1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
3 #include "icinga/service.hpp"
4 #include "icinga/dependency.hpp"
5 #include "base/logger.hpp"
7 using namespace icinga;
9 void Checkable::AddDependency(const Dependency::Ptr& dep)
11 boost::mutex::scoped_lock lock(m_DependencyMutex);
12 m_Dependencies.insert(dep);
15 void Checkable::RemoveDependency(const Dependency::Ptr& dep)
17 boost::mutex::scoped_lock lock(m_DependencyMutex);
18 m_Dependencies.erase(dep);
21 std::vector<Dependency::Ptr> Checkable::GetDependencies() const
23 boost::mutex::scoped_lock lock(m_DependencyMutex);
24 return std::vector<Dependency::Ptr>(m_Dependencies.begin(), m_Dependencies.end());
27 void Checkable::AddReverseDependency(const Dependency::Ptr& dep)
29 boost::mutex::scoped_lock lock(m_DependencyMutex);
30 m_ReverseDependencies.insert(dep);
33 void Checkable::RemoveReverseDependency(const Dependency::Ptr& dep)
35 boost::mutex::scoped_lock lock(m_DependencyMutex);
36 m_ReverseDependencies.erase(dep);
39 std::vector<Dependency::Ptr> Checkable::GetReverseDependencies() const
41 boost::mutex::scoped_lock lock(m_DependencyMutex);
42 return std::vector<Dependency::Ptr>(m_ReverseDependencies.begin(), m_ReverseDependencies.end());
45 bool Checkable::IsReachable(DependencyType dt, Dependency::Ptr *failedDependency, int rstack) const
47 /* Anything greater than 256 causes recursion bus errors. */
51 Log(LogWarning, "Checkable")
52 << "Too many nested dependencies (>" << limit << ") for checkable '" << GetName() << "': Dependency failed.";
57 for (const Checkable::Ptr& checkable : GetParents()) {
58 if (!checkable->IsReachable(dt, failedDependency, rstack + 1))
62 /* implicit dependency on host if this is a service */
63 const auto *service = dynamic_cast<const Service *>(this);
64 if (service && (dt == DependencyState || dt == DependencyNotification)) {
65 Host::Ptr host = service->GetHost();
67 if (host && host->GetState() != HostUp && host->GetStateType() == StateTypeHard) {
69 *failedDependency = nullptr;
75 for (const Dependency::Ptr& dep : GetDependencies()) {
76 if (!dep->IsAvailable(dt)) {
78 *failedDependency = dep;
85 *failedDependency = nullptr;
90 std::set<Checkable::Ptr> Checkable::GetParents() const
92 std::set<Checkable::Ptr> parents;
94 for (const Dependency::Ptr& dep : GetDependencies()) {
95 Checkable::Ptr parent = dep->GetParent();
97 if (parent && parent.get() != this)
98 parents.insert(parent);
104 std::set<Checkable::Ptr> Checkable::GetChildren() const
106 std::set<Checkable::Ptr> parents;
108 for (const Dependency::Ptr& dep : GetReverseDependencies()) {
109 Checkable::Ptr service = dep->GetChild();
111 if (service && service.get() != this)
112 parents.insert(service);
118 std::set<Checkable::Ptr> Checkable::GetAllChildren() const
120 std::set<Checkable::Ptr> children = GetChildren();
122 GetAllChildrenInternal(children, 0);
127 void Checkable::GetAllChildrenInternal(std::set<Checkable::Ptr>& children, int level) const
132 std::set<Checkable::Ptr> localChildren;
134 for (const Checkable::Ptr& checkable : children) {
135 std::set<Checkable::Ptr> cChildren = checkable->GetChildren();
137 if (!cChildren.empty()) {
138 GetAllChildrenInternal(cChildren, level + 1);
139 localChildren.insert(cChildren.begin(), cChildren.end());
142 localChildren.insert(checkable);
145 children.insert(localChildren.begin(), localChildren.end());