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
|
/**
@file TSSystemState.h
@section license License
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#pragma once
#include <tscore/ink_assert.h>
#include <tscore/ink_defs.h>
// Global status information for trafficserver
//
class TSSystemState
{
private:
struct Data {
bool initializing = true;
bool ssl_handshaking_stopped = false;
bool event_system_shut_down = false;
bool draining = false;
};
public:
static bool
is_initializing()
{
return unlikely(_instance().initializing);
}
static bool
is_ssl_handshaking_stopped()
{
return unlikely(_instance().ssl_handshaking_stopped);
}
static bool
is_event_system_shut_down()
{
return unlikely(_instance().event_system_shut_down);
}
// Keeps track if the server is in draining state, follows the proxy.node.config.draining metric.
//
static bool
is_draining()
{
return unlikely(_instance().draining);
}
static void
initialization_done()
{
ink_assert(_instance().initializing);
_instance().initializing = false;
}
static void
stop_ssl_handshaking()
{
ink_assert(!_instance().ssl_handshaking_stopped);
_instance().ssl_handshaking_stopped = true;
}
static void
shut_down_event_system()
{
// For some reason this is triggered by the regression testing.
// ink_assert(_instance().ssl_handshaking_stopped && !_instance().event_system_shut_down);
_instance().event_system_shut_down = true;
}
static void
drain(bool enable)
{
_instance().draining = enable;
}
private:
static Data &
_instance()
{
static Data d;
return d;
}
};
|
