mirror of https://github.com/BOINC/boinc.git
1003 lines
31 KiB
C
1003 lines
31 KiB
C
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software 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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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// scheduler code related to sending work
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#include <vector>
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#include <string>
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#include <ctime>
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#include <cstdio>
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#include <stdlib.h>
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using namespace std;
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#include <unistd.h>
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#include "error_numbers.h"
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#include "parse.h"
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#include "server_types.h"
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#include "sched_shmem.h"
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#include "sched_config.h"
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#include "sched_util.h"
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#include "main.h"
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#include "sched_msgs.h"
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#include "sched_send.h"
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#include "sched_locality.h"
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#include "sched_timezone.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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const int MIN_SECONDS_TO_SEND = 0;
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const int MAX_SECONDS_TO_SEND = (28*SECONDS_IN_DAY);
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const double MIN_POSSIBLE_RAM = 64000000;
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bool anonymous(PLATFORM& platform) {
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return (!strcmp(platform.name, "anonymous"));
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}
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bool SCHEDULER_REQUEST::has_version(APP& app) {
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unsigned int i;
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for (i=0; i<client_app_versions.size(); i++) {
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CLIENT_APP_VERSION& cav = client_app_versions[i];
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if (!strcmp(cav.app_name, app.name) && cav.version_num >= app.min_version) {
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return true;
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}
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}
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return false;
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}
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// compute the max additional disk usage we can impose on the host
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//
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double max_allowable_disk(SCHEDULER_REQUEST& req, SCHEDULER_REPLY& reply) {
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#if 1
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HOST host = req.host;
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GLOBAL_PREFS prefs = req.global_prefs;
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double x1, x2, x3, x;
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// fill in default values for missing prefs
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//
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if (prefs.disk_max_used_gb == 0) prefs.disk_max_used_gb = 0.1; // 100 MB
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if (prefs.disk_max_used_pct == 0) prefs.disk_max_used_pct = 10;
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// min_free_gb can be zero
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// default values for BOINC disk usage (project and total) is zero
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//
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// no defaults for total/free disk space (host.d_total, d_free)
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// if they're zero, project will get no work.
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//
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x1 = prefs.disk_max_used_gb*1e9 - req.total_disk_usage;
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x2 = host.d_total*prefs.disk_max_used_pct/100.;
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x3 = host.d_free - prefs.disk_min_free_gb*1e9; // may be negative
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x = min(x1, min(x2, x3));
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// keep track of which bound is the most stringent
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//
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if (x==x1) {
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reply.disk_limits.max_used = x;
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} else if (x==x2) {
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reply.disk_limits.max_frac = x;
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} else {
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reply.disk_limits.min_free = x;
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}
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if (x < 0) {
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log_messages.printf(
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SCHED_MSG_LOG::NORMAL,
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"disk_max_used_gb %f disk_max_used_pct %f disk_min_free_gb %f\n",
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prefs.disk_max_used_gb, prefs.disk_max_used_pct,
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prefs.disk_min_free_gb
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);
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log_messages.printf(
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SCHED_MSG_LOG::NORMAL,
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"req.total_disk_usage %f host.d_total %f host.d_free %f\n",
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req.total_disk_usage, host.d_total, host.d_free
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);
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log_messages.printf(
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SCHED_MSG_LOG::NORMAL,
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"x1 %f x2 %f x3 %f x %f\n",
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x1, x2, x3, x
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);
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}
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return x;
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#else
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double x1, x2, x3;
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HOST host = req.host;
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x1 = req.project_disk_free;
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x2 = req.potentially_free_offender;
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x3 = req.potentially_free_self;
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if (x1 < 0) {
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log_messages.printf(
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SCHED_MSG_LOG::NORMAL,
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"req.project_disk_free_gb %f\n",
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x1
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);
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}
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return max(max(x1,x2), x3);
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#endif
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}
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// if a host has active_frac < 0.1, assume 0.1 so we don't deprive it of work.
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//
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const double HOST_ACTIVE_FRAC_MIN = 0.1;
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// estimate the number of CPU seconds that a workunit requires
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// running on this host.
