# FairMQ: fairmq/ofi/Context.h Source File

Context.h
/********************************************************************************
* Copyright (C) 2018 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
* *
* This software is distributed under the terms of the *
* GNU Lesser General Public Licence (LGPL) version 3, *
* copied verbatim in the file "LICENSE" *
********************************************************************************/
#ifndef FAIR_MQ_OFI_CONTEXT_H
#define FAIR_MQ_OFI_CONTEXT_H
#include <FairMQLogger.h>
#include <FairMQTransportFactory.h>
#include <asiofi/domain.hpp>
#include <asiofi/fabric.hpp>
#include <asiofi/info.hpp>
#include <boost/asio/io_context.hpp>
#include <memory>
#include <netinet/in.h>
#include <ostream>
#include <stdexcept>
#include <string>
#include <thread>
#include <vector>
namespace fair::mq::ofi
{
enum class ConnectionType : bool { Bind, Connect };
struct Address {
std::string Protocol;
std::string Ip;
unsigned int Port;
friend auto operator<<(std::ostream& os, const Address& a) -> std::ostream&
{
return os << a.Protocol << "://" << a.Ip << ":" << a.Port;
}
friend auto operator==(const Address& lhs, const Address& rhs) -> bool
{
return (lhs.Protocol == rhs.Protocol) && (lhs.Ip == rhs.Ip) && (lhs.Port == rhs.Port);
}
};
class Context
{
public:
Context(FairMQTransportFactory& sendFactory,
FairMQTransportFactory& receiveFactory,
int numberIoThreads = 1);
~Context();
auto GetAsiofiVersion() const -> std::string;
auto GetIoContext() -> boost::asio::io_context& { return fIoContext; }
static auto ConvertAddress(std::string address) -> Address;
static auto ConvertAddress(Address address) -> sockaddr_in;
static auto ConvertAddress(sockaddr_in address) -> Address;
static auto VerifyAddress(const std::string& address) -> Address;
auto Interrupt() -> void { LOG(debug) << "OFI transport: Interrupted (NOOP - not implemented)."; }
auto Resume() -> void { LOG(debug) << "OFI transport: Resumed (NOOP - not implemented)."; }
auto Reset() -> void;
auto MakeReceiveMessage(size_t size) -> MessagePtr;
auto MakeSendMessage(size_t size) -> MessagePtr;
auto GetSizeHint() -> size_t { return fSizeHint; }
auto SetSizeHint(size_t size) -> void { fSizeHint = size; }
private:
boost::asio::io_context fIoContext;
boost::asio::io_context::work fIoWork;
std::vector<std::thread> fThreadPool;
FairMQTransportFactory& fReceiveFactory;
FairMQTransportFactory& fSendFactory;
size_t fSizeHint;
auto InitThreadPool(int numberIoThreads) -> void;
}; /* class Context */
struct ContextError : std::runtime_error { using std::runtime_error::runtime_error; };
} // namespace fair::mq::ofi
#endif /* FAIR_MQ_OFI_CONTEXT_H */
fair::mq::ofi::Context
Transport-wide context.
Definition: Context.h:59
fair::mq::ofi::Address
Definition: Context.h:38
FairMQTransportFactory
Definition: FairMQTransportFactory.h:30

privacy