src/lib/testutils/Makefile
src/lib/testutils/dhcp_test_lib.sh
src/lib/testutils/testdata/Makefile
+ src/lib/stats/Makefile
+ src/lib/stats/tests/Makefile
src/lib/util/Makefile
src/lib/util/io/Makefile
src/lib/util/python/Makefile
# The following build order must be maintained.
-SUBDIRS = exceptions util log hooks cryptolink dns cc config \
- asiolink asiodns testutils dhcp dhcp_ddns \
- dhcpsrv
+SUBDIRS = exceptions util log hooks cryptolink dns cc stats config \
+ asiolink asiodns testutils dhcp dhcp_ddns dhcpsrv
--- /dev/null
+SUBDIRS = . tests
+
+AM_CPPFLAGS = -I$(top_srcdir)/src/lib -I$(top_builddir)/src/lib
+AM_CXXFLAGS=$(KEA_CXXFLAGS)
+
+lib_LTLIBRARIES = libkea-stats.la
+libkea_stats_la_SOURCES = observation.h observation.cc
+libkea_stats_la_SOURCES += context.h context.cc
+libkea_stats_la_SOURCES += stats_mgr.h stats_mgr.cc
+
+libkea_stats_la_LIBADD = $(top_builddir)/src/lib/cc/libkea-cc.la
+
+libkea_stats_la_LIBADD += -lboost_date_time
+
+libkea_stats_includedir = $(includedir)/$(PACKAGE_NAME)/stats
+libkea_stats_include_HEADERS = stats_mgr.h
--- /dev/null
+
+
+#ifndef CONTEXT_H
+#define CONTEXT_H
+
+#include <stats/observation.h>
+#include <boost/shared_ptr.hpp>
+
+namespace isc {
+namespace stats {
+
+class StatContext {
+ public:
+ std::map<std::string, ObservationPtr> stats;
+};
+
+ typedef boost::shared_ptr<StatContext> StatContextPtr;
+
+};
+};
+
+#endif // CONTEXT_H
--- /dev/null
+
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include <stats/observation.h>
+#include <cc/data.h>
+#include <utility>
+
+using namespace std;
+using namespace isc::data;
+using namespace boost::posix_time;
+
+namespace isc {
+namespace stats {
+
+Observation::Observation(uint64_t value)
+ :type_(STAT_INTEGER), max_samples_(1) {
+ setValue(value);
+}
+
+Observation::Observation(double value)
+ :type_(STAT_FLOAT), max_samples_(1) {
+ setValue(value);
+}
+
+Observation::Observation(StatsDuration value)
+ :type_(STAT_DURATION), max_samples_(1) {
+ setValue(value);
+}
+
+Observation::Observation(const std::string& value)
+ :type_(STAT_STRING), max_samples_(1) {
+ setValue(value);
+}
+
+void Observation::addValue(uint64_t value) {
+ IntegerSample current = getInteger();
+ setValue(current.first + value);
+}
+
+void Observation::addValue(double value) {
+ FloatSample current = getFloat();
+ setValue(current.first + value);
+}
+
+void Observation::addValue(StatsDuration value) {
+ DurationSample current = getDuration();
+ setValue(current.first + value);
+}
+
+void Observation::addValue(const std::string& value) {
+ StringSample current = getString();
+ setValue(current.first + value);
+}
+
+void Observation::setValue(uint64_t value) {
+ setValueInternal(value, integer_samples_, STAT_INTEGER);
+}
+
+void Observation::setValue(double value) {
+ setValueInternal(value, float_samples_, STAT_FLOAT);
+}
+
+void Observation::setValue(StatsDuration value) {
+ setValueInternal(value, duration_samples_, STAT_DURATION);
+}
+
+void Observation::setValue(const std::string& value) {
+ setValueInternal(value, string_samples_, STAT_STRING);
+}
+
+template<typename SampleType, typename StorageType>
+void Observation::setValueInternal(SampleType value, StorageType& storage,
+ Type exp_type) {
+ if (type_ != exp_type) {
+ isc_throw(InvalidStatType, "Invalid statistic type requested: "
+ << typeToText(exp_type) << ", but the actual type is "
+ << typeToText(type_) );
+ }
+
+ if (storage.empty()) {
+ storage.push_back(make_pair(value, microsec_clock::local_time()));
+ } else {
+
+ /// @todo: Update once more than one sample is supported
+ *storage.begin() = make_pair(value, microsec_clock::local_time());
+ }
+}
+
+IntegerSample Observation::getInteger() {
+ return (getValueInternal<IntegerSample>(integer_samples_, STAT_INTEGER));
