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boinc/client/cs_scheduler.cpp

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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// High-level logic for communicating with scheduling servers,
// and for merging the result of a scheduler RPC into the client state
// The scheduler RPC mechanism is in scheduler_op.C
#include "cpp.h"
#ifdef _WIN32
#include "boinc_win.h"
#else
#include "config.h"
#include <cstdio>
#include <cmath>
#include <ctime>
#include <cstring>
#include <map>
#include <set>
#endif
#include "crypt.h"
#include "error_numbers.h"
#include "file_names.h"
#include "filesys.h"
#include "parse.h"
#include "str_util.h"
#include "str_replace.h"
#include "url.h"
#include "util.h"
#include "client_msgs.h"
#include "cs_notice.h"
#include "cs_trickle.h"
#include "scheduler_op.h"
#include "sandbox.h"
#include "client_state.h"
using std::max;
using std::vector;
using std::string;
// quantities like avg CPU time decay by a factor of e every week
//
#define EXP_DECAY_RATE (1./(SECONDS_PER_DAY*7))
// try to report results this much before their deadline
//
#define REPORT_DEADLINE_CUSHION ((double)SECONDS_PER_DAY)
#ifndef SIM
// Write a scheduler request to a disk file,
// to be sent to a scheduling server
//
int CLIENT_STATE::make_scheduler_request(PROJECT* p) {
char buf[1024];
MIOFILE mf;
unsigned int i;
RESULT* rp;
double disk_total, disk_project;
get_sched_request_filename(*p, buf, sizeof(buf));
FILE* f = boinc_fopen(buf, "wb");
if (!f) return ERR_FOPEN;
double trs = total_resource_share();
double rrs = runnable_resource_share(RSC_TYPE_ANY);
double prrs = potentially_runnable_resource_share();
double resource_share_fraction, rrs_fraction, prrs_fraction;
if (trs) {
resource_share_fraction = p->resource_share / trs;
} else {
resource_share_fraction = 1;
}
if (rrs) {
rrs_fraction = p->resource_share / rrs;
} else {
rrs_fraction = 1;
}
if (prrs) {
prrs_fraction = p->resource_share / prrs;
} else {
prrs_fraction = 1;
}
// if hostid is zero, rpc_seqno better be also
//
if (!p->hostid) {
p->rpc_seqno = 0;
}
mf.init_file(f);
fprintf(f,
"<scheduler_request>\n"
" <authenticator>%s</authenticator>\n"
" <hostid>%d</hostid>\n"
" <rpc_seqno>%d</rpc_seqno>\n"
" <core_client_major_version>%d</core_client_major_version>\n"
" <core_client_minor_version>%d</core_client_minor_version>\n"
" <core_client_release>%d</core_client_release>\n"
" <resource_share_fraction>%f</resource_share_fraction>\n"
" <rrs_fraction>%f</rrs_fraction>\n"
" <prrs_fraction>%f</prrs_fraction>\n"
" <duration_correction_factor>%f</duration_correction_factor>\n"
" <allow_multiple_clients>%d</allow_multiple_clients>\n"
" <sandbox>%d</sandbox>\n",
p->authenticator,
p->hostid,
p->rpc_seqno,
core_client_version.major,
core_client_version.minor,
core_client_version.release,
resource_share_fraction,
rrs_fraction,
prrs_fraction,
p->duration_correction_factor,
config.allow_multiple_clients?1:0,
g_use_sandbox?1:0
);
work_fetch.write_request(f, p);
// write client capabilities
//
fprintf(f,
" <client_cap_plan_class>1</client_cap_plan_class>\n"
);
write_platforms(p, mf);
if (strlen(p->code_sign_key)) {
fprintf(f, " <code_sign_key>\n%s\n</code_sign_key>\n", p->code_sign_key);
}
// send working prefs
//
fprintf(f, "<working_global_preferences>\n");
global_prefs.write(mf);
fprintf(f, "</working_global_preferences>\n");
// send master global preferences if present and not host-specific
//
if (!global_prefs.host_specific && boinc_file_exists(GLOBAL_PREFS_FILE_NAME)) {
FILE* fprefs = fopen(GLOBAL_PREFS_FILE_NAME, "r");
if (fprefs) {
copy_stream(fprefs, f);
fclose(fprefs);
}
PROJECT* pp = lookup_project(global_prefs.source_project);
if (pp && strlen(pp->email_hash)) {
fprintf(f,
"<global_prefs_source_email_hash>%s</global_prefs_source_email_hash>\n",
pp->email_hash
);
}
}
// Of the projects with same email hash as this one,
// send the oldest cross-project ID.
