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boinc/lib/app_ipc.cpp

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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 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/>.
#if defined(_WIN32) && !defined(__STDWX_H__)
#include "boinc_win.h"
#elif defined(_WIN32) && defined(__STDWX_H__)
#include "stdwx.h"
#else
#include "config.h"
#include <cstring>
#include <string>
#endif
#include "error_numbers.h"
#include "filesys.h"
#include "miofile.h"
#include "parse.h"
#include "str_replace.h"
#include "str_util.h"
#include "url.h"
#include "app_ipc.h"
#ifdef _MSC_VER
#define strdup _strdup
#endif
using std::string;
const char* xml_graphics_modes[NGRAPHICS_MSGS] = {
"<mode_unsupported/>",
"<mode_hide_graphics/>",
"<mode_window/>",
"<mode_fullscreen/>",
"<mode_blankscreen/>",
"<reread_prefs/>",
"<mode_quit/>"
};
GRAPHICS_MSG::GRAPHICS_MSG() {
memset(this, 0, sizeof(GRAPHICS_MSG));
}
APP_INIT_DATA::APP_INIT_DATA() : project_preferences(NULL) {
}
APP_INIT_DATA::~APP_INIT_DATA() {
if (project_preferences) {
free(project_preferences);
project_preferences=0; // paranoia
}
}
APP_INIT_DATA::APP_INIT_DATA(const APP_INIT_DATA& a) {
copy(a);
}
APP_INIT_DATA &APP_INIT_DATA::operator=(const APP_INIT_DATA& a) {
if (this != &a) {
copy(a);
}
return *this;
}
void APP_INIT_DATA::copy(const APP_INIT_DATA& a) {
strcpy(app_name, a.app_name);
strcpy(symstore, a.symstore);
strcpy(acct_mgr_url, a.acct_mgr_url);
strcpy(user_name, a.user_name);
strcpy(team_name, a.team_name);
strcpy(project_dir, a.project_dir);
strcpy(boinc_dir, a.boinc_dir);
strcpy(wu_name, a.wu_name);
strcpy(result_name, a.result_name);
strcpy(authenticator, a.authenticator);
memcpy(&shmem_seg_name, &a.shmem_seg_name, sizeof(SHMEM_SEG_NAME));
strcpy(gpu_type, a.gpu_type);
// use assignment for the rest, especially the classes
// (so that the overloaded operators are called!)
major_version = a.major_version;
minor_version = a.minor_version;
release = a.release;
app_version = a.app_version;
userid = a.userid;
teamid = a.teamid;
hostid = a.hostid;
slot = a.slot;
client_pid = a.client_pid;
user_total_credit = a.user_total_credit;
user_expavg_credit = a.user_expavg_credit;
host_total_credit = a.host_total_credit;
host_expavg_credit = a.host_expavg_credit;
resource_share_fraction = a.resource_share_fraction;
host_info = a.host_info;
proxy_info = a.proxy_info;
global_prefs = a.global_prefs;
starting_elapsed_time = a.starting_elapsed_time;
using_sandbox = a.using_sandbox;
rsc_fpops_est = a.rsc_fpops_est;
rsc_fpops_bound = a.rsc_fpops_bound;
rsc_memory_bound = a.rsc_memory_bound;
rsc_disk_bound = a.rsc_disk_bound;
computation_deadline = a.computation_deadline;
fraction_done_start = a.fraction_done_start;
fraction_done_end = a.fraction_done_end;
gpu_device_num = a.gpu_device_num;
gpu_opencl_dev_index = a.gpu_opencl_dev_index;
gpu_usage = a.gpu_usage;
ncpus = a.ncpus;
checkpoint_period = a.checkpoint_period;
wu_cpu_time = a.wu_cpu_time;
if (a.project_preferences) {
project_preferences = strdup(a.project_preferences);
} else {
project_preferences = NULL;
}
vbox_window = a.vbox_window;
}
int write_init_data_file(FILE* f, APP_INIT_DATA& ai) {
char buf[2048];
fprintf(f,
"<app_init_data>\n"
"<major_version>%d</major_version>\n"
"<minor_version>%d</minor_version>\n"
"<release>%d</release>\n"
"<app_version>%d</app_version>\n"
"<userid>%d</userid>\n"
"<teamid>%d</teamid>\n"
"<hostid>%d</hostid>\n",
ai.major_version,
ai.minor_version,
ai.release,
ai.app_version,
ai.userid,
ai.teamid,
ai.hostid
);
if (strlen(ai.app_name)) {
