mirror of
https://github.com/FairRootGroup/FairMQ.git
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361 lines
12 KiB
C++
361 lines
12 KiB
C++
/********************************************************************************
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* Copyright (C) 2018 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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#include <fairmq/ofi/Context.h>
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#include <fairmq/Tools.h>
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#include <FairMQLogger.h>
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#include <arpa/inet.h>
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#include <boost/version.hpp>
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#include <cstring>
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#include <google/protobuf/stubs/common.h>
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#include <memory>
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#include <netinet/in.h>
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#include <rdma/fabric.h>
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#include <rdma/fi_domain.h>
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#include <rdma/fi_endpoint.h>
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#include <rdma/fi_errno.h>
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#include <regex>
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#include <string>
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#include <string.h>
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#include <sys/socket.h>
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#include <zmq.h>
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namespace fair
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{
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namespace mq
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{
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namespace ofi
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{
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using namespace std;
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Context::Context(int numberIoThreads)
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: fOfiDomain(nullptr)
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, fOfiFabric(nullptr)
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, fOfiInfo(nullptr)
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, fOfiAddressVector(nullptr)
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, fOfiEventQueue(nullptr)
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, fZmqContext(zmq_ctx_new())
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, fIoWork(fIoContext)
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{
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if (!fZmqContext)
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throw ContextError{tools::ToString("Failed creating zmq context, reason: ", zmq_strerror(errno))};
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GOOGLE_PROTOBUF_VERIFY_VERSION;
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InitThreadPool(numberIoThreads);
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}
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auto Context::InitThreadPool(int numberIoThreads) -> void
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{
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assert(numberIoThreads > 0);
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for (int i = 1; i <= numberIoThreads; ++i) {
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fThreadPool.emplace_back([&, i, numberIoThreads]{
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LOG(debug) << "I/O thread #" << i << "/" << numberIoThreads << " started";
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fIoContext.run();
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LOG(debug) << "I/O thread #" << i << "/" << numberIoThreads << " stopped";
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});
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}
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}
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Context::~Context()
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{
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fIoContext.stop();
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for (auto& thread : fThreadPool)
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thread.join();
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if (zmq_ctx_term(fZmqContext) != 0)
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LOG(error) << "Failed closing zmq context, reason: " << zmq_strerror(errno);
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if (fOfiEventQueue) {
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auto ret = fi_close(&fOfiEventQueue->fid);
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if (ret != FI_SUCCESS)
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LOG(error) << "Failed closing ofi event queue, reason: " << fi_strerror(ret);
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}
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if (fOfiAddressVector) {
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auto ret = fi_close(&fOfiAddressVector->fid);
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if (ret != FI_SUCCESS)
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LOG(error) << "Failed closing ofi address vector, reason: " << fi_strerror(ret);
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}
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if (fOfiDomain) {
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auto ret = fi_close(&fOfiDomain->fid);
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if (ret != FI_SUCCESS)
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LOG(error) << "Failed closing ofi domain, reason: " << fi_strerror(ret);
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}
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if (fOfiFabric) {
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auto ret = fi_close(&fOfiFabric->fid);
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if (ret != FI_SUCCESS)
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LOG(error) << "Failed closing ofi fabric, reason: " << fi_strerror(ret);
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}
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}
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auto Context::GetZmqVersion() const -> string
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{
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int major, minor, patch;
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zmq_version(&major, &minor, &patch);
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return tools::ToString(major, ".", minor, ".", patch);
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}
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auto Context::GetOfiApiVersion() const -> string
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{
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// Disable for now, does not compile with gcc 4.9.2 debian jessie
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//auto ofi_version{fi_version()};
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//return tools::ToString(FI_MAJOR(ofi_version), ".", FI_MINOR(ofi_version));
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return "unknown";
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}
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auto Context::GetPbVersion() const -> string
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{
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return google::protobuf::internal::VersionString(GOOGLE_PROTOBUF_VERSION);
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}
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auto Context::GetBoostVersion() const -> std::string
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{
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return tools::ToString(BOOST_VERSION / 100000, ".", BOOST_VERSION / 100 % 1000, ".", BOOST_VERSION % 100);
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}
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auto Context::InitOfi(ConnectionType type, Address addr) -> void
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{
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if (!fOfiInfo) {
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sockaddr_in* sa = static_cast<sockaddr_in*>(malloc(sizeof(sockaddr_in)));
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addr.Port = 0;
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auto sa2 = ConvertAddress(addr);
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memcpy(sa, &sa2, sizeof(sockaddr_in));
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// Prepare fi_getinfo query
