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boinc/client/client_state.C

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// The contents of this file are subject to the Mozilla 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://www.mozilla.org/MPL/
//
// 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, 2003
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
#include "windows_cpp.h"
#include "error_numbers.h"
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if HAVE_SYS_SIGNAL_H
#include <sys/signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
#include "parse.h"
#include "util.h"
#include "error_numbers.h"
#include "filesys.h"
#include "account.h"
#include "file_names.h"
#include "hostinfo.h"
#include "http.h"
#include "log_flags.h"
#include "speed_stats.h"
#include "client_state.h"
#define BENCHMARK_PERIOD (SECONDS_PER_DAY*30)
// rerun CPU benchmarks this often (hardware may have been upgraded)
CLIENT_STATE gstate;
CLIENT_STATE::CLIENT_STATE() {
net_xfers = new NET_XFER_SET;
http_ops = new HTTP_OP_SET(net_xfers);
file_xfers = new FILE_XFER_SET(http_ops);
pers_xfers = new PERS_FILE_XFER_SET(file_xfers);
scheduler_op = new SCHEDULER_OP(http_ops);
client_state_dirty = false;
exit_when_idle = false;
run_cpu_benchmarks = false;
skip_cpu_benchmarks = false;
file_xfer_giveup_period = PERS_GIVEUP;
contacted_sched_server = false;
activities_suspended = false;
core_client_major_version = MAJOR_VERSION;
core_client_minor_version = MINOR_VERSION;
platform_name = HOSTTYPE;
exit_after_app_start_secs = 0;
app_started = 0;
exit_before_upload = false;
user_idle = true;
use_http_proxy = false;
use_socks_proxy = false;
show_projects = false;
strcpy(detach_project_url, "");
strcpy(proxy_server_name, "");
proxy_server_port = 80;
strcpy(socks_user_name, "");
strcpy(socks_user_passwd, "");
strcpy(host_venue, "");
suspend_requested = false;
start_saver = false;
requested_exit = false;
#ifdef _WIN32
cpu_benchmarks_handle = NULL;
#endif
cpu_benchmarks_id = 0;
master_fetch_period = MASTER_FETCH_PERIOD;
retry_base_period = RETRY_BASE_PERIOD;
retry_cap = RETRY_CAP;
master_fetch_retry_cap = MASTER_FETCH_RETRY_CAP;
master_fetch_interval = MASTER_FETCH_INTERVAL;
sched_retry_delay_min = SCHED_RETRY_DELAY_MIN;
sched_retry_delay_max = SCHED_RETRY_DELAY_MAX;
pers_retry_delay_min = PERS_RETRY_DELAY_MIN;
pers_retry_delay_max = PERS_RETRY_DELAY_MAX;
pers_giveup = PERS_GIVEUP;
}
#if 0
// Deallocate memory to prevent unneeded reporting of memory leaks
//
void CLIENT_STATE::free_mem() {
vector<PROJECT*>::iterator proj_iter;
vector<APP*>::iterator app_iter;
vector<FILE_INFO*>::iterator fi_iter;
vector<APP_VERSION*>::iterator av_iter;
vector<WORKUNIT*>::iterator wu_iter;
vector<RESULT*>::iterator res_iter;
PROJECT *proj;
APP *app;
FILE_INFO *fi;
APP_VERSION *av;
WORKUNIT *wu;
RESULT *res;
proj_iter = projects.begin();
while (proj_iter != projects.end()) {
proj = projects[0];
proj_iter = projects.erase(proj_iter);
delete proj;
}
app_iter = apps.begin();
while (app_iter != apps.end()) {
app = apps[0];
app_iter = apps.erase(app_iter);
delete app;
}
fi_iter = file_infos.begin();
while (fi_iter != file_infos.end()) {
fi = file_infos[0];
fi_iter = file_infos.erase(fi_iter);
delete fi;
}
av_iter = app_versions.begin();
while (av_iter != app_versions.end()) {
av = app_versions[0];
av_iter = app_versions.erase(av_iter);
delete av;
}
wu_iter = workunits.begin();
while (wu_iter != workunits.end()) {
wu = workunits[0];
wu_iter = workunits.erase(wu_iter);
delete wu;
}
res_iter = results.begin();
while (res_iter != results.end()) {
res = results[0];
res_iter = results.erase(res_iter);
delete res;
}
active_tasks.free_mem();
}
#endif
void CLIENT_STATE::install_global_prefs() {
net_xfers->max_bytes_sec_up = global_prefs.max_bytes_sec_up;
net_xfers->max_bytes_sec_down = global_prefs.max_bytes_sec_down;
net_xfers->bytes_left_up = global_prefs.max_bytes_sec_up;
net_xfers->bytes_left_down = global_prefs.max_bytes_sec_down;
}
int CLIENT_STATE::init() {
int retval;
unsigned int i;
srand(time(NULL));
language.read_language_file(LANGUAGE_FILE_NAME);
// parse account files.