// Use project URL as tie-breaker.
//
PROJECT* winner = p;
for (i=0; i<projects.size(); i++ ) {
PROJECT* project = projects[i];
if (project == p) continue;
if (strcmp(project->email_hash, p->email_hash)) continue;
if (project->cpid_time < winner->cpid_time) {
winner = project;
} else if (project->cpid_time == winner->cpid_time) {
if (strcmp(project->master_url, winner->master_url) < 0) {
winner = project;
}
}
}
fprintf(f,
"<cross_project_id>%s</cross_project_id>\n",
winner->cross_project_id
);
time_stats.write(mf, true);
net_stats.write(mf);
if (global_prefs.daily_xfer_period_days) {
daily_xfer_history.write_scheduler_request(
mf, global_prefs.daily_xfer_period_days
);
}
// update hardware info, and write host info
//
host_info.get_host_info();
set_ncpus();
host_info.write(mf, !config.suppress_net_info, false);
// get and write disk usage
//
total_disk_usage(disk_total);
project_disk_usage(p, disk_project);
fprintf(f,
" <disk_usage>\n"
" <d_boinc_used_total>%f</d_boinc_used_total>\n"
" <d_boinc_used_project>%f</d_boinc_used_project>\n"
" </disk_usage>\n",
disk_total, disk_project
);
// copy request values from RSC_WORK_FETCH to COPROC
//
int j = rsc_index(GPU_TYPE_NVIDIA);
if (j > 0) {
coprocs.nvidia.req_secs = rsc_work_fetch[j].req_secs;
coprocs.nvidia.req_instances = rsc_work_fetch[j].req_instances;
coprocs.nvidia.estimated_delay = rsc_work_fetch[j].req_secs?rsc_work_fetch[j].busy_time_estimator.get_busy_time():0;
}
j = rsc_index(GPU_TYPE_ATI);
if (j > 0) {
coprocs.ati.req_secs = rsc_work_fetch[j].req_secs;
coprocs.ati.req_instances = rsc_work_fetch[j].req_instances;
coprocs.ati.estimated_delay = rsc_work_fetch[j].req_secs?rsc_work_fetch[j].busy_time_estimator.get_busy_time():0;
}
if (coprocs.n_rsc > 1) {
coprocs.write_xml(mf, true);
}
// report completed jobs
//
unsigned int last_reported_index = 0;
p->nresults_returned = 0;
for (i=0; i<results.size(); i++) {
rp = results[i];
if (rp->project == p && rp->ready_to_report) {
p->nresults_returned++;
rp->write(mf, true);
}
if (config.max_tasks_reported
&& (p->nresults_returned >= config.max_tasks_reported)
) {
last_reported_index = i;
break;
}
}
read_trickle_files(p, f);
// report sticky files as needed
//
for (i=0; i<file_infos.size(); i++) {
FILE_INFO* fip = file_infos[i];
if (fip->project != p) continue;
if (!fip->sticky) continue;
fprintf(f,
" <file_info>\n"
" <name>%s</name>\n"
" <nbytes>%f</nbytes>\n"
" <status>%d</status>\n"
" </file_info>\n",
fip->name, fip->nbytes, fip->status
);
}
if (p->send_time_stats_log) {
fprintf(f, "<time_stats_log>\n");
time_stats.get_log_after(p->send_time_stats_log, mf);
fprintf(f, "</time_stats_log>\n");
}
if (p->send_job_log) {
fprintf(f, "<job_log>\n");
job_log_filename(*p, buf, sizeof(buf));
send_log_after(buf, p->send_job_log, mf);
fprintf(f, "</job_log>\n");
}
// send descriptions of app versions
//
fprintf(f, "<app_versions>\n");
j=0;
for (i=0; i<app_versions.size(); i++) {
APP_VERSION* avp = app_versions[i];
