276 строки
6.2 KiB
C
276 строки
6.2 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* 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 "ompi_config.h"
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include "include/constants.h"
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#include "opal/util/output.h"
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#include "mca/iof/iof.h"
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#include "mca/rml/rml.h"
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#include "mca/rml/rml_types.h"
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#include "mca/iof/iof.h"
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#include "mca/iof/base/base.h"
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#include "mca/iof/base/iof_base_endpoint.h"
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#include "mca/errmgr/errmgr.h"
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#include "iof_proxy.h"
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#include "iof_proxy_svc.h"
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orte_iof_base_module_t orte_iof_proxy_module = {
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orte_iof_proxy_publish,
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orte_iof_proxy_unpublish,
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orte_iof_proxy_push,
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orte_iof_proxy_pull,
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orte_iof_proxy_subscribe,
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orte_iof_proxy_unsubscribe,
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orte_iof_base_flush
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};
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/**
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* Publish a local file descriptor as an endpoint that is logically
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* associated with the specified process name (e.g. master side of a
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* pipe/pty connected to a child process)
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*
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* @param name
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* @param mode
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* @param tag
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* @param fd
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*
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*/
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int orte_iof_proxy_publish(
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const orte_process_name_t* name,
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orte_iof_base_mode_t mode,
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orte_iof_base_tag_t tag,
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int fd)
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{
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int rc;
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if(mca_iof_proxy_component.proxy_debug > 1) {
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char* name_str;
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orte_ns.get_proc_name_string(&name_str, name);
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opal_output(0, "orte_iof_proxy_publish(%s,%d,%d,%d)\n", name_str, mode, tag, fd);
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free(name_str);
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}
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/* publish to server */
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if(mode == ORTE_IOF_SINK) {
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rc = orte_iof_proxy_svc_publish(name,tag);
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if(rc != ORTE_SUCCESS)
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return rc;
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}
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/* setup a local endpoint to reflect registration */
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rc = orte_iof_base_endpoint_create(
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name,
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mode,
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tag,
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fd);
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return rc;
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}
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/**
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* Remove all registrations matching the specified process
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* name, mask and tag values.
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*
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* @param name
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* @param mask
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* @param tag
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*
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*/
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int orte_iof_proxy_unpublish(
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const orte_process_name_t* name,
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orte_ns_cmp_bitmask_t mask,
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orte_iof_base_tag_t tag)
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{
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int rc;
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/* cleanup server */
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orte_iof_proxy_svc_unpublish(
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name,
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mask,
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tag);
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/* setup a local endpoint to reflect registration */
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rc = orte_iof_base_endpoint_delete(
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name,
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mask,
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tag);
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return rc;
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}
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/**
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* Explicitly push data from the specified file descriptor
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* to the indicated set of peers.
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*
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* @param dst_name Name used to qualify set of peers.
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* @param dst_mask Mask that specified how name is interpreted.
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* @param dst_tag Match a specific peer endpoint.
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* @param fd Local file descriptor.
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*/
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int orte_iof_proxy_push(
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const orte_process_name_t* dst_name,
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orte_ns_cmp_bitmask_t dst_mask,
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orte_iof_base_tag_t dst_tag,
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int fd)
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{
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int rc;
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/* send a subscription to server on behalf of the destination */
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rc = orte_iof_proxy_svc_subscribe(
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ORTE_RML_NAME_SELF,
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ORTE_NS_CMP_ALL,
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dst_tag,
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dst_name,
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dst_mask,
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dst_tag
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);
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if(rc != ORTE_SUCCESS)
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return rc;
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/* setup a local endpoint to reflect registration */
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rc = orte_iof_base_endpoint_create(
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ORTE_RML_NAME_SELF,
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ORTE_IOF_SOURCE,
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dst_tag,
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fd);
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return rc;
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}
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/**
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* Explicitly pull data from the specified set of peers
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* and dump to the indicated file descriptor.
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*
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* @param dst_name Name used to qualify set of peers.
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* @param dst_mask Mask that specified how name is interpreted.
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* @param dst_tag Match a specific peer endpoint.
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* @param fd Local file descriptor.
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*/
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int orte_iof_proxy_pull(
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const orte_process_name_t* src_name,
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orte_ns_cmp_bitmask_t src_mask,
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orte_iof_base_tag_t src_tag,
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int fd)
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{
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/* setup a local endpoint */
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int rc;
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rc = orte_iof_base_endpoint_create(
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ORTE_RML_NAME_SELF,
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ORTE_IOF_SINK,
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src_tag,
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fd);
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if(rc != ORTE_SUCCESS) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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/* publish this endpoint */
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rc = orte_iof_proxy_svc_publish(
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ORTE_RML_NAME_SELF,
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src_tag);
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if(rc != ORTE_SUCCESS) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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/* subscribe to peer */
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rc = orte_iof_proxy_svc_subscribe(
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src_name,
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src_mask,
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src_tag,
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ORTE_RML_NAME_SELF,
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ORTE_NS_CMP_ALL,
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src_tag);
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if(rc != ORTE_SUCCESS) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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return rc;
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}
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/**
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* Setup buffering for a specified set of endpoints.
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*/
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int orte_iof_proxy_buffer(
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const orte_process_name_t* src_name,
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orte_ns_cmp_bitmask_t src_mask,
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orte_iof_base_tag_t src_tag,
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size_t buffer_size)
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{
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return ORTE_ERROR;
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}
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/*
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* Subscribe to receive a callback on receipt of data
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* from a specified set of peers.
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*/
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int orte_iof_proxy_subscribe(
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const orte_process_name_t* src_name,
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orte_ns_cmp_bitmask_t src_mask,
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orte_iof_base_tag_t src_tag,
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orte_iof_base_callback_fn_t cb,
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void* cbdata)
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{
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int rc;
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/* create a local registration to reflect the callback */
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/* send a subscription message to the service */
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rc = orte_iof_proxy_svc_subscribe(
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src_name,
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src_mask,
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src_tag,
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ORTE_RML_NAME_SELF,
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ORTE_NS_CMP_ALL,
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src_tag);
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return rc;
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}
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int orte_iof_proxy_unsubscribe(
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const orte_process_name_t* src_name,
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orte_ns_cmp_bitmask_t src_mask,
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orte_iof_base_tag_t src_tag)
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{
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int rc;
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/* send an unsubscribe message to the service */
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rc = orte_iof_proxy_svc_unsubscribe(
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src_name,
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src_mask,
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src_tag,
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ORTE_RML_NAME_SELF,
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ORTE_NS_CMP_ALL,
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src_tag);
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/* remove local callback */
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return ORTE_ERROR;
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}
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