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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include <sys/Acceptor.h>
#include <sys/SessionHandlerFactory.h>
#include "LFProcessor.h"
#include "LFSessionContext.h"
#include "APRBase.h"
#include "APRPool.h"
namespace qpid {
namespace sys {
class APRAcceptor : public Acceptor
{
public:
APRAcceptor(int16_t port, int backlog, int threads, bool trace);
virtual int16_t getPort() const;
virtual void run(qpid::sys::SessionHandlerFactory* factory);
virtual void shutdown();
private:
void shutdownImpl();
private:
int16_t port;
bool trace;
LFProcessor processor;
apr_socket_t* socket;
volatile bool running;
Mutex shutdownLock;
};
// Define generic Acceptor::create() to return APRAcceptor.
Acceptor::shared_ptr Acceptor::create(int16_t port, int backlog, int threads, bool trace)
{
return Acceptor::shared_ptr(new APRAcceptor(port, backlog, threads, trace));
}
// Must define Acceptor virtual dtor.
Acceptor::~Acceptor() {}
APRAcceptor::APRAcceptor(int16_t port_, int backlog, int threads, bool trace_) :
port(port_),
trace(trace_),
processor(APRPool::get(), threads, 1000, 5000000)
{
apr_sockaddr_t* address;
CHECK_APR_SUCCESS(apr_sockaddr_info_get(&address, APR_ANYADDR, APR_UNSPEC, port, APR_IPV4_ADDR_OK, APRPool::get()));
CHECK_APR_SUCCESS(apr_socket_create(&socket, APR_INET, SOCK_STREAM, APR_PROTO_TCP, APRPool::get()));
CHECK_APR_SUCCESS(apr_socket_opt_set(socket, APR_SO_REUSEADDR, 1));
CHECK_APR_SUCCESS(apr_socket_bind(socket, address));
CHECK_APR_SUCCESS(apr_socket_listen(socket, backlog));
}
int16_t APRAcceptor::getPort() const {
apr_sockaddr_t* address;
CHECK_APR_SUCCESS(apr_socket_addr_get(&address, APR_LOCAL, socket));
return address->port;
}
void APRAcceptor::run(SessionHandlerFactory* factory) {
running = true;
processor.start();
std::cout << "Listening on port " << getPort() << "..." << std::endl;
while(running){
apr_socket_t* client;
apr_status_t status = apr_socket_accept(&client, socket, APRPool::get());
if(status == APR_SUCCESS){
//make this socket non-blocking:
CHECK_APR_SUCCESS(apr_socket_timeout_set(client, 0));
CHECK_APR_SUCCESS(apr_socket_opt_set(client, APR_SO_NONBLOCK, 1));
CHECK_APR_SUCCESS(apr_socket_opt_set(client, APR_TCP_NODELAY, 1));
CHECK_APR_SUCCESS(apr_socket_opt_set(client, APR_SO_SNDBUF, 32768));
CHECK_APR_SUCCESS(apr_socket_opt_set(client, APR_SO_RCVBUF, 32768));
LFSessionContext* session = new LFSessionContext(APRPool::get(), client, &processor, trace);
session->init(factory->create(session));
}else{
Mutex::ScopedLock locker(shutdownLock);
if(running) {
if(status != APR_EINTR){
std::cout << "ERROR: " << get_desc(status) << std::endl;
}
shutdownImpl();
}
}
}
}
void APRAcceptor::shutdown() {
Mutex::ScopedLock locker(shutdownLock);
if (running) {
shutdownImpl();
}
}
void APRAcceptor::shutdownImpl() {
Mutex::ScopedLock locker(shutdownLock);
running = false;
processor.stop();
CHECK_APR_SUCCESS(apr_socket_close(socket));
}
}}
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