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//
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static double estimate_cpu_duration(WORKUNIT& wu, SCHEDULER_REPLY& reply) {
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double p_fpops = reply.host.p_fpops;
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if (p_fpops <= 0) p_fpops = 1e9;
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double rsc_fpops_est = wu.rsc_fpops_est;
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if (rsc_fpops_est <= 0) rsc_fpops_est = 1e12;
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return rsc_fpops_est/p_fpops;
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}
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// estimate the amount of real time to complete this WU,
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// taking into account active_frac and resource_share_fraction
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//
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static double estimate_wallclock_duration(
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WORKUNIT& wu, SCHEDULER_REQUEST& request, SCHEDULER_REPLY& reply
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) {
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double running_frac;
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if (reply.wreq.core_client_version<=419) {
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running_frac = reply.host.on_frac;
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}
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else {
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running_frac = reply.host.active_frac * reply.host.on_frac;
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}
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if (running_frac < HOST_ACTIVE_FRAC_MIN) {
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running_frac = HOST_ACTIVE_FRAC_MIN;
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}
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if (running_frac > 1) running_frac = 1;
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double ecd = estimate_cpu_duration(wu, reply);
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double ewd = ecd/(running_frac*request.resource_share_fraction);
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#ifdef EINSTEIN_AT_HOME
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log_messages.printf(
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SCHED_MSG_LOG::DEBUG, "est cpu dur %f; running_frac %f; rsf %f; est %f\n",
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ecd, running_frac, request.resource_share_fraction, ewd
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);
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#endif
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return ewd;
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}
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// if the WU can't be executed on the host, return a bitmap of reasons why.
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// Reasons include:
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// 1) the host doesn't have enough memory;
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// 2) the host doesn't have enough disk space;
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// 3) based on CPU speed, resource share and estimated delay,
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// the host probably won't get the result done within the delay bound
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//
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// NOTE: This is a "fast" check; no DB access allowed.
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// In particular it doesn't enforce the one-result-per-user-per-wu rule
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//
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int wu_is_infeasible(
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WORKUNIT& wu, SCHEDULER_REQUEST& request, SCHEDULER_REPLY& reply
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) {
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int reason = 0;
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double m_nbytes = reply.host.m_nbytes;
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if (m_nbytes < MIN_POSSIBLE_RAM) m_nbytes = MIN_POSSIBLE_RAM;
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if (wu.rsc_memory_bound > m_nbytes) {
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log_messages.printf(
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SCHED_MSG_LOG::DEBUG, "[WU#%d %s] needs %f mem; [HOST#%d] has %f\n",
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wu.id, wu.name, wu.rsc_memory_bound, reply.host.id, m_nbytes
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);
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reply.wreq.insufficient_mem = true;
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reason |= INFEASIBLE_MEM;
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}
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if (wu.rsc_disk_bound > reply.wreq.disk_available) {
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reply.wreq.insufficient_disk = true;
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reason |= INFEASIBLE_DISK;
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}
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// skip delay check if host currently doesn't have any work
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// (i.e. everyone gets one result, no matter how slow they are)
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//
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if (!config.ignore_delay_bound && request.estimated_delay>0) {
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double ewd = estimate_wallclock_duration(wu, request, reply);
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if (request.estimated_delay + ewd > wu.delay_bound) {
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log_messages.printf(
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SCHED_MSG_LOG::DEBUG,
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"[WU#%d %s] needs %d seconds on [HOST#%d]; delay_bound is %d (request.estimated_delay is %f)\n",
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wu.id, wu.name, (int)ewd, reply.host.id, wu.delay_bound, request.estimated_delay
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);
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reply.set_delay(0.2*request.estimated_delay);
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reply.wreq.insufficient_speed = true;
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reason |= INFEASIBLE_CPU;
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}
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#if 0
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if (wu.delay_bound < request.global_prefs.work_buf_min_days*SECONDS_IN_DAY) {
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log_messages.printf(
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SCHED_MSG_LOG::DEBUG,
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"[WU#%d %s] can't send to [HOST#%d]; delay_bound is %d, work buf min is %f)\n",
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wu.id, wu.name, reply.host.id, wu.delay_bound,
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request.global_prefs.work_buf_min_days*SECONDS_IN_DAY
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);
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reply.wreq.excessive_work_buf = true;
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reason |= INFEASIBLE_WORK_BUF;
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}
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#endif
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}
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return reason;
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}
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// insert "text" right after "after" in the given buffer
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//
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int insert_after(char* buffer, const char* after, const char* text) {
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char* p;
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char temp[LARGE_BLOB_SIZE];
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if (strlen(buffer) + strlen(text) > LARGE_BLOB_SIZE-1) {
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log_messages.printf(SCHED_MSG_LOG::NORMAL, "insert_after: overflow\n");
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return ERR_BUFFER_OVERFLOW;
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}
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p = strstr(buffer, after);
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if (!p) {
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log_messages.printf(SCHED_MSG_LOG::CRITICAL, "insert_after: %s not found in %s\n", after, buffer);
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return ERR_NULL;
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}
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p += strlen(after);
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strcpy(temp, p);
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strcpy(p, text);
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strcat(p, temp);
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return 0;
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}
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// add elements to WU's xml_doc,
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// in preparation for sending it to a client
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//
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int insert_wu_tags(WORKUNIT& wu, APP& app) {
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char buf[LARGE_BLOB_SIZE];
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sprintf(buf,
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" <rsc_fpops_est>%f</rsc_fpops_est>\n"
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" <rsc_fpops_bound>%f</rsc_fpops_bound>\n"
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" <rsc_memory_bound>%f</rsc_memory_bound>\n"
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" <rsc_disk_bound>%f</rsc_disk_bound>\n"
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" <name>%s</name>\n"
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" <app_name>%s</app_name>\n",
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wu.rsc_fpops_est,
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wu.rsc_fpops_bound,
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wu.rsc_memory_bound,
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wu.rsc_disk_bound,
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wu.name,
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app.name
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);
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return insert_after(wu.xml_doc, "<workunit>\n", buf);
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}
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// return the APP and APP_VERSION for the given WU, for the given platform.
