343 строки
11 KiB
C
343 строки
11 KiB
C
/*
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* Copyright (c) 2004-2007 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2009 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <comutil.h>
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#include <errno.h>
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#include <string.h>
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#include "opal/util/output.h"
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#include "orte/util/show_help.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/ras/base/ras_private.h"
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#include "ras_ccp.h"
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/* Import the Windows CCP API. */
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#import "ccpapi.tlb" named_guids no_namespace raw_interfaces_only \
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rename("SetEnvironmentVariable","SetEnvVar") \
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rename("GetJob", "GetSingleJob") \
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rename("AddJob", "AddSingleJob")
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/* Include the library for ::ConvertBSTRToString */
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#pragma comment(lib, "comsuppw.lib")
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/*
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* Local functions
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*/
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static int orte_ras_ccp_allocate(opal_list_t *nodes);
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static int orte_ras_ccp_finalize(void);
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static int discover(opal_list_t* nodelist, ICluster* pCluster);
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void ras_get_cluster_message(ICluster* pCluster);
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/*
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* Local variables
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*/
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orte_ras_base_module_t orte_ras_ccp_module = {
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orte_ras_ccp_allocate,
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orte_ras_ccp_finalize
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};
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/**
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* Discover available (pre-allocated) nodes. Allocate the
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* requested number of nodes/process slots to the job.
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*/
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static int orte_ras_ccp_allocate(opal_list_t *nodes)
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{
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int ret, i;
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size_t len;
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char *cluster_head = NULL;
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HRESULT hr = S_OK;
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ICluster* pCluster = NULL;
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/* CCP is not thread safe. Use the apartment model. */
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CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
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/* Create the Cluster object. */
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hr = CoCreateInstance( __uuidof(Cluster),
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NULL,
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CLSCTX_INPROC_SERVER,
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__uuidof(ICluster),
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reinterpret_cast<void **> (&pCluster) );
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if (FAILED(hr)) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate: failed to create cluster object!"));
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return ORTE_ERROR;
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}
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if(NULL == orte_ccp_headnode) {
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/* Get the cluster head nodes name */
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_dupenv_s(&cluster_head, &len, "LOGONSERVER");
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if(cluster_head == NULL) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate: connot find cluster head node!"));
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return ORTE_ERROR;
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}
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/* Get rid of the beginning '//'. */
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for( i = 0; i < len - 2; i++){
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cluster_head[i] = cluster_head[i+2];
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cluster_head[i+2] = '\0';
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}
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} else {
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cluster_head = orte_ccp_headnode;
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}
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/* Connect to the cluster's head node */
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hr = pCluster->Connect(_bstr_t(cluster_head));
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if (FAILED(hr)) {
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ras_get_cluster_message(pCluster);
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate: connection failed!"));
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return ORTE_ERROR;
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}
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if (ORTE_SUCCESS != (ret = discover(nodes, pCluster))) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate: discover failed!"));
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return ret;
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}
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/* in the CCP world, if we didn't find anything, then this
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* is an unrecoverable error - report it
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*/
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if (opal_list_is_empty(nodes)) {
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orte_show_help("help-ras-ccp.txt", "no-nodes-found", true);
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return ORTE_ERR_NOT_FOUND;
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}
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/* All finished, release cluster object*/
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pCluster->Release();
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CoUninitialize();
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return ret;
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}
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/*
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* There's really nothing to do here
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*/
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static int orte_ras_ccp_finalize(void)
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{
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:finalize: success (nothing to do)"));
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return ORTE_SUCCESS;
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}
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/**
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* Discover the available resources. Obtain directly from head node
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*
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* - validate any Windows Cluster nodes
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* - check for additional nodes that have already been allocated
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*/
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static int discover(opal_list_t* nodelist, ICluster* pCluster)
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{
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int ret = ORTE_ERROR;
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int32_t nodeid;
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orte_node_t *node;
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opal_list_item_t* item;
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opal_list_t new_nodes;
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struct timeval start, stop;
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HRESULT hr = S_OK;
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long idle_processors = 0;
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IClusterEnumerable* pNodesCollection = NULL;
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IEnumVARIANT* pNodes = NULL;
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INode* pNode = NULL;
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BSTR node_name = NULL, node_arch = NULL;
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VARIANT var;
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NodeStatus Status;
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size_t len;
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/* check for timing request - get start time if so */
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if (orte_timing) {
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gettimeofday(&start, NULL);
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}
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/* Get the collection of nodes. */
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hr = pCluster->get_ComputeNodes(&pNodesCollection);
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if (FAILED(hr)) {
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ras_get_cluster_message(pCluster);
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:pCluster->get_ComputeNodes failed."));
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return ORTE_ERROR;
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}
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/* Get the enumerator used to iterate through the collection. */
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hr = pNodesCollection->GetEnumerator(&pNodes);
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if (FAILED(hr)) {
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ras_get_cluster_message(pCluster);
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:pNodesCollection->GetEnumerator failed."));
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return ORTE_ERROR;
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}
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VariantInit(&var);
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/* Construct new node list. */
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OBJ_CONSTRUCT(&new_nodes, opal_list_t);
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nodeid=0;
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/* Loop through the collection. */
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while (hr = pNodes->Next(1, &var, NULL) == S_OK) {
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var.pdispVal->QueryInterface(IID_INode, reinterpret_cast<void **> (&pNode));
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/* Check wether the node is ready.
