mirror of https://github.com/BOINC/boinc.git
712 lines
24 KiB
C++
712 lines
24 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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// validator - check and validate results, and grant credit
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// --app appname
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// [-d N] [--debug_level N] // log verbosity (1=least, 4=most)
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// [--one_pass_N_WU N] // Validate only N WU in one pass, then exit
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// [--one_pass] // make one pass through WU table, then exit
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// [--mod n i] // process only WUs with (id mod n) == i
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// [--max_granted_credit X] // limit maximum granted credit to X
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// [--max_claimed_credit Y] // invalid if claims more than Y
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// [--grant_claimed_credit] // just grant whatever is claimed
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// [--update_credited_job] // add userid/wuid pair to credited_job table
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// [--credit_from_wu] // get credit from WU XML
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#include "config.h"
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#include <unistd.h>
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#include <climits>
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#include <cmath>
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#include <vector>
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#include <cstdlib>
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#include <string>
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#include <signal.h>
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#include "boinc_db.h"
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#include "util.h"
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#include "str_util.h"
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#include "error_numbers.h"
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#include "credit.h"
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#include "sched_config.h"
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#include "sched_util.h"
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#include "sched_msgs.h"
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#include "validator.h"
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#include "validate_util.h"
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#include "validate_util2.h"
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#ifdef GCL_SIMULATOR
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#include "gcl_simulator.h"
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#endif
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#define LOCKFILE "validate.out"
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#define PIDFILE "validate.pid"
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#define SELECT_LIMIT 1000
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#define SLEEP_PERIOD 5
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int sleep_interval = SLEEP_PERIOD;
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typedef enum {
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NEVER,
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DELAYED,
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IMMEDIATE,
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NO_CHANGE
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} TRANSITION_TIME;
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char app_name[256];
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DB_APP app;
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int wu_id_modulus=0;
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int wu_id_remainder=0;
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int one_pass_N_WU=0;
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bool one_pass = false;
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double max_granted_credit = 0;
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double max_claimed_credit = 0;
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bool grant_claimed_credit = false;
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bool update_credited_job = false;
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bool credit_from_wu = false;
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WORKUNIT* g_wup;
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vector<DB_APP_VERSION> app_versions;
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// cache of app_versions; used by v2 credit system
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bool is_unreplicated(WORKUNIT& wu) {
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return (wu.target_nresults == 1 && app.target_nresults > 1);
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}
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void update_error_rate(DB_HOST& host, bool valid) {
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if (valid) {
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host.error_rate *= 0.95;
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} else {
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host.error_rate += 0.1;
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}
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if (host.error_rate > 1) host.error_rate = 1;
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if (host.error_rate <= 0) host.error_rate = ERROR_RATE_INIT;
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}
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// Here when a result has been validated.
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// - update error rate
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// - udpdate turnaround stats
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// - insert credited_job record if needed
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//
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int is_valid(DB_HOST& host, RESULT& result, WORKUNIT& wu) {
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DB_CREDITED_JOB credited_job;
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int retval;
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char buf[256];
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double turnaround = result.received_time - result.sent_time;
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compute_avg_turnaround(host, turnaround);
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// lower error rate, but only if unreplicated
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//
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if (!is_unreplicated(wu)) {
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double old_error_rate = host.error_rate;
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update_error_rate(host, true);
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log_messages.printf(MSG_DEBUG,
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"[HOST#%d] error rate %g->%g\n",
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host.id, old_error_rate, host.error_rate
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);
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}
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if (update_credited_job) {
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credited_job.userid = host.userid;
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credited_job.workunitid = long(wu.opaque);
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retval = credited_job.insert();
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[RESULT#%d] Warning: credited_job insert failed (userid: %d workunit: %f err: %d)\n",
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result.id, host.userid, wu.opaque, retval
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);
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} else {
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log_messages.printf(MSG_DEBUG,
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"[RESULT#%d %s] added credited_job record [WU#%d OPAQUE#%f USER#%d]\n",
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result.id, result.name, wu.id, wu.opaque, host.userid
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);
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}
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}
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return 0;
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}
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int is_invalid(DB_HOST& host, WORKUNIT& wu, RESULT& result) {
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char buf[256];
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int retval;
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double old_error_rate = host.error_rate;
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update_error_rate(host, false);
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log_messages.printf(MSG_DEBUG,
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"[HOST#%d] invalid result; error rate %f->%f\n",
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host.id, old_error_rate, host.error_rate
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);
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return 0;
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}
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// handle a workunit which has new results
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//
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int handle_wu(
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DB_VALIDATOR_ITEM_SET& validator, std::vector<VALIDATOR_ITEM>& items
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) {
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int canonical_result_index = -1;
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bool update_result, retry;
