FairMQ/fairmq/ofi/TransportFactory.cxx

132 lines
4.2 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" *
********************************************************************************/
#include <fairmq/ofi/Message.h>
#include <fairmq/ofi/Poller.h>
#include <fairmq/ofi/Socket.h>
#include <fairmq/ofi/TransportFactory.h>
#include <fairmq/Tools.h>
#include <rdma/fabric.h> // OFI libfabric
#include <rdma/fi_errno.h>
#include <stdexcept>
#include <zmq.h>
namespace fair
{
namespace mq
{
namespace ofi
{
using namespace std;
TransportFactory::TransportFactory(const string& id, const FairMQProgOptions* config)
: FairMQTransportFactory{id}
, fZmqContext{zmq_ctx_new()}
{
if (!fZmqContext)
{
throw TransportFactoryError{tools::ToString("Failed creating zmq context, reason: ", zmq_strerror(errno))};
}
auto ofi_hints = fi_allocinfo();
ofi_hints->caps = FI_MSG | FI_RMA;
ofi_hints->mode = FI_ASYNC_IOV;
ofi_hints->addr_format = FI_SOCKADDR_IN;
auto ofi_info = fi_allocinfo();
if (ofi_hints == nullptr || ofi_info == nullptr)
{
throw TransportFactoryError{"Failed allocating fi_info structs"};
}
auto res = fi_getinfo(FI_VERSION(1, 5), nullptr, nullptr, 0, ofi_hints, &ofi_info);
if (res != 0)
{
throw TransportFactoryError{tools::ToString("Failed querying fi_getinfo, reason: ", fi_strerror(res))};
}
for(auto cursor{ofi_info}; cursor->next != nullptr; cursor = cursor->next)
{
// LOG(debug) << fi_tostr(cursor, FI_TYPE_INFO);
}
fi_freeinfo(ofi_hints);
fi_freeinfo(ofi_info);
int major, minor, patch;
zmq_version(&major, &minor, &patch);
auto ofi_version{fi_version()};
LOG(debug) << "Transport: Using ZeroMQ (" << major << "." << minor << "." << patch << ") & "
<< "OFI libfabric (API " << FI_MAJOR(ofi_version) << "." << FI_MINOR(ofi_version) << ")";
}
auto TransportFactory::CreateMessage() const -> MessagePtr
{
return MessagePtr{new Message()};
}
auto TransportFactory::CreateMessage(const size_t size) const -> MessagePtr
{
return MessagePtr{new Message(size)};
}
auto TransportFactory::CreateMessage(void* data, const size_t size, fairmq_free_fn* ffn, void* hint) const -> MessagePtr
{
return MessagePtr{new Message(data, size, ffn, hint)};
}
auto TransportFactory::CreateMessage(UnmanagedRegionPtr& region, void* data, const size_t size, void* hint) const -> MessagePtr
{
return MessagePtr{new Message(region, data, size, hint)};
}
auto TransportFactory::CreateSocket(const string& type, const string& name) const -> SocketPtr
{
assert(fZmqContext);
return SocketPtr{new Socket(*this, type, name, GetId())};
}
auto TransportFactory::CreatePoller(const vector<FairMQChannel>& channels) const -> PollerPtr
{
return PollerPtr{new Poller(channels)};
}
auto TransportFactory::CreatePoller(const vector<const FairMQChannel*>& channels) const -> PollerPtr
{
return PollerPtr{new Poller(channels)};
}
auto TransportFactory::CreatePoller(const unordered_map<string, vector<FairMQChannel>>& channelsMap, const vector<string>& channelList) const -> PollerPtr
{
return PollerPtr{new Poller(channelsMap, channelList)};
}
auto TransportFactory::CreatePoller(const FairMQSocket& cmdSocket, const FairMQSocket& dataSocket) const -> PollerPtr
{
return PollerPtr{new Poller(cmdSocket, dataSocket)};
}
auto TransportFactory::CreateUnmanagedRegion(const size_t size, FairMQRegionCallback callback) const -> UnmanagedRegionPtr
{
throw runtime_error{"Not yet implemented UMR."};
}
auto TransportFactory::GetType() const -> Transport
{
return Transport::OFI;
}
TransportFactory::~TransportFactory() noexcept(false)
{
if (zmq_ctx_term(fZmqContext) != 0) {
throw TransportFactoryError{tools::ToString("Failed closing zmq context, reason: ", zmq_strerror(errno))};
}
}
} /* namespace ofi */
} /* namespace mq */
} /* namespace fair */