/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB 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 */ /* write whats in isam.log */ #ifndef USE_MY_FUNC #define USE_MY_FUNC #endif #include "myisamdef.h" #include #include #ifdef HAVE_GETRUSAGE #include #endif #define FILENAME(A) (A ? A->show_name : "Unknown") struct file_info { long process; int filenr,id; uint rnd; my_string name,show_name,record; MI_INFO *isam; bool closed,used; ulong accessed; }; struct test_if_open_param { my_string name; int max_id; }; struct st_access_param { ulong min_accessed; struct file_info *found; }; #define NO_FILEPOS (ulong) ~0L extern int main(int argc,char * *argv); static void get_options(int *argc,char ***argv); static int examine_log(my_string file_name,char **table_names); static int read_string(IO_CACHE *file,gptr *to,uint length); static int file_info_compare(void *cmp_arg, void *a,void *b); static int test_if_open(struct file_info *key,element_count count, struct test_if_open_param *param); static void fix_blob_pointers(MI_INFO *isam,byte *record); static int test_when_accessed(struct file_info *key,element_count count, struct st_access_param *access_param); static void file_info_free(struct file_info *info); static int close_some_file(TREE *tree); static int reopen_closed_file(TREE *tree,struct file_info *file_info); static int find_record_with_key(struct file_info *file_info,byte *record); static void printf_log(const char *str,...); static bool cmp_filename(struct file_info *file_info,my_string name); static uint verbose=0,update=0,test_info=0,max_files=0,re_open_count=0, recover=0,prefix_remove=0,opt_processes=0; static my_string log_filename=0,filepath=0,write_filename=0,record_pos_file=0; static ulong com_count[10][3],number_of_commands=(ulong) ~0L, isamlog_process; static my_off_t isamlog_filepos,start_offset=0,record_pos= HA_OFFSET_ERROR; static const char *command_name[]= {"open","write","update","delete","close","extra","lock","re-open", "delete-all", NullS}; int main(int argc, char **argv) { int error,i,first; ulong total_count,total_error,total_recover; MY_INIT(argv[0]); log_filename=myisam_log_filename; get_options(&argc,&argv); /* Number of MyISAM files we can have open at one time */ max_files= (my_set_max_open_files(min(max_files,8))-6)/2; if (update) printf("Trying to %s MyISAM files according to log '%s'\n", (recover ? "recover" : "update"),log_filename); error= examine_log(log_filename,argv); if (update && ! error) puts("Tables updated successfully"); total_count=total_error=total_recover=0; for (i=first=0 ; command_name[i] ; i++) { if (com_count[i][0]) { if (!first++) { if (verbose || update) puts(""); puts("Commands Used count Errors Recover errors"); } printf("%-12s%9ld%10ld%17ld\n",command_name[i],com_count[i][0], com_count[i][1],com_count[i][2]); total_count+=com_count[i][0]; total_error+=com_count[i][1]; total_recover+=com_count[i][2]; } } if (total_count) printf("%-12s%9ld%10ld%17ld\n","Total",total_count,total_error, total_recover); if (re_open_count) printf("Had to do %d re-open because of too few possibly open files\n", re_open_count); VOID(mi_panic(HA_PANIC_CLOSE)); my_free_open_file_info(); my_end(test_info ? MY_CHECK_ERROR | MY_GIVE_INFO : MY_CHECK_ERROR); exit(error); return 0; /* No compiler warning */ } /* main */ static void get_options(register int *argc, register char ***argv) { int help,version; const char *pos,*usage; char option; help=0; usage="Usage: %s [-?iruvDIV] [-c #] [-f #] [-F filepath/] [-o #] [-R file recordpos] [-w write_file] [log-filename [table ...]] \n"; pos=""; while (--*argc > 0 && *(pos = *(++*argv)) == '-' ) { while (*++pos) { version=0; switch((option=*pos)) { case '#': DBUG_PUSH (++pos); pos=" "; /* Skip rest of arg */ break; case 'c': if (! *++pos) { if (!--*argc) goto err; else pos= *(++*argv); } number_of_commands=(ulong) atol(pos); pos=" "; break; case 'u': update=1; break; case 'f': if (! *++pos) { if (!