static int MakeLinearIndex(DPS_AGENT *Indexer, const char *field, const char *lim_name, int type, DPS_DB *db) {
DPS_ENV *Conf = Indexer->Conf;
DPS_UINT4URLIDLIST L;
size_t k,prev;
urlid_t *data = NULL;
DPS_UINT4_POS_LEN *ind=NULL;
size_t mind=1000,nind=0;
char fname[PATH_MAX];
int dat_fd=0, ind_fd=0, rc;
const char *vardir = (db->vardir) ? db->vardir : DpsVarListFindStr(&Conf->Vars, "VarDir", DPS_VAR_DIR);
bzero(&L, sizeof(DPS_UINT4URLIDLIST));
rc = DpsLimit4(Indexer, &L, field, type, db);
if(rc != DPS_OK) {
DpsLog(Indexer, DPS_LOG_ERROR, "Error: %s [%s:%d]", DpsEnvErrMsg(Conf), __FILE__, __LINE__);
goto err1;
}
if(!L.Item)return(1);
if (L.nitems > 1) DpsSort(L.Item, L.nitems, sizeof(DPS_UINT4URLID), (qsort_cmp)cmp_ind4);
data = (urlid_t*)DpsMalloc((L.nitems + 1) * sizeof(*data));
if(!data) {
fprintf(stderr,"Error1: %s\n",strerror(errno));
goto err1;
}
ind=(DPS_UINT4_POS_LEN*)DpsMalloc(mind*sizeof(DPS_UINT4_POS_LEN));
if(!ind) {
fprintf(stderr,"Error2: %s\n",strerror(errno));
goto err1;
}
prev=0;
for(k=0; k<L.nitems; k++) {
data[k]=L.Item[k].url_id;
if((k==L.nitems-1) || (L.Item[k].val!=L.Item[prev].val)) {
if(nind==mind) {
mind+=1000;
ind=(DPS_UINT4_POS_LEN*)DpsRealloc(ind,mind*sizeof(DPS_UINT4_POS_LEN));
if(!ind) {
fprintf(stderr,"Error3: %s\n",strerror(errno));
goto err1;
}
}
/* Fill index */
ind[nind].val=L.Item[prev].val;
ind[nind].pos = prev * sizeof(*data);
if (k == L.nitems - 1) ind[nind].len = (k - prev + 1) * sizeof(*data);
else ind[nind].len = (k - prev) * sizeof(*data);
DpsLog(Indexer, DPS_LOG_DEBUG, "%d - pos:%x len:%d\n", ind[nind].val, (int)ind[nind].pos, ind[nind].len);
nind++;
prev=k;
}
}
if (L.mapped) {
#ifdef HAVE_SYS_MMAN_H
if (munmap(L.Item, (L.nitems + 1) * sizeof(DPS_UINT4URLID))) {
fprintf(stderr, "Can't shmdt '%s': %s\n", L.shm_name, strerror(errno));
}
#elif defined(HAVE_SYS_SHM_H)
if (shmdt(L.Item)) {
fprintf(stderr, "Can't shmdt '%s': %s\n", L.shm_name, strerror(errno));
}
#endif
unlink(L.shm_name);
} else {
DPS_FREE(L.Item);
}
dps_snprintf(fname,sizeof(fname),"%s%c%s%c%s.dat", vardir,DPSSLASH, DPS_TREEDIR, DPSSLASH, lim_name);
if((dat_fd = DpsOpen3(fname, O_CREAT | O_WRONLY | O_TRUNC | DPS_BINARY, DPS_IWRITE)) < 0) {
fprintf(stderr,"Can't open '%s': %s\n",fname,strerror(errno));
goto err1;
}
DpsWriteLock(dat_fd);
if((L.nitems * sizeof(*data)) != (size_t)write(dat_fd, data, L.nitems * sizeof(*data))) {
fprintf(stderr,"Can't write '%s': %s\n",fname,strerror(errno));
goto err1;
}
DpsUnLock(dat_fd);
DpsClose(dat_fd);
DPS_FREE(data);
dps_snprintf(fname,sizeof(fname),"%s%c%s%c%s.ind", vardir,DPSSLASH, DPS_TREEDIR, DPSSLASH, lim_name);
if((ind_fd = DpsOpen3(fname, O_CREAT | O_WRONLY | O_TRUNC | DPS_BINARY, DPS_IWRITE)) < 0) {
fprintf(stderr,"Can't open '%s': %s\n",fname,strerror(errno));
goto err1;
}
DpsWriteLock(ind_fd);
if((nind*sizeof(DPS_UINT4_POS_LEN)) != (size_t)write(ind_fd,ind,nind*sizeof(DPS_UINT4_POS_LEN))) {
fprintf(stderr,"Can't write '%s': %s\n",fname,strerror(errno));
