memory.c
上传用户:xiaozhuqw
上传日期:2009-11-15
资源大小:1338k
文件大小:13k
- /*
- * 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>
- #include "log.h"
- #include "memory.h"
- void alloc_inc (int);
- void alloc_dec (int);
- 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
- zerror (const char *fname, int type, size_t size)
- {
- fprintf (stderr, "%s : can't allocate memory for `%s' size %dn",
- fname, lookup (mstr, type), (int) size);
- exit (1);
- }
- /* Memory allocation. */
- void *
- zmalloc (int type, size_t size)
- {
- void *memory;
- memory = malloc (size);
- if (memory == NULL)
- zerror ("malloc", type, size);
- alloc_inc (type);
- return memory;
- }
- /* Memory allocation with num * size with cleared. */
- 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;
- }
- /* Memory reallocation. */
- void *
- zrealloc (int type, void *ptr, size_t size)
- {
- void *memory;
- memory = realloc (ptr, size);
- if (memory == NULL)
- zerror ("realloc", type, size);
- return memory;
- }
- /* Memory free. */
- void
- zfree (int type, void *ptr)
- {
- alloc_dec (type);
- free (ptr);
- }
- /* String duplication. */
- char *
- zstrdup (int type, char *str)
- {
- void *dup;
- dup = strdup (str);
- if (dup == NULL)
- zerror ("strdup", type, strlen (str));
- alloc_inc (type);
- return dup;
- }
- #ifdef MEMORY_LOG
- struct
- {
- char *name;
- unsigned 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];
- void
- mtype_log (char *func, void *memory, const char *file, int line, int type)
- {
- zlog_info ("%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, char *str)
- {
- char *memory;
- mstat[type].c_strdup++;
- memory = zstrdup (type, str);
-
- mtype_log ("xstrdup", memory, file, line, type);
- return memory;
- }
- #else
- struct
- {
- char *name;
- unsigned long alloc;
- } mstat [MTYPE_MAX];
- #endif /* MTPYE_LOG */
- /* Increment allocation counter. */
- void
- alloc_inc (int type)
- {
- mstat[type].alloc++;
- }
- /* Decrement allocation counter. */
- void
- alloc_dec (int type)
- {
- mstat[type].alloc--;
- }
- /* Looking up memory status from vty interface. */
- #include "vector.h"
- #include "vty.h"
- #include "command.h"
- /* For pretty printng of memory allocate information. */
- struct memory_list
- {
- int index;
- char *format;
- };
- struct memory_list memory_list_lib[] =
- {
- { MTYPE_TMP, "Temporary memory" },
- { MTYPE_ROUTE_TABLE, "Route table " },
- { MTYPE_ROUTE_NODE, "Route node " },
- { MTYPE_RIB, "RIB " },
- { MTYPE_NEXTHOP, "Nexthop " },
- { MTYPE_LINK_LIST, "Link List " },
- { MTYPE_LINK_NODE, "Link Node " },
- { MTYPE_HASH, "Hash " },
- { MTYPE_HASH_BACKET, "Hash Bucket " },
- { MTYPE_ACCESS_LIST, "Access List " },
- { MTYPE_ACCESS_LIST_STR, "Access List Str " },
- { MTYPE_ACCESS_FILTER, "Access Filter " },
- { MTYPE_PREFIX_LIST, "Prefix List " },
- { MTYPE_PREFIX_LIST_STR, "Prefix List Str " },
- { MTYPE_PREFIX_LIST_ENTRY, "Prefix List Entry "},
- { MTYPE_ROUTE_MAP, "Route map " },
- { MTYPE_ROUTE_MAP_NAME, "Route map name " },
- { MTYPE_ROUTE_MAP_INDEX, "Route map index " },
- { MTYPE_ROUTE_MAP_RULE, "Route map rule " },
- { MTYPE_ROUTE_MAP_RULE_STR, "Route map rule str" },
- { MTYPE_DESC, "Command desc " },
- { MTYPE_BUFFER, "Buffer " },
- { MTYPE_BUFFER_DATA, "Buffer data " },
- { MTYPE_STREAM, "Stream " },
- { MTYPE_KEYCHAIN, "Key chain " },
- { MTYPE_KEY, "Key " },