--*argc) goto err; else pos= *(++*argv); } max_files=(uint) atoi(pos); pos=" "; break; case 'i': test_info=1; break; case 'o': if (! *++pos) { if (!--*argc) goto err; else pos= *(++*argv); } start_offset=(my_off_t) strtoll(pos,NULL,10); pos=" "; break; case 'p': if (! *++pos) { if (!--*argc) goto err; else pos= *(++*argv); } prefix_remove=atoi(pos); break; case 'r': update=1; recover++; break; case 'P': opt_processes=1; break; case 'R': if (! *++pos) { if (!--*argc) goto err; else pos= *(++*argv); } record_pos_file=(char*) pos; if (!--*argc) goto err; record_pos=(my_off_t) strtoll(*(++*argv),NULL,10); pos=" "; break; case 'v': verbose++; break; case 'w': if (! *++pos) { if (!--*argc) goto err; else pos= *(++*argv); } write_filename=(char*) pos; pos=" "; break; case 'F': if (! *++pos) { if (!--*argc) goto err; else pos= *(++*argv); } filepath= (char*) pos; pos=" "; break; case 'V': version=1; /* Fall through */ case 'I': case '?': #include printf("%s Ver 1.4 for %s at %s\n",my_progname,SYSTEM_TYPE, MACHINE_TYPE); puts("By Monty, for your professional use\n"); if (version) break; puts("Write info about whats in a MyISAM log file."); printf("If no file name is given %s is used\n",log_filename); puts(""); printf(usage,my_progname); puts(""); puts("Options: -? or -I \"Info\" -V \"version\" -c \"do only # commands\""); puts(" -f \"max open files\" -F \"filepath\" -i \"extra info\""); puts(" -o \"offset\" -p # \"remove # components from path\""); puts(" -r \"recover\" -R \"file recordposition\""); puts(" -u \"update\" -v \"verbose\" -w \"write file\""); puts(" -D \"myisam compiled with DBUG\" -P \"processes\""); puts("\nOne can give a second and a third '-v' for more verbose."); puts("Normaly one does a update (-u)."); puts("If a recover is done all writes and all possibly updates and deletes is done\nand errors are only counted."); puts("If one gives table names as arguments only these tables will be updated\n"); help=1; #include break; default: printf("illegal option: \"-%c\"\n",*pos); break; } } } if (! *argc) { if (help) exit(0); (*argv)++; } if (*argc >= 1) { log_filename=(char*) pos; (*argc)--; (*argv)++; } return; err: VOID(fprintf(stderr,"option \"%c\" used without or with wrong argument\n", option)); exit(1); } static int examine_log(my_string file_name, char **table_names) { uint command,result,files_open; ulong access_time,length; my_off_t filepos; int lock_command,mi_result; char isam_file_name[FN_REFLEN],llbuff[21],llbuff2[21]; uchar head[20]; gptr buff; struct test_if_open_param open_param; IO_CACHE cache; File file; FILE *write_file; enum ha_extra_function extra_command; TREE tree; struct file_info file_info,*curr_file_info; DBUG_ENTER("examine_log"); if ((file=my_open(file_name,O_RDONLY,MYF(MY_WME))) < 0) DBUG_RETURN(1); write_file=0; if (write_filename) { if (!(write_file=my_fopen(write_filename,O_WRONLY,MYF(MY_WME)))) { my_close(file,MYF(0)); DBUG_RETURN(1); } } init_io_cache(&cache,file,0,READ_CACHE,start_offset,0,MYF(0)); bzero((gptr) com_count,sizeof(com_count)); init_tree(&tree,0,0,sizeof(file_info),(qsort_cmp2) file_info_compare,1, (tree_element_free) file_info_free, NULL); VOID(init_key_cache(dflt_key_cache,KEY_CACHE_BLOCK_SIZE,KEY_CACHE_SIZE, 0, 0)); files_open=0; access_time=0; while (access_time++ != number_of_commands && !my_b_read(&cache,(byte*) head,9)) { isamlog_filepos=my_b_tell(&cache)-9L; file_info.filenr= mi_uint2korr(head+1); isamlog_process=file_info.process=(long) mi_uint4korr(head+3); if (!opt_processes) file_info.process=0; result= mi_uint2korr(head+7); if ((curr_file_info=(struct file_info*) tree_search(&tree, &file_info, tree.custom_arg))) { curr_file_info->accessed=access_time; if (update && curr_file_info->used && curr_file_info->closed) { if (reopen_closed_file(&tree,curr_file_info)) { command=sizeof(com_count)/sizeof(com_count[0][0])/3; result=0; goto com_err; } } } command=(uint) head[0]; if (command < sizeof(com_count)/sizeof(com_count[0][0])/3 && (!table_names[0] || (curr_file_info && curr_file_info->used))) { com_count[command][0]++; if (result) com_count[command][1]++; } switch ((enum myisam_log_commands) command) { case MI_LOG_OPEN: if (!table_names[0]) { com_count[command][0]--; /* Must be counted explicite */ if (result) com_count[command][1]--; } if (curr_file_info) printf("\nWarning: %s is opened with same process and filenumber\nMaybe you should use the -P option ?