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boinc/lib/diagnostics.C

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// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This 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 2.1 of the License, or (at your option) any later version.
//
// This software 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.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// Stuff related to stderr/stdout direction and exception handling;
// used by both core client and by apps
#if defined(_WIN32) && !defined(__STDWX_H__) && !defined(_BOINC_WIN_) && !defined(_AFX_STDAFX_H_)
#include "boinc_win.h"
#endif
#ifdef __EMX__
#include <sys/stat.h>
#endif
#ifndef _WIN32
#include "config.h"
#include <cstring>
#include <cstdio>
#include <cstdarg>
#include <cstdlib>
#include "config.h"
#endif
#ifdef __APPLE__
#include "mac_backtrace.h"
#endif
#ifdef __GLIBC__
#include <execinfo.h>
#endif
#include "app_ipc.h"
#include "error_numbers.h"
#include "filesys.h"
#include "util.h"
#include "parse.h"
#include "diagnostics.h"
#if defined(_WIN32) && defined(_MSC_VER)
static _CrtMemState start_snapshot;
static _CrtMemState finish_snapshot;
static _CrtMemState difference_snapshot;
#endif
static int diagnostics_initialized = false;
static int flags;
static char stdout_log[256];
static char stdout_archive[256];
static FILE* stdout_file;
static char stderr_log[256];
static char stderr_archive[256];
static FILE* stderr_file;
static char boinc_dir[256];
static char boinc_install_dir[256];
static int boinc_proxy_enabled;
static char boinc_proxy[256];
static char symstore[256];
static int aborted_via_gui;
static int max_stderr_file_size = 2048*1024;
static int max_stdout_file_size = 2048*1024;
#if defined(_WIN32) && defined(_DEBUG)
// Trap ASSERTs and TRACEs from the CRT and spew them to stderr.
//
int __cdecl boinc_message_reporting(int reportType, char *szMsg, int *retVal){
(*retVal) = 0;
switch(reportType){
case _CRT_WARN:
case _CRT_ERROR:
if (flags & BOINC_DIAG_TRACETOSTDERR) {
fprintf(stderr, szMsg);
}
if (flags & BOINC_DIAG_TRACETOSTDOUT) {
fprintf(stdout, szMsg);
}
break;
case _CRT_ASSERT:
fprintf(stderr, "ASSERT: %s\n", szMsg);
(*retVal) = 1;
break;
}
return(TRUE);
}
#endif // _WIN32 && _DEBUG
// initialize the app diagnostic environment.
//
int boinc_init_diagnostics(int _flags) {
int modified_flags = BOINC_DIAG_BOINCAPPLICATION | _flags;
return diagnostics_init(modified_flags, BOINC_DIAG_STDOUT, BOINC_DIAG_STDERR);
}
// initialize the graphic diagnostic environment.
//
int boinc_init_graphics_diagnostics(int _flags) {
return diagnostics_init(
BOINC_DIAG_BOINCAPPLICATION | _flags,
BOINC_DIAG_GFX_STDOUT, BOINC_DIAG_GFX_STDERR
);
}
// Used to cleanup the diagnostics environment.
//
int boinc_finish_diag() {
return diagnostics_finish();
}
// to setup an unhandled exception filter on Windows
//
int boinc_install_signal_handlers() {
#ifdef _WIN32
SetUnhandledExceptionFilter(boinc_catch_signal);
#if _MSC_VER >= 1400
_set_invalid_parameter_handler(boinc_catch_signal_invalid_parameter);
#endif
#else //_WIN32
// register handlers for fatal internal signals
// so that they get reported in stderr.txt
// Do NOT catch SIGQUIT because core client uses that to kill app
//
boinc_set_signal_handler(SIGILL, boinc_catch_signal);
boinc_set_signal_handler(SIGABRT, boinc_catch_signal);
boinc_set_signal_handler(SIGBUS, boinc_catch_signal);
boinc_set_signal_handler(SIGSEGV, boinc_catch_signal);
boinc_set_signal_handler(SIGSYS, boinc_catch_signal);
boinc_set_signal_handler(SIGPIPE, boinc_catch_signal);
#endif //_WIN32
return 0;
}
// initialize the diagnostics environment.
