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boinc/lib/prefs.C

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// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This 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 2.1 of the License, or (at your option) any later version.
//
// This software 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.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#if defined(_WIN32) && !defined(__STDWX_H__) && !defined(_BOINC_WIN_) && !defined(_AFX_STDAFX_H_)
#include "boinc_win.h"
#endif
#ifndef _WIN32
#include "config.h"
#include <cstdio>
#include <cstring>
#include <cstdlib>
#endif
#include "parse.h"
#include "error_numbers.h"
#include "prefs.h"
GLOBAL_PREFS_MASK::GLOBAL_PREFS_MASK() {
clear();
}
void GLOBAL_PREFS_MASK::clear() {
memset(this, 0, sizeof(GLOBAL_PREFS_MASK));
}
bool GLOBAL_PREFS_MASK::are_prefs_set() {
if (run_on_batteries) return true;
if (run_if_user_active) return true;
if (start_hour) return true; // 0..23; no restriction if start==end
if (end_hour) return true;
if (net_start_hour) return true; // 0..23; no restriction if start==end
if (net_end_hour) return true;
if (leave_apps_in_memory) return true;
if (confirm_before_connecting) return true;
if (hangup_if_dialed) return true;
if (dont_verify_images) return true;
if (work_buf_min_days) return true;
if (max_cpus) return true;
if (cpu_scheduling_period_minutes) return true;
if (disk_interval) return true;
if (disk_max_used_gb) return true;
if (disk_max_used_pct) return true;
if (disk_min_free_gb) return true;
if (vm_max_used_frac) return true;
if (ram_max_used_busy_frac) return true;
if (ram_max_used_idle_frac) return true;
if (idle_time_to_run) return true;
if (max_bytes_sec_up) return true;
if (max_bytes_sec_down) return true;
if (cpu_usage_limit) return true;
return false;
}
bool GLOBAL_PREFS_MASK::are_simple_prefs_set() {
if (start_hour) return true;
if (end_hour) return true;
if (net_start_hour) return true;
if (net_end_hour) return true;
if (disk_max_used_gb) return true;
if (cpu_usage_limit) return true;
if (run_if_user_active) return true;
if (run_on_batteries) return true;
if (idle_time_to_run) return true;
return false;
}
// The following values determine how the client behaves
// if there are no global prefs (e.g. on our very first RPC).
// These should impose minimal restrictions,
// so that the client can do the RPC and get the global prefs from the server
//
void GLOBAL_PREFS::defaults() {
run_on_batteries = true;
run_if_user_active = true;
start_hour = 0;
end_hour = 0;
net_start_hour = 0;
net_end_hour = 0;
leave_apps_in_memory = false;
confirm_before_connecting = true;
hangup_if_dialed = false;
dont_verify_images = false;
work_buf_min_days = 0.1;
max_cpus = 16;
cpu_scheduling_period_minutes = 60;
disk_interval = 60;
disk_max_used_gb = 10;
disk_max_used_pct = 50;
disk_min_free_gb = 0.1;
vm_max_used_frac = 0.75;
ram_max_used_busy_frac = 0.5;
ram_max_used_idle_frac = 0.9;
idle_time_to_run = 3;
max_bytes_sec_up = 0;
max_bytes_sec_down = 0;
cpu_usage_limit = 100;
// don't initialize source_project, source_scheduler,
// mod_time, host_specific here
// since they are outside of <venue> elements,
// and this is called when find the right venue.
// Also, don't memset to 0
}
// before parsing
void GLOBAL_PREFS::clear_bools() {
run_on_batteries = false;
run_if_user_active = false;
leave_apps_in_memory = false;
confirm_before_connecting = false;
hangup_if_dialed = false;
dont_verify_images = false;
}
GLOBAL_PREFS::GLOBAL_PREFS() {
defaults();
}
// Parse XML global prefs, setting defaults first.
// The start tag has already been parsed.
//
int GLOBAL_PREFS::parse(
XML_PARSER& xp, const char* host_venue, bool& found_venue, GLOBAL_PREFS_MASK& mask
) {
defaults();
clear_bools();
strcpy(source_project, "");
strcpy(source_scheduler, "");
mod_time = 0;
host_specific = false;
return parse_override(xp, host_venue, found_venue, mask);
}
// Parse global prefs, overriding whatever is currently in the structure.
//
// If host_venue is nonempty and we find an element of the form
// <venue name="X">
// ...
