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boinc/sched/db_purge.cpp

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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2019 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// db_purge options
// options are listed in usage() below
//
// purge workunit and result records that are no longer needed.
// Specifically, purges WUs for which file_delete_state=DONE.
// Purging a WU means writing it and all its results
// to XML-format archive files, then deleting it and its results from the DB.
//
// The XML files have names of the form
// wu_archive_TIME and result_archive_TIME
// where TIME is the time it was created.
// In addition generate index files associating each WU and result ID
// with the timestamp of the file it's in.
#include "config.h"
#include <cstdio>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <string>
#include <time.h>
#include <errno.h>
#include <string.h>
#include "zlib.h"
#include "boinc_db.h"
#include "filesys.h"
#include "parse.h"
#include "str_replace.h"
#include "util.h"
#include "sched_config.h"
#include "sched_util.h"
#include "sched_msgs.h"
#include "svn_version.h"
#include "error_numbers.h"
#include "str_util.h"
void usage() {
fprintf(stderr,
"Purge workunit and result records that are no longer needed.\n\n"
"Usage: db_purge [options]\n"
" [-d N | --debug_level N] Set verbosity level (1 to 4)\n"
" [--min_age_days N] Purge Wus w/ mod time at least N days ago\n"
" [--max N] Purge at most N WUs\n"
" [--zip] Compress output files by piping through zip\n"
" [--gzip] Compress output files by piping through gzip\n"
" [--zlib] Compress output files using zlib\n"
" [--no_archive] Don't write output files, just purge\n"
" [--daily_dir] Write archives in a new directory each day\n"
" [--max_wu_per_file N] Write at most N WUs per output file\n"
" [--sleep N] Sleep N sec after DB scan\n"
" [--one_pass] Make one DB scan, then exit\n"
" [--dont_delete] Don't actually delete anything from the DB (for testing only)\n"
" [--mod M R ] Handle only WUs with ID mod M == R\n"
" [--h | --help] Show this help text\n"
" [--v | --version] Show version information\n"
);
}
#define WU_FILENAME_PREFIX "wu_archive"
#define RESULT_FILENAME_PREFIX "result_archive"
#define WU_INDEX_FILENAME_PREFIX "wu_index"
#define RESULT_INDEX_FILENAME_PREFIX "result_index"
#define DB_QUERY_LIMIT 1000
#define COMPRESSION_NONE 0
#define COMPRESSION_GZIP 1
#define COMPRESSION_ZIP 2
#define COMPRESSION_ZLIB 3
#define WU_ARCHIVE_DATA \
"<workunit_archive>\n" \
" <id>%lu</id>\n" \
" <create_time>%d</create_time>\n" \
" <appid>%lu</appid>\n" \
" <name>%s</name>\n" \
" <xml_doc>%s</xml_doc>\n" \
" <batch>%d</batch>\n" \
" <rsc_fpops_est>%.15e</rsc_fpops_est>\n" \
" <rsc_fpops_bound>%.15e</rsc_fpops_bound>\n" \
" <rsc_memory_bound>%.15e</rsc_memory_bound>\n" \
" <rsc_disk_bound>%.15e</rsc_disk_bound>\n" \
" <need_validate>%d</need_validate>\n" \
" <canonical_resultid>%lu</canonical_resultid>\n" \
" <canonical_credit>%.15e</canonical_credit>\n" \
" <transition_time>%d</transition_time>\n" \
" <delay_bound>%d</delay_bound>\n" \
" <error_mask>%d</error_mask>\n" \
" <file_delete_state>%d</file_delete_state>\n" \