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TRANSITION_TIME transition_time = NO_CHANGE;
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int retval = 0, canonicalid = 0, x;
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double credit = 0;
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unsigned int i;
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WORKUNIT& wu = items[0].wu;
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g_wup = &wu;
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if (wu.canonical_resultid) {
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log_messages.printf(MSG_NORMAL,
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"[WU#%d %s] Already has canonical result %d\n",
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wu.id, wu.name, wu.canonical_resultid
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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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for (i=0; i<items.size(); i++) {
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RESULT& result = items[i].res;
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if (result.id == wu.canonical_resultid) {
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canonical_result_index = i;
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}
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}
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if (canonical_result_index == -1) {
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log_messages.printf(MSG_CRITICAL,
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"[WU#%d %s] Can't find canonical result %d\n",
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wu.id, wu.name, wu.canonical_resultid
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);
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return 0;
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}
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RESULT& canonical_result = items[canonical_result_index].res;
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// scan this WU's results, and check the unchecked ones
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//
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for (i=0; i<items.size(); i++) {
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RESULT& result = items[i].res;
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if (result.server_state != RESULT_SERVER_STATE_OVER) continue;
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if (result.outcome != RESULT_OUTCOME_SUCCESS) continue;
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switch (result.validate_state) {
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case VALIDATE_STATE_INIT:
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case VALIDATE_STATE_INCONCLUSIVE:
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break;
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default:
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continue;
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}
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log_messages.printf(MSG_NORMAL,
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"[WU#%d] handle_wu(): testing result %d\n",
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wu.id, result.id
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);
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check_pair(result, canonical_result, retry);
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if (retry) transition_time = DELAYED;
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update_result = false;
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if (result.outcome == RESULT_OUTCOME_VALIDATE_ERROR) {
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update_result = true;
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}
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// this might be last result, so let transitioner
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// trigger file delete etc. if needed
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//
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transition_time = IMMEDIATE;
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DB_HOST host;
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retval = host.lookup_id(result.hostid);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[RESULT#%d] lookup of host %d failed %d\n",
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result.id, result.hostid, retval
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);
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continue;
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}
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HOST host_initial = host;
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vector<RESULT> rv;
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switch (result.validate_state) {
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case VALIDATE_STATE_VALID:
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update_result = true;
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log_messages.printf(MSG_NORMAL,
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"[RESULT#%d %s] pair_check() matched: setting result to valid\n",
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result.id, result.name
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);
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retval = is_valid(host, result, wu);
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if (retval) {
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log_messages.printf(MSG_NORMAL,
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"[RESULT#%d %s] is_valid() error: %d\n",
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result.id, result.name, retval
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);
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}
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// do credit computation, but grant credit of canonical result
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//
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rv.push_back(result);
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assign_credit_set(
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wu, rv, app, app_versions, max_granted_credit, credit
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);
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result.granted_credit = canonical_result.granted_credit;
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grant_credit(
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host, result.sent_time, result.cpu_time,
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result.granted_credit
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);
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break;
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case VALIDATE_STATE_INVALID:
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update_result = true;
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log_messages.printf(MSG_NORMAL,
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"[RESULT#%d %s] pair_check() didn't match: setting result to invalid\n",
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result.id, result.name
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);
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is_invalid(host, wu, result);
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}
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host.update_diff_validator(host_initial);
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if (update_result) {
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log_messages.printf(MSG_NORMAL,
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"[RESULT#%d %s] granted_credit %f\n",
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result.id, result.name, result.granted_credit
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);
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retval = validator.update_result(result);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[RESULT#%d %s] Can't update result: %d\n",
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result.id, result.name, retval
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);
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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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int nsuccess_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(MSG_NORMAL,
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"[WU#%d %s] handle_wu(): No canonical result yet\n",
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wu.id, wu.name
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);
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++log_messages;
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// make a vector of only successful results
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//
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for (i=0; i<items.size(); i++) {
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RESULT& result = items[i].res;
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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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results.push_back(result);
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}
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}
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log_messages.printf(MSG_DEBUG,
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"[WU#%d %s] Found %d successful results\n",
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wu.id, wu.name, (int)results.size()
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);
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if (results.size() >= (unsigned int)wu.min_quorum) {
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log_messages.printf(MSG_DEBUG,
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"[WU#%d %s] Enough for quorum, checking set.\n",
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wu.id, wu.name
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);
