/* 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 <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"
// 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
// 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;
// Mainly used to request indexing stop, we currently do not use the
// current file name
class MyUpdater : public DbIxStatusUpdater {
public:
virtual bool update() {
if (stopindexing) {
return false;
}
// If we are in the monitor, we also need to check x 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;
}
};
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 bool makeIndexer(RclConfig *config)
{
if (!confindexer)
confindexer = new ConfIndexer(config, &updater);
if (!confindexer) {
cerr << "Cannot create indexer" << endl;
exit(1);
}
return true;
}
// Index a list of files. We just check that they belong to one of the
// topdirs subtrees, and call the indexer method.
//
// 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 makeIndexer (but the db closed and
// flushed every time)
bool indexfiles(RclConfig *config, list<string> &filenames)
{
if (filenames.empty())
return true;
if (!makeIndexer(config))
return false;
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;
if (!makeIndexer(config))
return false;
return confindexer->purgeFiles(filenames);
}
// Create stemming and spelling databases
bool createAuxDbs(RclConfig *config)
{
if (!makeIndexer(config))
return 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)
{
if (!makeIndexer(config))
return false;
return confindexer->createStemDb(lang);
}
static const char *thisprog;
static const char usage [] =
"\n"
"recollindex [-h] \n"
" Print help\n"
"recollindex [-z] \n"
" Index everything according to configuration file\n"
" -z : reset database before starting indexing\n"
#ifdef RCL_MONITOR
"recollindex -m [-w <secs>] -x [-D]\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"
#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] <filename [filename ...]>\n"
" Index individual files. No database purge or stem database updates\n"
" -f : ignore skippedPaths and skippedNames while doing this\n"
"recollindex -l\n"
" List available stemming languages\n"
"recollindex -s <lang>\n"
" Build stem database for additional language <lang>\n"
"recollindex -b\n"
" Process the Beagle queue\n"
#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);
}
}
int main(int argc, const char **argv)
{
string a_config;
int sleepsecs = 60;
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 '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 'l': op_flags |= OPT_l; break;
case 'm': op_flags |= OPT_m; 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;
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)))
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);
}
bool rezero(op_flags & OPT_z);
Pidfile pidfile(config->getPidfile());
if (setpriority(PRIO_PROCESS, 0, 20) != 0) {
LOGINFO(("recollindex: can't setpriority(), errno %d\n", errno));
}
if (op_flags & (OPT_i|OPT_e)) {
lockorexit(&pidfile);
pidfile.write_pid();
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++);
}
}
bool status;
if (op_flags & OPT_i)
status = indexfiles(config, filenames);
else
status = purgefiles(config, filenames);
if (!confindexer->getReason().empty())
cerr << confindexer->getReason() << endl;
exit(status ? 0 : 1);
} else if (op_flags & OPT_l) {
if (argc != 0)
Usage();
list<string> stemmers = ConfIndexer::getStemmerNames();
for (list<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_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);
}
}
// 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));
}
pidfile.write_pid();
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);
}
}
}
confindexer = new ConfIndexer(config, &updater);
if (!confindexer->index(rezero, ConfIndexer::IxTAll) || stopindexing) {
LOGERR(("recollindex, initial indexing pass failed, not going into monitor mode\n"));
exit(1);
}
deleteZ(confindexer);
int opts = RCLMON_NONE;
if (op_flags & OPT_D)
opts |= RCLMON_NOFORK;
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
#ifdef RCL_USE_ASPELL
} else if (op_flags & OPT_S) {
if (!makeIndexer(config))
exit(1);
exit(!confindexer->createAspellDict());
#endif // ASPELL
} else if (op_flags & OPT_b) {
cerr << "Not yet" << endl;
return 1;
} else {
lockorexit(&pidfile);
pidfile.write_pid();
confindexer = new ConfIndexer(config, &updater);
bool status = confindexer->index(rezero, ConfIndexer::IxTAll);
if (!status)
cerr << "Indexing failed" << endl;
if (!confindexer->getReason().empty())
cerr << confindexer->getReason() << endl;
return !status;
}
}