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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <glib.h>
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#ifndef _MSC_VER
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#include <sys/time.h>
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#endif /* _MSC_VER */
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#include "config.h"
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#include "file.h"
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#include "item.h"
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#include "debug.h"
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#ifdef HAVE_API_ANDROID
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#include <android/log.h>
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#endif
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#if defined HAVE_API_WIN32_CE || defined _MSC_VER
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#include <windows.h>
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#include <windowsx.h>
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#endif
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#ifdef HAVE_SOCKET
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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static int debug_socket=-1;
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static struct sockaddr_in debug_sin;
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#endif
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int debug_level=0;
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int segv_level=0;
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int timestamp_prefix=0;
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static int dummy;
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static GHashTable *debug_hash;
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static gchar *gdb_program;
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static FILE *debug_fp;
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#if defined(_WIN32) || defined(__CEGCC__)
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static void sigsegv(int sig)
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{
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}
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#else
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#include <unistd.h>
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static void sigsegv(int sig)
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{
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char buffer[256];
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if (segv_level > 1)
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sprintf(buffer, "gdb -ex bt %s %d", gdb_program, getpid());
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else
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sprintf(buffer, "gdb -ex bt -ex detach -ex quit %s %d", gdb_program, getpid());
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system(buffer);
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exit(1);
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}
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#endif
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void
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debug_init(const char *program_name)
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{
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gdb_program=g_strdup(program_name);
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signal(SIGSEGV, sigsegv);
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debug_hash=g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
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debug_fp = stderr;
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}
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static void
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debug_update_level(gpointer key, gpointer value, gpointer user_data)
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{
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if (debug_level < GPOINTER_TO_INT(value))
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debug_level = GPOINTER_TO_INT(value);
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}
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void
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debug_level_set(const char *name, int level)
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{
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if (!strcmp(name, "segv")) {
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segv_level=level;
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if (segv_level)
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signal(SIGSEGV, sigsegv);
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else
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signal(SIGSEGV, NULL);
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} else if (!strcmp(name, "timestamps")) {
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timestamp_prefix=level;
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} else {
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debug_level=0;
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g_hash_table_insert(debug_hash, g_strdup(name), GINT_TO_POINTER(level));
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g_hash_table_foreach(debug_hash, debug_update_level, NULL);
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}
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}
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struct debug *
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debug_new(struct attr *parent, struct attr **attrs)
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{
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struct attr *name,*level;
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name=attr_search(attrs, NULL, attr_name);
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level=attr_search(attrs, NULL, attr_level);
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#ifdef HAVE_SOCKET
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if (!name && !level) {
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struct attr *socket_attr=attr_search(attrs, NULL, attr_socket);
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char *p,*s;
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if (!socket_attr)
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return NULL;
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s=g_strdup(socket_attr->u.str);
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p=strchr(s,':');
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if (!p) {
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g_free(s);
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return NULL;
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}
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*p++='\0';
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debug_sin.sin_family=AF_INET;
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if (!inet_aton(s, &debug_sin.sin_addr)) {
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g_free(s);
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return NULL;
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}
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debug_sin.sin_port=ntohs(atoi(p));
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if (debug_socket == -1)
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debug_socket=socket(PF_INET, SOCK_DGRAM, 0);
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g_free(s);
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return (struct debug *)&dummy;
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}
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#endif
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if (!name || !level)
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return NULL;
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debug_level_set(name->u.str, level->u.num);
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return (struct debug *)&dummy;
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}