if (avp->project != p) continue;
avp->write(mf, false);
avp->index = j++;
}
fprintf(f, "</app_versions>\n");
// send descriptions of jobs in progress for this project
//
fprintf(f, "<other_results>\n");
for (i=0; i<results.size(); i++) {
rp = results[i];
if (rp->project != p) continue;
if ((last_reported_index && (i > last_reported_index)) || !rp->ready_to_report) {
fprintf(f,
" <other_result>\n"
" <name>%s</name>\n"
" <app_version>%d</app_version>\n",
rp->name,
rp->avp->index
);
// the following is for backwards compatibility w/ old schedulers
//
if (strlen(rp->avp->plan_class)) {
fprintf(f,
" <plan_class>%s</plan_class>\n",
rp->avp->plan_class
);
}
fprintf(f,
" </other_result>\n"
);
}
}
fprintf(f, "</other_results>\n");
// if requested by project, send summary of all in-progress results
// (for EDF simulation by scheduler)
//
if (p->send_full_workload) {
fprintf(f, "<in_progress_results>\n");
for (i=0; i<results.size(); i++) {
rp = results[i];
double x = rp->estimated_time_remaining();
if (x == 0) continue;
strcpy(buf, "");
int rt = rp->avp->gpu_usage.rsc_type;
if (rt) {
if (rt == rsc_index(GPU_TYPE_NVIDIA)) {
sprintf(buf, " <ncudas>%f</ncudas>\n", rp->avp->gpu_usage.usage);
} else if (rt == rsc_index(GPU_TYPE_ATI)) {
sprintf(buf, " <natis>%f</natis>\n", rp->avp->gpu_usage.usage);
}
}
fprintf(f,
" <ip_result>\n"
" <name>%s</name>\n"
" <report_deadline>%.0f</report_deadline>\n"
" <time_remaining>%.2f</time_remaining>\n"
" <avg_ncpus>%f</avg_ncpus>\n"
"%s"
" </ip_result>\n",
rp->name,
rp->report_deadline,
x,
rp->avp->avg_ncpus,
buf
);
}
fprintf(f, "</in_progress_results>\n");
}
FILE* cof = boinc_fopen(CLIENT_OPAQUE_FILENAME, "r");
if (cof) {
fprintf(f, "<client_opaque>\n<![CDATA[\n");
copy_stream(cof, f);
fprintf(f, "\n]]>\n</client_opaque>\n");
}
fprintf(f, "</scheduler_request>\n");
fclose(f);
return 0;
}
// the project is uploading, and it started recently
//
static inline bool actively_uploading(PROJECT* p) {
return p->last_upload_start
&& (gstate.now - p->last_upload_start < WF_DEFER_INTERVAL);
}
// called from the client's polling loop.
// initiate scheduler RPC activity if needed and possible
//
bool CLIENT_STATE::scheduler_rpc_poll() {
PROJECT *p;
static double last_time=0;
static double last_work_fetch_time = 0;
double elapsed_time;
if (scheduler_op->state != SCHEDULER_OP_STATE_IDLE) {
last_time = now;
scheduler_op->poll();
return (scheduler_op->state == SCHEDULER_OP_STATE_IDLE);
}
if (network_suspended) return false;
// check only every 5 sec
//
if (now - last_time < SCHEDULER_RPC_POLL_PERIOD) return false;
last_time = now;
if (scheduler_op->check_master_fetch_start()) {
return true;
}
// If we haven't run benchmarks yet, don't do a scheduler RPC.
// We need to know CPU speed to handle app versions
//
if (!host_info.p_calculated) return false;
// check for various reasons to contact particular projects.
// If we need to contact a project,
// see if we should ask it for work as well.
