/**
* Copyright (c) 2018 Cornell University.
*
* Author: Ted Yin <tederminant@gmail.com>
*
* 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 <cstdint>
#include <string>
#include <functional>
#include <unordered_map>
#include "salticidae/msg.h"
#include "salticidae/event.h"
#include "salticidae/network.h"
#include "salticidae/stream.h"
using salticidae::NetAddr;
using salticidae::DataStream;
using salticidae::PeerNetwork;
using salticidae::htole;
using salticidae::letoh;
using salticidae::EventContext;
using salticidae::ThreadCall;
using std::placeholders::_1;
using std::placeholders::_2;
struct Net {
uint64_t id;
EventContext ec;
ThreadCall tc;
std::thread th;
PeerNetwork<uint8_t> *net;
const std::string listen_addr;
Net(uint64_t id, uint16_t port): id(id), tc(ec), listen_addr("127.0.0.1:"+ std::to_string(port)) {
net = new salticidae::PeerNetwork<uint8_t>(
ec,
salticidae::PeerNetwork<uint8_t>::Config().conn_timeout(5).ping_period(2));
net->reg_error_handler([this](const std::exception &err, bool fatal) {
fprintf(stdout, "net %lu: captured %s error during an async call: %s\n", this->id, fatal ? "fatal" : "recoverable", err.what());
});
th = std::thread([=](){
try {
net->start();
net->listen(NetAddr(listen_addr));
fprintf(stdout, "net %lu: listen to %s\n", id, listen_addr.c_str());
ec.dispatch();
} catch (std::exception &err) {
fprintf(stdout, "net %lu: got error during a sync call: %s\n", id, err.what());
}
fprintf(stdout, "net %lu: main loop ended\n", id);
});
}
void add_peer(const std::string &listen_addr) {
try {
net->add_peer(NetAddr(listen_addr));
} catch (std::exception &err) {
fprintf(stdout, "net %lu: got error during a sync call: %s\n", id, err.what());
}
}
void del_peer(const std::string &listen_addr) {
try {
net->del_peer(NetAddr(listen_addr));
} catch (std::exception &err) {
fprintf(stdout, "net %lu: got error during a sync call: %s\n", id, err.what());
}
}
void stop_join() {
tc.async_call([ec=this->ec](ThreadCall::Handle &) { ec.stop(); });
th.join();
}
~Net() { delete net; }
};
std::unordered_map<uint64_t, Net *> nets;
std::unordered_map<std::string, std::function<void(char *)> > cmd_map;
int read_int(char *buff) {
scanf("%64s", buff);
try {
int t = std::stoi(buff);
if (t < 0) throw std::invalid_argument("negative");
return t;
} catch (std::invalid_argument) {
fprintf(stdout, "expect a non-negative integer\n");
return -1;
}
}
int main(int argc, char **argv) {
int i;
fprintf(stdout, "p2p network library playground (type help for more info)\n");
fprintf(stdout, "========================================================\n"