fprintf(f, "<app_name>%s</app_name>\n", ai.app_name);
}
if (strlen(ai.symstore)) {
fprintf(f, "<symstore>%s</symstore>\n", ai.symstore);
}
if (strlen(ai.acct_mgr_url)) {
fprintf(f, "<acct_mgr_url>%s</acct_mgr_url>\n", ai.acct_mgr_url);
}
if (ai.project_preferences && strlen(ai.project_preferences)) {
fprintf(f, "<project_preferences>\n%s</project_preferences>\n", ai.project_preferences);
}
if (strlen(ai.team_name)) {
xml_escape(ai.team_name, buf, sizeof(buf));
fprintf(f, "<team_name>%s</team_name>\n", buf);
}
if (strlen(ai.user_name)) {
xml_escape(ai.user_name, buf, sizeof(buf));
fprintf(f, "<user_name>%s</user_name>\n", buf);
}
if (strlen(ai.project_dir)) {
fprintf(f, "<project_dir>%s</project_dir>\n", ai.project_dir);
}
if (strlen(ai.boinc_dir)) {
fprintf(f, "<boinc_dir>%s</boinc_dir>\n", ai.boinc_dir);
}
if (strlen(ai.authenticator)) {
fprintf(f, "<authenticator>%s</authenticator>\n", ai.authenticator);
}
if (strlen(ai.wu_name)) {
fprintf(f, "<wu_name>%s</wu_name>\n", ai.wu_name);
}
if (strlen(ai.result_name)) {
fprintf(f, "<result_name>%s</result_name>\n", ai.result_name);
}
#ifdef _WIN32
if (strlen(ai.shmem_seg_name)) {
fprintf(f, "<comm_obj_name>%s</comm_obj_name>\n", ai.shmem_seg_name);
}
#else
fprintf(f, "<shm_key>%d</shm_key>\n", ai.shmem_seg_name);
#endif
fprintf(f,
"<slot>%d</slot>\n"
"<client_pid>%d</client_pid>\n"
"<wu_cpu_time>%f</wu_cpu_time>\n"
"<starting_elapsed_time>%f</starting_elapsed_time>\n"
"<using_sandbox>%d</using_sandbox>\n"
"<user_total_credit>%f</user_total_credit>\n"
"<user_expavg_credit>%f</user_expavg_credit>\n"
"<host_total_credit>%f</host_total_credit>\n"
"<host_expavg_credit>%f</host_expavg_credit>\n"
"<resource_share_fraction>%f</resource_share_fraction>\n"
"<checkpoint_period>%f</checkpoint_period>\n"
"<fraction_done_start>%f</fraction_done_start>\n"
"<fraction_done_end>%f</fraction_done_end>\n"
"<gpu_type>%s</gpu_type>\n"
"<gpu_device_num>%d</gpu_device_num>\n"
"<gpu_opencl_dev_index>%d</gpu_opencl_dev_index>\n"
"<gpu_usage>%f</gpu_usage>\n"
"<ncpus>%f</ncpus>\n"
"<rsc_fpops_est>%f</rsc_fpops_est>\n"
"<rsc_fpops_bound>%f</rsc_fpops_bound>\n"
"<rsc_memory_bound>%f</rsc_memory_bound>\n"
"<rsc_disk_bound>%f</rsc_disk_bound>\n"
"<computation_deadline>%f</computation_deadline>\n"
"<vbox_window>%d</vbox_window>\n",
ai.slot,
ai.client_pid,
ai.wu_cpu_time,
ai.starting_elapsed_time,
ai.using_sandbox?1:0,
ai.user_total_credit,
ai.user_expavg_credit,
ai.host_total_credit,
ai.host_expavg_credit,
ai.resource_share_fraction,
ai.checkpoint_period,
ai.fraction_done_start,
ai.fraction_done_end,
ai.gpu_type,
ai.gpu_device_num,
ai.gpu_opencl_dev_index,
ai.gpu_usage,
ai.ncpus,
ai.rsc_fpops_est,
ai.rsc_fpops_bound,
ai.rsc_memory_bound,
ai.rsc_disk_bound,
ai.computation_deadline,
ai.vbox_window
);
MIOFILE mf;
mf.init_file(f);
ai.host_info.write(mf, true, true);
ai.proxy_info.write(mf);
ai.global_prefs.write(mf);
fprintf(f, "</app_init_data>\n");
return 0;
}
void APP_INIT_DATA::clear() {
major_version = 0;
minor_version = 0;
release = 0;
app_version = 0;
strcpy(app_name, "");
strcpy(symstore, "");
strcpy(acct_mgr_url, "");
project_preferences = NULL;
userid = 0;
teamid = 0;
hostid = 0;
strcpy(user_name, "");
strcpy(team_name, "");
strcpy(project_dir, "");
strcpy(boinc_dir, "");
strcpy(wu_name, "");
strcpy(result_name, "");
strcpy(authenticator, "");
slot = 0;
client_pid = 0;
user_total_credit = 0;
user_expavg_credit = 0;
host_total_credit = 0;
host_expavg_credit = 0;
resource_share_fraction = 0;
host_info.clear_host_info();
proxy_info.clear();
global_prefs.defaults();
starting_elapsed_time = 0;
using_sandbox = false;