+}
+
+FloatSample Observation::getFloat() {
+ return (getValueInternal<FloatSample>(float_samples_, STAT_FLOAT));
+}
+
+DurationSample Observation::getDuration() {
+ return (getValueInternal<DurationSample>(duration_samples_, STAT_DURATION));
+}
+
+StringSample Observation::getString() {
+ return (getValueInternal<StringSample>(string_samples_, STAT_STRING));
+}
+
+template<typename SampleType, typename Storage>
+SampleType Observation::getValueInternal(Storage& storage, Type exp_type) {
+ if (type_ != exp_type) {
+ isc_throw(InvalidStatType, "Invalid statistic type requested: "
+ << typeToText(exp_type) << ", but the actual type is "
+ << typeToText(type_) );
+ }
+
+ if (storage.empty()) {
+ // That should never happen. The first element is always initialized in
+ // the constructor. reset() sets its value to zero, but the element should
+ // still be there.
+ isc_throw(Unexpected, "Observation storage container empty");
+ }
+ return (*storage.begin());
+}
+
+std::string Observation::typeToText(Type type) {
+ std::stringstream tmp;
+ switch (type) {
+ case STAT_INTEGER:
+ tmp << "integer";
+ break;
+ case STAT_FLOAT:
+ tmp << "float";
+ break;
+ case STAT_DURATION:
+ tmp << "duration";
+ break;
+ case STAT_STRING:
+ tmp << "string";
+ break;
+ default:
+ tmp << "unknown";
+ break;
+ }
+ tmp << "(" << type << ")";
+ return (tmp.str());
+}
+
+std::string
+Observation::ptimeToText(ptime t) {
+
+ // The alternative would be to call to_simple_string(ptime), but unfortunately
+ // that requires linking with boost libraries.
+
+ return (to_simple_string(t));
+}
+
+std::string
+Observation::durationToText(StatsDuration dur) {
+ return (to_simple_string(dur));
+}
+
+isc::data::ConstElementPtr
+Observation::getJSON() {
+
+ ElementPtr list = isc::data::Element::createList();
+ ElementPtr value;
+ ElementPtr timestamp;
+
+ switch (type_) {
+ case STAT_INTEGER: {
+ IntegerSample s = getInteger();
+ value = isc::data::Element::create(static_cast<int64_t>(s.first));
+ timestamp = isc::data::Element::create(ptimeToText(s.second));
+ break;
+ }
+ case STAT_FLOAT: {
+ FloatSample s = getFloat();
+ value = isc::data::Element::create(s.first);
+ timestamp = isc::data::Element::create(ptimeToText(s.second));
+ break;
+ }
+ case STAT_DURATION: {
+ DurationSample s = getDuration();
+ value = isc::data::Element::create(durationToText(s.first));
+ timestamp = isc::data::Element::create(ptimeToText(s.second));
+ break;
+ }
+ case STAT_STRING: {
+ StringSample s = getString();
+ value = isc::data::Element::create(s.first);
+ timestamp = isc::data::Element::create(ptimeToText(s.second));
+ break;
+ }
+ default:
+ isc_throw(InvalidStatType, "Unknown stat type: " << typeToText(type_));
+ };
+
+ list->add(value);
+ list->add(timestamp);
+
+ return (list);
+}
+
+void Observation::reset() {
+ switch(type_) {
+ case STAT_INTEGER: {
+ setValue(static_cast<uint64_t>(0));
+ return;
+ }
+ case STAT_FLOAT: {
+ setValue(0.0);
+ return;
+ }
+ case STAT_DURATION: {
+ setValue(time_duration(0,0,0,0));
+ return;
+ }
+ case STAT_STRING: {
+ setValue(string(""));
+ return;
+ }
+ default:
+ isc_throw(InvalidStatType, "Unknown stat type: " << typeToText(type_));
+ };
+}
+
+};
+};
--- /dev/null
+// Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#ifndef OBSERVATION_H
+#define OBSERVATION_H
+
+#include <boost/shared_ptr.hpp>
+#include <exceptions/exceptions.h>
+#include <cc/data.h>
+#include <boost/date_time/time_duration.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include <list>
+
+namespace isc {
+namespace stats {
+
+/// @brief Exception thrown if invalid statistic type is used
+///
+/// For example statistic is of type duration, but methods using
+/// it as integer are called.
