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mariadb-columnstore-engine/utils/cloudio/SocketPool.h
Patrick LeBlanc acb464618c Wrote a component test, which has a stand-in server thread
in place of an actual StorageManager.  The server thread
returns the same error over and over again.

Used that test to debug some basic comm stuff & find
errors in error handling.
2019-01-24 16:52:26 -06:00

61 lines
1.7 KiB
C++

/* Copyright (C) 2019 MariaDB Corporaton
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef _SOCKETPOOL_H_
#define _SOCKETPOOL_H_
#include <boost/utility.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>
#include "bytestream.h"
namespace idbdatafile
{
/* This should be renamed; it's more than a pool, it also does the low-level communication. TBD. */
class SocketPool : public boost::noncopyable
{
public:
SocketPool();
// the dtor will immediately close all sockets
virtual ~SocketPool();
// 0 = success, -1 = failure. Should this throw instead?
int send_recv(messageqcpp::ByteStream &to_send, messageqcpp::ByteStream *to_recv);
private:
int getSocket();
void returnSocket(const int sock);
void remoteClosed(const int sock);
std::vector<int> allSockets;
std::deque<int> freeSockets;
boost::mutex mutex;
boost::condition_variable socketAvailable;
uint maxSockets;
static const uint defaultSockets = 20;
};
}
#endif