// If there are none, prompt user for project URL and create file
//
retval = parse_account_files();
if (projects.size() == 0) {
retval = add_new_project();
if (retval) {
printf("can't get initial project\n");
return retval;
}
retval = parse_account_files();
if (projects.size() == 0) {
if (retval) {
printf("can't get initial project\n");
return retval;
}
}
}
// Parse the client state file,
// ignoring any <project> tags (and associated stuff)
// for projects with no account file
//
clear_host_info(host_info);
parse_state_file();
if (log_flags.state_debug) {
print_summary();
}
if (show_projects) {
printf("projects:\n");
for (i=0; i<projects.size(); i++) {
printf("URL: %s name: %s\n",
projects[i]->master_url, projects[i]->project_name
);
}
exit(0);
}
if (strlen(detach_project_url)) {
PROJECT* project = lookup_project(detach_project_url);
if (project) {
detach_project(project);
} else {
printf("project %s not found\n", detach_project_url);
}
exit(0);
}
if (strlen(reset_project_url)) {
PROJECT* project = lookup_project(reset_project_url);
if (project) {
reset_project(project);
} else {
printf("project %s not found\n", reset_project_url);
}
exit(0);
}
if (strlen(update_prefs_url)) {
PROJECT* project = lookup_project(update_prefs_url);
if (project) {
project->sched_rpc_pending = true;
} else {
printf("project %s not found\n", update_prefs_url);
}
}
msg_printf(NULL, MSG_INFO, "Starting BOINC client version %d.%02d",
core_client_major_version, core_client_minor_version);
if (core_client_major_version != old_major_version) {
msg_printf(NULL, MSG_INFO,
"State file has different major version (%d.%02d); resetting projects\n",
old_major_version, old_minor_version
);
for (i=0; i<projects.size(); i++) {
reset_project(projects[i]);
}
}
// Read the global preferences file, if it exists.
// Do this after reading the state file so we know our venue
//
retval = global_prefs.parse_file(host_venue);
if (retval) {
msg_printf(NULL, MSG_INFO, "Using default preferences");
}
install_global_prefs();
// Getting host info is very fast, so we can do it anytime
//
get_host_info(host_info);
// running CPU benchmarks is slow, so do it infrequently
//
if (should_run_cpu_benchmarks()) {
cpu_benchmarks_start = time(0);
msg_printf(NULL, MSG_INFO, "Running CPU benchmarks");
#ifdef _WIN32
cpu_benchmarks_handle = CreateThread(
NULL, 0, win_cpu_benchmarks, NULL, 0, &cpu_benchmarks_id
);
#else
cpu_benchmarks_id = fork();
if (cpu_benchmarks_id == 0) {
_exit(cpu_benchmarks());
}
#endif
}
set_nslots();
// set up the project and slot directories
//
retval = make_project_dirs();
if (retval) return retval;
// Restart any tasks that were running when we last quit the client
//
restart_tasks();
return 0;
}
int CLIENT_STATE::set_nslots() {
int retval;
// Set nslots to actual # of CPUs (or less, depending on prefs)
//
if (host_info.p_ncpus > 0) {
nslots = host_info.p_ncpus;
} else {
nslots = 1;
}
if (nslots > global_prefs.max_cpus) nslots = global_prefs.max_cpus;
retval = make_slot_dirs();
if (retval) return retval;
return 0;
}
// Returns true if CPU benchmarks should be run:
// flag is set or it's been a month since we last ran
//
bool CLIENT_STATE::should_run_cpu_benchmarks() {
// Note: we if skip_cpu_benchmarks we still should "run" cpu benchmarks
// (we'll just use default values in cpu_benchmarks())
return (
run_cpu_benchmarks ||
(difftime(time(0), (time_t)host_info.p_calculated) > BENCHMARK_PERIOD)
);
}
#ifdef _WIN32
DWORD WINAPI CLIENT_STATE::win_cpu_benchmarks(LPVOID) {
return gstate.cpu_benchmarks();
}
#endif
// gets info about the host
// NOTE: this locks up the process for 10-20 seconds,
// so it should be called very seldom
//
int CLIENT_STATE::cpu_benchmarks() {
HOST_INFO host_info;
FILE* finfo;
double fpop_test_secs = 3.3;
double iop_test_secs = 3.3;
double mem_test_secs = 3.3;
clear_host_info(host_info);
if (log_flags.measurement_debug) {
printf("Running CPU benchmarks.\n");
}
if (skip_cpu_benchmarks) {
if (log_flags.measurement_debug) {
msg_printf(0, MSG_INFO, "Skipping CPU benchmarks\n");
}
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
} else {
if (log_flags.measurement_debug) {
printf(
"Running floating point test for about %.1f seconds.\n",
fpop_test_secs
);
}
run_double_prec_test(fpop_test_secs, host_info.p_fpops);
if (log_flags.measurement_debug) {
printf(
"Running integer test for about %.1f seconds.\n",
iop_test_secs
);
}
run_int_test(iop_test_secs, host_info.p_iops);
if (log_flags.measurement_debug) {
printf(
"Running memory bandwidth test for about %.1f seconds.\n",
mem_test_secs
);
}
run_mem_bandwidth_test(mem_test_secs, host_info.p_membw);
// need to check cache!!
