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
|
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include <drizzled/plugin/listen.h>
#include <netinet/in.h>
#include <drizzled/visibility.h>
namespace drizzled {
namespace plugin {
/**
* This class is used by client plugins to provide and manage TCP listening
* interfaces for new client instances.
*/
class DRIZZLED_API ListenTcp : public Listen
{
protected:
/** Count of errors encountered in acceptTcp. */
uint32_t accept_error_count;
/**
* Accept new TCP connection. This is provided to be used in getClient for
* derived class implementations.
* @param[in] fd File descriptor that had activity.
* @retval Newly accepted file descriptor.
*/
int acceptTcp(int fd);
public:
ListenTcp(std::string name_arg)
: Listen(name_arg),
accept_error_count(0)
{}
/**
* This will bind the port to the host interfaces.
* @fds[out] Vector of file descriptors that were bound.
* @retval true on failure, false on success.
*/
virtual bool getFileDescriptors(std::vector<int>&);
/**
* Get the host address to bind to.
* @retval The host address.
*/
virtual const std::string getHost() const;
/**
* Get the port to bind to.
* @retval The port number.
*/
virtual in_port_t getPort() const= 0;
};
} /* end namespace plugin */
} /* end namespace drizzled */
|