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Diffstat (limited to 'CIAO/DAnCE/TargetManager/DomainDataManager.h')
| -rw-r--r-- | CIAO/DAnCE/TargetManager/DomainDataManager.h | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/CIAO/DAnCE/TargetManager/DomainDataManager.h b/CIAO/DAnCE/TargetManager/DomainDataManager.h new file mode 100644 index 00000000000..e32ba09a6d0 --- /dev/null +++ b/CIAO/DAnCE/TargetManager/DomainDataManager.h @@ -0,0 +1,291 @@ +// $Id$ +//=============================================================== +/** + * @file DomainDataManager.h + * + * @brief Maintains the Domain Information + * + * It contains the entire Domain information. Both the + * initial domain as well as the current available domain. + * + * @author Nilabja Roy nilabjar@dre.vanderbilt.edu + */ +//=============================================================== +#ifndef DOMAIN_DATA_MGRH +#define DOMAIN_DATA_MGRH + +#include "TargetManagerImplC.h" +#include "DAnCE/DomainApplicationManager/Deployment_Configuration.h" +#include "DAnCE/Deployment/Deployment_ResourceCommitmentManagerC.h" + +/** + * @namespace CIAO + * + * @brief The main CIAO namespace + * + */ +namespace CIAO +{ + /** + * @class DomainDataManager + * + * @brief Responsible for maintaining the Domain Information + * + * It maintains both the Current Domain Information as well + * as the Initial domain at full capacity. + */ + class DomainDataManager + { + + public : + /** + * @brief This function is called by the other classes to update + * current domain data. + * @param elements The string sequence of elements + * being updated + * @param domainSubset The subset of the actual Domain to be updated + * @param updateKind Specifies the update type eg. add, delete, update + * + */ + int update_domain (const ::CORBA::StringSeq & elements, + const ::Deployment::Domain & domainSubset, + ::Deployment::DomainUpdateKind updateKind + ); + /** + * @brief This function is called from the Executor code + * to get the Original Domain data. + * @return Domain* The Initial Domain + * + */ + ::Deployment::Domain* get_initial_domain (); + + /** + * @brief This function is called from the Executor code + * to get the Current Domain data. + * @return Domain* The Current Domain + */ + ::Deployment::Domain* get_current_domain (); + + /** + * This function calls the constructor of the + * class Domain Data Manager + * @brief This function is called to create the Datamanager + * @param orb The orb pointer + * @param target The Target Manager Object Reference + * + */ + static DomainDataManager * create (CORBA::ORB_ptr orb, + ::Deployment::TargetManager_ptr target + ); + + /** + * @brief Returns the static pointer to the + * data manager. + * @return DomainDataManager* + * The staic get_data_manger function returning + * the data_manager pointer + */ + static DomainDataManager* get_data_manager (); + + /** + * @brief deletes the data manager + */ + static void delete_data_manger (); + + /** + * @brief returns the sequence of node managers + * object reference + */ + void commitResources ( + const ::Deployment::DeploymentPlan & plan); + + /** + * @brief The function releases the resources held by a plan + * @param plan ::Deployment::DeploymentPlan the plan whose + * resources are to be released + */ + void releaseResources ( + const ::Deployment::DeploymentPlan& plan); + + /** + * The node manager in turn stops the monitor + * @brief The function makes a call on the leaveDomain on the + * NodeManager + */ + void stop_monitors (); + + /** + * @brief The function allocates resources specified in the + * parameter + * + * This function is for the ResourceCommitmentManager + * + */ + void commitResourceAllocation ( + const ::Deployment::ResourceAllocations & resources); + + /** + * @brief The function releases resources specified in the + * parameter + * + * This function is for the ResourceCommitmentManager + * + */ + void releaseResourceAllocation ( + const ::Deployment::ResourceAllocations & resources); + + private: + + /** + * The constructor made protected so that no one can create + * it. + * @param orb The orb pointer + * @param target The Target Manager Object Reference + */ + DomainDataManager (CORBA::ORB_ptr orb, + ::Deployment::TargetManager_ptr target + ); + + /** + * @brief It will read the initial Domain data from + * XML files. + */ + int readin_domain_data (); + + /** + * @brief Match the deployed resources to the + * available resource + */ + void match_requirement_resource ( + ::Deployment::InstanceResourceDeploymentDescriptions deployed, + ::Deployment::Resources& available + ); + + /** + * @brief Match the properties of a Requirement to the + * properties of available resource + * @param deployed The deployed Properties + * @param available The available Properties + */ + void match_properties ( + ::Deployment::Properties deployed, + ::Deployment::SatisfierProperties& available); + + + /// The different actiona that can take place + enum Action {commit , release}; + + /** + * @brief Either commits or releases the given resource + * based on the current Action set. + * @param deployed ::Deployment::Property is the resource + * to be commited/released + * @param available ::Deployment::SatisfierProperty is the + * available resource from which committed/released. + * @exception ::Deployment::ResourceNotAvailable thrown + * when the deployed resources exceeds + * the available resource. + */ + void commit_release_resource ( ::Deployment::Property & deployed, + ::Deployment::SatisfierProperty & available); + + /** + * @brief This function calls all NM and gives them + * the sub-domain + */ + int call_all_node_managers (); + + /** + * @brief This function add new elements to the + * already existing domain + * + * @param domain Deployment::Domain contians the new + * elements + */ + int add_to_domain (const ::Deployment::Domain& domain); + + /** + * @brief This function deletes elements from the domain + * + * @param domain ::Deployment::Domain contains the new elements + * in the domain + */ + int delete_from_domain (const ::Deployment::Domain& domain); + + /** + * @brief This function intimates the planner about a domain + * change + * + * @param domain ::Deployment::Domain contains the new elements + * in the domain + */ + int intimate_planner (const ::Deployment::Domain& domain); + + /** + * @brief This function finds a new node in the initial_domain + * + * @param node The name of the node which is to be searched + */ + + bool find_in_initial_domain (const char* node_name, + ::Deployment::Node& node); + /** + * @brief This function finds a new node in the proviosiond_domain + * + * @param node The name of the node which is to be searched + */ + bool find_in_provisioned_domain (const char* node_name, + ::Deployment::Node& node); + + /** + * @brief updates the node status by reading it from a file + */ + bool update_node_status (); + + /** + * @function find_resource + * @brief It finds the Resource structure which is respresents the + * ResourceAllocation + */ + ::Deployment::Resource& find_resource ( + const ::Deployment::ResourceAllocation& resource); + + int commit_release_RA ( + const ::Deployment::ResourceAllocations& resources); + + + /// The ORB pointer + CORBA::ORB_var orb_; + + /// The Deployment Configuration + CIAO::Deployment_Configuration deployment_config_; + + /// The Initial Domain - contains resources + /// at total capacity + ::Deployment::Domain initial_domain_; + + /// The staic data member , replacing a global variable + static DomainDataManager* global_data_manager_; + /// The Current Domain - contains resources + /// at current capacity + ::Deployment::Domain current_domain_; + + /// The Target Manager Context + ::Deployment::TargetManager_var target_mgr_; + + /** + * The static provisioned Domain data + */ + ::Deployment::Domain provisioned_data_; + + /// temporary domain used in commit/release to + /// guard against exceptions + ::Deployment::Domain temp_provisioned_data_; + + /// The current action + Action current_action_; + }; +} // CIAO + + +#endif /* DOMAIN_DATA_MGRH */ |