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/*
*
* Copyright 2014, 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 <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 "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 void init_ping_pong_request(void) {}
static void step_ping_pong_request(void) {
call = grpc_channel_create_call(channel, "/Reflector/reflectUnary",
"localhost", gpr_inf_future);
GPR_ASSERT(grpc_call_invoke(call, cq, (void *)1, (void *)1,
GRPC_WRITE_BUFFER_HINT) == GRPC_CALL_OK);
GPR_ASSERT(grpc_call_start_write(call, the_buffer, (void *)1,
GRPC_WRITE_BUFFER_HINT) == GRPC_CALL_OK);
grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
GPR_ASSERT(grpc_call_start_read(call, (void *)1) == GRPC_CALL_OK);
GPR_ASSERT(grpc_call_writes_done(call, (void *)1) == GRPC_CALL_OK);
grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
grpc_call_destroy(call);
call = NULL;
}
static void init_ping_pong_stream(void) {
call = grpc_channel_create_call(channel, "/Reflector/reflectStream",
"localhost", gpr_inf_future);
GPR_ASSERT(grpc_call_invoke(call, cq, (void *)1, (void *)1, 0) ==
GRPC_CALL_OK);
grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
}
static void step_ping_pong_stream(void) {
GPR_ASSERT(grpc_call_start_write(call, the_buffer, (void *)1, 0) ==
GRPC_CALL_OK);
GPR_ASSERT(grpc_call_start_read(call, (void *)1) == GRPC_CALL_OK);
grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
grpc_event_finish(grpc_completion_queue_next(cq, gpr_inf_future));
}
static double now(void) {
gpr_timespec tv = gpr_now();
return 1e9 * 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) {
gpr_slice slice = gpr_slice_from_copied_string("x");
double start, stop;
int i;
char *fake_argv[1];
int payload_size = 1;
int done;
int secure = 0;
char *target = "localhost:443";
gpr_cmdline *cl;
char *scenario_name = "ping-pong-request";
scenario sc = {NULL};
GPR_ASSERT(argc >= 1);
fake_argv[0] = argv[0];
grpc_test_init(1, fake_argv);
grpc_init();
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_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_channel_create(target, NULL);
cq = grpc_completion_queue_create();
the_buffer = grpc_byte_buffer_create(&slice, payload_size);
histogram = gpr_histogram_create(0.01, 60e9);
sc.init();
for (i = 0; i < 1000; i++) {
sc.do_one_step();
}
gpr_log(GPR_INFO, "start profiling");
grpc_profiler_start("client.prof");
for (i = 0; i < 100000; i++) {
start = now();
sc.do_one_step();
stop = now();
gpr_histogram_add(histogram, stop - start);
}
grpc_profiler_stop();
if (call) {
grpc_call_destroy(call);
}
grpc_channel_destroy(channel);
grpc_completion_queue_shutdown(cq);
done = 0;
while (!done) {
grpc_event *ev = grpc_completion_queue_next(cq, gpr_inf_future);
done = (ev->type == GRPC_QUEUE_SHUTDOWN);
grpc_event_finish(ev);
}
grpc_completion_queue_destroy(cq);
grpc_byte_buffer_destroy(the_buffer);
gpr_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;
}
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