//
p = next_project_sched_rpc_pending();
if (p) {
// if the user requested the RPC,
// clear backoffs to allow work requests
//
if (p->sched_rpc_pending == RPC_REASON_USER_REQ) {
for (int i=0; i<coprocs.n_rsc; i++) {
p->rsc_pwf[i].clear_backoff();
}
}
work_fetch.compute_work_request(p);
scheduler_op->init_op_project(p, p->sched_rpc_pending);
return true;
}
p = next_project_trickle_up_pending();
if (p) {
work_fetch.compute_work_request(p);
scheduler_op->init_op_project(p, RPC_REASON_TRICKLE_UP);
return true;
}
// report overdue results
//
p = find_project_with_overdue_results();
if (p && !actively_uploading(p)) {
work_fetch.compute_work_request(p);
scheduler_op->init_op_project(p, RPC_REASON_RESULTS_DUE);
return true;
}
// should we check work fetch? Do this at most once/minute
if (tasks_suspended) return false;
if (config.fetch_minimal_work && had_or_requested_work) return false;
if (must_check_work_fetch) {
last_work_fetch_time = 0;
}
elapsed_time = now - last_work_fetch_time;
if (elapsed_time < WORK_FETCH_PERIOD) return false;
must_check_work_fetch = false;
last_work_fetch_time = now;
p = work_fetch.choose_project();
if (p) {
if (actively_uploading(p)) {
if (log_flags.work_fetch_debug) {
msg_printf(p, MSG_INFO, "[work_fetch] deferring work fetch; upload active");
}
return false;
}
scheduler_op->init_op_project(p, RPC_REASON_NEED_WORK);
return true;
}
return false;
}
static inline bool requested_work() {
for (int i=0; i<coprocs.n_rsc; i++) {
if (rsc_work_fetch[i].req_secs) return true;
}
return false;
}
// Handle the reply from a scheduler
//
int CLIENT_STATE::handle_scheduler_reply(PROJECT* project, char* scheduler_url) {
SCHEDULER_REPLY sr;
FILE* f;
int retval;
unsigned int i;
bool signature_valid, update_global_prefs=false, update_project_prefs=false;
char buf[1024], filename[256];
std::string old_gui_urls = project->gui_urls;
PROJECT* p2;
vector<RESULT*>new_results;
project->last_rpc_time = now;
if (requested_work()) {
had_or_requested_work = true;
}
get_sched_reply_filename(*project, filename, sizeof(filename));
f = fopen(filename, "r");
if (!f) return ERR_FOPEN;
retval = sr.parse(f, project);
fclose(f);
if (retval) return retval;
if (log_flags.sched_ops) {
if (requested_work()) {
sprintf(buf, ": got %d new tasks", (int)sr.results.size());
} else {
strcpy(buf, "");
}
msg_printf(project, MSG_INFO, "Scheduler request completed%s", buf);
}
if (log_flags.sched_op_debug) {
if (sr.scheduler_version) {
msg_printf(project, MSG_INFO,
"[sched_op] Server version %d",
sr.scheduler_version
);
}
}
// check that master URL is correct
//
if (strlen(sr.master_url)) {
canonicalize_master_url(sr.master_url);
string url1 = sr.master_url;
string url2 = project->master_url;
downcase_string(url1);
downcase_string(url2);
if (url1 != url2) {
p2 = lookup_project(sr.master_url);
if (p2) {
msg_printf(project, MSG_USER_ALERT,
"You are attached to this project twice. Please remove projects named %s, then add %s",
project->project_name,
sr.master_url
);
} else {
msg_printf(project, MSG_INFO,
_("You used the wrong URL for this project. When convenient, remove this project, then add %s"),
sr.master_url
);
}
}
}
// make sure we don't already have a project of same name
//
bool dup_name = false;
for (i=0; i<projects.size(); i++) {
p2 = projects[i];
if (project == p2) continue;
if (!strcmp(p2->project_name, project->project_name)) {
dup_name = true;
break;
}
}
if (dup_name) {
msg_printf(project, MSG_INFO,
"Already attached to a project named %s (possibly with wrong URL)",
project->project_name
);
msg_printf(project, MSG_INFO,
"Consider detaching this project, then trying again"
);
}
// show messages from server
//
for (i=0; i<sr.messages.size(); i++) {
USER_MESSAGE& um = sr.messages[i];
int prio = (!strcmp(um.priority.c_str(), "notice"))?MSG_SCHEDULER_ALERT:MSG_INFO;
string_substitute(um.message.c_str(), buf, sizeof(buf), "%", "%%");
msg_printf(project, prio, "%s", buf);
}
if (log_flags.sched_op_debug && sr.request_delay) {
msg_printf(project, MSG_INFO,
