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
|
/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* DataDifferential Utility Library
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * The names of its contributors may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#include <cstring>
#include <iosfwd>
#include <vector>
namespace datadifferential {
namespace util {
class Operation {
typedef std::vector<char> Packet;
public:
typedef std::vector<Operation *> vector;
Operation(const char *command, size_t command_length, bool expect_response= true) :
_expect_response(expect_response),
packet(),
_response()
{
packet.resize(command_length);
memcpy(&packet[0], command, command_length);
}
~Operation()
{ }
size_t size() const
{
return packet.size();
}
const char* ptr() const
{
return &(packet)[0];
}
bool has_response() const
{
return _expect_response;
}
void push(const char *buffer, size_t buffer_size)
{
size_t response_size= _response.size();
_response.resize(response_size +buffer_size);
memcpy(&_response[0] +response_size, buffer, buffer_size);
}
// Return false on error
bool response(std::string &);
bool reconnect() const
{
return false;
}
private:
bool _expect_response;
Packet packet;
Packet _response;
};
} /* namespace util */
} /* namespace datadifferential */
|