host_info.m_cache = 1e6;
}
host_info.p_calculated = (double)time(0);
finfo = fopen(CPU_BENCHMARKS_FILE_NAME, "w");
if(!finfo) return ERR_FOPEN;
host_info.write_cpu_benchmarks(finfo);
fclose(finfo);
return 0;
}
// checks if the CPU benchmarks are running
//
int CLIENT_STATE::check_cpu_benchmarks() {
FILE* finfo;
int retval;
if (cpu_benchmarks_id) {
#ifdef _WIN32
DWORD exit_code = 0;
GetExitCodeThread(cpu_benchmarks_handle, &exit_code);
if(exit_code == STILL_ACTIVE) {
if(time(NULL) > cpu_benchmarks_start + MAX_CPU_BENCHMARKS_SECONDS) {
msg_printf(NULL, MSG_ERROR, "CPU benchmarks timed out, using default values");
TerminateThread(cpu_benchmarks_handle, 0);
CloseHandle(cpu_benchmarks_handle);
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
cpu_benchmarks_id = 0;
return CPU_BENCHMARKS_ERROR;
}
return CPU_BENCHMARKS_RUNNING;
}
CloseHandle(cpu_benchmarks_handle);
#else
int exit_code = 0;
retval = waitpid(cpu_benchmarks_id, &exit_code, WNOHANG);
if(retval == 0) {
if((unsigned int)time(NULL) > cpu_benchmarks_start + MAX_CPU_BENCHMARKS_SECONDS) {
msg_printf(NULL, MSG_ERROR, "CPU benchmarks timed out, using default values");
kill(cpu_benchmarks_id, SIGKILL);
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
cpu_benchmarks_id = 0;
return CPU_BENCHMARKS_ERROR;
}
return CPU_BENCHMARKS_RUNNING;
}
#endif
cpu_benchmarks_id = 0;
msg_printf(NULL, MSG_INFO, "CPU benchmarks complete");
finfo = fopen(CPU_BENCHMARKS_FILE_NAME, "r");
if (!finfo) {
msg_printf(NULL, MSG_ERROR, "Can't open CPU benchmark file, using default values");
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
return CPU_BENCHMARKS_ERROR;
}
retval = host_info.parse_cpu_benchmarks(finfo);
fclose(finfo);
if (retval) return CPU_BENCHMARKS_ERROR;
file_delete(CPU_BENCHMARKS_FILE_NAME);
return CPU_BENCHMARKS_COMPLETE;
}
return CPU_BENCHMARKS_NOT_RUNNING;
}
// Return the maximum allowed disk usage as determined by user preferences.
// There are three different settings in the prefs;
// return the least of the three.
//
int CLIENT_STATE::allowed_disk_usage(double& size) {
double percent_space, min_val;
percent_space = host_info.d_total*global_prefs.disk_max_used_pct;
min_val = host_info.d_free - global_prefs.disk_min_free_gb*(1024.*1024.*1024.);
size = min(min(global_prefs.disk_max_used_gb*(1024.*1024.*1024.), percent_space), min_val);
if(size < 0) size = 0;
return 0;
}
int CLIENT_STATE::project_disk_usage(PROJECT* p, double& size) {
char buf[256],buf2[256];
escape_project_url(p->master_url, buf);
sprintf(buf2, "%s%s%s", PROJECTS_DIR, PATH_SEPARATOR, buf);
return dir_size(buf2, size);
}
int CLIENT_STATE::current_disk_usage(double& size) {
return dir_size(".", size);
}
// estimate how long a WU will take on this host
//
double CLIENT_STATE::estimate_cpu_time(WORKUNIT& wu) {
double x;
x = wu.rsc_fpops/host_info.p_fpops;
x += wu.rsc_iops/host_info.p_iops;
return x;
}
// See if (on the basis of user prefs) we should suspend activities.
// If so, suspend tasks
//
int CLIENT_STATE::check_suspend_activities() {
bool should_suspend = false;
char susp_msg[256];
if (!global_prefs.run_on_batteries && host_is_running_on_batteries()) {
sprintf(susp_msg, "Suspending activity - on batteries");
should_suspend = true;
}
// user_idle and suspend_requested are set in the Mac/Win GUI code
//
if (!user_idle) {
should_suspend = true;
sprintf(susp_msg, "Suspending activity - user is active");
}
if (suspend_requested) {
should_suspend = true;
sprintf(susp_msg, "Suspending activity - user request");
}
if (global_prefs.start_hour != global_prefs.end_hour) {
time_t t = time(0);
struct tm *tmp = localtime(&t);
bool ok;
if (global_prefs.start_hour < global_prefs.end_hour) {
ok = false;
if (tmp->tm_hour >= global_prefs.start_hour && tmp->tm_hour < global_prefs.end_hour) {
ok = true;
}
} else {
ok = true;
if (tmp->tm_hour >= global_prefs.end_hour && tmp->tm_hour < global_prefs.start_hour) {
ok = false;
}
}
if (!ok) {
should_suspend = true;
sprintf(susp_msg, "Suspending activity - time of day");
}
}
// Don't work while we're running CPU benchmarks
//
if (check_cpu_benchmarks() == CPU_BENCHMARKS_RUNNING) {
should_suspend = true;
sprintf(susp_msg, "Suspending activity - running CPU benchmarks");
}
if (should_suspend) {
if (!activities_suspended) {
active_tasks.suspend_all();
msg_printf(NULL, MSG_INFO, susp_msg);
}
} else {
if (activities_suspended) {
active_tasks.unsuspend_all();
msg_printf(NULL, MSG_INFO, "Resuming activity");
}
}
activities_suspended = should_suspend;
return 0;
}
static void print_log(char* p) {
if (log_flags.poll_debug) {
printf(p);
}
}
// sleep up to x seconds,
// but if network I/O becomes possible,
// wake up and do as much as limits allow.
// If suspended, just sleep x seconds
//
int CLIENT_STATE::net_sleep(double x) {
if (activities_suspended) {
boinc_sleep(x);
return 0;
} else {
return net_xfers->net_sleep(x);
}
}
// do_something polls each of the client's finite-state machine layers,
// possibly triggering state transitions.