+class InvalidStatType : public Exception {
+public:
+ InvalidStatType(const char* file, size_t line, const char* what) :
+ isc::Exception(file, line, what) {}
+};
+
+/// @brief Defines duration resolution
+///
+/// Boost offers a base boost::posix_time::time_duration class, that has specific
+/// implementations: boost::posix_time::{hours,minutes,seconds,millisec,nanosec}.
+/// For statistics purposes, the most appropriate choice seems to be milliseconds
+/// precision, so we'll stick with that.
+typedef boost::posix_time::millisec::time_duration StatsDuration;
+
+/// @defgroup stat_samples Specifies supported observation types.
+///
+/// @brief The list covers all supported types of observations.
+///
+/// @{
+
+/// @brief Integer (implemented as unsigned 64-bit integer)
+typedef std::pair<uint64_t, boost::posix_time::ptime> IntegerSample;
+
+/// @brief Float (implemented as double precision)
+typedef std::pair<double, boost::posix_time::ptime> FloatSample;
+
+/// @brief Time Duration
+typedef std::pair<StatsDuration, boost::posix_time::ptime> DurationSample;
+
+/// @brief String
+typedef std::pair<std::string, boost::posix_time::ptime> StringSample;
+
+/// @}
+
+/// @brief Represents a single observable characteristic (a 'statistic')
+///
+/// Currently it supports one of four types: integer (implemented as unsigned 64
+/// bit integer), float (implemented as double), time duration (implemented with
+/// millisecond precision) and string. Absolute (setValue) and
+/// incremental (addValue) modes are supported. Statistic type is determined
+/// during its first use. Once type is set, any additional observations recorded
+/// must be of the same type. Attempting to set or extract information about
+/// other types will result in InvalidStateType exception.
+///
+/// Observation can be retrieved in one of @ref getInteger, @ref getFloat,
+/// @ref getDuration, @ref getString (appropriate type must be used) or
+/// @ref getJSON, which is generic and can be used for all types.
+///
+/// @todo: Eventually it will be possible to retain multiple samples for the same
+/// observation, but that is outside of scope for 0.9.2.
+class Observation {
+ public:
+
+ /// @brief type of available statistics
+ ///
+ /// Note that those will later be exposed using control socket. Therefore
+ /// an easy to understand names were chosen (integer instead of uint64).
+ /// To avoid confusion, we will support only one type of integer and only
+ /// one type of floating points. Initially, these are represented by
+ /// uint64_t and double. If convincing use cases appear to change them
+ /// to something else, we may change the underlying type.
+ enum Type {
+ STAT_INTEGER, ///< this statistic is unsinged 64-bit integer value
+ STAT_FLOAT, ///< this statistic is a floating point value
+ STAT_DURATION,///< this statistic represents time duration
+ STAT_STRING ///< this statistic represents a string
+ };
+
+ /// @brief Constructor for integer observations
+ ///
+ /// @param value integer value observed.
+ Observation(uint64_t value);
+
+ /// @brief Constructor for floating point observations
+ ///
+ /// @param value floating point value observed.