//
int diagnostics_init(
int _flags, const char* stdout_prefix, const char* stderr_prefix
) {
// Check to see if we have already been called
if (diagnostics_initialized) {
return ERR_INVALID_PARAM;
} else {
diagnostics_initialized = true;
}
// Setup initial values
flags = _flags;
snprintf(stdout_log, sizeof(stdout_log), "%s.txt", stdout_prefix);
snprintf(stdout_archive, sizeof(stdout_archive), "%s.old", stdout_prefix);
snprintf(stderr_log, sizeof(stderr_log), "%s.txt", stderr_prefix);
snprintf(stderr_archive, sizeof(stderr_archive), "%s.old", stderr_prefix);
strcpy(boinc_dir, "");
strcpy(boinc_install_dir, "");
boinc_proxy_enabled = 0;
strcpy(boinc_proxy, "");
strcpy(symstore, "");
// Check for invalid parameter combinations
if ((flags & BOINC_DIAG_REDIRECTSTDERR) && (flags & BOINC_DIAG_REDIRECTSTDERROVERWRITE)) {
return ERR_INVALID_PARAM;
}
if ((flags & BOINC_DIAG_REDIRECTSTDOUT) && (flags & BOINC_DIAG_REDIRECTSTDOUTOVERWRITE)) {
return ERR_INVALID_PARAM;
}
// Archive any old stderr.txt and stdout.txt files, if requested
if (flags & BOINC_DIAG_ARCHIVESTDERR) {
boinc_copy(stderr_log, stderr_archive);
}
if (flags & BOINC_DIAG_ARCHIVESTDOUT) {
boinc_copy(stdout_log, stdout_archive);
}
// Redirect stderr and/or stdout, if requested
//
if (flags & BOINC_DIAG_REDIRECTSTDERR) {
stderr_file = freopen(stderr_log, "a", stderr);
if (!stderr_file) {
return ERR_FOPEN;
}
setbuf(stderr_file, 0);
}
if (flags & BOINC_DIAG_REDIRECTSTDERROVERWRITE) {
stderr_file = freopen(stderr_log, "w", stderr);
if (NULL == stderr_file) {
return ERR_FOPEN;
}
}
if (flags & BOINC_DIAG_REDIRECTSTDOUT) {
stdout_file = freopen(stdout_log, "a", stdout);
if (NULL == stdout_file) {
return ERR_FOPEN;
}
}
if (flags & BOINC_DIAG_REDIRECTSTDOUTOVERWRITE) {
stdout_file = freopen(stdout_log, "w", stdout);
if (NULL == stdout_file) {
return ERR_FOPEN;
}
}
#if defined(_WIN32)
#if defined(_DEBUG)
_CrtSetReportHook(boinc_message_reporting);
if (flags & BOINC_DIAG_MEMORYLEAKCHECKENABLED) {
SET_CRT_DEBUG_FIELD(_CRTDBG_LEAK_CHECK_DF);
}
if (flags & BOINC_DIAG_HEAPCHECKENABLED) {
if (flags & BOINC_DIAG_HEAPCHECKEVERYALLOC) {
SET_CRT_DEBUG_FIELD(_CRTDBG_CHECK_ALWAYS_DF);
} else {
SET_CRT_DEBUG_FIELD(_CRTDBG_CHECK_EVERY_1024_DF);
}
}
if (flags & BOINC_DIAG_BOINCAPPLICATION) {
if (flags & BOINC_DIAG_MEMORYLEAKCHECKENABLED) {
_CrtMemCheckpoint(&start_snapshot);
}
}
#endif // defined(_DEBUG)
// Initialize the thread list structure
// The data for this structure should be set by
// boinc_init or boinc_init_graphics.
diagnostics_init_thread_list();
diagnostics_init_unhandled_exception_monitor();
diagnostics_init_message_monitor();
#endif // defined(_WIN32)
// Install unhandled exception filters and signal traps.
if (BOINC_SUCCESS != boinc_install_signal_handlers()) {
return ERR_SIGNAL_OP;
}
// Store various pieces of inforation for future use.
