libmodprobe: add GetAllDependencies (46b9a98e) · Commits · e / os / android_system_core

libmodprobe/include/modprobe/modprobe.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,9 @@ class Modprobe {
		const std::string& parameters = "");
		bool Remove(const std::string& module_name);
		std::vector<std::string> ListModules(const std::string& pattern);
		bool GetAllDependencies(const std::string& module, std::vector<std::string>* pre_dependencies,
		std::vector<std::string>* dependencies,
		std::vector<std::string>* post_dependencies);
		void EnableBlacklist(bool enable);

		private:

+33 −0

Original line number	Diff line number	Diff line
		@@ -376,3 +376,36 @@ std::vector<std::string> Modprobe::ListModules(const std::string& pattern) {
		}
		return rv;
		}

		bool Modprobe::GetAllDependencies(const std::string& module,
		std::vector<std::string>* pre_dependencies,
		std::vector<std::string>* dependencies,
		std::vector<std::string>* post_dependencies) {
		std::string canonical_name = MakeCanonical(module);
		if (pre_dependencies) {
		pre_dependencies->clear();
		for (const auto& [it_module, it_softdep] : module_pre_softdep_) {
		if (canonical_name == it_module) {
		pre_dependencies->emplace_back(it_softdep);
		}
		}
		}
		if (dependencies) {
		dependencies->clear();
		auto hard_deps = GetDependencies(canonical_name);
		if (hard_deps.empty()) {
		return false;
		}
		for (auto dep = hard_deps.rbegin(); dep != hard_deps.rend(); dep++) {
		dependencies->emplace_back(*dep);
		}
		}
		if (post_dependencies) {
		for (const auto& [it_module, it_softdep] : module_post_softdep_) {
		if (canonical_name == it_module) {
		post_dependencies->emplace_back(it_softdep);
		}
		}
		}
		return true;
		}