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boinc/sched/db_purge.C

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// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
// TO DO:
// 1) Need to add support for compressed zip of archived files that may contain max X number
// of items (similiar to db_dump.C).
// 2) Need to escape XML output
// purges workunit and result records that are no longer needed from
// the database
#include <cstdio>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <string>
#include <time.h>
using namespace std;
#include "boinc_db.h"
#include "util.h"
#include "parse.h"
#include "sched_config.h"
#include "sched_util.h"
#include "sched_msgs.h"
#include "error_numbers.h"
#define LOCKFILE "db_purge.out"
#define PIDFILE "db_purge.pid"
#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
SCHED_CONFIG config;
FILE *wu_stream;
FILE *re_stream;
FILE *wu_index_stream;
FILE *re_index_stream;
int time_int;
int purged_workunits= 0, purged_results= 0,
max_number_workunits_to_purge;
int open_archive(char* filename_prefix, FILE*& f){
int retval=0;
char path[256];
sprintf(path,"../archives/%s_%d.xml", filename_prefix, time_int);
log_messages.printf(SCHED_MSG_LOG::NORMAL, "Opening archive %s\n", path);
if ((f = fopen( path,"a+")) == NULL) {
log_messages.printf(SCHED_MSG_LOG::CRITICAL,"Can't open archive file %s\n", path);
return ERR_FOPEN;
}
//fprintf(f,
// "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n"
//);
//fprintf(f,
// "<%s>\n",filename_prefix
//);
setbuf( f, NULL );
return retval;
}
int archive_result(DB_RESULT& result) {
fprintf(re_stream,
"<result_archive>\n"
" <id>%d</id>\n",
result.id
);
string r1, r2;
r1= result.stderr_out;
xml_escape(r1, r2);
fprintf(
re_stream,
" <create_time>%d</create_time>\n"
" <workunitid>%d</workunitid>\n"
" <server_state>%d</server_state>\n"
" <outcome>%d</outcome>\n"
" <client_state>%d</client_state>\n"
" <hostid>%d</hostid>\n"
" <userid>%d</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"
" <appid>%d</appid>\n"
" <exit_status>%d</exit_status>\n"
" <teamid>%d</teamid>\n",
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,
r2.c_str(),
result.batch,
result.file_delete_state,
result.validate_state,
result.claimed_credit,
result.granted_credit,
result.opaque,
result.random,
result.app_version_num,
result.appid,
result.exit_status,
result.teamid
);
fprintf(re_stream,
"</result_archive>\n"
);
fprintf(re_index_stream,
"%d %d\n",
result.id, time_int
);
return 0;
}
int archive_wu(DB_WORKUNIT& wu) {
fprintf(wu_stream,
"<workunit_archive>\n"
" <id>%d</id>\n",
wu.id
);
fprintf(wu_stream,
" <create_time>%d</create_time>\n"
" <appid>%d</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>%d</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"
" <workseq_next>%d</workseq_next>\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",
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.workseq_next,
wu.opaque,
wu.min_quorum,
wu.target_nresults,
wu.max_error_results,
wu.max_total_results,
wu.max_success_results,
wu.result_template_file
);
fprintf(wu_stream,
"</workunit_archive>\n"
);
fprintf(wu_index_stream,
"%d %d\n",
wu.id, time_int
);
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=%d", wu.id);
while (!result.enumerate(buf)) {
retval= archive_result(result);
if (retval) return retval;
log_messages.printf(SCHED_MSG_LOG::DEBUG,"Archived result [%d] to a file\n", result.id);
retval= result.delete_from_db();
