/**
* 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 <string>
#include <functional>
#include <thread>
#include <signal.h>
/* disable SHA256 checksum */
#define SALTICIDAE_NOCHECKSUM
#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 salticidae::bytearray_t;
using salticidae::TimerEvent;
using salticidae::ThreadCall;
using std::placeholders::_1;
using std::placeholders::_2;
using opcode_t = uint8_t;
struct MsgBytes {
static const opcode_t opcode = 0xa;
DataStream serialized;
bytearray_t bytes;
MsgBytes(size_t size) {
bytes.resize(size);
serialized << htole((uint32_t)size) << bytes;
}
MsgBytes(DataStream &&s) {
uint32_t len;
s >> len;
len = letoh(len);
auto base = s.get_data_inplace(len);
bytes = bytearray_t(base, base + len);
}
};
const opcode_t MsgBytes::opcode;
using MsgNetworkByteOp = MsgNetwork<opcode_t>;
struct MyNet: public MsgNetworkByteOp {
const std::string name;
TimerEvent ev_period_stat;
ThreadCall tcall;
size_t nrecv;
std::function<void(ThreadCall::Handle &)> trigger;
MyNet(const salticidae::EventContext &ec,
const std::string name,
double stat_timeout = -1):
MsgNetworkByteOp(ec, MsgNetworkByteOp::Config(
ConnPool::Config()
.max_send_buff_size(65536)
).burst_size(1000)),
name(name),
ev_period_stat(ec, [this, stat_timeout](TimerEvent &) {
SALTICIDAE_LOG_INFO("%.2f mps", nrecv / (double)stat_timeout);
fflush(stderr);
nrecv = 0;
ev_period_stat.add(stat_timeout);
}),
tcall(ec),
nrecv(0) {
/* message handler could be a bound method */
reg_handler(salticidae::generic_bind(&MyNet::on_receive_bytes, this, _1, _2));
if (stat_timeout > 0)
ev_period_stat.add(0);
reg_conn_handler([this, ec](const ConnPool::conn_t &conn, bool connected) {
if (connected)
{
if (conn->get_mode() == MyNet::Conn::ACTIVE)
{
printf("[%s] connected, sending bytes.\n", this->name.c_str());
/* send the first message through this connection */
trigger = [this, conn](ThreadCall::Handle &) {
send_msg(MsgBytes(256), salticidae::static_pointer_cast<Conn>(conn));
if (!conn->is_terminated())
tcall.async_call(trigger);
};
tcall.async_call(trigger);
}
else
printf("[%s] passively connected, waiting for bytes.\n", this->name.c_str());
}
else
{
printf("[%s] disconnected, retrying.\n", this->name.c_str());
/* try to reconnect to the same address */
connect(conn->get_addr());
}
return true;
});
}
void on_receive_bytes(MsgBytes &&msg, const conn_t &conn) { nrecv++; }
};
salticidae::EventContext ec;
NetAddr alice_addr("127.0.0.1:1234");
NetAddr bob_addr("127.0.0.1:1235");
void masksigs() {
sigset_t mask;
sigemptyset(&mask);
sigfillset(&mask