2 samba -- Unix SMB/CIFS implementation.
3 Copyright (C) 2001, 2002 by Martin Pool
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 * Glue code between talloc profiling and the Samba messaging system.
28 struct msg_pool_usage_state {
35 static void msg_pool_usage_helper(const void *ptr, int depth, int max_depth, int is_ref, void *_s)
37 const char *name = talloc_get_name(ptr);
38 struct msg_pool_usage_state *state = (struct msg_pool_usage_state *)_s;
41 sprintf_append(state->mem_ctx, &state->s, &state->len, &state->buflen,
42 "%*sreference to: %s\n", depth*4, "", name);
47 sprintf_append(state->mem_ctx, &state->s, &state->len, &state->buflen,
48 "%stalloc report on '%s' (total %6lu bytes in %3lu blocks)\n",
49 (max_depth < 0 ? "full " :""), name,
50 (unsigned long)talloc_total_size(ptr),
51 (unsigned long)talloc_total_blocks(ptr));
55 if (strcmp(name, "char") == 0) {
57 * Print out the first 50 bytes of the string
59 sprintf_append(state->mem_ctx, &state->s, &state->len,
61 "%*s%-30s contains %6lu bytes in %3lu blocks "
62 "(ref %d): %*s\n", depth*4, "",
64 (unsigned long)talloc_total_size(ptr),
65 (unsigned long)talloc_total_blocks(ptr),
66 talloc_reference_count(ptr),
67 MIN(50, talloc_get_size(ptr)),
72 sprintf_append(state->mem_ctx, &state->s, &state->len, &state->buflen,
73 "%*s%-30s contains %6lu bytes in %3lu blocks (ref %d)\n",
76 (unsigned long)talloc_total_size(ptr),
77 (unsigned long)talloc_total_blocks(ptr),
78 talloc_reference_count(ptr));
82 * Respond to a POOL_USAGE message by sending back string form of memory
85 static void msg_pool_usage(struct messaging_context *msg_ctx,
91 struct msg_pool_usage_state state;
93 SMB_ASSERT(msg_type == MSG_REQ_POOL_USAGE);
95 DEBUG(2,("Got POOL_USAGE\n"));
97 state.mem_ctx = talloc_init("msg_pool_usage");
105 talloc_report_depth_cb(NULL, 0, -1, msg_pool_usage_helper, &state);
108 talloc_destroy(state.mem_ctx);
112 messaging_send_buf(msg_ctx, src, MSG_POOL_USAGE,
113 (uint8 *)state.s, strlen(state.s)+1);
115 talloc_destroy(state.mem_ctx);
119 * Register handler for MSG_REQ_POOL_USAGE
121 void register_msg_pool_usage(struct messaging_context *msg_ctx)
123 messaging_register(msg_ctx, NULL, MSG_REQ_POOL_USAGE, msg_pool_usage);
124 DEBUG(2, ("Registered MSG_REQ_POOL_USAGE\n"));