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FairMQ: Implement ofi::TransportFactory ctor/dtor

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This commit is contained in:
Dennis Klein 2018-02-15 18:23:46 +01:00 committed by Mohammad Al-Turany
parent 72bc86f006
commit 3785c0e369
3 changed files with 62 additions and 1 deletions
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2
fairmq/FairMQTransportFactory.h
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@ -73,6 +73,8 @@ class FairMQTransportFactory
virtual ~FairMQTransportFactory() {};
struct TransportFactoryError : std::runtime_error { using std::runtime_error::runtime_error; };
static auto CreateTransportFactory(const std::string& type, const std::string& id = "", const FairMQProgOptions* config = nullptr) -> std::shared_ptr<FairMQTransportFactory>;
static void FairMQNoCleanup(void* /*data*/, void* /*obj*/)

58
fairmq/ofi/TransportFactory.cxx
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@ -7,7 +7,12 @@
********************************************************************************/
#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
{
@ -19,8 +24,40 @@ namespace ofi
using namespace std;
TransportFactory::TransportFactory(const string& id, const FairMQProgOptions* config)
: FairMQTransportFactory{id}
: 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
@ -80,6 +117,25 @@ auto TransportFactory::GetType() const -> Transport
TransportFactory::~TransportFactory()
{
for (int i = 0; i < 5; ++i)
{
if (zmq_ctx_term(fZmqContext) != 0)
{
if ((errno == EINTR) && (i < 4))
{
LOG(warn) << "failed closing zmq context, reason: " << zmq_strerror(errno) << ", trying again";
}
else
{
LOG(error) << "failed closing zmq context, reason: " << zmq_strerror(errno);
break;
}
}
else
{
break;
}
}
}
} /* namespace ofi */

3
fairmq/ofi/TransportFactory.h
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@ -49,6 +49,9 @@ class TransportFactory : public FairMQTransportFactory
auto GetType() const -> Transport override;
~TransportFactory() override;
private:
void* fZmqContext;
}; /* class TransportFactory */
} /* namespace ofi */