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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
// db_purge: 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 "boinc_db.h"
#include "util.h"
#include "parse.h"
#include "sched_config.h"
#include "sched_util.h"
SCHED_CONFIG config;
FILE *wu_stream;
FILE *re_stream;
int openDBconnection() {
int retval=0;
//open DB connection
retval = boinc_db.open(config.db_name, config.db_host, config.db_user,
config.db_passwd);
return retval;
}
int closeFile(FILE *stream) {
return fclose(stream);
}
//open archive files for purged workunits with the name- archive_workunitTIMESTAMP.xml
//open archive files for purged results with the name- archive_resultTIMESTAMP.xml
FILE* open_archive(char* filename){
int retval=0;
char path[256];
FILE* f;
sprintf(path,"../archives/%s_%d.xml", filename, time(0));
if ((f = fopen( wu_archive_file_name,"a")) == NULL) {
fprintf(stdout,"DB_PURGE: Can't open archive file %s\n", wu_archive_file_name);
return 0;
}
fprintf(f,
"<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n"
);
return f;
}
int archive_result(DB_RESULT result) {
fprintf(re_stream,
"<result>\n"
" <id>%d</id>\n",
result.id
);
escape_xml(stderr_out);
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,
result.stderr_out,
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>\n"
);
return 0;
}
int archive_wu(DB_WORKUNIT wu) {
fprintf(wu_stream,
"<workunit>\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>\n"
);
return 0;
}
void cleanUpResources() {
//close archive files
closeFile(wu_stream);
closeFile(re_stream);
//close DB connection
boinc_db.close();
}
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;
retval= result.delete_from_db();
if (retval) return retval;
number_results++;
}
return 0;
}
int main(int argc, char** argv) {
int purged_workunits= 0, purged_results= 0;
int retval= 0;
retval= config.parse_file("..");
if (retval) {
fprintf(stdout, "DB_PURGE: Can't parse config file\n");
exit(1);
}
fprintf(stdout, "DB_PURGE: Starting DB Purger\n");
retval= openDBconnection();
if (retval) {
fprintf(stdout, "DB_PURGE: Can't open DB\n");
exit(1);
}
fprintf(stdout, "DB_PURGE: Opened DB\n");
mkdir("../archives", 0777);
wu_stream = open_archive("wuarchive");
re_stream = open_archive("resultarchive");
if (!wu_stream || !re_stream) {
fprintf(stdout, "Can't open archives\n");
exit(1);
}
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 1000", FILE_DELETE_DONE);
while (!wu.enumerate(buf)) {
did_something = true;
retval = purge_and_archive_results(wu, n);
purged_results += n;
retval= archive_wu(wu);
if (retval) {
fprintf(stdout,"DB_PURGE: Failed to write to XML file workunit:%d\n", wu.id);
exit(1);
}
fprintf(stdout,"DB_PURGE: Archived workunit [%d] to a file\n", wu.id);
//purge workunit from DB
retval= wu.delete_from_db();
if (retval) {
fprintf(stdout,"DB_PURGE: Can't delete workunit [%d] from database:%d\n", wu.id, retval);
exit(1);
}
fprintf(stdout,"DB_PURGE: Purged workunit [%d] from database\n", wu.id);
purged_workunits++;
}
if (!did_something) {
fprintf(stdout, "DB_PURGE: Did not do anything\n");
exit(1);
}
fprintf(stdout, "DB_PURGE: Archived %d workunits and %d results\n",purged_workunits,purged_results);
}
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