if (retval) return retval;
log_messages.printf(SCHED_MSG_LOG::DEBUG,"Purged result [%d] from database\n", result.id);
number_results++;
}
return 0;
}
// return nonzer if did anything
//
bool do_pass() {
int retval= 0;
purged_workunits= 0;
purged_results= 0;
check_stop_daemons();
bool did_something = false;
DB_WORKUNIT wu;
char buf[256];
// select all workunits with file_delete_state='DONE'
//
sprintf(buf, "where file_delete_state=%d limit %d", FILE_DELETE_DONE,
DB_QUERY_LIMIT);
int n=0;
while (!wu.enumerate(buf)) {
did_something = true;
retval = purge_and_archive_results(wu, n);
purged_results += n;
retval= archive_wu(wu);
if (retval) {
log_messages.printf(SCHED_MSG_LOG::CRITICAL,
"Failed to write to XML file workunit:%d\n", wu.id
);
exit(1);
}
log_messages.printf(SCHED_MSG_LOG::DEBUG,"Archived workunit [%d] to a file\n", wu.id);
//purge workunit from DB
retval= wu.delete_from_db();
if (retval) {
log_messages.printf(SCHED_MSG_LOG::CRITICAL,"Can't delete workunit [%d] from database:%d\n", wu.id, retval);
exit(1);
}
log_messages.printf(SCHED_MSG_LOG::DEBUG,"Purged workunit [%d] from database\n", wu.id);
purged_workunits++;
if (purged_workunits >= max_number_workunits_to_purge)
break;
}
log_messages.printf(SCHED_MSG_LOG::NORMAL,
"Archived %d workunits and %d results\n",
purged_workunits,purged_results
);
return did_something;
}
int main(int argc, char** argv) {
int retval;
bool asynch = false, one_pass = false;
int i;
check_stop_daemons();
for (i=1; i<argc; i++) {
if (!strcmp(argv[i], "-asynch")) {
asynch = true;
} else if (!strcmp(argv[i], "-one_pass")) {
one_pass = true;
} else if (!strcmp(argv[i], "-d")) {
log_messages.set_debug_level(atoi(argv[++i]));
} else if (!strcmp(argv[i], "-max")) {
max_number_workunits_to_purge= atoi(argv[++i]);
} else {
log_messages.printf(SCHED_MSG_LOG::CRITICAL,
"Unrecognized arg: %s\n",
argv[i]
);
}
}
retval = config.parse_file("..");
if (retval) {
log_messages.printf(SCHED_MSG_LOG::CRITICAL,
"Can't parse config file\n"
);
exit(1);
}
if (asynch) {
if (fork()) {
exit(0);
}
}
// // Call lock_file after fork(), because file locks are not always
// inherited
// if (lock_file(LOCKFILE)) {
// log_messages.printf(SCHED_MSG_LOG::NORMAL, "Another copy of file
// deleter is running\n");
// exit(1);
// }
// write_pid_file(PIDFILE);
log_messages.printf(SCHED_MSG_LOG::NORMAL, "Starting\n");
retval = boinc_db.open(config.db_name, config.db_host, config.db_user,
config.db_passwd);
if (retval) {
log_messages.printf(SCHED_MSG_LOG::CRITICAL, "Can't open DB\n");
exit(1);
}
install_stop_signal_handler();
//time_t now;
//struct tm tim;
//size_t i;
//now= time(0);
//tim= *(localtime(&now));
//i= strftime(time_int,30,"%b%d_%Y_%H:%M:%S", &tim);
time_int= (int)time(0);
mkdir("../archives", 0777);
retval = open_archive(WU_FILENAME_PREFIX, wu_stream);
if (!retval)
retval = open_archive(RESULT_FILENAME_PREFIX, re_stream);
if (!retval)
retval = open_archive(RESULT_INDEX_FILENAME_PREFIX,
re_index_stream);
if (!retval)
retval = open_archive(WU_INDEX_FILENAME_PREFIX, wu_index_stream);
if (retval) {
log_messages.printf(SCHED_MSG_LOG::CRITICAL, "Can't open archives\n");
exit(1);
}
if (one_pass) {
do_pass();
} else {
while (1) {
if (purged_workunits >= max_number_workunits_to_purge)
break;
if (!do_pass())
sleep(10);
}
}
boinc_db.close();
fclose(wu_stream);
fclose(re_stream);
fclose(wu_index_stream);
fclose(re_index_stream);
}
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