" <assimilate_state>%d</assimilate_state>\n" \
" <hr_class>%d</hr_class>\n" \
" <opaque>%f</opaque>\n" \
" <min_quorum>%d</min_quorum>\n" \
" <target_nresults>%d</target_nresults>\n" \
" <max_error_results>%d</max_error_results>\n" \
" <max_total_results>%d</max_total_results>\n" \
" <max_success_results>%d</max_success_results>\n" \
" <result_template_file>%s</result_template_file>\n" \
" <priority>%d</priority>\n" \
" <mod_time>%s</mod_time>\n" \
"</workunit_archive>\n", \
wu.id, \
wu.create_time, \
wu.appid, \
wu.name, \
wu.xml_doc, \
wu.batch, \
wu.rsc_fpops_est, \
wu.rsc_fpops_bound, \
wu.rsc_memory_bound, \
wu.rsc_disk_bound, \
wu.need_validate, \
wu.canonical_resultid, \
wu.canonical_credit, \
wu.transition_time, \
wu.delay_bound, \
wu.error_mask, \
wu.file_delete_state, \
wu.assimilate_state, \
wu.hr_class, \
wu.opaque, \
wu.min_quorum, \
wu.target_nresults, \
wu.max_error_results, \
wu.max_total_results, \
wu.max_success_results, \
wu.result_template_file, \
wu.priority, \
wu.mod_time
#define RESULT_ARCHIVE_DATA \
"<result_archive>\n" \
" <id>%lu</id>\n" \
" <create_time>%d</create_time>\n" \
" <workunitid>%lu</workunitid>\n" \
" <server_state>%d</server_state>\n" \
" <outcome>%d</outcome>\n" \
" <client_state>%d</client_state>\n" \
" <hostid>%lu</hostid>\n" \
" <userid>%lu</userid>\n" \
" <report_deadline>%d</report_deadline>\n" \
" <sent_time>%d</sent_time>\n" \
" <received_time>%d</received_time>\n" \
" <name>%s</name>\n" \
" <cpu_time>%.15e</cpu_time>\n" \
" <xml_doc_in>%s</xml_doc_in>\n" \
" <xml_doc_out>%s</xml_doc_out>\n" \
" <stderr_out>%s</stderr_out>\n" \
" <batch>%d</batch>\n" \
" <file_delete_state>%d</file_delete_state>\n" \
" <validate_state>%d</validate_state>\n" \
" <claimed_credit>%.15e</claimed_credit>\n" \
" <granted_credit>%.15e</granted_credit>\n" \
" <opaque>%f</opaque>\n" \
" <random>%d</random>\n" \
" <app_version_num>%d</app_version_num>\n" \
" <app_version_id>%lu</app_version_id>\n" \
" <appid>%lu</appid>\n" \
" <exit_status>%d</exit_status>\n" \
" <teamid>%lu</teamid>\n" \
" <priority>%d</priority>\n" \
" <mod_time>%s</mod_time>\n" \
"</result_archive>\n", \
result.id, \
result.create_time, \
result.workunitid, \
result.server_state, \
result.outcome, \
result.client_state, \
result.hostid, \
result.userid, \
result.report_deadline, \
result.sent_time, \
result.received_time, \
result.name, \
result.cpu_time, \
result.xml_doc_in, \
result.xml_doc_out, \
stderr_out_escaped, \
result.batch, \
result.file_delete_state, \
result.validate_state, \
result.claimed_credit, \
result.granted_credit, \
result.opaque, \
result.random, \
result.app_version_num, \
result.app_version_id, \
result.appid, \
result.exit_status, \
result.teamid, \
result.priority, \
result.mod_time
// will be FILE* or gzFile, depending on compression_type
//
void* wu_stream=NULL;
void* re_stream=NULL;
void* wu_index_stream=NULL;
void* re_index_stream=NULL;
int time_int=0;
double min_age_days = 0;
bool no_archive = false;
bool dont_delete = false;
bool daily_dir = false;
int purged_workunits = 0;
// used if limiting the total number of workunits to eliminate
int max_number_workunits_to_purge = 0;
// If nonzero, maximum number of workunits to purge.
