2010-09-26 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>

Sort usedHosts by least used and faster download speed.
	* src/Makefile.am
	* src/RequestGroupMan.cc
	* src/Triplet.h
	* test/Makefile.am
	* test/TripletTest.cc
pull/1/head
Tatsuhiro Tsujikawa 2010-09-26 05:47:12 +00:00
parent ac7d8dc483
commit aabd7b75f9
8 changed files with 267 additions and 16 deletions

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@ -1,3 +1,12 @@
2010-09-26 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>
Sort usedHosts by least used and faster download speed.
* src/Makefile.am
* src/RequestGroupMan.cc
* src/Triplet.h
* test/Makefile.am
* test/TripletTest.cc
2010-09-23 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>
Made small optimization.

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@ -210,7 +210,8 @@ SRCS = Socket.h\
SinkStreamFilter.cc SinkStreamFilter.h\
ChunkedDecodingStreamFilter.cc ChunkedDecodingStreamFilter.h\
NullSinkStreamFilter.cc NullSinkStreamFilter.h\
uri.cc uri.h
uri.cc uri.h\
Triplet.h
if ENABLE_XML_RPC
SRCS += XmlRpcRequestParserController.cc XmlRpcRequestParserController.h\

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@ -447,7 +447,7 @@ am__libaria2c_a_SOURCES_DIST = Socket.h SocketCore.cc SocketCore.h \
StreamFilter.h SinkStreamFilter.cc SinkStreamFilter.h \
ChunkedDecodingStreamFilter.cc ChunkedDecodingStreamFilter.h \
NullSinkStreamFilter.cc NullSinkStreamFilter.h uri.cc uri.h \
XmlRpcRequestParserController.cc \
Triplet.h XmlRpcRequestParserController.cc \
XmlRpcRequestParserController.h \
XmlRpcRequestParserStateMachine.cc \
XmlRpcRequestParserStateMachine.h XmlRpcRequestParserState.h \
@ -1241,7 +1241,7 @@ SRCS = Socket.h SocketCore.cc SocketCore.h BinaryStream.h Command.cc \
StreamFilter.h SinkStreamFilter.cc SinkStreamFilter.h \
ChunkedDecodingStreamFilter.cc ChunkedDecodingStreamFilter.h \
NullSinkStreamFilter.cc NullSinkStreamFilter.h uri.cc uri.h \
$(am__append_1) $(am__append_2) $(am__append_3) \
Triplet.h $(am__append_1) $(am__append_2) $(am__append_3) \
$(am__append_4) $(am__append_5) $(am__append_6) \
$(am__append_7) $(am__append_8) $(am__append_9) \
$(am__append_10) $(am__append_11) $(am__append_12) \

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@ -72,6 +72,7 @@
#include "Segment.h"
#include "DlAbortEx.h"
#include "uri.h"
#include "Triplet.h"
namespace aria2 {
@ -898,6 +899,11 @@ bool RequestGroupMan::doesOverallUploadSpeedExceed()
void RequestGroupMan::getUsedHosts
(std::vector<std::pair<size_t, std::string> >& usedHosts)
{
// vector of triplet which consists of use count, -download speed,
// hostname. We want to sort by least used and faster download
// speed. We use -download speed so that we can sort them using
// operator<().
std::vector<Triplet<size_t, int, std::string> > tempHosts;
for(std::deque<SharedHandle<RequestGroup> >::const_iterator i =
requestGroups_.begin(), eoi = requestGroups_.end(); i != eoi; ++i) {
const std::deque<SharedHandle<Request> >& inFlightReqs =
@ -906,22 +912,27 @@ void RequestGroupMan::getUsedHosts
inFlightReqs.begin(), eoj = inFlightReqs.end(); j != eoj; ++j) {
uri::UriStruct us;
if(uri::parse(us, (*j)->getUri())) {
std::vector<std::pair<size_t, std::string> >::iterator k;
std::vector<std::pair<size_t, std::string> >::iterator eok =
usedHosts.end();
for(k = usedHosts.begin(); k != eok; ++k) {
if((*k).second == us.host) {
std::vector<Triplet<size_t, int, std::string> >::iterator k;
std::vector<Triplet<size_t, int, std::string> >::iterator eok =
tempHosts.end();
for(k = tempHosts.begin(); k != eok; ++k) {
if((*k).third == us.host) {
++(*k).first;
break;
}
}
if(k == eok) {
usedHosts.push_back(std::make_pair(1, us.host));
SharedHandle<ServerStat> ss = findServerStat(us.host, us.protocol);
int invDlSpeed = !ss.isNull() && ss->isOK()?
-(static_cast<int>(ss->getDownloadSpeed())):0;
tempHosts.push_back(makeTriplet(1, invDlSpeed, us.host));
}
}
}
}
std::sort(usedHosts.begin(), usedHosts.end());
std::sort(tempHosts.begin(), tempHosts.end());
std::transform(tempHosts.begin(), tempHosts.end(),
std::back_inserter(usedHosts), Triplet2Pair<1, 3>());
}
} // namespace aria2