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// return false if none
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//
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bool find_app_version(
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WORK_REQ& wreq, WORKUNIT& wu, PLATFORM& platform, SCHED_SHMEM& ss,
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APP*& app, APP_VERSION*& avp
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) {
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app = ss.lookup_app(wu.appid);
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if (!app) {
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log_messages.printf(
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SCHED_MSG_LOG::CRITICAL, "Can't find APP#%d\n", wu.appid
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);
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return false;
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}
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avp = ss.lookup_app_version(app->id, platform.id, app->min_version);
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if (!avp) {
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log_messages.printf(
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SCHED_MSG_LOG::DEBUG,
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"no app version available: APP#%d PLATFORM#%d min_version %d\n",
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app->id, platform.id, app->min_version
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);
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wreq.no_app_version = true;
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return false;
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}
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return true;
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}
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// verify that the given APP_VERSION will work with the core client
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//
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bool app_core_compatible(WORK_REQ& wreq, APP_VERSION& av) {
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if (wreq.core_client_version < av.min_core_version) {
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#if 0
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log_messages.printf(
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SCHED_MSG_LOG::DEBUG,
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"Outdated core version: wanted %d, got %d\n",
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av.min_core_version, wreq.core_client_version
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);
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#endif
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wreq.outdated_core = true;
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return false;
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}
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return true;
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}
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// add the given workunit to a reply.
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// look up its app, and make sure there's a version for this platform.
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// Add the app and app_version to the reply also.
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//
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int add_wu_to_reply(
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WORKUNIT& wu, SCHEDULER_REPLY& reply, PLATFORM& platform,
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APP* app, APP_VERSION* avp
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) {
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int retval;
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WORKUNIT wu2, wu3;
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// add the app, app_version, and workunit to the reply,
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// but only if they aren't already there
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//
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if (avp) {
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APP_VERSION av2=*avp, *avp2=&av2;
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if (config.choose_download_url_by_timezone) {
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process_av_timezone(reply, avp, av2);
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}
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reply.insert_app_unique(*app);
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reply.insert_app_version_unique(*avp2);
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log_messages.printf(
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SCHED_MSG_LOG::DEBUG,
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"[HOST#%d] Sending app_version %s %s %d\n",
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reply.host.id, app->name, platform.name, avp2->version_num
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);
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}
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// add time estimate to reply
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//
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wu2 = wu; // make copy since we're going to modify its XML field
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retval = insert_wu_tags(wu2, *app);
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if (retval) {
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log_messages.printf(SCHED_MSG_LOG::NORMAL, "insert_wu_tags failed\n");
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return retval;