// Since all results associated with a purged workunit are also purged,
// this also limits the number of purged results.
const char *suffix[4] = {"", ".gz", ".zip", ".gz"};
// subscripts MUST be in agreement with defines above
int compression_type = COMPRESSION_NONE;
int max_wu_per_file = 0;
// set on command line if archive files should be closed and re-opened
// after getting some max no of WU in the file
int wu_stored_in_file = 0;
// keep track of how many WU archived in file so far
int id_modulus=0, id_remainder=0;
// allow more than one to run - doesn't work if archiving is enabled
char app_name[256];
DB_APP app;
bool time_to_quit() {
if (max_number_workunits_to_purge) {
if (purged_workunits >= max_number_workunits_to_purge) return true;
}
return false;
}
void fail(const char* msg) {
perror("perror: ");
log_messages.printf(MSG_CRITICAL, "%s", msg);
exit(1);
}
// Open an archive.
// If the user has asked for compression,
// then we popen(2) a pipe to gzip or zip.
// This does 'in place' compression.
//
void open_archive(const char* filename_prefix, void*& f){
char path[MAXPATHLEN];
char command[MAXPATHLEN+512];
if (daily_dir) {
time_t time_time = time_int;
char dirname[32];
strftime(dirname, sizeof(dirname), "%Y_%m_%d", gmtime(&time_time));
safe_strcpy(path, config.project_path("archives/%s",dirname));
if (mkdir(path,0775)) {
if(errno!=EEXIST) {
char errstr[256];
sprintf(errstr, "could not create directory '%s': %s\n",
path, strerror(errno));
fail(errstr);
}
}
safe_strcpy(path,
config.project_path(
"archives/%s/%s_%d.xml", dirname, filename_prefix, time_int
)
);
} else {
safe_strcpy(path,
config.project_path("archives/%s_%d.xml", filename_prefix, time_int)
);
}
// append appropriate suffix for file type
safe_strcat(path, suffix[compression_type]);
// and construct appropriate command if needed
if (compression_type == COMPRESSION_GZIP) {
snprintf(command, sizeof(command), "gzip - > %s", path);
}
if (compression_type == COMPRESSION_ZIP) {
snprintf(command, sizeof(command), "zip - - > %s", path);
}
log_messages.printf(MSG_NORMAL,
"Opening archive %s\n", path
);
if (compression_type == COMPRESSION_NONE) {
if (!(f = fopen(path,"w"))) {
char buf[256];
sprintf(buf, "Can't open archive file %s %s\n",
path, errno?strerror(errno):""
);
fail(buf);
}
} else if (compression_type == COMPRESSION_ZLIB) {
f = gzopen(path,"w");
if (!f) {
log_messages.printf(MSG_CRITICAL,
"Can't open file %s: %d:%s\n",
path, errno, strerror(errno)
);
exit(4);
}
} else {
f = popen(command,"w");
if (!f) {
log_messages.printf(MSG_CRITICAL,
"Can't open pipe %s %s\n",
command, errno?strerror(errno):""
);
exit(4);
}
}
if (compression_type != COMPRESSION_ZLIB) {
//
// set buffering to line buffered, since we are outputing XML on a
// line-by-line basis.
//
setlinebuf((FILE*)f);
}
return;
}
void close_archive(const char *filename, void*& fp){
char path[MAXPATHLEN];
// Set file pointer to NULL after closing file to indicate that it's closed.
