| /* |
| * 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" |
| |
| static void alloc_inc (int); |
| static void alloc_dec (int); |
| static void log_memstats(int log_priority); |
| |
| static 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) |
| { |
| 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_safe here, since |
| that function should definitely be safe in an OOM condition. But |
| unfortunately zlog_backtrace_safe does not support syslog logging at |
| this time... */ |
| zlog_backtrace(LOG_WARNING); |
| abort(); |
| } |
| |
| /* 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, 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; |
| 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]; |
| |
| static 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, 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; |
| unsigned long alloc; |
| } mstat [MTYPE_MAX]; |
| #endif /* MTPYE_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" |
| |
| /* For pretty printng of memory allocate information. */ |
| struct memory_list |
| { |
| int index; |
| const char *format; |
| }; |
| |
| static struct memory_list memory_list_lib[] = |
| { |
| { MTYPE_TMP, "Temporary memory" }, |
| { MTYPE_ROUTE_TABLE, "Route table " }, |
| { MTYPE_ROUTE_NODE, "Route node " }, |
| { MTYPE_RIB, "RIB " }, |
| { MTYPE_DISTRIBUTE, "Distribute list " }, |
| { MTYPE_DISTRIBUTE_IFNAME, "Dist-list ifname" }, |
| { 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_ROUTE_MAP_COMPILED, "Route map compiled" }, |
| { 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 } |
| }; |
| |
| static 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 } |
| }; |
| |
| static 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 } |
| }; |
| |
| static struct memory_list memory_list_ripng[] = |
| { |
| { MTYPE_RIPNG, "RIPng structure " }, |
| { MTYPE_RIPNG_ROUTE, "RIPng route info" }, |
| { MTYPE_RIPNG_AGGREGATE, "RIPng aggregate " }, |
| { MTYPE_RIPNG_PEER, "RIPng peer " }, |
| { MTYPE_RIPNG_OFFSET_LIST, "RIPng offset lst" }, |
| { MTYPE_RIPNG_RTE_DATA, "RIPng rte data " }, |
| { -1, NULL } |
| }; |
| |
| static 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 }, |
| }; |
| |
| static 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 }, |
| }; |
| |
| static struct memory_list memory_list_isis[] = |
| { |
| { MTYPE_ISIS, "ISIS " }, |
| { MTYPE_ISIS_TMP, "ISIS TMP " }, |
| { MTYPE_ISIS_CIRCUIT, "ISIS circuit " }, |
| { MTYPE_ISIS_LSP, "ISIS LSP " }, |
| { MTYPE_ISIS_ADJACENCY, "ISIS adjacency " }, |
| { MTYPE_ISIS_AREA, "ISIS area " }, |
| { MTYPE_ISIS_AREA_ADDR, "ISIS area address " }, |
| { MTYPE_ISIS_TLV, "ISIS TLV " }, |
| { MTYPE_ISIS_DYNHN, "ISIS dyn hostname " }, |
| { MTYPE_ISIS_SPFTREE, "ISIS SPFtree " }, |
| { MTYPE_ISIS_VERTEX, "ISIS vertex " }, |
| { MTYPE_ISIS_ROUTE_INFO, "ISIS route info " }, |
| { MTYPE_ISIS_NEXTHOP, "ISIS nexthop " }, |
| { MTYPE_ISIS_NEXTHOP6, "ISIS nexthop6 " }, |
| { -1, NULL }, |
| }; |
| |
| static struct mlist { |
| struct memory_list *list; |
| const char *name; |
| } mlists[] = { |
| { memory_list_lib, "LIB"}, |
| { memory_list_rip, "RIP"}, |
| { memory_list_ripng, "RIPNG"}, |
| { memory_list_ospf, "OSPF"}, |
| { memory_list_ospf6, "OSPF6"}, |
| { memory_list_isis, "ISIS"}, |
| { memory_list_bgp, "BGP"}, |
| { NULL, NULL}, |
| }; |
| |
| 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, " %-22s: %5ld", m->format, mstat[m->index].alloc); |
| } |
| } |
| |
| static struct memory_list memory_list_separator[] = |
| { |
| { 0, NULL}, |
| {-1, NULL} |
| }; |
| |
| static 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, "-----------------------------\r\n"); |
| else |
| vty_out (vty, "%-22s: %5ld\r\n", m->format, mstat[m->index].alloc); |
| } |
| |
| DEFUN (show_memory_all, |
| show_memory_all_cmd, |
| "show memory all", |
| "Show running system information\n" |
| "Memory statistics\n" |
| "All memory statistics\n") |
| { |
| struct mlist *ml; |
| |
| for (ml = mlists; ml->list; ml++) |
| { |
| if (ml != mlists) |
| show_memory_vty (vty, memory_list_separator); |
| show_memory_vty (vty, ml->list); |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS (show_memory_all, |
| show_memory_cmd, |
| "show memory", |
| "Show running system information\n" |
| "Memory statistics\n") |
| |
| DEFUN (show_memory_lib, |
| show_memory_lib_cmd, |
| "show memory lib", |
| SHOW_STR |
| "Memory statistics\n" |
| "Library memory\n") |
| { |
| show_memory_vty (vty, memory_list_lib); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (show_memory_rip, |
| show_memory_rip_cmd, |
| "show memory rip", |
| SHOW_STR |
| "Memory statistics\n" |
| "RIP memory\n") |
| { |
| show_memory_vty (vty, memory_list_rip); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (show_memory_ripng, |
| show_memory_ripng_cmd, |
| "show memory ripng", |
| SHOW_STR |
| "Memory statistics\n" |
| "RIPng memory\n") |
| { |
| show_memory_vty (vty, memory_list_ripng); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (show_memory_bgp, |
| show_memory_bgp_cmd, |
| "show memory bgp", |
| SHOW_STR |
| "Memory statistics\n" |
| "BGP memory\n") |
| { |
| show_memory_vty (vty, memory_list_bgp); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (show_memory_ospf, |
| show_memory_ospf_cmd, |
| "show memory ospf", |
| SHOW_STR |
| "Memory statistics\n" |
| "OSPF memory\n") |
| { |
| show_memory_vty (vty, memory_list_ospf); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (show_memory_ospf6, |
| show_memory_ospf6_cmd, |
| "show memory ospf6", |
| SHOW_STR |
| "Memory statistics\n" |
| "OSPF6 memory\n") |
| { |
| show_memory_vty (vty, memory_list_ospf6); |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (show_memory_isis, |
| show_memory_isis_cmd, |
| "show memory isis", |
| SHOW_STR |
| "Memory statistics\n" |
| "ISIS memory\n") |
| { |
| show_memory_vty (vty, memory_list_isis); |
| return CMD_SUCCESS; |
| } |
| |
| void |
| memory_init (void) |
| { |
| 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_ripng_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 (VIEW_NODE, &show_memory_isis_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_ripng_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); |
| install_element (ENABLE_NODE, &show_memory_isis_cmd); |
| } |