+ Observation(double value);
+
+ /// @brief Constructor for duration observations
+ ///
+ /// @param value duration observed.
+ Observation(StatsDuration value);
+
+ /// @brief Constructor for string observations
+ ///
+ /// @param value string observed.
+ Observation(const std::string& value);
+
+ /// @brief Records absolute integer observation
+ ///
+ /// @param value integer value observed
+ /// @throw InvalidStatType if statistic is not integer
+ void setValue(uint64_t value);
+
+ /// @brief Records absolute floating point observation
+ ///
+ /// @param value floating point value observed
+ /// @throw InvalidStatType if statistic is not fp
+ void setValue(double value);
+
+ /// @brief Records absolute duration observation
+ ///
+ /// @param value duration value observed
+ /// @throw InvalidStatType if statistic is not time duration
+ void setValue(StatsDuration duration);
+
+ /// @brief Records absolute string observation
+ ///
+ /// @param value string value observed
+ /// @throw InvalidStatType if statistic is not a string
+ void setValue(const std::string& value = "");
+
+ /// @brief Records incremental integer observation
+ ///
+ /// @param value integer value observed
+ /// @throw InvalidStatType if statistic is not integer
+ void addValue(uint64_t value = 1);
+
+ /// @brief Records inremental floating point observation
+ ///
+ /// @param value floating point value observed
+ /// @throw InvalidStatType if statistic is not fp
+ void addValue(double value = 1.0f);
+
+ /// @brief Records incremental duration observation
+ ///
+ /// @param value duration value observed
+ /// @throw InvalidStatType if statistic is not time duration
+ void addValue(StatsDuration value = StatsDuration(0,0,0,0));
+
+ /// @brief Records incremental string observation.
+ ///
+ /// @param value string value observed
+ /// @throw InvalidStatType if statistic is not a string
+ void addValue(const std::string& value = "");
+
+ /// @brief Resets statistic.
+ ///
+ /// Sets statistic to a neutral (0, 0.0 or "") value.
+ void reset();
+
+ /// @brief Returns statistic type
+ /// @return statistic type
+ Type getType() const {
+ return (type_);
+ }
+
+ /// @brief Returns observed integer sample
+ /// @return observed sample (value + timestamp)
+ IntegerSample getInteger();
+
+ /// @brief Returns observed float sample
+ /// @return observed sample (value + timestamp)
+ FloatSample getFloat();
+
+ /// @brief Returns observed duration sample
+ /// @return observed sample (value + timestamp)
+ DurationSample getDuration();
+
+ /// @brief Returns observed string sample
+ /// @return observed sample (value + timestamp)
+ StringSample getString();
+
+ const std::list<IntegerSample>& getIntegerList() {
+ return (integer_samples_);
+ }
+
+ const std::list<FloatSample>& getFloatList() {
+ return (float_samples_);
+ }
+
+ const std::list<DurationSample>& getDurationList() {
+ return (duration_samples_);
+ }
+
+ const std::list<StringSample>& getStringList() {
+ return (string_samples_);
+ }
+
+ /// Returns as a JSON structure
+ isc::data::ConstElementPtr getJSON();
+
+ static std::string typeToText(Type type);
+
+ static std::string ptimeToText(boost::posix_time::ptime time);
+
+ static std::string durationToText(StatsDuration dur);
+
+ protected:
+ template<typename SampleType, typename StorageType>
