| 1 | /*
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| 2 | samba -- Unix SMB/CIFS implementation.
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| 3 | Copyright (C) 2002 by Martin Pool
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 3 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 17 | */
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| 18 |
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| 19 | #include "includes.h"
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| 20 |
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| 21 | /**
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| 22 | * @file dmallocmsg.c
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| 23 | *
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| 24 | * Glue code to cause dmalloc info to come out when we receive a prod
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| 25 | * over samba messaging.
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| 26 | **/
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| 27 |
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| 28 | #ifdef ENABLE_DMALLOC
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| 29 | static unsigned long our_dm_mark = 0;
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| 30 | #endif /* ENABLE_DMALLOC */
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| 31 |
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| 32 |
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| 33 | /**
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| 34 | * Respond to a POOL_USAGE message by sending back string form of memory
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| 35 | * usage stats.
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| 36 | **/
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| 37 | static void msg_req_dmalloc_mark(struct messaging_context *msg,
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| 38 | void *private_data,
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| 39 | uint32_t msg_type,
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| 40 | struct server_id server_id,
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| 41 | DATA_BLOB *data)
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| 42 | {
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| 43 | #ifdef ENABLE_DMALLOC
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| 44 | our_dm_mark = dmalloc_mark();
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| 45 | DEBUG(2,("Got MSG_REQ_DMALLOC_MARK: mark set\n"));
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| 46 | #else
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| 47 | DEBUG(2,("Got MSG_REQ_DMALLOC_MARK but dmalloc not in this process\n"));
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| 48 | #endif
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| 49 | }
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| 50 |
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| 51 |
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| 52 |
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| 53 | static void msg_req_dmalloc_log_changed(struct messaging_context *msg,
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| 54 | void *private_data,
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| 55 | uint32_t msg_type,
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| 56 | struct server_id server_id,
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| 57 | DATA_BLOB *data)
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| 58 | {
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| 59 | #ifdef ENABLE_DMALLOC
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| 60 | dmalloc_log_changed(our_dm_mark, True, True, True);
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| 61 | DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED: done\n"));
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| 62 | #else
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| 63 | DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED but dmalloc not in this process\n"));
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| 64 | #endif
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| 65 | }
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| 66 |
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| 67 |
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| 68 | /**
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| 69 | * Register handler for MSG_REQ_POOL_USAGE
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| 70 | **/
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| 71 | void register_dmalloc_msgs(struct messaging_context *msg_ctx)
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| 72 | {
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| 73 | messaging_register(msg_ctx, NULL, MSG_REQ_DMALLOC_MARK,
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| 74 | msg_req_dmalloc_mark);
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| 75 | messaging_register(msg_ctx, NULL, MSG_REQ_DMALLOC_LOG_CHANGED,
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| 76 | msg_req_dmalloc_log_changed);
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| 77 | DEBUG(2, ("Registered MSG_REQ_DMALLOC_MARK and LOG_CHANGED\n"));
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| 78 | }
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