// Returns true if something happened
// (in which case should call this again immediately)
//
bool CLIENT_STATE::do_something() {
bool action = false, x;
check_suspend_activities();
if (check_cpu_benchmarks() == CPU_BENCHMARKS_RUNNING) return false;
print_log("Polling; active layers:\n");
net_stats.poll(*net_xfers);
ss_logic.poll();
x = scheduler_rpc_poll();
if (x) {action=true; print_log("scheduler_rpc\n"); }
if (activities_suspended) {
print_log("None (suspended)\n");
} else {
// Call these functions in bottom to top order with
// respect to the FSM hierarchy
x = net_xfers->poll();
if (x) { action=true; print_log("net_xfers\n"); }
x = http_ops->poll();
if (x) {action=true; print_log("http_ops\n"); }
x = file_xfers->poll();
if (x) {action=true; print_log("file_xfers\n"); }
x = active_tasks.poll();
if (x) {action=true; print_log("active_tasks::poll\n"); }
x = scheduler_rpc_poll();
if (x) {action=true; print_log("scheduler_rpc\n"); }
x = start_apps();
if (x) {action=true; print_log("start_apps\n"); }
x = pers_xfers->poll();
if (x) {action=true; print_log("pers_xfers\n"); }
x = handle_finished_apps();
if (x) {action=true; print_log("handle_finished_apps\n"); }
x = handle_pers_file_xfers();
if (x) {action=true; print_log("handle_pers_file_xfers\n"); }
x = garbage_collect();
if (x) {action=true; print_log("garbage_collect\n"); }
x = update_results();
if (x) {action=true; print_log("update_results\n"); }
if (write_state_file_if_needed()) {
msg_printf(NULL, MSG_ERROR, "Couldn't write state file");
}
}
print_log("End poll\n");
if (!action) {
time_stats.update(true, !activities_suspended);
}
return action;
}
// Parse the client_state.xml file
//
int CLIENT_STATE::parse_state_file() {
char buf[256];
FILE* f = fopen(STATE_FILE_NAME, "r");
PROJECT temp_project, *project=NULL;
int retval=0;
int failnum;
if (!f) {
if (log_flags.state_debug) {
printf("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;
}
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_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, "<use_http_proxy/>")) {
use_http_proxy = true;
} else if (match_tag(buf, "<use_socks_proxy/>")) {
use_socks_proxy = true;
} else if (parse_str(buf, "<proxy_server_name>", proxy_server_name, sizeof(proxy_server_name))) {
} else if (parse_int(buf, "<proxy_server_port>", proxy_server_port)) {
} else if (parse_str(buf, "<socks_user_name>", socks_user_name, sizeof(socks_user_name))) {
} else if (parse_str(buf, "<socks_user_passwd>", socks_user_passwd, sizeof(socks_user_passwd))) {
} else if (match_tag(buf, "<suspend_requested/>")) {
suspend_requested = true;
} 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;
}
// Write the client_state.xml file
//
int CLIENT_STATE::write_state_file() {
unsigned int i, j;
FILE* f = fopen(STATE_FILE_TEMP, "w");
int retval;
if (log_flags.state_debug) {
printf("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;
}
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
//
fprintf(f,
"%s"
"%s"
"<proxy_server_name>%s</proxy_server_name>\n"
"<proxy_server_port>%d</proxy_server_port>\n"
"<socks_user_name>%s</socks_user_name>\n"
"<socks_user_passwd>%s</socks_user_passwd>\n",
use_http_proxy?"<use_http_proxy/>\n":"",
use_socks_proxy?"<use_socks_proxy/>\n":"",
proxy_server_name,
proxy_server_port,
socks_user_name,
socks_user_passwd
);
// Save user suspend requests
if (suspend_requested) {
fprintf(f, "<suspend_requested/>\n");
}
if (strlen(host_venue)) {
fprintf(f, "<host_venue>%s</host_venue>\n", host_venue);
}
fprintf(f, "</client_state>\n");
fclose(f);
retval = boinc_rename(STATE_FILE_TEMP, STATE_FILE_NAME);
if (log_flags.state_debug) {
printf("Done writing state file\n");
}
if (retval) return ERR_RENAME;
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;
long idle = time(0) - last_write_state_file;
if (client_state_dirty && idle > global_prefs.disk_interval) {
client_state_dirty = false;
retval = write_state_file();
if (retval) return retval;
time(&last_write_state_file);
}
return 0;
}
// See if the project specified by master_url already exists
// in the client state record. Ignore any trailing "/" characters
//
PROJECT* CLIENT_STATE::lookup_project(char* master_url) {
int len1, len2;
char *mu;
len1 = strlen(master_url);
if (master_url[strlen(master_url)-1] == '/') len1--;
for (unsigned int i=0; i<projects.size(); i++) {
mu = projects[i]->master_url;
len2 = strlen(mu);
if (mu[strlen(mu)-1] == '/') len2--;
if (!strncmp(master_url, projects[i]->master_url, max(len1,len2))) {
return projects[i];
