/* *============================================================================ * This library is free software; you can redistribute it and/or * modify it under the terms of version 2.1 of the GNU Lesser General Public * License as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *============================================================================ * Copyright (C) 2007 XenSource Inc. *============================================================================ */ package com.xensource.xenapi; import java.util.Map; import java.util.Set; import java.util.Date; import java.lang.ref.SoftReference; import java.util.HashMap; import java.util.HashSet; import java.io.PrintWriter; import java.io.StringWriter; import org.apache.xmlrpc.XmlRpcException; /** * The physical block devices through which hosts access SRs * * @author XenSource Inc. */ public class PBD extends XenAPIObject { /** * The XenAPI reference to this object. */ protected final String ref; private PBD(String ref) { this.ref = ref; } public String toWireString() { return this.ref; } /** * This code helps ensure there is only one * PBD instance per XenAPI reference. */ private static final Map<String,SoftReference<PBD>> cache = new HashMap<String,SoftReference<PBD>>(); protected static synchronized PBD getInstFromRef(String ref) { if(PBD.cache.containsKey(ref)) { PBD instance = PBD.cache.get(ref).get(); if(instance != null) { return instance; } } PBD instance = new PBD(ref); PBD.cache.put(ref, new SoftReference<PBD>(instance)); return instance; } /** * Represents all the fields in a PBD */ public static class Record implements Types.Record{ public String toString() { StringWriter writer = new StringWriter(); PrintWriter print = new PrintWriter(writer); print.printf("%1$20s: %2$s\n", "uuid", this.uuid); print.printf("%1$20s: %2$s\n", "host", this.host); print.printf("%1$20s: %2$s\n", "SR", this.SR); print.printf("%1$20s: %2$s\n", "deviceConfig", this.deviceConfig); print.printf("%1$20s: %2$s\n", "currentlyAttached", this.currentlyAttached); print.printf("%1$20s: %2$s\n", "otherConfig", this.otherConfig); return writer.toString(); } /** * Convert a PBD.Record to a Map */ public Map<String,Object> toMap() { Map<String,Object> map = new HashMap<String,Object>(); map.put("uuid", this.uuid == null ? "" : this.uuid); map.put("host", this.host == null ? com.xensource.xenapi.Host.getInstFromRef("OpaqueRef:NULL") : this.host); map.put("SR", this.SR == null ? com.xensource.xenapi.SR.getInstFromRef("OpaqueRef:NULL") : this.SR); map.put("device_config", this.deviceConfig == null ? new HashMap<String, String>() : this.deviceConfig); map.put("currently_attached", this.currentlyAttached == null ? false : this.currentlyAttached); map.put("other_config", this.otherConfig == null ? new HashMap<String, String>() : this.otherConfig); return map; } /** * unique identifier/object reference */ public String uuid; /** * physical machine on which the pbd is available */ public Host host; /** * the storage repository that the pbd realises */ public SR SR; /** * a config string to string map that is provided to the host's SR-backend-driver */ public Map<String, String> deviceConfig; /** * is the SR currently attached on this host? */ public Boolean currentlyAttached; /** * additional configuration */ public Map<String, String> otherConfig; } /** * Get a record containing the current state of the given PBD. * * @return all fields from the object */ public PBD.Record getRecord(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_record"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toPBDRecord(result); } throw new Types.BadServerResponse(response); } /** * Get a reference to the PBD instance with the specified UUID. * * @param uuid UUID of object to return * @return reference to the object */ public static PBD getByUuid(Connection c, String uuid) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_by_uuid"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(uuid)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toPBD(result); } throw new Types.BadServerResponse(response); } /** * Create a new PBD instance, and return its handle. * * @param record All constructor arguments * @return Task */ public static Task createAsync(Connection c, PBD.Record record) throws Types.BadServerResponse, XmlRpcException { String method_call = "Async.PBD.create"; String session = c.getSessionReference(); Map<String, Object> record_map = record.toMap(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(record_map)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toTask(result); } throw new Types.BadServerResponse(response); } /** * Create a new PBD instance, and return its handle. * * @param record All constructor arguments * @return reference to the newly created object */ public static PBD create(Connection c, PBD.Record record) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.create"; String session = c.getSessionReference(); Map<String, Object> record_map = record.toMap(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(record_map)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toPBD(result); } throw new Types.BadServerResponse(response); } /** * Destroy the specified PBD instance. * * @return Task */ public Task destroyAsync(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "Async.PBD.destroy"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toTask(result); } throw new Types.BadServerResponse(response); } /** * Destroy the specified PBD instance. * */ public void destroy(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.destroy"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return; } throw new Types.BadServerResponse(response); } /** * Get the uuid field of the given PBD. * * @return value of the field */ public String getUuid(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_uuid"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toString(result); } throw new Types.BadServerResponse(response); } /** * Get the host field of the given PBD. * * @return value of the field */ public Host getHost(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_host"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toHost(result); } throw new Types.BadServerResponse(response); } /** * Get the SR field of the given