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/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#import <XCTest/XCTest.h>
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#include <sstream>
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#include <grpc/grpc.h>
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#include <grpc/support/time.h>
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#include <grpcpp/channel.h>
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#include <grpcpp/client_context.h>
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#include <grpcpp/create_channel.h>
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#include <grpcpp/generic/async_generic_service.h>
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#include <grpcpp/generic/generic_stub.h>
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#include <grpcpp/server.h>
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#include <grpcpp/server_builder.h>
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#include <grpcpp/server_context.h>
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#include <grpcpp/support/slice.h>
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#include "src/core/lib/gprpp/thd.h"
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#include "test/core/test_util/port.h"
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#include "test/core/test_util/test_config.h"
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using std::chrono::system_clock;
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using namespace grpc;
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void* tag(int i) { return (void*)(intptr_t)i; }
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static grpc_slice merge_slices(grpc_slice* slices, size_t nslices) {
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size_t i;
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size_t len = 0;
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uint8_t* cursor;
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grpc_slice out;
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for (i = 0; i < nslices; i++) {
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len += GRPC_SLICE_LENGTH(slices[i]);
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}
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out = grpc_slice_malloc(len);
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cursor = GRPC_SLICE_START_PTR(out);
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for (i = 0; i < nslices; i++) {
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memcpy(cursor, GRPC_SLICE_START_PTR(slices[i]), GRPC_SLICE_LENGTH(slices[i]));
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cursor += GRPC_SLICE_LENGTH(slices[i]);
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}
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return out;
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}
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int byte_buffer_eq_string(ByteBuffer* bb, const char* str) {
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int res;
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std::vector<Slice> slices;
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bb->Dump(&slices);
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grpc_slice* c_slices = new grpc_slice[slices.size()];
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for (int i = 0; i < slices.size(); i++) {
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c_slices[i] = slices[i].c_slice();
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}
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grpc_slice a = merge_slices(c_slices, slices.size());
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grpc_slice b = grpc_slice_from_copied_string(str);
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res = (GRPC_SLICE_LENGTH(a) == GRPC_SLICE_LENGTH(b)) &&
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(0 == memcmp(GRPC_SLICE_START_PTR(a), GRPC_SLICE_START_PTR(b), GRPC_SLICE_LENGTH(a)));
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grpc_slice_unref(a);
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grpc_slice_unref(b);
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for (int i = 0; i < slices.size(); i++) {
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grpc_slice_unref(c_slices[i]);
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}
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delete[] c_slices;
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return res;
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}
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@interface GenericTest : XCTestCase
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@end
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@implementation GenericTest {
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std::string server_host_;
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CompletionQueue cli_cq_;
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std::unique_ptr<ServerCompletionQueue> srv_cq_;
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std::unique_ptr<GenericStub> generic_stub_;
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std::unique_ptr<Server> server_;
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AsyncGenericService generic_service_;
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std::ostringstream server_address_;
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}
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- (void)verify_ok:(grpc::CompletionQueue*)cq i:(int)i expect_ok:(bool)expect_ok {
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bool ok;
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void* got_tag;
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XCTAssertTrue(cq->Next(&got_tag, &ok));
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XCTAssertEqual(expect_ok, ok);
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XCTAssertEqual(tag(i), got_tag);
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}
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- (void)server_ok:(int)i {
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[self verify_ok:srv_cq_.get() i:i expect_ok:true];
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}
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- (void)client_ok:(int)i {
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[self verify_ok:&cli_cq_ i:i expect_ok:true];
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}
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- (void)server_fail:(int)i {
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[self verify_ok:srv_cq_.get() i:i expect_ok:false];
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}
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- (void)client_fail:(int)i {
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[self verify_ok:&cli_cq_ i:i expect_ok:false];
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}
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- (void)setUp {
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[super setUp];
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server_host_ = "localhost";
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int port = grpc_pick_unused_port_or_die();
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server_address_ << server_host_ << ":" << port;
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// Setup server
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ServerBuilder builder;
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builder.AddListeningPort(server_address_.str(), InsecureServerCredentials());
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builder.RegisterAsyncGenericService(&generic_service_);
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// Include a second call to RegisterAsyncGenericService to make sure that
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// we get an error in the log, since it is not allowed to have 2 async
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// generic services
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builder.RegisterAsyncGenericService(&generic_service_);
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srv_cq_ = builder.AddCompletionQueue();
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server_ = builder.BuildAndStart();
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}
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- (void)tearDown {
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// Put teardown code here. This method is called after the invocation of each test method in the
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// class.
