summaryrefslogtreecommitdiffstats
path: root/lib/config/applyrule.cpp
blob: 87399711eda119f048831be60e0c053027f73de7 (plain)
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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */

#include "config/applyrule.hpp"
#include "base/logger.hpp"
#include <set>
#include <unordered_set>

using namespace icinga;

ApplyRule::RuleMap ApplyRule::m_Rules;
ApplyRule::TypeMap ApplyRule::m_Types;

ApplyRule::ApplyRule(String name, Expression::Ptr expression,
	Expression::Ptr filter, String package, String fkvar, String fvvar, Expression::Ptr fterm,
	bool ignoreOnError, DebugInfo di, Dictionary::Ptr scope)
	: m_Name(std::move(name)), m_Expression(std::move(expression)), m_Filter(std::move(filter)), m_Package(std::move(package)), m_FKVar(std::move(fkvar)),
	m_FVVar(std::move(fvvar)), m_FTerm(std::move(fterm)), m_IgnoreOnError(ignoreOnError), m_DebugInfo(std::move(di)), m_Scope(std::move(scope)), m_HasMatches(false)
{ }

String ApplyRule::GetName() const
{
	return m_Name;
}

Expression::Ptr ApplyRule::GetExpression() const
{
	return m_Expression;
}

Expression::Ptr ApplyRule::GetFilter() const
{
	return m_Filter;
}

String ApplyRule::GetPackage() const
{
	return m_Package;
}

Expression::Ptr ApplyRule::GetFTerm() const
{
	return m_FTerm;
}

bool ApplyRule::GetIgnoreOnError() const
{
	return m_IgnoreOnError;
}

const DebugInfo& ApplyRule::GetDebugInfo() const
{
	return m_DebugInfo;
}

Dictionary::Ptr ApplyRule::GetScope() const
{
	return m_Scope;
}

void ApplyRule::AddRule(const String& sourceType, const String& targetType, const String& name,
	const Expression::Ptr& expression, const Expression::Ptr& filter, const String& package, const String& fkvar,
	const String& fvvar, const Expression::Ptr& fterm, bool ignoreOnError, const DebugInfo& di, const Dictionary::Ptr& scope)
{
	auto actualTargetType (&targetType);

	if (*actualTargetType == "") {
		auto& targetTypes (GetTargetTypes(sourceType));

		if (targetTypes.size() == 1u) {
			actualTargetType = &targetTypes[0];
		}
	}

	ApplyRule::Ptr rule = new ApplyRule(name, expression, filter, package, fkvar, fvvar, fterm, ignoreOnError, di, scope);
	auto& rules (m_Rules[Type::GetByName(sourceType).get()]);

	if (!AddTargetedRule(rule, *actualTargetType, rules)) {
		rules.Regular[Type::GetByName(*actualTargetType).get()].emplace_back(std::move(rule));
	}
}

bool ApplyRule::EvaluateFilter(ScriptFrame& frame) const
{
	return Convert::ToBool(m_Filter->Evaluate(frame));
}

void ApplyRule::RegisterType(const String& sourceType, const std::vector<String>& targetTypes)
{
	m_Types[sourceType] = targetTypes;
}

bool ApplyRule::IsValidSourceType(const String& sourceType)
{
	return m_Types.find(sourceType) != m_Types.end();
}

bool ApplyRule::IsValidTargetType(const String& sourceType, const String& targetType)
{
	auto it = m_Types.find(sourceType);

	if (it == m_Types.end())
		return false;

	if (it->second.size() == 1 && targetType == "")
		return true;

	for (const String& type : it->second) {
		if (type == targetType)
			return true;
	}

	return false;
}

const std::vector<String>& ApplyRule::GetTargetTypes(const String& sourceType)
{
	auto it = m_Types.find(sourceType);

	if (it == m_Types.end()) {
		static const std::vector<String> noTypes;
		return noTypes;
	}

	return it->second;
}

void ApplyRule::AddMatch()
{
	m_HasMatches.store(true, std::memory_order_relaxed);
}

bool ApplyRule::HasMatches() const
{
	return m_HasMatches.load(std::memory_order_relaxed);
}

const std::vector<ApplyRule::Ptr>& ApplyRule::GetRules(const Type::Ptr& sourceType, const Type::Ptr& targetType)
{
	auto perSourceType (m_Rules.find(sourceType.get()));

	if (perSourceType != m_Rules.end()) {
		auto perTargetType (perSourceType->second.Regular.find(targetType.get()));

		if (perTargetType != perSourceType->second.Regular.end()) {
			return perTargetType->second;
		}
	}

	static const std::vector<ApplyRule::Ptr> noRules;
	return noRules;
}

void ApplyRule::CheckMatches(bool silent)
{
	for (auto& perSourceType : m_Rules) {
		for (auto& perTargetType : perSourceType.second.Regular) {
			for (auto& rule : perTargetType.second) {
				CheckMatches(rule, perSourceType.first, silent);
			}
		}

		std::unordered_set<ApplyRule*> targeted;

		for (auto& perHost : perSourceType.second.Targeted) {
			for (auto& rule : perHost.second.ForHost) {
				targeted.emplace(rule.get());
			}

			for (auto& perService : perHost.second.ForServices) {
				for (auto& rule : perService.second) {
					targeted.emplace(rule.get());
				}
			}
		}

		for (auto rule : targeted) {
			CheckMatches(rule, perSourceType.first, silent);
		}
	}
}

void ApplyRule::CheckMatches(const ApplyRule::Ptr& rule, Type* sourceType, bool silent)
{
	if (!rule->HasMatches() && !silent) {
		Log(LogWarning, "ApplyRule")
			<< "Apply rule '" << rule->GetName() << "' (" << rule->GetDebugInfo() << ") for type '"
			<< sourceType->GetName() << "' does not match anywhere!";
	}
}