"Project requested delay of %.0f seconds", sr.request_delay
);
}
// if project is down, return error (so that we back off)
// and don't do anything else
//
if (sr.project_is_down) {
if (sr.request_delay) {
double x = now + sr.request_delay;
project->set_min_rpc_time(x, "project is down");
}
return ERR_PROJECT_DOWN;
}
// if the scheduler reply includes global preferences,
// insert extra elements, write to disk, and parse
//
if (sr.global_prefs_xml) {
// skip this if we have host-specific prefs
// and we're talking to an old scheduler
//
if (!global_prefs.host_specific || sr.scheduler_version >= 507) {
retval = save_global_prefs(
sr.global_prefs_xml, project->master_url, scheduler_url
);
if (retval) {
return retval;
}
update_global_prefs = true;
} else {
if (log_flags.sched_op_debug) {
msg_printf(project, MSG_INFO,
"ignoring prefs from old server; we have host-specific prefs"
);
}
}
}
// see if we have a new venue from this project
// (this must go AFTER the above, since otherwise
// global_prefs_source_project() is meaningless)
//
if (strcmp(project->host_venue, sr.host_venue)) {
safe_strcpy(project->host_venue, sr.host_venue);
msg_printf(project, MSG_INFO, "New computer location: %s", sr.host_venue);
update_project_prefs = true;
if (project == global_prefs_source_project()) {
strcpy(main_host_venue, sr.host_venue);
update_global_prefs = true;
}
}
if (update_global_prefs) {
read_global_prefs();
}
// deal with project preferences (should always be there)
// If they've changed, write to account file,
// then parse to get our venue, and pass to running apps
//
if (sr.project_prefs_xml) {
if (strcmp(project->project_prefs.c_str(), sr.project_prefs_xml)) {
project->project_prefs = string(sr.project_prefs_xml);
update_project_prefs = true;
}
}
// the account file has GUI URLs and project prefs.
// rewrite if either of these has changed
//
if (project->gui_urls != old_gui_urls || update_project_prefs) {
retval = project->write_account_file();
if (retval) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Can't write account file: %s", boincerror(retval)
);
return retval;
}
}
if (update_project_prefs) {
project->parse_account_file();
if (strlen(project->host_venue)) {
project->parse_account_file_venue();
}
project->parse_preferences_for_user_files();
active_tasks.request_reread_prefs(project);
}
// if the scheduler reply includes a code-signing key,
// accept it if we don't already have one from the project.
// Otherwise verify its signature, using the key we already have.
//
if (sr.code_sign_key) {
if (!strlen(project->code_sign_key)) {
safe_strcpy(project->code_sign_key, sr.code_sign_key);
} else {
if (sr.code_sign_key_signature) {
retval = verify_string2(
sr.code_sign_key, sr.code_sign_key_signature,
project->code_sign_key, signature_valid
);
if (!retval && signature_valid) {
safe_strcpy(project->code_sign_key, sr.code_sign_key);
} else {
msg_printf(project, MSG_INTERNAL_ERROR,
"New code signing key doesn't validate"
);
}
} else {
msg_printf(project, MSG_INTERNAL_ERROR,
"Missing code sign key signature"
);
}
}
}
// copy new entities to client state
//
for (i=0; i<sr.apps.size(); i++) {
APP* app = lookup_app(project, sr.apps[i].name);
if (app) {
strcpy(app->user_friendly_name, sr.apps[i].user_friendly_name);
} else {
app = new APP;
*app = sr.apps[i];
retval = link_app(project, app);
if (retval) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Can't handle application %s in scheduler reply", app->name
);
delete app;
} else {
apps.push_back(app);
}
}
}
FILE_INFO* fip;
for (i=0; i<sr.file_infos.size(); i++) {
fip = lookup_file_info(project, sr.file_infos[i].name);
if (fip) {
fip->merge_info(sr.file_infos[i]);
} else {
fip = new FILE_INFO;
*fip = sr.file_infos[i];
retval = link_file_info(project, fip);
if (retval) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Can't handle file %s in scheduler reply", fip->name
);
delete fip;
} else {
file_infos.push_back(fip);
}
}
}
for (i=0; i<sr.file_deletes.size(); i++) {