//
if (!fp) return;
// In case of errors, carry on anyway. This is deliberate, not lazy
//
if (compression_type == COMPRESSION_NONE) {
fclose((FILE*)fp);
} else if (compression_type == COMPRESSION_ZLIB) {
gzclose((gzFile)fp);
} else {
pclose((FILE*)fp);
}
fp = NULL;
// reconstruct the filename
if (daily_dir) {
time_t time_time = time_int;
char dirname[32];
strftime(dirname, sizeof(dirname), "%Y_%m_%d", gmtime(&time_time));
safe_strcpy(path,
config.project_path(
"archives/%s/%s_%d.xml", dirname, filename, time_int
)
);
} else {
safe_strcpy(path,
config.project_path("archives/%s_%d.xml", filename, time_int)
);
}
// append appropriate file type
safe_strcat(path, suffix[compression_type]);
log_messages.printf(MSG_NORMAL,
"Closed archive file %s containing records of %d workunits\n",
path, wu_stored_in_file
);
return;
}
// opens the various archive files. Guarantees that the timestamp
// does not equal the previous timestamp
//
void open_all_archives() {
int old_time=time_int;
// make sure we get a NEW value of the file timestamp!
//
while (old_time == (time_int = (int)time(0))) {
sleep(1);
}
// open all the archives.
open_archive(WU_FILENAME_PREFIX, wu_stream);
open_archive(RESULT_FILENAME_PREFIX, re_stream);
open_archive(RESULT_INDEX_FILENAME_PREFIX, re_index_stream);
open_archive(WU_INDEX_FILENAME_PREFIX, wu_index_stream);
if (compression_type == COMPRESSION_ZLIB) {
gzprintf((gzFile)wu_stream, "<archive>\n");
gzprintf((gzFile)re_stream, "<archive>\n");
} else {
fprintf((FILE*)wu_stream, "<archive>\n");
fprintf((FILE*)re_stream, "<archive>\n");
}
return;
}
// closes (and optionally compresses) the archive files. Clears file
// pointers to indicate that files are not open.
//
void close_all_archives() {
if (compression_type == COMPRESSION_ZLIB) {
if (wu_stream) gzprintf((gzFile)wu_stream, "</archive>\n");
if (re_stream) gzprintf((gzFile)re_stream, "</archive>\n");
} else {
if (wu_stream) fprintf((FILE*)wu_stream, "</archive>\n");
if (re_stream) fprintf((FILE*)re_stream, "</archive>\n");
}
close_archive(WU_FILENAME_PREFIX, wu_stream);
close_archive(RESULT_FILENAME_PREFIX, re_stream);
close_archive(RESULT_INDEX_FILENAME_PREFIX, re_index_stream);
close_archive(WU_INDEX_FILENAME_PREFIX, wu_index_stream);
log_messages.printf(MSG_NORMAL,
"Closed archive files with %d workunits\n",
wu_stored_in_file
);
return;
}
// The exit handler always calls this at the end to be sure that the
// database is closed cleanly.
//
void close_db_exit_handler() {
boinc_db.close();
return;
}
int archive_result(DB_RESULT& result) {
int n;
// xml_escape can increase size by factor of 6, e.g. x -> &#NNN;
//
char stderr_out_escaped[BLOB_SIZE*6];
xml_escape(result.stderr_out, stderr_out_escaped, sizeof(stderr_out_escaped));
n = fprintf((FILE*)re_stream, RESULT_ARCHIVE_DATA);
if (n >= 0) {
n = fprintf((FILE*)re_index_stream,
"%lu %d %s\n",
result.id, time_int, result.name
);
}
if (n < 0) fail("fprintf() failed\n");
return 0;
}
int archive_wu(DB_WORKUNIT& wu) {
int n = fprintf((FILE*)wu_stream, WU_ARCHIVE_DATA);
if (n < 0) fail("archive_wu: data fprintf() failed\n");