151
src/Triplet.h Normal file
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@ -0,0 +1,151 @@
/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2010 Tatsuhiro Tsujikawa
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_TRIPLET_H
#define D_TRIPLET_H
#include <utility>
namespace aria2 {
template<typename T1, typename T2, typename T3>
struct Triplet {
typedef T1 first_type;
typedef T2 second_type;
typedef T3 third_type;
T1 first;
T2 second;
T3 third;
Triplet() {}
Triplet(const T1& t1, const T2& t2, const T3& t3):
first(t1), second(t2), third(t3) {}
template<typename U1, typename U2, typename U3>
Triplet(const Triplet<U1, U2, U3>& t):
first(t.first), second(t.second), third(t.third) {}
Triplet& operator=(const Triplet& tri)
{
if(this != &tri) {
first = tri.first;
second = tri.second;
third = tri.third;
}
return *this;
}
};
template<typename T1, typename T2, typename T3>
bool operator<(const Triplet<T1, T2, T3>& lhs, const Triplet<T1, T2, T3>& rhs)
{
return lhs.first < rhs.first ||
(!(rhs.first < lhs.first) && (lhs.second < rhs.second ||
(!(rhs.second < lhs.second) &&
lhs.third < rhs.third)));
}
template<typename T1, typename T2, typename T3>
Triplet<T1, T2, T3> makeTriplet(const T1& t1, const T2& t2, const T3& t3)
{
return Triplet<T1, T2, T3>(t1, t2, t3);
}
template<typename T1, typename T2, typename T3, size_t N>
struct TripletNthType;
template<typename T1, typename T2, typename T3>
struct TripletNthType<T1, T2, T3, 1> {
typedef T1 type;
};
template<typename T1, typename T2, typename T3>
struct TripletNthType<T1, T2, T3, 2> {
typedef T2 type;
};
template<typename T1, typename T2, typename T3>
struct TripletNthType<T1, T2, T3, 3> {
typedef T3 type;
};
template<size_t N>
struct TripletGet;
template<>
struct TripletGet<1> {
template<typename T1, typename T2, typename T3>
static T1 get(const Triplet<T1, T2, T3>& tri)
{
return tri.first;
}
};
template<>
struct TripletGet<2> {
template<typename T1, typename T2, typename T3>
static T2 get(const Triplet<T1, T2, T3>& tri)
{
return tri.second;
}
};
template<>
struct TripletGet<3> {
template<typename T1, typename T2, typename T3>
static T3 get(const Triplet<T1, T2, T3>& tri)
{
return tri.third;
}
};
template<size_t N1, size_t N2>
class Triplet2Pair {
public:
template<typename T1, typename T2, typename T3>
std::pair<typename TripletNthType<T1, T2, T3, N1>::type,
typename TripletNthType<T1, T2, T3, N2>::type>
operator()(const Triplet<T1, T2, T3>& tri) const
{
return std::make_pair<typename TripletNthType<T1, T2, T3, N1>::type,
typename TripletNthType<T1, T2, T3, N2>::type>
(TripletGet<N1>::get(tri), TripletGet<N2>::get(tri));
}
};
} // namespace aria2
#endif // D_TRIPLET_H

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@ -74,7 +74,8 @@ aria2c_SOURCES = AllTest.cc\
ValueBaseTest.cc\
ChunkedDecodingStreamFilterTest.cc\
UriTest.cc\
MockSegment.h
MockSegment.h\
TripletTest.cc
if ENABLE_XML_RPC
aria2c_SOURCES += XmlRpcRequestParserControllerTest.cc\

