boinc/client/cs_statefile.C

360 lines
11 KiB
C

// 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 "stdafx.h"
#endif
#include "parse.h"
#include "error_numbers.h"
#include "filesys.h"
#include "file_names.h"
#include "client_msgs.h"
#include "client_state.h"
void CLIENT_STATE::set_client_state_dirty(char* source) {
log_messages.printf(CLIENT_MSG_LOG::DEBUG_STATE, "set dirty: %s\n", source);
client_state_dirty = true;
}
// Parse the client_state.xml file
//
int CLIENT_STATE::parse_state_file() {
char buf[256];
PROJECT temp_project, *project=NULL;
int retval=0;
int failnum;
SCOPE_MSG_LOG scope_messages(log_messages, CLIENT_MSG_LOG::DEBUG_STATE);
if (!boinc_file_exists(STATE_FILE_NAME)) {
scope_messages.printf("CLIENT_STATE::parse_state_file(): No state file; will create one\n");
// avoid warning messages about version
//
old_major_version = MAJOR_VERSION;
old_minor_version = MINOR_VERSION;
return ERR_FOPEN;
}
FILE* f = fopen(STATE_FILE_NAME, "r");
fgets(buf, 256, f);
if (!match_tag(buf, "<client_state>")) {
retval = ERR_XML_PARSE;
goto done;
}
while (fgets(buf, 256, f)) {
if (match_tag(buf, "</client_state>")) {
retval = 0;
break;
} else if (match_tag(buf, "<project>")) {
temp_project.parse_state(f);
project = lookup_project(temp_project.master_url);
if (project) {
project->copy_state_fields(temp_project);
} else {
msg_printf(NULL, MSG_ERROR, "Project %s found in state file but not prefs.\n",
temp_project.master_url);
}
} else if (match_tag(buf, "<app>")) {
APP* app = new APP;
app->parse(f);
if (project) {
retval = link_app(project, app);
if (!retval) apps.push_back(app);
} else {
delete app;
}
} else if (match_tag(buf, "<file_info>")) {
FILE_INFO* fip = new FILE_INFO;
fip->parse(f, false);
if (project) {
retval = link_file_info(project, fip);
if (!retval) file_infos.push_back(fip);
// If the file had a failure before, there's no reason
// to start another file transfer
if (fip->had_failure(failnum)) {
if (fip->pers_file_xfer) delete fip->pers_file_xfer;
fip->pers_file_xfer = NULL;
}
// Init PERS_FILE_XFER and push it onto pers_file_xfer stack
if (fip->pers_file_xfer) {
fip->pers_file_xfer->init(fip, fip->upload_when_present);
retval = pers_file_xfers->insert( fip->pers_file_xfer );
}
} else {
delete fip;
}
} else if (match_tag(buf, "<app_version>")) {
APP_VERSION* avp = new APP_VERSION;
avp->parse(f);
if (project) {
retval = link_app_version(project, avp);
if (!retval) app_versions.push_back(avp);
} else {
delete avp;
}
} else if (match_tag(buf, "<workunit>")) {
WORKUNIT* wup = new WORKUNIT;
wup->parse(f);
if (project) {
retval = link_workunit(project, wup);
if (!retval) workunits.push_back(wup);
} else {
delete wup;
}
} else if (match_tag(buf, "<result>")) {
RESULT* rp = new RESULT;
rp->parse_state(f);
if (project) {
retval = link_result(project, rp);
if (!retval) results.push_back(rp);
} else {
msg_printf(NULL, MSG_ERROR,
"<result> found before any project\n"
);
delete rp;
}
} else if (match_tag(buf, "<host_info>")) {
retval = host_info.parse(f);
if (retval) goto done;
} else if (match_tag(buf, "<time_stats>")) {
retval = time_stats.parse(f);
if (retval) goto done;
} else if (match_tag(buf, "<net_stats>")) {
retval = net_stats.parse(f);
if (retval) goto done;
} else if (match_tag(buf, "<active_task_set>")) {
retval = active_tasks.parse(f, this);
if (retval) goto done;
} else if (match_tag(buf, "<platform_name>")) {
// should match our current platform name
} else if (match_tag(buf, "<version>")) {
// could put logic here to detect incompatible state files
// after core client update
} else if (parse_int(buf, "<core_client_major_version>", old_major_version)) {
} else if (parse_int(buf, "<core_client_minor_version>", old_minor_version)) {
} else if (match_tag(buf, "<proxy_info>")) {
retval = pi.parse(f);
if (retval) goto done;
// } else if (parse_int(buf, "<user_run_request/>")) {
} else if (parse_str(buf, "<host_venue>", host_venue, sizeof(host_venue))) {
} else {
msg_printf(NULL, MSG_ERROR, "CLIENT_STATE::parse_state_file: unrecognized: %s\n", buf);
}
}
done:
fclose(f);
return retval;
}
// read just the venue from the state file.