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double dummy;
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retval = check_set(
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app, app_versions, results, wu, canonicalid, dummy, retry
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);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[WU#%d %s] check_set returned %d, exiting\n",
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wu.id, wu.name, retval
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);
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return retval;
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}
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if (retry) transition_time = DELAYED;
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if (credit_from_wu) {
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retval = get_credit_from_wu(wu, results, credit);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[WU#%d %s] get_credit_from_wu returned %d\n",
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wu.id, wu.name, retval
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);
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return retval;
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}
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}
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if (canonicalid) {
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retval = assign_credit_set(
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wu, results, app, app_versions, max_granted_credit, credit
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);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[WU#%d %s] assign_credit_set() returned %d\n",
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wu.id, wu.name, retval
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);
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return retval;
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}
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}
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if (max_granted_credit && credit>max_granted_credit) {
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credit = max_granted_credit;
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}
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// scan results.
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// update as needed, and count the # of results
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// that are still outcome=SUCCESS
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// (some may have changed to VALIDATE_ERROR)
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//
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nsuccess_results = 0;
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for (i=0; i<results.size(); i++) {
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update_result = false;
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RESULT& result = results[i];
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if (result.outcome == RESULT_OUTCOME_VALIDATE_ERROR) {
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transition_time = IMMEDIATE;
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update_result = true;
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} else {
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nsuccess_results++;
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}
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DB_HOST host;
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HOST host_initial;
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switch (result.validate_state) {
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case VALIDATE_STATE_VALID:
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case VALIDATE_STATE_INVALID:
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retval = host.lookup_id(result.hostid);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[RESULT#%d] lookup of host %d failed %d\n",
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result.id, result.hostid, retval
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);
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continue;
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}
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host_initial = host;
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}
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switch (result.validate_state) {
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case VALIDATE_STATE_VALID:
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update_result = true;
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retval = is_valid(host, result, wu);
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if (retval) {
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log_messages.printf(MSG_DEBUG,
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"[RESULT#%d %s] is_valid() failed: %d\n",
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result.id, result.name, retval
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);
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}
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grant_credit(
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host, result.sent_time, result.cpu_time,
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result.granted_credit
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);
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log_messages.printf(MSG_NORMAL,
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"[RESULT#%d %s] Valid; granted %f credit [HOST#%d]\n",
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result.id, result.name, result.granted_credit,
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result.hostid
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);
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host.update_diff_validator(host_initial);
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break;
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case VALIDATE_STATE_INVALID:
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log_messages.printf(MSG_NORMAL,
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"[RESULT#%d %s] Invalid [HOST#%d]\n",
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result.id, result.name, result.hostid
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);
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is_invalid(host, wu, result);
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update_result = true;
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host.update_diff_validator(host_initial);
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break;
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case VALIDATE_STATE_INIT:
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log_messages.printf(MSG_NORMAL,
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"[RESULT#%d %s] Inconclusive [HOST#%d]\n",
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result.id, result.name, result.hostid
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);
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result.validate_state = VALIDATE_STATE_INCONCLUSIVE;
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update_result = true;
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break;
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}
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if (update_result) {
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retval = validator.update_result(result);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[RESULT#%d %s] result.update() failed: %d\n",
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result.id, result.name, retval
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);
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}
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}
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}
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if (canonicalid) {
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// if we found a canonical result,
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// trigger the assimilator, but do NOT trigger
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// the transitioner - doing so creates a race condition
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//
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transition_time = NEVER;
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log_messages.printf(MSG_DEBUG,
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"[WU#%d %s] Found a canonical result: id=%d\n",
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wu.id, 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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// don't need to send any more results
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//
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for (i=0; i<items.size(); i++) {
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RESULT& result = items[i].res;
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if (result.server_state != RESULT_SERVER_STATE_UNSENT) {
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continue;
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}
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result.server_state = RESULT_SERVER_STATE_OVER;
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result.outcome = RESULT_OUTCOME_DIDNT_NEED;
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retval = validator.update_result(result);
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if (retval) {
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log_messages.printf(MSG_CRITICAL,
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"[RESULT#%d %s] result.update() failed: %d\n",
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result.id, result.name, retval
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);
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}
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}
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} else {
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// here if no consensus.
