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
|
#include <libirc/irc_client.hpp>
#include <network/poller.hpp>
#include <utils/scopeguard.hpp>
#include <sys/types.h>
#include <sys/socket.h>
#include <cstring>
#include <netdb.h>
#include <unistd.h>
#include <iostream>
#include <stdexcept>
IrcClient::IrcClient()
{
std::cout << "IrcClient()" << std::endl;
if ((this->socket = ::socket(AF_INET, SOCK_STREAM, 0)) == -1)
throw std::runtime_error("Could not create socket");
}
IrcClient::~IrcClient()
{
std::cout << "~IrcClient()" << std::endl;
}
void IrcClient::on_recv()
{
char buf[4096];
ssize_t size = ::recv(this->socket, buf, 4096, 0);
if (0 == size)
this->on_connection_close();
else if (-1 == static_cast<ssize_t>(size))
throw std::runtime_error("Error reading from socket");
else
{
this->in_buf += std::string(buf, size);
this->parse_in_buffer();
}
}
void IrcClient::on_send()
{
}
socket_t IrcClient::get_socket() const
{
return this->socket;
}
void IrcClient::connect(const std::string& address, const std::string& port)
{
std::cout << "Trying to connect to " << address << ":" << port << std::endl;
struct addrinfo hints;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_flags = 0;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = 0;
struct addrinfo* addr_res;
const int res = ::getaddrinfo(address.c_str(), port.c_str(), &hints, &addr_res);
// Make sure the alloced structure is always freed at the end of the
// function
utils::ScopeGuard sg([&addr_res](){ freeaddrinfo(addr_res); });
if (res != 0)
{
perror("getaddrinfo");
throw std::runtime_error("getaddrinfo failed");
}
for (struct addrinfo* rp = addr_res; rp; rp = rp->ai_next)
{
std::cout << "One result" << std::endl;
if (::connect(this->socket, rp->ai_addr, rp->ai_addrlen) == 0)
{
std::cout << "Connection success." << std::endl;
return ;
}
std::cout << "Connection failed:" << std::endl;
perror("connect");
}
std::cout << "All connection attempts failed." << std::endl;
this->close();
}
void IrcClient::on_connection_close()
{
std::cout << "Connection closed by remote server." << std::endl;
this->close();
}
void IrcClient::close()
{
this->poller->remove_socket_handler(this->get_socket());
::close(this->socket);
}
void IrcClient::parse_in_buffer()
{
std::cout << "Parsing: [" << this->in_buf << "]" << std::endl;
}
|