fip = lookup_file_info(project, sr.file_deletes[i].c_str());
if (fip) {
if (log_flags.file_xfer_debug) {
msg_printf(project, MSG_INFO,
"[file_xfer_debug] Got server request to delete file %s",
fip->name
);
}
fip->sticky = false;
}
}
for (i=0; i<sr.app_versions.size(); i++) {
if (project->anonymous_platform) {
msg_printf(project, MSG_INTERNAL_ERROR,
"App version returned from anonymous platform project; ignoring"
);
continue;
}
APP_VERSION& avpp = sr.app_versions[i];
if (strlen(avpp.platform) == 0) {
strcpy(avpp.platform, get_primary_platform());
} else {
if (!is_supported_platform(avpp.platform)) {
msg_printf(project, MSG_INTERNAL_ERROR,
"App version has unsupported platform %s", avpp.platform
);
continue;
}
}
if (avpp.missing_coproc) {
msg_printf(project, MSG_INTERNAL_ERROR,
"App version uses non-existent %s GPU",
avpp.missing_coproc_name
);
}
APP* app = lookup_app(project, avpp.app_name);
if (!app) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Missing app %s", avpp.app_name
);
continue;
}
APP_VERSION* avp = lookup_app_version(
app, avpp.platform, avpp.version_num, avpp.plan_class
);
if (avp) {
// update performance-related info;
// generally this shouldn't change,
// but if it does it's better to use the new stuff
//
avp->avg_ncpus = avpp.avg_ncpus;
avp->max_ncpus = avpp.max_ncpus;
avp->flops = avpp.flops;
strcpy(avp->cmdline, avpp.cmdline);
avp->gpu_usage = avpp.gpu_usage;
strlcpy(avp->api_version, avpp.api_version, sizeof(avp->api_version));
// if we had download failures, clear them
//
avp->clear_errors();
continue;
}
avp = new APP_VERSION;
*avp = avpp;
retval = link_app_version(project, avp);
if (retval) {
delete avp;
continue;
}
app_versions.push_back(avp);
}
for (i=0; i<sr.workunits.size(); i++) {
if (lookup_workunit(project, sr.workunits[i].name)) continue;
WORKUNIT* wup = new WORKUNIT;
*wup = sr.workunits[i];
wup->project = project;
retval = link_workunit(project, wup);
if (retval) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Can't handle task %s in scheduler reply", wup->name
);
delete wup;
continue;
}
wup->clear_errors();
workunits.push_back(wup);
}
double est_rsc_duration[MAX_RSC];
for (int j=0; j<coprocs.n_rsc; j++) {
est_rsc_duration[j] = 0;
}
for (i=0; i<sr.results.size(); i++) {
if (lookup_result(project, sr.results[i].name)) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Already have task %s\n", sr.results[i].name
);
continue;
}
RESULT* rp = new RESULT;
*rp = sr.results[i];
retval = link_result(project, rp);
if (retval) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Can't handle task %s in scheduler reply", rp->name
);
delete rp;
continue;
}
if (strlen(rp->platform) == 0) {
strcpy(rp->platform, get_primary_platform());
rp->version_num = latest_version(rp->wup->app, rp->platform);
}
rp->avp = lookup_app_version(
rp->wup->app, rp->platform, rp->version_num, rp->plan_class
);
if (!rp->avp) {
msg_printf(project, MSG_INTERNAL_ERROR,
"No app version found for app %s platform %s ver %d class %s; discarding %s",
rp->wup->app->name, rp->platform, rp->version_num, rp->plan_class, rp->name
);
delete rp;
continue;
}
if (rp->avp->missing_coproc) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Missing coprocessor for task %s; aborting", rp->name
);
rp->abort_inactive(ERR_MISSING_COPROC);
continue;
} else {
rp->set_state(RESULT_NEW, "handle_scheduler_reply");
int rt = rp->avp->gpu_usage.rsc_type;
if (rt > 0) {
est_rsc_duration[rt] += rp->estimated_duration();
gpus_usable = true;
// trigger a check of whether GPU is actually usable
} else {
est_rsc_duration[0] += rp->estimated_duration();
}
}
rp->wup->version_num = rp->version_num;
rp->received_time = now;
new_results.push_back(rp);
results.push_back(rp);
}
sort_results();
if (log_flags.sched_op_debug) {
if (sr.results.size()) {
for (int j=0; j<coprocs.n_rsc; j++) {
msg_printf(project, MSG_INFO,
"[sched_op] estimated total %s task duration: %.0f seconds",
rsc_name(j), est_rsc_duration[j]
);
}
}
}
// update records for ack'ed results
//
