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| -rw-r--r-- | src/dmclock/test/test_dmclock_client.cc | 307 |
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diff --git a/src/dmclock/test/test_dmclock_client.cc b/src/dmclock/test/test_dmclock_client.cc new file mode 100644 index 000000000..58840457b --- /dev/null +++ b/src/dmclock/test/test_dmclock_client.cc @@ -0,0 +1,307 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +/* + * Copyright (C) 2016 Red Hat Inc. + * + * Author: J. Eric Ivancich <ivancich@redhat.com> + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License version + * 2.1, as published by the Free Software Foundation. See file + * COPYING. + */ + + +#include <chrono> +#include <mutex> +#include <functional> +#include <iostream> + + +#include "dmclock_client.h" +#include "dmclock_util.h" +#include "gtest/gtest.h" + + +namespace dmc = crimson::dmclock; + + +namespace crimson { + namespace dmclock { + + /* + * Allows us to test the code provided with the mutex provided locked. + */ + static void test_locked(std::mutex& mtx, std::function<void()> code) { + std::lock_guard<std::mutex> l(mtx); + code(); + } + + + TEST(dmclock_client, server_erase) { + using ServerId = int; + // using ClientId = int; + + ServerId server = 101; + // ClientId client = 3; + + // dmc::PhaseType resp_params = dmc::PhaseType::reservation; + + dmc::ServiceTracker<ServerId> st(std::chrono::seconds(2), + std::chrono::seconds(3)); + + auto lock_st = [&](std::function<void()> code) { + test_locked(st.data_mtx, code); + }; + + /* The timeline should be as follows: + * + * 0 seconds : request created + * + * 1 seconds : map is size 1 + * + * 2 seconds : clean notes first mark; +2 is base for further calcs + * + * 4 seconds : clean does nothing except makes another mark + * + * 5 seconds : when we're secheduled to erase (+2 + 3) + * + * 5 seconds : since the clean job hasn't run yet, map still size 1 + * + * 6 seconds : clean erases server + * + * 7 seconds : verified server is gone (map size 0) + */ + + lock_st([&] () { + EXPECT_EQ(0u, st.server_map.size()) << + "server map initially has size 0"; + }); + + std::this_thread::sleep_for(std::chrono::seconds(1)); + + // call for side effects + (void) st.get_req_params(server); + + lock_st([&] () { + EXPECT_EQ(1u, st.server_map.size()) << + "server map has size 1 after first request"; + }); + + std::this_thread::sleep_for(std::chrono::seconds(4)); + + lock_st([&] () { + EXPECT_EQ(1u, st.server_map.size()) << + "server map has size 1 just before erase"; + }); + + std::this_thread::sleep_for(std::chrono::seconds(2)); + + lock_st([&] () { + EXPECT_EQ(0u, st.server_map.size()) << + "server map has size 0 just after erase"; + }); + } // TEST + + + TEST(dmclock_client, delta_rho_values_borrowing_tracker) { + using ServerId = int; + // using ClientId = int; + + ServerId server1 = 101; + ServerId server2 = 7; + // ClientId client = 3; + + // RespParams<ServerId> resp_params(server, dmc::PhaseType::reservation); + + dmc::ServiceTracker<ServerId,dmc::BorrowingTracker> st(std::chrono::seconds(2), + std::chrono::seconds(3)); + auto rp1 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp1.delta) << + "delta should be 1 with no intervening responses by" << + "other servers"; + EXPECT_EQ(1u, rp1.rho) << + "rho should be 1 with no intervening reservation responses by" << + "other servers"; + + auto rp2 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp2.delta) << + "delta should be 1 with no intervening responses by" << + "other servers"; + EXPECT_EQ(1u, rp2.rho) << + "rho should be 1 with no intervening reservation responses by" << + "other servers"; + + // RESPONSE + st.track_resp(server1, dmc::PhaseType::priority, 1u); + + auto rp3 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp3.delta) << + "delta should be 1 with no intervening responses by" << + "other servers"; + EXPECT_EQ(1u, rp3.rho) << + "rho should be 1 with no intervening reservation responses by" << + "other servers"; + + // RESPONSE + st.track_resp(server2, dmc::PhaseType::priority, 1u); + + auto rp4 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp4.delta) << + "delta should be 2 with one intervening priority response by " << + "another server"; + EXPECT_EQ(1u, rp4.rho) << + "rho should be 1 with one