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}
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wu3=wu2;
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if (config.choose_download_url_by_timezone) {
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process_wu_timezone(reply, wu2, wu3);
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}
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reply.insert_workunit_unique(wu3);
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// switch to tighter policy for estimating delay
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//
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return 0;
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}
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int insert_name_tags(RESULT& result, WORKUNIT const& wu) {
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char buf[256];
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int retval;
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sprintf(buf, "<name>%s</name>\n", result.name);
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retval = insert_after(result.xml_doc_in, "<result>\n", buf);
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if (retval) return retval;
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sprintf(buf, "<wu_name>%s</wu_name>\n", wu.name);
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retval = insert_after(result.xml_doc_in, "<result>\n", buf);
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if (retval) return retval;
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return 0;
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}
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int insert_deadline_tag(RESULT& result) {
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char buf[256];
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sprintf(buf, "<report_deadline>%d</report_deadline>\n", result.report_deadline);
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int retval = insert_after(result.xml_doc_in, "<result>\n", buf);
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if (retval) return retval;
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return 0;
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}
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static int update_wu_transition_time(WORKUNIT wu, time_t x) {
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DB_WORKUNIT dbwu;
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char buf[256];
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dbwu.id = wu.id;
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sprintf(buf, "transition_time=%d", (int)x);
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return dbwu.update_field(buf);
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}
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// return true iff a result for same WU is already being sent
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//
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static bool wu_already_in_reply(WORKUNIT& wu, SCHEDULER_REPLY& reply) {
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unsigned int i;
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for (i=0; i<reply.results.size(); i++) {
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if (wu.id == reply.results[i].workunitid) {
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return true;
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}
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}
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return false;
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}
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// modified by Pietro Cicotti
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// Check that the two platform has the same architecture and operating system
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// Architectures: AMD, Intel, Macintosh
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// OS: Linux, Windows, Darwin, SunOS
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const int unspec = 0;
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const int nocpu = 1;
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const int Intel = 2;
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const int AMD = 3;
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const int Macintosh = 4;
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const int noos = 128;
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const int Linux = 256;
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const int Windows = 384;
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const int Darwin = 512;
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const int SunOS = 640;
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inline
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int OS(SCHEDULER_REQUEST& sreq){
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if ( strstr(sreq.host.os_name, "Linux") != NULL ) return Linux;
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else if( strstr(sreq.host.os_name, "Windows") != NULL ) return Windows;
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else if( strstr(sreq.host.os_name, "Darwin") != NULL ) return Darwin;
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else if( strstr(sreq.host.os_name, "SunOS") != NULL ) return SunOS;
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else return noos;
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};
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inline
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int CPU(SCHEDULER_REQUEST& sreq){
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if ( strstr(sreq.host.p_vendor, "Intel") != NULL ) return Intel;