//
int CLIENT_STATE::parse_venue() {
char buf[256];
if (!boinc_file_exists(STATE_FILE_NAME)) return 0;
FILE* f = fopen(STATE_FILE_NAME, "r");
while (fgets(buf, 256, f)) {
if (match_tag(buf, "</client_state>")) {
break;
}
if (parse_str(buf, "<host_venue>", host_venue, sizeof(host_venue))) {
break;
}
}
fclose(f);
return 0;
}
// Write the client_state.xml file
//
int CLIENT_STATE::write_state_file() {
FILE* f = boinc_fopen(STATE_FILE_TEMP, "w");
int retval;
SCOPE_MSG_LOG scope_messages(log_messages, CLIENT_MSG_LOG::DEBUG_STATE);
scope_messages.printf("CLIENT_STATE::write_state_file(): Writing state file\n");
if (!f) {
msg_printf(0, MSG_ERROR, "Can't open temp state file: %s\n", STATE_FILE_TEMP);
return ERR_FOPEN;
}
retval = write_state(f);
fclose(f);
if (retval) return retval;
retval = boinc_rename(STATE_FILE_TEMP, STATE_FILE_NAME);
scope_messages.printf("CLIENT_STATE::write_state_file(): Done writing state file\n");
if (retval) return ERR_RENAME;
return 0;
}
int CLIENT_STATE::write_state(FILE* f) {
unsigned int i, j;
int retval;
fprintf(f, "<client_state>\n");
retval = host_info.write(f);
if (retval) return retval;
retval = time_stats.write(f, false);
if (retval) return retval;
retval = net_stats.write(f, false);
if (retval) return retval;
for (j=0; j<projects.size(); j++) {
PROJECT* p = projects[j];
retval = p->write_state(f);
if (retval) return retval;
for (i=0; i<apps.size(); i++) {
if (apps[i]->project == p) {
retval = apps[i]->write(f);
if (retval) return retval;
}
}
for (i=0; i<file_infos.size(); i++) {
if (file_infos[i]->project == p) {
retval = file_infos[i]->write(f, false);
if (retval) return retval;
}
}
for (i=0; i<app_versions.size(); i++) {
if (app_versions[i]->project == p) app_versions[i]->write(f);
}
for (i=0; i<workunits.size(); i++) {
if (workunits[i]->project == p) workunits[i]->write(f);
}
for (i=0; i<results.size(); i++) {
if (results[i]->project == p) results[i]->write(f, false);
}
}
active_tasks.write(f);
fprintf(f,
"<platform_name>%s</platform_name>\n"
"<core_client_major_version>%d</core_client_major_version>\n"
"<core_client_minor_version>%d</core_client_minor_version>\n",
platform_name,
core_client_major_version,
core_client_minor_version
);
// save proxy info
//
pi.write(f);
#if 0
fprintf(f, "<user_run_request>%d</user_run_request>\n", user_run_request);
#endif
if (strlen(host_venue)) {
fprintf(f, "<host_venue>%s</host_venue>\n", host_venue);
}
fprintf(f, "</client_state>\n");
return 0;
}
// Write the client_state.xml file if necessary
// TODO: write no more often than X seconds
//
int CLIENT_STATE::write_state_file_if_needed() {
int retval;
if (client_state_dirty) {
client_state_dirty = false;
retval = write_state_file();
if (retval) return retval;
}
return 0;
}
// look for app_versions.xml file in project dir.
// If find, get app versions from there,
// and use "anonymous platform" mechanism for this project
//
void CLIENT_STATE::check_anonymous() {
unsigned int i;
char dir[256], path[256];
FILE* f;
int retval;
for (i=0; i<projects.size(); i++) {
PROJECT* p = projects[i];
get_project_dir(p, dir);
sprintf(path, "%s%s%s", dir, PATH_SEPARATOR, APP_INFO_FILE_NAME);
f = fopen(path, "r");
if (!f) continue;
msg_printf(p, MSG_INFO, "Found app info; using anonymous platform\n");
p->anonymous_platform = true;
// flag as anonymous even if can't parse file
retval = parse_app_info(p, f);
fclose(f);
}
}
int CLIENT_STATE::parse_app_info(PROJECT* p, FILE* in) {
char buf[256];
while (fgets(buf, 256, in)) {
if (match_tag(buf, "<app_info>")) continue;
if (match_tag(buf, "</app_info>")) return 0;
if (match_tag(buf, "<file_info>")) {
FILE_INFO* fip = new FILE_INFO;
if (fip->parse(in, false)) {
delete fip;
continue;
}
if (link_file_info(p, fip)) {
delete fip;
continue;
}
fip->status = FILE_PRESENT;
file_infos.push_back(fip);
continue;
}
if (match_tag(buf, "<app>")) {
APP* app = new APP;
if (app->parse(in)) {
delete app;
continue;
}
if (lookup_app(p, app->name)) {
delete app;
continue;
}
link_app(p, app);
apps.push_back(app);
continue;
}
if (match_tag(buf, "<app_version>")) {
APP_VERSION* avp = new APP_VERSION;
if (avp->parse(in)) {
delete avp;
continue;
}
if (gstate.link_app_version(p, avp)) {
delete avp;
continue;
}
link_app_version(p, avp);
app_versions.push_back(avp);
continue;
}
}
return ERR_XML_PARSE;
}