Mailing List Archive

[PATCH v1 01/10] lib: move memory.[ch] out of the way
From: David Lamparter <equinox@opensourcerouting.org>

The following commit will recreate memory.[ch].

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
---
lib/Makefile.am | 8 +-
lib/memory.c | 486 -------------------------------------------------------
lib/memory.h | 98 +----------
lib/memory_vty.c | 486 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
lib/memory_vty.h | 96 +++++++++++
5 files changed, 589 insertions(+), 585 deletions(-)
delete mode 100644 lib/memory.c
create mode 100644 lib/memory_vty.c
create mode 100644 lib/memory_vty.h

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 57e859d6d7cd..e1e79caebc41 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -10,10 +10,11 @@ libzebra_la_LDFLAGS = -version-info 0:0:0
libzebra_la_SOURCES = \
network.c pid_output.c getopt.c getopt1.c daemon.c \
checksum.c vector.c linklist.c vty.c command.c \
- sockunion.c prefix.c thread.c if.c memory.c buffer.c table.c hash.c \
+ sockunion.c prefix.c thread.c if.c buffer.c table.c hash.c \
filter.c routemap.c distribute.c stream.c str.c log.c plist.c \
zclient.c sockopt.c smux.c agentx.c snmp.c md5.c if_rmap.c keychain.c privs.c \
- sigevent.c pqueue.c jhash.c memtypes.c workqueue.c vrf.c
+ sigevent.c pqueue.c jhash.c memtypes.c workqueue.c vrf.c \
+ memory_vty.c

BUILT_SOURCES = memtypes.h route_types.h gitversion.h

@@ -28,7 +29,8 @@ pkginclude_HEADERS = \
str.h stream.h table.h thread.h vector.h version.h vty.h zebra.h \
plist.h zclient.h sockopt.h smux.h md5.h if_rmap.h keychain.h \
privs.h sigevent.h pqueue.h jhash.h zassert.h memtypes.h \
- workqueue.h route_types.h libospf.h vrf.h fifo.h
+ workqueue.h route_types.h libospf.h vrf.h fifo.h \
+ memory_vty.h

noinst_HEADERS = \
plist_int.h
diff --git a/lib/memory.c b/lib/memory.c
deleted file mode 100644
index 269520d5a435..000000000000
--- a/lib/memory.c
+++ /dev/null
@@ -1,486 +0,0 @@
-/*
- * Memory management routine
- * Copyright (C) 1998 Kunihiro Ishiguro
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra 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, or (at your option) any
- * later version.
- *
- * GNU Zebra 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 GNU Zebra; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
-
-#include <zebra.h>
-/* malloc.h is generally obsolete, however GNU Libc mallinfo wants it. */
-#if !defined(HAVE_STDLIB_H) || (defined(GNU_LINUX) && defined(HAVE_MALLINFO))
-#include <malloc.h>
-#endif /* !HAVE_STDLIB_H || HAVE_MALLINFO */
-
-#include "log.h"
-#include "memory.h"
-
-static void alloc_inc (int);
-static void alloc_dec (int);
-static void log_memstats(int log_priority);
-
-static const struct message mstr [] =
-{
- { MTYPE_THREAD, "thread" },
- { MTYPE_THREAD_MASTER, "thread_master" },
- { MTYPE_VECTOR, "vector" },
- { MTYPE_VECTOR_INDEX, "vector_index" },
- { MTYPE_IF, "interface" },
- { 0, NULL },
-};
-
-/* Fatal memory allocation error occured. */
-static void __attribute__ ((noreturn))
-zerror (const char *fname, int type, size_t size)
-{
- zlog_err ("%s : can't allocate memory for `%s' size %d: %s\n",
- fname, lookup (mstr, type), (int) size, safe_strerror(errno));
- log_memstats(LOG_WARNING);
- /* N.B. It might be preferable to call zlog_backtrace_sigsafe here, since
- that function should definitely be safe in an OOM condition. But
- unfortunately zlog_backtrace_sigsafe does not support syslog logging at
- this time... */
- zlog_backtrace(LOG_WARNING);
- abort();
-}
-
-/*
- * Allocate memory of a given size, to be tracked by a given type.
- * Effects: Returns a pointer to usable memory. If memory cannot
- * be allocated, aborts execution.
- */
-void *
-zmalloc (int type, size_t size)
-{
- void *memory;
-
- memory = malloc (size);
-
- if (memory == NULL)
- zerror ("malloc", type, size);
-
- alloc_inc (type);
-
- return memory;
-}
-
-/*
- * Allocate memory as in zmalloc, and also clear the memory.
