+/*
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2017 Kern Sibbald
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
+*/
/*
* Bacula memory pool routines.
*
*
* Kern E. Sibbald
*
- * Version $Id$
- */
-
-/*
- Copyright (C) 2000-2004 Kern Sibbald
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
-
- 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 General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
*/
#include "bacula.h"
+#define dbglvl DT_MEMORY|800
+
+#ifdef HAVE_MALLOC_TRIM
+extern "C" int malloc_trim (size_t pad);
+#endif
struct s_pool_ctl {
int32_t size; /* default size */
{ 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() */
+ int32_t bnet_extension; /* dummy for bnet extension */
};
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+#define HEAD_SIZE BALIGN(sizeof(struct abufhead))
#ifdef SMARTALLOC
-#define HEAD_SIZE BALIGN(sizeof(struct abufhead))
-
POOLMEM *sm_get_pool_memory(const char *fname, int lineno, int pool)
{
struct abufhead *buf;
pool_ctl[pool].max_used = pool_ctl[pool].in_use;
}
V(mutex);
- Dmsg3(1800, "sm_get_pool_memory reuse %x to %s:%d\n", buf, fname, lineno);
+ Dmsg3(dbglvl, "sm_get_pool_memory reuse %p to %s:%d\n", buf, fname, lineno);
sm_new_owner(fname, lineno, (char *)buf);
return (POOLMEM *)((char *)buf+HEAD_SIZE);
}
pool_ctl[pool].max_used = pool_ctl[pool].in_use;
}
V(mutex);
- Dmsg3(1800, "sm_get_pool_memory give %x to %s:%d\n", buf, fname, lineno);
+ Dmsg3(dbglvl, "sm_get_pool_memory give %p to %s:%d\n", buf, fname, lineno);
return (POOLMEM *)((char *)buf+HEAD_SIZE);
}
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;
}
if (pool == 0) {
free((char *)buf); /* free nonpooled memory */
} else { /* otherwise link it to the free pool chain */
-#ifdef DEBUG
+
+ /* Disabled because it hangs in #5507 */
+#ifdef xDEBUG
struct abufhead *next;
/* Don't let him free the same buffer twice */
for (next=pool_ctl[pool].free_buf; next; next=next->next) {
if (next == buf) {
- Dmsg4(1800, "bad free_pool_memory %x pool=%d from %s:%d\n", buf, pool, fname, lineno);
+ Dmsg4(dbglvl, "free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
+ Dmsg4(dbglvl, "bad free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
V(mutex); /* unblock the pool */
ASSERT(next != buf); /* attempt to free twice */
}
buf->next = pool_ctl[pool].free_buf;
pool_ctl[pool].free_buf = buf;
}
- Dmsg4(1800, "free_pool_memory %x pool=%d from %s:%d\n", buf, pool, fname, lineno);
+ Dmsg4(dbglvl, "free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
V(mutex);
}
-
#else
/* ========= NO SMARTALLOC ========================================= */
return (POOLMEM *)((char *)buf+HEAD_SIZE);
}
- if ((buf=malloc(pool_ctl[pool].size+HEAD_SIZE)) == NULL) {
+ if ((buf=(struct abufhead*)malloc(pool_ctl[pool].size+HEAD_SIZE)) == NULL) {
V(mutex);
Emsg1(M_ABORT, 0, _("Out of memory requesting %d bytes\n"), pool_ctl[pool].size);
}
struct abufhead *buf;
int pool = 0;
- if ((buf=malloc(size+HEAD_SIZE)) == NULL) {
+ if ((buf=(struct abufhead *)malloc(size+HEAD_SIZE)) == NULL) {
Emsg1(M_ABORT, 0, _("Out of memory requesting %d bytes\n"), size);
}
buf->ablen = size;
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);
buf->next = pool_ctl[pool].free_buf;
pool_ctl[pool].free_buf = buf;
}
- Dmsg2(1800, "free_pool_memory %x pool=%d\n", buf, pool);
+ Dmsg2(dbglvl, "free_pool_memory %p pool=%d\n", buf, pool);
V(mutex);
}
-
#endif /* SMARTALLOC */
+/*
+ * Clean up memory pool periodically
+ *
+ */
+static time_t last_garbage_collection = 0;
+const int garbage_interval = 24 * 60 * 60; /* garbage collect every 24 hours */
+void garbage_collect_memory_pool()
+{
+ time_t now;
+ Dmsg0(200, "garbage collect memory pool\n");
+ P(mutex);
+ if (last_garbage_collection == 0) {
+ last_garbage_collection = time(NULL);
+ V(mutex);
+ return;
+ }
+ now = time(NULL);
+ if (now >= last_garbage_collection + garbage_interval ||
+ sm_bytes > 500000) {
+ last_garbage_collection = now;
+ V(mutex);
+ garbage_collect_memory();
+ } else {
+ V(mutex);
+ }
+}
-
-
-/* Release all pooled memory */
+/* Release all freed pooled memory */
void close_memory_pool()
{
struct abufhead *buf, *next;
+ int count = 0;
+ uint64_t bytes = 0;
+ char ed1[50];
sm_check(__FILE__, __LINE__, false);
P(mutex);
buf = pool_ctl[i].free_buf;
while (buf) {
next = buf->next;
+ count++;
+ bytes += sizeof_pool_memory((char *)buf);
free((char *)buf);
buf = next;
}
pool_ctl[i].free_buf = NULL;
}
+ Dmsg2(DT_MEMORY|001, "Freed mem_pool count=%d size=%s\n", count, edit_uint64_with_commas(bytes, ed1));
+ if (chk_dbglvl(DT_MEMORY|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;
}
+int pm_strcat(POOL_MEM &pm, POOL_MEM &str)
+{
+ int pmlen = strlen(pm.c_str());
+ int len;
+
+ len = strlen(str.c_str()) + 1;
+ pm.check_size(pmlen + len);
+ memcpy(pm.c_str()+pmlen, str.c_str(), len);
+ return pmlen + len - 1;
+}
/*
* Copy a string (str) into a pool memory buffer pm
*/
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 */
V(mutex);
Emsg1(M_ABORT, 0, _("Out of memory requesting %d bytes\n"), size);
}
- Dmsg2(900, "Old buf=0x%x new buf=0x%x\n", cp, buf);
+ Dmsg2(900, "Old buf=%p new buf=%p\n", cp, buf);
((struct abufhead *)buf)->ablen = size;
pool = ((struct abufhead *)buf)->pool;
if (size > pool_ctl[pool].max_allocated) {
}
mem = buf+HEAD_SIZE;
V(mutex);
- Dmsg3(900, "Old buf=0x%x new buf=0x%x mem=0x%x\n", cp, buf, mem);
+ Dmsg3(900, "Old buf=%p new buf=%p mem=%p\n", cp, buf, mem);
}
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