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server_->Shutdown();
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void* ignored_tag;
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bool ignored_ok;
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cli_cq_.Shutdown();
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srv_cq_->Shutdown();
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while (cli_cq_.Next(&ignored_tag, &ignored_ok));
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while (srv_cq_->Next(&ignored_tag, &ignored_ok));
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[super tearDown];
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}
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- (void)ResetStub {
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std::shared_ptr<Channel> channel =
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CreateChannel(server_address_.str(), InsecureChannelCredentials());
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generic_stub_.reset(new GenericStub(channel));
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}
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- (void)SendRpc:(int)num_rpcs {
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[self SendRpc:num_rpcs check_deadline:false deadline:gpr_inf_future(GPR_CLOCK_MONOTONIC)];
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}
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- (void)SendRpc:(int)num_rpcs check_deadline:(bool)check_deadline deadline:(gpr_timespec)deadline {
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const std::string kMethodName("/grpc.cpp.test.util.EchoTestService/Echo");
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for (int i = 0; i < num_rpcs; i++) {
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Status recv_status;
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ClientContext cli_ctx;
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GenericServerContext srv_ctx;
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GenericServerAsyncReaderWriter stream(&srv_ctx);
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// The string needs to be long enough to test heap-based slice.
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/*send_request.set_message("Hello world. Hello world. Hello world.");*/
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if (check_deadline) {
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cli_ctx.set_deadline(deadline);
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}
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std::unique_ptr<GenericClientAsyncReaderWriter> call =
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generic_stub_->Call(&cli_ctx, kMethodName, &cli_cq_, tag(1));
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[self client_ok:1];
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Slice send_slice = Slice("hello world", 11);
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std::unique_ptr<ByteBuffer> send_buffer =
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std::unique_ptr<ByteBuffer>(new ByteBuffer(&send_slice, 1));
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call->Write(*send_buffer, tag(2));
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// Send ByteBuffer can be destroyed after calling Write.
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send_buffer.reset();
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[self client_ok:2];
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call->WritesDone(tag(3));
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[self client_ok:3];
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generic_service_.RequestCall(&srv_ctx, &stream, srv_cq_.get(), srv_cq_.get(), tag(4));
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[self verify_ok:srv_cq_.get() i:4 expect_ok:true];
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XCTAssertEqual(server_host_, srv_ctx.host().substr(0, server_host_.length()));
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XCTAssertEqual(kMethodName, srv_ctx.method());
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if (check_deadline) {
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XCTAssertTrue(gpr_time_similar(deadline, srv_ctx.raw_deadline(),
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gpr_time_from_millis(1000, GPR_TIMESPAN)));
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}
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ByteBuffer recv_buffer;
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stream.Read(&recv_buffer, tag(5));
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[self server_ok:5];
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XCTAssertTrue(byte_buffer_eq_string(&recv_buffer, "hello world"));
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send_buffer = std::unique_ptr<ByteBuffer>(new ByteBuffer(recv_buffer));
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stream.Write(*send_buffer, tag(6));
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send_buffer.reset();
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[self server_ok:6];
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stream.Finish(Status::OK, tag(7));
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[self server_ok:7];
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recv_buffer.Clear();
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call->Read(&recv_buffer, tag(8));
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[self client_ok:8];
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XCTAssertTrue(byte_buffer_eq_string(&recv_buffer, "hello world"));
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call->Finish(&recv_status, tag(9));
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[self client_ok:9];
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XCTAssertTrue(recv_status.ok());
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}
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}
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- (void)testSimpleRpc {
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[self ResetStub];
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[self SendRpc:1];
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}
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- (void)testSequentialRpcs {
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[self ResetStub];
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[self SendRpc:10];
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}
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+ (void)setUp {
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grpc_test_init(NULL, NULL);
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}
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@end
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