- */
-void *
-zcalloc (int type, size_t size)
-{
- void *memory;
-
- memory = calloc (1, size);
-
- if (memory == NULL)
- zerror ("calloc", type, size);
-
- alloc_inc (type);
-
- return memory;
-}
-
-/*
- * Given a pointer returned by zmalloc or zcalloc, free it and
- * return a pointer to a new size, basically acting like realloc().
- * Requires: ptr was returned by zmalloc, zcalloc, or zrealloc with the
- * same type.
- * Effects: Returns a pointer to the new memory, or aborts.
- */
-void *
-zrealloc (int type, void *ptr, size_t size)
-{
- void *memory;
-
- if (ptr == NULL) /* is really alloc */
- return zcalloc(type, size);
-
- memory = realloc (ptr, size);
- if (memory == NULL)
- zerror ("realloc", type, size);
- if (ptr == NULL)
- alloc_inc (type);
-
- return memory;
-}
-
-/*
- * Free memory allocated by z*alloc or zstrdup.
- * Requires: ptr was returned by zmalloc, zcalloc, or zrealloc with the
- * same type.
- * Effects: The memory is freed and may no longer be referenced.
- */
-void
-zfree (int type, void *ptr)
-{
- if (ptr != NULL)
- {
- alloc_dec (type);
- free (ptr);
- }
-}
-
-/*
- * Duplicate a string, counting memory usage by type.
- * Effects: The string is duplicated, and the return value must
- * eventually be passed to zfree with the same type. The function will
- * succeed or abort.
- */
-char *
-zstrdup (int type, const char *str)
-{
- void *dup;
-
- dup = strdup (str);
- if (dup == NULL)
- zerror ("strdup", type, strlen (str));
- alloc_inc (type);
- return dup;
-}
-
-#ifdef MEMORY_LOG
-static struct
-{
- const char *name;
- long alloc;
- unsigned long t_malloc;
- unsigned long c_malloc;
- unsigned long t_calloc;
- unsigned long c_calloc;
- unsigned long t_realloc;
- unsigned long t_free;
- unsigned long c_strdup;
-} mstat [MTYPE_MAX];
-
-static void
-mtype_log (char *func, void *memory, const char *file, int line, int type)
-{
- zlog_debug ("%s: %s %p %s %d", func, lookup (mstr, type), memory, file, line);
-}
-
-void *
-mtype_zmalloc (const char *file, int line, int type, size_t size)
-{
- void *memory;
-
- mstat[type].c_malloc++;
- mstat[type].t_malloc++;
-
- memory = zmalloc (type, size);
- mtype_log ("zmalloc", memory, file, line, type);
-
- return memory;
-}
-
-void *
-mtype_zcalloc (const char *file, int line, int type, size_t size)
-{
- void *memory;
-
- mstat[type].c_calloc++;
- mstat[type].t_calloc++;
-
- memory = zcalloc (type, size);
- mtype_log ("xcalloc", memory, file, line, type);
-
- return memory;
-}
-
-void *
-mtype_zrealloc (const char *file, int line, int type, void *ptr, size_t size)
-{
- void *memory;
-
- /* Realloc need before allocated pointer. */
- mstat[type].t_realloc++;
-
- memory = zrealloc (type, ptr, size);
-
- mtype_log ("xrealloc", memory, file, line, type);
-
- return memory;
-}
-
-/* Important function. */
-void
-mtype_zfree (const char *file, int line, int type, void *ptr)
-{
- mstat[type].t_free++;
-
- mtype_log ("xfree", ptr, file, line, type);
-
- zfree (type, ptr);
-}
-
-char *
-mtype_zstrdup (const char *file, int line, int type, const char *str)
-{
- char *memory;
-
- mstat[type].c_strdup++;
-
- memory = zstrdup (type, str);
-
- mtype_log ("xstrdup", memory, file, line, type);
-
- return memory;
-}
-#else
-static struct
-{
- char *name;
- long alloc;
-} mstat [MTYPE_MAX];
-#endif /* MEMORY_LOG */
-
-/* Increment allocation counter. */
-static void
-alloc_inc (int type)
-{
- mstat[type].alloc++;
-}
-
-/* Decrement allocation counter. */
-static void
-alloc_dec (int type)
-{
- mstat[type].alloc--;
-}
-
-/* Looking up memory status from vty interface. */
-#include "vector.h"
-#include "vty.h"
-#include "command.h"
-
-static void
-log_memstats(int pri)
-{
- struct mlist *ml;
-
- for (ml = mlists; ml->list; ml++)