\n", curr_file_info->show_name); if (my_b_read(&cache,(byte*) head,2)) goto err; file_info.name=0; file_info.show_name=0; file_info.record=0; if (read_string(&cache,(gptr*) &file_info.name, (uint) mi_uint2korr(head))) goto err; { uint i; char *pos,*to; /* Fix if old DOS files to new format */ for (pos=file_info.name; (pos=strchr(pos,'\\')) ; pos++) *pos= '/'; pos=file_info.name; for (i=0 ; i < prefix_remove ; i++) { char *next; if (!(next=strchr(pos,'/'))) break; pos=next+1; } to=isam_file_name; if (filepath) to=convert_dirname(isam_file_name,filepath,NullS); strmov(to,pos); fn_ext(isam_file_name)[0]=0; /* Remove extension */ } open_param.name=file_info.name; open_param.max_id=0; VOID(tree_walk(&tree,(tree_walk_action) test_if_open,(void*) &open_param, left_root_right)); file_info.id=open_param.max_id+1; /* * In the line below +10 is added to accomodate '<' and '>' chars * plus '\0' at the end, so that there is place for 7 digits. * It is improbable that same table can have that many entries in * the table cache. * The additional space is needed for the sprintf commands two lines * below. */ file_info.show_name=my_memdup(isam_file_name, (uint) strlen(isam_file_name)+10, MYF(MY_WME)); if (file_info.id > 1) sprintf(strend(file_info.show_name),"<%d>",file_info.id); file_info.closed=1; file_info.accessed=access_time; file_info.used=1; if (table_names[0]) { char **name; file_info.used=0; for (name=table_names ; *name ; name++) { if (!strcmp(*name,isam_file_name)) file_info.used=1; /* Update/log only this */ } } if (update && file_info.used) { if (files_open >= max_files) { if (close_some_file(&tree)) goto com_err; files_open--; } if (!(file_info.isam= mi_open(isam_file_name,O_RDWR, HA_OPEN_WAIT_IF_LOCKED))) goto com_err; if (!(file_info.record=my_malloc(file_info.isam->s->base.reclength, MYF(MY_WME)))) goto end; files_open++; file_info.closed=0; } VOID(tree_insert(&tree, (gptr) &file_info, 0, tree.custom_arg)); if (file_info.used) { if (verbose && !record_pos_file) printf_log("%s: open -> %d",file_info.show_name, file_info.filenr); com_count[command][0]++; if (result) com_count[command][1]++; } break; case MI_LOG_CLOSE: if (verbose && !record_pos_file && (!table_names[0] || (curr_file_info && curr_file_info->used))) printf_log("%s: %s -> %d",FILENAME(curr_file_info), command_name[command],result); if (curr_file_info) { if (!curr_file_info->closed) files_open--; VOID(tree_delete(&tree, (gptr) curr_file_info, tree.custom_arg)); } break; case MI_LOG_EXTRA: if (my_b_read(&cache,(byte*) head,1)) goto err; extra_command=(enum ha_extra_function) head[0]; if (verbose && !record_pos_file && (!table_names[0] || (curr_file_info && curr_file_info->used))) printf_log("%s: %s(%d) -> %d",FILENAME(curr_file_info), command_name[command], (int) extra_command,result); if (update && curr_file_info && !curr_file_info->closed) { if (mi_extra(curr_file_info->isam, extra_command, 0) != (int) result) { fflush(stdout); VOID(fprintf(stderr, "Warning: error %d, expected %d on command %s at %s\n", my_errno,result,command_name[command], llstr(isamlog_filepos,llbuff))); fflush(stderr); } } break; case MI_LOG_DELETE: if (my_b_read(&cache,(byte*) head,8)) goto err; filepos=mi_sizekorr(head); if (verbose && (!record_pos_file || ((record_pos == filepos || record_pos == NO_FILEPOS) && !cmp_filename(curr_file_info,record_pos_file))) && (!table_names[0] || (curr_file_info && curr_file_info->used))) printf_log("%s: %s at %ld -> %d",FILENAME(curr_file_info), command_name[command],(long) filepos,result); if (update && curr_file_info && !curr_file_info->closed) { if (mi_rrnd(curr_file_info->isam,curr_file_info->record,filepos)) { if (!recover) goto com_err; if (verbose) printf_log("error: Didn't find row to delete with mi_rrnd"); com_count[command][2]++; /* Mark error */ } mi_result=mi_delete(curr_file_info->isam,curr_file_info->record); if ((mi_result == 0 && result) || (mi_result && (uint) my_errno != result)) { if (!recover) goto com_err; if (mi_result) com_count[command][2]++; /* Mark error */ if (verbose) printf_log("error: Got result %d from mi_delete instead of %d", mi_result, result); } } break; case MI_LOG_WRITE: case MI_LOG_UPDATE: if (my_b_read(&cache,(byte*) head,12)) goto err; filepos=mi_sizekorr(head); length=mi_uint4korr(head+8); buff=0; if (read_string(&cache,&buff,(uint) length)) goto err; if ((!record_pos_file || ((record_pos == filepos || record_pos == NO_FILEPOS) && !cmp_filename(curr_file_info,record_pos_file))) && (!table_names[0] || (curr_file_info && curr_file_info->used))) { if (write_file && (my_fwrite(write_file,buff,length,MYF(MY_WAIT_IF_FULL | MY_NABP)))) goto end; if (verbose) printf_log("%s: %s at %ld, length=%ld -> %d", FILENAME(curr_file_info), command_name[command], filepos,length,result); } if (update && curr_file_info && !curr_file_info->closed) { if (curr_file_info->isam->s->base.blobs) fix_blob_pointers(curr_file_info->isam,buff); if ((enum myisam_log_commands) command == MI_LOG_UPDATE) { if (mi_rrnd(curr_file_info->isam,curr_file_info->record,filepos)) { if (!recover) { result=0; goto com_err; } if (verbose) printf_log("error: Didn't find row to update with mi_rrnd"); if (recover == 1 || result || find_record_with_key(curr_file_info,buff)) { com_count[command][2]++; /* Mark error */ break; } } mi_result=mi_update(curr_file_info->isam,curr_file_info->record, buff); if ((mi_result == 0 && result) || (mi_result && (uint) my_errno != result)) { if (!recover) goto com_err; if (verbose) printf_log("error: Got result %d from mi_update instead of %d", mi_result, result); if (mi_result) com_count[command][2]++; /* Mark error */ } } else { mi_result=mi_write(curr_file_info->isam,buff); if ((mi_result == 0 && result) || (mi_result && (uint) my_errno != result)) { if (!recover) goto com_err; if (verbose) printf_log("error: Got result %d from mi_write instead of %d", mi_result, result); if (mi_result) com_count[command][2]++; /* Mark error */ } if (!recover && filepos != curr_file_info->isam->lastpos) { printf("error: Wrote at position: %s, should have been %s", llstr(curr_file_info->isam->lastpos,llbuff), llstr(filepos,llbuff2)); goto end; } } } my_free(buff,MYF(0)); break; case MI_LOG_LOCK: if (my_b_read(&cache,(byte*) head,sizeof(lock_command))) goto err; memcpy_fixed(&lock_command,head,sizeof(lock_command)); if (verbose && !record_pos_file && (!table_names[0] || (curr_file_info && curr_file_info->used))) printf_log("%s: %s(%d) -> %d\n",FILENAME(curr_file_info), command_name[command],lock_command,result); if (update && curr_file_info && !curr_file_info->closed) { if (mi_lock_database(curr_file_info->isam,lock_command) != (int) result) goto com_err; } break; case MI_LOG_DELETE_ALL: if (verbose && !record_pos_file && (!table_names[0] || (curr_file_info && curr_file_info->used))) printf_log("%s: %s -> %d\n",FILENAME(curr_file_info), command_name[command],result); break; default: fflush(stdout); VOID(fprintf(stderr, "Error: found unknown command %d in logfile, aborted\n", command)); fflush(stderr); goto end; } } end_key_cache(dflt_key_cache,1); delete_tree(&tree); VOID(end_io_cache(&cache)); VOID(my_close(file,MYF(0))); if (write_file && my_fclose(write_file,MYF(MY_WME))) DBUG_RETURN(1); DBUG_RETURN(0); err: fflush(stdout); VOID(fprintf(stderr,"Got error %d when reading from logfile\n",my_errno)); fflush(stderr); goto end; com_err: fflush(stdout); VOID(fprintf(stderr,"Got error %d, expected %d on command %s at %s\n", my_errno,result,command_name[command], llstr(isamlog_filepos,llbuff))); fflush(stderr); end: end_key_cache(dflt_key_cache, 1); delete_tree(&tree); VOID(end_io_cache(&cache)); VOID(my_close(file,MYF(0))); if (write_file) VOID(my_fclose(write_file,MYF(MY_WME))); DBUG_RETURN(1); } static int read_string(IO_CACHE *file, register gptr *to, register uint length) { DBUG_ENTER("read_string"); if (*to) my_free((gptr) *to,MYF(0)); if (!