+ void setValueInternal(SampleType value, StorageType& storage,
+ Type exp_type);
+
+ template<typename SampleType, typename Storage>
+ SampleType getValueInternal(Storage& storage, Type exp_type);
+
+ std::string name_;
+ Type type_;
+
+ size_t max_samples_;
+
+ std::list<IntegerSample> integer_samples_;
+ std::list<FloatSample> float_samples_;
+ std::list<DurationSample> duration_samples_;
+ std::list<StringSample> string_samples_;
+};
+
+ typedef boost::shared_ptr<Observation> ObservationPtr;
+
+};
+};
+
+#endif // OBSERVATION_H
--- /dev/null
+// Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#ifndef STATSMGR_H
+#define STATSMGR_H
+
+#include <stats/observation.h>
+#include <stats/context.h>
+#include <boost/noncopyable.hpp>
+
+#include <map>
+#include <string>
+#include <vector>
+
+namespace isc {
+namespace stats {
+
+class StatsMgr : public boost::noncopyable {
+ public:
+
+ static StatsMgr& instance();
+
+ // methods used data producers
+ void addValue(const std::string& name, uint64_t value = 1);
+ void addValue(const std::string& name, double value = 1.0f);
+ void addValue(const std::string& name, StatsDuration time);
+ void setValue(const std::string& name, uint64_t value = 1);
+ void setValue(const std::string& name, double value = 1.0f);
+ void setValue(const std::string& name, StatsDuration time);
+
+ // resets statistic
+ // this is a convenience function and is equivalent to
+ // setValue(0) or setValue(0.0f)
+ void reset(const std::string& name);
+
+ /// @brief determines whether a given statistic is kept as a single value
+ /// or as a number of values
+ ///
+ /// Specifies that statistic name should be stored not as a single value,
+ /// but rather as a set of values. duration determines the timespan.
+ /// Samples older than duration will be discarded. This is time-constrained
+ /// approach. For sample count constrained approach, see setStorage() below.
+ ///
+ /// Example: to set a statistic to keep observations for the last 5 minutes,
+ /// call setStorage("incoming-packets", time_duration(0,5,0,0));
+ /// to revert statistic to a single value, call:
+ /// setStorage("incoming-packets" time_duration(0,0,0,0))
+ void setStorage(const std::string& name,
+ boost::posix_time::time_duration duration);
+
+ /// @brief determines how many samples of a given statistic should be kept.
+ ///
+ /// Specifies that statistic name should be stored not as single value, but
+ /// rather as a set of values. In this form, at most max_samples will be kept.
+ /// When adding max_samples+1 sample, the oldest sample will be discarded.
+ ///
+ /// Example:
+ /// To set a statistic to keep the last 100 observations, call:
+ /// setStorage("incoming-packets", 100);
+ void setStorage(const std::string& name, uint32_t max_samples);
+
+ // methods used by data consumers
+ const ObservationPtr& getValue(const std::string& name);
+
+ // returns all statistics
+ const std::map<std::string, ObservationPtr> getValues();
+
+ private:
+ /// @brief returns a context for specified name
+ StatContextPtr getContext(const std::string& name);
+
+ // This is a global context. All stats will initially be stored here.
+ StatContextPtr global_;
+
+ std::map<std::string, StatContextPtr> contexts_;
+};
+
+};
+};
+
+#endif // STATS_MGR
--- /dev/null
+SUBDIRS = .
