FairMQ/fairmq/ofi/Context.h
Dennis Klein 630a1dbbce FairMQ: Setup ofi objects
FI_MSG API
FI_EP_RDM, reliable datagram message (unconnected)
2018-03-26 13:58:20 +02:00

63 lines
1.7 KiB
C++

/********************************************************************************
* 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 <memory>
#include <rdma/fabric.h>
#include <string>
#include <stdexcept>
namespace fair
{
namespace mq
{
namespace ofi
{
enum class ConnectionType : bool { Bind, Connect };
/**
* @class Context Context.h <fairmq/ofi/Context.h>
* @brief Transport-wide context
*
* @todo TODO insert long description
*/
class Context
{
public:
Context(int numberIoThreads = 1);
~Context();
/// Deferred Ofi initialization
auto InitOfi(ConnectionType type, std::string address) -> void;
auto CreateOfiEndpoint() -> fid_ep*;
auto CreateOfiCompletionQueue() -> fid_cq*;
auto GetZmqVersion() const -> std::string;
auto GetOfiApiVersion() const -> std::string;
auto GetZmqContext() const -> void* { return fZmqContext; }
private:
void* fZmqContext;
fi_info* fOfiInfo;
fid_fabric* fOfiFabric;
fid_domain* fOfiDomain;
auto OpenOfiFabric() -> void;
auto OpenOfiDomain() -> void;
}; /* class Context */
struct ContextError : std::runtime_error { using std::runtime_error::runtime_error; };
} /* namespace ofi */
} /* namespace mq */
} /* namespace fair */
#endif /* FAIR_MQ_OFI_CONTEXT_H */