- {
- struct memory_list *m;
-
- zlog (NULL, pri, "Memory utilization in module %s:", ml->name);
- for (m = ml->list; m->index >= 0; m++)
- if (m->index && mstat[m->index].alloc)
- zlog (NULL, pri, " %-30s: %10ld", m->format, mstat[m->index].alloc);
- }
-}
-
-void
-log_memstats_stderr (const char *prefix)
-{
- struct mlist *ml;
- struct memory_list *m;
- int i;
- int j = 0;
-
- for (ml = mlists; ml->list; ml++)
- {
- i = 0;
-
- for (m = ml->list; m->index >= 0; m++)
- if (m->index && mstat[m->index].alloc)
- {
- if (!i)
- fprintf (stderr,
- "%s: memstats: Current memory utilization in module %s:\n",
- prefix,
- ml->name);
- fprintf (stderr,
- "%s: memstats: %-30s: %10ld%s\n",
- prefix,
- m->format,
- mstat[m->index].alloc,
- mstat[m->index].alloc < 0 ? " (REPORT THIS BUG!)" : "");
- i = j = 1;
- }
- }
-
- if (j)
- fprintf (stderr,
- "%s: memstats: NOTE: If configuration exists, utilization may be "
- "expected.\n",
- prefix);
- else
- fprintf (stderr,
- "%s: memstats: No remaining tracked memory utilization.\n",
- prefix);
-}
-
-static void
-show_separator(struct vty *vty)
-{
- vty_out (vty, "-----------------------------\r\n");
-}
-
-static int
-show_memory_vty (struct vty *vty, struct memory_list *list)
-{
- struct memory_list *m;
- int needsep = 0;
-
- for (m = list; m->index >= 0; m++)
- if (m->index == 0)
- {
- if (needsep)
- {
- show_separator (vty);
- needsep = 0;
- }
- }
- else if (mstat[m->index].alloc)
- {
- vty_out (vty, "%-30s: %10ld\r\n", m->format, mstat[m->index].alloc);
- needsep = 1;
- }
- return needsep;
-}
-
-#ifdef HAVE_MALLINFO
-static int
-show_memory_mallinfo (struct vty *vty)
-{
- struct mallinfo minfo = mallinfo();
- char buf[MTYPE_MEMSTR_LEN];
-
- vty_out (vty, "System allocator statistics:%s", VTY_NEWLINE);
- vty_out (vty, " Total heap allocated: %s%s",
- mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.arena),
- VTY_NEWLINE);
- vty_out (vty, " Holding block headers: %s%s",
- mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.hblkhd),
- VTY_NEWLINE);
- vty_out (vty, " Used small blocks: %s%s",
- mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.usmblks),
- VTY_NEWLINE);
- vty_out (vty, " Used ordinary blocks: %s%s",
- mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.uordblks),
- VTY_NEWLINE);
- vty_out (vty, " Free small blocks: %s%s",
- mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.fsmblks),
- VTY_NEWLINE);
- vty_out (vty, " Free ordinary blocks: %s%s",
- mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.fordblks),
- VTY_NEWLINE);
- vty_out (vty, " Ordinary blocks: %ld%s",
- (unsigned long)minfo.ordblks,
- VTY_NEWLINE);
- vty_out (vty, " Small blocks: %ld%s",
- (unsigned long)minfo.smblks,
- VTY_NEWLINE);
- vty_out (vty, " Holding blocks: %ld%s",
- (unsigned long)minfo.hblks,
- VTY_NEWLINE);
- vty_out (vty, "(see system documentation for 'mallinfo' for meaning)%s",
- VTY_NEWLINE);
- return 1;
-}
-#endif /* HAVE_MALLINFO */
-
-DEFUN (show_memory,
- show_memory_cmd,
- "show memory",
- "Show running system information\n"
- "Memory statistics\n")
-{
- struct mlist *ml;
- int needsep = 0;
-
-#ifdef HAVE_MALLINFO
- needsep = show_memory_mallinfo (vty);
-#endif /* HAVE_MALLINFO */
-
- for (ml = mlists; ml->list; ml++)
- {
- if (needsep)
- show_separator (vty);
- needsep = show_memory_vty (vty, ml->list);
- }
-
- return CMD_SUCCESS;
-}
-
-
-void
-memory_init (void)
-{
- install_element (RESTRICTED_NODE, &show_memory_cmd);
-
- install_element (VIEW_NODE, &show_memory_cmd);
-
- install_element (ENABLE_NODE, &show_memory_cmd);
-}
-
-/* Stats querying from users */
-/* Return a pointer to a human friendly string describing
- * the byte count passed in. E.g:
- * "0 bytes", "2048 bytes", "110kB", "500MiB", "11GiB", etc.
