d70e2e8c2b
Remains to be tested to ensure everything came over cleanly, so please continue to withhold commits a little longer This commit was SVN r17632.
164 строки
5.1 KiB
C
164 строки
5.1 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 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) 2004-2005 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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/** @file:
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*
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* Contains the data structure which describes each connection
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*/
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#ifndef _MCA_OOB_TCP_PEER_H_
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#define _MCA_OOB_TCP_PEER_H_
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#include "orte_config.h"
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#include "orte/types.h"
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#include <string.h>
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#include "opal/class/opal_list.h"
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#include "opal/threads/mutex.h"
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#include "opal/event/event.h"
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#include "oob_tcp_msg.h"
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#include "oob_tcp_addr.h"
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BEGIN_C_DECLS
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/**
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* the state of the connection
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*/
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typedef enum {
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MCA_OOB_TCP_CLOSED,
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MCA_OOB_TCP_RESOLVE,
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MCA_OOB_TCP_CONNECTING,
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MCA_OOB_TCP_CONNECT_ACK,
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MCA_OOB_TCP_CONNECTED,
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MCA_OOB_TCP_FAILED
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} mca_oob_tcp_state_t;
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/**
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* This structure describes a peer
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*/
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struct mca_oob_tcp_peer_t {
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opal_free_list_item_t super; /**< allow this to be on a list */
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orte_process_name_t peer_name; /**< the name of the peer */
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mca_oob_tcp_state_t peer_state; /**< the state of the connection */
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int peer_retries; /**< number of times connection attempt has failed */
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mca_oob_tcp_addr_t* peer_addr; /**< the addresses of the peer process */
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int peer_sd; /**< socket descriptor of the connection */
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uint16_t peer_current_af; /**< currently connecting af */
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opal_event_t peer_send_event; /**< registration with event thread for send events */
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opal_event_t peer_recv_event; /**< registration with event thread for recv events */
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opal_event_t peer_timer_event; /**< timer for retrying connection failures */
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opal_mutex_t peer_lock; /**< protect critical data structures */
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opal_list_t peer_send_queue; /**< list of messages to send */
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mca_oob_tcp_msg_t *peer_send_msg; /**< current send in progress */
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mca_oob_tcp_msg_t *peer_recv_msg; /**< current recv in progress */
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};
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/**
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* Convenience Typedef
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*/
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typedef struct mca_oob_tcp_peer_t mca_oob_tcp_peer_t;
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/**
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* Get a new peer data structure
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*/
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#define MCA_OOB_TCP_PEER_ALLOC(peer, rc) \
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{ \
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opal_free_list_item_t* item; \
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OPAL_FREE_LIST_GET(&mca_oob_tcp_component.tcp_peer_free, item, rc); \
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peer = (mca_oob_tcp_peer_t*)item; \
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}
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/**
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* Return a peer data structure
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*/
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#define MCA_OOB_TCP_PEER_RETURN(peer) \
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{ \
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mca_oob_tcp_peer_shutdown(peer); \
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orte_hash_table_remove_proc(&mca_oob_tcp_component.tcp_peers, &peer->peer_name); \
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OPAL_FREE_LIST_RETURN(&mca_oob_tcp_component.tcp_peer_free, \
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&peer->super); \
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}
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/*
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* Class declaration.
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*/
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OBJ_CLASS_DECLARATION(mca_oob_tcp_peer_t);
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/**
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* Lookup a peer in the cache - if it doesn't exists
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* create one and cache it.
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*
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* @param peer_name the name of the peer
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* @retval pointer to the peer's (possibly newly created) struture
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* @retval NULL if there was a problem
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*/
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mca_oob_tcp_peer_t *mca_oob_tcp_peer_lookup(const orte_process_name_t* peer_name);
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/**
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* Start sending a message to the specified peer. The routine
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* can return before the send completes.
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*
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* @param peer The peer process.
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* @param msg The message to send.
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* @retval ORTE_SUCCESS or error code on failure.
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*/
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int mca_oob_tcp_peer_send(mca_oob_tcp_peer_t* peer, mca_oob_tcp_msg_t* msg);
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/**
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* Connection request for this peer. Check the status of our connection
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* before accepting the peers.
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*
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* @param peer The peer process.
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* @param sd Incoming connection request.
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*/
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bool mca_oob_tcp_peer_accept(mca_oob_tcp_peer_t* peer, int sd);
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/**
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* Cleanup/close the connection to the peer.
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*
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* @param peer The peer process.
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*/
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void mca_oob_tcp_peer_close(mca_oob_tcp_peer_t* peer);
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void mca_oob_tcp_peer_shutdown(mca_oob_tcp_peer_t* peer);
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/**
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* The peers address has been resolved.
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*/
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void mca_oob_tcp_peer_resolved(mca_oob_tcp_peer_t* peer, mca_oob_tcp_addr_t* addr);
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/*
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* Send the process identifier to the peer - so that
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* temporary names can be updated to actuals.
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*/
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int mca_oob_tcp_peer_send_ident(mca_oob_tcp_peer_t* peer);
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/*
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* Remove any references to the message from the peers send/recv queue.
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*/
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void mca_oob_tcp_peer_dequeue_msg(mca_oob_tcp_peer_t* peer, mca_oob_tcp_msg_t* msg);
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END_C_DECLS
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#endif /* _MCA_OOB_TCP_PEER_H */
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