intervening priority responses by " << + "another server"; + + auto rp5 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp5.delta) << + "delta should be 1 with no intervening responses by" << + "other servers"; + EXPECT_EQ(1u, rp5.rho) << + "rho should be 1 with no intervening reservation responses by" << + "other servers"; + + // RESPONSE + st.track_resp(server2, dmc::PhaseType::reservation, 1u); + + auto rp6 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp6.delta) << + "delta should be 2 with one intervening reservation response by " << + "another server"; + EXPECT_EQ(1u, rp6.rho) << + "rho should be 2 with one intervening reservation responses by " << + "another server"; + + st.track_resp(server2, dmc::PhaseType::reservation, 1u); + st.track_resp(server1, dmc::PhaseType::priority, 1u); + st.track_resp(server2, dmc::PhaseType::priority, 1u); + st.track_resp(server2, dmc::PhaseType::reservation, 1u); + st.track_resp(server1, dmc::PhaseType::reservation, 1u); + st.track_resp(server1, dmc::PhaseType::priority, 1u); + st.track_resp(server2, dmc::PhaseType::priority, 1u); + + auto rp7 = st.get_req_params(server1); + + EXPECT_EQ(5u, rp7.delta) << + "delta should be 5 with four intervening responses by " << + "another server"; + EXPECT_EQ(1u, rp7.rho) << + "rho should be 1 with two intervening reservation responses by " << + "another server"; + + auto rp7b = st.get_req_params(server2); + + EXPECT_EQ(9u, rp7b.delta) << + "delta should be 9 with three intervening responses by " << + "another server"; + EXPECT_EQ(4u, rp7b.rho) << + "rho should be 4 with one intervening reservation responses by " << + "another server"; + + auto rp8 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp8.delta) << + "delta should be 1 with no intervening responses by " << + "another server"; + EXPECT_EQ(1u, rp8.rho) << + "rho should be 1 with no intervening reservation responses by " << + "another server"; + + auto rp8b = st.get_req_params(server2); + EXPECT_EQ(1u, rp8b.delta) << + "delta should be 1 with no intervening responses by " << + "another server"; + EXPECT_EQ(1u, rp8b.rho) << + "rho should be 1 with no intervening reservation responses by " << + "another server"; + } // TEST + + + // NB: the BorrowingTracker has not been fully tested and the + // expected values below have not yet been compared with the + // theoretically correct values. + TEST(dmclock_client, delta_rho_values_orig_tracker) { + using ServerId = int; + + ServerId server1 = 101; + ServerId server2 = 7; + + dmc::ServiceTracker<ServerId,OrigTracker> + st(std::chrono::seconds(2), std::chrono::seconds(3)); + + auto rp1 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp1.delta); + EXPECT_EQ(1u, rp1.rho); + + auto rp2 = st.get_req_params(server1); + + EXPECT_EQ(0u, rp2.delta); + EXPECT_EQ(0u, rp2.rho); + + st.track_resp(server1, dmc::PhaseType::priority, 1u); + + auto rp3 = st.get_req_params(server1); + + EXPECT_EQ(0u, rp3.delta); + EXPECT_EQ(0u, rp3.rho); + + st.track_resp(server2, dmc::PhaseType::priority, 1u); + + auto rp4 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp4.delta); + EXPECT_EQ(0u, rp4.rho); + + auto rp5 = st.get_req_params(server1); + + EXPECT_EQ(0u, rp5.delta); + EXPECT_EQ(0u, rp5.rho); + + st.track_resp(server2, dmc::PhaseType::reservation, 1u); + + auto rp6 = st.get_req_params(server1); + + EXPECT_EQ(1u, rp6.delta); + EXPECT_EQ(1u, rp6.rho); + + // auto rp6_b = st.get_req_params(server2); + + st.track_resp(server2, dmc::PhaseType::reservation, 1u); + st.track_resp(server1, dmc::PhaseType::priority, 1u); + st.track_resp(server2, dmc::PhaseType::priority, 1u); + st.track_resp(server2, dmc::PhaseType::reservation, 1u); + st.track_resp(server1, dmc::PhaseType::reservation, 1u); + st.track_resp(server1, dmc::PhaseType::priority, 1u); + st.track_resp(server2, dmc::PhaseType::priority, 1u); + + auto rp7 = st.get_req_params(server1); + + EXPECT_EQ(4u, rp7.delta); + EXPECT_EQ(2u, rp7.rho); + + auto rp7b = st.get_req_params(server2); + + EXPECT_EQ(3u, rp7b.delta); + EXPECT_EQ(1u, rp7b.rho); + + auto rp8 = st.get_req_params(server1); + + EXPECT_EQ(0u, rp8.delta); + EXPECT_EQ(0u, rp8.rho); + + auto rp8b = st.get_req_params(server2); + EXPECT_EQ(0u, rp8b.delta); + EXPECT_EQ(0u, rp8b.rho); + } // TEST + + } // namespace dmclock +} // namespace crimson |