if (flags & BOINC_DIAG_BOINCAPPLICATION) {
char buf[256];
char proxy_address[256];
int proxy_port;
MIOFILE mf;
FILE* p;
#ifdef _WIN32
LONG lReturnValue;
HKEY hkSetupHive;
DWORD dwSize = 0;
#endif
strcpy(buf, "");
strcpy(proxy_address, "");
proxy_port = 0;
p = fopen(INIT_DATA_FILE, "r");
if (p) {
mf.init_file(p);
while(mf.fgets(buf, sizeof(buf))) {
if (match_tag(buf, "</app_init_data>")) break;
else if (parse_str(buf, "<boinc_dir>", boinc_dir, 256)) continue;
else if (parse_str(buf, "<project_symstore>", symstore, 256)) continue;
else if (match_tag(buf, "<use_http_proxy/>")) {
boinc_proxy_enabled = true;
continue;
}
else if (parse_str(buf, "<http_server_name>", proxy_address, 256)) continue;
else if (parse_int(buf, "<http_server_port>", proxy_port)) continue;
}
fclose(p);
}
if (boinc_proxy_enabled) {
int buffer_used = snprintf(boinc_proxy, sizeof(boinc_proxy), "%s:%d", proxy_address, proxy_port);
if ((sizeof(boinc_proxy) == buffer_used) || (-1 == buffer_used)) {
boinc_proxy[sizeof(boinc_proxy)-1] = '\0';
}
}
#ifdef _WIN32
// Lookup the location of where BOINC was installed to and store
// that for future use.
lReturnValue = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
_T("SOFTWARE\\Space Sciences Laboratory, U.C. Berkeley\\BOINC Setup"),
0,
KEY_READ,
&hkSetupHive
);
if (lReturnValue == ERROR_SUCCESS) {
// How large does our buffer need to be?
dwSize = sizeof(boinc_install_dir);
lReturnValue = RegQueryValueEx(
hkSetupHive,
_T("INSTALLDIR"),
NULL,
NULL,
(LPBYTE)&boinc_install_dir,
&dwSize
);
}
if (hkSetupHive) RegCloseKey(hkSetupHive);
#endif
}
return BOINC_SUCCESS;
}
// Cleanup the diagnostic framework before dumping any memory leaks.
//
int diagnostics_finish() {
#ifdef _WIN32
// Shutdown the message monitor thread and handles
diagnostics_finish_message_monitor();
// Shutdown the unhandled exception filter thread and handles
diagnostics_finish_unhandled_exception_monitor();
// Cleanup internal thread list structures and free up any
// used memory.
diagnostics_finish_thread_list();
#ifdef _DEBUG
// Only perform the memory leak dump if it is a boinc application
// and not the BOINC Manager, BOINC Core Client, or BOINC
// Screen saver since they'll check on close.
if (flags & BOINC_DIAG_BOINCAPPLICATION) {
if (flags & BOINC_DIAG_MEMORYLEAKCHECKENABLED) {
_CrtMemCheckpoint(&finish_snapshot);
if (_CrtMemDifference(&difference_snapshot, &start_snapshot, &finish_snapshot)) {
fprintf( stderr, "\n\n");
fprintf( stderr, "**********\n");
fprintf( stderr, "**********\n");
fprintf( stderr, "\n");
fprintf( stderr, "Memory Leaks Detected!!!\n");
fprintf( stderr, "\n");
fprintf( stderr, "Memory Statistics:\n");
_CrtMemDumpStatistics(&difference_snapshot);
fprintf( stderr, "\n");
_CrtMemDumpAllObjectsSince(&difference_snapshot);
fprintf( stderr, "\n");
}
}
}
#endif // defined(_DEBUG)
#endif // defined(_WIN32)
// Set initalization flag to false.
diagnostics_initialized = false;
return BOINC_SUCCESS;
}
// has the diagnostics library been initialized?
//
int diagnostics_is_initialized(){
return diagnostics_initialized;
}
// return true if the specified flag is set.
//
int diagnostics_is_flag_set(int _flags) {
return flags & _flags;
}
// return the location of the BOINC directory.
//
char* diagnostics_get_boinc_dir() {
return boinc_dir;
}
// return the location of the BOINC install directory.
//
char* diagnostics_get_boinc_install_dir() {
return boinc_install_dir;
}
// return the location of the symbol store.
//
char* diagnostics_get_symstore() {
return symstore;
}
// store the location of the symbol store.