}
}
return 0;
}
APP* CLIENT_STATE::lookup_app(PROJECT* p, char* name) {
for (unsigned int i=0; i<apps.size(); i++) {
APP* app = apps[i];
if (app->project == p && !strcmp(name, app->name)) return app;
}
return 0;
}
RESULT* CLIENT_STATE::lookup_result(PROJECT* p, char* name) {
for (unsigned int i=0; i<results.size(); i++) {
RESULT* rp = results[i];
if (rp->project == p && !strcmp(name, rp->name)) return rp;
}
return 0;
}
WORKUNIT* CLIENT_STATE::lookup_workunit(PROJECT* p, char* name) {
for (unsigned int i=0; i<workunits.size(); i++) {
WORKUNIT* wup = workunits[i];
if (wup->project == p && !strcmp(name, wup->name)) return wup;
}
return 0;
}
APP_VERSION* CLIENT_STATE::lookup_app_version(APP* app, int version_num) {
for (unsigned int i=0; i<app_versions.size(); i++) {
APP_VERSION* avp = app_versions[i];
if (avp->app == app && version_num==avp->version_num) {
return avp;
}
}
return 0;
}
FILE_INFO* CLIENT_STATE::lookup_file_info(PROJECT* p, char* name) {
for (unsigned int i=0; i<file_infos.size(); i++) {
FILE_INFO* fip = file_infos[i];
if (fip->project == p && !strcmp(fip->name, name)) {
return fip;
}
}
return 0;
}
// Find the active task for a given result
//
ACTIVE_TASK* CLIENT_STATE::lookup_active_task_by_result(RESULT* rep) {
for (unsigned int i = 0; i < active_tasks.active_tasks.size(); i ++) {
if (active_tasks.active_tasks[i]->result == rep) {
return active_tasks.active_tasks[i];
}
}
return NULL;
}
// functions to create links between state objects
// (which, in their XML form, reference one another by name)
//
int CLIENT_STATE::link_app(PROJECT* p, APP* app) {
app->project = p;
return 0;
}
int CLIENT_STATE::link_file_info(PROJECT* p, FILE_INFO* fip) {
fip->project = p;
return 0;
}
int CLIENT_STATE::link_app_version(PROJECT* p, APP_VERSION* avp) {
APP* app;
FILE_INFO* fip;
FILE_REF file_ref;
unsigned int i;
avp->project = p;
app = lookup_app(p, avp->app_name);
if (!app) {
msg_printf(0, MSG_ERROR, "app_version refers to nonexistent app: %s\n", avp->app_name);
return 1;
}
avp->app = app;
for (i=0; i<avp->app_files.size(); i++) {
file_ref = avp->app_files[i];
fip = lookup_file_info(p, file_ref.file_name);
if (!fip) {
msg_printf(0, MSG_ERROR, "app_version refers to nonexistent file: %s\n",
file_ref.file_name);
return 1;
}
// any executable file associated with an app version must be signed
//
if (fip->executable) {
fip->signature_required = true;
}
avp->app_files[i].file_info = fip;
}
return 0;
}
int CLIENT_STATE::link_file_ref(PROJECT* p, FILE_REF* file_refp) {
FILE_INFO* fip;
fip = lookup_file_info(p, file_refp->file_name);
if (!fip) {
msg_printf(0, MSG_ERROR, "File ref refers to nonexistent file: %s\n", file_refp->file_name);
return 1;
}
file_refp->file_info = fip;
return 0;
}
int CLIENT_STATE::link_workunit(PROJECT* p, WORKUNIT* wup) {
APP* app;
APP_VERSION* avp;
unsigned int i;
int retval;
app = lookup_app(p, wup->app_name);
if (!app) {
msg_printf(0, MSG_ERROR, "WU refers to nonexistent app: %s\n", wup->app_name);
return 1;
}
avp = lookup_app_version(app, wup->version_num);
if (!avp) {
msg_printf(0, MSG_ERROR, "WU refers to nonexistent app_version: %s %d\n",
wup->app_name, wup->version_num);
return 1;
}
wup->project = p;
wup->app = app;
wup->avp = avp;
for (i=0; i<wup->input_files.size(); i++) {
retval = link_file_ref(p, &wup->input_files[i]);
if (retval) return retval;
}
return 0;
}
int CLIENT_STATE::link_result(PROJECT* p, RESULT* rp) {
WORKUNIT* wup;
unsigned int i;
int retval;
wup = lookup_workunit(p, rp->wu_name);
if (!wup) {
fprintf(stderr, "result refers to nonexistent WU: %s\n", rp->wu_name);
return 1;
}
rp->project = p;
rp->wup = wup;
rp->app = wup->app;
for (i=0; i<rp->output_files.size(); i++) {
retval = link_file_ref(p, &rp->output_files[i]);
if (retval) {
msg_printf(0, MSG_ERROR, "link_result: link_file_ref failed\n");
return retval;
}
}
return 0;
}
int CLIENT_STATE::latest_version_num(char* app_name) {
unsigned int i;
int best = -1;
APP_VERSION* avp;
for (i=0; i<app_versions.size(); i++) {
avp = app_versions[i];
if (strcmp(avp->app_name, app_name)) continue;
if (avp->version_num < best) continue;
best = avp->version_num;
}
if (best < 0) {
msg_printf(0, MSG_ERROR, "CLIENT_STATE::latest_version_num: no version\n");
}
return best;
}
// Print debugging information about how many projects/files/etc
// are currently in the client state record
//
void CLIENT_STATE::print_summary() {
unsigned int i;
int t;
if (!log_flags.state_debug) return;
printf("Client state summary:\n");
printf(" %d projects\n", (int)projects.size());