- { MTYPE_VTY, "VTY " },
- { -1, NULL }
- };
- struct memory_list memory_list_bgp[] =
- {
- { MTYPE_BGP_PEER, "BGP peer" },
- { MTYPE_ATTR, "BGP attribute" },
- { MTYPE_AS_PATH, "BGP aspath" },
- { MTYPE_AS_SEG, "BGP aspath seg" },
- { MTYPE_AS_STR, "BGP aspath str" },
- { 0, NULL },
- { MTYPE_BGP_TABLE, "BGP table" },
- { MTYPE_BGP_NODE, "BGP node" },
- { MTYPE_BGP_ADVERTISE_ATTR, "BGP adv attr" },
- { MTYPE_BGP_ADVERTISE, "BGP adv" },
- { MTYPE_BGP_ADJ_IN, "BGP adj in" },
- { MTYPE_BGP_ADJ_OUT, "BGP adj out" },
- { 0, NULL },
- { MTYPE_AS_LIST, "BGP AS list" },
- { MTYPE_AS_FILTER, "BGP AS filter" },
- { MTYPE_AS_FILTER_STR, "BGP AS filter str" },
- { 0, NULL },
- { MTYPE_COMMUNITY, "community" },
- { MTYPE_COMMUNITY_VAL, "community val" },
- { MTYPE_COMMUNITY_STR, "community str" },
- { 0, NULL },
- { MTYPE_ECOMMUNITY, "extcommunity" },
- { MTYPE_ECOMMUNITY_VAL, "extcommunity val" },
- { MTYPE_ECOMMUNITY_STR, "extcommunity str" },
- { 0, NULL },
- { MTYPE_COMMUNITY_LIST, "community-list" },
- { MTYPE_COMMUNITY_LIST_NAME, "community-list name" },
- { MTYPE_COMMUNITY_LIST_ENTRY, "community-list entry" },
- { MTYPE_COMMUNITY_LIST_CONFIG, "community-list config" },
- { 0, NULL },
- { MTYPE_CLUSTER, "Cluster list" },
- { MTYPE_CLUSTER_VAL, "Cluster list val" },
- { 0, NULL },
- { MTYPE_TRANSIT, "BGP transit attr" },
- { MTYPE_TRANSIT_VAL, "BGP transit val" },
- { 0, NULL },
- { MTYPE_BGP_DISTANCE, "BGP distance" },
- { MTYPE_BGP_NEXTHOP_CACHE, "BGP nexthop" },
- { MTYPE_BGP_CONFED_LIST, "BGP confed list" },
- { MTYPE_PEER_UPDATE_SOURCE, "peer update if" },
- { MTYPE_BGP_DAMP_INFO, "Dampening info" },
- { MTYPE_BGP_REGEXP, "BGP regexp" },
- { -1, NULL }
- };
- struct memory_list memory_list_rip[] =
- {
- { MTYPE_RIP, "RIP structure " },
- { MTYPE_RIP_INFO, "RIP route info " },
- { MTYPE_RIP_INTERFACE, "RIP interface " },
- { MTYPE_RIP_PEER, "RIP peer " },
- { MTYPE_RIP_OFFSET_LIST, "RIP offset list " },
- { MTYPE_RIP_DISTANCE, "RIP distance " },
- { -1, NULL }
- };
- struct memory_list memory_list_ospf[] =
- {
- { MTYPE_OSPF_TOP, "OSPF top " },
- { MTYPE_OSPF_AREA, "OSPF area " },
- { MTYPE_OSPF_AREA_RANGE, "OSPF area range " },
- { MTYPE_OSPF_NETWORK, "OSPF network " },
- #ifdef NBMA_ENABLE
- { MTYPE_OSPF_NEIGHBOR_STATIC,"OSPF static nbr " },
- #endif /* NBMA_ENABLE */
- { MTYPE_OSPF_IF, "OSPF interface " },
- { MTYPE_OSPF_NEIGHBOR, "OSPF neighbor " },
- { MTYPE_OSPF_ROUTE, "OSPF route " },
- { MTYPE_OSPF_TMP, "OSPF tmp mem " },
- { MTYPE_OSPF_LSA, "OSPF LSA " },
- { MTYPE_OSPF_LSA_DATA, "OSPF LSA data " },
- { MTYPE_OSPF_LSDB, "OSPF LSDB " },
- { MTYPE_OSPF_PACKET, "OSPF packet " },
- { MTYPE_OSPF_FIFO, "OSPF FIFO queue " },
- { MTYPE_OSPF_VERTEX, "OSPF vertex " },
- { MTYPE_OSPF_NEXTHOP, "OSPF nexthop " },
- { MTYPE_OSPF_PATH, "OSPF path " },
- { MTYPE_OSPF_VL_DATA, "OSPF VL data " },
- { MTYPE_OSPF_CRYPT_KEY, "OSPF crypt key " },
- { MTYPE_OSPF_EXTERNAL_INFO, "OSPF ext. info " },
- { MTYPE_OSPF_DISTANCE, "OSPF distance " },
- { MTYPE_OSPF_IF_INFO, "OSPF if info " },
- { MTYPE_OSPF_IF_PARAMS, "OSPF if params " },
- { -1, NULL },
- };
- struct memory_list memory_list_ospf6[] =
- {
- { MTYPE_OSPF6_TOP, "OSPF6 top " },
- { MTYPE_OSPF6_AREA, "OSPF6 area " },
- { MTYPE_OSPF6_IF, "OSPF6 interface " },
- { MTYPE_OSPF6_NEIGHBOR, "OSPF6 neighbor " },
- { MTYPE_OSPF6_ROUTE, "OSPF6 route " },
