wrench::XRootD::Node
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class Node : public wrench::StorageService
An XRootD node, this can be either a supervisor or a storage server. All nodes are classified as storage services even though not all have physical storage Unless a node is also has an internal storage service, some normal storage service messages will error out. Only File Read, locate, and delete are supported at this time, anything else requires talking directly to a specific file server with physical storage. Nodes not directly be created, instead an XRootD Metavisor should create them.
Public Functions
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std::shared_ptr<Node> addChildStorageServer(const std::string &hostname, const std::string &mount_point, WRENCH_PROPERTY_COLLECTION_TYPE storage_property_list = {}, WRENCH_MESSAGE_PAYLOADCOLLECTION_TYPE storage_messagepayload_list = {}, WRENCH_PROPERTY_COLLECTION_TYPE node_property_list = {}, WRENCH_MESSAGE_PAYLOADCOLLECTION_TYPE node_messagepayload_list = {})
Adds a child, which will be a storage server, to a node.
- Parameters
hostname – the name of the host on which the child will run
mount_point – the mount point at that host
storage_property_list – the storage server’s property list
storage_messagepayload_list – the storage server’s message payload list
node_property_list – the XRootD node’s property list
node_messagepayload_list – the XRootD node’s message payload list
- Returns
The child
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std::shared_ptr<Node> addChildSupervisor(const std::string &hostname)
Adds a child, which will be a supervisor, to a node.
- Parameters
hostname – the name of the host on which the child will run
- Returns
The child
create a new file in the federation on this node. Use instead of wrench::Simulation::createFile when adding files to XRootD
- Parameters
file – A shared pointer to a file
- Throws
std::invalid_argument –
create a new file in the federation on this node. Use instead of wrench::Simulation::createFile when adding files to XRootD
- Parameters
file – A shared pointer to a file
path – a path at the node’s mount point
- Throws
std::invalid_argument –
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std::shared_ptr<Node> getChild(unsigned int n)
A meta tree traversal operation to get the nth child of this node.
- Parameters
n – The index of the child to receive. Nodes are in order added
- Returns
the Child Nodes shared pointer, or nullptr if this node is a leaf
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Node *getParent()
A Meta tree traversal to get the parent of this node.
- Returns
pointer supervisor. Will be nullptr if root
write a file on this node.
- Parameters
file – A shared pointer to a file
- Throws
std::invalid_argument –
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std::shared_ptr<Node> addChildStorageServer(const std::string &hostname, const std::string &mount_point, WRENCH_PROPERTY_COLLECTION_TYPE storage_property_list = {}, WRENCH_MESSAGE_PAYLOADCOLLECTION_TYPE storage_messagepayload_list = {}, WRENCH_PROPERTY_COLLECTION_TYPE node_property_list = {}, WRENCH_MESSAGE_PAYLOADCOLLECTION_TYPE node_messagepayload_list = {})