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Chen Wang 10 years ago
parent 69330757f1
commit 8c1109737f
3 changed files with 0 additions and 367 deletions
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  1. 94
      examples/tips/messages.proto
  2. 231
      examples/tips/server.cc
  3. 42
      examples/tips/test.proto

94
examples/tips/messages.proto
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// Message definitions to be used by integration test service definitions.
syntax = "proto2";
package grpc.testing;
// The type of payload that should be returned.
enum PayloadType {
// Compressable text format.
COMPRESSABLE = 0;
// Uncompressable binary format.
UNCOMPRESSABLE = 1;
// Randomly chosen from all other formats defined in this enum.
RANDOM = 2;
}
// A block of data, to simply increase gRPC message size.
message Payload {
// The type of data in body.
optional PayloadType type = 1;
// Primary contents of payload.
optional bytes body = 2;
}
// Unary request.
message SimpleRequest {
// Desired payload type in the response from the server.
// If response_type is RANDOM, server randomly chooses one from other formats.
optional PayloadType response_type = 1;
// Desired payload size in the response from the server.
// If response_type is COMPRESSABLE, this denotes the size before compression.
optional int32 response_size = 2;
// Optional input payload sent along with the request.
optional Payload payload = 3;
}
// Unary response, as configured by the request.
message SimpleResponse {
// Payload to increase message size.
optional Payload payload = 1;
// The user the request came from, for verifying authentication was
// successful when the client expected it.
optional int64 effective_gaia_user_id = 2;
}
// Client-streaming request.
message StreamingInputCallRequest {
// Optional input payload sent along with the request.
optional Payload payload = 1;
// Not expecting any payload from the response.
}
// Client-streaming response.
message StreamingInputCallResponse {
// Aggregated size of payloads received from the client.
optional int32 aggregated_payload_size = 1;
}
// Configuration for a particular response.
message ResponseParameters {
// Desired payload sizes in responses from the server.
// If response_type is COMPRESSABLE, this denotes the size before compression.
optional int32 size = 1;
// Desired interval between consecutive responses in the response stream in
// microseconds.
optional int32 interval_us = 2;
}
// Server-streaming request.
message StreamingOutputCallRequest {
// Desired payload type in the response from the server.
// If response_type is RANDOM, the payload from each response in the stream
// might be of different types. This is to simulate a mixed type of payload
// stream.
optional PayloadType response_type = 1;
// Configuration for each expected response message.
repeated ResponseParameters response_parameters = 2;
// Optional input payload sent along with the request.
optional Payload payload = 3;
}
// Server-streaming response, as configured by the request and parameters.
message StreamingOutputCallResponse {
// Payload to increase response size.
optional Payload payload = 1;
}

