/* s4u::Engine Simulation Engine and global functions. */
-/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "simgrid/s4u/Host.hpp"
#include "simgrid/s4u/Mailbox.hpp"
#include "simgrid/s4u/NetZone.hpp"
-#include "simgrid/s4u/Storage.hpp"
#include "simgrid/simix.h"
#include "src/instr/instr_private.hpp"
#include "src/kernel/EngineImpl.hpp"
-#include "src/simix/smx_private.hpp" // For access to simix_global->process_list
-#include "src/surf/StorageImpl.hpp"
+#include "src/mc/mc_replay.hpp"
#include "src/surf/network_interface.hpp"
#include "surf/surf.hpp" // routing_platf. FIXME:KILLME. SOON
#include <simgrid/Exception.hpp>
+#include <algorithm>
#include <string>
XBT_LOG_NEW_CATEGORY(s4u, "Log channels of the S4U (Simgrid for you) interface");
Engine* Engine::instance_ = nullptr; /* That singleton is awful, but I don't see no other solution right now. */
-Engine::Engine(int* argc, char** argv) : pimpl(new kernel::EngineImpl())
+void Engine::initialize(int* argc, char** argv)
{
xbt_assert(Engine::instance_ == nullptr, "It is currently forbidden to create more than one instance of s4u::Engine");
- TRACE_global_init();
+ Engine::instance_ = this;
+ instr::init();
SIMIX_global_init(argc, argv);
+}
- Engine::instance_ = this;
+Engine::Engine(std::string name) : pimpl(new kernel::EngineImpl())
+{
+ int argc = 1;
+ char* argv = &name[0];
+ initialize(&argc, &argv);
+}
+
+Engine::Engine(int* argc, char** argv) : pimpl(new kernel::EngineImpl())
+{
+ initialize(argc, argv);
}
Engine::~Engine()
Engine* Engine::get_instance()
{
if (Engine::instance_ == nullptr) {
- auto e = new Engine(0, nullptr);
+ auto e = new Engine(nullptr, nullptr);
xbt_assert(Engine::instance_ == e);
}
return Engine::instance_;
double Engine::get_clock()
{
- return SIMIX_get_clock();
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ return MC_process_clock_get(SIMIX_process_self());
+ } else {
+ return surf_get_clock();
+ }
+}
+
+void Engine::add_model(std::shared_ptr<kernel::resource::Model> model,
+ const std::vector<kernel::resource::Model*>& dependencies)
+{
+ simgrid::kernel::actor::simcall([this, &model, &dependencies] { pimpl->add_model(std::move(model), dependencies); });
+}
+
+const std::vector<simgrid::kernel::resource::Model*>& Engine::get_all_models() const
+{
+ return pimpl->get_all_models();
}
/**
* Creates a new platform, including hosts, links, and the routing table.
*
- * \rst
+ * @beginrst
* See also: :ref:`platform`.
- * \endrst
+ * @endrst
*/
-void Engine::load_platform(const std::string& platf)
+void Engine::load_platform(const std::string& platf) const
{
- double start = xbt_os_time();
- parse_platform_file(platf);
+ pimpl->load_platform(platf);
+}
- double end = xbt_os_time();
- XBT_DEBUG("PARSE TIME: %g", (end - start));
+void Engine::register_function(const std::string& name, int (*code)(int, char**)) // XBT_ATTRIB_DEPRECATED_v329
+{
+ kernel::actor::ActorCodeFactory code_factory = [code](std::vector<std::string> args) {
+ return xbt::wrap_main(code, std::move(args));
+ };
+ register_function(name, code_factory);
+}
+void Engine::register_default(int (*code)(int, char**)) // XBT_ATTRIB_DEPRECATED_v329
+{
+ register_default([code](std::vector<std::string> args) { return xbt::wrap_main(code, std::move(args)); });
}
/** Registers the main function of an actor that will be launched from the deployment file */
-void Engine::register_function(const std::string& name, int (*code)(int, char**))
+void Engine::register_function(const std::string& name, const std::function<void(int, char**)>& code)
{
- pimpl->register_function(name, code);
+ kernel::actor::ActorCodeFactory code_factory = [code](std::vector<std::string> args) {
+ return xbt::wrap_main(code, std::move(args));
+ };
+ register_function(name, code_factory);
}
/** Registers the main function of an actor that will be launched from the deployment file */
-void Engine::register_function(const std::string& name, void (*code)(std::vector<std::string>))
+void Engine::register_function(const std::string& name, const std::function<void(std::vector<std::string>)>& code)
{
- pimpl->register_function(name, code);
+ kernel::actor::ActorCodeFactory code_factory = [code{code}](std::vector<std::string> args) mutable {
+ return std::bind(std::move(code), std::move(args));
+ };
+ register_function(name, code_factory);
}
/** Registers a function as the default main function of actors
*
* It will be used as fallback when the function requested from the deployment file was not registered.
