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recoll/src/index/recollindex.cpp
Jean-Francois Dockes a6e1ebd92c Check that all topdirs elements are absolute paths
2015-05-07 08:19:25 +02:00

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/* Copyright (C) 2004 J.F.Dockes
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "autoconfig.h"
#endif
#include <stdio.h>
#include <signal.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <fcntl.h>
#include <iostream>
#include <list>
#include <string>
#include <cstdlib>
using namespace std;
#include "debuglog.h"
#include "rclinit.h"
#include "indexer.h"
#include "smallut.h"
#include "pathut.h"
#include "rclmon.h"
#include "x11mon.h"
#include "cancelcheck.h"
#include "rcldb.h"
#include "beaglequeue.h"
#include "recollindex.h"
#include "fsindexer.h"
#include "rclionice.h"
#include "execmd.h"
#include "checkretryfailed.h"
// Command line options
static int op_flags;
#define OPT_MOINS 0x1
#define OPT_z 0x2
#define OPT_h 0x4
#define OPT_i 0x8
#define OPT_s 0x10
#define OPT_c 0x20
#define OPT_S 0x40
#define OPT_m 0x80
#define OPT_D 0x100
#define OPT_e 0x200
#define OPT_w 0x400
#define OPT_x 0x800
#define OPT_l 0x1000
#define OPT_b 0x2000
#define OPT_f 0x4000
#define OPT_C 0x8000
#define OPT_Z 0x10000
#define OPT_n 0x20000
#define OPT_r 0x40000
#define OPT_k 0x80000
ReExec *o_reexec;
// Globals for atexit cleanup
static ConfIndexer *confindexer;
// This is set as an atexit routine,
static void cleanup()
{
deleteZ(confindexer);
}
// Global stop request flag. This is checked in a number of place in the
// indexing routines.
int stopindexing;
// Receive status updates from the ongoing indexing operation
// Also check for an interrupt request and return the info to caller which
// should subsequently orderly terminate what it is doing.
class MyUpdater : public DbIxStatusUpdater {
public:
MyUpdater(const RclConfig *config)
: m_prevphase(DbIxStatus::DBIXS_NONE)
{
m_fd = open(config->getIdxStatusFile().c_str(),
O_WRONLY|O_CREAT|O_TRUNC, 0600);
if (m_fd < 0)
LOGERR(("Can't open/create status file: [%s]\n",
config->getIdxStatusFile().c_str()));
}
virtual bool update()
{
// Update the status file. Avoid doing it too often
if (status.phase != m_prevphase || m_chron.millis() > 300) {
m_prevphase = status.phase;
m_chron.restart();
lseek(m_fd, 0, 0);
int fd1 = dup(m_fd);
FILE *fp = fdopen(fd1, "w");
fprintf(fp, "phase = %d\n", int(status.phase));
fprintf(fp, "docsdone = %d\n", status.docsdone);
fprintf(fp, "filesdone = %d\n", status.filesdone);
fprintf(fp, "dbtotdocs = %d\n", status.dbtotdocs);
fprintf(fp, "fn = %s\n", status.fn.c_str());
if (ftruncate(m_fd, off_t(ftell(fp))) < 0) {
// ? kill compiler warning about ignoring ftruncate return
LOGDEB(("Status update: ftruncate failed\n"));
}
// Flush data and closes fd1. m_fd still valid
fclose(fp);
}
if (stopindexing) {
return false;
}
// If we are in the monitor, we also need to check X11 status
// during the initial indexing pass (else the user could log
// out and the indexing would go on, not good (ie: if the user
// logs in again, the new recollindex will fail).