- * Up to 4 significant figures will be given.
- * The pointer returned may be NULL (indicating an error)
- * or point to the given buffer, or point to static storage.
- */
-const char *
-mtype_memstr (char *buf, size_t len, unsigned long bytes)
-{
- unsigned int m, k;
-
- /* easy cases */
- if (!bytes)
- return "0 bytes";
- if (bytes == 1)
- return "1 byte";
-
- /*
- * When we pass the 2gb barrier mallinfo() can no longer report
- * correct data so it just does something odd...
- * Reporting like Terrabytes of data. Which makes users...
- * edgy.. yes edgy that's the term for it.
- * So let's just give up gracefully
- */
- if (bytes > 0x7fffffff)
- return "> 2GB";
-
- m = bytes >> 20;
- k = bytes >> 10;
-
- if (m > 10)
- {
- if (bytes & (1 << 19))
- m++;
- snprintf (buf, len, "%d MiB", m);
- }
- else if (k > 10)
- {
- if (bytes & (1 << 9))
- k++;
- snprintf (buf, len, "%d KiB", k);
- }
- else
- snprintf (buf, len, "%ld bytes", bytes);
-
- return buf;
-}
-
-unsigned long
-mtype_stats_alloc (int type)
-{
- return mstat[type].alloc;
-}
diff --git a/lib/memory.h b/lib/memory.h
index 23962235dbfe..15bf280199c8 100644
--- a/lib/memory.h
+++ b/lib/memory.h
@@ -1,96 +1,2 @@
-/* Memory management routine
- Copyright (C) 1998 Kunihiro Ishiguro
-
-This file is part of GNU Zebra.
-
-GNU Zebra 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, or (at your option) any
-later version.
-
-GNU Zebra 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 GNU Zebra; see the file COPYING. If not, write to the Free
-Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
-
-#ifndef _ZEBRA_MEMORY_H
-#define _ZEBRA_MEMORY_H
-
-#define array_size(ar) (sizeof(ar) / sizeof(ar[0]))
-
-/* For pretty printing of memory allocate information. */
-struct memory_list
-{
- int index;
- const char *format;
-};
-
-struct mlist {
- struct memory_list *list;
- const char *name;
-};
-
-#include "lib/memtypes.h"
-
-extern struct mlist mlists[];
-
-/* #define MEMORY_LOG */
-#ifdef MEMORY_LOG
-#define XMALLOC(mtype, size) \
- mtype_zmalloc (__FILE__, __LINE__, (mtype), (size))
-#define XCALLOC(mtype, size) \
- mtype_zcalloc (__FILE__, __LINE__, (mtype), (size))
-#define XREALLOC(mtype, ptr, size) \
- mtype_zrealloc (__FILE__, __LINE__, (mtype), (ptr), (size))
-#define XFREE(mtype, ptr) \
- do { \
- mtype_zfree (__FILE__, __LINE__, (mtype), (ptr)); \
- ptr = NULL; } \
- while (0)
-#define XSTRDUP(mtype, str) \
- mtype_zstrdup (__FILE__, __LINE__, (mtype), (str))
-#else
-#define XMALLOC(mtype, size) zmalloc ((mtype), (size))
-#define XCALLOC(mtype, size) zcalloc ((mtype), (size))
-#define XREALLOC(mtype, ptr, size) zrealloc ((mtype), (ptr), (size))
-#define XFREE(mtype, ptr) do { \
- zfree ((mtype), (ptr)); \
- ptr = NULL; } \
- while (0)
-#define XSTRDUP(mtype, str) zstrdup ((mtype), (str))
-#endif /* MEMORY_LOG */
-
-/* Prototypes of memory function. */
-extern void *zmalloc (int type, size_t size);
-extern void *zcalloc (int type, size_t size);
-extern void *zrealloc (int type, void *ptr, size_t size);
-extern void zfree (int type, void *ptr);
-extern char *zstrdup (int type, const char *str);
-
-extern void *mtype_zmalloc (const char *file, int line, int type, size_t size);
-
-extern void *mtype_zcalloc (const char *file, int line, int type, size_t size);
-
-extern void *mtype_zrealloc (const char *file, int line, int type, void *ptr,
- size_t size);
-
-extern void mtype_zfree (const char *file, int line, int type,
- void *ptr);
-
-extern char *mtype_zstrdup (const char *file, int line, int type,
- const char *str);
-extern void memory_init (void);