+
+AM_CPPFLAGS = -I$(top_builddir)/src/lib -I$(top_srcdir)/src/lib
+AM_CPPFLAGS += $(BOOST_INCLUDES)
+
+AM_CXXFLAGS = $(KEA_CXXFLAGS)
+
+if USE_STATIC_LINK
+AM_LDFLAGS = -static
+endif
+
+if HAVE_GTEST
+
+TESTS = libstats_unittests
+
+libstats_unittests_SOURCES = run_unittests.cc
+libstats_unittests_SOURCES += observation_unittest.cc
+libstats_unittests_SOURCES += context_unittest.cc
+libstats_unittests_SOURCES += stats_mgr_unittest.cc
+
+libstats_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES)
+libstats_unittests_LDFLAGS = $(AM_LDFLAGS) $(GTEST_LDFLAGS)
+libstats_unittests_CXXFLAGS = $(AM_CXXFLAGS)
+
+libstats_unittests_LDADD = $(top_builddir)/src/lib/stats/libkea-stats.la
+libstats_unittests_LDADD += $(top_builddir)/src/lib/cc/libkea-cc.la
+libstats_unittests_LDADD += $(top_builddir)/src/lib/log/libkea-log.la
+libstats_unittests_LDADD += $(top_builddir)/src/lib/exceptions/libkea-exceptions.la
+libstats_unittests_LDADD += -lboost_date_time
+libstats_unittests_LDADD += $(GTEST_LDADD)
+
+endif
+
+noinst_PROGRAMS = $(TESTS)
--- /dev/null
+// Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <config.h>
+
+#include <stats/observation.h>
+#include <exceptions/exceptions.h>
+
+#include <boost/shared_ptr.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include <gtest/gtest.h>
+
+#include <iostream>
+#include <sstream>
+
+#include <unistd.h>
+
+using namespace isc;
+using namespace isc::stats;
+using namespace boost::posix_time;
+
+namespace {
+
+class ObservationTest : public ::testing::Test {
+public:
+ ObservationTest()
+ :a(static_cast<uint64_t>(1234)), // integer
+ b(12.34), // float
+ c(millisec::time_duration(1,2,3,4)), // duration
+ d("1234") { // string
+ }
+
+ Observation a;
+ Observation b;
+ Observation c;
+ Observation d;
+};
+
+// Basic tests for V4 functionality. This test checks whether parameters
+// passed to constructor initialize the object properly.
+TEST_F(ObservationTest, constructor) {
+
+ EXPECT_EQ(Observation::STAT_INTEGER, a.getType());
+ EXPECT_EQ(Observation::STAT_FLOAT, b.getType());
+ EXPECT_EQ(Observation::STAT_DURATION, c.getType());
+ EXPECT_EQ(Observation::STAT_STRING, d.getType());
+
+ EXPECT_EQ(1234, a.getInteger().first);
+ EXPECT_EQ(12.34, b.getFloat().first);
+ EXPECT_EQ(millisec::time_duration(1,2,3,4),
+ c.getDuration().first);
+ EXPECT_EQ("1234", d.getString().first);
+
+ // Let's check that attempting to get a different type
+ // than used will cause an exception.
+ EXPECT_THROW(a.getFloat(), InvalidStatType);
+ EXPECT_THROW(a.getDuration(), InvalidStatType);
+ EXPECT_THROW(a.getString(), InvalidStatType);
+
+ EXPECT_THROW(b.getInteger(), InvalidStatType);
+ EXPECT_THROW(b.getDuration(), InvalidStatType);
+ EXPECT_THROW(b.getString(), InvalidStatType);
+
+ EXPECT_THROW(c.getInteger(), InvalidStatType);
+ EXPECT_THROW(c.getFloat(), InvalidStatType);
+ EXPECT_THROW(c.getString(), InvalidStatType);
+
+ EXPECT_THROW(d.getInteger(), InvalidStatType);
+ EXPECT_THROW(d.getFloat(), InvalidStatType);
+ EXPECT_THROW(d.getDuration(), InvalidStatType);
+}
+
+// This test checks whether it is possible to set to an absolute value for all
+// given types.
