boinc/client/app_config.cpp

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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2012 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/>.
#include "filesys.h"
#include "client_msgs.h"
#include "client_state.h"
#include "client_types.h"
#include "project.h"
#include "result.h"
#include "app_config.h"
bool have_max_concurrent = false;
int APP_CONFIG::parse(XML_PARSER& xp, PROJECT* p) {
memset(this, 0, sizeof(APP_CONFIG));
while (!xp.get_tag()) {
if (xp.match_tag("/app")) return 0;
if (xp.parse_str("name", name, 256)) continue;
if (xp.parse_int("max_concurrent", max_concurrent)) {
if (max_concurrent) have_max_concurrent = true;
continue;
}
if (xp.match_tag("gpu_versions")) {
while (!xp.get_tag()) {
if (xp.match_tag("/gpu_versions")) break;
if (xp.parse_double("gpu_usage", gpu_gpu_usage)) continue;
if (xp.parse_double("cpu_usage", gpu_cpu_usage)) continue;
}
continue;
}
if (log_flags.unparsed_xml) {
msg_printf(p, MSG_INFO,
"Unparsed line in app_info.xml: %s",
xp.parsed_tag
);
}
xp.skip_unexpected(log_flags.unparsed_xml, "APP_CONFIG::parse");
}
return ERR_XML_PARSE;
}
int APP_CONFIGS::parse(XML_PARSER& xp, PROJECT* p) {
app_configs.clear();
if (!xp.parse_start("app_config")) return ERR_XML_PARSE;
while (!xp.get_tag()) {
if (xp.match_tag("/app_config")) return 0;
if (xp.match_tag("app")) {
APP_CONFIG ac;
int retval = ac.parse(xp, p);
if (!retval) {
app_configs.push_back(ac);
}
continue;
}
if (log_flags.unparsed_xml) {
msg_printf(p, MSG_INFO,
"Unparsed line in app_info.xml: %s",
xp.parsed_tag
);
}
xp.skip_unexpected(log_flags.unparsed_xml, "APP_CONFIGS::parse");
}
return ERR_XML_PARSE;
}
int APP_CONFIGS::parse_file(FILE* f, PROJECT* p) {
MIOFILE mf;
XML_PARSER xp(&mf);
mf.init_file(f);
int retval = parse(xp, p);
return retval;
}
void APP_CONFIGS::config_app_versions(PROJECT* p, bool show_warnings) {
for (unsigned int i=0; i<app_configs.size(); i++) {
APP_CONFIG& ac = app_configs[i];
APP* app = gstate.lookup_app(p, ac.name);
if (!app) {
if (show_warnings) {
msg_printf(p, MSG_USER_ALERT,
"Your app_config.xml file refers to an unknown application '%s'. Known applications: %s",
ac.name, app_list_string(p).c_str()
);
}
continue;
}
app->max_concurrent = ac.max_concurrent;
if (!ac.gpu_gpu_usage || !ac.gpu_cpu_usage) continue;
for (unsigned int j=0; j<gstate.app_versions.size(); j++) {
APP_VERSION* avp = gstate.app_versions[j];
if (avp->app != app) continue;
if (!avp->gpu_usage.rsc_type) continue;
avp->gpu_usage.usage = ac.gpu_gpu_usage;
avp->avg_ncpus = ac.gpu_cpu_usage;
}
}
}
void max_concurrent_init() {
for (unsigned int i=0; i<gstate.apps.size(); i++) {
gstate.apps[i]->n_concurrent = 0;
}
}
// undo the effects of an app_config.xml that no longer exists
// NOTE: all we can do here is to clear APP::max_concurrent;
// we can't restore device usage info because we don't have it.
// It will be restored on next scheduler RPC.
//
static void clear_app_config(PROJECT* p) {
for (unsigned int i=0; i<gstate.apps.size(); i++) {
APP* app = gstate.apps[i];
if (app->project != p) continue;
app->max_concurrent = 0;
}
}
void check_app_config() {
char path[MAXPATHLEN];
FILE* f;
for (unsigned int i=0; i<gstate.projects.size(); i++) {
PROJECT* p = gstate.projects[i];
sprintf(path, "%s/%s", p->project_dir(), APP_CONFIG_FILE_NAME);
f = boinc_fopen(path, "r");
if (!f) {
clear_app_config(p);
continue;
}
msg_printf(p, MSG_INFO,
"Found %s", APP_CONFIG_FILE_NAME
);
int retval = p->app_configs.parse_file(f, p);
if (!retval) {
p->app_configs.config_app_versions(p, true);
}
fclose(f);
}
}