-extern void log_memstats_stderr (const char *);
-
-/* return number of allocations outstanding for the type */
-extern unsigned long mtype_stats_alloc (int);
-
-/* Human friendly string for given byte count */
-#define MTYPE_MEMSTR_LEN 20
-extern const char *mtype_memstr (char *, size_t, unsigned long);
-#endif /* _ZEBRA_MEMORY_H */
+/* temporary */
+#include "memory_vty.h"
diff --git a/lib/memory_vty.c b/lib/memory_vty.c
new file mode 100644
index 000000000000..269520d5a435
--- /dev/null
+++ b/lib/memory_vty.c
@@ -0,0 +1,486 @@
+/*
+ * Memory management routine
+ * Copyright (C) 1998 Kunihiro Ishiguro
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra 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, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra 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 GNU Zebra; see the file COPYING. If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include <zebra.h>
+/* malloc.h is generally obsolete, however GNU Libc mallinfo wants it. */
+#if !defined(HAVE_STDLIB_H) || (defined(GNU_LINUX) && defined(HAVE_MALLINFO))
+#include <malloc.h>
+#endif /* !HAVE_STDLIB_H || HAVE_MALLINFO */
+
+#include "log.h"
+#include "memory.h"
+
+static void alloc_inc (int);
+static void alloc_dec (int);
+static void log_memstats(int log_priority);
+
+static const struct message mstr [] =
+{
+ { MTYPE_THREAD, "thread" },
+ { MTYPE_THREAD_MASTER, "thread_master" },
+ { MTYPE_VECTOR, "vector" },
+ { MTYPE_VECTOR_INDEX, "vector_index" },
+ { MTYPE_IF, "interface" },
+ { 0, NULL },
+};
+
+/* Fatal memory allocation error occured. */
+static void __attribute__ ((noreturn))
+zerror (const char *fname, int type, size_t size)
+{
+ zlog_err ("%s : can't allocate memory for `%s' size %d: %s\n",
+ fname, lookup (mstr, type), (int) size, safe_strerror(errno));
+ log_memstats(LOG_WARNING);
+ /* N.B. It might be preferable to call zlog_backtrace_sigsafe here, since
+ that function should definitely be safe in an OOM condition. But
+ unfortunately zlog_backtrace_sigsafe does not support syslog logging at
+ this time... */
+ zlog_backtrace(LOG_WARNING);
+ abort();
+}
+
+/*
+ * Allocate memory of a given size, to be tracked by a given type.
+ * Effects: Returns a pointer to usable memory. If memory cannot
+ * be allocated, aborts execution.
+ */
+void *
+zmalloc (int type, size_t size)
+{
+ void *memory;
+
+ memory = malloc (size);
+
+ if (memory == NULL)
+ zerror ("malloc", type, size);
+
+ alloc_inc (type);
+
+ return memory;
+}
+
+/*
+ * Allocate memory as in zmalloc, and also clear the memory.
+ */
+void *
+zcalloc (int type, size_t size)
+{
+ void *memory;
+
+ memory = calloc (1, size);
+
+ if (memory == NULL)
+ zerror ("calloc", type, size);
+
+ alloc_inc (type);
+
+ return memory;
+}
+
+/*
+ * Given a pointer returned by zmalloc or zcalloc, free it and
+ * return a pointer to a new size, basically acting like realloc().
+ * Requires: ptr was returned by zmalloc, zcalloc, or zrealloc with the
+ * same type.
+ * Effects: Returns a pointer to the new memory, or aborts.
+ */
+void *
+zrealloc (int type, void *ptr, size_t size)
+{
+ void *memory;
+
+ if (ptr == NULL) /* is really alloc */
+ return zcalloc(type, size);
+
+ memory = realloc (ptr, size);
+ if (memory == NULL)
+ zerror ("realloc", type, size);
+ if (ptr == NULL)
+ alloc_inc (type);
+
+ return memory;
+}
+
+/*
+ * Free memory allocated by z*alloc or zstrdup.
+ * Requires: ptr was returned by zmalloc, zcalloc, or zrealloc with the
+ * same type.
+ * Effects: The memory is freed and may no longer be referenced.