goto err1;
}
DpsUnLock(ind_fd);
DpsClose(ind_fd);
DPS_FREE(ind);
return(0);
err1:
if (L.mapped) {
#ifdef HAVE_SYS_MMAN_H
if (munmap(L.Item, (L.nitems + 1) * sizeof(DPS_UINT4URLID))) {
fprintf(stderr, "Can't shmdt '%s': %s\n", L.shm_name, strerror(errno));
}
#elif defined(HAVE_SYS_SHM_H)
if (shmdt(L.Item)) {
fprintf(stderr, "Can't shmdt '%s': %s\n", L.shm_name, strerror(errno));
}
#endif
unlink(L.shm_name);
} else {
DPS_FREE(L.Item);
}
DPS_FREE(data);
DPS_FREE(ind);
if(dat_fd) DpsClose(dat_fd);
if(ind_fd) DpsClose(ind_fd);
return(1);
}
int main(int argc,char **argv, char **envp) {
int ch, sleeps = 1, optimize = 0, obi = 0;
unsigned int from = 0, to = 0xFFF, p_to = 0;
DPS_ENV * Env;
const char * config_name = DPS_CONF_DIR "/cached.conf";
DpsInit(argc, argv, envp); /* Initialize library */
DpsInitMutexes();
Env=DpsEnvInit(NULL);
if (Env == NULL) exit(1);
DpsSetLockProc(Env, DpsLockProc);
/*#ifndef HAVE_SETPROCTITLE*/
ARGV = argv;
ARGC = argc;
/*#endif*/
while ((ch = getopt(argc, argv, "blt:f:op:w:v:h?")) != -1){
switch (ch) {
case 'f':
sscanf(optarg, "%x", &from);
break;
case 't':
sscanf(optarg, "%x", &p_to);
break;
case 'w':
DpsVarListReplaceStr(&Env->Vars, "VarDir", optarg);
break;
case 'v': DpsSetLogLevel(NULL, atoi(optarg)); break;
case 'b': obi++; break;
case 'o': optimize++; break;
case 'p': sleeps = atoi(optarg); break;
case 'h':
case '?':
default:
usage();
DpsEnvFree(Env);
DpsDeInit();
DpsDestroyMutexes();
return 1;
break;
}
}
argc -= optind;
argv += optind;
if(argc > 1) {
usage();
DpsEnvFree(Env);
DpsDeInit();
DpsDestroyMutexes();
return 1;
} else if (argc == 1) {
config_name = argv[0];
}
{
DPS_LOGDEL *del_buf=NULL;
size_t del_count = 0, log, bytes, n = 0;
int dd, log_fd;
struct stat sb;
char dname[PATH_MAX] = "";
DPS_BASE_PARAM P;
DPS_LOGWORD *log_buf = NULL;
DPS_AGENT *Indexer = DpsAgentInit(NULL, Env, 0);
log2stderr = 1;
if (Indexer == NULL) {
fprintf(stderr, "Can't alloc Agent at %s:%d\n", __FILE__, __LINE__);
exit(DPS_ERROR);
}
if(DPS_OK != DpsEnvLoad(Indexer, config_name, (dps_uint8)0)){
fprintf(stderr, "%s\n", DpsEnvErrMsg(Env));
DpsEnvFree(Env);
DpsDeInit();
DpsDestroyMutexes();
return DPS_ERROR;
}
DpsOpenLog("splitter", Env, log2stderr);
Indexer->flags = Env->flags = DPS_FLAG_UNOCON;
DpsVarListAddLst(&Indexer->Vars, &Env->Vars, NULL, "*");
bzero(&P, sizeof(P));
P.subdir = DPS_TREEDIR;
P.basename = "wrd";
P.indname = "wrd";
P.mode = DPS_WRITE_LOCK;
P.NFiles = DpsVarListFindInt(&Indexer->Conf->Vars, "WrdFiles", 0x300);
P.vardir = DpsStrdup(DpsVarListFindStr(&Indexer->Conf->Vars, "VarDir", DPS_VAR_DIR));
P.A = Indexer;
if (p_to != 0) to = p_to;
else to = P.NFiles - 1;
#ifdef HAVE_ZLIB
P.zlib_method = Z_DEFLATED;
P.zlib_level = 9;
P.zlib_windowBits = DPS_BASE_WRD_WINDOWBITS;
P.zlib_memLevel = 9;
P.zlib_strategy = DPS_BASE_WRD_STRATEGY;
#endif
/* Open del log file */
dps_snprintf(dname,sizeof(dname),"%s%c%s%cdel-split.log", P.vardir, DPSSLASH, DPS_SPLDIR, DPSSLASH);
