void
enableDhtLogging(dht::DhtRunner& dht)
{
dht.setLoggers(
[](char const* m, va_list args){ dout << "ERR"; printDhtLog(dout, m, args); },
[](char const* m, va_list args){ dout << "WARN"; printDhtLog(dout, m, args); },
[](char const* m, va_list args){ printDhtLog(dout, m, args); }
);
}
void
enableFileLogging(dht::DhtRunner &dht, const std::string &path) {
auto logfile = std::make_shared<std::fstream>();
logfile->open(path, std::ios::out);
dht.setLoggers(
[=](char const *m, va_list args) { printLog(*logfile, m, args); },
[=](char const *m, va_list args) { printLog(*logfile, m, args); },
[=](char const *m, va_list args) { printLog(*logfile, m, args); }
);
}
void
enableLogging(dht::DhtRunner &dht) {
dht.setLoggers(
[](char const *m, va_list args) {
std::cerr << red;
printLog(std::cerr, m, args);
std::cerr << def;
},
[](char const *m, va_list args) {
std::cout << yellow;
printLog(std::cout, m, args);
std::cout << def;
},
[](char const *m, va_list args) { printLog(std::cout, m, args); }
);
}
size_t listen(dht::DhtRunner& node, std::string chain, map_type& map)
{
std::future<size_t> token = node.listen(chain,
[&map](const std::vector<std::shared_ptr<dht::Value>>& values)
{
// For every value found...
for (const auto& value : values)
{
// Unpack then register and display it, if it's a new value.
std::string content = value->unpack<std::string>();
if(!map.count(content))
{
map.insert(std::make_pair(content, get_timestamp()));
disp(content);
}
}
// Continue lookup until no values are left.
return true;
});
if(token.wait_for(std::chrono::seconds(1)) != std::future_status::ready)
{
verbose("Warning: Could not create a listener since 1000ms.");
verbose(" Trying again for 30s...");
if(token.wait_for(std::chrono::seconds(30))
!= std::future_status::ready)
verbose("Error: Failure.");
else
verbose(" Done.");
}
auto v = token.get();
verbose("Starting listening to "
+ chain
+ " with token "
+ std::to_string(v) + ".");
return v;
}
void
disableLogging(dht::DhtRunner &dht) {
dht.setLoggers(dht::NOLOG, dht::NOLOG, dht::NOLOG);
}
void build_in_dht()
{
#ifdef DHT
static bool running = false;
static mutex mut;
static dht::DhtRunner ht;
static int port = 4443;
if (!running)
{
running = true;
int port = 4443;
dout << "firing up DHT on port " << port << endl;
// Launch a dht node on a new thread, using a
// generated RSA key pair, and listen on port 4222.
ht.run(port, dht::crypto::generateIdentity(), true);
// Join the network through any running node,
// here using a known bootstrap node.
ht.bootstrap("127.0.0.1", "4444");
// put some data on the dht
std::vector<uint8_t> some_data(5, 10);
ht.put("unique_key", some_data);
// put some data on the dht, signed with our generated private key
ht.putSigned("unique_key_42", some_data);
}
auto ht_ = &ht;
EEE;
string bu = "http://idni.org/dht#put";
auto bui = dict.set(mkiri(pstr(bu)));
builtins[bui].push_back(
[bu, entry, ht_](Thing *dummy, Thing *x) mutable {
setproc(bu);
TRACE_ENTRY;
dout <<"sssss" << endl;
switch(entry){
case 0:
x = getValue(x);
if(is_node(*x))
{
node n = dict[get_node(*x)];
string v = *n.value;
string key,val;
if (n._type == node::IRI)
{
if (has(mykb->first, v))
{
key = "root_graph_" + v;
stringstream ss;
ss << mykb->first[v];
val = ss.str();
}
else
{
string h = strhash(v);
key = "root_iri_" + h;
val = v;
}
}
else if (n._type == node::LITERAL)
{
string h = strhash(v);
key = "root_lit_" + h;
val = v;
}
else
{
dout << "nope." << endl;
DONE;
}
dout << "putting " << key << "=" << val << endl;
ht_->put(key, val);
}
else
dout << "nope." << endl;
END;
}
});
bu = "http://idni.org/dht#dbg";
bui = dict.set(mkiri(pstr(bu)));
builtins[bui].push_back(
[bu, entry, ht_](Thing *dummy, Thing *x) mutable {
setproc(bu);
TRACE_ENTRY;
switch(entry){
case 0:
x = getValue(x);
if(is_node(*x))
{
node n = dict[get_node(*x)];
string v = *n.value;
if (v == "on")
{
MSG("dht dbg on");
enableDhtLogging(*ht_);
}
else{
MSG("dht dbg off");
ht_->setLoggers(dht::NOLOG, dht::NOLOG, dht::NOLOG);
}
}
END;
}
});
bu = "http://idni.org/dht#setPort";
bui = dict.set(mkiri(pstr(bu)));
builtins[bui].push_back(
[bu, entry, ht_](Thing *dummy, Thing *x) mutable {
setproc(bu);
TRACE_ENTRY;
switch(entry){
case 0:
x = getValue(x);
if(is_node(*x))
{
node n = dict[get_node(*x)];
string v = *n.value;
if (v == "on")
{
MSG("dht dbg on");
enableDhtLogging(*ht_);
}
else{
MSG("dht dbg off");
ht_->setLoggers(dht::NOLOG, dht::NOLOG, dht::NOLOG);
}
}
END;
}
});
// get data from the dht
ht_->get("other_unique_key", [](const std::vector<std::shared_ptr<dht::Value>>& values) {
// Callback called when values are found
for (const auto& value : values)
dout << "Found value: " << *value << std::endl;
return true; // return false to stop the search
});
#endif
}