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else if( strstr(sreq.host.p_vendor, "AMD") != NULL ) return AMD;
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else if( strstr(sreq.host.p_vendor, "Macintosh") != NULL ) return Macintosh;
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else return nocpu;
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};
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#if 0
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// old version, just in case
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bool same_platform(DB_HOST& host, SCHEDULER_REQUEST& sreq) {
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return !strcmp(host.os_name, sreq.host.os_name)
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&& !strcmp(host.p_vendor, sreq.host.p_vendor);
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}
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#endif
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// return true if we've already sent a result of this WU to a different platform
|
|
// (where "platform" is os_name + p_vendor;
|
|
// may want to sharpen this for Unix)
|
|
//
|
|
static bool already_sent_to_different_platform(
|
|
SCHEDULER_REQUEST& sreq, WORKUNIT& workunit, WORK_REQ& wreq
|
|
) {
|
|
DB_WORKUNIT db_wu;
|
|
int retval, hr_class=0;
|
|
char buf[256];
|
|
|
|
// reread hr_class field from DB in case it's changed
|
|
//
|
|
db_wu.id = workunit.id;
|
|
retval = db_wu.get_field_int("hr_class", hr_class);
|
|
if (retval) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::CRITICAL, "can't get hr_class for %d: %d\n",
|
|
db_wu.id, retval
|
|
);
|
|
return true;
|
|
}
|
|
wreq.homogeneous_redundancy_reject = false;
|
|
if (hr_class != unspec) {
|
|
if (OS(sreq) + CPU(sreq) != hr_class) {
|
|
wreq.homogeneous_redundancy_reject = true;
|
|
}
|
|
} else {
|
|
hr_class = OS(sreq) + CPU(sreq);
|
|
sprintf(buf, "hr_class=%d", hr_class);
|
|
db_wu.update_field(buf);
|
|
}
|
|
return wreq.homogeneous_redundancy_reject;
|
|
}
|
|
|
|
void lock_sema() {
|
|
lock_semaphore(sema_key);
|
|
}
|
|
|
|
void unlock_sema() {
|
|
unlock_semaphore(sema_key);
|
|
}
|
|
|
|
// return true if additional work is needed,
|
|
// and there's disk space left,
|
|
// and we haven't exceeded result per RPC limit,
|
|
// and we haven't exceeded results per day limit
|
|
//
|
|
bool SCHEDULER_REPLY::work_needed(bool locality_sched) {
|
|
if (locality_sched) {
|
|
// if we've failed to send a result because of a transient condition,
|
|
// return false to preserve invariant
|
|
//
|
|
if (wreq.insufficient_disk || wreq.insufficient_speed || wreq.insufficient_mem) {
|
|
return false;
|
|
}
|
|
}
|
|
if (wreq.seconds_to_fill <= 0) return false;
|
|
if (wreq.disk_available <= 0) {
|
|
wreq.insufficient_disk = true;
|
|
return false;
|
|
}
|
|
if (wreq.nresults >= config.max_wus_to_send) return false;
|
|
|
|
// config.daily_result_quota is PER CPU (up to max of four CPUs)
|
|
// host.max_results_day is between 1 and config.daily_result_quota inclusive
|
|
// wreq.daily_result_quota is between ncpus and ncpus*host.max_results_day inclusive
|
|
if (config.daily_result_quota) {
|
|
if (host.max_results_day <= 0 || host.max_results_day>config.daily_result_quota) {
|
|
host.max_results_day = config.daily_result_quota;
|
|
}
|
|
// scale daily quota by #CPUs, up to a limit of 4
|
|
//
|
|
int ncpus = host.p_ncpus;
|
|
if (ncpus > 4) ncpus = 4;
|
|
if (ncpus < 1) ncpus = 1;
|
|
wreq.daily_result_quota = ncpus*host.max_results_day;
|
|
if (host.nresults_today >= wreq.daily_result_quota) {
|
|
wreq.daily_result_quota_exceeded = true;
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void SCHEDULER_REPLY::got_good_result() {
|
|
host.max_results_day *= 2;
|
|
if (host.max_results_day > config.daily_result_quota) {
|
|
host.max_results_day = config.daily_result_quota;
|
|
}
|
|
}
|
|
|
|
void SCHEDULER_REPLY::got_bad_result() {
|
|
host.max_results_day -= 1;
|
|
if (host.max_results_day < 1) {
|
|
host.max_results_day = 1;
|
|
}
|
|
}
|
|
|
|
int add_result_to_reply(
|
|
DB_RESULT& result, WORKUNIT& wu, SCHEDULER_REQUEST& request,
|
|
SCHEDULER_REPLY& reply, PLATFORM& platform,
|
|
APP* app, APP_VERSION* avp
|
|
) {
|
|
int retval;
|
|
double wu_seconds_filled;
|
|
|
|
retval = add_wu_to_reply(wu, reply, platform, app, avp);
|
|
if (retval) return retval;
|
|
|
|
// in the scheduling locality case, reduce the available space by
|
|
// LESS than the workunit rsc_disk_bound, IF the host already has
|
|
// the file OR the file was not already sent.
|
|
//
|
|
if (!config.locality_scheduling ||
|
|
decrement_disk_space_locality(wu, request, reply)
|
|
) {
|
|
reply.wreq.disk_available -= wu.rsc_disk_bound;
|
|
}
|
|
|
|
// update the result in DB
|
|
//
|
|
result.server_state = RESULT_SERVER_STATE_IN_PROGRESS;
|
|
result.hostid = reply.host.id;
|
|
result.userid = reply.user.id;
|
|
result.sent_time = time(0);
|
|
result.report_deadline = result.sent_time + wu.delay_bound;
|
|
retval = result.update_subset();
|
|
if (retval) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::CRITICAL,
|
|
"add_result_to_reply: can't update result: %d\n", retval
|
|
);
|
|
return retval;
|
|
}
|
|
|
|
wu_seconds_filled = estimate_wallclock_duration(wu, request, reply);
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::NORMAL,
|
|
"[HOST#%d] Sending [RESULT#%d %s] (fills %.2f seconds)\n",
|
|
reply.host.id, result.id, result.name, wu_seconds_filled
|
|
);
|
|
|
|
retval = update_wu_transition_time(wu, result.report_deadline);
|
|
if (retval) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::CRITICAL,
|
|
"add_result_to_reply: can't update WU transition time: %d\n", retval
|
|
);
|
|
return retval;
|
|
}
|
|
|
|
// The following overwrites the result's xml_doc field.