// </venue>
// where X==host_venue, then parse that and ignore the rest.
// Otherwise ignore <venue> elements.
//
// The start tag has already been parsed.
//
int GLOBAL_PREFS::parse_override(
XML_PARSER& xp, const char* host_venue, bool& found_venue, GLOBAL_PREFS_MASK& mask
) {
char tag[256], buf2[256];
bool in_venue = false, in_correct_venue=false, is_tag;
double dtemp;
found_venue = false;
mask.clear();
while (!xp.get(tag, sizeof(tag), is_tag)) {
if (in_venue) {
if (!strcmp(tag, "/venue")) {
if (in_correct_venue) {
return 0;
} else {
in_venue = false;
continue;
}
} else {
if (!in_correct_venue) continue;
}
} else {
if (strstr(tag, "venue")) {
in_venue = true;
parse_attr(tag, "name", buf2, sizeof(buf2));
if (!strcmp(buf2, host_venue)) {
defaults();
clear_bools();
in_correct_venue = true;
found_venue = true;
} else {
in_correct_venue = false;
}
continue;
}
}
if (xp.parse_str(tag, "source_project", source_project, sizeof(source_project))) {
continue;
} else if (xp.parse_str(tag, "source_scheduler", source_scheduler, sizeof(source_scheduler))) {
continue;
} else if (xp.parse_int(tag, "mod_time", mod_time)) {
continue;
} else if (!strcmp(tag, "/global_preferences")) {
return 0;
} else if (xp.parse_bool(tag, "run_on_batteries", run_on_batteries)) {
mask.run_on_batteries = true;
continue;
} else if (xp.parse_bool(tag, "run_if_user_active", run_if_user_active)) {
mask.run_if_user_active = true;
continue;
} else if (xp.parse_int(tag, "start_hour", start_hour)) {
mask.start_hour = true;
continue;
} else if (xp.parse_int(tag, "end_hour", end_hour)) {
mask.end_hour = true;
continue;
} else if (xp.parse_int(tag, "net_start_hour", net_start_hour)) {
mask.net_start_hour = true;
continue;
} else if (xp.parse_int(tag, "net_end_hour", net_end_hour)) {
mask.net_end_hour = true;
continue;
} else if (xp.parse_bool(tag, "leave_apps_in_memory", leave_apps_in_memory)) {
mask.leave_apps_in_memory = true;
continue;
} else if (xp.parse_bool(tag, "confirm_before_connecting", confirm_before_connecting)) {
mask.confirm_before_connecting = true;
continue;
} else if (xp.parse_bool(tag, "hangup_if_dialed", hangup_if_dialed)) {
mask.hangup_if_dialed = true;
continue;
} else if (xp.parse_bool(tag, "dont_verify_images", dont_verify_images)) {
mask.dont_verify_images = true;
continue;
} else if (xp.parse_double(tag, "work_buf_min_days", work_buf_min_days)) {
if (work_buf_min_days < 0.01) work_buf_min_days = 0.01;
mask.work_buf_min_days = true;
continue;
} else if (xp.parse_int(tag, "max_cpus", max_cpus)) {
if (max_cpus < 1) max_cpus = 1;
mask.max_cpus = true;
continue;
} else if (xp.parse_double(tag, "disk_interval", disk_interval)) {
if (disk_interval<0) disk_interval = 0;
mask.disk_interval = true;
continue;
} else if (xp.parse_double(tag, "cpu_scheduling_period_minutes", cpu_scheduling_period_minutes)) {
if (cpu_scheduling_period_minutes < 0.0001) cpu_scheduling_period_minutes = 60;
mask.cpu_scheduling_period_minutes = true;
continue;
} else if (xp.parse_double(tag, "disk_max_used_gb", disk_max_used_gb)) {
mask.disk_max_used_gb = true;
continue;
} else if (xp.parse_double(tag, "disk_max_used_pct", disk_max_used_pct)) {
mask.disk_max_used_pct = true;
continue;
} else if (xp.parse_double(tag, "disk_min_free_gb", disk_min_free_gb)) {