PBD. * * @return value of the field */ public SR getSR(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_SR"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toSR(result); } throw new Types.BadServerResponse(response); } /** * Get the device_config field of the given PBD. * * @return value of the field */ public Map<String, String> getDeviceConfig(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_device_config"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toMapOfStringString(result); } throw new Types.BadServerResponse(response); } /** * Get the currently_attached field of the given PBD. * * @return value of the field */ public Boolean getCurrentlyAttached(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_currently_attached"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toBoolean(result); } throw new Types.BadServerResponse(response); } /** * Get the other_config field of the given PBD. * * @return value of the field */ public Map<String, String> getOtherConfig(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_other_config"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toMapOfStringString(result); } throw new Types.BadServerResponse(response); } /** * Set the other_config field of the given PBD. * * @param otherConfig New value to set */ public void setOtherConfig(Connection c, Map<String, String> otherConfig) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.set_other_config"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref), Marshalling.toXMLRPC(otherConfig)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return; } throw new Types.BadServerResponse(response); } /** * Add the given key-value pair to the other_config field of the given PBD. * * @param key Key to add * @param value Value to add */ public void addToOtherConfig(Connection c, String key, String value) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.add_to_other_config"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref), Marshalling.toXMLRPC(key), Marshalling.toXMLRPC(value)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return; } throw new Types.BadServerResponse(response); } /** * Remove the given key and its corresponding value from the other_config field of the given PBD. If the key is not in that Map, then do nothing. * * @param key Key to remove */ public void removeFromOtherConfig(Connection c, String key) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.remove_from_other_config"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref), Marshalling.toXMLRPC(key)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return; } throw new Types.BadServerResponse(response); } /** * Activate the specified PBD, causing the referenced SR to be attached and scanned * * @return Task */ public Task plugAsync(Connection c) throws Types.BadServerResponse, XmlRpcException, Types.SrUnknownDriver { String method_call = "Async.PBD.plug"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toTask(result); } else if(response.get("Status").equals("Failure")) { Object[] error = (Object[]) response.get("ErrorDescription"); if(error[0].equals("SR_UNKNOWN_DRIVER")) { throw new Types.SrUnknownDriver((String) error[1]); } } throw new Types.BadServerResponse(response); } /** * Activate the specified PBD, causing the referenced SR to be attached and scanned * */ public void plug(Connection c) throws Types.BadServerResponse, XmlRpcException, Types.SrUnknownDriver { String method_call = "PBD.plug"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return; } else if(response.get("Status").equals("Failure")) { Object[] error = (Object[]) response.get("ErrorDescription"); if(error[0].equals("SR_UNKNOWN_DRIVER")) { throw new Types.SrUnknownDriver((String) error[1]); } } throw new Types.BadServerResponse(response); } /** * Deactivate the specified PBD, causing the referenced SR to be detached and nolonger scanned * * @return Task */ public Task unplugAsync(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "Async.PBD.unplug"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toTask(result); } throw new Types.BadServerResponse(response); } /** * Deactivate the specified PBD, causing the referenced SR to be detached and nolonger scanned * */ public void unplug(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.unplug"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return; } throw new Types.BadServerResponse(response); } /** * Sets the PBD's device_config field * * @param value The new value of the PBD's device_config * @return Task */ public Task setDeviceConfigAsync(Connection c, Map<String, String> value) throws Types.BadServerResponse, XmlRpcException { String method_call = "Async.PBD.set_device_config"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref), Marshalling.toXMLRPC(value)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toTask(result); } throw new Types.BadServerResponse(response); } /** * Sets the PBD's device_config field * * @param value The new value of the PBD's device_config */ public void setDeviceConfig(Connection c, Map<String, String> value) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.set_device_config"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session), Marshalling.toXMLRPC(this.ref), Marshalling.toXMLRPC(value)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return; } throw new Types.BadServerResponse(response); } /** * Return a list of all the PBDs known to the system. * * @return references to all objects */ public static Set<PBD> getAll(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_all"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toSetOfPBD(result); } throw new Types.BadServerResponse(response); } /** * Return a map of PBD references to PBD records for all PBDs known to the system. * * @return records of all objects */ public static Map<PBD, PBD.Record> getAllRecords(Connection c) throws Types.BadServerResponse, XmlRpcException { String method_call = "PBD.get_all_records"; String session = c.getSessionReference(); Object[] method_params = {Marshalling.toXMLRPC(session)}; Map response = c.dispatch(method_call, method_params); if(response.get("Status").equals("Success")) { Object result = response.get("Value"); return Types.toMapOfPBDPBDRecord(result); } throw new Types.BadServerResponse(response); } }