--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2007,2008 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <qa_timeouts.h>
+#include <cppunit/TestAssert.h>
+#include <mblock/mblock.h>
+#include <mblock/runtime.h>
+#include <mblock/protocol_class.h>
+#include <mblock/message.h>
+#include <mblock/msg_accepter.h>
+#include <mblock/class_registry.h>
+#include <mb_timer_queue.h>
+#include <string.h>
+#include <iostream>
+
+
+static pmt_t s_timeout = pmt_intern("%timeout");
+static pmt_t s_done = pmt_intern("done");
+
+
+// ------------------------------------------------------------------------
+// Exercise the priority queue used to implement timeouts.
+// ------------------------------------------------------------------------
+void
+qa_timeouts::test_timer_queue()
+{
+ mb_timer_queue tq;
+ mb_msg_accepter_sptr accepter;
+
+ mb_timeout_sptr t1000_000 =
+ mb_timeout_sptr(new mb_timeout(mb_time(1000,0), PMT_F, accepter));
+
+ mb_timeout_sptr t2000_000 =
+ mb_timeout_sptr(new mb_timeout(mb_time(2000,0), PMT_F, accepter));
+
+ mb_timeout_sptr t3000_000 =
+ mb_timeout_sptr(new mb_timeout(mb_time(3000,0), PMT_F, accepter));
+
+ mb_timeout_sptr t3000_125 =
+ mb_timeout_sptr(new mb_timeout(mb_time(3000,125), PMT_F, accepter));
+
+ mb_timeout_sptr t3000_250 =
+ mb_timeout_sptr(new mb_timeout(mb_time(3000,250), PMT_F, accepter));
+
+ mb_timeout_sptr t4000_000 =
+ mb_timeout_sptr(new mb_timeout(mb_time(4000,0), PMT_F, accepter));
+
+ // insert in pseudo-random order
+
+ tq.push(t3000_125);
+ tq.push(t1000_000);
+ tq.push(t4000_000);
+ tq.push(t3000_250);
+ tq.push(t2000_000);
+ tq.push(t3000_000);
+
+ CPPUNIT_ASSERT_EQUAL(t1000_000, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT_EQUAL(t2000_000, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT_EQUAL(t3000_000, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT_EQUAL(t3000_125, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT_EQUAL(t3000_250, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT_EQUAL(t4000_000, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT(tq.empty());
+
+ // insert in pseudo-random order
+
+ tq.push(t3000_000);
+ tq.push(t4000_000);
+ tq.push(t3000_125);
+ tq.push(t1000_000);
+ tq.push(t2000_000);
+ tq.push(t3000_250);
+
+ tq.cancel(t1000_000->handle());
+
+ CPPUNIT_ASSERT_EQUAL(t2000_000, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT_EQUAL(t3000_000, tq.top());
+ tq.pop();
+
+ tq.cancel(t3000_250->handle());
+
+ CPPUNIT_ASSERT_EQUAL(t3000_125, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT_EQUAL(t4000_000, tq.top());
+ tq.pop();
+
+ CPPUNIT_ASSERT(tq.empty());
+}
+
+// ------------------------------------------------------------------------
+// Test one-shot timeouts
+// ------------------------------------------------------------------------
+
+// FWIW, on SuSE 10.1 for x86-64, clock_getres returns 0.004 seconds.
