folly/wangle/bootstrap/ServerBootstrap.cpp

   1 /*
   2  * Copyright 2015 Facebook, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 #include <folly/wangle/bootstrap/ServerBootstrap.h>
  17 #include <folly/wangle/concurrent/NamedThreadFactory.h>
  18 #include <folly/wangle/channel/Handler.h>
  19 #include <folly/io/async/EventBaseManager.h>
  20
  21 namespace folly {
  22
  23 void ServerWorkerPool::threadStarted(
  24   folly::wangle::ThreadPoolExecutor::ThreadHandle* h) {
  25   auto worker = acceptorFactory_->newAcceptor(exec_->getEventBase(h));
  26   workers_.insert({h, worker});
  27
  28   for(auto socket : *sockets_) {
  29     socket->getEventBase()->runImmediatelyOrRunInEventBaseThreadAndWait(
  30       [this, worker, socket](){
  31         socketFactory_->addAcceptCB(
  32           socket, worker.get(), worker->getEventBase());
  33     });
  34   }
  35 }
  36
  37 void ServerWorkerPool::threadStopped(
  38   folly::wangle::ThreadPoolExecutor::ThreadHandle* h) {
  39   auto worker = workers_.find(h);
  40   CHECK(worker != workers_.end());
  41
  42   for (auto socket : *sockets_) {
  43     socket->getEventBase()->runImmediatelyOrRunInEventBaseThreadAndWait(
  44       [&]() {
  45         socketFactory_->removeAcceptCB(
  46           socket, worker->second.get(), nullptr);
  47     });
  48   }
  49
  50   if (!worker->second->getEventBase()->isInEventBaseThread()) {
  51     worker->second->getEventBase()->runImmediatelyOrRunInEventBaseThreadAndWait(
  52       [=]() {
  53         worker->second->dropAllConnections();
  54       });
  55   } else {
  56     worker->second->dropAllConnections();
  57   }
  58
  59   workers_.erase(worker);
  60 }
  61
  62 } // namespace