(*to= (gptr) my_malloc(length+1,MYF(MY_WME))) || my_b_read(file,(byte*) *to,length)) { if (*to) my_free(*to,MYF(0)); *to= 0; DBUG_RETURN(1); } *((char*) *to+length)= '\0'; DBUG_RETURN (0); } /* read_string */ static int file_info_compare(void* cmp_arg __attribute__((unused)), void *a, void *b) { long lint; if ((lint=((struct file_info*) a)->process - ((struct file_info*) b)->process)) return lint < 0L ? -1 : 1; return ((struct file_info*) a)->filenr - ((struct file_info*) b)->filenr; } /* ARGSUSED */ static int test_if_open (struct file_info *key, element_count count __attribute__((unused)), struct test_if_open_param *param) { if (!strcmp(key->name,param->name) && key->id > param->max_id) param->max_id=key->id; return 0; } static void fix_blob_pointers(MI_INFO *info, byte *record) { byte *pos; MI_BLOB *blob,*end; pos=record+info->s->base.reclength; for (end=info->blobs+info->s->base.blobs, blob= info->blobs; blob != end ; blob++) { memcpy_fixed(record+blob->offset+blob->pack_length,&pos,sizeof(char*)); pos+=_mi_calc_blob_length(blob->pack_length,record+blob->offset); } } /* close the file with hasn't been accessed for the longest time */ /* ARGSUSED */ static int test_when_accessed (struct file_info *key, element_count count __attribute__((unused)), struct st_access_param *access_param) { if (key->accessed < access_param->min_accessed && ! key->closed) { access_param->min_accessed=key->accessed; access_param->found=key; } return 0; } static void file_info_free(struct file_info *fileinfo) { DBUG_ENTER("file_info_free"); if (update) { if (!fileinfo->closed) VOID(mi_close(fileinfo->isam)); if (fileinfo->record) my_free(fileinfo->record,MYF(0)); } my_free(fileinfo->name,MYF(0)); my_free(fileinfo->show_name,MYF(0)); DBUG_VOID_RETURN; } static int close_some_file(TREE *tree) { struct st_access_param access_param; access_param.min_accessed=LONG_MAX; access_param.found=0; VOID(tree_walk(tree,(tree_walk_action) test_when_accessed, (void*) &access_param,left_root_right)); if (!access_param.found) return 1; /* No open file that is possibly to close */ if (mi_close(access_param.found->isam)) return 1; access_param.found->closed=1; return 0; } static int reopen_closed_file(TREE *tree, struct file_info *fileinfo) { char name[FN_REFLEN]; if (close_some_file(tree)) return 1; /* No file to close */ strmov(name,fileinfo->show_name); if (fileinfo->id > 1) *strrchr(name,'<')='\0'; /* Remove "" */ if (!(fileinfo->isam= mi_open(name,O_RDWR,HA_OPEN_WAIT_IF_LOCKED))) return 1; fileinfo->closed=0; re_open_count++; return 0; } /* Try to find record with uniq key */ static int find_record_with_key(struct file_info *file_info, byte *record) { uint key; MI_INFO *info=file_info->isam; uchar tmp_key[MI_MAX_KEY_BUFF]; for (key=0 ; key < info->s->base.keys ; key++) { if ((((ulonglong) 1 << key) & info->s->state.key_map) && info->s->keyinfo[key].flag & HA_NOSAME) { VOID(_mi_make_key(info,key,tmp_key,record,0L)); return mi_rkey(info,file_info->record,(int) key,(char*) tmp_key,0, HA_READ_KEY_EXACT); } } return 1; } static void printf_log(const char *format,...) { char llbuff[21]; va_list args; va_start(args,format); if (verbose > 2) printf("%9s:",llstr(isamlog_filepos,llbuff)); if (verbose > 1) printf("%5ld ",isamlog_process); /* Write process number */ (void) vprintf((char*) format,args); putchar('\n'); va_end(args); } static bool cmp_filename(struct file_info *file_info, my_string name) { if (!file_info) return 1; return strcmp(file_info->name,name) ? 1 : 0; }