mirror of https://github.com/BOINC/boinc.git
392 lines
13 KiB
C
392 lines
13 KiB
C
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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//
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// validate - check and validate new results, and grant credit
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// -app appname
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// -quorum n // example WUs only with this many done results
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// [-one_pass] // make one pass through WU table, then exit
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// [-asynch] // fork, run in separate process
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//
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// This program must be linked with two project-specific functions:
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//
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// int check_set(vector<RESULT>, int& canonical, double& credit)
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// Compare a set of results.
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// If a canonical result is found, return its ID,
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// and set the "validate_state" field of all the results
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// according to whether they match the canonical result.
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// Also return the "canonical credit" (e.g. the average or median)
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//
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// int pair_check(RESULT& new_result, RESULT& canonical, bool& valid);
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// return valid=true iff the new result matches the canonical one
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//
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// Both functions return nonzero if an error occurred,
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// in which case other outputs are undefined
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using namespace std;
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#include <unistd.h>
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#include <math.h>
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#include <vector>
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#include "boinc_db.h"
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#include "util.h"
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#include "config.h"
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#include "sched_util.h"
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#define LOCKFILE "validate.out"
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#define PIDFILE "validate.pid"
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extern int check_set(vector<RESULT>&, int& canonical, double& credit);
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extern int check_pair(RESULT&, RESULT&, bool&);
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CONFIG config;
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char app_name[256];
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int min_quorum;
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// here when a result has been validated;
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// grant credit to host and user
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//
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int grant_credit(DB_RESULT& result, double credit) {
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DB_USER user;
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DB_HOST host;
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int retval;
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retval = host.lookup_id(result.hostid);
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if (retval) return retval;
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retval = user.lookup_id(host.userid);
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if (retval) return retval;
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user.total_credit += credit;
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update_average(result.sent_time, credit, user.expavg_credit, user.expavg_time);
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retval = user.update();
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if (retval) return retval;
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host.total_credit += credit;
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update_average(result.sent_time, credit, host.expavg_credit, host.expavg_time);
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retval = host.update();
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if (retval) return retval;
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return 0;
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}
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void handle_wu(DB_WORKUNIT& wu) {
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DB_RESULT result, canonical_result;
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bool match, update_result;
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int retval, canonicalid = 0;
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double credit;
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unsigned int i;
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char buf[256];
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if (wu.canonical_resultid) {
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log_messages.printf(
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SchedMessages::NORMAL,
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"[%s] handle_wu(): Already has canonical result\n", wu.name
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);
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++log_messages;
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// Here if WU already has a canonical result.
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// Get unchecked results and see if they match the canonical result
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//
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retval = canonical_result.lookup_id(wu.canonical_resultid);
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if (retval) {
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log_messages.printf(
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SchedMessages::CRITICAL,
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"[%s] Can't read canonical result; marking as validated\n",
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wu.name
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);
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// Mark this WU as validated, otherwise we'll keep checking it
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goto mark_validated;
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}
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// scan this WU's results, and check the unchecked ones
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//
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// sprintf(buf, "where workunitid=%d", wu.id);
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// while (!result.enumerate(buf)) {
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// if (result.validate_state == VALIDATE_STATE_INIT
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// && result.server_state == RESULT_SERVER_STATE_OVER
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// && result.outcome == RESULT_OUTCOME_SUCCESS
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// ) {
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sprintf(buf, "where workunitid=%d and validate_state=%d and server_state=%d and outcome=%d",
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wu.id, VALIDATE_STATE_INIT, RESULT_SERVER_STATE_OVER, RESULT_OUTCOME_SUCCESS);
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while (!result.enumerate(buf)) {
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{
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retval = check_pair(result, canonical_result, match);
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if (retval) {
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log_messages.printf(
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SchedMessages::DEBUG,
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"[%s]: pair_check() failed for result\n",
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result.name
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);
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continue;
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} else {
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if (match) {
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result.validate_state = VALIDATE_STATE_VALID;
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result.granted_credit = wu.canonical_credit;
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log_messages.printf(
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SchedMessages::NORMAL,
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"[%s] pair_check() matched: setting result to valid; credit %f\n",
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result.name, result.granted_credit
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);
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} else {
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result.validate_state = VALIDATE_STATE_INVALID;
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log_messages.printf(
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SchedMessages::NORMAL,
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"[%s] pair_check() didn't match: setting result to invalid\n",
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result.name
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);
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}
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}
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retval = result.update();
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if (retval) {
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log_messages.printf(
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SchedMessages::CRITICAL,
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"[%s] Can't update result\n", result.name
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);
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continue;
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}
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retval = grant_credit(result, result.granted_credit);
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if (retval) {
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log_messages.printf(
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SchedMessages::NORMAL,
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"[%s] Can't grant credit\n", result.name
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);
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continue;
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}
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}
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}
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} else {
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vector<RESULT> results;
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// Here if WU doesn't have a canonical result yet.