rsc_fpops_est = 0;
rsc_fpops_bound = 0;
rsc_memory_bound = 0;
rsc_disk_bound = 0;
computation_deadline = 0;
fraction_done_start = 0;
fraction_done_end = 0;
checkpoint_period = 0;
strcpy(gpu_type, "");
gpu_device_num = -1;
// -1 means an older version without gpu_opencl_dev_index field
gpu_opencl_dev_index = -1;
gpu_usage = 0;
ncpus = 0;
memset(&shmem_seg_name, 0, sizeof(shmem_seg_name));
wu_cpu_time = 0;
vbox_window = false;
}
int parse_init_data_file(FILE* f, APP_INIT_DATA& ai) {
int retval;
bool flag;
MIOFILE mf;
mf.init_file(f);
XML_PARSER xp(&mf);
if (!xp.parse_start("app_init_data")) {
fprintf(stderr, "no start tag in app init data\n");
return ERR_XML_PARSE;
}
if (ai.project_preferences) {
free(ai.project_preferences);
ai.project_preferences = 0;
}
ai.clear();
ai.fraction_done_start = 0;
ai.fraction_done_end = 1;
while (!xp.get_tag()) {
if (!xp.is_tag) {
fprintf(stderr,
"unexpected text in init_data.xml: %s\n", xp.parsed_tag
);
continue;
}
if (xp.match_tag("/app_init_data")) return 0;
if (xp.match_tag("project_preferences")) {
retval = dup_element(f, "project_preferences", &ai.project_preferences);
if (retval) return retval;
continue;
}
if (xp.match_tag("global_preferences")) {
GLOBAL_PREFS_MASK mask;
retval = ai.global_prefs.parse(xp, "", flag, mask);
if (retval) return retval;
continue;
}
if (xp.match_tag("host_info")) {
ai.host_info.parse(xp);
continue;
}
if (xp.match_tag("proxy_info")) {
ai.proxy_info.parse(xp);
continue;
}
if (xp.parse_int("major_version", ai.major_version)) continue;
if (xp.parse_int("minor_version", ai.minor_version)) continue;
if (xp.parse_int("release", ai.release)) continue;
if (xp.parse_int("app_version", ai.app_version)) continue;
if (xp.parse_str("app_name", ai.app_name, sizeof(ai.app_name))) continue;
if (xp.parse_str("symstore", ai.symstore, sizeof(ai.symstore))) continue;
if (xp.parse_str("acct_mgr_url", ai.acct_mgr_url, sizeof(ai.acct_mgr_url))) continue;
if (xp.parse_int("userid", ai.userid)) continue;
if (xp.parse_int("teamid", ai.teamid)) continue;
if (xp.parse_int("hostid", ai.hostid)) continue;
if (xp.parse_str("user_name", ai.user_name, sizeof(ai.user_name))) {
xml_unescape(ai.user_name);
continue;
}
if (xp.parse_str("team_name", ai.team_name, sizeof(ai.team_name))) {
xml_unescape(ai.team_name);
continue;
}
if (xp.parse_str("project_dir", ai.project_dir, sizeof(ai.project_dir))) continue;
if (xp.parse_str("boinc_dir", ai.boinc_dir, sizeof(ai.boinc_dir))) continue;
if (xp.parse_str("authenticator", ai.authenticator, sizeof(ai.authenticator))) continue;
if (xp.parse_str("wu_name", ai.wu_name, sizeof(ai.wu_name))) continue;
if (xp.parse_str("result_name", ai.result_name, sizeof(ai.result_name))) continue;
#ifdef _WIN32
if (xp.parse_str("comm_obj_name", ai.shmem_seg_name, sizeof(ai.shmem_seg_name))) continue;
#else
if (xp.parse_int("shm_key", ai.shmem_seg_name)) continue;
#endif
if (xp.parse_int("slot", ai.slot)) continue;
if (xp.parse_int("client_pid", ai.client_pid)) continue;
if (xp.parse_double("user_total_credit", ai.user_total_credit)) continue;
if (xp.parse_double("user_expavg_credit", ai.user_expavg_credit)) continue;
if (xp.parse_double("host_total_credit", ai.host_total_credit)) continue;
if (xp.parse_double("host_expavg_credit", ai.host_expavg_credit)) continue;
if (xp.parse_double("resource_share_fraction", ai.resource_share_fraction)) continue;
if (xp.parse_double("rsc_fpops_est", ai.rsc_fpops_est)) continue;
if (xp.parse_double("rsc_fpops_bound", ai.rsc_fpops_bound)) continue;
if (xp.parse_double("rsc_memory_bound", ai.rsc_memory_bound)) continue;
