+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2011 Free Software Foundation Europe e.V.
+
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version three of the GNU Affero General Public
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ Bacula® is a registered trademark of Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
* Bacula memory pool routines.
*
*
* Kern E. Sibbald
*
- * Version $Id$
- */
-
-/*
- Copyright (C) 2000-2006 Kern Sibbald
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- version 2 as amended with additional clauses defined in the
- file LICENSE in the main source directory.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- the file LICENSE for additional details.
-
*/
#include "bacula.h"
+#ifdef HAVE_MALLOC_TRIM
+extern "C" int malloc_trim (size_t pad);
+#endif
+
struct s_pool_ctl {
int32_t size; /* default size */
int32_t max_allocated; /* max allocated */
{ NLEN, NLEN,0, 0, NULL }, /* PM_NAME Bacula name */
{ 256, 256, 0, 0, NULL }, /* PM_FNAME filename buffers */
{ 512, 512, 0, 0, NULL }, /* PM_MESSAGE message buffer */
- { 1024, 1024, 0, 0, NULL } /* PM_EMSG error message buffer */
+ { 1024, 1024, 0, 0, NULL }, /* PM_EMSG error message buffer */
+ { 4096, 4096, 0, 0, NULL } /* PM_BSOCK message buffer */
};
#else
{ NLEN, NLEN,0, 0, NULL }, /* PM_NAME Bacula name */
{ 20, 20, 0, 0, NULL }, /* PM_FNAME filename buffers */
{ 20, 20, 0, 0, NULL }, /* PM_MESSAGE message buffer */
- { 20, 20, 0, 0, NULL } /* PM_EMSG error message buffer */
+ { 20, 20, 0, 0, NULL }, /* PM_EMSG error message buffer */
+ { 20, 20, 0, 0, NULL } /* PM_BSOCK message buffer */
};
#endif
int32_t ablen; /* Buffer length in bytes */
int32_t pool; /* pool */
struct abufhead *next; /* pointer to next free buffer */
+ int32_t bnet_size; /* dummy for bnet_send() */
};
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
#ifdef SMARTALLOC
#define HEAD_SIZE BALIGN(sizeof(struct abufhead))
return (POOLMEM *)(((char *)buf)+HEAD_SIZE);
}
-
/* Return the size of a memory buffer */
int32_t sm_sizeof_pool_memory(const char *fname, int lineno, POOLMEM *obuf)
{
char *cp = (char *)obuf;
- ASSERT(obuf);
+ if (obuf == NULL) {
+ Emsg0(M_ABORT, 0, _("obuf is NULL\n"));
+ }
cp -= HEAD_SIZE;
return ((struct abufhead *)cp)->ablen;
}
V(mutex);
}
-
#else
/* ========= NO SMARTALLOC ========================================= */
return (POOLMEM *)(((char *)buf)+HEAD_SIZE);
}
-
/* Return the size of a memory buffer */
int32_t sizeof_pool_memory(POOLMEM *obuf)
{
return ((struct abufhead *)cp)->ablen;
}
-
-
/* Realloc pool memory buffer */
POOLMEM *realloc_pool_memory(POOLMEM *obuf, int32_t size)
{
return (POOLMEM *)(((char *)buf)+HEAD_SIZE);
}
-
POOLMEM *check_pool_memory_size(POOLMEM *obuf, int32_t size)
{
ASSERT(obuf);
Dmsg2(1800, "free_pool_memory %p pool=%d\n", buf, pool);
V(mutex);
}
-
#endif /* SMARTALLOC */
-
/*
* Clean up memory pool periodically
*
if (now >= last_garbage_collection + garbage_interval) {
last_garbage_collection = now;
V(mutex);
- close_memory_pool();
+ garbage_collect_memory();
} else {
V(mutex);
}
}
-
-
-
-/* Release all pooled memory */
+/* Release all freed pooled memory */
void close_memory_pool()
{
struct abufhead *buf, *next;
}
pool_ctl[i].free_buf = NULL;
}
- Dmsg2(100, "Freed mem_pool count=%d size=%s\n", count, edit_uint64_with_commas(bytes, ed1));
+ Dmsg2(001, "Freed mem_pool count=%d size=%s\n", count, edit_uint64_with_commas(bytes, ed1));
+ if (debug_level >= 1) {
+ print_memory_pool_stats();
+ }
V(mutex);
}
-#ifdef DEBUG
+/*
+ * Garbage collect and trim memory if possible
+ * This should be called after all big memory usages
+ * if possible.