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int
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debug_level_get(const char *name)
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{
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if (!debug_hash)
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return 0;
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return GPOINTER_TO_INT(g_hash_table_lookup(debug_hash, name));
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}
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static void debug_timestamp(char *buffer)
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{
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#if defined HAVE_API_WIN32_CE || defined _MSC_VER
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LARGE_INTEGER counter, frequency;
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double val;
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QueryPerformanceCounter(&counter);
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QueryPerformanceFrequency(&frequency);
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val=counter.HighPart * 4294967296.0 + counter.LowPart;
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val/=frequency.HighPart * 4294967296.0 + frequency.LowPart;
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sprintf(buffer,"%.6f|",val);
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#else
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struct timeval tv;
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if (gettimeofday(&tv, NULL) == -1)
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return;
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/* Timestamps are UTC */
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sprintf(buffer,
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"%02d:%02d:%02d.%03d|",
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(int)(tv.tv_sec/3600)%24,
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(int)(tv.tv_sec/60)%60,
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(int)tv.tv_sec % 60,
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(int)tv.tv_usec/1000);
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#endif
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}
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void
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debug_vprintf(int level, const char *module, const int mlen, const char *function, const int flen, int prefix, const char *fmt, va_list ap)
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{
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#if defined HAVE_API_WIN32_CE || defined _MSC_VER
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char buffer[4096];
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#else
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char buffer[mlen+flen+3];
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#endif
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FILE *fp=debug_fp;
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sprintf(buffer, "%s:%s", module, function);
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if (debug_level_get(module) >= level || debug_level_get(buffer) >= level) {
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#if defined(DEBUG_WIN32_CE_MESSAGEBOX)
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wchar_t muni[4096];
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#endif
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char xbuffer[4096];
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xbuffer[0]='\0';
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if (prefix) {
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if (timestamp_prefix)
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debug_timestamp(xbuffer);
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strcpy(xbuffer+strlen(xbuffer),buffer);
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strcpy(xbuffer+strlen(xbuffer),":");
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}
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vsprintf(xbuffer+strlen(xbuffer),fmt,ap);
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#ifdef DEBUG_WIN32_CE_MESSAGEBOX
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mbstowcs(muni, xbuffer, strlen(xbuffer)+1);
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MessageBoxW(NULL, muni, TEXT("Navit - Error"), MB_APPLMODAL|MB_OK|MB_ICONERROR);
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#else
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#ifdef HAVE_API_ANDROID
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__android_log_print(ANDROID_LOG_ERROR,"navit", "%s", xbuffer);
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#else
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#ifdef HAVE_SOCKET
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if (debug_socket != -1) {
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sendto(debug_socket, xbuffer, strlen(xbuffer), 0, (struct sockaddr *)&debug_sin, sizeof(debug_sin));
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return;
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}
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#endif
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if (! fp)
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fp = stderr;
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fprintf(fp,"%s",xbuffer);
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fflush(fp);
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#endif
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#endif
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}
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}
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void
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debug_printf(int level, const char *module, const int mlen,const char *function, const int flen, int prefix, const char *fmt, ...)
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{
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#ifdef _DEBUG_BUILD_
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va_list ap;
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va_start(ap, fmt);
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debug_vprintf(level, module, mlen, function, flen, prefix, fmt, ap);
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va_end(ap);
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#endif
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}
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void
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debug_printf2(int level, const char *module, const int mlen,const char *function, const int flen, int prefix, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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debug_vprintf(level, module, mlen, function, flen, prefix, fmt, ap);
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va_end(ap);
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}
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void
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debug_assert_fail(const char *module, const int mlen,const char *function, const int flen, const char *file, int line, const char *expr)
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{
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debug_printf2(0,module,mlen,function,flen,1,"%s:%d assertion failed:%s\n", file, line, expr);
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abort();
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}
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void
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debug_destroy(void)
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{
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if (!debug_fp)
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return;
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if (debug_fp == stderr || debug_fp == stdout)
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return;
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fclose(debug_fp);
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debug_fp = NULL;
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}
