", \"method\": \"method\" }\n" |
| " ],\n" |
| " \"maxRequestMessageBytes\": \"5\"\n" |
| " } ]\n" |
| "}") |
| : const_cast<char*>( |
| "{\n" |
| " \"methodConfig\": [ {\n" |
| " \"name\": [\n" |
| " { \"service\": \"service\", \"method\": \"method\" }\n" |
| " ],\n" |
| " \"maxRequestMessageBytes\": 5\n" |
| " } ]\n" |
| "}"); |
| client_args = grpc_channel_args_copy_and_add(nullptr, &arg, 1); |
| } else { |
| // Set limit via channel args. |
| grpc_arg arg; |
| arg.key = send_limit |
| ? const_cast<char*>(GRPC_ARG_MAX_SEND_MESSAGE_LENGTH) |
| : const_cast<char*>(GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH); |
| arg.type = GRPC_ARG_INTEGER; |
| arg.value.integer = 5; |
| grpc_channel_args* args = grpc_channel_args_copy_and_add(nullptr, &arg, 1); |
| if (send_limit) { |
| client_args = args; |
| } else { |
| server_args = args; |
| } |
| } |
| |
| f = begin_test(config, "test_max_request_message_length", client_args, |
| server_args); |
| { |
| grpc_core::ExecCtx exec_ctx; |
| if (client_args != nullptr) grpc_channel_args_destroy(client_args); |
| if (server_args != nullptr) grpc_channel_args_destroy(server_args); |
| } |
| |
| cqv = cq_verifier_create(f.cq); |
| |
| c = grpc_channel_create_call( |
| f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
| grpc_slice_from_static_string("/service/method"), |
| get_host_override_slice("foo.test.google.fr:1234", config), |
| gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| 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->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = request_payload; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op->flags = 0; |
| op->reserved = nullptr; |
| 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 = nullptr; |
| op++; |
| error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| if (send_limit) { |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| cq_verify(cqv); |
| goto done; |
| } |
| |
| 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); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| op->data.recv_close_on_server.cancelled = &was_cancelled; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &recv_payload; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| CQ_EXPECT_COMPLETION(cqv, tag(102), 1); |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| cq_verify(cqv); |
| |
| GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/service/method")); |
| validate_host_override_string("foo.test.google.fr:1234", call_details.host, |
| config); |
| GPR_ASSERT(was_cancelled == 1); |
| |
| done: |
| GPR_ASSERT(status == GRPC_STATUS_RESOURCE_EXHAUSTED); |
| GPR_ASSERT( |
| grpc_slice_str_cmp( |
| details, send_limit |
| ? "Sent message larger than max (11 vs. 5)" |
| : "Received message larger than max (11 vs. 5)") == 0); |
| |
| 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_byte_buffer_destroy(request_payload); |
| grpc_byte_buffer_destroy(recv_payload); |
| |
| grpc_call_unref(c); |
| if (s != nullptr) grpc_call_unref(s); |
| |
| cq_verifier_destroy(cqv); |
| |
| end_test(&f); |
| config.tear_down_data(&f); |
| } |
| |
| // Test with response larger than the limit. |
| // If send_limit is true, applies send limit on server; otherwise, applies |
| // recv limit on client. |
| static void test_max_message_length_on_response(grpc_end2end_test_config config, |
| bool send_limit, |
| bool use_service_config, |
| bool use_string_json_value) { |
| gpr_log(GPR_INFO, |
| "testing response with send_limit=%d use_service_config=%d " |
| "use_string_json_value=%d", |
| send_limit, use_service_config, use_string_json_value); |
| |
| grpc_end2end_test_fixture f; |
| grpc_call* c = nullptr; |
| grpc_call* s = nullptr; |
| cq_verifier* cqv; |
| grpc_op ops[6]; |
| grpc_op* op; |
| grpc_slice response_payload_slice = |
| grpc_slice_from_copied_string("hello world"); |
| grpc_byte_buffer* response_payload = |
| grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
| grpc_byte_buffer* recv_payload = nullptr; |
| 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; |
| |
| grpc_channel_args* client_args = nullptr; |
| grpc_channel_args* server_args = nullptr; |
| if (use_service_config) { |
| // We don't currently support service configs on the server side. |
| GPR_ASSERT(!send_limit); |
| grpc_arg arg; |
| arg.type = GRPC_ARG_STRING; |
| arg.key = const_cast<char*>(GRPC_ARG_SERVICE_CONFIG); |
| arg.value.string = const_cast<char*>( |
| use_string_json_value |
| ? "{\n" |
| " \"methodConfig\": [ {\n" |
