87 строки
2.3 KiB
C
87 строки
2.3 KiB
C
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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 "mca/ns/ns.h"
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#include "class/ompi_list.h"
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#include <netinet/in.h>
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#include "threads/mutex.h"
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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_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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* tcp interface
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*/
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struct mca_oob_tcp_addr_t {
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int ifindex; /**< oob interface index */
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struct sockaddr_in ifaddr; /**< oob interface address */
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struct sockaddr_in ifmask; /**< oob interface netmask */
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};
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typedef struct mca_oob_tcp_addr_t mca_oob_tcp_addr_t;
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/**
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* This structire describes a peer
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*/
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struct mca_oob_tcp_peer_t {
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ompi_list_item_t super; /**< allow this to be on a list */
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ompi_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_sd; /**< socket descriptor of the connection */
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mca_oob_tcp_addr_t peer_addr; /**< the address of the peer process */
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ompi_mutex_t peer_lock; /**< make sure only one thread accesses it at a time */
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ompi_list_t peer_send; /**< list of items to send */
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ompi_list_t peer_recieved; /**< list of items to recieve */
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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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* The function to compare 2 peers. Used for the rb tree
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*
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* @param peer1 the first peer
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* @param peer2 the second peer
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*
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* @retval <0 if peer1 < peer2
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* @retval >0 if peer1 > peer2
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* @retval 0 if peer1 == peer2
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*/
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int mca_oob_tcp_peer_comp(void * key1, void * key2);
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/**
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* Creates a peer structure and adds to the tree and list.
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*
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* @param peer_name the name of the peer
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*
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* @retval pointer to the 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_add_peer(ompi_process_name_t peer_name);
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/**
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* Deletes a peer structure from the tree and lists and frees its memory
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*
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* @param peer_name the name of the peer
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*
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* @retval OMPI_SUCCESS
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* @retval OMPI_ERROR
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*/
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int mca_oob_tcp_del_peer(ompi_process_name_t peer_name);
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#endif /* _MCA_OOB_TCP_PEER_H */
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