+TEST_F(ObservationTest, setValue) {
+
+ EXPECT_NO_THROW(a.setValue(static_cast<uint64_t>(5678)));
+ EXPECT_NO_THROW(b.setValue(56e+78));
+ EXPECT_NO_THROW(c.setValue(millisec::time_duration(5,6,7,8)));
+ EXPECT_NO_THROW(d.setValue("fiveSixSevenEight"));
+
+
+ EXPECT_EQ(5678, a.getInteger().first);
+ EXPECT_EQ(56e+78, b.getFloat().first);
+ EXPECT_EQ(millisec::time_duration(5,6,7,8),
+ c.getDuration().first);
+ EXPECT_EQ("fiveSixSevenEight", d.getString().first);
+
+ // Now check whether setting value to a different type does
+ // throw an exception
+ EXPECT_THROW(a.setValue(56e+78), InvalidStatType);
+ EXPECT_THROW(a.setValue(millisec::time_duration(5,6,7,8)), InvalidStatType);
+ EXPECT_THROW(a.setValue("fiveSixSevenEight"), InvalidStatType);
+
+ EXPECT_THROW(b.setValue(static_cast<uint64_t>(5678)), InvalidStatType);
+ EXPECT_THROW(b.setValue(millisec::time_duration(5,6,7,8)), InvalidStatType);
+ EXPECT_THROW(b.setValue("fiveSixSevenEight"), InvalidStatType);
+
+ EXPECT_THROW(c.setValue(static_cast<uint64_t>(5678)), InvalidStatType);
+ EXPECT_THROW(c.setValue(56e+78), InvalidStatType);
+ EXPECT_THROW(c.setValue("fiveSixSevenEight"), InvalidStatType);
+
+ EXPECT_THROW(d.setValue(static_cast<uint64_t>(5678)), InvalidStatType);
+ EXPECT_THROW(d.setValue(56e+78), InvalidStatType);
+ EXPECT_THROW(d.setValue(millisec::time_duration(5,6,7,8)), InvalidStatType);
+}
+
+// This test checks whether it is possible to add value to existing
+// counter.
+TEST_F(ObservationTest, addValue) {
+
+ // Note: all Observations were set to 1234,12.34 or similar in
+ // ObservationTest constructor.
+
+ EXPECT_NO_THROW(a.addValue(static_cast<uint64_t>(5678)));
+ EXPECT_NO_THROW(b.addValue(56.78));
+ EXPECT_NO_THROW(c.addValue(millisec::time_duration(5,6,7,8)));
+ EXPECT_NO_THROW(d.addValue("fiveSixSevenEight"));
+
+ EXPECT_EQ(6912, a.getInteger().first);
+ EXPECT_EQ(69.12, b.getFloat().first);
+
+ EXPECT_EQ(millisec::time_duration(6,8,10,12), c.getDuration().first);
+ EXPECT_EQ("1234fiveSixSevenEight", d.getString().first);
+}
+
+// Observation will be extended to cover multiple samples of the same
+// property. That is not implemented for now, so regardless of the
+// number of recorded observation, always the last one is kept.
+TEST_F(ObservationTest, getLists) {
+
+ // Let's record some data!
+ for (int i = 0; i <= 42; ++i) {
+
+ a.setValue(static_cast<uint64_t>(i));
+ b.setValue(0.25*i);
+ c.setValue(millisec::time_duration(0,0,i,0));
+
+ std::stringstream tmp;
+ tmp << i;
+ d.setValue(tmp.str());
+ }
+
+ // Get the lists.
+ std::list<IntegerSample> int_list = a.getIntegerList();
+ std::list<FloatSample> float_list = b.getFloatList();
+ std::list<DurationSample> dur_list = c.getDurationList();
+ std::list<StringSample> str_list = d.getStringList();
+
+ // Check that they have only one observation.
+ ASSERT_EQ(1, int_list.size());
+ ASSERT_EQ(1, float_list.size());
+ ASSERT_EQ(1, dur_list.size());
+ ASSERT_EQ(1, str_list.size());
+
+ // Now check that that the recorded value is correct.
+ EXPECT_EQ(42, int_list.begin()->first);
+ EXPECT_EQ(10.5, float_list.begin()->first);
+ EXPECT_EQ(millisec::time_duration(0,0,42,0), dur_list.begin()->first);
+ EXPECT_EQ("42", str_list.begin()->first);
+}
+
+// Test checks whether timing is reported properly.
+TEST_F(ObservationTest, timers) {
+ ptime min = microsec_clock::local_time();
+ b.setValue(123.0); // set it to a random value
+
+ // Allow a bit of inprecision. This test allows 5ms. That's ok, when running
+ // on virtual machines.
+ ptime max = min + millisec::time_duration(0,0,0,5);
+
+ // Now wait some time. We want to confirm that the timestamp recorded is the
+ // time the observation took place, not current time.
+ sleep(1);
+
+ FloatSample sample = b.getFloat();
+
+ // Let's check that the timestamp is within (min,max) range.
