118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <grpc++/server_builder.h>
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#include <grpc/support/cpu.h>
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#include <grpc/support/log.h>
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#include <grpc++/impl/service_type.h>
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#include <grpc++/server.h>
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#include "src/cpp/server/thread_pool.h"
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namespace grpc {
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ServerBuilder::ServerBuilder()
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: generic_service_(nullptr), thread_pool_(nullptr) {}
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void ServerBuilder::RegisterService(SynchronousService* service) {
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services_.push_back(service->service());
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}
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void ServerBuilder::RegisterAsyncService(AsynchronousService* service) {
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async_services_.push_back(service);
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}
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void ServerBuilder::RegisterAsyncGenericService(AsyncGenericService* service) {
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if (generic_service_) {
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gpr_log(GPR_ERROR,
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"Adding multiple AsyncGenericService is unsupported for now. "
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"Dropping the service %p",
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service);
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return;
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}
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generic_service_ = service;
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}
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void ServerBuilder::AddListeningPort(const grpc::string& addr,
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std::shared_ptr<ServerCredentials> creds,
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int* selected_port) {
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ports_.push_back(Port{addr, creds, selected_port});
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}
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void ServerBuilder::SetThreadPool(ThreadPoolInterface* thread_pool) {
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thread_pool_ = thread_pool;
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}
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std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
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bool thread_pool_owned = false;
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if (!async_services_.empty() && !services_.empty()) {
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gpr_log(GPR_ERROR, "Mixing async and sync services is unsupported for now");
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return nullptr;
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}
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if (!thread_pool_ && !services_.empty()) {
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int cores = gpr_cpu_num_cores();
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if (!cores) cores = 4;
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thread_pool_ = new ThreadPool(cores);
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thread_pool_owned = true;
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}
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std::unique_ptr<Server> server(new Server(thread_pool_, thread_pool_owned));
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for (auto service = services_.begin(); service != services_.end();
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service++) {
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if (!server->RegisterService(*service)) {
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return nullptr;
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}
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}
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for (auto service = async_services_.begin();
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service != async_services_.end(); service++) {
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if (!server->RegisterAsyncService(*service)) {
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return nullptr;
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}
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}
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if (generic_service_) {
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server->RegisterAsyncGenericService(generic_service_);
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}
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for (auto port = ports_.begin(); port != ports_.end(); port++) {
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int r = server->AddListeningPort(port->addr, port->creds.get());
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if (!r) return nullptr;
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if (port->selected_port != nullptr) {
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*port->selected_port = r;
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}
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}
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if (!server->Start()) {
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return nullptr;
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}
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return server;
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}
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} // namespace grpc
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