mirror of https://github.com/BOINC/boinc.git
320 lines
9.2 KiB
C
320 lines
9.2 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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// Logic related to general (also known as global) preferences:
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// when to compute, how much disk to use, etc.
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//
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#ifdef _WIN32
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#include "boinc_win.h"
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#endif
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#ifndef _WIN32
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#if HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#if HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#endif
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#include "util.h"
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#include "filesys.h"
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#include "parse.h"
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#include "file_names.h"
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#include "cpu_benchmark.h"
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#include "client_msgs.h"
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#include "client_state.h"
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using std::min;
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using std::string;
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void CLIENT_STATE::install_global_prefs() {
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net_xfers->max_bytes_sec_up = global_prefs.max_bytes_sec_up;
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net_xfers->max_bytes_sec_down = global_prefs.max_bytes_sec_down;
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net_xfers->bytes_left_up = global_prefs.max_bytes_sec_up;
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net_xfers->bytes_left_down = global_prefs.max_bytes_sec_down;
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// max_cpus may have changed, so update ncpus
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//
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set_ncpus();
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}
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// Return the maximum allowed disk usage as determined by user preferences.
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// There are three different settings in the prefs;
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// return the least of the three.
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//
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int CLIENT_STATE::allowed_disk_usage(double& size) {
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double percent_space, min_val;
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percent_space = host_info.d_total*global_prefs.disk_max_used_pct/100.0;
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min_val = host_info.d_free - global_prefs.disk_min_free_gb*(1024.*1024.*1024.);
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size = min(min(global_prefs.disk_max_used_gb*(1024.*1024.*1024.), percent_space), min_val);
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if (size < 0) size = 0;
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return 0;
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}
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int CLIENT_STATE::project_disk_usage(PROJECT* p, double& size) {
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char buf[256];
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unsigned int i;
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double s;
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get_project_dir(p, buf);
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dir_size(buf, size);
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for (i=0; i<active_tasks.active_tasks.size(); i++) {
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ACTIVE_TASK* atp = active_tasks.active_tasks[i];
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if (atp->wup->project != p) continue;
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get_slot_dir(atp->slot, buf);
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dir_size(buf, s);
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size += s;
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}
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return 0;
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}
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int CLIENT_STATE::total_disk_usage(double& size) {
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return dir_size(".", size);
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}
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int CLIENT_STATE::allowed_project_disk_usage(double& size) {
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double other_disk_used;
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double total_disk_available;
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double project_disk_used;
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total_disk_usage(other_disk_used);
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allowed_disk_usage(total_disk_available);
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for(unsigned int i=0; i<projects.size(); i++) {
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project_disk_usage(projects[i], project_disk_used);
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other_disk_used -= project_disk_used;
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}
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size = total_disk_available - other_disk_used;
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return 0;
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}
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// returns true if start_hour == end_hour or start_hour <= now < end_hour
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//
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inline bool now_between_two_hours(int start_hour, int end_hour) {
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if (start_hour == end_hour) {
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return true;
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}
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time_t now = time(0);
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struct tm *tmp = localtime(&now);
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int hour = tmp->tm_hour;
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if (start_hour < end_hour) {
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return (hour >= start_hour && hour < end_hour);
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} else {
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return !(hour >= end_hour && hour < start_hour);
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}
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}
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// See if (on the basis of user run request and prefs)
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// we should suspend activities.
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//
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void CLIENT_STATE::check_suspend_activities(double /*now*/, int& reason) {
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reason = 0;
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// Don't work while we're running CPU benchmarks
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//
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if (are_cpu_benchmarks_running()) {
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reason |= SUSPEND_REASON_BENCHMARKS;
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}
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if (user_run_request == USER_RUN_REQUEST_ALWAYS) return;
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if (user_run_request == USER_RUN_REQUEST_NEVER) {
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reason |= SUSPEND_REASON_USER_REQ;
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return;
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}
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if (!global_prefs.run_on_batteries
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&& host_info.host_is_running_on_batteries()
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) {
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reason |= SUSPEND_REASON_BATTERIES;
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}
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if (!global_prefs.run_if_user_active
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&& !host_info.users_idle(
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check_all_logins, global_prefs.idle_time_to_run
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)
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) {
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reason |= SUSPEND_REASON_USER_ACTIVE;
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}
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if (!now_between_two_hours(global_prefs.start_hour, global_prefs.end_hour)) {
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reason |= SUSPEND_REASON_TIME_OF_DAY;
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}
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}
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int CLIENT_STATE::suspend_activities(int reason) {
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string s_reason;
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s_reason = "Suspending computation and network activity";
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if (reason & SUSPEND_REASON_BATTERIES) {
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s_reason += " - on batteries";
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}
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if (reason & SUSPEND_REASON_USER_ACTIVE) {
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s_reason += " - user is active";
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}