+ */
+void garbage_collect_memory()
+{
+ close_memory_pool(); /* release free chain */
+#ifdef HAVE_MALLOC_TRIM
+ P(mutex);
+ malloc_trim(8192);
+ V(mutex);
+#endif
+}
+#ifdef DEBUG
static const char *pool_name(int pool)
{
- static const char *name[] = {"NoPool", "NAME ", "FNAME ", "MSG ", "EMSG "};
+ static const char *name[] = {"NoPool", "NAME ", "FNAME ", "MSG ", "EMSG ", "BSOCK "};
static char buf[30];
if (pool >= 0 && pool <= PM_MAX) {
void print_memory_pool_stats() {}
#endif /* DEBUG */
-
/*
* Concatenate a string (str) onto a pool memory buffer pm
* Returns: length of concatenated string
int pm_strcat(POOLMEM **pm, const char *str)
{
int pmlen = strlen(*pm);
- int len = strlen(str) + 1;
+ int len;
+
+ if (!str) str = "";
+ len = strlen(str) + 1;
*pm = check_pool_memory_size(*pm, pmlen + len);
memcpy(*pm+pmlen, str, len);
return pmlen + len - 1;
int pm_strcat(POOLMEM *&pm, const char *str)
{
int pmlen = strlen(pm);
- int len = strlen(str) + 1;
+ int len;
+ if (!str) str = "";
+
+ len = strlen(str) + 1;
pm = check_pool_memory_size(pm, pmlen + len);
memcpy(pm+pmlen, str, len);
return pmlen + len - 1;
}
-
int pm_strcat(POOLMEM *&pm, POOL_MEM &str)
{
int pmlen = strlen(pm);
int pm_strcat(POOL_MEM &pm, const char *str)
{
int pmlen = strlen(pm.c_str());
- int len = strlen(str) + 1;
+ int len;
+ if (!str) str = "";
+
+ len = strlen(str) + 1;
pm.check_size(pmlen + len);
memcpy(pm.c_str()+pmlen, str, len);
return pmlen + len - 1;
}
-
/*
* Copy a string (str) into a pool memory buffer pm
* Returns: length of string copied
*/
int pm_strcpy(POOLMEM **pm, const char *str)
{
- int len = strlen(str) + 1;
+ int len;
+ if (!str) str = "";
+
+ len = strlen(str) + 1;
*pm = check_pool_memory_size(*pm, len);
memcpy(*pm, str, len);
return len - 1;
int pm_strcpy(POOLMEM *&pm, const char *str)
{
- int len = strlen(str) + 1;
+ int len;
+
+ if (!str) str = "";
+ len = strlen(str) + 1;
pm = check_pool_memory_size(pm, len);
memcpy(pm, str, len);
return len - 1;
return len - 1;
}
-
int pm_strcpy(POOL_MEM &pm, const char *str)
{
- int len = strlen(str) + 1;
+ int len;
+
+ if (!str) str = "";
+
+ len = strlen(str) + 1;
pm.check_size(len);
memcpy(pm.c_str(), str, len);
return len - 1;
}
+/*
+ * Copy data into a pool memory buffer pm
+ * Returns: length of data copied
+ */
+int pm_memcpy(POOLMEM **pm, const char *data, int32_t n)
+{
+ *pm = check_pool_memory_size(*pm, n);
+ memcpy(*pm, data, n);
+ return n;
+}
+
+int pm_memcpy(POOLMEM *&pm, const char *data, int32_t n)
+{
+ pm = check_pool_memory_size(pm, n);
+ memcpy(pm, data, n);
+ return n;
+}
+
+int pm_memcpy(POOLMEM *&pm, POOL_MEM &data, int32_t n)
+{
+ pm = check_pool_memory_size(pm, n);
+ memcpy(pm, data.c_str(), n);
+ return n;
+}
+
+int pm_memcpy(POOL_MEM &pm, const char *data, int32_t n)
+{
+ pm.check_size(n);
+ memcpy(pm.c_str(), data, n);
+ return n;
+}
+
/* ============== CLASS POOL_MEM ============== */
/* Return the size of a memory buffer */
int POOL_MEM::strcat(const char *str)
{
int pmlen = strlen(mem);
- int len = strlen(str) + 1;
+ int len;
+
+ if (!str) str = "";
+ len = strlen(str) + 1;
check_size(pmlen + len);
memcpy(mem+pmlen, str, len);
return pmlen + len - 1;
}
-
int POOL_MEM::strcpy(const char *str)
{
- int len = strlen(str) + 1;
+ int len;
+
+ if (!str) str = "";
+
+ len = strlen(str) + 1;
check_size(len);
memcpy(mem, str, len);
return len - 1;
projects / bacula / bacula / blobdiff