for (i=0; i<projects.size(); i++) {
printf(" %s", projects[i]->master_url);
t = projects[i]->min_rpc_time;
if (t) {
printf(" min RPC %d seconds from now", (int)(t-time(0)));
}
printf("\n");
}
printf(" %d file_infos\n", (int)file_infos.size());
for (i=0; i<file_infos.size(); i++) {
printf(" %s status:%d %s\n", file_infos[i]->name, file_infos[i]->status, file_infos[i]->pers_file_xfer?"active":"inactive");
}
printf(" %d app_versions\n", (int)app_versions.size());
for (i=0; i<app_versions.size(); i++) {
printf(" %s %d\n", app_versions[i]->app_name, app_versions[i]->version_num);
}
printf(" %d workunits\n", (int)workunits.size());
for (i=0; i<workunits.size(); i++) {
printf(" %s\n", workunits[i]->name);
}
printf(" %d results\n", (int)results.size());
for (i=0; i<results.size(); i++) {
printf(" %s state:%d\n", results[i]->name, results[i]->state);
}
printf(" %d persistent file xfers\n", (int)pers_xfers->pers_file_xfers.size());
for (i=0; i<pers_xfers->pers_file_xfers.size(); i++) {
printf(" %s http op state: %d\n", pers_xfers->pers_file_xfers[i]->fip->name, (pers_xfers->pers_file_xfers[i]->fxp?pers_xfers->pers_file_xfers[i]->fxp->http_op_state:-1));
}
printf(" %d active tasks\n", (int)active_tasks.active_tasks.size());
for (i=0; i<active_tasks.active_tasks.size(); i++) {
printf(" %s\n", active_tasks.active_tasks[i]->result->name);
}
}
// delete unneeded records and files
//
bool CLIENT_STATE::garbage_collect() {
unsigned int i, j;
int failnum;
FILE_INFO* fip;
RESULT* rp;
WORKUNIT* wup;
APP_VERSION* avp, *avp2;
vector<RESULT*>::iterator result_iter;
vector<WORKUNIT*>::iterator wu_iter;
vector<FILE_INFO*>::iterator fi_iter;
vector<APP_VERSION*>::iterator avp_iter;
bool action = false, found;
// zero references counts on WUs, FILE_INFOs and APP_VERSIONs
for (i=0; i<workunits.size(); i++) {
wup = workunits[i];
wup->ref_cnt = 0;
}
for (i=0; i<file_infos.size(); i++) {
fip = file_infos[i];
fip->ref_cnt = 0;
}
for (i=0; i<app_versions.size(); i++) {
avp = app_versions[i];
avp->ref_cnt = 0;
}
// delete RESULTs that have been finished and reported;
// reference-count files referred to by other results
//
result_iter = results.begin();
while (result_iter != results.end()) {
rp = *result_iter;
if (rp->server_ack) {
if (log_flags.state_debug) printf("deleting result %s\n", rp->name);
delete rp;
result_iter = results.erase(result_iter);
action = true;
} else {
// See if the files for this result's workunit had
// any errors (MD5, RSA, etc)
//
if (rp->wup->had_failure(failnum)) {
// If we don't already have an error for this file
if (!rp->ready_to_ack) {
// the wu corresponding to this result
// had an error downloading some input file(s).
//
report_result_error(*rp, 0, "Couldn't get input files");
}
}
rp->wup->ref_cnt++;
for (i=0; i<rp->output_files.size(); i++) {
// If one of the file infos had a failure,
// mark the result as done and report the error.
// The result, workunits, and file infos
// will be cleaned up after the server is notified
//
if(rp->output_files[i].file_info->had_failure(failnum)) {
if (!rp->ready_to_ack) {
// had an error uploading a file for this result
//
switch(failnum) {
case ERR_FILE_TOO_BIG:
report_result_error(*rp, 0, "Output file exceeded size limit");
break;
default:
report_result_error(*rp, 0, "Couldn't upload files or other output file error");
}
}
}
rp->output_files[i].file_info->ref_cnt++;
}
result_iter++;
}
}
// delete WORKUNITs not referenced by any result;
// reference-count files and APP_VERSIONs referred to by other WUs
//
wu_iter = workunits.begin();
while (wu_iter != workunits.end()) {
wup = *wu_iter;
if (wup->ref_cnt == 0) {
if (log_flags.state_debug) {
printf("deleting workunit %s\n", wup->name);
}
delete wup;
wu_iter = workunits.erase(wu_iter);
action = true;
} else {
for (i=0; i<wup->input_files.size(); i++) {
wup->input_files[i].file_info->ref_cnt++;
}
wup->avp->ref_cnt++;
wu_iter++;
}
}
// go through APP_VERSIONs;
// delete any not referenced by any WORKUNIT
// and having a more recent version.
//
avp_iter = app_versions.begin();
while (avp_iter != app_versions.end()) {
avp = *avp_iter;
if (avp->ref_cnt == 0) {
found = false;
for (j=0; j<app_versions.size(); j++) {
avp2 = app_versions[j];
if (avp2->app==avp->app && avp2->version_num>avp->version_num) {
found = true;
break;
}
}
if (found) {
delete avp;
avp_iter = app_versions.erase(avp_iter);
action = true;
} else {
avp_iter++;
}
} else {
avp_iter++;
}
}
// Then go through remaining APP_VERSIONs,
// bumping refcnt of associated files.
