| /* |
| * |
| * 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 <grpc/grpc.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <grpc/support/cmdline.h> |
| #include <grpc/support/histogram.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.h> |
| #include <grpc/support/useful.h> |
| #include "src/core/lib/profiling/timers.h" |
| #include "test/core/util/grpc_profiler.h" |
| #include "test/core/util/test_config.h" |
| |
| static gpr_histogram* histogram; |
| static grpc_byte_buffer* the_buffer; |
| static grpc_channel* channel; |
| static grpc_completion_queue* cq; |
| static grpc_call* call; |
| static grpc_op ops[6]; |
| static grpc_op stream_init_ops[2]; |
| static grpc_op stream_step_ops[2]; |
| static grpc_metadata_array initial_metadata_recv; |
| static grpc_metadata_array trailing_metadata_recv; |
| static grpc_byte_buffer* response_payload_recv = nullptr; |
| static grpc_status_code status; |
| static grpc_slice details; |
| static grpc_op* op; |
| |
| static void init_ping_pong_request(void) { |
| grpc_metadata_array_init(&initial_metadata_recv); |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op++; |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = the_buffer; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op++; |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &response_payload_recv; |
| 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++; |
| } |
| |
| static void step_ping_pong_request(void) { |
| GPR_TIMER_BEGIN("ping_pong", 1); |
| grpc_slice host = grpc_slice_from_static_string("localhost"); |
| call = grpc_channel_create_call( |
| channel, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/Reflector/reflectUnary"), &host, |
| gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call, ops, |
| (size_t)(op - ops), (void*)1, |
| nullptr)); |
| grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| grpc_call_unref(call); |
| grpc_byte_buffer_destroy(response_payload_recv); |
| call = nullptr; |
| GPR_TIMER_END("ping_pong", 1); |
| } |
| |
| static void init_ping_pong_stream(void) { |
| grpc_metadata_array_init(&initial_metadata_recv); |
| |
| grpc_call_error error; |
| grpc_slice host = grpc_slice_from_static_string("localhost"); |
| call = grpc_channel_create_call( |
| channel, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/Reflector/reflectStream"), &host, |
| gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| stream_init_ops[0].op = GRPC_OP_SEND_INITIAL_METADATA; |
| stream_init_ops[0].data.send_initial_metadata.count = 0; |
| stream_init_ops[1].op = GRPC_OP_RECV_INITIAL_METADATA; |
| stream_init_ops[1].data.recv_initial_metadata.recv_initial_metadata = |
| &initial_metadata_recv; |
| error = grpc_call_start_batch(call, stream_init_ops, 2, (void*)1, nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| |
| grpc_metadata_array_init(&initial_metadata_recv); |
| |
| stream_step_ops[0].op = GRPC_OP_SEND_MESSAGE; |
| stream_step_ops[0].data.send_message.send_message = the_buffer; |
| stream_step_ops[1].op = GRPC_OP_RECV_MESSAGE; |
| stream_step_ops[1].data.recv_message.recv_message = &response_payload_recv; |
| } |
| |
| static void step_ping_pong_stream(void) { |
| grpc_call_error error; |
| GPR_TIMER_BEGIN("ping_pong", 1); |
| error = grpc_call_start_batch(call, stream_step_ops, 2, (void*)1, nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| grpc_byte_buffer_destroy(response_payload_recv); |
| GPR_TIMER_END("ping_pong", 1); |
| } |
| |
| static double now(void) { |
| gpr_timespec tv = gpr_now(GPR_CLOCK_REALTIME); |
