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start torrent automatically for neighbor of tracker

miguelfreitas
Miguel Freitas 11 years ago
parent
commit
24fd6a6a8a
  1. 2
      libtorrent/src/torrent.cpp
  2. 82
      src/twister.cpp

2
libtorrent/src/torrent.cpp

@ -2245,7 +2245,7 @@ namespace libtorrent @@ -2245,7 +2245,7 @@ namespace libtorrent
#endif
boost::weak_ptr<torrent> self(shared_from_this());
m_ses.m_dht->announce(m_torrent_file->name(), m_torrent_file->info_hash()
m_ses.m_dht->announce(*m_name, m_torrent_file->info_hash()
, m_ses.external_address().external_address(address_v4()), port, is_seed(), true
, boost::bind(&torrent::on_dht_announce_response_disp, self, _1));
}

82
src/twister.cpp

@ -30,17 +30,19 @@ using namespace libtorrent; @@ -30,17 +30,19 @@ using namespace libtorrent;
static session *ses = NULL;
static CCriticalSection cs_dhtgetMap;
static map<uint256, alert_manager*> m_dhtgetMap;
static map<sha1_hash, alert_manager*> m_dhtgetMap;
static map<std::string, bool> m_specialResources;
uint256 dhtTargetHash(std::string const &username, std::string const &resource, std::string const &type)
sha1_hash dhtTargetHash(std::string const &username, std::string const &resource, std::string const &type)
{
CHashWriter ss(SER_GETHASH, 0);
ss << username;
ss << resource;
ss << type;
return ss.GetHash();
entry target;
target["n"] = username;
target["r"] = resource;
target["t"] = type;
std::vector<char> buf;
bencode(std::back_inserter(buf), target);
return hasher(buf.data(), buf.size()).final();
}
int load_file(std::string const& filename, std::vector<char>& v, libtorrent::error_code& ec, int limit = 8000000)
@ -171,12 +173,17 @@ void ThreadWaitExtIP() @@ -171,12 +173,17 @@ void ThreadWaitExtIP()
}
dht_settings dhts;
// settings to test local connections
dhts.restrict_routing_ips = false;
dhts.restrict_search_ips = false;
ses->set_dht_settings(dhts);
ses->start_dht();
//ses->set_settings(settings);
session_settings settings;
// settings to test local connections
settings.allow_multiple_connections_per_ip = true;
settings.enable_outgoing_utp = false; // test (netstat display)
ses->set_settings(settings);
printf("libtorrent + dht started\n");
}
@ -218,7 +225,7 @@ void ThreadMaintainDHTNodes() @@ -218,7 +225,7 @@ void ThreadMaintainDHTNodes()
void ThreadSessionAlerts()
{
static map<uint256, entry> neighborCheck;
static map<sha1_hash, entry> neighborCheck;
while(!ses) {
MilliSleep(200);
@ -251,10 +258,10 @@ void ThreadSessionAlerts() @@ -251,10 +258,10 @@ void ThreadSessionAlerts()
if( n && n->type() == entry::string_t &&
r && r->type() == entry::string_t &&
t && t->type() == entry::string_t) {
uint256 th = dhtTargetHash(n->string(), r->string(), t->string());
sha1_hash ih = dhtTargetHash(n->string(), r->string(), t->string());
LOCK(cs_dhtgetMap);
std::map<uint256, alert_manager*>::iterator mi = m_dhtgetMap.find(th);
std::map<sha1_hash, alert_manager*>::iterator mi = m_dhtgetMap.find(ih);
if( mi != m_dhtgetMap.end() ) {
alert_manager *am = (*mi).second;
am->post_alert(*rd);
@ -284,17 +291,25 @@ void ThreadSessionAlerts() @@ -284,17 +291,25 @@ void ThreadSessionAlerts()
// if this is a special resource then start another dhtget to make