+ */
+void
+zfree (int type, void *ptr)
+{
+ if (ptr != NULL)
+ {
+ alloc_dec (type);
+ free (ptr);
+ }
+}
+
+/*
+ * Duplicate a string, counting memory usage by type.
+ * Effects: The string is duplicated, and the return value must
+ * eventually be passed to zfree with the same type. The function will
+ * succeed or abort.
+ */
+char *
+zstrdup (int type, const char *str)
+{
+ void *dup;
+
+ dup = strdup (str);
+ if (dup == NULL)
+ zerror ("strdup", type, strlen (str));
+ alloc_inc (type);
+ return dup;
+}
+
+#ifdef MEMORY_LOG
+static struct
+{
+ const char *name;
+ long alloc;
+ unsigned long t_malloc;
+ unsigned long c_malloc;
+ unsigned long t_calloc;
+ unsigned long c_calloc;
+ unsigned long t_realloc;
+ unsigned long t_free;
+ unsigned long c_strdup;
+} mstat [MTYPE_MAX];
+
+static void
+mtype_log (char *func, void *memory, const char *file, int line, int type)
+{
+ zlog_debug ("%s: %s %p %s %d", func, lookup (mstr, type), memory, file, line);
+}
+
+void *
+mtype_zmalloc (const char *file, int line, int type, size_t size)
+{
+ void *memory;
+
+ mstat[type].c_malloc++;
+ mstat[type].t_malloc++;
+
+ memory = zmalloc (type, size);
+ mtype_log ("zmalloc", memory, file, line, type);
+
+ return memory;
+}
+
+void *
+mtype_zcalloc (const char *file, int line, int type, size_t size)
+{
+ void *memory;
+
+ mstat[type].c_calloc++;
+ mstat[type].t_calloc++;
+
+ memory = zcalloc (type, size);
+ mtype_log ("xcalloc", memory, file, line, type);
+
+ return memory;
+}
+
+void *
+mtype_zrealloc (const char *file, int line, int type, void *ptr, size_t size)
+{
+ void *memory;
+
+ /* Realloc need before allocated pointer. */
+ mstat[type].t_realloc++;
+
+ memory = zrealloc (type, ptr, size);
+
+ mtype_log ("xrealloc", memory, file, line, type);
+
+ return memory;
+}
+
+/* Important function. */
+void
+mtype_zfree (const char *file, int line, int type, void *ptr)
+{
+ mstat[type].t_free++;
+
+ mtype_log ("xfree", ptr, file, line, type);
+
+ zfree (type, ptr);
+}
+
+char *
+mtype_zstrdup (const char *file, int line, int type, const char *str)
+{
+ char *memory;
+
+ mstat[type].c_strdup++;
+
+ memory = zstrdup (type, str);
+
+ mtype_log ("xstrdup", memory, file, line, type);
+
+ return memory;
+}
+#else
+static struct
+{
+ char *name;
+ long alloc;
+} mstat [MTYPE_MAX];
+#endif /* MEMORY_LOG */
+
+/* Increment allocation counter. */
+static void
+alloc_inc (int type)
+{
+ mstat[type].alloc++;
+}
+
+/* Decrement allocation counter. */
+static void
+alloc_dec (int type)
+{
+ mstat[type].alloc--;
+}
+
+/* Looking up memory status from vty interface. */
+#include "vector.h"
+#include "vty.h"
+#include "command.h"
+
+static void
+log_memstats(int pri)
+{
+ struct mlist *ml;
+
+ for (ml = mlists; ml->list; ml++)
+ {
+ struct memory_list *m;
+
+ zlog (NULL, pri, "Memory utilization in module %s:", ml->name);
+ for (m = ml->list; m->index >= 0; m++)
+ if (m->index && mstat[m->index].alloc)
+ zlog (NULL, pri, " %-30s: %10ld", m->format, mstat[m->index].alloc);
+ }
+}
+
+void
+log_memstats_stderr (const char *prefix)
+{
+ struct mlist *ml;
+ struct memory_list *m;
+ int i;
+ int j = 0;
+
+ for (ml = mlists; ml->list; ml++)
+ {
+ i = 0;
+
+ for (m = ml->list; m->index >= 0; m++)
+ if (m->index && mstat[m->index].alloc)
+ {
+ if (!i)
+ fprintf (stderr,
+ "%s: memstats: Current memory utilization in module %s:\n",
+ prefix,
+ ml->name);
+ fprintf (stderr,
+ "%s: memstats: %-30s: %10ld%s\n",
+ prefix,
+ m->format,
+ mstat[m->index].alloc,
