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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
// 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.
// * Neither the name of the Andrey N. Sabelnikov nor the
// names of its contributors may 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 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 <limits>
#include <boost/thread.hpp>
#include <boost/utility/value_init.hpp>
namespace epee
{
#define STD_TRY_BEGIN() try {
#define STD_TRY_CATCH(where_, ret_val) \
} \
catch (const std::exception &e) \
{ \
LOG_ERROR("EXCEPTION: " << where_ << ", mes: "<< e.what()); \
return ret_val; \
} \
catch (...) \
{ \
LOG_ERROR("EXCEPTION: " << where_ ); \
return ret_val; \
}
#define AUTO_VAL_INIT(v) boost::value_initialized<decltype(v)>()
namespace misc_utils
{
template<typename t_type>
t_type get_max_t_val(t_type t)
{
return (std::numeric_limits<t_type>::max)();
}
template<typename t_iterator>
t_iterator move_it_forward(t_iterator it, size_t count)
{
while(count--)
it++;
return it;
}
template<typename t_iterator>
t_iterator move_it_backward(t_iterator it, size_t count)
{
while(count--)
it--;
return it;
}
// TEMPLATE STRUCT less
template<class _Ty>
struct less_as_pod
: public std::binary_function<_Ty, _Ty, bool>
{ // functor for operator<
bool operator()(const _Ty& _Left, const _Ty& _Right) const
{ // apply operator< to operands
return memcmp(&_Left, &_Right, sizeof(_Left)) < 0;
}
};
template<class _Ty>
bool is_less_as_pod(const _Ty& _Left, const _Ty& _Right)
{ // apply operator< to operands
return memcmp(&_Left, &_Right, sizeof(_Left)) < 0;
}
inline
bool sleep_no_w(long ms )
{
boost::this_thread::sleep(
boost::get_system_time() +
boost::posix_time::milliseconds( std::max<long>(ms,0) ) );
return true;
}
template<class type_vec_type>
type_vec_type median(std::vector<type_vec_type> &v)
{
if(v.empty())
return boost::value_initialized<type_vec_type>();
if(v.size() == 1)
return v[0];
size_t n = (v.size()) / 2;
std::sort(v.begin(), v.end());
//nth_element(v.begin(), v.begin()+n-1, v.end());
if(v.size()%2)
{//1, 3, 5...
return v[n];
}else
{//2, 4, 6...
return (v[n-1] + v[n])/2;
}
}
/************************************************************************/
/* */
/************************************************************************/
struct call_befor_die_base
{
virtual ~call_befor_die_base(){}
};
typedef boost::shared_ptr<call_befor_die_base> auto_scope_leave_caller;
template<class t_scope_leave_handler>
struct call_befor_die: public call_befor_die_base
{
t_scope_leave_handler m_func;
call_befor_die(t_scope_leave_handler f):m_func(f)
{}
~call_befor_die()
{
try { m_func(); }
catch (...) { /* ignore */ }
}
};
template<class t_scope_leave_handler>
auto_scope_leave_caller create_scope_leave_handler(t_scope_leave_handler f)
{
auto_scope_leave_caller slc(new call_befor_die<t_scope_leave_handler>(f));
return slc;
}
template<typename T> struct struct_init: T
{
struct_init(): T{} {}
};
}
}
|