// sure we are really its neighbor. don't do it needless.
if( m_specialResources.count(r->string()) ) {
// now we do our own search to make sure we are really close to this target
uint256 th = dhtTargetHash(n->string(), r->string(), t->string());
if( !neighborCheck.count(th) ) {
printf("possiblyNeighbor of [%s,%s,%s] - starting a new dhtget to be sure\n",
n->string().c_str(),
r->string().c_str(),
t->string().c_str());
neighborCheck[th] = gd->m_target;
ses->dht_getData(n->string(), r->string(), t->string() == "m");
// check if user exists
CTransaction txOut;
uint256 hashBlock;
uint256 userhash = SerializeHash(n->string());
if( !GetTransaction(userhash, txOut, hashBlock) ) {
printf("Special Resource but username is unknown - ignoring\n");
} else {
// now we do our own search to make sure we are really close to this target
sha1_hash ih = dhtTargetHash(n->string(), r->string(), t->string());
if( !neighborCheck.count(ih) ) {
printf("possiblyNeighbor of [%s,%s,%s] - starting a new dhtget to be sure\n",
n->string().c_str(),
r->string().c_str(),
t->string().c_str());
neighborCheck[ih] = gd->m_target;
ses->dht_getData(n->string(), r->string(), t->string() == "m");
}
}
}
}
@ -310,11 +325,11 @@ void ThreadSessionAlerts() @@ -310,11 +325,11 @@ void ThreadSessionAlerts()
dd->m_username.c_str(), dd->m_resource.c_str(), dd->m_multi ? "m" : "s",
dd->m_is_neighbor, dd->m_got_data);
uint256 th = dhtTargetHash(dd->m_username, dd->m_resource, dd->m_multi ? "m" : "s");
sha1_hash ih = dhtTargetHash(dd->m_username, dd->m_resource, dd->m_multi ? "m" : "s");
{
LOCK(cs_dhtgetMap);
std::map<uint256, alert_manager*>::iterator mi = m_dhtgetMap.find(th);
std::map<sha1_hash, alert_manager*>::iterator mi = m_dhtgetMap.find(ih);
if( mi != m_dhtgetMap.end() && !dd->m_got_data ) {
// post alert to return from wait_for_alert in dhtget()
alert_manager *am = (*mi).second;
@ -325,6 +340,17 @@ void ThreadSessionAlerts() @@ -325,6 +340,17 @@ void ThreadSessionAlerts()
if( dd->m_is_neighbor && m_specialResources.count(dd->m_resource) ) {
// Do something!
printf("Neighbor of special resource - do something!\n");
if( dd->m_resource == "tracker" ) {
torrent_handle hnd = ses->find_torrent(ih);
if( !hnd.is_valid() ) {
printf("adding torrent for [%s,tracker]\n", dd->m_username.c_str());
add_torrent_params tparams;
tparams.info_hash = ih;
tparams.name = dd->m_username;
tparams.save_path="/tmp/";
ses->async_add_torrent(tparams);
}
}
}
continue;
}
@ -567,11 +593,11 @@ Value dhtget(const Array& params, bool fHelp) @@ -567,11 +593,11 @@ Value dhtget(const Array& params, bool fHelp)
bool multi = (strMulti == "m");
alert_manager am(10, alert::dht_notification);
uint256 th = dhtTargetHash(strUsername,strResource,strMulti);
sha1_hash ih = dhtTargetHash(strUsername,strResource,strMulti);
{
LOCK(cs_dhtgetMap);
m_dhtgetMap[th] = &am;
m_dhtgetMap[ih] = &am;
}
ses->dht_getData(strUsername, strResource, multi);
@ -591,7 +617,7 @@ Value dhtget(const Array& params, bool fHelp) @@ -591,7 +617,7 @@ Value dhtget(const Array& params, bool fHelp)
{
LOCK(cs_dhtgetMap);
m_dhtgetMap.erase(th);
m_dhtgetMap.erase(ih);
}
return ret;

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