115 строки
3.0 KiB
C
115 строки
3.0 KiB
C
/*
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* Copyright (c) 2009 Cisco Systems, Inc. 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 "opal/mca/base/base.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "orte/util/proc_info.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/rml/rml_types.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/iof/base/base.h"
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#include "rmcast_udp.h"
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/*
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* Local functions
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*/
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static int orte_rmcast_udp_open(void);
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static int orte_rmcast_udp_close(void);
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static int orte_rmcast_udp_query(mca_base_module_t **module, int *priority);
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/*
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* Local variables
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*/
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static bool initialized = false;
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int orte_rmcast_udp_sndbuf_size;
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int orte_rmcast_udp_rcvbuf_size;
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/*
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* Public string showing the rmcast udp component version number
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*/
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const char *mca_rmcast_udp_component_version_string =
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"Open MPI udp rmcast MCA component version " ORTE_VERSION;
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orte_rmcast_base_component_t mca_rmcast_udp_component = {
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{
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ORTE_RMCAST_BASE_VERSION_1_0_0,
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"udp", /* MCA component name */
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ORTE_MAJOR_VERSION, /* MCA component major version */
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ORTE_MINOR_VERSION, /* MCA component minor version */
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ORTE_RELEASE_VERSION, /* MCA component release version */
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/* Component open, close, and query functions */
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orte_rmcast_udp_open,
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orte_rmcast_udp_close,
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orte_rmcast_udp_query
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},
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{
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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}
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};
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/**
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* component open/close/init function
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*/
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static int orte_rmcast_udp_open(void)
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{
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mca_base_component_t *c = &mca_rmcast_udp_component.version;
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int value;
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mca_base_param_reg_int(c, "sndbuf_size",
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"Size of send buffer in Kbytes (must be > 0)",
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false, false,
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ORTE_RMCAST_UDP_DEFAULT_SNDBUF_SIZE, &value);
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if (ORTE_RMCAST_UDP_DEFAULT_SNDBUF_SIZE != value) {
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orte_rmcast_udp_sndbuf_size = 1024*value;
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} else {
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orte_rmcast_udp_sndbuf_size = ORTE_RMCAST_UDP_DEFAULT_SNDBUF_SIZE;
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}
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orte_rmcast_udp_rcvbuf_size = 16 * orte_rmcast_udp_sndbuf_size;
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mca_base_param_reg_int(c, "rcvbuf_size",
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"Size of recv buffer in Kbytes (default: 16xsndbuf)",
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false, false,
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orte_rmcast_udp_rcvbuf_size, &value);
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if (value != orte_rmcast_udp_rcvbuf_size) {
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orte_rmcast_udp_rcvbuf_size = 1024 * value;
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}
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return ORTE_SUCCESS;
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}
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static int orte_rmcast_udp_close(void)
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{
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return ORTE_SUCCESS;
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}
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/**
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* Module query
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*/
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static int orte_rmcast_udp_query(mca_base_module_t **module, int *priority)
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{
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/* selected by default */
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*priority = 100;
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*module = (mca_base_module_t *) &orte_rmcast_udp_module;
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initialized = true;
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return ORTE_SUCCESS;
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}
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