85 строки
3.9 KiB
C
85 строки
3.9 KiB
C
/*
|
|
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2007 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#ifndef MCA_BTL_TCP_ENDPOINT_H
|
|
#define MCA_BTL_TCP_ENDPOINT_H
|
|
|
|
#include "opal/class/opal_list.h"
|
|
#include "opal/mca/event/event.h"
|
|
#include "btl_tcp2_frag.h"
|
|
#include "btl_tcp2.h"
|
|
BEGIN_C_DECLS
|
|
|
|
#define MCA_BTL_TCP_ENDPOINT_CACHE 1
|
|
|
|
/**
|
|
* State of TCP endpoint connection.
|
|
*/
|
|
|
|
typedef enum {
|
|
MCA_BTL_TCP_CONNECTING = 0,
|
|
MCA_BTL_TCP_CONNECT_ACK,
|
|
MCA_BTL_TCP_CLOSED,
|
|
MCA_BTL_TCP_FAILED,
|
|
MCA_BTL_TCP_CONNECTED
|
|
} mca_btl_tcp2_state_t;
|
|
|
|
/**
|
|
* An abstraction that represents a connection to a endpoint process.
|
|
* An instance of mca_btl_base_endpoint_t is associated w/ each process
|
|
* and BTL pair at startup. However, connections to the endpoint
|
|
* are established dynamically on an as-needed basis:
|
|
*/
|
|
|
|
struct mca_btl_base_endpoint_t {
|
|
opal_list_item_t super;
|
|
struct mca_btl_tcp2_module_t* endpoint_btl; /**< BTL instance that created this connection */
|
|
struct mca_btl_tcp2_proc_t* endpoint_proc; /**< proc structure corresponding to endpoint */
|
|
struct mca_btl_tcp2_addr_t* endpoint_addr; /**< address of endpoint */
|
|
int endpoint_sd; /**< socket connection to endpoint */
|
|
#if MCA_BTL_TCP_ENDPOINT_CACHE
|
|
char* endpoint_cache; /**< cache for the recv (reduce the number of recv syscall) */
|
|
char* endpoint_cache_pos; /**< current position in the cache */
|
|
size_t endpoint_cache_length; /**< length of the data in the cache */
|
|
#endif /* MCA_BTL_TCP_ENDPOINT_CACHE */
|
|
struct mca_btl_tcp2_frag_t* endpoint_send_frag; /**< current send frag being processed */
|
|
struct mca_btl_tcp2_frag_t* endpoint_recv_frag; /**< current recv frag being processed */
|
|
mca_btl_tcp2_state_t endpoint_state; /**< current state of the connection */
|
|
size_t endpoint_retries; /**< number of connection retries attempted */
|
|
opal_list_t endpoint_frags; /**< list of pending frags to send */
|
|
opal_mutex_t endpoint_send_lock; /**< lock for concurrent access to endpoint state */
|
|
opal_mutex_t endpoint_recv_lock; /**< lock for concurrent access to endpoint state */
|
|
opal_event_t endpoint_send_event; /**< event for async processing of send frags */
|
|
opal_event_t endpoint_recv_event; /**< event for async processing of recv frags */
|
|
bool endpoint_nbo; /**< convert headers to network byte order? */
|
|
};
|
|
|
|
typedef struct mca_btl_base_endpoint_t mca_btl_base_endpoint_t;
|
|
typedef mca_btl_base_endpoint_t mca_btl_tcp2_endpoint_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_tcp2_endpoint_t);
|
|
|
|
void mca_btl_tcp2_set_socket_options(int sd);
|
|
void mca_btl_tcp2_endpoint_close(mca_btl_base_endpoint_t*);
|
|
int mca_btl_tcp2_endpoint_send(mca_btl_base_endpoint_t*, struct mca_btl_tcp2_frag_t*);
|
|
bool mca_btl_tcp2_endpoint_accept(mca_btl_base_endpoint_t*, struct sockaddr*, int);
|
|
void mca_btl_tcp2_endpoint_shutdown(mca_btl_base_endpoint_t*);
|
|
|
|
END_C_DECLS
|
|
#endif
|