1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/**
* 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 MyNet = salticidae::PeerNetwork<uint8_t>;
NetAddr addrs[] = {
NetAddr("127.0.0.1:12345"),
NetAddr("127.0.0.1:12346"),
NetAddr("127.0.0.1:12347")
};
void signal_handler(int) {
throw salticidae::SalticidaeError("got termination signal");
}
int main(int argc, char **argv) {
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
salticidae::EventContext ec;
/* test two nodes */
MyNet net(ec, 10, 2, 2, 4096, 3, 5);
try {
int i;
net.start();
net.listen(addrs[i = atoi(argv[1])]);
for (int j = 0; j < 3; j++)
if (i != j) net.add_peer(addrs[j]);
ec.dispatch();
} catch (salticidae::SalticidaeError &e) {}
return 0;
}
|