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* There are four states:
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* NodeStatus_Ready = 0,
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* NodeStatus_Paused = 1,
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* NodeStatus_Unreachable = 2, probably not a windows cluster node.
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* NodeStatus_PendingApproval = 3
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*/
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hr = pNode->get_Status(&Status);
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if (FAILED(hr)) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:pNode->get_Status failed."));
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ret = ORTE_ERROR;
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goto cleanup;
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}
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/* Get available number of processors on each node. */
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hr = pNode->get_NumberOfIdleProcessors(&idle_processors);
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if (FAILED(hr)) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:pNode->get_NumberOfIdleProcessors failed."));
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ret = ORTE_ERROR;
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goto cleanup;
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}
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/* Do we have enough processors on the available nodes?
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* Question: How do we get the required number of processors?
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*/
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if ( (Status == NodeStatus_Ready) && (idle_processors > 0) ) {
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/* Get node name. */
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hr = pNode->get_Name(&node_name);
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if (FAILED(hr)) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:pNode->get_Name failed."));
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ret = ORTE_ERROR;
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goto cleanup;
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}
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/* Get node processor architecture. */
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hr = pNode->get_ProcessorArchitecture(&node_arch);
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if (FAILED(hr)) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:pNode->get_ProcessorArchitecture failed."));
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ret = ORTE_ERROR;
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goto cleanup;
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}
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/* Prevent duplicated nodes in the list*/
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for (item = opal_list_get_first(&new_nodes);
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opal_list_get_end(&new_nodes) != item;
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item = opal_list_get_next(item)) {
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node = (orte_node_t*) item;
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if (0 == strcmp(node->name, (char *)node_name)) {
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++node->slots;
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate:discover: found -- bumped slots to %d",
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node->slots));
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break;
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}
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}
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/* Did we find it? */
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if (opal_list_get_end(&new_nodes) == item) {
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/* Nope -- didn't find it, so add a new item to the list */
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate:discover: not found -- added to list"));
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node = OBJ_NEW(orte_node_t);
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/* The function _dupenv_s is much safer than getenv on Windows. */
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_dupenv_s(&node->username, &len, "username");
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node->name = _com_util::ConvertBSTRToString(node_name);
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node->launch_id = nodeid;
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node->slots_inuse = 0;
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node->slots_max = 0;
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node->slots = 1;
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opal_list_append(nodelist, &node->super);
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}
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/* up the nodeid */
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nodeid++;
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}
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pNode->Release();
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VariantClear(&var);
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}
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pNodes->Release();
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if (nodeid > 0) ret = ORTE_SUCCESS;
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/* All done */
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cleanup:
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if (ORTE_SUCCESS == ret) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate:discover: success"));
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} else {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"ras:ccp:allocate:discover: failed (rc=%d)", ret));
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}
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OBJ_DESTRUCT(&new_nodes);
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SysFreeString(node_name);
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SysFreeString(node_arch);
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/* check for timing request - get stop time and report elapsed time if so */
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if (orte_timing) {
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gettimeofday(&stop, NULL);
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opal_output(0, "ras_ccp: time to allocate is %ld usec",
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(long int)((stop.tv_sec - start.tv_sec)*1000000 +
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(stop.tv_usec - start.tv_usec)));
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gettimeofday(&start, NULL);
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}
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return ret;
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}
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void ras_get_cluster_message(ICluster* pCluster)
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{
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HRESULT hr = S_OK;
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BSTR message = NULL;
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hr = pCluster->get_ErrorMessage(&message);
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if (SUCCEEDED(hr)) {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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_com_util::ConvertBSTRToString(message)));
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SysFreeString(message);
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}
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else {
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OPAL_OUTPUT_VERBOSE((1, orte_ras_base.ras_output,
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"pCluster->get_ErrorMessage failed.\n"));
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}
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}
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