- * It is used for trace-based simulations (see examples/s4u/replay-comms and similar).
+ * It is used for trace-based simulations (see examples/cpp/replay-comms and similar).
*/
-void Engine::register_default(int (*code)(int, char**))
+void Engine::register_default(const std::function<void(int, char**)>& code)
+{
+ register_default([code](std::vector<std::string> args) { return xbt::wrap_main(code, std::move(args)); });
+}
+void Engine::register_default(const kernel::actor::ActorCodeFactory& code)
+{
+ simgrid::kernel::actor::simcall([this, &code]() { pimpl->register_default(code); });
+}
+
+void Engine::register_function(const std::string& name, const kernel::actor::ActorCodeFactory& code)
{
- pimpl->register_default(code);
+ simgrid::kernel::actor::simcall([this, name, &code]() { pimpl->register_function(name, code); });
}
/** Load a deployment file and launch the actors that it contains
*
- * \rst
+ * @beginrst
* See also: :ref:`deploy`.
- * \endrst
+ * @endrst
*/
-void Engine::load_deployment(const std::string& deploy)
+void Engine::load_deployment(const std::string& deploy) const
{
pimpl->load_deployment(deploy);
}
/** Returns the amount of hosts in the platform */
-size_t Engine::get_host_count()
+size_t Engine::get_host_count() const
{
return pimpl->hosts_.size();
}
-std::vector<Host*> Engine::get_all_hosts()
+std::vector<Host*> Engine::get_all_hosts() const
{
std::vector<Host*> res;
for (auto const& kv : pimpl->hosts_)
return res;
}
-std::vector<Host*> Engine::get_filtered_hosts(const std::function<bool(Host*)>& filter)
+std::vector<Host*> Engine::get_filtered_hosts(const std::function<bool(Host*)>& filter) const
{
std::vector<Host*> hosts;
for (auto const& kv : pimpl->hosts_) {
*
* @throw std::invalid_argument if the searched host does not exist.
*/
-Host* Engine::host_by_name(const std::string& name)
+Host* Engine::host_by_name(const std::string& name) const
{
- if (pimpl->hosts_.find(name) == pimpl->hosts_.end())
+ auto host = pimpl->hosts_.find(name);
+ if (host == pimpl->hosts_.end())
throw std::invalid_argument(std::string("Host not found: '") + name + std::string("'"));
- return pimpl->hosts_.at(name);
+ return host->second;
}
/** @brief Find a host from its name (or nullptr if that host does not exist) */
-Host* Engine::host_by_name_or_null(const std::string& name)
+Host* Engine::host_by_name_or_null(const std::string& name) const
{
auto host = pimpl->hosts_.find(name);
return host == pimpl->hosts_.end() ? nullptr : host->second;
*
* @throw std::invalid_argument if the searched link does not exist.
*/
-Link* Engine::link_by_name(const std::string& name)
-{
- if (pimpl->links_.find(name) == pimpl->links_.end())
- throw std::invalid_argument(std::string("Link not found: ") + name);
-
- return pimpl->links_.at(name)->get_iface();
-}
-
-/** @brief Find an link from its name (or nullptr if that link does not exist) */
-Link* Engine::link_by_name_or_null(const std::string& name)
+Link* Engine::link_by_name(const std::string& name) const
{
auto link = pimpl->links_.find(name);
- return link == pimpl->links_.end() ? nullptr : link->second->get_iface();
-}
-
-void Engine::link_register(const std::string& name, Link* link)
-{
- pimpl->links_[name] = link->get_impl();
-}
-
-void Engine::link_unregister(const std::string& name)
-{
- pimpl->links_.erase(name);
-}
-
-/** @brief Returns the amount of storages in the platform */
-size_t Engine::get_storage_count()
-{
- return pimpl->storages_.size();
+ if (link == pimpl->links_.end())
+ throw std::invalid_argument(std::string("Link not found: ") + name);
+ return link->second->get_iface();
}
-/** @brief Returns the list of all storages found in the platform */
-std::vector<Storage*> Engine::get_all_storages()
+SplitDuplexLink* Engine::split_duplex_link_by_name(const std::string& name) const
{
- std::vector<Storage*> res;
- for (auto const& kv : pimpl->storages_)
- res.push_back(kv.second->get_iface());
- return res;
+ auto link = pimpl->split_duplex_links_.find(name);
+ if (link == pimpl->split_duplex_links_.end())
+ throw std::invalid_argument(std::string("Link not found: ") + name);
+ return link->second->get_iface();
}
-/** @brief Find a storage from its name.