|
|
// But that's OK cuz we're done with DB updates
|
|
//
|
|
retval = insert_name_tags(result, wu);
|
|
if (retval) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::CRITICAL, "send_work: can't insert name tags: %d\n",
|
|
retval
|
|
);
|
|
return retval;
|
|
}
|
|
retval = insert_deadline_tag(result);
|
|
if (retval) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::CRITICAL,
|
|
"send_work: can't insert deadline tag: %d\n", retval
|
|
);
|
|
return retval;
|
|
}
|
|
reply.insert_result(result);
|
|
reply.wreq.seconds_to_fill -= wu_seconds_filled;
|
|
request.estimated_delay += wu_seconds_filled/reply.host.p_ncpus;
|
|
reply.wreq.nresults++;
|
|
reply.host.nresults_today++;
|
|
return 0;
|
|
}
|
|
|
|
// Make a pass through the wu/results array, sending work.
|
|
// If "infeasible_only" is true, send only results that were
|
|
// previously infeasible for some host
|
|
//
|
|
static void scan_work_array(
|
|
SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply, PLATFORM& platform,
|
|
SCHED_SHMEM& ss
|
|
) {
|
|
int i, j, retval, n, rnd_off;
|
|
WORKUNIT wu;
|
|
DB_RESULT result;
|
|
char buf[256];
|
|
APP* app;
|
|
APP_VERSION* avp;
|
|
bool found;
|
|
|
|
lock_sema();
|
|
|
|
rnd_off = rand() % ss.nwu_results;
|
|
for (j=0; j<ss.nwu_results; j++) {
|
|
i = (j+rnd_off) % ss.nwu_results;
|
|
if (!reply.work_needed()) break;
|
|
|
|
WU_RESULT& wu_result = ss.wu_results[i];
|
|
|
|
// do fast checks on this wu_result;
|
|
// i.e. ones that don't require DB access
|
|
// if any check fails, continue
|
|
|
|
if (wu_result.state != WR_STATE_PRESENT && wu_result.state != g_pid) {
|
|
continue;
|
|
}
|
|
|
|
if (reply.wreq.infeasible_only && (wu_result.infeasible_count==0)) {
|
|
continue;
|
|
}
|
|
|
|
// don't send if we're already sending a result for same WU
|
|
//
|
|
if (config.one_result_per_user_per_wu) {
|
|
if (wu_already_in_reply(wu_result.workunit, reply)) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// don't send if host can't handle it
|
|
//
|
|
wu = wu_result.workunit;
|
|
if (wu_is_infeasible(wu, sreq, reply)) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::DEBUG, "[HOST#%d] [WU#%d %s] WU is infeasible\n",
|
|
reply.host.id, wu.id, wu.name
|
|
);
|
|
wu_result.infeasible_count++;
|
|
continue;
|
|
}
|
|
|
|
// Find the app and app_version for the client's platform.
|
|
// If none, treat the WU as infeasible
|
|
//
|
|
if (anonymous(platform)) {
|
|
app = ss.lookup_app(wu.appid);
|
|
found = sreq.has_version(*app);
|
|
if (!found) {
|
|
continue;
|
|
}
|
|
avp = NULL;
|
|
} else {
|
|
found = find_app_version(reply.wreq, wu, platform, ss, app, avp);
|
|
if (!found) {
|
|
wu_result.infeasible_count++;
|
|
continue;
|
|
}
|
|
|
|
// see if the core client is too old.
|
|
// don't bump the infeasible count because this
|
|
// isn't the result's fault
|
|
//
|
|
if (!app_core_compatible(reply.wreq, *avp)) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// end of fast checks - mark wu_result as checked out and release sema.
|
|
// from here on in this loop, don't continue on failure;
|
|
// instead, goto dont_send (so that we reacquire semaphore)
|
|
|
|
wu_result.state = WR_STATE_CHECKED_OUT;
|
|
unlock_sema();
|
|
|
|
// Don't send if we've already sent a result of this WU to this user.