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// Try to get one
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log_messages.printf(
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SchedMessages::NORMAL,
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"[%s] handle_wu(): No canonical result yet\n", wu.name
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);
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++log_messages;
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// sprintf(buf, "where workunitid=%d", wu.id);
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// while (!result.enumerate(buf)) {
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// if (result.server_state == RESULT_SERVER_STATE_OVER
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// && result.outcome == RESULT_OUTCOME_SUCCESS
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// ) {
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sprintf(buf, "where workunitid=%d and server_state=%d and outcome=%d",
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wu.id, RESULT_SERVER_STATE_OVER, RESULT_OUTCOME_SUCCESS);
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while (!result.enumerate(buf)) {
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results.push_back(result);
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}
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log_messages.printf(
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SchedMessages::DEBUG, "[%s] Found %d successful results\n",
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wu.name, (int)results.size()
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);
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if (results.size() >= (unsigned int)min_quorum) {
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log_messages.printf(
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SchedMessages::DEBUG,
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"[%s] Enough for quorum, checking set.\n", wu.name
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);
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retval = check_set(results, canonicalid, credit);
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if (!retval && canonicalid) {
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log_messages.printf(
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SchedMessages::DEBUG,
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"[%s] Found a canonical result: id=%d\n",
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wu.name, canonicalid
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);
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wu.canonical_resultid = canonicalid;
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wu.canonical_credit = credit;
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wu.assimilate_state = ASSIMILATE_READY;
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for (i=0; i<results.size(); i++) {
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result = results[i];
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update_result = false;
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// grant credit for valid results
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//
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if (result.validate_state == VALIDATE_STATE_VALID) {
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update_result = true;
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retval = grant_credit(result, credit);
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if (retval) {
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log_messages.printf(
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SchedMessages::DEBUG,
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"[%s] grant_credit() returned %d\n", result.name, retval
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);
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}
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result.granted_credit = credit;
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log_messages.printf(
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SchedMessages::NORMAL,
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"[%s] Granted %f credit to valid result [HOST#%d]\n",
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result.name, result.granted_credit, result.hostid
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);
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}
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// // don't send any unsent results
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// //
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// if (result.server_state == RESULT_SERVER_STATE_UNSENT) {
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// update_result = true;
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// result.server_state = RESULT_SERVER_STATE_OVER;
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// result.received_time = time(0);
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// result.outcome = RESULT_OUTCOME_DIDNT_NEED;
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// }
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if (update_result) {
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retval = result.update();
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if (retval) {
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log_messages.printf(
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SchedMessages::CRITICAL,
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"[%s] result.update() = %d\n",
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result.name, retval
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);
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}
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}
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}
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// don't send any unsent results
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sprintf(buf, "where workunitid=%d and server_state=%d",
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wu.id, RESULT_SERVER_STATE_UNSENT);
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while (!result.enumerate(buf)) {
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result.server_state = RESULT_SERVER_STATE_OVER;
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result.received_time = time(0);
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result.outcome = RESULT_OUTCOME_DIDNT_NEED;
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retval = result.update();
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if (retval) {
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log_messages.printf(
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SchedMessages::CRITICAL,
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"[%s] result.update() = %d\n",
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result.name, retval
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);
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}
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}
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}
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}
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}
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--log_messages;
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mark_validated:
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// we've checked all results for this WU, so turn off flag
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//
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wu.need_validate = 0;
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retval = wu.update();
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if (retval) {
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log_messages.printf(
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SchedMessages::CRITICAL,
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"[%s] wu.update() = %d\n", wu.name, retval
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);
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}
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}
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// make one pass through the workunits with need_validate set.
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// return true if there were any
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//
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bool do_validate_scan(APP& app, int min_quorum) {
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DB_WORKUNIT wu;
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char buf[256];
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bool found=false;
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sprintf(buf, "where appid=%d and need_validate<>0", app.id);
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while (!wu.enumerate(buf)) {
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handle_wu(wu);
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found = true;
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}
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return found;
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}
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int main_loop(bool one_pass) {
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int retval;
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DB_APP app;
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bool did_something;
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char buf[256];
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retval = boinc_db_open(config.db_name, config.db_passwd);
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if (retval) {
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log_messages.printf(SchedMessages::CRITICAL, "boinc_db_open: %d\n", retval);
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exit(1);
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}
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sprintf(buf, "where name='%s'", app_name);
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retval = app.lookup(buf);
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if (retval) {
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log_messages.printf(SchedMessages::CRITICAL, "can't find app %s\n", app.name);
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exit(1);
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}
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while (1) {
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check_stop_trigger();
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did_something = do_validate_scan(app, min_quorum);
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if (one_pass) break;
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if (!did_something) {
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sleep(5);
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}
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}
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return 0;
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}
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int main(int argc, char** argv) {
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int i, retval;
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bool asynch = false, one_pass = false;
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check_stop_trigger();
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for (i=1; i<argc; i++) {
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if (!strcmp(argv[i], "-asynch")) {
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asynch = true;
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} else if (!strcmp(argv[i], "-one_pass")) {
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one_pass = true;
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} else if (!strcmp(argv[i], "-app")) {
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strcpy(app_name, argv[++i]);
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} else if (!strcmp(argv[i], "-d")) {
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log_messages.set_debug_level(atoi(argv[++i]));
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} else if (!strcmp(argv[i], "-quorum")) {
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min_quorum = atoi(argv[++i]);
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} else {
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log_messages.printf(SchedMessages::CRITICAL, "unrecognized arg: %s\n", argv[i]);
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}
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}
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if (min_quorum < 1 || min_quorum > 10) {
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log_messages.printf(SchedMessages::CRITICAL, "bad min_quorum: %d\n", min_quorum);
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exit(1);
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}
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retval = config.parse_file();
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if (retval) {
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log_messages.printf(SchedMessages::CRITICAL, "Can't parse config file\n");
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exit(1);
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}
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if (asynch) {
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if (fork()) {
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exit(0);
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}
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}
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// // Call lock_file after fork(), because file locks are not always inherited
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// if (lock_file(LOCKFILE)) {
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// log_messages.printf(SchedMessages::NORMAL, "Another copy of validate is already running\n");
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// exit(1);
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// }
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// write_pid_file(PIDFILE);
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log_messages.printf(SchedMessages::NORMAL, "Starting validator: min_quorum %d\n", min_quorum);
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install_sigint_handler();
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main_loop(one_pass);
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}
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