if ((op_flags & OPT_m) && !(op_flags & OPT_x) && !x11IsAlive()) {
LOGDEB(("X11 session went away during initial indexing pass\n"));
stopindexing = true;
return false;
}
return true;
}
private:
int m_fd;
Chrono m_chron;
DbIxStatus::Phase m_prevphase;
};
static MyUpdater *updater;
static void sigcleanup(int sig)
{
fprintf(stderr, "Got signal, registering stop request\n");
LOGDEB(("Got signal, registering stop request\n"));
CancelCheck::instance().setCancel();
stopindexing = 1;
}
static void makeIndexerOrExit(RclConfig *config, bool inPlaceReset)
{
if (!confindexer) {
confindexer = new ConfIndexer(config, updater);
if (inPlaceReset)
confindexer->setInPlaceReset();
}
if (!confindexer) {
cerr << "Cannot create indexer" << endl;
exit(1);
}
}
void rclIxIonice(const RclConfig *config)
{
string clss, classdata;
if (!config->getConfParam("monioniceclass", clss) || clss.empty())
clss = "3";
config->getConfParam("monioniceclassdata", classdata);
rclionice(clss, classdata);
}
class MakeListWalkerCB : public FsTreeWalkerCB {
public:
MakeListWalkerCB(list<string>& files)
: m_files(files)
{
}
virtual FsTreeWalker::Status
processone(const string& fn, const struct stat *, FsTreeWalker::CbFlag flg)
{
if (flg == FsTreeWalker::FtwDirEnter || flg == FsTreeWalker::FtwRegular)
m_files.push_back(fn);
return FsTreeWalker::FtwOk;
}
list<string>& m_files;
};
// Build a list of things to index and call indexfiles.
bool recursive_index(RclConfig *config, const string& top)
{
list<string> files;
MakeListWalkerCB cb(files);
FsTreeWalker walker;
walker.walk(top, cb);
return indexfiles(config, files);
}
// Index a list of files. We just call the top indexer method, which
// will sort out what belongs to the indexed trees and call the
// appropriate indexers.
//
// This is called either from the command line or from the monitor. In
// this case we're called repeatedly in the same process, and the
// confindexer is only created once by makeIndexerOrExit (but the db closed and
// flushed every time)
bool indexfiles(RclConfig *config, list<string> &filenames)
{
if (filenames.empty())
return true;
makeIndexerOrExit(config, (op_flags & OPT_Z) != 0);
return confindexer->indexFiles(filenames, (op_flags&OPT_f) ?
ConfIndexer::IxFIgnoreSkip :
ConfIndexer::IxFNone);
}
// Delete a list of files. Same comments about call contexts as indexfiles.
bool purgefiles(RclConfig *config, list<string> &filenames)
{
if (filenames.empty())
return true;
makeIndexerOrExit(config, (op_flags & OPT_Z) != 0);
return confindexer->purgeFiles(filenames, ConfIndexer::IxFNone);
}
// Create stemming and spelling databases
bool createAuxDbs(RclConfig *config)
{
makeIndexerOrExit(config, false);
if (!confindexer->createStemmingDatabases())
return false;
if (!confindexer->createAspellDict())
return false;
return true;
}
// Create additional stem database
static bool createstemdb(RclConfig *config, const string &lang)
{
makeIndexerOrExit(config, false);
return confindexer->createStemDb(lang);
}
static bool checktopdirs(RclConfig *config)
{
vector<string> tdl;
if (!config->getConfParam("topdirs", &tdl)) {
cerr << "No 'topdirs' parameter in configuration\n";
LOGERR(("recollindex:No 'topdirs' parameter in configuration\n"));;
return false;
}
for (vector<string>::iterator it = tdl.begin(); it != tdl.end(); it++) {
*it = path_tildexpand(*it);
if (!it->size() || (*it)[0] != '/') {
if ((*it)[0] == '~') {
cerr << "Tilde expansion failed: " << *it << endl;
LOGERR(("recollindex: tilde expansion failed: %s\n",
it->c_str()));
} else {
cerr << "Not an absolute path: " << *it << endl;
LOGERR(("recollindex: not an absolute path: %s\n",
it->c_str()));
}
return false;
}
}
return true;
}
static const char *thisprog;
static const char usage [] =
"\n"
"recollindex [-h] \n"
" Print help\n"
"recollindex [-z|-Z] [-k]\n"