+ mstat[m->index].alloc < 0 ? " (REPORT THIS BUG!)" : "");
+ i = j = 1;
+ }
+ }
+
+ if (j)
+ fprintf (stderr,
+ "%s: memstats: NOTE: If configuration exists, utilization may be "
+ "expected.\n",
+ prefix);
+ else
+ fprintf (stderr,
+ "%s: memstats: No remaining tracked memory utilization.\n",
+ prefix);
+}
+
+static void
+show_separator(struct vty *vty)
+{
+ vty_out (vty, "-----------------------------\r\n");
+}
+
+static int
+show_memory_vty (struct vty *vty, struct memory_list *list)
+{
+ struct memory_list *m;
+ int needsep = 0;
+
+ for (m = list; m->index >= 0; m++)
+ if (m->index == 0)
+ {
+ if (needsep)
+ {
+ show_separator (vty);
+ needsep = 0;
+ }
+ }
+ else if (mstat[m->index].alloc)
+ {
+ vty_out (vty, "%-30s: %10ld\r\n", m->format, mstat[m->index].alloc);
+ needsep = 1;
+ }
+ return needsep;
+}
+
+#ifdef HAVE_MALLINFO
+static int
+show_memory_mallinfo (struct vty *vty)
+{
+ struct mallinfo minfo = mallinfo();
+ char buf[MTYPE_MEMSTR_LEN];
+
+ vty_out (vty, "System allocator statistics:%s", VTY_NEWLINE);
+ vty_out (vty, " Total heap allocated: %s%s",
+ mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.arena),
+ VTY_NEWLINE);
+ vty_out (vty, " Holding block headers: %s%s",
+ mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.hblkhd),
+ VTY_NEWLINE);
+ vty_out (vty, " Used small blocks: %s%s",
+ mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.usmblks),
+ VTY_NEWLINE);
+ vty_out (vty, " Used ordinary blocks: %s%s",
+ mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.uordblks),
+ VTY_NEWLINE);
+ vty_out (vty, " Free small blocks: %s%s",
+ mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.fsmblks),
+ VTY_NEWLINE);
+ vty_out (vty, " Free ordinary blocks: %s%s",
+ mtype_memstr (buf, MTYPE_MEMSTR_LEN, minfo.fordblks),
+ VTY_NEWLINE);
+ vty_out (vty, " Ordinary blocks: %ld%s",
+ (unsigned long)minfo.ordblks,
+ VTY_NEWLINE);
+ vty_out (vty, " Small blocks: %ld%s",
+ (unsigned long)minfo.smblks,
+ VTY_NEWLINE);
+ vty_out (vty, " Holding blocks: %ld%s",
+ (unsigned long)minfo.hblks,
+ VTY_NEWLINE);
+ vty_out (vty, "(see system documentation for 'mallinfo' for meaning)%s",
+ VTY_NEWLINE);
+ return 1;
+}
+#endif /* HAVE_MALLINFO */
+
+DEFUN (show_memory,
+ show_memory_cmd,
+ "show memory",
+ "Show running system information\n"
+ "Memory statistics\n")
+{
+ struct mlist *ml;
+ int needsep = 0;
+
+#ifdef HAVE_MALLINFO
+ needsep = show_memory_mallinfo (vty);
+#endif /* HAVE_MALLINFO */
+
+ for (ml = mlists; ml->list; ml++)
+ {
+ if (needsep)
+ show_separator (vty);
+ needsep = show_memory_vty (vty, ml->list);
+ }
+
+ return CMD_SUCCESS;
+}
+
+
+void
+memory_init (void)
+{
+ install_element (RESTRICTED_NODE, &show_memory_cmd);
+
+ install_element (VIEW_NODE, &show_memory_cmd);
+
+ install_element (ENABLE_NODE, &show_memory_cmd);
+}
+
+/* Stats querying from users */
+/* Return a pointer to a human friendly string describing
+ * the byte count passed in. E.g:
+ * "0 bytes", "2048 bytes", "110kB", "500MiB", "11GiB", etc.
+ * Up to 4 significant figures will be given.
+ * The pointer returned may be NULL (indicating an error)
+ * or point to the given buffer, or point to static storage.
+ */
+const char *
+mtype_memstr (char *buf, size_t len, unsigned long bytes)
+{
+ unsigned int m, k;
+
+ /* easy cases */
+ if (!bytes)
+ return "0 bytes";
+ if (bytes == 1)
+ return "1 byte";
+
+ /*
+ * When we pass the 2gb barrier mallinfo() can no longer report
+ * correct data so it just does something odd...
