| /* |
| * |
| * Copyright 2016 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 <string.h> |
| |
| #include <grpc/byte_buffer.h> |
| #include <grpc/load_reporting.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| #include <grpc/support/time.h> |
| #include <grpc/support/useful.h> |
| |
| #include "src/core/ext/filters/load_reporting/server_load_reporting_filter.h" |
| #include "src/core/ext/filters/load_reporting/server_load_reporting_plugin.h" |
| #include "src/core/lib/channel/channel_args.h" |
| #include "src/core/lib/transport/static_metadata.h" |
| |
| #include "test/core/end2end/cq_verifier.h" |
| #include "test/core/end2end/end2end_tests.h" |
| |
| enum { TIMEOUT = 200000 }; |
| |
| static void* tag(intptr_t t) { return (void*)t; } |
| |
| typedef struct { |
| gpr_mu mu; |
| intptr_t channel_id; |
| intptr_t call_id; |
| |
| char* initial_md_str; |
| char* trailing_md_str; |
| char* method_name; |
| |
| uint64_t incoming_bytes; |
| uint64_t outgoing_bytes; |
| |
| grpc_status_code call_final_status; |
| |
| bool fully_processed; |
| } load_reporting_data; |
| |
| 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); |
| |
| f = config.create_fixture(client_args, server_args); |
| 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->shutdown_cq, tag(1000)); |
| GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000), |
| grpc_timeout_seconds_to_deadline(5), |
| nullptr) |
| .type == GRPC_OP_COMPLETE); |
| 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); |
| } |
| |
| static void request_response_with_payload( |
| grpc_end2end_test_config config, grpc_end2end_test_fixture f, |
| const char* method_name, const char* request_msg, const char* response_msg, |
| grpc_metadata* initial_lr_metadata, grpc_metadata* trailing_lr_metadata) { |
| grpc_slice request_payload_slice = grpc_slice_from_static_string(request_msg); |
| grpc_slice response_payload_slice = |
| grpc_slice_from_static_string(response_msg); |
| grpc_call* c; |
| grpc_call* s; |
| grpc_byte_buffer* request_payload = |
| grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
| grpc_byte_buffer* response_payload = |
| grpc_raw_byte_buffer_create(&response_payload_slice, 1); |
| cq_verifier* cqv = cq_verifier_create(f.cq); |
| 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_byte_buffer* request_payload_recv = nullptr; |
| grpc_byte_buffer* response_payload_recv = nullptr; |
| grpc_call_details call_details; |
| grpc_status_code status; |
| grpc_call_error error; |
| grpc_slice details; |
| int was_cancelled = 2; |
| |
| gpr_timespec deadline = five_seconds_from_now(); |
| c = grpc_channel_create_call( |
| f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, |
| grpc_slice_from_static_string(method_name), |
| get_host_override_slice("foo.test.google.fr:1234", config), deadline, |
| 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; |
| GPR_ASSERT(initial_lr_metadata != nullptr); |
| op->data.send_initial_metadata.count = 1; |
| op->data.send_initial_metadata.metadata = initial_lr_metadata; |
| 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_MESSAGE; |
| op->data.recv_message.recv_message = &response_payload_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); |
| |
| 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_MESSAGE; |
| op->data.recv_message.recv_message = &request_payload_recv; |
| 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_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_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; |
| GPR_ASSERT(trailing_lr_metadata != nullptr); |
| op->data.send_status_from_server.trailing_metadata_count = 1; |
| op->data.send_status_from_server.trailing_metadata = trailing_lr_metadata; |
| 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(103), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| CQ_EXPECT_COMPLETION(cqv, tag(103), 1); |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| cq_verify(cqv); |
| |
| GPR_ASSERT(status == GRPC_STATUS_OK); |
| |
| 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); |
| grpc_call_unref(s); |
| |
| cq_verifier_destroy(cqv); |
| |
| grpc_byte_buffer_destroy(request_payload); |
| grpc_byte_buffer_destroy(response_payload); |
| grpc_byte_buffer_destroy(request_payload_recv); |
| grpc_byte_buffer_destroy(response_payload_recv); |
| } |
| |
| /* override the default for testing purposes */ |
| extern void (*g_load_reporting_fn)( |
| const grpc_load_reporting_call_data* call_data); |
| |
| static void test_load_reporting_hook(grpc_end2end_test_config config) { |
| /* TODO(dgq): this test is currently a noop until LR is fully defined. |
| * Leaving the rest here, as it'll likely be reusable. */ |
| |
| /* Introduce load reporting for the server through its arguments */ |
| grpc_arg arg = grpc_load_reporting_enable_arg(); |
| grpc_channel_args* lr_server_args = |
| grpc_channel_args_copy_and_add(nullptr, &arg, 1); |
| |
| grpc_end2end_test_fixture f = |
| begin_test(config, "test_load_reporting_hook", nullptr, lr_server_args); |
| |
| const char* method_name = "/gRPCFTW"; |
| const char* request_msg = "the msg from the client"; |
| const char* response_msg = "... and the response from the server"; |
| |
| grpc_metadata initial_lr_metadata; |
| grpc_metadata trailing_lr_metadata; |
| |
| initial_lr_metadata.key = GRPC_MDSTR_LB_TOKEN; |
| initial_lr_metadata.value = grpc_slice_from_static_string("client-token"); |
| memset(&initial_lr_metadata.internal_data, 0, |
| sizeof(initial_lr_metadata.internal_data)); |
| |
| trailing_lr_metadata.key = GRPC_MDSTR_LB_COST_BIN; |
| trailing_lr_metadata.value = grpc_slice_from_static_string("server-token"); |
| memset(&trailing_lr_metadata.internal_data, 0, |
| sizeof(trailing_lr_metadata.internal_data)); |
| |
| request_response_with_payload(config, f, method_name, request_msg, |
| response_msg, &initial_lr_metadata, |
| &trailing_lr_metadata); |
| end_test(&f); |
| { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_channel_args_destroy(&exec_ctx, lr_server_args); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| config.tear_down_data(&f); |
| } |
| |
| void load_reporting_hook(grpc_end2end_test_config config) { |
| test_load_reporting_hook(config); |
| } |
| |
| void load_reporting_hook_pre_init(void) {} |