//
int diagnostics_set_symstore(char* project_symstore) {
if (!strlen(symstore)) {
int buffer_used = snprintf(symstore, sizeof(symstore), "%s", project_symstore);
if ((sizeof(symstore) == buffer_used) || (-1 == buffer_used)) {
symstore[sizeof(symstore)-1] = '\0';
}
}
return 0;
}
// do we need to worry about a proxy server?
//
int diagnostics_is_proxy_enabled() {
return boinc_proxy_enabled;
}
// proxy server address and port
//
char* diagnostics_get_proxy() {
return boinc_proxy;
}
// Set the value of the flag
int diagnostics_set_aborted_via_gui() {
aborted_via_gui = 1;
return 0;
}
// Return the value of he flag
int diagnostics_is_aborted_via_gui() {
return aborted_via_gui;
}
// Cycle the log files at regular events.
//
int diagnostics_cycle_logs() {
double f_size;
fflush(stdout);
fflush(stderr);
// If the stderr.txt or stdout.txt files are too big, cycle them
//
if (flags & BOINC_DIAG_REDIRECTSTDERR) {
#ifdef __EMX__
// OS/2 can't stat() open files!
struct stat sbuf;
fstat(fileno(stderr_file), &sbuf);
f_size = (double)sbuf.st_size;
#else
file_size(stderr_log, f_size);
#endif
if (f_size > max_stderr_file_size) {
if (NULL == stderr_file) return ERR_FOPEN;
fclose(stderr_file);
boinc_copy(stderr_log, stderr_archive);
stderr_file = freopen(stderr_log, "w", stderr);
if (NULL == stderr_file) return ERR_FOPEN;
}
}
if (flags & BOINC_DIAG_REDIRECTSTDOUT) {
#ifdef __EMX__
// OS/2 can't stat() open files!
struct stat sbuf;
fstat(fileno(stdout_file), &sbuf);
f_size = (double)sbuf.st_size;
#else
file_size(stdout_log, f_size);
#endif
if (f_size > max_stdout_file_size) {
if (NULL == stdout_file) return ERR_FOPEN;
fclose(stdout_file);
boinc_copy(stdout_log, stdout_archive);
stdout_file = freopen(stdout_log, "w", stdout);
if (NULL == stdout_file) return ERR_FOPEN;
}
}
return BOINC_SUCCESS;
}
// Diagnostics for POSIX Compatible systems.
//
#ifdef HAVE_SIGNAL_H
// Set a signal handler only if it is not currently ignored
//
void boinc_set_signal_handler(int sig, void(*handler)(int)) {
#ifdef HAVE_SIGACTION
struct sigaction temp;
sigaction(sig, NULL, &temp);
if (temp.sa_handler != SIG_IGN) {
temp.sa_handler = handler;
// sigemptyset(&temp.sa_mask);
sigaction(sig, &temp, NULL);
}
#else
void (*temp)(int);
temp = signal(sig, boinc_catch_signal);
if (temp == SIG_IGN) {
signal(sig, SIG_IGN);
}
#endif /* HAVE_SIGACTION */
}
// Set a signal handler even if it is currently ignored
//
void boinc_set_signal_handler_force(int sig, void(*handler)(int)) {
#ifdef HAVE_SIGACTION
struct sigaction temp;
sigaction(sig, NULL, &temp);
temp.sa_handler = handler;
// sigemptyset(&temp.sa_mask);
sigaction(sig, &temp, NULL);
#else
void (*temp)(int);
temp = signal(sig, boinc_catch_signal);
signal(sig, SIG_IGN);
#endif /* HAVE_SIGACTION */
}
void boinc_catch_signal(int signal) {
switch(signal) {
case SIGHUP: fprintf(stderr, "SIGHUP: terminal line hangup\n");
return;
case SIGINT: fprintf(stderr, "SIGINT: interrupt program\n"); break;
case SIGILL: fprintf(stderr, "SIGILL: illegal instruction\n"); break;
case SIGABRT: fprintf(stderr, "SIGABRT: abort called\n"); break;
case SIGBUS: fprintf(stderr, "SIGBUS: bus error\n"); break;
case SIGSEGV: fprintf(stderr, "SIGSEGV: segmentation violation\n"); break;
case SIGSYS: fprintf(stderr, "SIGSYS: system call given invalid argument\n"); break;
case SIGPIPE: fprintf(stderr, "SIGPIPE: write on a pipe with no reader\n");
return;
default: fprintf(stderr, "unknown signal %d\n", signal); break;
}
#ifdef __GLIBC__
void *array[64];
size_t size;
size = backtrace (array, 64);
fprintf(stderr, "Stack trace (%d frames):\n", size);
backtrace_symbols_fd(array, size, fileno(stderr));
#endif
#ifdef __APPLE__
PrintBacktrace();
#endif
fprintf(stderr, "\nExiting...\n");
exit(EXIT_SIGNAL);
}
#endif
//
// Diagnostics Routines common to all Platforms
//
// Converts the BOINCTRACE macro into a single string and report it
// to the CRT so it can be reported via the normal means.
