/* * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2011 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. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #ifndef MCA_BTL_SCTP_PROC_H #define MCA_BTL_SCTP_PROC_H #include "opal/class/opal_object.h" #include "ompi/proc/proc.h" #include "btl_sctp.h" #include "btl_sctp_addr.h" #include "btl_sctp_endpoint.h" #include BEGIN_C_DECLS /** * Represents the state of a remote process and the set of addresses * that it exports. Also cache an instance of mca_btl_base_endpoint_t for * each * BTL instance that attempts to open a connection to the process. */ struct mca_btl_sctp_proc_t { opal_list_item_t super; /**< allow proc to be placed on a list */ ompi_proc_t *proc_ompi; /**< pointer to corresponding ompi_proc_t */ struct mca_btl_sctp_addr_t* proc_addrs; /**< array of addresses exported by peer */ size_t proc_addr_count; /**< number of addresses published by endpoint */ struct mca_btl_base_endpoint_t **proc_endpoints; /**< array of endpoints that have been created to access this proc */ size_t proc_endpoint_count; /**< number of endpoints */ opal_mutex_t proc_lock; /**< lock to protect against concurrent access to proc state */ }; typedef struct mca_btl_sctp_proc_t mca_btl_sctp_proc_t; OBJ_CLASS_DECLARATION(mca_btl_sctp_proc_t); mca_btl_sctp_proc_t* mca_btl_sctp_proc_create(ompi_proc_t* ompi_proc); mca_btl_sctp_proc_t* mca_btl_sctp_proc_lookup(const orte_process_name_t* name); int mca_btl_sctp_proc_insert(mca_btl_sctp_proc_t*, mca_btl_base_endpoint_t*); int mca_btl_sctp_proc_remove(mca_btl_sctp_proc_t*, mca_btl_base_endpoint_t*); bool mca_btl_sctp_proc_accept(mca_btl_sctp_proc_t*, struct sockaddr_in*, int); /** * Inlined function to return local SCTP proc instance. */ static inline mca_btl_sctp_proc_t* mca_btl_sctp_proc_local(void) { if(NULL == mca_btl_sctp_component.sctp_local) { mca_btl_sctp_component.sctp_local = mca_btl_sctp_proc_create(ompi_proc_local()); } return mca_btl_sctp_component.sctp_local; } enum { INVALID_ENTRY = 0, VALID_ENTRY = 1 }; /* Table of procs indexed by SCTP association id used by the receiver to * identify senders. It is initialized to 0 in mca_btl_sctp_component_init(). * NOTE: 256 matches the size of the proc hash_table */ #define MCA_BTL_SCTP_PROC_TABLE_SIZE 256 struct mca_btl_sctp_proc_table_node { int valid; sctp_assoc_t sctp_assoc_id; orte_vpid_t vpid; struct mca_btl_sctp_proc_t *proc; }; typedef struct mca_btl_sctp_proc_table_node mca_btl_sctp_proc_table_node; extern struct mca_btl_sctp_proc_table_node *recvr_proc_table; extern struct mca_btl_sctp_proc_table_node *sender_proc_table; int mca_btl_sctp_proc_check_vpid(orte_vpid_t vpid, struct mca_btl_sctp_proc_table_node *table); int mca_btl_sctp_proc_check_assoc_id(sctp_assoc_t id, struct mca_btl_sctp_proc_table_node *table); void mca_btl_sctp_proc_add_vpid(orte_vpid_t vpid, struct mca_btl_sctp_proc_t *proc, struct mca_btl_sctp_proc_table_node *table); void mca_btl_sctp_proc_add_assoc_id(sctp_assoc_t id, struct mca_btl_sctp_proc_t *proc, struct mca_btl_sctp_proc_table_node *table); mca_btl_sctp_proc_t *mca_btl_sctp_proc_get(sctp_assoc_t id, struct mca_btl_sctp_proc_table_node *table); END_C_DECLS #endif