OpenDHT

#include <opendht.h>
#include <vector>

int main()
{
    dht::DhtRunner node;

    // Launch a dht node on a new thread, using a
    // generated RSA key pair, and listen on port 4222.
    node.run(4222, dht::crypto::generateIdentity(), true);

    // Join the network through any running node,
    // here using a known bootstrap node.
    node.bootstrap("bootstrap.ring.cx", "4222");

    // put some data on the dht
    std::vector<uint8_t> some_data(5, 10);
    node.put("unique_key", some_data);

    // put some data on the dht, signed with our generated private key
    node.putSigned("unique_key_42", some_data);

    // get data from the dht
    node.get("other_unique_key", [](const std::vector<std::shared_ptr<dht::Value>>& values) {
        // Callback called when values are found
        for (const auto& value : values)
            std::cout << "Found value: " << *value << std::endl;
        return true; // return false to stop the search
    });

    // here we could wait for some operations to complete
    // instead of ending now.

    // wait for dht threads to end
    node.join();
    return 0;
}

import opendht as dht

r = dht.DhtRunner()
r.run()

# Join the network through any running node,
# here using a known bootstrap node.
r.bootstrap("bootstrap.ring.cx", "4222")

r.put(dht.InfoHash.get("unique_key"), dht.Value(b'some binary data'))

# blocking call (provide a get_cb and an optional done_cb argument to make the call non-blocking)
results = r.get(dht.InfoHash.get("unique_key"))
for r in results:
    print(r)

# clone the repo
git clone https://github.com/savoirfairelinux/opendht.git

# build and install
cd opendht
./autogen.sh && ./configure
make
sudo make install

# clone the repo
git clone https://github.com/savoirfairelinux/opendht.git

# build and install
cd opendht
mkdir build && cd build
cmake -DOPENDHT_PYTHON=ON ..
make -j
sudo make install

g++ main.cpp -std=c++11 -lopendht -lgnutls