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optimize disk I/O elevator algorithm to spend less time picking job

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This commit is contained in:
Arvid Norberg
2010-01-12 01:56:48 +00:00
parent c76ebe23c7
commit a1299c3a10
6 changed files with 174 additions and 163 deletions
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1
examples/Jamfile
View File

@@ -22,4 +22,5 @@ exe simple_client : simple_client.cpp ;
exe dump_torrent : dump_torrent.cpp ;
exe make_torrent : make_torrent.cpp ;
exe enum_if : enum_if.cpp ;
exe connection_tester : connection_tester.cpp ;

33
examples/client_test.cpp
View File

@@ -499,6 +499,17 @@ void print_peer_info(std::string& out, std::vector<libtorrent::peer_info> const&
typedef std::multimap<std::string, libtorrent::torrent_handle> handles_t;
int listen_port = 6881;
float preferred_ratio = 0.f;
std::string allocation_mode = "sparse";
std::string save_path(".");
int torrent_upload_limit = 0;
int torrent_download_limit = 0;
std::string monitor_dir;
std::string bind_to_interface = "";
int poll_interval = 5;
int max_connections_per_torrent = 50;
using boost::bind;
// monitored_dir is true if this torrent is added because
@@ -548,7 +559,7 @@ void add_torrent(libtorrent::session& ses
handles.insert(std::pair<const std::string, torrent_handle>(
monitored_dir?std::string(torrent):std::string(), h));
h.set_max_connections(50);
h.set_max_connections(max_connections_per_torrent);
h.set_max_uploads(-1);
h.set_ratio(preferred_ratio);
h.set_upload_limit(torrent_upload_limit);
@@ -675,7 +686,7 @@ void handle_alert(libtorrent::session& ses, libtorrent::alert* a
if (torrent_finished_alert* p = alert_cast<torrent_finished_alert>(a))
{
p->handle.set_max_connections(30);
p->handle.set_max_connections(max_connections_per_torrent / 2);
// write resume data for the finished torrent
// the alert handler for save_resume_data_alert
@@ -736,6 +747,7 @@ int main(int argc, char* argv[])
" -t <seconds> sets the scan interval of the monitor dir\n"
" -x <file> loads an emule IP-filter file\n"
" -c <limit> sets the max number of connections\n"
" -T <limit> sets the max number of connections per torrent\n"
#if TORRENT_USE_I2P
" -i <i2p-host> the hostname to an I2P SAM bridge to use\n"
#endif
@@ -743,6 +755,7 @@ int main(int argc, char* argv[])
" -F <seconds> sets the UI refresh rate. This is the number of\n"
" seconds between screen refreshes.\n"
" -n announce to trackers in all tiers\n"
" -h allow multiple connections from the same IP\n"
"\n\n"
"TORRENT is a path to a .torrent file\n"
"MAGNETURL is a magnet: url\n")
@@ -812,16 +825,6 @@ int main(int argc, char* argv[])
ses.load_country_db("GeoIP.dat");
#endif
int listen_port = 6881;
float preferred_ratio = 0.f;
std::string allocation_mode = "sparse";
std::string save_path(".");
int torrent_upload_limit = 0;
int torrent_download_limit = 0;
std::string monitor_dir;
std::string bind_to_interface = "";
int poll_interval = 5;
// load the torrents given on the commandline
for (int i = 1; i < argc; ++i)
@@ -848,7 +851,7 @@ int main(int argc, char* argv[])
handles.insert(std::pair<const std::string, torrent_handle>(std::string(), h));
h.set_max_connections(50);
h.set_max_connections(max_connections_per_torrent);
h.set_max_uploads(-1);
h.set_ratio(preferred_ratio);
h.set_upload_limit(torrent_upload_limit);
@@ -883,7 +886,7 @@ int main(int argc, char* argv[])
handles.insert(std::pair<const std::string, torrent_handle>(std::string(), h));
h.set_max_connections(50);
h.set_max_connections(max_connections_per_torrent);
h.set_max_uploads(-1);
h.set_ratio(preferred_ratio);
h.set_upload_limit(torrent_upload_limit);
@@ -905,6 +908,7 @@ int main(int argc, char* argv[])
{
case 'f': g_log_file = fopen(arg, "w+"); break;
case 'o': ses.set_max_half_open_connections(atoi(arg)); break;
case 'h': settings.allow_multiple_connections_per_ip = true; --i; break;
case 'p': listen_port = atoi(arg); break;
case 'r':
preferred_ratio = atoi(arg);
@@ -954,6 +958,7 @@ int main(int argc, char* argv[])
}
break;
case 'c': ses.set_max_connections(atoi(arg)); break;
case 'T': max_connections_per_torrent = atoi(arg); break;
#if TORRENT_USE_I2P
case 'i':
{