n = fprintf((FILE*)wu_index_stream,
"%lu %d %s\n",
wu.id, time_int, wu.name
);
if (n < 0) fail("archive_wu: index fprintf() failed\n");
return 0;
}
int archive_result_gz (DB_RESULT& result) {
int n;
char buf[BLOB_SIZE*7];
// xml_escape can increase size by factor of 6, e.g. x -> &#NNN;
//
char stderr_out_escaped[BLOB_SIZE*6];
xml_escape(result.stderr_out, stderr_out_escaped, sizeof(stderr_out_escaped));
n = snprintf(buf, sizeof(buf), RESULT_ARCHIVE_DATA);
if ((n <= 0) || n > (int)sizeof(buf)) {
fail("ERROR: printing result archive failed\n");
}
n = gzwrite((gzFile)re_stream, buf, (unsigned int)n);
if (n <= 0) {
fail("ERROR: writing result archive failed\n");
}
n = gzflush((gzFile)re_stream, Z_FULL_FLUSH);
if (n != Z_OK) {
fail("ERROR: writing result archive failed (flush)\n");
}
n = gzprintf((gzFile)re_index_stream,
"%lu %d %s\n",
result.id, time_int, result.name
);
if (n <= 0) {
fail("ERROR: writing result index failed\n");
}
n = gzflush((gzFile)re_index_stream, Z_SYNC_FLUSH);
if (n != Z_OK) {
fail("ERROR: writing result index failed (flush)\n");
}
return 0;
}
int archive_wu_gz (DB_WORKUNIT& wu) {
int n;
char buf[BLOB_SIZE*2];
n = snprintf(buf, sizeof(buf), WU_ARCHIVE_DATA);
if ((n <= 0) || n > (int)sizeof(buf)) {
fail("ERROR: printing workunit archive failed\n");
}
n = gzwrite((gzFile)wu_stream, buf, (unsigned int)n);
if (n <= 0) {
fail("ERROR: writing workunit archive failed\n");
}
n = gzflush((gzFile)re_stream,Z_FULL_FLUSH);
if (n != Z_OK) {
fail("ERROR: writing workunit archive failed (flush)\n");
}
n = gzprintf((gzFile)wu_index_stream,
"%lu %d %s\n",
wu.id, time_int, wu.name
);
if (n <= 0) {
fail("ERROR: writing workunit index failed\n");
}
n = gzflush((gzFile)re_stream,Z_SYNC_FLUSH);
if (n != Z_OK) {
fail("ERROR: writing workunit index failed (flush)\n");
}
return 0;
}
int purge_and_archive_results(DB_WORKUNIT& wu, int& number_results) {
int retval= 0;
DB_RESULT result;
char buf[256];
number_results=0;
sprintf(buf, "where workunitid=%lu", wu.id);
while (!result.enumerate(buf)) {
if (!no_archive) {
if (compression_type == COMPRESSION_ZLIB) {
retval = archive_result_gz(result);
} else {
retval = archive_result(result);
}
if (retval) return retval;
log_messages.printf(MSG_DEBUG,
"Archived result [%lu] to a file\n", result.id
);
}
if (dont_delete) {
log_messages.printf(MSG_DEBUG,
"Didn't purge result [%lu] from database (-dont_delete)\n", result.id
);
} else {
retval = result.delete_from_db();
if (retval) return retval;
log_messages.printf(MSG_DEBUG,
"Purged result [%lu] from database\n", result.id
);
}
number_results++;
}
return 0;
}
// return true if did anything
//
bool do_pass() {
int retval = 0;
// The number of workunits/results purged in a single pass of do_pass().
// Since do_pass() may be invoked multiple times,
// corresponding global variables store global totals.
//
int do_pass_purged_workunits = 0;
int do_pass_purged_results = 0;
int min_age_seconds = 0;
// check to see if we got a stop signal.
// Note that if we do catch a stop signal here,
// we call an exit handler that closes [and optionally compresses] files
// before returning to the OS.
