diff options
Diffstat (limited to 'test/core/end2end/tests/load_reporting_hook.cc')
-rw-r--r-- | test/core/end2end/tests/load_reporting_hook.cc | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/test/core/end2end/tests/load_reporting_hook.cc b/test/core/end2end/tests/load_reporting_hook.cc new file mode 100644 index 0000000000..d9f7549fa3 --- /dev/null +++ b/test/core/end2end/tests/load_reporting_hook.cc @@ -0,0 +1,314 @@ +/* + * + * 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(), NULL); + } 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), + NULL) + .type == GRPC_OP_COMPLETE); + 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 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 = NULL; + grpc_byte_buffer *response_payload_recv = NULL; + 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, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, + grpc_slice_from_static_string(method_name), + 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; + GPR_ASSERT(initial_lr_metadata != NULL); + op->data.send_initial_metadata.count = 1; + op->data.send_initial_metadata.metadata = initial_lr_metadata; + op->flags = 0; + op->reserved = NULL; + op++; + op->op = GRPC_OP_SEND_MESSAGE; + op->data.send_message.send_message = request_payload; + 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_MESSAGE; + op->data.recv_message.recv_message = &response_payload_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); + + 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_RECV_MESSAGE; + op->data.recv_message.recv_message = &request_payload_recv; + 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); + + 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 = NULL; + op++; + op->op = GRPC_OP_SEND_MESSAGE; + op->data.send_message.send_message = response_payload; + op->flags = 0; + op->reserved = NULL; + op++; + op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; + GPR_ASSERT(trailing_lr_metadata != NULL); + 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 = NULL; + op++; + error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL); + 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(NULL, &arg, 1); + + grpc_end2end_test_fixture f = + begin_test(config, "test_load_reporting_hook", NULL, 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); + { + ExecCtx _local_exec_ctx; + grpc_channel_args_destroy(lr_server_args); + grpc_exec_ctx_finish(); + } + 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) {} |