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unique_ptr<fi_info, void(*)(fi_info*)> ofi_hints(fi_allocinfo(), fi_freeinfo);
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ofi_hints->caps = FI_MSG;
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//ofi_hints->mode = FI_CONTEXT;
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ofi_hints->addr_format = FI_SOCKADDR_IN;
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if (addr.Protocol == "tcp") {
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ofi_hints->fabric_attr->prov_name = strdup("sockets");
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} else if (addr.Protocol == "verbs") {
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ofi_hints->fabric_attr->prov_name = strdup("verbs;ofi_rxm");
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}
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ofi_hints->ep_attr->type = FI_EP_RDM;
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//ofi_hints->domain_attr->mr_mode = FI_MR_BASIC | FI_MR_SCALABLE;
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ofi_hints->domain_attr->threading = FI_THREAD_SAFE;
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ofi_hints->domain_attr->control_progress = FI_PROGRESS_AUTO;
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ofi_hints->domain_attr->data_progress = FI_PROGRESS_AUTO;
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ofi_hints->tx_attr->op_flags = FI_COMPLETION;
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ofi_hints->rx_attr->op_flags = FI_COMPLETION;
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if (type == ConnectionType::Bind) {
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ofi_hints->src_addr = sa;
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ofi_hints->src_addrlen = sizeof(sockaddr_in);
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ofi_hints->dest_addr = nullptr;
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ofi_hints->dest_addrlen = 0;
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} else {
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ofi_hints->src_addr = nullptr;
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ofi_hints->src_addrlen = 0;
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ofi_hints->dest_addr = sa;
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ofi_hints->dest_addrlen = sizeof(sockaddr_in);
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}
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// Query fi_getinfo for fabric to use
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auto res = fi_getinfo(FI_VERSION(1, 5), nullptr, nullptr, 0, ofi_hints.get(), &fOfiInfo);
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if (res != 0) throw ContextError{tools::ToString("Failed querying fi_getinfo, reason: ", fi_strerror(res))};
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if (!fOfiInfo) throw ContextError{"Could not find any ofi compatible fabric."};
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// for(auto cursor{ofi_info}; cursor->next != nullptr; cursor = cursor->next) {
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// LOG(debug) << fi_tostr(fOfiInfo, FI_TYPE_INFO);
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// }
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//
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} else {
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LOG(debug) << "Ofi info already queried. Skipping.";
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}
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OpenOfiFabric();
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// OpenOfiEventQueue();
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OpenOfiDomain();
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OpenOfiAddressVector();
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}
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auto Context::OpenOfiFabric() -> void
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{
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if (!fOfiFabric) {
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assert(fOfiInfo);
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fi_context ctx;
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auto ret = fi_fabric(fOfiInfo->fabric_attr, &fOfiFabric, &ctx);
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if (ret != FI_SUCCESS)
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throw ContextError{tools::ToString("Failed opening ofi fabric, reason: ", fi_strerror(ret))};
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} else {
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// TODO Check, if requested fabric matches existing one.
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// TODO Decide, if we want to support more than one fabric simultaneously.
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LOG(debug) << "Ofi fabric already opened. Skipping.";
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}
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}
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auto Context::OpenOfiDomain() -> void
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{
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if (!fOfiDomain) {
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assert(fOfiInfo);
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assert(fOfiFabric);
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fi_context ctx;
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auto ret = fi_domain(fOfiFabric, fOfiInfo, &fOfiDomain, &ctx);
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if (ret != FI_SUCCESS)
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throw ContextError{tools::ToString("Failed opening ofi domain, reason: ", fi_strerror(ret))};
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} else {
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LOG(debug) << "Ofi domain already opened. Skipping.";
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}
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}
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auto Context::OpenOfiEventQueue() -> void
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{
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fi_eq_attr eqAttr = {100, 0, FI_WAIT_UNSPEC, 0, nullptr};
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// size_t size; [> # entries for EQ <]
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// uint64_t flags; [> operation flags <]
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// enum fi_wait_obj wait_obj; [> requested wait object <]
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// int signaling_vector; [> interrupt affinity <]
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// struct fid_wait *wait_set; [> optional wait set <]
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fi_context ctx;
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auto ret = fi_eq_open(fOfiFabric, &eqAttr, &fOfiEventQueue, &ctx);
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if (ret != FI_SUCCESS)
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throw ContextError{tools::ToString("Failed opening ofi event queue, reason: ", fi_strerror(ret))};
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}
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auto Context::OpenOfiAddressVector() -> void
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{
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if (!fOfiAddressVector) {
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assert(fOfiDomain);
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fi_av_attr attr = {fOfiInfo->domain_attr->av_type, 0, 1000, 0, nullptr, nullptr, 0};
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// enum fi_av_type type; [> type of AV <]
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// int rx_ctx_bits; [> address bits to identify rx ctx <]
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// size_t count; [> # entries for AV <]
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// size_t ep_per_node; [> # endpoints per fabric address <]
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// const char *name; [> system name of AV <]
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// void *map_addr; [> base mmap address <]
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// uint64_t flags; [> operation flags <]
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fi_context ctx;
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auto ret = fi_av_open(fOfiDomain, &attr, &fOfiAddressVector, &ctx);
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if (ret != FI_SUCCESS)
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throw ContextError{tools::ToString("Failed opening ofi address vector, reason: ", fi_strerror(ret))};
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//assert(fOfiEventQueue);