//
for (i=0; i<app_versions.size(); i++) {
avp = app_versions[i];
for (j=0; j<avp->app_files.size(); j++) {
avp->app_files[j].file_info->ref_cnt++;
}
}
// delete FILE_INFOs (and corresponding files) that are not sticky
// and are not referenced by any WORKUNIT, RESULT or APP_VERSION
//
fi_iter = file_infos.begin();
while (fi_iter != file_infos.end()) {
fip = *fi_iter;
if (fip->ref_cnt==0 && !fip->sticky) {
fip->delete_file();
if (log_flags.state_debug) printf("deleting file %s\n", fip->name);
delete fip;
fi_iter = file_infos.erase(fi_iter);
action = true;
} else {
fi_iter++;
}
}
if (action && log_flags.state_debug) {
print_summary();
}
return action;
}
// update the state of results
//
bool CLIENT_STATE::update_results() {
RESULT* rp;
vector<RESULT*>::iterator result_iter;
bool action = false;
// delete RESULTs that have been finished and reported;
// reference-count files referred to by other results
//
result_iter = results.begin();
while (result_iter != results.end()) {
rp = *result_iter;
// The result has been received by the scheduling
// server. It will be deleted on the next
// garbage collection, which we trigger by
// setting action to true
if (rp->server_ack)
action = true;
switch (rp->state) {
case RESULT_NEW:
rp->state = RESULT_FILES_DOWNLOADING;
action = true;
break;
case RESULT_FILES_DOWNLOADING:
if (input_files_available(rp)) {
rp->state = RESULT_FILES_DOWNLOADED;
action = true;
}
break;
case RESULT_FILES_DOWNLOADED:
// The transition to COMPUTE_DONE is performed
// in app_finished()
break;
case RESULT_COMPUTE_DONE:
// Once the computation has been done, check
// that the necessary files have been uploaded
// before moving on
rp->state = RESULT_FILES_UPLOADING;
action = true;
break;
case RESULT_FILES_UPLOADING:
if (rp->is_upload_done()) {
rp->ready_to_ack = true;
rp->state = RESULT_FILES_UPLOADED;
action = true;
}
break;
case RESULT_FILES_UPLOADED:
break;
}
result_iter++;
}
return action;
}
// Parse the command line arguments passed to the client
// NOTE: init() has not been called at this point
// (i.e. client_state.xml has not been parsed)
//
void CLIENT_STATE::parse_cmdline(int argc, char** argv) {
int i;
for (i=1; i<argc; i++) {
if (!strcmp(argv[i], "-exit_when_idle")) {
exit_when_idle = true;
} else if (!strcmp(argv[i], "-skip_cpu_benchmarks")) {
skip_cpu_benchmarks = true;
} else if (!strcmp(argv[i], "-exit_after_app_start")) {
exit_after_app_start_secs = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-file_xfer_giveup_period")) {
file_xfer_giveup_period = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-min")) {
global_prefs.run_minimized = true;
} else if (!strcmp(argv[i], "-saver")) {
start_saver = true;
} else if (!strncmp(argv[i], "-psn_", strlen("-psn_"))) {
// ignore -psn argument on Mac OS X
} else if (!strcmp(argv[i], "-exit_before_upload")) {
exit_before_upload = true;
// The following are only used for testing to alter scheduler/file transfer
// backoff rates
} else if (!strcmp(argv[i], "-master_fetch_period")) {
master_fetch_period = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-retry_base_period")) {
retry_base_period = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-retry_cap")) {
retry_cap = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-master_fetch_retry_cap")) {
master_fetch_retry_cap = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-master_fetch_interval")) {
master_fetch_interval = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-sched_retry_delay_min")) {
sched_retry_delay_min = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-sched_retry_delay_max")) {
sched_retry_delay_max = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-pers_retry_delay_min")) {
pers_retry_delay_min = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-pers_retry_delay_max")) {
pers_retry_delay_max = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-pers_giveup")) {
pers_giveup = atoi(argv[++i]);
// the above options are private (i.e. not shown by -help)
} else if (!strcmp(argv[i], "-show_projects")) {
show_projects = true;
} else if (!strcmp(argv[i], "-detach_project")) {
strcpy(detach_project_url, argv[++i]);
} else if (!strcmp(argv[i], "-reset_project")) {
strcpy(reset_project_url, argv[++i]);
} else if (!strcmp(argv[i], "-update_prefs")) {
strcpy(update_prefs_url, argv[++i]);
} else if (!strcmp(argv[i], "-run_cpu_benchmarks")) {
run_cpu_benchmarks = true;
} else if (!strcmp(argv[i], "-attach_project")) {
add_new_project();
} else if (!strcmp(argv[i], "-version")) {
printf( "%.2f %s\n", MAJOR_VERSION+(MINOR_VERSION/100.0), HOSTTYPE );
exit(0);
} else if (!strcmp(argv[i], "-help")) {
printf(
"Usage: %s [options]\n"
" -version show version info\n"
" -attach_project attach to a project (will prompt for URL, account key)\n"
" -update_prefs contact all projects to update preferences\n"
" -run_cpu_benchmarks run the CPU benchmarks\n",
argv[0]
);
exit(0);
} else {
printf("Unknown option: %s\n", argv[i]);
exit(1);
}
}
}
void CLIENT_STATE::parse_env_vars() {
char *p, temp[256];
if ((p = getenv("HTTP_PROXY"))) {
if (strlen(p) > 0) {
use_http_proxy = true;
parse_url(p, proxy_server_name, proxy_server_port, temp);
}
}
if ((p = getenv("SOCKS_SERVER"))) {
if (strlen(p) > 0) {
use_socks_proxy = true;
parse_url(p, proxy_server_name, proxy_server_port, temp);
}
}
if ((p = getenv("SOCKS_USER"))) {
safe_strcpy(socks_user_name, p);
}
if ((p = getenv("SOCKS_PASSWD"))) {
safe_strcpy(socks_user_passwd, p);
}
}
// Returns true if client should exit because of debugging criteria
// (timeout or idle)
//
bool CLIENT_STATE::time_to_exit() {
if (!exit_when_idle && !exit_after_app_start_secs) return false;
if (exit_after_app_start_secs
&& app_started
&& (difftime(time(0), app_started) >= exit_after_app_start_secs)
) {
printf("exiting because time is up: %d\n", exit_after_app_start_secs);
return true;
}
if (exit_when_idle && (results.size() == 0) && contacted_sched_server) {
printf("exiting because no more results\n");
return true;
}
return false;
}
void CLIENT_STATE::set_client_state_dirty(char* source) {
if (log_flags.state_debug) {
printf("set dirty: %s\n", source);
}
client_state_dirty = true;
}
// Call this when a result has a nonrecoverable error.
// Append a description of the error to the stderr_out field of the result.
//
// Go through the input and output files for this result
// and generates error messages for upload/download failures.
//
// This function is called in the following situations:
// 1. When the active_task could not start or restart,
// in which case err_num is set to an OS-specific error_code.
// and err_msg has an OS-supplied string.