| " \"name\": [\n" |
| " { \"service\": \"service\", \"method\": \"method\" }\n" |
| " ],\n" |
| " \"maxResponseMessageBytes\": \"5\"\n" |
| " } ]\n" |
| "}" |
| : "{\n" |
| " \"methodConfig\": [ {\n" |
| " \"name\": [\n" |
| " { \"service\": \"service\", \"method\": \"method\" }\n" |
| " ],\n" |
| " \"maxResponseMessageBytes\": 5\n" |
| " } ]\n" |
| "}"); |
| client_args = grpc_channel_args_copy_and_add(nullptr, &arg, 1); |
| } else { |
| // Set limit via channel args. |
| grpc_arg arg; |
| arg.key = send_limit |
| ? const_cast<char*>(GRPC_ARG_MAX_SEND_MESSAGE_LENGTH) |
| : const_cast<char*>(GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH); |
| arg.type = GRPC_ARG_INTEGER; |
| arg.value.integer = 5; |
| grpc_channel_args* args = grpc_channel_args_copy_and_add(nullptr, &arg, 1); |
| if (send_limit) { |
| server_args = args; |
| } else { |
| client_args = args; |
| } |
| } |
| |
| f = begin_test(config, "test_max_response_message_length", client_args, |
| server_args); |
| { |
| grpc_core::ExecCtx exec_ctx; |
| if (client_args != nullptr) grpc_channel_args_destroy(client_args); |
| if (server_args != nullptr) grpc_channel_args_destroy(server_args); |
| } |
| cqv = cq_verifier_create(f.cq); |
| |
| c = grpc_channel_create_call( |
| f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
| grpc_slice_from_static_string("/service/method"), |
| get_host_override_slice("foo.test.google.fr:1234", config), |
| gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| 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->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &recv_payload; |
| op->flags = 0; |
| op->reserved = nullptr; |
| 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 = nullptr; |
| op++; |
| error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), nullptr); |
| 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); |
| |
| 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 = nullptr; |
| op++; |
| op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| op->data.recv_close_on_server.cancelled = &was_cancelled; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = response_payload; |
| op->flags = 0; |
| op->reserved = nullptr; |
| 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_OK; |
| 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 = nullptr; |
| op++; |
| error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| CQ_EXPECT_COMPLETION(cqv, tag(102), 1); |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| cq_verify(cqv); |
| |
| GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/service/method")); |
| GPR_ASSERT(0 == |
| grpc_slice_str_cmp(call_details.host, "foo.test.google.fr:1234")); |
| |
| GPR_ASSERT(status == GRPC_STATUS_RESOURCE_EXHAUSTED); |
| GPR_ASSERT( |
| grpc_slice_str_cmp( |
| details, send_limit |
| ? "Sent message larger than max (11 vs. 5)" |
| : "Received message larger than max (11 vs. 5)") == 0); |
| |
| 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_byte_buffer_destroy(response_payload); |
| grpc_byte_buffer_destroy(recv_payload); |
| |
| grpc_call_unref(c); |
| if (s != nullptr) grpc_call_unref(s); |
| |
| cq_verifier_destroy(cqv); |
| |
| end_test(&f); |
| config.tear_down_data(&f); |
| } |
| |
| void max_message_length(grpc_end2end_test_config config) { |
| test_max_message_length_on_request(config, false /* send_limit */, |
| false /* use_service_config */, |
| false /* use_string_json_value */); |
| test_max_message_length_on_request(config, true /* send_limit */, |
| false /* use_service_config */, |
| false /* use_string_json_value */); |
| test_max_message_length_on_response(config, false /* send_limit */, |
| false /* use_service_config */, |
| false /* use_string_json_value */); |
| test_max_message_length_on_response(config, true /* send_limit */, |
| false /* use_service_config */, |
| false /* use_string_json_value */); |
| test_max_message_length_on_request(config, true /* send_limit */, |
| true /* use_service_config */, |
| false /* use_string_json_value */); |
| test_max_message_length_on_request(config, true /* send_limit */, |
| true /* use_service_config */, |
| true /* use_string_json_value */); |
| test_max_message_length_on_response(config, false /* send_limit */, |
| true /* use_service_config */, |
| false /* use_string_json_value */); |
| test_max_message_length_on_response(config, false /* send_limit */, |
| true /* use_service_config */, |
| true /* use_string_json_value */); |
| } |
| |
| void max_message_length_pre_init(void) {} |