for (i=0; i<sr.result_acks.size(); i++) {
if (log_flags.sched_op_debug) {
msg_printf(project, MSG_INFO,
"[sched_op] handle_scheduler_reply(): got ack for task %s\n",
sr.result_acks[i].name
);
}
RESULT* rp = lookup_result(project, sr.result_acks[i].name);
if (rp) {
rp->got_server_ack = true;
} else {
msg_printf(project, MSG_INTERNAL_ERROR,
"Got ack for task %s, but can't find it", sr.result_acks[i].name
);
}
}
// handle result abort requests
//
for (i=0; i<sr.result_abort.size(); i++) {
RESULT* rp = lookup_result(project, sr.result_abort[i].name);
if (rp) {
ACTIVE_TASK* atp = lookup_active_task_by_result(rp);
if (atp) {
atp->abort_task(ERR_ABORTED_BY_PROJECT,
"aborted by project - no longer usable"
);
} else {
rp->abort_inactive(ERR_ABORTED_BY_PROJECT);
}
} else {
msg_printf(project, MSG_INTERNAL_ERROR,
"Server requested abort of unknown task %s",
sr.result_abort[i].name
);
}
}
for (i=0; i<sr.result_abort_if_not_started.size(); i++) {
RESULT* rp = lookup_result(project, sr.result_abort_if_not_started[i].name);
if (!rp) {
msg_printf(project, MSG_INTERNAL_ERROR,
"Server requested conditional abort of unknown task %s",
sr.result_abort_if_not_started[i].name
);
continue;
}
if (rp->not_started) {
rp->abort_inactive(ERR_ABORTED_BY_PROJECT);
}
}
// remove acked trickle files
//
if (sr.message_ack) {
remove_trickle_files(project);
}
if (sr.send_full_workload) {
project->send_full_workload = true;
}
project->send_time_stats_log = sr.send_time_stats_log;
project->send_job_log = sr.send_job_log;
project->trickle_up_pending = false;
// The project returns a hostid only if it has created a new host record.
// In that case reset RPC seqno
//
if (sr.hostid) {
if (project->hostid) {
// if we already have a host ID for this project,
// we must have sent it a stale seqno,
// which usually means our state file was copied from another host.
// So generate a new host CPID.
//
generate_new_host_cpid();
msg_printf(project, MSG_INFO,
"Generated new computer cross-project ID: %s",
host_info.host_cpid
);
}
//msg_printf(project, MSG_INFO, "Changing host ID from %d to %d", project->hostid, sr.hostid);
project->hostid = sr.hostid;
project->rpc_seqno = 0;
}
#ifdef ENABLE_AUTO_UPDATE
if (sr.auto_update.present) {
if (!sr.auto_update.validate_and_link(project)) {
auto_update = sr.auto_update;
}
}
#endif
project->link_project_files(true);
if (log_flags.state_debug) {
msg_printf(project, MSG_INFO,
"[state] handle_scheduler_reply(): State after handle_scheduler_reply():"
);
print_summary();
}
// the following must precede the backoff and request_delay checks,
// since it overrides them
//
if (sr.next_rpc_delay) {
project->next_rpc_time = now + sr.next_rpc_delay;
} else {
project->next_rpc_time = 0;
}
work_fetch.handle_reply(project, &sr, new_results);
project->nrpc_failures = 0;
project->min_rpc_time = 0;
if (sr.request_delay) {
double x = now + sr.request_delay;
project->set_min_rpc_time(x, "requested by project");
}
if (sr.got_rss_feeds) {
handle_sr_feeds(sr.sr_feeds, project);
}
update_trickle_up_urls(project, sr.trickle_up_urls);
// garbage collect in case the project sent us some irrelevant FILE_INFOs;
// avoid starting transfers for them
//
gstate.garbage_collect_always();
return 0;
}
#endif // SIM
void CLIENT_STATE::check_project_timeout() {
unsigned int i;
for (i=0; i<projects.size(); i++) {
PROJECT* p = projects[i];
if (p->possibly_backed_off && now > p->min_rpc_time) {
p->possibly_backed_off = false;
char buf[256];
sprintf(buf, "Backoff ended for %s", p->get_project_name());
request_work_fetch(buf);
}
}
}
void PROJECT::set_min_rpc_time(double future_time, const char* reason) {
if (future_time <= min_rpc_time) return;
min_rpc_time = future_time;
possibly_backed_off = true;
if (log_flags.sched_op_debug) {
msg_printf(this, MSG_INFO,
"[sched_op] Deferring communication for %s",
timediff_format(min_rpc_time - gstate.now).c_str()
);
msg_printf(this, MSG_INFO, "[sched_op] Reason: %s\n", reason);
}
}
// Return true if we should not contact the project yet.
