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boinc/lib/prefs.C

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// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
#ifdef _WIN32
#include "boinc_win.h"
#endif
#ifndef _WIN32
#include <cstdio>
#include <cstring>
#include <cstdlib>
#endif
#include "parse.h"
#include "error_numbers.h"
#include "prefs.h"
// The following values determine how the client behaves
// if there are no global prefs (e.g. on our very first RPC).
// - 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;
run_minimized = false;
run_on_startup = false;
leave_apps_in_memory = false;
confirm_before_connecting = false;
hangup_if_dialed = false;
work_buf_min_days = 0.1;
max_cpus = 1;
cpu_scheduling_period_minutes = 60;
disk_interval = 60;
disk_max_used_gb = 1;
disk_max_used_pct = 50;
disk_min_free_gb = 0.1;
vm_max_used_pct = 75;
idle_time_to_run = 3;
max_bytes_sec_up = 1e9;
max_bytes_sec_down = 1e9;
//max_memory_mbytes = 128;
proc_priority = 1;
cpu_affinity = -1;
// don't initialize source_project, source_scheduler here
// since they are outside of <venue> elements
};
// 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;
run_minimized = false;
run_on_startup = false;
hangup_if_dialed = false;
}
GLOBAL_PREFS::GLOBAL_PREFS() {
defaults();
}
// Parse XML global prefs.
// 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.
//
int GLOBAL_PREFS::parse(FILE* in, char* host_venue, bool& found_venue) {
char buf[256], buf2[256];
bool in_venue = false, in_correct_venue=false;
defaults();
clear_bools();
strcpy(source_project, "");
strcpy(source_scheduler, "");
found_venue = false;
while (fgets(buf, 256, in)) {
if (in_venue) {
if (match_tag(buf, "</venue>")) {
if (in_correct_venue) {
break;
} else {
in_venue = false;
continue;
}
} else {
if (!in_correct_venue) continue;
}
} else {
if (match_tag(buf, "<venue")) {
in_venue = true;
parse_attr(buf, "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 (match_tag(buf, "<global_preferences>")) {
continue;
} else if (parse_str(buf, "<source_project>", source_project, sizeof(source_project))) {
continue;
} else if (parse_str(buf, "<source_scheduler>", source_scheduler, sizeof(source_scheduler))) {
continue;
} else if (parse_int(buf, "<mod_time>", mod_time)) {
continue;
} else if (match_tag(buf, "</global_preferences>")) {
break;
} else if (match_tag(buf, "<run_on_batteries/>")) {
run_on_batteries = true;
continue;
} else if (match_tag(buf, "<run_if_user_active/>")) {
run_if_user_active = true;
continue;
} else if (parse_int(buf, "<start_hour>", start_hour)) {
continue;
} else if (parse_int(buf, "<end_hour>", end_hour)) {
continue;
} else if (match_tag(buf, "<leave_apps_in_memory/>")) {
leave_apps_in_memory = true;
continue;
} else if (match_tag(buf, "<confirm_before_connecting/>")) {
confirm_before_connecting = true;
continue;
} else if (match_tag(buf, "<hangup_if_dialed/>")) {
hangup_if_dialed = true;
continue;
} else if (match_tag(buf, "<run_minimized/>")) {
run_minimized = true;
continue;
} else if (match_tag(buf, "<run_on_startup/>")) {
run_on_startup = true;
continue;
//} else if (parse_double(buf, "<work_buf_max_days>", work_buf_max_days)) {
// continue;
} else if (parse_double(buf, "<work_buf_min_days>", work_buf_min_days)) {
continue;
} else if (parse_int(buf, "<max_cpus>", max_cpus)) {
if (max_cpus < 1) max_cpus = 1;
continue;
} else if (parse_double(buf, "<disk_interval>", disk_interval)) {
if (disk_interval<0) disk_interval = 0;
continue;
} else if (parse_double(buf, "<cpu_scheduling_period_minutes>", cpu_scheduling_period_minutes)) {
if (cpu_scheduling_period_minutes < 1) cpu_scheduling_period_minutes = 60;
continue;
} else if (parse_double(buf, "<disk_max_used_gb>", disk_max_used_gb)) {
continue;
} else if (parse_double(buf, "<disk_max_used_pct>", disk_max_used_pct)) {
continue;
} else if (parse_double(buf, "<disk_min_free_gb>", disk_min_free_gb)) {
continue;
} else if (parse_double(buf, "<vm_max_used_pct>", vm_max_used_pct)) {
continue;
} else if (parse_double(buf, "<idle_time_to_run>", idle_time_to_run)) {
continue;
} else if (parse_double(buf, "<max_bytes_sec_up>", max_bytes_sec_up)) {
if (max_bytes_sec_up <= 0) max_bytes_sec_up = 1e12;
continue;
} else if (parse_double(buf, "<max_bytes_sec_down>", max_bytes_sec_down)) {
if (max_bytes_sec_down <= 0) max_bytes_sec_down = 1e12;
continue;
#if 0
} else if (parse_int(buf, "<max_memory_mbytes>", max_memory_mbytes)) {
continue;
#endif
} else if (parse_int(buf, "<cpu_affinity>", cpu_affinity)) {
continue;
}
}
return 0;
}
// Parse global prefs file
//
int GLOBAL_PREFS::parse_file(
char* filename, char* host_venue, bool& found_venue
) {
FILE* f;
int retval;
f = fopen(filename, "r");
if (!f) return ERR_FOPEN;
retval = parse(f, host_venue, found_venue);
fclose(f);
return retval;
}
// this is used only to write the app init data file
//
int GLOBAL_PREFS::write(FILE* f) {
fprintf(f,
"<global_preferences>\n"
" <mod_time>%d</mod_time>\n"
"%s%s"
" <start_hour>%d</start_hour>\n"
" <end_hour>%d</end_hour>\n"
"%s%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"
" <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"
"</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,
leave_apps_in_memory?" <leave_apps_in_memory/>\n":"",
confirm_before_connecting?" <confirm_before_connecting/>\n":"",
run_minimized?" <run_minimized/>\n":"",
run_on_startup?" <run_on_startup/>\n":"",
hangup_if_dialed?" <hangup_if_dialed/>\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_pct,
idle_time_to_run,
max_bytes_sec_up,
max_bytes_sec_down
);
return 0;
}
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