|
|
//
|
|
if (config.one_result_per_user_per_wu) {
|
|
sprintf(buf,
|
|
"where workunitid=%d and userid=%d",
|
|
wu_result.workunit.id, reply.user.id
|
|
);
|
|
retval = result.count(n, buf);
|
|
if (retval) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::CRITICAL,
|
|
"send_work: can't get result count (%d)\n", retval
|
|
);
|
|
goto dont_send;
|
|
} else {
|
|
if (n>0) {
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::DEBUG,
|
|
"send_work: user %d already has %d result(s) for WU %d\n",
|
|
reply.user.id, n, wu_result.workunit.id
|
|
);
|
|
goto dont_send;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if desired, make sure redundancy is homogeneous
|
|
//
|
|
if (config.homogeneous_redundancy || app->homogeneous_redundancy) {
|
|
if (already_sent_to_different_platform(
|
|
sreq, wu_result.workunit, reply.wreq
|
|
)) {
|
|
goto dont_send;
|
|
}
|
|
}
|
|
|
|
result.id = wu_result.resultid;
|
|
|
|
// mark slot as empty AFTER we've copied out of it
|
|
// (since otherwise feeder might overwrite it)
|
|
//
|
|
wu_result.state = WR_STATE_EMPTY;
|
|
|
|
// reread result from DB, make sure it's still unsent
|
|
// TODO: from here to update() should be a transaction
|
|
//
|
|
retval = result.lookup_id(result.id);
|
|
if (retval) {
|
|
log_messages.printf(SCHED_MSG_LOG::CRITICAL,
|
|
"[RESULT#%d] result.lookup_id() failed %d\n",
|
|
result.id, retval
|
|
);
|
|
goto done;
|
|
}
|
|
if (result.server_state != RESULT_SERVER_STATE_UNSENT) {
|
|
log_messages.printf(SCHED_MSG_LOG::DEBUG,
|
|
"[RESULT#%d] expected to be unsent; instead, state is %d\n",
|
|
result.id, result.server_state
|
|
);
|
|
goto done;
|
|
}
|
|
if (result.workunitid != wu.id) {
|
|
log_messages.printf(SCHED_MSG_LOG::CRITICAL,
|
|
"[RESULT#%d] wrong WU ID: wanted %d, got %d\n",
|
|
result.id, wu.id, result.workunitid
|
|
);
|
|
goto done;
|
|
}
|
|
|
|
// ****** HERE WE'VE COMMITTED TO SENDING THIS RESULT TO HOST ******
|
|
//
|
|
|
|
retval = add_result_to_reply(
|
|
result, wu, sreq, reply, platform, app, avp
|
|
);
|
|
if (!retval) goto done;
|
|
|
|
dont_send:
|
|
// here we couldn't send the result for some reason --
|
|
// set its state back to PRESENT
|
|
//
|
|
wu_result.state = WR_STATE_PRESENT;
|
|
done:
|
|
lock_sema();
|
|
}
|
|
unlock_sema();
|
|
}
|
|
|
|
int send_work(
|
|
SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply, PLATFORM& platform,
|
|
SCHED_SHMEM& ss
|
|
) {
|
|
#if 1
|
|
reply.wreq.disk_available = max_allowable_disk(sreq, reply);
|
|
#else
|
|
reply.wreq.disk_available = sreq.project_disk_free;
|
|
#endif
|
|
reply.wreq.insufficient_disk = false;
|
|
reply.wreq.insufficient_mem = false;
|
|
reply.wreq.insufficient_speed = false;
|
|
reply.wreq.excessive_work_buf = false;
|
|
reply.wreq.no_app_version = false;
|
|
reply.wreq.homogeneous_redundancy_reject = false;
|
|
reply.wreq.daily_result_quota_exceeded = false;
|
|
reply.wreq.core_client_version = sreq.core_client_major_version*100
|
|
+ sreq.core_client_minor_version;
|
|
reply.wreq.nresults = 0;
|
|
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::NORMAL,
|
|
"[HOST#%d] got request for %f seconds of work; available disk %f GB\n",
|
|
reply.host.id, sreq.work_req_seconds, reply.wreq.disk_available/1e9
|
|
);
|
|
|
|
if (sreq.work_req_seconds <= 0) return 0;
|
|
|
|
reply.wreq.seconds_to_fill = sreq.work_req_seconds;
|
|
if (reply.wreq.seconds_to_fill > MAX_SECONDS_TO_SEND) {
|
|
reply.wreq.seconds_to_fill = MAX_SECONDS_TO_SEND;
|
|
}
|
|
if (reply.wreq.seconds_to_fill < MIN_SECONDS_TO_SEND) {
|
|
reply.wreq.seconds_to_fill = MIN_SECONDS_TO_SEND;
|
|
}
|
|
|
|
if (config.locality_scheduling) {
|
|
reply.wreq.infeasible_only = false;
|
|
send_work_locality(sreq, reply, platform, ss);
|
|
} else {
|
|
// give priority to results that were infeasible for some other host
|
|
//
|
|
reply.wreq.infeasible_only = true;
|
|
scan_work_array(sreq, reply, platform, ss);
|
|
|
|
reply.wreq.infeasible_only = false;
|
|
scan_work_array(sreq, reply, platform, ss);
|
|
}
|
|
|
|
#if 0
|
|
// huh???
