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
106
107
108
|
#include "tcp_socket.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
TCPSocket::TCPSocket(int port, std::string addr) : Socket(port, addr)
{
sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
}
static int _listen(int sockfd, int backlog){return listen(sockfd, backlog);}
int TCPSocket::listen(TCPSocket *s)
{
if(!s) {
strerr = "TCPSocket is a NULL pointer.";
return 1;
}
if(s->connected) {
strerr = "TCPSocket already connected.";
return 1;
}
if(!connected) {
struct sockaddr_in socketaddr;
memset((char *) &socketaddr, sizeof(socketaddr), 0);
socketaddr.sin_family = AF_INET;
socketaddr.sin_port = htons(prt);
socketaddr.sin_addr.s_addr = htonl(INADDR_ANY);
if(bind(sock, (struct sockaddr*)&socketaddr, sizeof(socketaddr)) == -1) {
strerr = "Socket: bind() failed! ";
strerr.append(strerror(errno));
return 1;
}
if(_listen(sock, 5) == -1) {
strerr = "Socket: listen() failed! ";
strerr.append(strerror(errno));
return 1;
}
connected = true;
}
struct sockaddr_in ssocketaddr;
int csalen = sizeof(ssocketaddr);
s->sock = accept(sock, (struct sockaddr*)&ssocketaddr, (socklen_t*)&csalen);
if (s->sock < 0) {
s->connected = false;
strerr = "Socket: accept() failed! ";
strerr.append(strerror(errno));
return 1;
}
s->setAddress(inet_ntoa(ssocketaddr.sin_addr));
s->setPort(ssocketaddr.sin_port);
s->connected = true;
return 0;
}
|