+ EXPECT_TRUE(min <= sample.second);
+ EXPECT_TRUE(sample.second <= max);
+}
+
+// Checks whether an integer statistic can generate proper JSON structures.
+// See http://kea.isc.org/wiki/StatsDesign for details.
+TEST_F(ObservationTest, integerToJSON) {
+
+ a.setValue(static_cast<uint64_t>(1234));
+
+ std::string exp = "[ 1234, \""
+ + Observation::ptimeToText(a.getInteger().second) + "\" ]";
+
+ std::cout << a.getJSON()->str() << std::endl;
+ EXPECT_EQ(exp, a.getJSON()->str());
+}
+
+// Checks whether a floating point statistic can generate proper JSON
+// structures. See http://kea.isc.org/wiki/StatsDesign for details.
+TEST_F(ObservationTest, floatToJSON) {
+
+ // Let's use a value that converts easily to floating point.
+ // No need to deal with infinite fractions in binary systems.
+ b.setValue(1234.5);
+
+ std::string exp = "[ 1234.5, \""
+ + Observation::ptimeToText(b.getFloat().second) + "\" ]";
+
+ std::cout << b.getJSON()->str() << std::endl;
+ EXPECT_EQ(exp, b.getJSON()->str());
+}
+
+// Checks whether a time duration statistic can generate proper JSON structures.
+// See http://kea.isc.org/wiki/StatsDesign for details.
+TEST_F(ObservationTest, durationToJSON) {
+
+ // 1 hour 2 minutes 3 seconds and 4 milliseconds
+ c.setValue(time_duration(1,2,3,4));
+
+ std::string exp = "[ \"01:02:03.000004\", \""
+ + Observation::ptimeToText(c.getDuration().second) + "\" ]";
+
+ std::cout << c.getJSON()->str() << std::endl;
+ EXPECT_EQ(exp, c.getJSON()->str());
+}
+
+// Checks whether a string statistic can generate proper JSON structures.
+// See http://kea.isc.org/wiki/StatsDesign for details.
+TEST_F(ObservationTest, stringToJSON) {
+
+ //
+ d.setValue("Lorem ipsum dolor sit amet");
+
+ std::string exp = "[ \"Lorem ipsum dolor sit amet\", \""
+ + Observation::ptimeToText(d.getString().second) + "\" ]";
+
+ std::cout << d.getJSON()->str() << std::endl;
+ EXPECT_EQ(exp, d.getJSON()->str());
+}
+
+// Checks whether reset() resets the statistics properly.
+TEST_F(ObservationTest, reset) {
+ a.reset(); // integer
+ b.reset(); // float
+ c.reset(); // duration
+ d.reset(); // string
+
+ EXPECT_EQ(0, a.getInteger().first);
+ EXPECT_EQ(0.0, b.getFloat().first);
+ EXPECT_EQ(time_duration(0,0,0,0), c.getDuration().first);
+ EXPECT_EQ("", d.getString().first);
+}
+
+};
--- /dev/null
+// Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <gtest/gtest.h>
+
+int
+main(int argc, char* argv[]) {
+ ::testing::InitGoogleTest(&argc, argv);
+
+ int result = RUN_ALL_TESTS();
+
+ return (result);
+}
--- /dev/null
+// Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <config.h>
+
+#include <stats/stats_mgr.h>
+#include <exceptions/exceptions.h>
+
+#include <boost/shared_ptr.hpp>
+#include <gtest/gtest.h>
+
+#include <iostream>
+#include <sstream>
+
+using namespace isc;
+using namespace isc::stats;
+
+namespace {
+
+class StatsMgrTest : public ::testing::Test {
+public:
+ StatsMgrTest() {
+ }
+};
+
+// Basic tests for V4 functionality
+TEST_F(StatsMgrTest, basic) {
+
+ // EXPECT_NO_THROW(StatsMgr::instance());
+}
+
+};
projects / thirdparty / kea.git / commitdiff
