mirror of
https://github.com/OpenNebula/one.git
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280 lines
9.1 KiB
C++
280 lines
9.1 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2009, Distributed Systems Architecture Group, Universidad */
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/* Complutense de Madrid (dsa-research.org) */
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/* */
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/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
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/* not use this file except in compliance with the License. You may obtain */
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/* a copy of the License at */
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/* */
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/* http://www.apache.org/licenses/LICENSE-2.0 */
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/* */
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/* Unless required by applicable law or agreed to in writing, software */
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/* distributed under the License is distributed on an "AS IS" BASIS, */
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/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
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/* See the License for the specific language governing permissions and */
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/* limitations under the License. */
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/* -------------------------------------------------------------------------- */
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#ifndef ONECLIENT_H_
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#define ONECLIENT_H_
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#include <xmlrpc-c/base.hpp>
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#include <xmlrpc-c/client_simple.hpp>
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#include <iostream>
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#include <string>
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#include <sstream>
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using namespace std;
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/**
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* OneClient class. Provides a simple interface to invoke the ONE methods. This
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* class can be used as base to build complex clients or VM applications
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*/
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class OneClient : public xmlrpc_c::clientSimple
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{
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public:
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/* ---------------------------------------------------------------------- */
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/* ONE Session Constructors */
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/* ---------------------------------------------------------------------- */
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/**
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* Set the connection values to communicate with ONE
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* @param oneurl the ONE front-end to interact with, defaults to "localhost".
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* @param socket the socket where ONE listen to, defaults to 2633.
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*/
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OneClient(string oneurl="localhost",unsigned int socket=2633)
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{
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ostringstream oss;
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oss << "http://" << oneurl << ":" << socket << "/RPC2";
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url=oss.str();
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session = "oneclient";
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};
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~OneClient(){};
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/* ---------------------------------------------------------------------- */
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/* ONE Virtual Machine Methods */
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/* ---------------------------------------------------------------------- */
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/**
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* Add a new VM to the VM pool and starts it.
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* @param template_file path, description of the Virtual Machine template
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* @param vmid, the id of the new VM
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int allocate(string template_file, int& vmid, string& error);
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/**
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* Deploys the virtual machine "vmid" into the host "hid".
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* @param vmid the virtual machine to deploy.
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* @param hid the host id to deploy the VM.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int deploy(int vmid, int hid, string& error);
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/**
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* Migrate the virtual machine "vmid" to the host "hid".
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* @param vmid the virtual machine to migrate.
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* @param hid the destination host.
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* @param live try a "live migration".
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int migrate(int vmid, int hid, bool live, string& error);
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/**
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* Shutdown a virtual machine.
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* @param vmid the vm identifier to shutdown.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int shutdown(int vmid, string& error)
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{
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return action(vmid,"shutdown",error);
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};
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/**
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* Sets a VM to hold, scheduler will not deploy it.
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* @param vmid the vm identifier to hold.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int hold(int vmid, string& error)
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{
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return action(vmid,"hold",error);
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};
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/**
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* Release a VM from hold state.
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* @param vmid the vm identifier to release.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int release(int vmid, string& error)
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{
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return action(vmid,"release",error);
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};
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/**
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* Stop a running VM
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* @param vmid the vm identifier to stop.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int stop(int vmid, string& error)
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{
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return action(vmid,"stop",error);
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};
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/**
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* Saves a running VM
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* @param vmid the vm identifier to suspend.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int suspend(int vmid, string& error)
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{
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return action(vmid,"suspend",error);
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};
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/**
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* Resumes the execution of a saved VM
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* @param vmid the vm identifier to resume.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int resume(int vmid, string& error)
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{
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return action(vmid,"resume",error);
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};
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/**
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* Gets information on a virtual machine
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* @param vmid the vm identifier.
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* @param info the VM information
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int info(int vmid, string& info, string& error);
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/* ---------------------------------------------------------------------- */
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/* ONE Host Methods */
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/* ---------------------------------------------------------------------- */
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/**
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* Gets system info from a single host ( "hid" ).
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* @param hid the host id to get for information
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int host_info(int hid, string& info, string& error);
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/**
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* Removes a host from the pool
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* @param hid the host id to remove
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int host_delete(int hid, string& error);
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/**
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* Enables a given host.
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* @param hid the host id to enable.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int host_enable(int hid, string& error)
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{
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return host_available(hid,true,error);
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};
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/**
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* Disables a given host.
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* @param hid the host id to disable.
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int host_disable(int hid, string& error)
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{
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return host_available(hid,false,error);
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};
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/**
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* Adds a new Host to the Pool
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* @param name hostname of the host to add
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* @param im_mad the name of the information driver, from oned.conf
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* @param vmm_mad the name of the virtual machine manager driver, from oned.conf
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* @param error if an error occurs this is the error message
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* @return -1 if an error occurs, 0 on success.
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*/
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int host_allocate(string& name,
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string& im_mad,
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string& vmm_mad,
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int& hid,
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string& error);
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private:
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/**
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* URl - url to connect to ONE.
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*/
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string url;
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/**
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* Session - Client session id
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*/
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string session;
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/**
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* Submits an action to be performed on a VM.
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* @param vmid the VM id.
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* @param action the "transition" to execute.
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* @param error if an error occurs this is error message.
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* @return -1 if an error occurs, otherwise 0.
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*/
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int action(int vmid, const char * action, string& error);
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/**
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* Enables or disables a given host.
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* @param hid the host id to enable/disable.
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* @param enable true to enavle the target host.
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* @param error if an error occurs this is error message.
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* @return -1 if an error occurs, otherwise "0".
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*/
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int host_available(int hid, bool enable, string& error);
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};
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extern "C"
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{
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void c_oneStart();
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int c_oneDeploy(int vmid, int hid);
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int c_oneMigrate(int vmid, int hid, int flag);
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int c_oneAllocate(char* vm_template);
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int c_oneAction(int vmid,char* action);
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int c_oneShutdown(int vmid);
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int c_oneSuspend(int vmid);
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int c_oneStop(int vmid);
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int c_oneResume(int vmid);
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int c_oneVmInfo(int vmid, char* ret_info,int leng);
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void c_oneFree();
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}
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#endif /*ONECLIENT_H_*/
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