mirror of https://github.com/BOINC/boinc.git
138 lines
3.9 KiB
C++
138 lines
3.9 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2014 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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// utility functions for BOINC server programs
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#include "config.h"
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#include "boinc_db.h"
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#include "sched_util.h"
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void compute_avg_turnaround(HOST& host, double turnaround) {
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double new_avg;
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if (host.avg_turnaround == 0) {
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new_avg = turnaround;
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} else {
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new_avg = .7*host.avg_turnaround + .3*turnaround;
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}
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host.avg_turnaround = new_avg;
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}
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int PERF_INFO::get_from_db() {
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int retval;
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long n;
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DB_HOST host;
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host_fpops_mean = 2.2e9;
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host_fpops_stddev = .7e9;
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host_fpops_50_percentile = 3.3e9;
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host_fpops_95_percentile = 3.3e9;
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retval = host.count(n);
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if (retval) return retval;
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if (n < 10) return 0;
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retval = host.fpops_mean(host_fpops_mean);
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retval = host.fpops_stddev(host_fpops_stddev);
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retval = host.fpops_percentile(50, host_fpops_50_percentile);
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retval = host.fpops_percentile(95, host_fpops_95_percentile);
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return 0;
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}
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int count_results(char* query, long& n) {
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DB_RESULT result;
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return result.count(n, query);
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}
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int count_workunits(long& n, const char* query) {
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DB_WORKUNIT workunit;
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return workunit.count(n, query);
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}
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int count_unsent_results(long& n, DB_ID_TYPE appid, int size_class) {
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char query[1024], buf[256];
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sprintf(query, "where server_state<=%d", RESULT_SERVER_STATE_UNSENT);
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if (appid) {
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sprintf(buf, " and appid=%lu", appid);
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strcat(query, buf);
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}
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if (size_class >= 0) {
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sprintf(buf, " and size_class=%d", size_class);
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strcat(query, buf);
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}
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return count_results(query, n);
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}
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// Arrange that further results for this workunit
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// will be sent only to the specific host(s).
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// This could be used, for example, so that late workunits
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// are sent only to cloud or cluster resources
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//
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static int restrict_wu(WORKUNIT& _wu, DB_ID_TYPE id, int assign_type) {
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DB_RESULT result;
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DB_ASSIGNMENT asg;
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DB_WORKUNIT wu;
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wu = _wu;
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char buf[256];
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int retval;
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// mark unsent results as DIDNT_NEED
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//
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sprintf(buf, "where workunitid=%lu and server_state=%d",
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wu.id, RESULT_SERVER_STATE_UNSENT
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);
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while (!result.enumerate(buf)) {
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char buf2[256];
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sprintf(buf2, "server_state=%d, outcome=%d",
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RESULT_SERVER_STATE_OVER,
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RESULT_OUTCOME_DIDNT_NEED
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);
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result.update_field(buf2);
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}
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// mark the WU as TRANSITION_NO_NEW_RESULTS
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//
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sprintf(buf, "transitioner_flags=%d", TRANSITION_NO_NEW_RESULTS);
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retval = wu.update_field(buf);
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if (retval) return retval;
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// create an assignment record
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//
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asg.clear();
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asg.create_time = time(0);
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asg.target_id = id;
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asg.target_type = assign_type;
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asg.multi = 0;
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asg.workunitid = wu.id;
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retval = asg.insert();
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return retval;
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}
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int restrict_wu_to_user(WORKUNIT& wu, DB_ID_TYPE userid) {
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return restrict_wu(wu, userid, ASSIGN_USER);
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}
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int restrict_wu_to_host(WORKUNIT& wu, DB_ID_TYPE hostid) {
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return restrict_wu(wu, hostid, ASSIGN_HOST);
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}
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// return the min transition time.
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// This lets you check if the transitioner is backed up.
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//
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int min_transition_time(double& x) {
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return boinc_db.get_double("select min(transition_time) from workunit", x);
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}
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