if((dd = DpsOpen2(dname, O_RDONLY | DPS_BINARY)) < 0) {
dps_strerror(NULL, 0, "Can't open del log '%s'", dname);
exit(DPS_ERROR);
}
DpsLog(Indexer, DPS_LOG_DEBUG, "VarDir: %s, WrdFiles: %d [%x]", P.vardir, P.NFiles, P.NFiles);
/* Allocate del buffer */
fstat(dd, &sb);
if (sb.st_size != 0) {
del_buf=(DPS_LOGDEL*)DpsMalloc((size_t)sb.st_size + 1);
if (del_buf == NULL) {
fprintf(stderr, "Can't alloc %d bytes at %s:%d\n", (int)sb.st_size, __FILE__, __LINE__);
exit(0);
}
del_count=read(dd,del_buf,(size_t)sb.st_size)/sizeof(DPS_LOGDEL);
}
DpsClose(dd);
/* Remove duplicates URLs in DEL log */
/* Keep only oldest records for each URL */
if (del_count > 0) {
DpsLog(Indexer, DPS_LOG_DEBUG, "Sorting del_buf: %d items", del_count);
if (del_count > 1) DpsSort(del_buf, (size_t)del_count, sizeof(DPS_LOGDEL), DpsCmpurldellog);
DpsLog(Indexer, DPS_LOG_DEBUG, "Removing DelLogDups");
del_count = DpsRemoveDelLogDups(del_buf, del_count);
}
DpsLog(Indexer, DPS_LOG_DEBUG, "Processing Bufs from %d [%x] to %d [%x]", from, from, to, to);
for(log = from; log <= to; log++) {
/* Open log file */
dps_snprintf(dname, sizeof(dname), "%s%c%s%c%03X-split.log", P.vardir, DPSSLASH, DPS_SPLDIR, DPSSLASH, log);
if((log_fd = DpsOpen2(dname, O_RDWR|DPS_BINARY)) < 0){
if (errno == ENOENT) {
dps_strerror(Indexer, DPS_LOG_DEBUG, "Can't open '%s'", dname);
n = 0;
/* continue;*/
} else {
dps_strerror(Indexer, DPS_LOG_ERROR, "Can't open '%s'", dname);
continue;
}
} else {
DpsWriteLock(log_fd);
DpsLog(Indexer, DPS_LOG_DEBUG, "Processing Log: %x", log);
fstat(log_fd, &sb);
log_buf = (sb.st_size > 0) ? (DPS_LOGWORD*)DpsMalloc((size_t)sb.st_size + 1) : NULL;
if (log_buf != NULL) {
unlink(dname);
bytes = read(log_fd,log_buf,(size_t)sb.st_size);
(void)ftruncate(log_fd, (off_t)0);
DpsUnLock(log_fd);
DpsClose(log_fd);
n = bytes / sizeof(DPS_LOGWORD);
DpsLog(Indexer, DPS_LOG_DEBUG, "Sorting log_buf: %d items", n);
if (n > 1) DpsSort(log_buf, n, sizeof(DPS_LOGWORD), (qsort_cmp)DpsCmplog);
DpsLog(Indexer, DPS_LOG_DEBUG, "Removing OldWords");
n = DpsRemoveOldWords(log_buf, n, del_buf, del_count);
if (n > 1) DpsSort(log_buf, n, sizeof(DPS_LOGWORD), (qsort_cmp)DpsCmplog_wrd);
} else {
n = 0;
DpsUnLock(log_fd);
DpsClose(log_fd);
}
}
DpsLog(Indexer, DPS_LOG_DEBUG, "Processing Buf, optimize: %d", optimize);
if (obi) DpsBaseOptimize(&P, log);
DpsProcessBuf(Indexer, &P, log, log_buf, n, del_buf, del_count);
if (optimize) DpsBaseOptimize(&P, log);
DpsBaseClose(&P);
DPS_FREE(log_buf);
DpsLog(Indexer, DPS_LOG_DEBUG, "pas done: %d from %d to %d", log, from, to);
DPSSLEEP(sleeps);
}
DPS_FREE(del_buf);
DpsAgentFree(Indexer);
DPS_FREE(P.vardir);
}
fprintf(stderr, "Splitting done.\n");
DpsEnvFree(Env);
DpsDeInit();
DpsDestroyMutexes();
#ifdef EFENCE
fprintf(stderr, "Memory leaks checking\n");
DpsEfenceCheckLeaks();
#endif
#ifdef FILENCE
fprintf(stderr, "FD leaks checking\n");
DpsFilenceCheckLeaks(NULL);
#endif
return 0;
}