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//ret = fi_av_bind(fOfiAddressVector, &fOfiEventQueue->fid, 0);
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//if (ret != FI_SUCCESS)
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// throw ContextError{tools::ToString("Failed binding ofi event queue to address vector, reason: ", fi_strerror(ret))};
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} else {
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LOG(debug) << "Ofi address vector already opened. Skipping.";
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}
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}
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auto Context::CreateOfiEndpoint() -> fid_ep*
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{
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assert(fOfiDomain);
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assert(fOfiInfo);
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fid_ep* ep = nullptr;
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fi_context ctx;
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auto ret = fi_endpoint(fOfiDomain, fOfiInfo, &ep, &ctx);
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if (ret != FI_SUCCESS)
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throw ContextError{tools::ToString("Failed creating ofi endpoint, reason: ", fi_strerror(ret))};
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//assert(fOfiEventQueue);
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//ret = fi_ep_bind(ep, &fOfiEventQueue->fid, 0);
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//if (ret != FI_SUCCESS)
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// throw ContextError{tools::ToString("Failed binding ofi event queue to ofi endpoint, reason: ", fi_strerror(ret))};
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assert(fOfiAddressVector);
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ret = fi_ep_bind(ep, &fOfiAddressVector->fid, 0);
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if (ret != FI_SUCCESS)
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throw ContextError{tools::ToString("Failed binding ofi address vector to ofi endpoint, reason: ", fi_strerror(ret))};
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return ep;
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}
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auto Context::CreateOfiCompletionQueue(Direction dir) -> fid_cq*
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{
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fid_cq* cq = nullptr;
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fi_cq_attr attr = {0, 0, FI_CQ_FORMAT_DATA, FI_WAIT_UNSPEC, 0, FI_CQ_COND_NONE, nullptr};
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if (dir == Direction::Receive) {
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attr.size = fOfiInfo->rx_attr->size;
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} else {
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attr.size = fOfiInfo->tx_attr->size;
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}
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// size_t size; [> # entries for CQ <]
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// uint64_t flags; [> operation flags <]
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// enum fi_cq_format format; [> completion format <]
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// enum fi_wait_obj wait_obj; [> requested wait object <]
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// int signaling_vector; [> interrupt affinity <]
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// enum fi_cq_wait_cond wait_cond; [> wait condition format <]
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// struct fid_wait *wait_set; [> optional wait set <]
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fi_context ctx;
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auto ret = fi_cq_open(fOfiDomain, &attr, &cq, &ctx);
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if (ret != FI_SUCCESS)
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throw ContextError{tools::ToString("Failed creating ofi completion queue, reason: ", fi_strerror(ret))};
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return cq;
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}
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auto Context::InsertAddressVector(sockaddr_in address) -> fi_addr_t
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{
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fi_addr_t mappedAddress;
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fi_context ctx;
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auto ret = fi_av_insert(fOfiAddressVector, &address, 1, &mappedAddress, 0, &ctx);
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if (ret != 1)
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throw ContextError{tools::ToString("Failed to insert address into ofi address vector")};
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return mappedAddress;
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}
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auto Context::AddressVectorLookup(fi_addr_t address) -> sockaddr_in
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{
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throw ContextError("Not yet implemented");
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}
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auto Context::ConvertAddress(std::string address) -> Address
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{
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string protocol, ip;
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unsigned int port = 0;
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regex address_regex("^([a-z]+)://([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+):([0-9]+).*");
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smatch address_result;
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if (regex_match(address, address_result, address_regex)) {
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protocol = address_result[1];
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ip = address_result[2];
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port = stoul(address_result[3]);
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// LOG(debug) << "Parsed '" << protocol << "', '" << ip << "', '" << port << "' fields from '" << address << "'";
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} else {
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throw ContextError(tools::ToString("Wrong format: Address must be in format prot://ip:port"));
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}
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return { protocol, ip, port };
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}
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auto Context::ConvertAddress(Address address) -> sockaddr_in
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{
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sockaddr_in sa;
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if (inet_pton(AF_INET, address.Ip.c_str(), &(sa.sin_addr)) != 1)
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throw ContextError(tools::ToString("Failed to convert given IP '", address.Ip, "' to struct in_addr, reason: ", strerror(errno)));
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sa.sin_port = htons(address.Port);
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sa.sin_family = AF_INET;
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return sa;
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}
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auto Context::ConvertAddress(sockaddr_in address) -> Address
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{
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return {"tcp", inet_ntoa(address.sin_addr), ntohs(address.sin_port)};
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}
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auto Context::VerifyAddress(const std::string& address) -> Address
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{
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auto addr = ConvertAddress(address);
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if (!(addr.Protocol == "tcp" || addr.Protocol == "verbs"))
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throw ContextError("Wrong protocol: Supported protocols are: tcp:// and verbs://");
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return addr;
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}
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} /* namespace ofi */
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} /* namespace mq */
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} /* namespace fair */
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