diff options
Diffstat (limited to 'README.rst')
| -rw-r--r-- | README.rst | 58 |
1 files changed, 43 insertions, 15 deletions
@@ -63,11 +63,41 @@ Dependencies - CMake >= 3.9 - C++14 - libuv -- libcrypto +- openssl >= 1.1.0 -Example (MsgNetwork layer) --------------------------- +Minimal working P2P network +--------------------------- +.. code-block:: cpp + + #include <memory> + #include "salticidae/event.h" + #include "salticidae/network.h" + + using Net = salticidae::PeerNetwork<uint8_t>; + + int main() { /* exampmle of 4 peer nodes pinging each other */ + std::vector<std::pair<salticidae::NetAddr, std::unique_ptr<Net>>> nodes; + Net::Config config; + salticidae::EventContext ec; + config.ping_period(2); + nodes.resize(4); + for (size_t i = 0; i < nodes.size(); i++) + { + salticidae::NetAddr addr("127.0.0.1:" + std::to_string(10000 + i)); + auto &net = (nodes[i] = std::make_pair(addr, std::make_unique<Net>(ec, config))).second; + net->start(); + net->listen(addr); + } + for (size_t i = 0; i < nodes.size(); i++) + for (size_t j = 0; j < nodes.size(); j++) + if (i != j) + nodes[i].second->add_peer(nodes[j].first); + ec.dispatch(); + return 0; + } +Using MsgNetwork class +---------------------- .. code-block:: cpp #include <cstdio> @@ -142,35 +172,33 @@ Example (MsgNetwork layer) { if (conn->get_mode() == ConnPool::Conn::ACTIVE) { - printf("[%s] Connected, sending hello.\n", + printf("[%s] connected, sending hello.\n", this->name.c_str()); /* send the first message through this connection */ send_msg(MsgHello(this->name, "Hello there!"), salticidae::static_pointer_cast<Conn>(conn)); } else - printf("[%s] Accepted, waiting for greetings.\n", + printf("[%s] accepted, waiting for greetings.\n", this->name.c_str()); } else { - printf("[%s] Disconnected, retrying.\n", this->name.c_str()); + printf("[%s] disconnected, retrying.\n", this->name.c_str()); /* try to reconnect to the same address */ - connect(conn->get_addr()); + connect(conn->get_addr(), false); } + return true; }); } void on_receive_hello(MsgHello &&msg, const MyNet::conn_t &conn) { - printf("[%s] %s says %s\n", - name.c_str(), - msg.name.c_str(), msg.text.c_str()); + printf("[%s] %s says %s\n", name.c_str(), msg.name.c_str(), msg.text.c_str()); /* send acknowledgement */ send_msg(MsgAck(), conn); } }; - void on_receive_ack(MsgAck &&msg, const MyNet::conn_t &conn) { auto net = static_cast<MyNet *>(conn->get_net()); printf("[%s] the peer knows\n", net->name.c_str()); @@ -182,8 +210,8 @@ Example (MsgNetwork layer) NetAddr bob_addr("127.0.0.1:12346"); /* test two nodes in the same main loop */ - MyNet alice(ec, "Alice", bob_addr); - MyNet bob(ec, "Bob", alice_addr); + MyNet alice(ec, "alice", bob_addr); + MyNet bob(ec, "bob", alice_addr); /* message handler could be a normal function */ alice.reg_handler(on_receive_ack); @@ -198,8 +226,8 @@ Example (MsgNetwork layer) bob.listen(bob_addr); /* try to connect once */ - alice.connect(bob_addr); - bob.connect(alice_addr); + alice.connect(bob_addr, false); + bob.connect(alice_addr, false); /* the main loop can be shutdown by ctrl-c or kill */ auto shutdown = [&](int) {ec.stop();}; |