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if (reason & SUSPEND_REASON_USER_REQ) {
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s_reason += " - user request";
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}
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if (reason & SUSPEND_REASON_TIME_OF_DAY) {
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s_reason += " - time of day";
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}
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if (reason & SUSPEND_REASON_BENCHMARKS) {
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s_reason += " - running CPU benchmarks";
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}
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if (reason & SUSPEND_REASON_DISK_SIZE) {
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s_reason += " - out of disk space - change global prefs";
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}
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msg_printf(NULL, MSG_INFO, const_cast<char*>(s_reason.c_str()));
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if (reason & SUSPEND_REASON_BENCHMARKS) {
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active_tasks.suspend_all(false);
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} else {
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active_tasks.suspend_all(global_prefs.leave_apps_in_memory);
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}
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pers_file_xfers->suspend();
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return 0;
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}
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// persistent file xfers will resume of their own accord
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// since activities_suspended is now true
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//
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int CLIENT_STATE::resume_activities() {
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msg_printf(NULL, MSG_INFO, "Resuming computation and network activity");
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active_tasks.unsuspend_all();
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gstate.request_schedule_cpus("Resuming activities");
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return 0;
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}
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void CLIENT_STATE::check_suspend_network(double /*now*/, int& reason) {
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reason = 0;
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if (user_network_request == USER_RUN_REQUEST_ALWAYS) return;
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if (user_network_request == USER_RUN_REQUEST_NEVER) {
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reason |= SUSPEND_REASON_USER_REQ;
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return;
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}
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return;
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}
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int CLIENT_STATE::suspend_network(int reason) {
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string s_reason;
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s_reason = "Suspending network activity";
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if (reason & SUSPEND_REASON_USER_REQ) {
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s_reason += " - user request";
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}
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msg_printf(NULL, MSG_INFO, const_cast<char*>(s_reason.c_str()));
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pers_file_xfers->suspend();
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return 0;
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}
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int CLIENT_STATE::resume_network() {
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msg_printf(NULL, MSG_INFO, "Resuming network activity");
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return 0;
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}
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// call this only after parsing global prefs
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//
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PROJECT* CLIENT_STATE::global_prefs_source_project() {
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return lookup_project(global_prefs.source_project);
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}
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void CLIENT_STATE::show_global_prefs_source(bool found_venue) {
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PROJECT* pp = global_prefs_source_project();
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if (pp) {
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msg_printf(NULL, MSG_INFO,
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"General prefs: from %s (last modified %s)\n",
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pp->get_project_name(), time_to_string(global_prefs.mod_time)
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);
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} else {
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msg_printf(NULL, MSG_INFO,
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"General prefs: from unknown project %s (last modified %s)\n",
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global_prefs.source_project,
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time_to_string(global_prefs.mod_time)
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);
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}
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if (strlen(main_host_venue)) {
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if (found_venue) {
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msg_printf(NULL, MSG_INFO,
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"General prefs: using separate prefs for %s\n", main_host_venue
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);
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} else {
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msg_printf(NULL, MSG_INFO,
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"General prefs: no separate prefs for %s; using your defaults\n",
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main_host_venue
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);
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}
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} else {
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msg_printf(NULL, MSG_INFO, "General prefs: using your defaults\n");
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}
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}
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// parse user's project preferences,
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// generating FILE_REF and FILE_INFO objects for each <app_file> element.
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//
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int PROJECT::parse_preferences_for_user_files() {
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char* p, *q, *q2;
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char buf[1024];
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string timestamp, open_name, url, filename;
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FILE_INFO* fip;
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FILE_REF fr;
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char prefs_buf[MAX_BLOB_LEN];
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strcpy(prefs_buf, project_specific_prefs.c_str());
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p = prefs_buf;
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user_files.clear();
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while (1) {
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q = strstr(p, "<app_file>");
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if (!q) break;
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q2 = strstr(q, "</app_file>");
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if (!q2) break;
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*q2 = 0;
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strcpy(buf, q);
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if (!parse_str(buf, "<timestamp>", timestamp)) break;
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if (!parse_str(buf, "<open_name>", open_name)) break;
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if (!parse_str(buf, "<url>", url)) break;
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filename = open_name + "_" + timestamp;
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fip = gstate.lookup_file_info(this, filename.c_str());
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if (!fip) {
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fip = new FILE_INFO;
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fip->project = this;
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fip->urls.push_back(url);
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strcpy(fip->name, filename.c_str());
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fip->is_user_file = true;
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gstate.file_infos.push_back(fip);
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}
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fr.file_info = fip;
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strcpy(fr.open_name, open_name.c_str());
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user_files.push_back(fr);
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p = q2+strlen("</app_file>");
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}
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return 0;
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}
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const char *BOINC_RCSID_92ad99cddf = "$Id$";
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