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// check if #success results is too large
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//
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if (nsuccess_results > wu.max_success_results) {
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wu.error_mask |= WU_ERROR_TOO_MANY_SUCCESS_RESULTS;
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transition_time = IMMEDIATE;
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}
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// if #success results >= target_nresults,
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// we need more results, so bump target_nresults
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// NOTE: nsuccess_results should never be > target_nresults,
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// but accommodate that if it should happen
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//
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if (nsuccess_results >= wu.target_nresults) {
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wu.target_nresults = nsuccess_results+1;
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transition_time = IMMEDIATE;
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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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switch (transition_time) {
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case IMMEDIATE:
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wu.transition_time = time(0);
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break;
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case DELAYED:
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x = time(0) + 6*3600;
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if (x < wu.transition_time) wu.transition_time = x;
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break;
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case NEVER:
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wu.transition_time = INT_MAX;
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break;
|
|
case NO_CHANGE:
|
|
break;
|
|
}
|
|
|
|
wu.need_validate = 0;
|
|
|
|
retval = validator.update_workunit(wu);
|
|
if (retval) {
|
|
log_messages.printf(MSG_CRITICAL,
|
|
"[WU#%d %s] update_workunit() failed: %d; exiting\n",
|
|
wu.id, wu.name, retval
|
|
);
|
|
return retval;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// make one pass through the workunits with need_validate set.
|
|
// return true if there were any
|
|
//
|
|
bool do_validate_scan() {
|
|
DB_VALIDATOR_ITEM_SET validator;
|
|
std::vector<VALIDATOR_ITEM> items;
|
|
bool found=false;
|
|
int retval, i=0;
|
|
|
|
// loop over entries that need to be checked
|
|
//
|
|
while (1) {
|
|
retval = validator.enumerate(
|
|
app.id, SELECT_LIMIT, wu_id_modulus, wu_id_remainder, items
|
|
);
|
|
if (retval) {
|
|
if (retval != ERR_DB_NOT_FOUND) {
|
|
log_messages.printf(MSG_DEBUG,
|
|
"DB connection lost, exiting\n"
|
|
);
|
|
exit(0);
|
|
}
|
|
break;
|
|
}
|
|
retval = handle_wu(validator, items);
|
|
if (!retval) found = true;
|
|
if (++i == one_pass_N_WU) break;
|
|
}
|
|
return found;
|
|
}
|
|
|
|
int main_loop() {
|
|
int retval;
|
|
bool did_something;
|
|
char buf[256];
|
|
|
|
retval = boinc_db.open(
|
|
config.db_name, config.db_host, config.db_user, config.db_passwd
|
|
);
|
|
if (retval) {
|
|
log_messages.printf(MSG_CRITICAL, "boinc_db.open failed: %d\n", retval);
|
|
exit(1);
|
|
}
|
|
|
|
sprintf(buf, "where name='%s'", app_name);
|
|
|
|
while (1) {
|
|
check_stop_daemons();
|
|
|
|
// look up app within the loop,
|
|
// in case its min_avg_pfc has been changed by the feeder
|
|
//
|
|
retval = app.lookup(buf);
|
|
if (retval) {
|
|
log_messages.printf(MSG_CRITICAL, "can't find app %s\n", app_name);
