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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:nil -*-
#include <boost/program_options/variables_map.hpp>
#include <boost/program_options/parsers.hpp>
#include "auth/Auth.h"
#include "global/global_init.h"
#include "messages/MPing.h"
#include "msg/Dispatcher.h"
#include "msg/Messenger.h"
#include "auth/DummyAuth.h"
enum class echo_role {
as_server,
as_client,
};
namespace native_pingpong {
constexpr int CEPH_OSD_PROTOCOL = 10;
struct Server {
Server(CephContext* cct, const entity_inst_t& entity)
: dummy_auth(cct), dispatcher(cct)
{
msgr.reset(Messenger::create(cct, "async", entity.name, "pong", entity.addr.get_nonce()));
dummy_auth.auth_registry.refresh_config();
msgr->set_cluster_protocol(CEPH_OSD_PROTOCOL);
msgr->set_default_policy(Messenger::Policy::stateless_server(0));
msgr->set_auth_client(&dummy_auth);
msgr->set_auth_server(&dummy_auth);
msgr->set_require_authorizer(false);
}
DummyAuthClientServer dummy_auth;
unique_ptr<Messenger> msgr;
struct ServerDispatcher : Dispatcher {
std::mutex mutex;
std::condition_variable on_reply;
bool replied = false;
ServerDispatcher(CephContext* cct)
: Dispatcher(cct)
{}
bool ms_can_fast_dispatch_any() const override {
return true;
}
bool ms_can_fast_dispatch(const Message* m) const override {
return m->get_type() == CEPH_MSG_PING;
}
void ms_fast_dispatch(Message* m) override {
m->get_connection()->send_message(new MPing);
m->put();
{
std::lock_guard lock{mutex};
replied = true;
}
on_reply.notify_one();
}
bool ms_dispatch(Message*) override {
ceph_abort();
}
bool ms_handle_reset(Connection*) override {
return true;
}
void ms_handle_remote_reset(Connection*) override {
}
bool ms_handle_refused(Connection*) override {
return true;
}
void echo() {
replied = false;
std::unique_lock lock{mutex};
return on_reply.wait(lock, [this] { return replied; });
}
} dispatcher;
void echo() {
dispatcher.echo();
}
};
struct Client {
unique_ptr<Messenger> msgr;
Client(CephContext *cct)
: dummy_auth(cct), dispatcher(cct)
{
msgr.reset(Messenger::create(cct, "async", entity_name_t::CLIENT(-1), "ping", getpid()));
dummy_auth.auth_registry.refresh_config();
msgr->set_cluster_protocol(CEPH_OSD_PROTOCOL);
msgr->set_default_policy(Messenger::Policy::lossy_client(0));
msgr->set_auth_client(&dummy_auth);
msgr->set_auth_server(&dummy_auth);
msgr->set_require_authorizer(false);
}
DummyAuthClientServer dummy_auth;
struct ClientDispatcher : Dispatcher {
std::mutex mutex;
std::condition_variable on_reply;
bool replied = false;
ClientDispatcher(CephContext* cct)
: Dispatcher(cct)
{}
bool ms_can_fast_dispatch_any() const override {
return true;
}
bool ms_can_fast_dispatch(const Message* m) const override {
return m->get_type() == CEPH_MSG_PING;
}
void ms_fast_dispatch(Message* m) override {
m->put();
{
std::lock_guard lock{mutex};
replied = true;
}
on_reply.notify_one();
}
bool ms_dispatch(Message*) override {
ceph_abort();
}
bool ms_handle_reset(Connection *) override {
return true;
}
void ms_handle_remote_reset(Connection*) override {
}
bool ms_handle_refused(Connection*) override {
return true;
}
bool ping(Messenger* msgr, const entity_inst_t& peer) {
auto conn = msgr->connect_to(peer.name.type(),
entity_addrvec_t{peer.addr});
replied = false;
conn->send_message(new MPing);
std::unique_lock lock{mutex};
return on_reply.wait_for(lock, 500ms, [&] {
return replied;
});
}
} dispatcher;
void ping(const entity_inst_t& peer) {
dispatcher.ping(msgr.get(), peer);
}
};
} // namespace native_pingpong
static void ceph_echo(CephContext* cct,
entity_addr_t addr, echo_role role, unsigned count)
{
std::cout << "ceph/";
entity_inst_t entity{entity_name_t::OSD(0), addr};
if (role == echo_role::as_server) {
std::cout << "server listening at " << addr << std::endl;
native_pingpong::Server server{cct, entity};
server.msgr->bind(addr);
server.msgr->add_dispatcher_head(&server.dispatcher);
server.msgr->start();
for (unsigned i = 0; i < count; i++) {
server.echo();
}
server.msgr->shutdown();
server.msgr->wait();
} else {
std::cout << "client sending to " << addr << std::endl;
native_pingpong::Client client{cct};
client.msgr->add_dispatcher_head(&client.dispatcher);
client.msgr->start();
auto conn = client.msgr->connect_to(entity.name.type(),
entity_addrvec_t{entity.addr});
for (unsigned i = 0; i < count; i++) {
std::cout << "seq=" << i << std::endl;
client.ping(entity);
}
client.msgr->shutdown();
client.msgr->wait();
}
}
int main(int argc, char** argv)
{
namespace po = boost::program_options;
po::options_description desc{"Allowed options"};
desc.add_options()
("help,h", "show help message")
("role", po::value<std::string>()->default_value("pong"),
"role to play (ping | pong)")
("port", po::value<uint16_t>()->default_value(9010),
"port #")
("nonce", po::value<uint32_t>()->default_value(42),
"a unique number to identify the pong server")
("count", po::value<unsigned>()->default_value(10),
"stop after sending/echoing <count> MPing messages")
("v2", po::value<bool>()->default_value(false),
"using msgr v2 protocol");
po::variables_map vm;
std::vector<std::string> unrecognized_options;
try {
auto parsed = po::command_line_parser(argc, argv)
.options(desc)
.allow_unregistered()
.run();
po::store(parsed, vm);
if (vm.count("help")) {
std::cout << desc << std::endl;
return 0;
}
po::notify(vm);
unrecognized_options = po::collect_unrecognized(parsed.options, po::include_positional);
} catch(const po::error& e) {
std::cerr << "error: " << e.what() << std::endl;
return 1;
}
entity_addr_t addr;
if (vm["v2"].as<bool>()) {
addr.set_type(entity_addr_t::TYPE_MSGR2);
} else {
addr.set_type(entity_addr_t::TYPE_LEGACY);
}
addr.set_family(AF_INET);
addr.set_port(vm["port"].as<std::uint16_t>());
addr.set_nonce(vm["nonce"].as<std::uint32_t>());
echo_role role = echo_role::as_server;
if (vm["role"].as<std::string>() == "ping") {
role = echo_role::as_client;
}
auto count = vm["count"].as<unsigned>();
std::vector<const char*> args(argv, argv + argc);
auto cct = global_init(nullptr, args,
CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_MON_CONFIG);
common_init_finish(cct.get());
ceph_echo(cct.get(), addr, role, count);
}
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