|
|
if (wreq.nresults == 0) {
|
|
wreq.disk_available = sreq.potentially_free_offender;
|
|
scan_work_array(wreq, sreq, reply, platform, ss);
|
|
}
|
|
if (wreq.nresults == 0 && config.delete_from_self) {
|
|
wreq.disk_available = sreq.potentially_free_self;
|
|
scan_work_array(wreq, sreq, reply, platform, ss);
|
|
}
|
|
#endif
|
|
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::NORMAL, "[HOST#%d] Sent %d results [scheduler ran %d seconds]\n",
|
|
reply.host.id, reply.wreq.nresults, elapsed_time()
|
|
);
|
|
|
|
if (reply.wreq.nresults == 0) {
|
|
reply.set_delay(3600);
|
|
USER_MESSAGE um2("No work sent", "high");
|
|
reply.insert_message(um2);
|
|
if (reply.wreq.no_app_version) {
|
|
USER_MESSAGE um("(there was work for other platforms)", "high");
|
|
reply.insert_message(um);
|
|
reply.set_delay(3600*24);
|
|
}
|
|
if (reply.wreq.insufficient_disk) {
|
|
USER_MESSAGE um(
|
|
"(there was work but you don't have enough disk space allocated)",
|
|
"high"
|
|
);
|
|
reply.insert_message(um);
|
|
}
|
|
if (reply.wreq.insufficient_mem) {
|
|
USER_MESSAGE um(
|
|
"(there was work but your computer doesn't have enough memory)",
|
|
"high"
|
|
);
|
|
reply.set_delay(24*3600);
|
|
reply.insert_message(um);
|
|
}
|
|
if (reply.wreq.insufficient_speed) {
|
|
char helpful[512];
|
|
if (reply.wreq.core_client_version>419) {
|
|
sprintf(helpful,
|
|
"(won't finish in time) "
|
|
"Computer on %.1f%% of time, BOINC on %.1f%% of that, this project gets %.1f%% of that",
|
|
100.0*reply.host.on_frac, 100.0*reply.host.active_frac, 100.0*sreq.resource_share_fraction
|
|
);
|
|
}
|
|
else {
|
|
sprintf(helpful,
|
|
"(won't finish in time) "
|
|
"Computer available %.1f%% of time, this project gets %.1f%% of that",
|
|
100.0*reply.host.on_frac, 100.0*sreq.resource_share_fraction
|
|
);
|
|
}
|
|
USER_MESSAGE um(helpful, "high");
|
|
reply.insert_message(um);
|
|
}
|
|
if (reply.wreq.homogeneous_redundancy_reject) {
|
|
USER_MESSAGE um(
|
|
"(there was work but it was committed to other platforms)",
|
|
"high"
|
|
);
|
|
reply.insert_message(um);
|
|
}
|
|
if (reply.wreq.outdated_core) {
|
|
USER_MESSAGE um(
|
|
" (your core client is out of date - please upgrade)",
|
|
"high"
|
|
);
|
|
reply.insert_message(um);
|
|
reply.set_delay(3600*24);
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::NORMAL,
|
|
"Not sending work because core client is outdated\n"
|
|
);
|
|
}
|
|
if (reply.wreq.excessive_work_buf) {
|
|
USER_MESSAGE um(
|
|
"(Your network connection interval is longer than WU deadline)",
|
|
"high"
|
|
);
|
|
reply.insert_message(um);
|
|
}
|
|
if (reply.wreq.daily_result_quota_exceeded) {
|
|
char helpful[256];
|
|
struct tm *rpc_time_tm;
|
|
int delay_time;
|
|
|
|
sprintf(helpful, "(reached daily quota of %d results)", reply.wreq.daily_result_quota);
|
|
USER_MESSAGE um(helpful, "high");
|
|
reply.insert_message(um);
|
|
log_messages.printf(
|
|
SCHED_MSG_LOG::NORMAL,
|
|
"Daily result quota exceeded for host %d\n",
|
|
reply.host.id
|
|
);
|
|
|
|
// set delay so host won't return until a random time in
|
|
// the first hour of 'the next day'. This is to prevent a
|
|
// lot of hosts from flooding the scheduler with requests
|
|
// at the same time of day.
|
|
rpc_time_tm = localtime((const time_t*)&reply.host.rpc_time);
|
|
delay_time = (23 - rpc_time_tm->tm_hour) * 3600 +
|
|
(59 - rpc_time_tm->tm_min) * 60 +
|
|
(60 - rpc_time_tm->tm_sec) +
|
|
(int)(3600*(double)rand()/(double)RAND_MAX);
|
|
reply.set_delay(delay_time);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
const char *BOINC_RCSID_32dcd335e7 = "$Id$";
|