//
bool PROJECT::waiting_until_min_rpc_time() {
return (min_rpc_time > gstate.now);
}
// find a project that needs to have its master file fetched
//
PROJECT* CLIENT_STATE::next_project_master_pending() {
unsigned int i;
PROJECT* p;
for (i=0; i<projects.size(); i++) {
p = projects[i];
if (p->waiting_until_min_rpc_time()) continue;
if (p->suspended_via_gui) continue;
if (p->master_url_fetch_pending) {
return p;
}
}
return 0;
}
// find a project for which a scheduler RPC has been requested
// - by user
// - by an account manager
// - by the project
// - because the project was just attached (for verification)
//
PROJECT* CLIENT_STATE::next_project_sched_rpc_pending() {
unsigned int i;
PROJECT* p;
for (i=0; i<projects.size(); i++) {
p = projects[i];
bool honor_backoff = true;
bool honor_suspend = true;
// is a scheduler-requested RPC due?
//
if (!p->sched_rpc_pending && p->next_rpc_time && p->next_rpc_time<now) {
// don't do it if project is set to no new work
// and has no jobs currently
//
if (!p->dont_request_more_work || p->has_results()) {
p->sched_rpc_pending = RPC_REASON_PROJECT_REQ;
}
}
switch (p->sched_rpc_pending) {
case RPC_REASON_USER_REQ:
honor_backoff = false;
honor_suspend = false;
break;
case RPC_REASON_RESULTS_DUE:
break;
case RPC_REASON_NEED_WORK:
break;
case RPC_REASON_TRICKLE_UP:
break;
case RPC_REASON_ACCT_MGR_REQ:
// This is critical for acct mgrs, to propagate new host CPIDs
honor_suspend = false;
break;
case RPC_REASON_INIT:
break;
case RPC_REASON_PROJECT_REQ:
break;
}
if (honor_backoff && p->waiting_until_min_rpc_time()) {
continue;
}
if (honor_suspend && p->suspended_via_gui) {
continue;
}
if (p->sched_rpc_pending) {
return p;
}
}
return 0;
}
PROJECT* CLIENT_STATE::next_project_trickle_up_pending() {
unsigned int i;
PROJECT* p;
for (i=0; i<projects.size(); i++) {
p = projects[i];
if (p->waiting_until_min_rpc_time()) continue;
if (p->suspended_via_gui) continue;
if (p->trickle_up_pending) {
return p;
}
}
return 0;
}
// find a project with finished results that should be reported.
// This means:
// - we're not backing off contacting the project
// - the result is ready_to_report (compute done; files uploaded)
// - we're within a day of the report deadline,
// or at least a day has elapsed since the result was completed,
// or we have a sporadic connection
// or the project is in "don't request more work" state
//
PROJECT* CLIENT_STATE::find_project_with_overdue_results() {
unsigned int i;
RESULT* r;
for (i=0; i<results.size(); i++) {
r = results[i];
if (!r->ready_to_report) continue;
PROJECT* p = r->project;
if (p->waiting_until_min_rpc_time()) continue;
if (p->suspended_via_gui) continue;
if (p->dont_request_more_work) {
return p;
}
if (r->report_immediately) {
return p;
}
if (config.report_results_immediately) {
return p;
}
if (net_status.have_sporadic_connection) {
return p;
}
double cushion = std::max(REPORT_DEADLINE_CUSHION, work_buf_min());
if (gstate.now > r->report_deadline - cushion) {
return p;
}
if (gstate.now > r->completed_time + SECONDS_PER_DAY) {
return p;
}
}
return 0;
}
// trigger work fetch
//
void CLIENT_STATE::request_work_fetch(const char* where) {
if (log_flags.work_fetch_debug) {
msg_printf(0, MSG_INFO, "[work_fetch] Request work fetch: %s", where);
}
must_check_work_fetch = true;
}
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