//
check_stop_daemons();
bool did_something = false;
DB_WORKUNIT wu;
char buf[256], buf2[256];
sprintf(buf, "where file_delete_state=%d", FILE_DELETE_DONE);
if (min_age_days) {
min_age_seconds = (int) (min_age_days*86400);
sprintf(buf2,
" and mod_time<current_timestamp() - interval %d second",
min_age_seconds
);
strcat(buf, buf2);
}
if (id_modulus) {
sprintf(buf2, " and id %% %d = %d", id_modulus, id_remainder);
strcat(buf, buf2);
}
if (strlen(app_name)) {
sprintf(buf2, " and appid=%lu", app.id);
strcat(buf, buf2);
}
sprintf(buf2, " limit %d", DB_QUERY_LIMIT);
strcat(buf, buf2);
int n=0;
while (1) {
retval = wu.enumerate(buf);
if (retval) {
if (retval != ERR_DB_NOT_FOUND) {
log_messages.printf(MSG_DEBUG,
"DB connection lost, exiting\n"
);
exit(0);
}
break;
}
if (strstr(wu.name, "nodelete")) continue;
did_something = true;
// if archives have not already been opened, then open them.
//
if (!no_archive && !wu_stream) {
open_all_archives();
}
retval = purge_and_archive_results(wu, n);
do_pass_purged_results += n;
if (!no_archive) {
if (compression_type == COMPRESSION_ZLIB) {
retval= archive_wu_gz(wu);
} else {
retval= archive_wu(wu);
}
if (retval) {
log_messages.printf(MSG_CRITICAL,
"Failed to write to XML file workunit:%lu\n", wu.id
);
exit(5);
}
log_messages.printf(MSG_DEBUG,
"Archived workunit [%lu] to a file\n", wu.id
);
}
// purge workunit from DB
//
if (dont_delete) {
log_messages.printf(MSG_DEBUG,
"Didn't purge workunit [%lu] from database (-dont_delete)\n", wu.id
);
} else {
retval= wu.delete_from_db();
if (retval) {
log_messages.printf(MSG_CRITICAL,
"Can't delete workunit [%lu] from database:%d\n",
wu.id, retval
);
exit(6);
}
if (config.enable_assignment) {
DB_ASSIGNMENT asg;
sprintf(buf2, "workunitid=%lu", wu.id);
asg.delete_from_db_multi(buf2);
}
log_messages.printf(MSG_DEBUG,
"Purged workunit [%lu] from database\n", wu.id
);
}
purged_workunits++;
do_pass_purged_workunits++;
wu_stored_in_file++;
if (!no_archive) {
fflush(NULL);
// if file has got max # of workunits, close and compress it.
// This sets file pointers to NULL
//
if (max_wu_per_file && wu_stored_in_file>=max_wu_per_file) {
close_all_archives();
wu_stored_in_file = 0;
}
}
if (time_to_quit()) {
break;
}
}
if (do_pass_purged_workunits) {
log_messages.printf(MSG_NORMAL,
"Archived %d workunits and %d results\n",
do_pass_purged_workunits, do_pass_purged_results
);
}
if (did_something && wu_stored_in_file>0) {
log_messages.printf(MSG_DEBUG,
"Currently open archive files contain %d workunits\n",
wu_stored_in_file
);
}
if (do_pass_purged_workunits > DB_QUERY_LIMIT/2) {
return true;
} else {
return false;
}
}
int main(int argc, char** argv) {
int retval;
bool one_pass = false;
int i;
int sleep_sec = 600;
check_stop_daemons();
char buf[256];
for (i=1; i<argc; i++) {
if (is_arg(argv[i], "one_pass")) {
one_pass = true;
} else if (is_arg(argv[i], "dont_delete")) {
dont_delete = true;
} else if (is_arg(argv[i], "d") || is_arg(argv[i], "debug_level")) {
if (!argv[++i]) {
log_messages.printf(MSG_CRITICAL, "%s requires an argument\n\n", argv[--i]);
usage();
exit(1);
}
int dl = atoi(argv[i]);
log_messages.set_debug_level(dl);
if (dl == 4) g_print_queries = true;