- *
- * @throw std::invalid_argument if the searched storage does not exist.
- */
-Storage* Engine::storage_by_name(const std::string& name)
+/** @brief Find a link from its name (or nullptr if that link does not exist) */
+Link* Engine::link_by_name_or_null(const std::string& name) const
{
- if (pimpl->storages_.find(name) == pimpl->storages_.end())
- throw std::invalid_argument(std::string("Storage not found: ") + name);
-
- return pimpl->storages_.at(name)->get_iface();
+ auto link = pimpl->links_.find(name);
+ return link == pimpl->links_.end() ? nullptr : link->second->get_iface();
}
-/** @brief Find a storage from its name (or nullptr if that storage does not exist) */
-Storage* Engine::storage_by_name_or_null(const std::string& name)
+/** @brief Find a mailox from its name or create one if it does not exist) */
+Mailbox* Engine::mailbox_by_name_or_create(const std::string& name) const
{
- auto storage = pimpl->storages_.find(name);
- return storage == pimpl->storages_.end() ? nullptr : storage->second->get_iface();
+ /* two actors may have pushed the same mbox_create simcall at the same time */
+ kernel::activity::MailboxImpl* mbox = kernel::actor::simcall([&name, this] {
+ auto m = pimpl->mailboxes_.emplace(name, nullptr);
+ if (m.second) {
+ m.first->second = new kernel::activity::MailboxImpl(name);
+ XBT_DEBUG("Creating a mailbox at %p with name %s", m.first->second, name.c_str());
+ }
+ return m.first->second;
+ });
+ return mbox->get_iface();
}
-void Engine::storage_register(const std::string& name, Storage* storage)
+void Engine::link_register(const std::string& name, const Link* link)
{
- pimpl->storages_[name] = storage->get_impl();
+ pimpl->links_[name] = link->get_impl();
}
-void Engine::storage_unregister(const std::string& name)
+void Engine::link_unregister(const std::string& name)
{
- pimpl->storages_.erase(name);
+ pimpl->links_.erase(name);
}
/** @brief Returns the amount of links in the platform */
-size_t Engine::get_link_count()
+size_t Engine::get_link_count() const
{
return pimpl->links_.size();
}
/** @brief Returns the list of all links found in the platform */
-std::vector<Link*> Engine::get_all_links()
+std::vector<Link*> Engine::get_all_links() const
{
std::vector<Link*> res;
for (auto const& kv : pimpl->links_)
return res;
}
-std::vector<Link*> Engine::get_filtered_links(const std::function<bool(Link*)>& filter)
+std::vector<Link*> Engine::get_filtered_links(const std::function<bool(Link*)>& filter) const
{
std::vector<Link*> filtered_list;
for (auto const& kv : pimpl->links_) {
return filtered_list;
}
-size_t Engine::get_actor_count()
+size_t Engine::get_actor_count() const
{
- return simix_global->process_list.size();
+ return pimpl->get_actor_count();
}
-std::vector<ActorPtr> Engine::get_all_actors()
+std::vector<ActorPtr> Engine::get_all_actors() const
{
std::vector<ActorPtr> actor_list;
- actor_list.push_back(simgrid::s4u::Actor::self());
- for (auto const& kv : simix_global->process_list) {
- actor_list.push_back(kv.second->iface());
+ for (auto const& kv : pimpl->get_actor_list()) {
+ actor_list.push_back(kv.second->get_iface());
}
return actor_list;
}
-std::vector<ActorPtr> Engine::get_filtered_actors(const std::function<bool(ActorPtr)>& filter)
+std::vector<ActorPtr> Engine::get_filtered_actors(const std::function<bool(ActorPtr)>& filter) const
{
std::vector<ActorPtr> actor_list;
- for (auto const& kv : simix_global->process_list) {
- if (filter(kv.second->iface()))
- actor_list.push_back(kv.second->iface());
+ for (auto const& kv : pimpl->get_actor_list()) {
+ if (filter(kv.second->get_iface()))
+ actor_list.push_back(kv.second->get_iface());
}
return actor_list;
}
-void Engine::run()
+void Engine::run() const
