| 1 |
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| 2 | |
| 3 | *******************************************************************************
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| 4 | **
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| 5 | ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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| 6 | ** Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
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| 7 | **
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| 8 | **
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| 9 | *******************************************************************************
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| 10 | *****************************************************************************
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| 11 |
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| 12 | #ifndef __LOWCOMMS_DOT_H__
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| 13 | #define __LOWCOMMS_DOT_H__
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| 14 |
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| 15 | #include "dlm_internal.h"
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| 16 |
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| 17 | #define DLM_MIDCOMMS_OPT_LEN sizeof(struct dlm_opts)
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| 18 | #define DLM_MAX_APP_BUFSIZE (DLM_MAX_SOCKET_BUFSIZE - \
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| 19 | DLM_MIDCOMMS_OPT_LEN)
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| 20 |
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| 21 | #define CONN_HASH_SIZE 32
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| 22 |
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| 23 | |
| 24 | * sequential nodeids, so we should be able to go straight to a connection
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| 25 | * struct in the array
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| 26 |
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| 27 | static inline int nodeid_hash(int nodeid)
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| 28 | {
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| 29 | return nodeid & (CONN_HASH_SIZE-1);
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| 30 | }
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| 31 |
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| 32 |
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| 33 | bool dlm_lowcomms_is_running(void);
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| 34 |
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| 35 | int dlm_lowcomms_start(void);
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| 36 | void dlm_lowcomms_shutdown(void);
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| 37 | void dlm_lowcomms_shutdown_node(int nodeid, bool force);
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| 38 | void dlm_lowcomms_stop(void);
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| 39 | void dlm_lowcomms_init(void);
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| 40 | void dlm_lowcomms_exit(void);
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| 41 | int dlm_lowcomms_close(int nodeid);
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| 42 | struct dlm_msg *dlm_lowcomms_new_msg(int nodeid, int len, char **ppc,
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| 43 | void (*cb)(void *data), void *data);
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| 44 | void dlm_lowcomms_commit_msg(struct dlm_msg *msg);
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| 45 | void dlm_lowcomms_put_msg(struct dlm_msg *msg);
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| 46 | int dlm_lowcomms_resend_msg(struct dlm_msg *msg);
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| 47 | int dlm_lowcomms_connect_node(int nodeid);
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| 48 | int dlm_lowcomms_nodes_set_mark(int nodeid, unsigned int mark);
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| 49 | int dlm_lowcomms_addr(int nodeid, struct sockaddr_storage *addr);
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| 50 | void dlm_midcomms_receive_done(int nodeid);
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| 51 | struct kmem_cache *dlm_lowcomms_writequeue_cache_create(void);
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| 52 | struct kmem_cache *dlm_lowcomms_msg_cache_create(void);
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| 53 |
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| 54 | #endif
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| 55 |
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