| return 1e9 * (double)tv.tv_sec + tv.tv_nsec; |
| } |
| |
| typedef struct { |
| const char* name; |
| void (*init)(); |
| void (*do_one_step)(); |
| } scenario; |
| |
| static const scenario scenarios[] = { |
| {"ping-pong-request", init_ping_pong_request, step_ping_pong_request}, |
| {"ping-pong-stream", init_ping_pong_stream, step_ping_pong_stream}, |
| }; |
| |
| int main(int argc, char** argv) { |
| grpc_slice slice = grpc_slice_from_copied_string("x"); |
| double start, stop; |
| unsigned i; |
| |
| char* fake_argv[1]; |
| |
| int payload_size = 1; |
| int secure = 0; |
| const char* target = "localhost:443"; |
| gpr_cmdline* cl; |
| grpc_event event; |
| const char* scenario_name = "ping-pong-request"; |
| scenario sc = {nullptr, nullptr, nullptr}; |
| |
| gpr_timers_set_log_filename("latency_trace.fling_client.txt"); |
| |
| grpc_init(); |
| |
| GPR_ASSERT(argc >= 1); |
| fake_argv[0] = argv[0]; |
| grpc_test_init(1, fake_argv); |
| |
| int warmup_seconds = 1; |
| int benchmark_seconds = 5; |
| |
| cl = gpr_cmdline_create("fling client"); |
| gpr_cmdline_add_int(cl, "payload_size", "Size of the payload to send", |
| &payload_size); |
| gpr_cmdline_add_string(cl, "target", "Target host:port", &target); |
| gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure); |
| gpr_cmdline_add_string(cl, "scenario", "Scenario", &scenario_name); |
| gpr_cmdline_add_int(cl, "warmup", "Warmup seconds", &warmup_seconds); |
| gpr_cmdline_add_int(cl, "benchmark", "Benchmark seconds", &benchmark_seconds); |
| gpr_cmdline_parse(cl, argc, argv); |
| gpr_cmdline_destroy(cl); |
| |
| for (i = 0; i < GPR_ARRAY_SIZE(scenarios); i++) { |
| if (0 == strcmp(scenarios[i].name, scenario_name)) { |
| sc = scenarios[i]; |
| } |
| } |
| if (!sc.name) { |
| fprintf(stderr, "unsupported scenario '%s'. Valid are:", scenario_name); |
| for (i = 0; i < GPR_ARRAY_SIZE(scenarios); i++) { |
| fprintf(stderr, " %s", scenarios[i].name); |
| } |
| return 1; |
| } |
| |
| channel = grpc_insecure_channel_create(target, nullptr, nullptr); |
| cq = grpc_completion_queue_create_for_next(nullptr); |
| the_buffer = grpc_raw_byte_buffer_create(&slice, (size_t)payload_size); |
| histogram = gpr_histogram_create(0.01, 60e9); |
| |
| sc.init(); |
| |
| gpr_timespec end_warmup = grpc_timeout_seconds_to_deadline(warmup_seconds); |
| gpr_timespec end_profiling = |
| grpc_timeout_seconds_to_deadline(warmup_seconds + benchmark_seconds); |
| |
| while (gpr_time_cmp(gpr_now(end_warmup.clock_type), end_warmup) < 0) { |
| sc.do_one_step(); |
| } |
| |
| gpr_log(GPR_INFO, "start profiling"); |
| grpc_profiler_start("client.prof"); |
| while (gpr_time_cmp(gpr_now(end_profiling.clock_type), end_profiling) < 0) { |
| start = now(); |
| sc.do_one_step(); |
| stop = now(); |
| gpr_histogram_add(histogram, stop - start); |
| } |
| grpc_profiler_stop(); |
| |
| if (call) { |
| grpc_call_unref(call); |
| } |
| |
| grpc_channel_destroy(channel); |
| grpc_completion_queue_shutdown(cq); |
| do { |
| event = grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), |
| nullptr); |
| } while (event.type != GRPC_QUEUE_SHUTDOWN); |
| grpc_completion_queue_destroy(cq); |
| grpc_byte_buffer_destroy(the_buffer); |
| grpc_slice_unref(slice); |
| |
| gpr_log(GPR_INFO, "latency (50/95/99/99.9): %f/%f/%f/%f", |
| gpr_histogram_percentile(histogram, 50), |
| gpr_histogram_percentile(histogram, 95), |
| gpr_histogram_percentile(histogram, 99), |
| gpr_histogram_percentile(histogram, 99.9)); |
| gpr_histogram_destroy(histogram); |
| |
| grpc_shutdown(); |
| |
| return 0; |
| } |