" Index everything according to configuration file\n"
" -z : reset database before starting indexing\n"
" -Z : in place reset: consider all documents as changed. Can also\n"
" be combined with -i or -r but not -m\n"
" -k : retry files on which we previously failed\n"
#ifdef RCL_MONITOR
"recollindex -m [-w <secs>] -x [-D] [-C]\n"
" Perform real time indexing. Don't become a daemon if -D is set.\n"
" -w sets number of seconds to wait before starting.\n"
" -C disables monitoring config for changes/reexecuting.\n"
" -n disables initial incremental indexing (!and purge!).\n"
#ifndef DISABLE_X11MON
" -x disables exit on end of x11 session\n"
#endif /* DISABLE_X11MON */
#endif /* RCL_MONITOR */
"recollindex -e <filename [filename ...]>\n"
" Purge data for individual files. No stem database updates\n"
"recollindex -i [-f] [-Z] <filename [filename ...]>\n"
" Index individual files. No database purge or stem database updates\n"
" -f : ignore skippedPaths and skippedNames while doing this\n"
"recollindex -r [-f] [-Z] <top> \n"
" Recursive partial reindex\n"
"recollindex -l\n"
" List available stemming languages\n"
"recollindex -s <lang>\n"
" Build stem database for additional language <lang>\n"
#ifdef FUTURE_IMPROVEMENT
"recollindex -W\n"
" Process the Web queue\n"
#endif
#ifdef RCL_USE_ASPELL
"recollindex -S\n"
" Build aspell spelling dictionary.>\n"
#endif
"Common options:\n"
" -c <configdir> : specify config directory, overriding $RECOLL_CONFDIR\n"
;
static void
Usage(FILE *where = stderr)
{
FILE *fp = (op_flags & OPT_h) ? stdout : stderr;
fprintf(fp, "%s: Usage: %s", thisprog, usage);
fprintf(fp, "Recoll version: %s\n", Rcl::version_string().c_str());
exit((op_flags & OPT_h)==0);
}
static RclConfig *config;
void lockorexit(Pidfile *pidfile)
{
pid_t pid;
if ((pid = pidfile->open()) != 0) {
cerr << "Can't become exclusive indexer: " << pidfile->getreason() <<
". Return (other pid?): " << pid << endl;
exit(1);
}
if (pidfile->write_pid() != 0) {
cerr << "Can't become exclusive indexer: " << pidfile->getreason() <<
endl;
exit(1);
}
}
int main(int argc, char **argv)
{
string a_config;
int sleepsecs = 60;
// The reexec struct is used by the daemon to shed memory after
// the initial indexing pass and to restart when the configuration
// changes
o_reexec = new ReExec;
o_reexec->init(argc, argv);
thisprog = argv[0];
argc--; argv++;
while (argc > 0 && **argv == '-') {
(*argv)++;
if (!(**argv))
Usage();
while (**argv)
switch (*(*argv)++) {
case 'b': op_flags |= OPT_b; break;
case 'c': op_flags |= OPT_c; if (argc < 2) Usage();
a_config = *(++argv);
argc--; goto b1;
#ifdef RCL_MONITOR
case 'C': op_flags |= OPT_C; break;
case 'D': op_flags |= OPT_D; break;
#endif
case 'e': op_flags |= OPT_e; break;
case 'f': op_flags |= OPT_f; break;
case 'h': op_flags |= OPT_h; break;
case 'i': op_flags |= OPT_i; break;
case 'k': op_flags |= OPT_k; break;
case 'l': op_flags |= OPT_l; break;
case 'm': op_flags |= OPT_m; break;
case 'n': op_flags |= OPT_n; break;
case 'r': op_flags |= OPT_r; break;
case 's': op_flags |= OPT_s; break;
#ifdef RCL_USE_ASPELL
case 'S': op_flags |= OPT_S; break;
#endif
case 'w': op_flags |= OPT_w; if (argc < 2) Usage();
if ((sscanf(*(++argv), "%d", &sleepsecs)) != 1)
Usage();
argc--; goto b1;
case 'x': op_flags |= OPT_x; break;
case 'Z': op_flags |= OPT_Z; break;
case 'z': op_flags |= OPT_z; break;
default: Usage(); break;
}
b1: argc--; argv++;
}
if (op_flags & OPT_h)
Usage(stdout);
#ifndef RCL_MONITOR
if (op_flags & (OPT_m | OPT_w|OPT_x)) {
cerr << "Sorry, -m not available: real-time monitoring was not "
"configured in this build\n";
exit(1);
}
#endif
if ((op_flags & OPT_z) && (op_flags & (OPT_i|OPT_e|OPT_r)))
Usage();
if ((op_flags & OPT_Z) && (op_flags & (OPT_m)))
Usage();
string reason;
RclInitFlags flags = (op_flags & OPT_m) && !(op_flags&OPT_D) ?