mask.disk_min_free_gb = true;
continue;
} else if (xp.parse_double(tag, "vm_max_used_pct", dtemp)) {
vm_max_used_frac = dtemp/100;
mask.vm_max_used_frac = true;
continue;
} else if (xp.parse_double(tag, "ram_max_used_busy_pct", dtemp)) {
if (!dtemp) dtemp = 100;
ram_max_used_busy_frac = dtemp/100;
mask.ram_max_used_busy_frac = true;
continue;
} else if (xp.parse_double(tag, "ram_max_used_idle_pct", dtemp)) {
if (!dtemp) dtemp = 100;
ram_max_used_idle_frac = dtemp/100;
mask.ram_max_used_idle_frac = true;
continue;
} else if (xp.parse_double(tag, "idle_time_to_run", idle_time_to_run)) {
mask.idle_time_to_run = true;
continue;
} else if (xp.parse_double(tag, "max_bytes_sec_up", max_bytes_sec_up)) {
if (max_bytes_sec_up < 0) max_bytes_sec_up = 0;
mask.max_bytes_sec_up = true;
continue;
} else if (xp.parse_double(tag, "max_bytes_sec_down", max_bytes_sec_down)) {
if (max_bytes_sec_down < 0) max_bytes_sec_down = 0;
mask.max_bytes_sec_down = true;
continue;
} else if (xp.parse_double(tag, "cpu_usage_limit", dtemp)) {
if (dtemp > 0 && dtemp <= 100) {
cpu_usage_limit = dtemp;
mask.cpu_usage_limit = true;
}
continue;
} else if (xp.parse_bool(tag, "host_specific", host_specific)) {
continue;
}
}
return ERR_XML_PARSE;
}
// Parse global prefs file
//
int GLOBAL_PREFS::parse_file(
const char* filename, const char* host_venue, bool& found_venue
) {
FILE* f;
GLOBAL_PREFS_MASK mask;
int retval;
f = fopen(filename, "r");
if (!f) return ERR_FOPEN;
MIOFILE mf;
mf.init_file(f);
XML_PARSER xp(&mf);
if (!xp.parse_start("global_preferences")) {
return ERR_XML_PARSE;
}
retval = parse(xp, host_venue, found_venue, mask);
fclose(f);
return retval;
}
// Write the global prefs that are actually in force
// (our particular venue, modified by overwrite file).
// This is used to write
// 1) the app init data file
// 2) GUI RPC get_state reply
// Not used for scheduler request; there, we just copy the
// global_prefs.xml file (which includes all venues).
//
int GLOBAL_PREFS::write(MIOFILE& f) {
f.printf(
"<global_preferences>\n"
" <mod_time>%d</mod_time>\n"
"%s%s"
" <start_hour>%d</start_hour>\n"
" <end_hour>%d</end_hour>\n"
" <net_start_hour>%d</net_start_hour>\n"
" <net_end_hour>%d</net_end_hour>\n"
"%s%s%s%s"
" <work_buf_min_days>%f</work_buf_min_days>\n"
" <max_cpus>%d</max_cpus>\n"
" <cpu_scheduling_period_minutes>%f</cpu_scheduling_period_minutes>\n"
" <disk_interval>%f</disk_interval>\n"
" <disk_max_used_gb>%f</disk_max_used_gb>\n"
" <disk_max_used_pct>%f</disk_max_used_pct>\n"
" <disk_min_free_gb>%f</disk_min_free_gb>\n"
" <vm_max_used_pct>%f</vm_max_used_pct>\n"
" <ram_max_used_busy_pct>%f</ram_max_used_busy_pct>\n"
" <ram_max_used_idle_pct>%f</ram_max_used_idle_pct>\n"
" <idle_time_to_run>%f</idle_time_to_run>\n"
" <max_bytes_sec_up>%f</max_bytes_sec_up>\n"
" <max_bytes_sec_down>%f</max_bytes_sec_down>\n"
" <cpu_usage_limit>%f</cpu_usage_limit>\n"
"</global_preferences>\n",
mod_time,
run_on_batteries?" <run_on_batteries/>\n":"",
run_if_user_active?" <run_if_user_active/>\n":"",
start_hour,
end_hour,
net_start_hour,
net_end_hour,
leave_apps_in_memory?" <leave_apps_in_memory/>\n":"",
confirm_before_connecting?" <confirm_before_connecting/>\n":"",
hangup_if_dialed?" <hangup_if_dialed/>\n":"",
dont_verify_images?" <dont_verify_images/>\n":"",
