core+daemon: eliminate scheduler::{schedule,cancel} wrappers
Also move core/global-io.hpp to daemon/global.hpp
Refs: #4528, #4883
Change-Id: I0b99029f1a19d7451aab57099cd3303b7eb42ff3
diff --git a/tests/daemon/limited-io.hpp b/tests/daemon/limited-io.hpp
new file mode 100644
index 0000000..7e7ecc4
--- /dev/null
+++ b/tests/daemon/limited-io.hpp
@@ -0,0 +1,114 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_TESTS_DAEMON_LIMITED_IO_HPP
+#define NFD_TESTS_DAEMON_LIMITED_IO_HPP
+
+#include "tests/test-common.hpp"
+
+#include <exception>
+
+namespace nfd {
+namespace tests {
+
+/** \brief provides IO operations limit and/or time limit for unit testing
+ *
+ * \warning LimitedIo is incompatible with RibIoFixture
+ */
+class LimitedIo : noncopyable
+{
+public:
+ explicit
+ LimitedIo(UnitTestTimeFixture* uttf = nullptr);
+
+ /// indicates why run() returns
+ enum StopReason {
+ /// g_io.run() returns normally because there's no work to do
+ NO_WORK,
+ /// .afterOp() has been invoked nOpsLimit times
+ EXCEED_OPS,
+ /// nTimeLimit has elapsed
+ EXCEED_TIME,
+ /// an exception is thrown
+ EXCEPTION
+ };
+
+ /** \brief g_io.run() with operation count and/or time limit
+ * \param nOpsLimit operation count limit, pass UNLIMITED_OPS for no limit
+ * \param timeLimit time limit, pass UNLIMITED_TIME for no limit
+ * \param tick if this LimitedIo is constructed with UnitTestTimeFixture,
+ * this is passed to .advanceClocks(), otherwise ignored
+ */
+ StopReason
+ run(int nOpsLimit, const time::nanoseconds& timeLimit,
+ const time::nanoseconds& tick = time::milliseconds(1));
+
+ /// count an operation
+ void
+ afterOp();
+
+ /** \brief defer for specified duration
+ *
+ * equivalent to .run(UNLIMITED_OPS, d)
+ */
+ void
+ defer(const time::nanoseconds& d)
+ {
+ this->run(UNLIMITED_OPS, d);
+ }
+
+ std::exception_ptr
+ getLastException() const
+ {
+ return m_lastException;
+ }
+
+private:
+ /** \brief an exception to stop IO operation
+ */
+ class StopException : public std::exception
+ {
+ };
+
+ void
+ afterTimeout();
+
+public:
+ static const int UNLIMITED_OPS;
+ static const time::nanoseconds UNLIMITED_TIME;
+
+private:
+ UnitTestTimeFixture* m_uttf;
+ StopReason m_reason;
+ int m_nOpsRemaining = 0;
+ scheduler::EventId m_timeout;
+ std::exception_ptr m_lastException;
+ bool m_isRunning = false;
+};
+
+} // namespace tests
+} // namespace nfd
+
+#endif // NFD_TESTS_DAEMON_LIMITED_IO_HPP