// 2. when we fail in downloading an input file or uploading an output file,
// in which case err_num and err_msg are zero.
// 3. When the active_task exits with a non_zero error code
// or it gets signaled.
//
int CLIENT_STATE::report_result_error(
RESULT& res, int err_num, char *err_msg
) {
char buf[MAX_BLOB_LEN];
unsigned int i;
int failnum;
// only do this once per result
//
if (res.ready_to_ack) {
return 0;
}
res.ready_to_ack = true;
sprintf(buf, "Unrecoverable error for result %s", res.name);
scheduler_op->backoff(res.project, buf);
sprintf(
buf,
"<message>%s</message>\n"
"<active_task_state>%d</active_task_state>\n"
"<exit_status>%d</exit_status>\n"
"<signal>%d</signal>\n",
err_msg,
res.active_task_state,
res.exit_status,
res.signal
);
if (strlen(res.stderr_out) + strlen(buf) < MAX_BLOB_LEN) {
strcat(res.stderr_out, buf );
}
if ((res.state == RESULT_FILES_DOWNLOADED) && err_num) {
sprintf(buf,"<couldnt_start>%d</couldnt_start>\n", err_num);
if (strlen(res.stderr_out) + strlen(buf) < MAX_BLOB_LEN) {
strcat(res.stderr_out, buf );
}
}
if (res.state == RESULT_NEW) {
for (i=0;i<res.wup->input_files.size();i++) {
if (res.wup->input_files[i].file_info->had_failure(failnum)) {
sprintf(buf,
"<download_error>\n"
" <file_name>%s</file_name>\n"
" <error_code>%d</error_code>\n"
"</download_error>\n",
res.wup->input_files[i].file_info->name, failnum
);
if (strlen(res.stderr_out) + strlen(buf) < MAX_BLOB_LEN ) {
strcat( res.stderr_out, buf );
}
}
}
}
if (res.state == RESULT_COMPUTE_DONE) {
for (i=0; i<res.output_files.size(); i++) {
if (res.output_files[i].file_info->had_failure(failnum)) {
sprintf(buf,
"<upload_error>\n"
" <file_name>%s</file_name>\n"
" <error_code>%d</error_code>\n"
"</upload_error>\n",
res.output_files[i].file_info->name, failnum
);
if (strlen(res.stderr_out) + strlen(buf) < MAX_BLOB_LEN ) {
strcat( res.stderr_out, buf );
}
}
}
}
return 0;
}
// "Reset" a project: (clear error conditions)
// - stop all active tasks
// - stop all file transfers
// - stop scheduler RPC if any
// - delete all workunits and results
// - delete all apps and app_versions
// - garbage collect to delete unneeded files
//
int CLIENT_STATE::reset_project(PROJECT* project) {
unsigned int i;
APP_VERSION* avp;
APP* app;
ACTIVE_TASK* atp;
vector<APP*>::iterator app_iter;
vector<APP_VERSION*>::iterator avp_iter;
RESULT* rp;
PERS_FILE_XFER* pxp;
for (i=0; i<active_tasks.active_tasks.size(); i++) {
atp = active_tasks.active_tasks[i];
if (atp->result->project == project) {
atp->abort();
active_tasks.remove(atp);
i--;
}
}
for (i=0; i<pers_xfers->pers_file_xfers.size(); i++) {
pxp = pers_xfers->pers_file_xfers[i];
if (pxp->fip->project == project) {
if (pxp->fxp) {
file_xfers->remove(pxp->fxp);
}
pers_xfers->remove(pxp);
i--;
}
}
if (scheduler_op->state != SCHEDULER_OP_STATE_IDLE
&& scheduler_op->project == project
) {
http_ops->remove(&scheduler_op->http_op);
}
for (i=0; i<results.size(); i++) {
rp = results[i];
if (rp->project == project) {
rp->server_ack = true;
}
}
avp_iter = app_versions.begin();
while (avp_iter != app_versions.end()) {
avp = *avp_iter;
if (avp->project == project) {
avp_iter = app_versions.erase(avp_iter);
} else {
avp_iter++;
}
}
app_iter = apps.begin();
while (app_iter != apps.end()) {
app = *app_iter;
if (app->project == project) {
app_iter = apps.erase(app_iter);
} else {
app_iter++;
}
}
garbage_collect();
write_state_file();
return 0;
}
// "Detach" a project:
// - Reset (see above)
// - delete all file infos
// - delete account file
// - delete account directory
//
int CLIENT_STATE::detach_project(PROJECT* project) {
vector<PROJECT*>::iterator iter;
PROJECT* p;
char path[256];
int retval;
reset_project(project);
// find project and remove it from the vector
//
for (iter = projects.begin(); iter != projects.end(); iter++) {
p = *iter;
if (p == project) {
projects.erase(iter);
break;
}
}
// delete account file
//
get_account_filename(project->master_url, path);
retval = file_delete(path);
// remove project directory and its contents
//
remove_project_dir(*project);
delete project;
write_state_file();
return 0;
}
// Takes a printf style formatted string, inserts the proper values,
// and passes it to show_message
// TODO: add translation functionality
//
void msg_printf(PROJECT *p, int priority, char *fmt, ...) {
char buf[512];
va_list ap;
if (fmt == NULL) return;
// Since Windows doesn't support vsnprintf, we have to do a
// workaround to prevent buffer overruns
//
if (strlen(fmt) > 512) fmt[511] = '\0';
va_start(ap, fmt); // Parses string for variables
vsprintf(buf, fmt, ap); // And convert symbols To actual numbers
va_end(ap); // Results are stored in text
show_message(p, buf, priority);
}
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