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Diffstat (limited to 'test/test_msgnet_tls.cpp')
| -rw-r--r-- | test/test_msgnet_tls.cpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/test/test_msgnet_tls.cpp b/test/test_msgnet_tls.cpp new file mode 100644 index 0000000..9c82234 --- /dev/null +++ b/test/test_msgnet_tls.cpp @@ -0,0 +1,182 @@ +/** + * Copyright (c) 2018 Cornell University. + * + * Author: Ted Yin <[email protected]> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <cstdio> +#include <string> +#include <functional> + +#include "salticidae/msg.h" +#include "salticidae/event.h" +#include "salticidae/network.h" +#include "salticidae/stream.h" + +using salticidae::NetAddr; +using salticidae::DataStream; +using salticidae::MsgNetwork; +using salticidae::htole; +using salticidae::letoh; +using std::placeholders::_1; +using std::placeholders::_2; + +/** Hello Message. */ +struct MsgHello { + static const uint8_t opcode = 0x0; + DataStream serialized; + std::string name; + std::string text; + /** Defines how to serialize the msg. */ + MsgHello(const std::string &name, + const std::string &text) { + serialized << htole((uint32_t)name.length()); + serialized << name << text; + } + /** Defines how to parse the msg. */ + MsgHello(DataStream &&s) { + uint32_t len; + s >> len; + len = letoh(len); + name = std::string((const char *)s.get_data_inplace(len), len); + len = s.size(); + text = std::string((const char *)s.get_data_inplace(len), len); + } +}; + +/** Acknowledgement Message. */ +struct MsgAck { + static const uint8_t opcode = 0x1; + DataStream serialized; + MsgAck() {} + MsgAck(DataStream &&s) {} +}; + +const uint8_t MsgHello::opcode; +const uint8_t MsgAck::opcode; + +using MsgNetworkByteOp = MsgNetwork<uint8_t>; + +struct MyNet: public MsgNetworkByteOp { + const std::string name; + const salticidae::uint256_t peer_footprint; + const NetAddr peer; + + MyNet(const salticidae::EventContext &ec, + const std::string &name, + const std::string &peer_footprint_hex, + const NetAddr &peer): + MsgNetwork<uint8_t>(ec, MsgNetwork::Config( + ConnPool::Config() + .enable_tls(true) + .tls_cert_file(name + ".pem") + .tls_key_file(name + ".pem") + )), + name(name), + peer_footprint(salticidae::from_hex(peer_footprint_hex)), + peer(peer) { + /* message handler could be a bound method */ + reg_handler( + salticidae::generic_bind(&MyNet::on_receive_hello, this, _1, _2)); + + reg_conn_handler([this](const ConnPool::conn_t &conn, bool connected) { + bool res = true; + if (connected) + { + auto cert_der = salticidae::get_hash(conn->get_peer_cert()->get_der()); + res = peer_footprint == cert_der; + if (conn->get_mode() == ConnPool::Conn::ACTIVE) + { + 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" + "The peer certificate footprint is %s (%s).\n", + this->name.c_str(), salticidae::get_hex(cert_der).c_str(), + res ? "ok" : "fail"); + } + } + else + { + printf("[%s] Disconnected, retrying.\n", this->name.c_str()); + /* try to reconnect to the same address */ + connect(conn->get_addr(), false); + } + return res; + }); + } + + 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()); + /* 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()); +} + +int main() { + salticidae::EventContext ec; + NetAddr alice_addr("127.0.0.1:12345"); + NetAddr bob_addr("127.0.0.1:12346"); + + /* test two nodes in the same main loop */ + MyNet alice(ec, "alice", "ed5a9a8c7429dcb235a88244bc69d43d16b35008ce49736b27aaa3042a674043", bob_addr); + MyNet bob(ec, "bob", "ef3bea4e72f4d0e85da7643545312e2ff6dded5e176560bdffb1e53b1cef4896", alice_addr); + + /* message handler could be a normal function */ + alice.reg_handler(on_receive_ack); + bob.reg_handler(on_receive_ack); + + /* start all threads */ + alice.start(); + bob.start(); + + /* accept incoming connections */ + alice.listen(alice_addr); + bob.listen(bob_addr); + + /* try to connect once */ + alice.connect(bob_addr); + bob.connect(alice_addr); + + /* the main loop can be shutdown by ctrl-c or kill */ + auto shutdown = [&](int) {ec.stop();}; + salticidae::SigEvent ev_sigint(ec, shutdown); + salticidae::SigEvent ev_sigterm(ec, shutdown); + ev_sigint.add(SIGINT); + ev_sigterm.add(SIGTERM); + + /* enter the main loop */ + ec.dispatch(); + return 0; +} |