|
|
exit(1);
|
|
}
|
|
did_something = do_validate_scan();
|
|
if (!did_something) {
|
|
write_modified_app_versions(app_versions);
|
|
if (one_pass) break;
|
|
#ifdef GCL_SIMULATOR
|
|
char nameforsim[64];
|
|
sprintf(nameforsim, "validator%i", app.id);
|
|
continue_simulation(nameforsim);
|
|
signal(SIGUSR2, simulator_signal_handler);
|
|
pause();
|
|
#else
|
|
sleep(sleep_interval);
|
|
#endif
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// For use by project-supplied routines check_set() and check_match()
|
|
//
|
|
int debug_level=0;
|
|
|
|
int main(int argc, char** argv) {
|
|
int i, retval;
|
|
|
|
const char *usage =
|
|
"\nUsage: %s -app <app-name> [OPTIONS]\n"
|
|
"Start validator for application <app-name>\n\n"
|
|
"Optional arguments:\n"
|
|
" --one_pass_N_WU N Validate at most N WUs, then exit\n"
|
|
" --one_pass Make one pass through WU table, then exit\n"
|
|
" --mod n i Process only WUs with (id mod n) == i\n"
|
|
" --max_claimed_credit X If a result claims more credit than this, mark it as invalid\n"
|
|
" --max_granted_credit X Grant no more than this amount of credit to a result\n"
|
|
" --grant_claimed_credit Grant the claimed credit, regardless of what other results for this workunit claimed\n"
|
|
" --update_credited_job Add record to credited_job table after granting credit\n"
|
|
" --credit_from_wu Credit is specified in WU XML\n"
|
|
" --sleep_interval n Set sleep-interval to n\n"
|
|
" -d n, --debug_level n Set log verbosity level, 1-4\n\n";
|
|
|
|
if ((argc > 1) && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) {
|
|
printf (usage, argv[0] );
|
|
exit(1);
|
|
}
|
|
|
|
|
|
check_stop_daemons();
|
|
|
|
for (i=1; i<argc; i++) {
|
|
if (!strcmp(argv[i], "--one_pass_N_WU")) {
|
|
one_pass_N_WU = atoi(argv[++i]);
|
|
one_pass = true;
|
|
} else if (!strcmp(argv[i], "--sleep_interval")) {
|
|
sleep_interval = atoi(argv[++i]);
|
|
} else if (!strcmp(argv[i], "--one_pass")) {
|
|
one_pass = true;
|
|
} else if (!strcmp(argv[i], "--app")) {
|
|
strcpy(app_name, argv[++i]);
|
|
} else if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug_level")) {
|
|
debug_level = atoi(argv[++i]);
|
|
log_messages.set_debug_level(debug_level);
|
|
if (debug_level == 4) g_print_queries = true;
|
|
} else if (!strcmp(argv[i], "--mod")) {
|
|
wu_id_modulus = atoi(argv[++i]);
|
|
wu_id_remainder = atoi(argv[++i]);
|
|
} else if (!strcmp(argv[i], "--max_granted_credit")) {
|
|
max_granted_credit = atof(argv[++i]);
|
|
} else if (!strcmp(argv[i], "--max_claimed_credit")) {
|
|
max_claimed_credit = atof(argv[++i]);
|
|
} else if (!strcmp(argv[i], "--grant_claimed_credit")) {
|
|
grant_claimed_credit = true;
|
|
} else if (!strcmp(argv[i], "--update_credited_job")) {
|
|
update_credited_job = true;
|
|
} else if (!strcmp(argv[i], "--credit_from_wu")) {
|
|
credit_from_wu = true;
|
|
} else {
|
|
fprintf(stderr,
|
|
"Invalid option '%s'\nTry `%s --help` for more information\n",
|
|
argv[i], argv[0]
|
|
);
|
|
log_messages.printf(MSG_CRITICAL, "unrecognized arg: %s\n", argv[i]);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (app_name[0] == 0) {
|
|
log_messages.printf(MSG_CRITICAL,
|
|
"must use '--app' to specify an application\n"
|
|
);
|
|
printf (usage, argv[0] );
|
|
exit(1);
|
|
}
|
|
|
|
retval = config.parse_file();
|
|
if (retval) {
|
|
log_messages.printf(MSG_CRITICAL,
|
|
"Can't parse config.xml: %s\n", boincerror(retval)
|
|
);
|
|
exit(1);
|
|
}
|
|
|
|
log_messages.printf(MSG_NORMAL,
|
|
"Starting validator, debug level %d\n", log_messages.debug_level
|
|
);
|
|
if (wu_id_modulus) {
|
|
log_messages.printf(MSG_NORMAL,
|
|
"Modulus %d, remainder %d\n", wu_id_modulus, wu_id_remainder
|
|
);
|
|
}
|
|
|
|
install_stop_signal_handler();
|
|
|
|
main_loop();
|
|
}
|
|
|
|
const char *BOINC_RCSID_634dbda0b9 = "$Id$";
|