} else if (is_arg(argv[i], "min_age_days")) {
if (!argv[++i]) {
log_messages.printf(MSG_CRITICAL, "%s requires an argument\n\n", argv[--i]);
usage();
exit(1);
}
min_age_days = atof(argv[i]);
} else if (is_arg(argv[i], "max")) {
if (!argv[++i]) {
log_messages.printf(MSG_CRITICAL, "%s requires an argument\n\n", argv[--i]);
usage();
exit(1);
}
max_number_workunits_to_purge= atoi(argv[i]);
} else if (is_arg(argv[i], "daily_dir")) {
daily_dir=true;
} else if (is_arg(argv[i], "zip")) {
compression_type=COMPRESSION_ZIP;
} else if (is_arg(argv[i], "gzip")) {
compression_type=COMPRESSION_GZIP;
} else if (is_arg(argv[i], "zlib")) {
compression_type=COMPRESSION_ZLIB;
} else if (is_arg(argv[i], "max_wu_per_file")) {
if(!argv[++i]) {
log_messages.printf(MSG_CRITICAL, "%s requires an argument\n\n", argv[--i]);
usage();
exit(1);
}
max_wu_per_file = atoi(argv[i]);
} else if (is_arg(argv[i], "no_archive")) {
no_archive = true;
} else if (is_arg(argv[i], "sleep")) {
if(!argv[++i]) {
log_messages.printf(MSG_CRITICAL, "%s requires an argument\n\n", argv[--i]);
usage();
exit(1);
}
sleep_sec = atoi(argv[i]);
if (sleep_sec < 1 || sleep_sec > 86400) {
log_messages.printf(MSG_CRITICAL,
"Unreasonable value of sleep interval: %d seconds\n",
sleep_sec
);
usage();
exit(1);
}
} else if (is_arg(argv[i], "--help") || is_arg(argv[i], "-help") || is_arg(argv[i], "-h")) {
usage();
return 0;
} else if (is_arg(argv[i], "--version") || is_arg(argv[i], "-version")) {
printf("%s\n", SVN_VERSION);
exit(0);
} else if (is_arg(argv[i], "mod")) {
if (!argv[i+1] || !argv[i+2]) {
log_messages.printf(MSG_CRITICAL,
"%s requires two arguments\n\n", argv[i]
);
usage();
exit(1);
}
id_modulus = atoi(argv[++i]);
id_remainder = atoi(argv[++i]);
} else if (is_arg(argv[i], "app")) {
safe_strcpy(app_name, argv[++i]);
} else {
log_messages.printf(MSG_CRITICAL,
"unknown command line argument: %s\n\n", argv[i]
);
usage();
exit(1);
}
}
if (id_modulus && !no_archive) {
log_messages.printf(MSG_CRITICAL,
"If you use modulus, you must set no_archive\n\n"
);
usage();
exit(1);
}
retval = config.parse_file();
if (retval) {
log_messages.printf(MSG_CRITICAL,
"Can't parse config.xml: %s\n", boincerror(retval)
);
exit(1);
}
log_messages.printf(MSG_NORMAL, "Starting\n");
retval = boinc_db.open(
config.db_name, config.db_host, config.db_user, config.db_passwd
);
if (retval) {
log_messages.printf(MSG_CRITICAL, "Can't open DB\n");
exit(2);
}
install_stop_signal_handler();
boinc_mkdir(config.project_path("archives"));
// on exit, either via the check_stop_daemons signal handler, or
// through a regular call to exit, these functions will be called
// in the opposite order of registration.
//
atexit(close_db_exit_handler);
atexit(close_all_archives);
if (strlen(app_name)) {
sprintf(buf, "where name='%s'", app_name);
retval = app.lookup(buf);
if (retval) {
log_messages.printf(MSG_CRITICAL, "Can't find app %s\n", app_name);
exit(1);
}
}
while (1) {
if (time_to_quit()) {
break;
}
if (!do_pass() && !one_pass) {
log_messages.printf(MSG_NORMAL, "Sleeping....\n");
daemon_sleep(sleep_sec);
}
if (one_pass) {
break;
}
}
// files and database are closed by exit handler
exit(0);
}
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