work_buf_min_days,
max_cpus,
cpu_scheduling_period_minutes,
disk_interval,
disk_max_used_gb,
disk_max_used_pct,
disk_min_free_gb,
vm_max_used_frac*100,
ram_max_used_busy_frac*100,
ram_max_used_idle_frac*100,
idle_time_to_run,
max_bytes_sec_up,
max_bytes_sec_down,
cpu_usage_limit
);
return 0;
}
// write a subset of the global preferences,
// as selected by the mask of bools
//
int GLOBAL_PREFS::write_subset(MIOFILE& f, GLOBAL_PREFS_MASK& mask) {
if (!mask.are_prefs_set()) return 0;
f.printf("<global_preferences>\n");
if (mask.run_on_batteries) {
f.printf(" <run_on_batteries>%d</run_on_batteries>\n",
run_on_batteries?1:0
);
}
if (mask.run_if_user_active) {
f.printf(" <run_if_user_active>%d</run_if_user_active>\n",
run_if_user_active?1:0
);
}
if (mask.start_hour) {
f.printf(" <start_hour>%d</start_hour>\n", start_hour);
}
if (mask.end_hour) {
f.printf(" <end_hour>%d</end_hour>\n", end_hour);
}
if (mask.net_start_hour) {
f.printf(" <net_start_hour>%d</net_start_hour>\n", net_start_hour);
}
if (mask.net_end_hour) {
f.printf(" <net_end_hour>%d</net_end_hour>\n", net_end_hour);
}
if (mask.leave_apps_in_memory) {
f.printf(" <leave_apps_in_memory>%d</leave_apps_in_memory>\n",
leave_apps_in_memory?1:0
);
}
if (mask.confirm_before_connecting) {
f.printf(" <confirm_before_connecting>%d</confirm_before_connecting>\n",
confirm_before_connecting?1:0
);
}
if (mask.hangup_if_dialed) {
f.printf(" <hangup_if_dialed>%d</hangup_if_dialed>\n",
hangup_if_dialed?1:0
);
}
if (mask.dont_verify_images) {
f.printf(" <dont_verify_images>%d</dont_verify_images>\n",
dont_verify_images?1:0
);
}
if (mask.work_buf_min_days) {
f.printf(" <work_buf_min_days>%f</work_buf_min_days>\n", work_buf_min_days);
}
if (mask.max_cpus) {
f.printf(" <max_cpus>%d</max_cpus>\n", max_cpus);
}
if (mask.cpu_scheduling_period_minutes) {
f.printf(" <cpu_scheduling_period_minutes>%f</cpu_scheduling_period_minutes>\n", cpu_scheduling_period_minutes);
}
if (mask.disk_interval) {
f.printf(" <disk_interval>%f</disk_interval>\n", disk_interval);
}
if (mask.disk_max_used_gb) {
f.printf(" <disk_max_used_gb>%f</disk_max_used_gb>\n", disk_max_used_gb);
}
if (mask.disk_max_used_pct) {
f.printf(" <disk_max_used_pct>%f</disk_max_used_pct>\n", disk_max_used_pct);
}
if (mask.disk_min_free_gb) {
f.printf(" <disk_min_free_gb>%f</disk_min_free_gb>\n", disk_min_free_gb);
}
if (mask.vm_max_used_frac) {
f.printf(" <vm_max_used_pct>%f</vm_max_used_pct>\n", vm_max_used_frac*100);
}
if (mask.ram_max_used_busy_frac) {
f.printf(" <ram_max_used_busy_pct>%f</ram_max_used_busy_pct>\n", ram_max_used_busy_frac*100);
}
if (mask.ram_max_used_idle_frac) {
f.printf(" <ram_max_used_idle_pct>%f</ram_max_used_idle_pct>\n", ram_max_used_idle_frac*100);
}
if (mask.idle_time_to_run) {
f.printf(" <idle_time_to_run>%f</idle_time_to_run>\n", idle_time_to_run);
}
if (mask.max_bytes_sec_up) {
f.printf(" <max_bytes_sec_up>%f</max_bytes_sec_up>\n", max_bytes_sec_up);
}
if (mask.max_bytes_sec_down) {
f.printf(" <max_bytes_sec_down>%f</max_bytes_sec_down>\n", max_bytes_sec_down);
}
if (mask.cpu_usage_limit) {
f.printf(" <cpu_usage_limit>%f</cpu_usage_limit>\n", cpu_usage_limit);
}
f.printf("</global_preferences>\n");
return 0;
}
const char *BOINC_RCSID_3fb442bb02 = "$Id$";
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