if (xp.parse_double("rsc_disk_bound", ai.rsc_disk_bound)) continue;
if (xp.parse_double("computation_deadline", ai.computation_deadline)) continue;
if (xp.parse_double("wu_cpu_time", ai.wu_cpu_time)) continue;
if (xp.parse_double("starting_elapsed_time", ai.starting_elapsed_time)) continue;
if (xp.parse_bool("using_sandbox", ai.using_sandbox)) continue;
if (xp.parse_double("checkpoint_period", ai.checkpoint_period)) continue;
if (xp.parse_str("gpu_type", ai.gpu_type, sizeof(ai.gpu_type))) continue;
if (xp.parse_int("gpu_device_num", ai.gpu_device_num)) continue;
if (xp.parse_int("gpu_opencl_dev_index", ai.gpu_opencl_dev_index)) continue;
if (xp.parse_double("gpu_usage", ai.gpu_usage)) continue;
if (xp.parse_double("ncpus", ai.ncpus)) continue;
if (xp.parse_double("fraction_done_start", ai.fraction_done_start)) continue;
if (xp.parse_double("fraction_done_end", ai.fraction_done_end)) continue;
if (xp.parse_bool("vbox_window", ai.vbox_window)) continue;
xp.skip_unexpected(false, "parse_init_data_file");
}
fprintf(stderr, "parse_init_data_file: no end tag\n");
return ERR_XML_PARSE;
}
APP_CLIENT_SHM::APP_CLIENT_SHM() : shm(NULL) {
}
bool MSG_CHANNEL::get_msg(char *msg) {
if (!buf[0]) return false;
strlcpy(msg, buf+1, MSG_CHANNEL_SIZE-1);
buf[0] = 0;
return true;
}
bool MSG_CHANNEL::send_msg(const char *msg) {
if (has_msg()) return false;
strlcpy(buf+1, msg, MSG_CHANNEL_SIZE-1);
buf[0] = 1;
return true;
}
void MSG_CHANNEL::send_msg_overwrite(const char* msg) {
strlcpy(buf+1, msg, MSG_CHANNEL_SIZE-1);
buf[0] = 1;
}
int APP_CLIENT_SHM::decode_graphics_msg(char* msg, GRAPHICS_MSG& m) {
int i;
parse_str(msg, "<window_station>", m.window_station, sizeof(m.window_station));
parse_str(msg, "<desktop>", m.desktop, sizeof(m.desktop));
parse_str(msg, "<display>", m.display, sizeof(m.display));
m.mode = 0;
for (i=0; i<NGRAPHICS_MSGS; i++) {
if (match_tag(msg, xml_graphics_modes[i])) {
m.mode = i;
}
}
return 0;
}
void APP_CLIENT_SHM::reset_msgs() {
memset(shm, 0, sizeof(SHARED_MEM));
}
// Resolve virtual name (in slot dir) to physical path (in project dir).
// Cases:
// - Windows and pre-6.12 Unix:
// virtual name refers to a "soft link" (XML file acting as symbolic link)
// - 6.12+ Unix:
// virtual name is a symbolic link
// - Standalone: physical path is same as virtual name
//
int boinc_resolve_filename(
const char *virtual_name, char *physical_name, int len
) {
FILE *fp;
char buf[512], *p;
if (!virtual_name) return ERR_NULL;
strlcpy(physical_name, virtual_name, len);
#ifndef _WIN32
if (is_symlink(virtual_name)) {
return 0;
}
#endif
// Open the link file and read the first line
//
fp = boinc_fopen(virtual_name, "r");
if (!fp) return 0;
// must initialize buf since fgets() on an empty file won't do anything
//
buf[0] = 0;
p =fgets(buf, sizeof(buf), fp);
fclose(fp);
// If it's the <soft_link> XML tag, return its value,
// otherwise, return the original file name
//
if (p) parse_str(buf, "<soft_link>", physical_name, len);
return 0;
}
// same, std::string version
//
int boinc_resolve_filename_s(const char *virtual_name, string& physical_name) {
char buf[512], *p;
if (!virtual_name) return ERR_NULL;
physical_name = virtual_name;
#ifndef _WIN32
if (is_symlink(virtual_name)) {
return 0;
}
#endif
FILE *fp = boinc_fopen(virtual_name, "r");
if (!fp) return 0;
buf[0] = 0;
p = fgets(buf, 512, fp);
fclose(fp);
if (p) parse_str(buf, "<soft_link>", physical_name);
return 0;
}
void url_to_project_dir(char* url, char* dir) {
char buf[256];
escape_project_url(url, buf);
sprintf(dir, "%s/%s", PROJECT_DIR, buf);
}
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