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void debug_set_logfile(const char *path)
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{
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FILE *fp;
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fp = fopen(path, "a");
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if (fp) {
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debug_destroy();
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debug_fp = fp;
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fprintf(debug_fp, "Navit log started\n");
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fflush(debug_fp);
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}
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}
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struct malloc_head {
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int magic;
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int size;
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char *where;
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void *return_address[8];
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struct malloc_head *prev;
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struct malloc_head *next;
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} *malloc_heads;
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struct malloc_tail {
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int magic;
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};
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int mallocs,malloc_size,malloc_size_m;
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void
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debug_dump_mallocs(void)
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{
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struct malloc_head *head=malloc_heads;
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int i;
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dbg(0,"mallocs %d\n",mallocs);
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while (head) {
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fprintf(stderr,"unfreed malloc from %s of size %d\n",head->where,head->size);
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for (i = 0 ; i < 8 ; i++)
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fprintf(stderr,"\tlist *%p\n",head->return_address[i]);
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#if 0
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fprintf(stderr,"%s\n",head+1);
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#endif
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head=head->next;
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}
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}
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void *
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debug_malloc(const char *where, int line, const char *func, int size)
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{
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struct malloc_head *head;
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struct malloc_tail *tail;
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if (!size)
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return NULL;
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mallocs++;
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malloc_size+=size;
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if (malloc_size/(1024*1024) != malloc_size_m) {
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malloc_size_m=malloc_size/(1024*1024);
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dbg(0,"malloced %d kb\n",malloc_size/1024);
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}
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head=malloc(size+sizeof(*head)+sizeof(*tail));
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head->magic=0xdeadbeef;
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head->size=size;
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head->prev=NULL;
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head->next=malloc_heads;
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malloc_heads=head;
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if (head->next)
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head->next->prev=head;
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head->where=g_strdup_printf("%s:%d %s",where,line,func);
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#if !defined (__GNUC__)
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#define __builtin_return_address(x) NULL
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#endif
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head->return_address[0]=__builtin_return_address(0);
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head->return_address[1]=__builtin_return_address(1);
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head->return_address[2]=__builtin_return_address(2);
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head->return_address[3]=__builtin_return_address(3);
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head->return_address[4]=__builtin_return_address(4);
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head->return_address[5]=__builtin_return_address(5);
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head->return_address[6]=__builtin_return_address(6);
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head->return_address[7]=__builtin_return_address(7);
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head++;
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tail=(struct malloc_tail *)((unsigned char *)head+size);
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tail->magic=0xdeadbef0;
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return head;
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}
|
358 |
|
359 |
|
360 |
void *
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361 |
debug_malloc0(const char *where, int line, const char *func, int size)
|
362 |
{
|
363 |
void *ret=debug_malloc(where, line, func, size);
|
364 |
if (ret)
|
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memset(ret, 0, size);
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return ret;
|
367 |
}
|
368 |
|
369 |
void *
|
370 |
debug_realloc(const char *where, int line, const char *func, void *ptr, int size)
|
371 |
{
|
372 |
void *ret=debug_malloc(where, line, func, size);
|
373 |
if (ret && ptr)
|
374 |
memcpy(ret, ptr, size);
|
375 |
debug_free(where, line, func, ptr);
|
376 |
return ret;
|
377 |
}
|
378 |
|
379 |
char *
|
380 |
debug_strdup(const char *where, int line, const char *func, const char *ptr)
|
381 |
{
|
382 |
int size;
|
383 |
char *ret;
|
384 |
|
385 |
if (!ptr)
|
386 |
return NULL;
|
387 |
size=strlen(ptr)+1;
|
388 |
ret=debug_malloc(where, line, func, size);
|
389 |
memcpy(ret, ptr, size);
|
390 |
return ret;
|
391 |
}
|
392 |
|
393 |
char *
|
394 |
debug_guard(const char *where, int line, const char *func, char *str)
|
395 |
{
|
396 |
char *ret=debug_strdup(where, line, func, str);
|
397 |
g_free(str);
|
398 |
return ret;
|
399 |
}
|
400 |
|
401 |
void
|
402 |
debug_free(const char *where, int line, const char *func, void *ptr)
|
403 |
{
|
404 |
struct malloc_head *head;
|
405 |
struct malloc_tail *tail;
|
406 |
if (!ptr)
|
407 |
return;
|
408 |
mallocs--;
|
409 |
head=(struct malloc_head *)((unsigned char *)ptr-sizeof(*head));
|
410 |
tail=(struct malloc_tail *)((unsigned char *)ptr+head->size);
|
411 |
malloc_size-=head->size;
|
412 |
if (head->magic != 0xdeadbeef || tail->magic != 0xdeadbef0) {
|
413 |
fprintf(stderr,"Invalid free from %s:%d %s\n",where,line,func);
|
414 |
}
|
415 |
head->magic=0;
|
416 |
tail->magic=0;
|
417 |
if (head->prev)
|
418 |
head->prev->next=head->next;
|
419 |
else
|
420 |
malloc_heads=head->next;
|
421 |
if (head->next)
|
422 |
head->next->prev=head->prev;
|
423 |
free(head->where);
|
424 |
free(head);
|
425 |
}
|
426 |
|
427 |
void
|
428 |
debug_free_func(void *ptr)
|
429 |
{
|
430 |
debug_free("unknown",0,"unknown",ptr);
|
431 |
}
|
432 |
|
433 |
void debug_finished(void) {
|
434 |
debug_dump_mallocs();
|
435 |
g_free(gdb_program);
|
436 |
g_hash_table_destroy(debug_hash);
|
437 |
debug_destroy();
|
438 |
}
|
439 |
|