RCLINIT_DAEMON : RCLINIT_NONE;
config = recollinit(flags, cleanup, sigcleanup, reason, &a_config);
if (config == 0 || !config->ok()) {
cerr << "Configuration problem: " << reason << endl;
exit(1);
}
o_reexec->atexit(cleanup);
if (!checktopdirs(config))
exit(1);
string rundir;
config->getConfParam("idxrundir", rundir);
if (!rundir.compare("tmp")) {
LOGINFO(("recollindex: changing current directory to [%s]\n",
tmplocation().c_str()));
if (chdir(tmplocation().c_str()) < 0) {
LOGERR(("chdir(%s) failed, errno %d\n",
tmplocation().c_str(), errno));
}
} else if (!rundir.empty()) {
LOGINFO(("recollindex: changing current directory to [%s]\n",
rundir.c_str()));
if (chdir(rundir.c_str()) < 0) {
LOGERR(("chdir(%s) failed, errno %d\n",
rundir.c_str(), errno));
}
}
bool rezero((op_flags & OPT_z) != 0);
bool inPlaceReset((op_flags & OPT_Z) != 0);
// We do not retry previously failed files by default. If -k is
// set, we do. If the checker script says so, we do too.
int indexerFlags = ConfIndexer::IxFNoRetryFailed;
if (op_flags & OPT_k) {
indexerFlags &= ~ConfIndexer::IxFNoRetryFailed;
} else {
if (checkRetryFailed(config, false)) {
indexerFlags &= ~ConfIndexer::IxFNoRetryFailed;
}
}
Pidfile pidfile(config->getPidfile());
updater = new MyUpdater(config);
// Log something at LOGINFO to reset the trace file. Else at level
// 3 it's not even truncated if all docs are up to date.
LOGINFO(("recollindex: starting up\n"));
if (setpriority(PRIO_PROCESS, 0, 20) != 0) {
LOGINFO(("recollindex: can't setpriority(), errno %d\n", errno));
}
// Try to ionice. This does not work on all platforms
rclIxIonice(config);
if (op_flags & (OPT_i|OPT_e)) {
lockorexit(&pidfile);
list<string> filenames;
if (argc == 0) {
// Read from stdin
char line[1024];
while (fgets(line, 1023, stdin)) {
string sl(line);
trimstring(sl, "\n\r");
filenames.push_back(sl);
}
} else {
while (argc--) {
filenames.push_back(*argv++);
}
}
// Note that -e and -i may be both set. In this case we first erase,
// then index. This is a slightly different from -Z -i because we
// warranty that all subdocs are purged.