+
+// #define TIMING_MARGIN 0.010 // seconds // was failing on some systems
+#define TIMING_MARGIN 0.025 // seconds (really sloppy; consider enabling RT scheduler)
+
+
+class qa_timeouts_1_top : public mb_mblock
+{
+ int d_nleft;
+ int d_nerrors;
+ mb_time d_t0;
+
+public:
+ qa_timeouts_1_top(mb_runtime *runtime,
+ const std::string &instance_name, pmt_t user_arg);
+
+ void initial_transition();
+ void handle_message(mb_message_sptr msg);
+};
+
+qa_timeouts_1_top::qa_timeouts_1_top(mb_runtime *runtime,
+ const std::string &instance_name,
+ pmt_t user_arg)
+ : mb_mblock(runtime, instance_name, user_arg),
+ d_nleft(0), d_nerrors(0)
+{
+}
+
+void
+qa_timeouts_1_top::initial_transition()
+{
+ d_t0 = mb_time::time(); // now
+
+ schedule_one_shot_timeout(d_t0 + 0.200, pmt_from_double(0.200));
+ schedule_one_shot_timeout(d_t0 + 0.125, pmt_from_double(0.125));
+ schedule_one_shot_timeout(d_t0 + 0.075, pmt_from_double(0.075));
+ schedule_one_shot_timeout(d_t0 + 0.175, pmt_from_double(0.175));
+
+ d_nleft = 4;
+}
+
+void
+qa_timeouts_1_top::handle_message(mb_message_sptr msg)
+{
+ if (pmt_eq(msg->signal(), s_timeout)){
+ mb_time t_now = mb_time::time();
+ double expected_delta_t = pmt_to_double(msg->data());
+ double actual_delta_t = (t_now - d_t0).double_time();
+ double delta = expected_delta_t - actual_delta_t;
+
+ if (fabs(delta) > TIMING_MARGIN){
+ std::cerr << "qa_timeouts_1_top: expected_delta_t = " << expected_delta_t
+ << " actual_delta_t = " << actual_delta_t << std::endl;
+ d_nerrors++;
+ }
+
+ if (--d_nleft <= 0)
+ shutdown_all(d_nerrors == 0 ? PMT_T : PMT_F);
+ }
+}
+
+REGISTER_MBLOCK_CLASS(qa_timeouts_1_top);
+
+void
+qa_timeouts::test_timeouts_1()
+{
+ mb_runtime_sptr rt = mb_make_runtime();
+ pmt_t result = PMT_NIL;
+
+ rt->run("top", "qa_timeouts_1_top", PMT_F, &result);
+
+ CPPUNIT_ASSERT(pmt_equal(PMT_T, result));
+}
+
+// ------------------------------------------------------------------------
+// Test periodic timeouts
+// ------------------------------------------------------------------------
+
+class qa_timeouts_2_top : public mb_mblock
+{
+ int d_nhandled;
+ int d_nerrors;
+ double d_delta_t;
+ mb_time d_t0;
+
+public:
+ qa_timeouts_2_top(mb_runtime *runtime,
+ const std::string &instance_name, pmt_t user_arg);
+
+ void initial_transition();
+ void handle_message(mb_message_sptr msg);
+};
+
+qa_timeouts_2_top::qa_timeouts_2_top(mb_runtime *runtime,
+ const std::string &instance_name,
+ pmt_t user_arg)
+ : mb_mblock(runtime, instance_name, user_arg),
+ d_nhandled(0), d_nerrors(0), d_delta_t(0.075)
+{
+}
+
+void
+qa_timeouts_2_top::initial_transition()
+{
+ d_t0 = mb_time::time(); // now
+
+ schedule_periodic_timeout(d_t0 + d_delta_t, mb_time(d_delta_t), PMT_T);
+}
+
+void
+qa_timeouts_2_top::handle_message(mb_message_sptr msg)
+{
+ static const int NMSGS_TO_HANDLE = 5;
+
+ if (pmt_eq(msg->signal(), s_timeout)
+ && !pmt_eq(msg->data(), s_done)){
+
+ mb_time t_now = mb_time::time();
+
+ d_nhandled++;
+
+ double expected_delta_t = d_delta_t * d_nhandled;
+ double actual_delta_t = (t_now - d_t0).double_time();
+ double delta = expected_delta_t - actual_delta_t;
+
+ if (fabs(delta) > TIMING_MARGIN){
+ std::cerr << "qa_timeouts_2_top: expected_delta_t = " << expected_delta_t
+ << " actual_delta_t = " << actual_delta_t << std::endl;
+ d_nerrors++;
+ }
+
+ if (d_nhandled == NMSGS_TO_HANDLE){
+ cancel_timeout(msg->metadata()); // test cancel_timeout...
+ schedule_one_shot_timeout(d_t0 + (d_delta_t * (d_nhandled + 2)), s_done);
+ }
+ }
+
+ if (pmt_eq(msg->signal(), s_timeout)
+ && pmt_eq(msg->data(), s_done)){
+ if (d_nhandled != NMSGS_TO_HANDLE){
+ std::cerr << "qa_timeouts_2_top: d_nhandled = " << d_nhandled
+ << " expected d_nhandled = " << NMSGS_TO_HANDLE
+ << " (cancel_timeout didn't work)\n";
+ d_nerrors++;
+ }
+ shutdown_all(d_nerrors == 0 ? PMT_T : PMT_F);
+ }
+}
+
+REGISTER_MBLOCK_CLASS(qa_timeouts_2_top);
+
+void
+qa_timeouts::test_timeouts_2()
+{
+ mb_runtime_sptr rt = mb_make_runtime();
+ pmt_t result = PMT_NIL;
+
+ rt->run("top", "qa_timeouts_2_top", PMT_F, &result);
+
+ CPPUNIT_ASSERT(pmt_equal(PMT_T, result));
+}
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