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
|
// $Id$
#include "global.h"
#include "Options.h"
#include "CM_Server.h"
// Creates and binds a UDP socket...
int
CM_Server::open (short port_number)
{
int max_packet_size = UDP_PACKET_SIZE;
this->sokfd_ = socket (PF_INET, SOCK_DGRAM, 0);
if (this->sokfd_ < 0)
return -1;
ACE_OS::memset (&this->sin_, sizeof this->sin_, 0);
this->sin_.sin_family = AF_INET;
this->sin_.sin_port = htons (port_number);
this->sin_.sin_addr.s_addr = INADDR_ANY;
// This call fails if an rflo daemon is already running.
if (ACE_OS::bind (this->sokfd_,
(sockaddr *) &this->sin_,
sizeof this->sin_) < 0)
return -1;
if (ACE_OS::setsockopt (this->sokfd_,
SOL_SOCKET,
SO_SNDBUF,
(char *) &max_packet_size,
sizeof max_packet_size) < 0)
return -1;
return 1;
}
int
CM_Server::receive (int)
{
int sin_len = sizeof this->sin_;
if (Options::get_opt (Options::DEBUG) != 0)
ACE_DEBUG ((LM_DEBUG, "waiting for client to send...\n"));
ssize_t n = recvfrom (this->sokfd_,
this->recv_packet_,
UDP_PACKET_SIZE,
0,
(sockaddr *) &this->sin_,
&sin_len);
if (n == -1)
return -1;
if (Options::get_opt (Options::DEBUG) != 0)
ACE_DEBUG ((LM_DEBUG,
"receiving from client host %s\n",
ACE_OS::inet_ntoa (this->sin_.sin_addr)));
if (this->demux (this->recv_packet_, n) < 0)
return -1;
return 1;
}
int
CM_Server::send (void)
{
int packet_length = 0;
if (this->mux (this->send_packet_,
packet_length) < 0)
return -1;
if (Options::get_opt (Options::DEBUG) != 0)
ACE_DEBUG ((LM_DEBUG,
"sending to client host %s\n",
ACE_OS::inet_ntoa (this->sin_.sin_addr)));
if (sendto (this->sokfd_,
this->send_packet_,
packet_length,
0,
(sockaddr *) &this->sin_,
sizeof this->sin_) < 0)
return -1;
return 1;
}
CM_Server::CM_Server (void)
{
}
CM_Server::~CM_Server (void)
{
if (Options::get_opt (Options::DEBUG))
ACE_DEBUG ((LM_DEBUG,
"CM_Server\n"));
ACE_OS::closesocket (this->sokfd_);
}
|
