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/*
*
* Copyright 2015, 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++/server_builder.h>
#include <grpc/support/cpu.h>
#include <grpc/support/log.h>
#include <grpc++/impl/service_type.h>
#include <grpc++/server.h>
#include <grpc++/thread_pool_interface.h>
#include <grpc++/fixed_size_thread_pool.h>
namespace grpc {
ServerBuilder::ServerBuilder()
: max_message_size_(-1), generic_service_(nullptr), thread_pool_(nullptr) {}
std::unique_ptr<ServerCompletionQueue> ServerBuilder::AddCompletionQueue() {
ServerCompletionQueue* cq = new ServerCompletionQueue();
cqs_.push_back(cq);
return std::unique_ptr<ServerCompletionQueue>(cq);
}
void ServerBuilder::RegisterService(SynchronousService* service) {
services_.emplace_back(new NamedService<RpcService>(service->service()));
}
void ServerBuilder::RegisterAsyncService(AsynchronousService* service) {
async_services_.emplace_back(new NamedService<AsynchronousService>(service));
}
void ServerBuilder::RegisterService(
const grpc::string& addr, SynchronousService* service) {
services_.emplace_back(new NamedService<RpcService>(addr, service->service()));
}
void ServerBuilder::RegisterAsyncService(
const grpc::string& addr, AsynchronousService* service) {
async_services_.emplace_back(new NamedService<AsynchronousService>(addr, service));
}
void ServerBuilder::RegisterAsyncGenericService(AsyncGenericService* service) {
if (generic_service_) {
gpr_log(GPR_ERROR,
"Adding multiple AsyncGenericService is unsupported for now. "
"Dropping the service %p",
service);
return;
}
generic_service_ = service;
}
void ServerBuilder::AddListeningPort(const grpc::string& addr,
std::shared_ptr<ServerCredentials> creds,
int* selected_port) {
Port port = {addr, creds, selected_port};
ports_.push_back(port);
}
void ServerBuilder::SetThreadPool(ThreadPoolInterface* thread_pool) {
thread_pool_ = thread_pool;
}
std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
bool thread_pool_owned = false;
if (!async_services_.empty() && !services_.empty()) {
gpr_log(GPR_ERROR, "Mixing async and sync services is unsupported for now");
return nullptr;
}
if (!thread_pool_ && !services_.empty()) {
thread_pool_ = CreateDefaultThreadPool();
thread_pool_owned = true;
}
// Async services only, create a thread pool to handle requests to unknown
// services.
if (!thread_pool_ && !generic_service_ && !async_services_.empty()) {
thread_pool_ = new FixedSizeThreadPool(1);
thread_pool_owned = true;
}
std::unique_ptr<Server> server(
new Server(thread_pool_, thread_pool_owned, max_message_size_));
for (auto cq = cqs_.begin(); cq != cqs_.end(); ++cq) {
grpc_server_register_completion_queue(server->server_, (*cq)->cq(),
nullptr);
}
for (auto service = services_.begin(); service != services_.end();
service++) {
if (!server->RegisterService((*service)->host.get(), (*service)->service)) {
return nullptr;
}
}
for (auto service = async_services_.begin();
service != async_services_.end(); service++) {
if (!server->RegisterAsyncService((*service)->host.get(), (*service)->service)) {
return nullptr;
}
}
if (generic_service_) {
server->RegisterAsyncGenericService(generic_service_);
}
for (auto port = ports_.begin(); port != ports_.end(); port++) {
int r = server->AddListeningPort(port->addr, port->creds.get());
if (!r) return nullptr;
if (port->selected_port != nullptr) {
*port->selected_port = r;
}
}
if (!server->Start()) {
return nullptr;
}
return server;
}
} // namespace grpc
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