//
void boinc_trace(const char *pszFormat, ...) {
static char szBuffer[4096];
static char szDate[64];
static char szTime[64];
// Trace messages should only be reported if running as a standalone
// application or told too.
if ((flags & BOINC_DIAG_TRACETOSTDERR) ||
(flags & BOINC_DIAG_TRACETOSTDOUT)) {
memset(szBuffer, 0, sizeof(szBuffer));
memset(szDate, 0, sizeof(szDate));
memset(szTime, 0, sizeof(szTime));
#ifdef _WIN32
strdate(szDate);
strtime(szTime);
#endif
va_list ptr;
va_start(ptr, pszFormat);
vsnprintf(szBuffer, sizeof(szBuffer), pszFormat, ptr);
va_end(ptr);
#if defined(_WIN32) && defined(_DEBUG)
_CrtDbgReport(_CRT_WARN, NULL, NULL, NULL, "[%s %s] TRACE [%d]: %s", szDate, szTime, GetCurrentThreadId(), szBuffer);
#else
if (flags & BOINC_DIAG_TRACETOSTDERR) {
#ifdef _WIN32
fprintf(stderr, "[%s %s] TRACE [%d]: %s\n", szDate, szTime, GetCurrentThreadId(), szBuffer);
#else
fprintf(stderr, "TRACE: %s\n", szBuffer);
#endif
}
if (flags & BOINC_DIAG_TRACETOSTDOUT) {
#ifdef _WIN32
fprintf(stdout, "[%s %s] TRACE [%d]: %s\n", szDate, szTime, GetCurrentThreadId(), szBuffer);
#else
fprintf(stdout, "TRACE: %s\n", szBuffer);
#endif
}
#endif
}
}
// Converts the BOINCINFO macro into a single string and report it
// to stderr so it can be reported via the normal means.
//
#ifndef BOINC_INFOMSGS
void boinc_info(const char* /*pszFormat*/, ... ){ return; }
#else
void boinc_info(const char* pszFormat, ...){
static char szBuffer[4096];
static char szDate[64];
static char szTime[64];
memset(szBuffer, 0, sizeof(szBuffer));
memset(szDate, 0, sizeof(szDate));
memset(szTime, 0, sizeof(szTime));
strdate(szDate);
strtime(szTime);
va_list ptr;
va_start(ptr, pszFormat);
vsnprintf(szBuffer, sizeof(szBuffer), pszFormat, ptr);
va_end(ptr);
#if defined(_WIN32) && defined(_DEBUG)
_CrtDbgReport(_CRT_WARN, NULL, NULL, NULL, "[%s %s] BOINCMSG: %s\n", szDate, szTime, szBuffer);
#else
if (flags & BOINC_DIAG_TRACETOSTDERR) {
fprintf(stderr, "[%s %s] BOINCMSG: %s\n", szDate, szTime, szBuffer);
}
if (flags & BOINC_DIAG_TRACETOSTDOUT) {
fprintf(stdout, "[%s %s] BOINCMSG: %s\n", szDate, szTime, szBuffer);
}
#endif
}
#endif
void diagnostics_set_max_file_sizes(int stdout_size, int stderr_size) {
if (stdout_size) max_stdout_file_size = stdout_size;
if (stderr_size) max_stderr_file_size = stderr_size;
}
const char *BOINC_RCSID_4967ad204c = "$Id$";
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