- { MTYPE_OSPF6_PREFIX, "OSPF6 prefix " },
- { MTYPE_OSPF6_MESSAGE, "OSPF6 message " },
- { MTYPE_OSPF6_LSA, "OSPF6 LSA " },
- { MTYPE_OSPF6_LSA_SUMMARY, "OSPF6 LSA summary " },
- { MTYPE_OSPF6_LSDB, "OSPF6 LSA database" },
- { MTYPE_OSPF6_VERTEX, "OSPF6 vertex " },
- { MTYPE_OSPF6_SPFTREE, "OSPF6 SPF tree " },
- { MTYPE_OSPF6_NEXTHOP, "OSPF6 nexthop " },
- { MTYPE_OSPF6_EXTERNAL_INFO,"OSPF6 ext. info " },
- { MTYPE_OSPF6_OTHER, "OSPF6 other " },
- { -1, NULL },
- };
- struct memory_list memory_list_separator[] =
- {
- { 0, NULL},
- {-1, NULL}
- };
- void
- show_memory_vty (struct vty *vty, struct memory_list *list)
- {
- struct memory_list *m;
- for (m = list; m->index >= 0; m++)
- if (m->index == 0)
- vty_out (vty, "-----------------------------rn");
- else
- vty_out (vty, "%-22s: %5ldrn", m->format, mstat[m->index].alloc);
- }
- DEFUN (show_memory_all,
- show_memory_all_cmd,
- "show memory all",
- "Show running system informationn"
- "Memory statisticsn"
- "All memory statisticsn")
- {
- show_memory_vty (vty, memory_list_lib);
- show_memory_vty (vty, memory_list_separator);
- show_memory_vty (vty, memory_list_rip);
- show_memory_vty (vty, memory_list_separator);
- show_memory_vty (vty, memory_list_ospf);
- show_memory_vty (vty, memory_list_separator);
- show_memory_vty (vty, memory_list_ospf6);
- show_memory_vty (vty, memory_list_separator);
- show_memory_vty (vty, memory_list_bgp);
- return CMD_SUCCESS;
- }
- ALIAS (show_memory_all,
- show_memory_cmd,
- "show memory",
- "Show running system informationn"
- "Memory statisticsn");
- DEFUN (show_memory_lib,
- show_memory_lib_cmd,
- "show memory lib",
- SHOW_STR
- "Memory statisticsn"
- "Library memoryn")
- {
- show_memory_vty (vty, memory_list_lib);
- return CMD_SUCCESS;
- }
- DEFUN (show_memory_rip,
- show_memory_rip_cmd,
- "show memory rip",
- SHOW_STR
- "Memory statisticsn"
- "RIP memoryn")
- {
- show_memory_vty (vty, memory_list_rip);
- return CMD_SUCCESS;
- }
- DEFUN (show_memory_bgp,
- show_memory_bgp_cmd,
- "show memory bgp",
- SHOW_STR
- "Memory statisticsn"
- "BGP memoryn")
- {
- show_memory_vty (vty, memory_list_bgp);
- return CMD_SUCCESS;
- }
- DEFUN (show_memory_ospf,
- show_memory_ospf_cmd,
- "show memory ospf",
- SHOW_STR
- "Memory statisticsn"
- "OSPF memoryn")
- {
- show_memory_vty (vty, memory_list_ospf);
- return CMD_SUCCESS;
- }
- DEFUN (show_memory_ospf6,
- show_memory_ospf6_cmd,
- "show memory ospf6",
- SHOW_STR
- "Memory statisticsn"
- "OSPF6 memoryn")
- {
- show_memory_vty (vty, memory_list_ospf6);
- return CMD_SUCCESS;
- }
- void
- memory_init ()
- {
- install_element (VIEW_NODE, &show_memory_cmd);
- install_element (VIEW_NODE, &show_memory_all_cmd);
- install_element (VIEW_NODE, &show_memory_lib_cmd);
- install_element (VIEW_NODE, &show_memory_rip_cmd);
- install_element (VIEW_NODE, &show_memory_bgp_cmd);
- install_element (VIEW_NODE, &show_memory_ospf_cmd);
- install_element (VIEW_NODE, &show_memory_ospf6_cmd);
- install_element (ENABLE_NODE, &show_memory_cmd);
- install_element (ENABLE_NODE, &show_memory_all_cmd);
- install_element (ENABLE_NODE, &show_memory_lib_cmd);
- install_element (ENABLE_NODE, &show_memory_rip_cmd);
- install_element (ENABLE_NODE, &show_memory_bgp_cmd);
- install_element (ENABLE_NODE, &show_memory_ospf_cmd);
- install_element (ENABLE_NODE, &show_memory_ospf6_cmd);
- }