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//
//
// 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 <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <grpc/byte_buffer.h>
#include <grpc/grpc.h>
#include <grpc/impl/propagation_bits.h>
#include <grpc/slice.h>
#include <grpc/status.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include "test/core/end2end/cq_verifier.h"
#include "test/core/end2end/end2end_tests.h"
#include "test/core/util/test_config.h"
static void* tag(intptr_t t) { return reinterpret_cast<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);
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->cq, tag(1000));
grpc_event ev;
do {
ev = grpc_completion_queue_next(f->cq, grpc_timeout_seconds_to_deadline(5),
nullptr);
} while (ev.type != GRPC_OP_COMPLETE || 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);
}
// Creates and returns a grpc_slice containing random alphanumeric characters.
//
static grpc_slice generate_random_slice() {
size_t i;
static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890";
char* output;
const size_t output_size = 1024 * 1024;
output = static_cast<char*>(gpr_malloc(output_size));
for (i = 0; i < output_size - 1; ++i) {
output[i] = chars[rand() % static_cast<int>(sizeof(chars) - 1)];
}
output[output_size - 1] = '\0';
grpc_slice out = grpc_slice_from_copied_string(output);
gpr_free(output);
return out;
}
static void request_response_with_payload(grpc_end2end_test_config /*config*/,
grpc_end2end_test_fixture f) {
// Create large request and response bodies. These are big enough to require
// multiple round trips to deliver to the peer, and their exact contents of
// will be verified on completion.
grpc_slice request_payload_slice = generate_random_slice();
grpc_slice response_payload_slice = generate_random_slice();
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);
grpc_core::CqVerifier cqv(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 = n_seconds_from_now(60);
c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq,
grpc_slice_from_static_string("/foo"), nullptr,
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;
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_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, static_cast<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);
cqv.Expect(tag(101), true);
cqv.Verify();
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, static_cast<size_t>(op - ops), tag(102),
nullptr);
GPR_ASSERT(GRPC_CALL_OK == error);
cqv.Expect(tag(102), true);
cqv.Verify();
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;
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, static_cast<size_t>(op - ops), tag(103),
nullptr);
GPR_ASSERT(GRPC_CALL_OK == error);
cqv.Expect(tag(103), true);
cqv.Expect(tag(1), true);
cqv.Verify();
GPR_ASSERT(status == GRPC_STATUS_OK);
GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
GPR_ASSERT(was_cancelled == 0);
GPR_ASSERT(byte_buffer_eq_slice(request_payload_recv, request_payload_slice));
GPR_ASSERT(
byte_buffer_eq_slice(response_payload_recv, response_payload_slice));
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);
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);
}
// Client sends a request with payload, server reads then returns a response
// payload and status.
static void test_invoke_request_response_with_payload(
grpc_end2end_test_config config) {
grpc_end2end_test_fixture f = begin_test(
config, "test_invoke_request_response_with_payload", nullptr, nullptr);
request_response_with_payload(config, f);
end_test(&f);
config.tear_down_data(&f);
}
static void test_invoke_10_request_response_with_payload(
grpc_end2end_test_config config) {
int i;
grpc_end2end_test_fixture f = begin_test(
config, "test_invoke_10_request_response_with_payload", nullptr, nullptr);
for (i = 0; i < 10; i++) {
request_response_with_payload(config, f);
}
end_test(&f);
config.tear_down_data(&f);
}
void payload(grpc_end2end_test_config config) {
test_invoke_request_response_with_payload(config);
test_invoke_10_request_response_with_payload(config);
}
void payload_pre_init(void) {}