mirror of https://github.com/BOINC/boinc.git
112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 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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// scheduler code related to homogeneous redundancy
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#include "config.h"
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#include <ctime>
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#include <cstdio>
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#include <stdlib.h>
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#include <cstring>
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#include <string>
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#include "error_numbers.h"
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#include "server_types.h"
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#include "sched_config.h"
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#include "sched_msgs.h"
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#include "main.h"
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#include "hr.h"
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#include "sched_hr.h"
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#ifdef _USING_FCGI_
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#include "fcgi_stdio.h"
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#else
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#define FCGI_ToFILE(x) (x)
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#endif
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// return true if HR rules out sending any work to this host
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//
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bool hr_unknown_platform(HOST& host) {
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for (int i=0; i<ssp->napps; i++) {
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APP& app = ssp->apps[i];
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if (!hr_unknown_platform_type(host, app_hr_type(app))) return false;
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}
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return true;
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}
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// quick check for platform compatibility
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//
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bool already_sent_to_different_platform_quick(
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SCHEDULER_REQUEST& sreq, WORKUNIT& wu, APP& app
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) {
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if (wu.hr_class && (hr_class(sreq.host, app_hr_type(app)) != wu.hr_class)) {
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return true;
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}
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return false;
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}
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// If we've already sent a result of this WU to a different platform
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// return true
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// else if we haven't sent a result to ANY platform
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// update WU with platform code
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// return false
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//
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// (where "platform" is os_name + p_vendor; may want to sharpen this for Unix)
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//
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// This is "careful" in that it rereads the WU from DB
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//
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bool already_sent_to_different_platform_careful(
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SCHEDULER_REQUEST& sreq, WORK_REQ& wreq, WORKUNIT& workunit, APP& app
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) {
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DB_WORKUNIT db_wu;
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int retval, wu_hr_class;
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char buf[256], buf2[256];
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// reread hr_class field from DB in case it's changed
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//
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db_wu.id = workunit.id;
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retval = db_wu.get_field_int("hr_class", wu_hr_class);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"can't get hr_class for %d: %d\n",
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db_wu.id, retval
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);
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return true;
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}
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wreq.hr_reject_temp = false;
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int host_hr_class = hr_class(sreq.host, app_hr_type(app));
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if (wu_hr_class) {
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if (host_hr_class != wu_hr_class) {
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wreq.hr_reject_temp = true;
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}
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} else {
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// do a "careful update" to make sure the WU's hr_class hasn't
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// changed since we read it earlier
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//
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sprintf(buf, "hr_class=%d", host_hr_class);
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sprintf(buf2, "hr_class=%d", wu_hr_class);
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retval = db_wu.update_field(buf, buf2);
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if (retval) return true;
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if (boinc_db.affected_rows() != 1) return true;
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}
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return wreq.hr_reject_temp;
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}
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const char *BOINC_RCSID_4196d9a5b4="$Id$";
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