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@ -215,7 +215,7 @@ am__aria2c_SOURCES_DIST = AllTest.cc TestUtil.cc TestUtil.h \
bitfieldTest.cc DownloadContextTest.cc \
SessionSerializerTest.cc ValueBaseTest.cc \
ChunkedDecodingStreamFilterTest.cc UriTest.cc MockSegment.h \
XmlRpcRequestParserControllerTest.cc \
TripletTest.cc XmlRpcRequestParserControllerTest.cc \
XmlRpcRequestProcessorTest.cc XmlRpcMethodTest.cc \
FallocFileAllocationIteratorTest.cc GZipDecoderTest.cc \
GZipEncoderTest.cc GZipDecodingStreamFilterTest.cc \
@ -409,9 +409,9 @@ am_aria2c_OBJECTS = AllTest.$(OBJEXT) TestUtil.$(OBJEXT) \
DownloadContextTest.$(OBJEXT) SessionSerializerTest.$(OBJEXT) \
ValueBaseTest.$(OBJEXT) \
ChunkedDecodingStreamFilterTest.$(OBJEXT) UriTest.$(OBJEXT) \
$(am__objects_1) $(am__objects_2) $(am__objects_3) \
$(am__objects_4) $(am__objects_5) $(am__objects_6) \
$(am__objects_7)
TripletTest.$(OBJEXT) $(am__objects_1) $(am__objects_2) \
$(am__objects_3) $(am__objects_4) $(am__objects_5) \
$(am__objects_6) $(am__objects_7)
aria2c_OBJECTS = $(am_aria2c_OBJECTS)
am__DEPENDENCIES_1 =
aria2c_DEPENDENCIES = ../src/libaria2c.a $(am__DEPENDENCIES_1)
@ -646,7 +646,7 @@ aria2c_SOURCES = AllTest.cc TestUtil.cc TestUtil.h SocketCoreTest.cc \
bitfieldTest.cc DownloadContextTest.cc \
SessionSerializerTest.cc ValueBaseTest.cc \
ChunkedDecodingStreamFilterTest.cc UriTest.cc MockSegment.h \
$(am__append_1) $(am__append_2) $(am__append_3) \
TripletTest.cc $(am__append_1) $(am__append_2) $(am__append_3) \
$(am__append_4) $(am__append_5) $(am__append_6) \
$(am__append_7)
@ -892,6 +892,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/TestUtil.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/TimeSeedCriteriaTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/TimeTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/TripletTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/UTMetadataDataExtensionMessageTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/UTMetadataPostDownloadHandlerTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/UTMetadataRejectExtensionMessageTest.Po@am__quote@

77
test/TripletTest.cc Normal file
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@ -0,0 +1,77 @@
#include "Triplet.h"
#include <cppunit/extensions/HelperMacros.h>
namespace aria2 {
class TripletTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(TripletTest);
CPPUNIT_TEST(testLess);
CPPUNIT_TEST(testTripletGet);
CPPUNIT_TEST(testTripletNthType);
CPPUNIT_TEST(testTriplet2Pair);
CPPUNIT_TEST_SUITE_END();
public:
void setUp() {}
void tearDown() {}
void testLess();
void testTripletGet();
void testTripletNthType();
void testTriplet2Pair();
};
CPPUNIT_TEST_SUITE_REGISTRATION(TripletTest);
void TripletTest::testLess()
{
Triplet<int, int, int> tri1(0, 1, 1);
Triplet<int, int, int> tri2(1, 0, 0);
CPPUNIT_ASSERT(!(tri1 < tri1));
CPPUNIT_ASSERT(tri1 < tri2);
CPPUNIT_ASSERT(!(tri2 < tri1));
Triplet<int, int, int> tri3(0, 0, 1);
Triplet<int, int, int> tri4(0, 1, 0);
CPPUNIT_ASSERT(tri3 < tri4);
CPPUNIT_ASSERT(!(tri4 < tri3));
Triplet<int, int, int> tri5(0, 0, 0);
Triplet<int, int, int> tri6(0, 0, 1);
CPPUNIT_ASSERT(tri5 < tri6);
CPPUNIT_ASSERT(!(tri6 < tri5));
}
void TripletTest::testTripletGet()
{
Triplet<int, double, std::string> x(1, 3.14, "foo");
CPPUNIT_ASSERT_EQUAL(1, (TripletGet<1>::get(x)));
CPPUNIT_ASSERT_EQUAL((double)3.14, (TripletGet<2>::get(x)));
CPPUNIT_ASSERT_EQUAL(std::string("foo"), (TripletGet<3>::get(x)));
}
void TripletTest::testTripletNthType()
{
TripletNthType<int, double, std::string, 1>::type x = 1;
CPPUNIT_ASSERT_EQUAL(1, x);
TripletNthType<int, double, std::string, 2>::type y = 3.14;
CPPUNIT_ASSERT_EQUAL((double)3.14, y);
TripletNthType<int, double, std::string, 3>::type z = "foo";
CPPUNIT_ASSERT_EQUAL(std::string("foo"), z);
}
void TripletTest::testTriplet2Pair()
{
Triplet<int, double, std::string> x(1, 3.14, "foo");
std::pair<int, double> p1 = Triplet2Pair<1, 2>()(x);
CPPUNIT_ASSERT_EQUAL(1, p1.first);
CPPUNIT_ASSERT_EQUAL((double)3.14, p1.second);
std::pair<double, std::string> p2 = Triplet2Pair<2, 3>()(x);
CPPUNIT_ASSERT_EQUAL((double)3.14, p2.first);
CPPUNIT_ASSERT_EQUAL(std::string("foo"), p2.second);
}
} // namespace aria2