+ * Reporting like Terrabytes of data. Which makes users...
+ * edgy.. yes edgy that's the term for it.
+ * So let's just give up gracefully
+ */
+ if (bytes > 0x7fffffff)
+ return "> 2GB";
+
+ m = bytes >> 20;
+ k = bytes >> 10;
+
+ if (m > 10)
+ {
+ if (bytes & (1 << 19))
+ m++;
+ snprintf (buf, len, "%d MiB", m);
+ }
+ else if (k > 10)
+ {
+ if (bytes & (1 << 9))
+ k++;
+ snprintf (buf, len, "%d KiB", k);
+ }
+ else
+ snprintf (buf, len, "%ld bytes", bytes);
+
+ return buf;
+}
+
+unsigned long
+mtype_stats_alloc (int type)
+{
+ return mstat[type].alloc;
+}
diff --git a/lib/memory_vty.h b/lib/memory_vty.h
new file mode 100644
index 000000000000..4d7601607a59
--- /dev/null
+++ b/lib/memory_vty.h
@@ -0,0 +1,96 @@
+/* Memory management routine
+ Copyright (C) 1998 Kunihiro Ishiguro
+
+This file is part of GNU Zebra.
+
+GNU Zebra 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, or (at your option) any
+later version.
+
+GNU Zebra 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 GNU Zebra; see the file COPYING. If not, write to the Free
+Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+
+#ifndef _ZEBRA_MEMORY_VTY_H
+#define _ZEBRA_MEMORY_VTY_H
+
+#define array_size(ar) (sizeof(ar) / sizeof(ar[0]))
+
+/* For pretty printing of memory allocate information. */
+struct memory_list
+{
+ int index;
+ const char *format;
+};
+
+struct mlist {
+ struct memory_list *list;
+ const char *name;
+};
+
+#include "lib/memtypes.h"
+
+extern struct mlist mlists[];
+
+/* #define MEMORY_LOG */
+#ifdef MEMORY_LOG
+#define XMALLOC(mtype, size) \
+ mtype_zmalloc (__FILE__, __LINE__, (mtype), (size))
+#define XCALLOC(mtype, size) \
+ mtype_zcalloc (__FILE__, __LINE__, (mtype), (size))
+#define XREALLOC(mtype, ptr, size) \
+ mtype_zrealloc (__FILE__, __LINE__, (mtype), (ptr), (size))
+#define XFREE(mtype, ptr) \
+ do { \
+ mtype_zfree (__FILE__, __LINE__, (mtype), (ptr)); \
+ ptr = NULL; } \
+ while (0)
+#define XSTRDUP(mtype, str) \
+ mtype_zstrdup (__FILE__, __LINE__, (mtype), (str))
+#else
+#define XMALLOC(mtype, size) zmalloc ((mtype), (size))
+#define XCALLOC(mtype, size) zcalloc ((mtype), (size))
+#define XREALLOC(mtype, ptr, size) zrealloc ((mtype), (ptr), (size))
+#define XFREE(mtype, ptr) do { \
+ zfree ((mtype), (ptr)); \
+ ptr = NULL; } \
+ while (0)
+#define XSTRDUP(mtype, str) zstrdup ((mtype), (str))
+#endif /* MEMORY_LOG */
+
+/* Prototypes of memory function. */
+extern void *zmalloc (int type, size_t size);
+extern void *zcalloc (int type, size_t size);
+extern void *zrealloc (int type, void *ptr, size_t size);
+extern void zfree (int type, void *ptr);
+extern char *zstrdup (int type, const char *str);
+
+extern void *mtype_zmalloc (const char *file, int line, int type, size_t size);
+
+extern void *mtype_zcalloc (const char *file, int line, int type, size_t size);
+
+extern void *mtype_zrealloc (const char *file, int line, int type, void *ptr,
+ size_t size);
+
+extern void mtype_zfree (const char *file, int line, int type,
+ void *ptr);
+
+extern char *mtype_zstrdup (const char *file, int line, int type,
+ const char *str);
+extern void memory_init (void);
+extern void log_memstats_stderr (const char *);
+
+/* return number of allocations outstanding for the type */
+extern unsigned long mtype_stats_alloc (int);
+
+/* Human friendly string for given byte count */
+#define MTYPE_MEMSTR_LEN 20
+extern const char *mtype_memstr (char *, size_t, unsigned long);
+#endif /* _ZEBRA_MEMORY_VTY_H */
--
2.1.4


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