231
examples/tips/server.cc
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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 <memory>
#include <sstream>
#include <thread>
#include <google/gflags.h>
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include "test/core/end2end/data/ssl_test_data.h"
#include <grpc++/config.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc++/server_context.h>
#include <grpc++/server_credentials.h>
#include <grpc++/status.h>
#include <grpc++/stream.h>
#include "examples/tips/test.pb.h"
#include "examples/tips/empty.pb.h"
#include "examples/tips/messages.pb.h"
DEFINE_bool(enable_ssl, false, "Whether to use ssl/tls.");
DEFINE_int32(port, 0, "Server port.");
using grpc::Server;
using grpc::ServerBuilder;
using grpc::ServerContext;
using grpc::ServerCredentials;
using grpc::ServerCredentialsFactory;
using grpc::ServerReader;
using grpc::ServerReaderWriter;
using grpc::ServerWriter;
using grpc::SslServerCredentialsOptions;
using grpc::testing::Payload;
using grpc::testing::PayloadType;
using grpc::testing::SimpleRequest;
using grpc::testing::SimpleResponse;
using grpc::testing::StreamingInputCallRequest;
using grpc::testing::StreamingInputCallResponse;
using grpc::testing::StreamingOutputCallRequest;
using grpc::testing::StreamingOutputCallResponse;
using grpc::testing::TestService;
using grpc::Status;
bool SetPayload(PayloadType type, int size, Payload* payload) {
PayloadType response_type = type;
// TODO(yangg): Support UNCOMPRESSABLE payload.
if (type != PayloadType::COMPRESSABLE) {
return false;
}
payload->set_type(response_type);
std::unique_ptr<char[]> body(new char[size]());
payload->set_body(body.get(), size);
return true;
}
class TestServiceImpl : public TestService::Service {
public:
Status EmptyCall(ServerContext* context, const grpc::testing::Empty* request,
grpc::testing::Empty* response) {
return Status::OK;
}
Status UnaryCall(ServerContext* context, const SimpleRequest* request,
SimpleResponse* response) {
if (request->has_response_size() && request->response_size() > 0) {
if (!SetPayload(request->response_type(), request->response_size(),
response->mutable_payload())) {
return Status(grpc::StatusCode::INTERNAL, "Error creating payload.");
}
}
return Status::OK;
}
Status StreamingOutputCall(
ServerContext* context, const StreamingOutputCallRequest* request,
ServerWriter<StreamingOutputCallResponse>* writer) {
StreamingOutputCallResponse response;
bool write_success = true;
response.mutable_payload()->set_type(request->response_type());
for (int i = 0; write_success && i < request->response_parameters_size();
i++) {
response.mutable_payload()->set_body(
grpc::string(request->response_parameters(i).size(), '\0'));
write_success = writer->Write(response);
}
if (write_success) {
return Status::OK;
} else {
return Status(grpc::StatusCode::INTERNAL, "Error writing response.");
}
}
Status StreamingInputCall(ServerContext* context,
ServerReader<StreamingInputCallRequest>* reader,
StreamingInputCallResponse* response) {
StreamingInputCallRequest request;
int aggregated_payload_size = 0;
while (reader->Read(&request)) {
if (request.has_payload() && request.payload().has_body()) {
aggregated_payload_size += request.payload().body().size();
}
}
response->set_aggregated_payload_size(aggregated_payload_size);
return Status::OK;
}
Status FullDuplexCall(
ServerContext* context,
ServerReaderWriter<StreamingOutputCallResponse,
StreamingOutputCallRequest>* stream) {
StreamingOutputCallRequest request;
StreamingOutputCallResponse response;
bool write_success = true;
while (write_success && stream->Read(&request)) {
response.mutable_payload()->set_type(request.payload().type());
if (request.response_parameters_size() == 0) {
return Status(grpc::StatusCode::INTERNAL,
"Request does not have response parameters.");
}
response.mutable_payload()->set_body(
grpc::string(request.response_parameters(0).size(), '\0'));
write_success = stream->Write(response);
}
if (write_success) {
return Status::OK;
} else {
return Status(grpc::StatusCode::INTERNAL, "Error writing response.");
}
}
Status HalfDuplexCall(
ServerContext* context,
ServerReaderWriter<StreamingOutputCallResponse,
StreamingOutputCallRequest>* stream) {
std::vector<StreamingOutputCallRequest> requests;
StreamingOutputCallRequest request;
while (stream->Read(&request)) {
requests.push_back(request);
}
StreamingOutputCallResponse response;
bool write_success = true;
for (unsigned int i = 0; write_success && i < requests.size(); i++) {
response.mutable_payload()->set_type(requests[i].payload().type());
if (requests[i].response_parameters_size() == 0) {
return Status(grpc::StatusCode::INTERNAL,
"Request does not have response parameters.");
}
response.mutable_payload()->set_body(
grpc::string(requests[i].response_parameters(0).size(), '\0'));
write_success = stream->Write(response);
}
if (write_success) {
return Status::OK;
} else {
return Status(grpc::StatusCode::INTERNAL, "Error writing response.");
}
}
};
void RunServer() {
std::ostringstream server_address;
server_address << "localhost:" << FLAGS_port;
TestServiceImpl service;
SimpleRequest request;
SimpleResponse response;
ServerBuilder builder;
builder.AddPort(server_address.str());
builder.RegisterService(service.service());
if (FLAGS_enable_ssl) {
SslServerCredentialsOptions ssl_opts = {
"",
{reinterpret_cast<const char*>(test_server1_key),
test_server1_key_size},
{reinterpret_cast<const char*>(test_server1_cert),
test_server1_cert_size}};
std::shared_ptr<ServerCredentials> creds =
ServerCredentialsFactory::SslCredentials(ssl_opts);
builder.SetCredentials(creds);
}
std::unique_ptr<Server> server(builder.BuildAndStart());
gpr_log(GPR_INFO, "Server listening on %s", server_address.str().c_str());
while (true) {
std::this_thread::sleep_for(std::chrono::seconds(5));
}
}
int main(int argc, char** argv) {
grpc_init();
google::ParseCommandLineFlags(&argc, &argv, true);
GPR_ASSERT(FLAGS_port != 0);
RunServer();
grpc_shutdown();
return 0;
}

42
examples/tips/test.proto
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// An integration test service that covers all the method signature permutations
// of unary/streaming requests/responses.
syntax = "proto2";
import "examples/tips/empty.proto";
import "examples/tips/messages.proto";
package grpc.testing;
// A simple service to test the various types of RPCs and experiment with
// performance with various types of payload.
service TestService {
// One empty request followed by one empty response.
rpc EmptyCall(grpc.testing.Empty) returns (grpc.testing.Empty);
// One request followed by one response.
// The server returns the client payload as-is.
rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
// One request followed by a sequence of responses (streamed download).
// The server returns the payload with client desired type and sizes.
rpc StreamingOutputCall(StreamingOutputCallRequest)
returns (stream StreamingOutputCallResponse);
// A sequence of requests followed by one response (streamed upload).
// The server returns the aggregated size of client payload as the result.
rpc StreamingInputCall(stream StreamingInputCallRequest)
returns (StreamingInputCallResponse);
// A sequence of requests with each request served by the server immediately.
// As one request could lead to multiple responses, this interface
// demonstrates the idea of full duplexing.
rpc FullDuplexCall(stream StreamingOutputCallRequest)
returns (stream StreamingOutputCallResponse);
// A sequence of requests followed by a sequence of responses.
// The server buffers all the client requests and then serves them in order. A
// stream of responses are returned to the client when the server starts with
// first request.
rpc HalfDuplexCall(stream StreamingOutputCallRequest)
returns (stream StreamingOutputCallResponse);
}
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