bool status = true;
if (op_flags & OPT_e) {
status = purgefiles(config, filenames);
}
if (status && (op_flags & OPT_i)) {
status = indexfiles(config, filenames);
}
if (confindexer && !confindexer->getReason().empty())
cerr << confindexer->getReason() << endl;
exit(status ? 0 : 1);
} else if (op_flags & OPT_r) {
if (argc != 1)
Usage();
string top = *argv++; argc--;
bool status = recursive_index(config, top);
if (confindexer && !confindexer->getReason().empty())
cerr << confindexer->getReason() << endl;
exit(status ? 0 : 1);
} else if (op_flags & OPT_l) {
if (argc != 0)
Usage();
vector<string> stemmers = ConfIndexer::getStemmerNames();
for (vector<string>::const_iterator it = stemmers.begin();
it != stemmers.end(); it++) {
cout << *it << endl;
}
exit(0);
} else if (op_flags & OPT_s) {
if (argc != 1)
Usage();
string lang = *argv++; argc--;
exit(!createstemdb(config, lang));
#ifdef RCL_USE_ASPELL
} else if (op_flags & OPT_S) {
makeIndexerOrExit(config, false);
exit(!confindexer->createAspellDict());
#endif // ASPELL
#ifdef RCL_MONITOR
} else if (op_flags & OPT_m) {
if (argc != 0)
Usage();
lockorexit(&pidfile);
if (!(op_flags&OPT_D)) {
LOGDEB(("recollindex: daemonizing\n"));
if (daemon(0,0) != 0) {
fprintf(stderr, "daemon() failed, errno %d\n", errno);
LOGERR(("daemon() failed, errno %d\n", errno));
exit(1);
}
}
// Need to rewrite pid, it changed
pidfile.write_pid();
// Not too sure if I have to redo the nice thing after daemon(),
// can't hurt anyway (easier than testing on all platforms...)
if (setpriority(PRIO_PROCESS, 0, 20) != 0) {
LOGINFO(("recollindex: can't setpriority(), errno %d\n", errno));
}
// Try to ionice. This does not work on all platforms
rclIxIonice(config);
if (sleepsecs > 0) {
LOGDEB(("recollindex: sleeping %d\n", sleepsecs));
for (int i = 0; i < sleepsecs; i++) {
sleep(1);
// Check that x11 did not go away while we were sleeping.
if (!(op_flags & OPT_x) && !x11IsAlive()) {
LOGDEB(("X11 session went away during initial sleep period\n"));
exit(0);
}
}
}
if (!(op_flags & OPT_n)) {
makeIndexerOrExit(config, inPlaceReset);
LOGDEB(("Recollindex: initial indexing pass before monitoring\n"));
if (!confindexer->index(rezero, ConfIndexer::IxTAll, indexerFlags)
|| stopindexing) {
LOGERR(("recollindex, initial indexing pass failed, "
"not going into monitor mode\n"));
exit(1);
} else {
// Record success of indexing pass with failed files retries.
if (!(indexerFlags & ConfIndexer::IxFNoRetryFailed)) {
checkRetryFailed(config, true);
}
}
deleteZ(confindexer);
o_reexec->insertArgs(vector<string>(1, "-n"));
LOGINFO(("recollindex: reexecuting with -n after initial full pass\n"));
// Note that -n will be inside the reexec when we come
// back, but the monitor will explicitely strip it before
// starting a config change exec to ensure that we do a
// purging pass in this case.
o_reexec->reexec();
}
if (updater) {
updater->status.phase = DbIxStatus::DBIXS_MONITOR;
updater->status.fn.clear();
updater->update();
}
int opts = RCLMON_NONE;
if (op_flags & OPT_D)
opts |= RCLMON_NOFORK;
if (op_flags & OPT_C)
opts |= RCLMON_NOCONFCHECK;
if (op_flags & OPT_x)
opts |= RCLMON_NOX11;
bool monret = startMonitor(config, opts);
MONDEB(("Monitor returned %d, exiting\n", monret));
exit(monret == false);
#endif // MONITOR
} else if (op_flags & OPT_b) {
cerr << "Not yet" << endl;
return 1;
} else {
lockorexit(&pidfile);
makeIndexerOrExit(config, inPlaceReset);
bool status = confindexer->index(rezero, ConfIndexer::IxTAll,
indexerFlags);
// Record success of indexing pass with failed files retries.
if (status && !(indexerFlags & ConfIndexer::IxFNoRetryFailed)) {
checkRetryFailed(config, true);
}
if (!status)
cerr << "Indexing failed" << endl;
if (!confindexer->getReason().empty())
cerr << confindexer->getReason() << endl;
if (updater) {
updater->status.phase = DbIxStatus::DBIXS_DONE;
updater->status.fn.clear();
updater->update();
}
return !status;
}
}
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