{
+ /* sealing resources before run: links */
+ for (auto* link : get_all_links())
+ link->seal();
+ /* seal netzone root, recursively seal children netzones, hosts and disks */
+ get_netzone_root()->seal();
+
/* Clean IO before the run */
fflush(stdout);
fflush(stderr);
if (MC_is_active()) {
MC_run();
} else {
- SIMIX_run();
+ pimpl->run();
}
}
/** @brief Retrieve the root netzone, containing all others */
-s4u::NetZone* Engine::get_netzone_root()
+s4u::NetZone* Engine::get_netzone_root() const
{
- return pimpl->netzone_root_->get_iface();
+ if (pimpl->netzone_root_)
+ return pimpl->netzone_root_->get_iface();
+ return nullptr;
}
/** @brief Set the root netzone, containing all others. Once set, it cannot be changed. */
-void Engine::set_netzone_root(s4u::NetZone* netzone)
+void Engine::set_netzone_root(const s4u::NetZone* netzone)
{
xbt_assert(pimpl->netzone_root_ == nullptr, "The root NetZone cannot be changed once set");
pimpl->netzone_root_ = netzone->get_impl();
}
/** @brief Retrieve the NetZone of the given name (or nullptr if not found) */
-NetZone* Engine::netzone_by_name_or_null(const std::string& name)
+NetZone* Engine::netzone_by_name_or_null(const std::string& name) const
{
return netzone_by_name_recursive(get_netzone_root(), name);
}
/** @brief Retrieve the netpoint of the given name (or nullptr if not found) */
-kernel::routing::NetPoint* Engine::netpoint_by_name_or_null(const std::string& name)
+kernel::routing::NetPoint* Engine::netpoint_by_name_or_null(const std::string& name) const
{
auto netp = pimpl->netpoints_.find(name);
return netp == pimpl->netpoints_.end() ? nullptr : netp->second;
}
-std::vector<kernel::routing::NetPoint*> Engine::get_all_netpoints()
+kernel::routing::NetPoint* Engine::netpoint_by_name(const std::string& name) const
+{
+ auto netp = netpoint_by_name_or_null(name);
+ if (netp == nullptr) {
+ throw std::invalid_argument(std::string("Netpoint not found: %s") + name);
+ }
+ return netp;
+}
+
+std::vector<kernel::routing::NetPoint*> Engine::get_all_netpoints() const
{
std::vector<kernel::routing::NetPoint*> res;
for (auto const& kv : pimpl->netpoints_)
/** @brief Register a new netpoint to the system */
void Engine::netpoint_register(kernel::routing::NetPoint* point)
{
- // simgrid::kernel::actor::simcall([&]{ FIXME: this segfaults in set_thread
- pimpl->netpoints_[point->get_name()] = point;
- // });
+ simgrid::kernel::actor::simcall([this, point] { pimpl->netpoints_[point->get_name()] = point; });
}
/** @brief Unregister a given netpoint */
{
config::set_parse(str);
}
+void Engine::set_config(const std::string& name, int value)
+{
+ config::set_value(name.c_str(), value);
+}
+void Engine::set_config(const std::string& name, double value)
+{
+ config::set_value(name.c_str(), value);
+}
+void Engine::set_config(const std::string& name, bool value)
+{
+ config::set_value(name.c_str(), value);
+}
+void Engine::set_config(const std::string& name, const std::string& value)
+{
+ config::set_value(name.c_str(), value);
+}
+
} // namespace s4u
} // namespace simgrid
{
simgrid::s4u::Engine::get_instance()->run();
}
-void simgrid_register_function(const char* name, int (*code)(int, char**))
+void simgrid_register_function(const char* name, void (*code)(int, char**))
{
simgrid::s4u::Engine::get_instance()->register_function(name, code);
}
-void simgrid_register_default(int (*code)(int, char**))
+void simgrid_register_default(void (*code)(int, char**))
{
simgrid::s4u::Engine::get_instance()->register_default(code);
}
{
return simgrid::s4u::Engine::get_clock();
}
-int simgrid_get_actor_count()
+
+int simgrid_get_actor_count() // XBT_ATTRIB_DEPRECATED_v330
{
return simgrid::s4u::Engine::get_instance()->get_actor_count();
}
