| /* |
| * debug.c |
| * contains utilitary functions for debugging |
| * |
| * Copyright (c) 2008 Jonathan Beck All Rights Reserved. |
| * Copyright (c) 2010 Martin S. All Rights Reserved. |
| * |
| * This library 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 library 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 this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| #include <stdarg.h> |
| #define _GNU_SOURCE 1 |
| #define __USE_GNU 1 |
| #include <stdio.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <time.h> |
| |
| #include "debug.h" |
| #include "libimobiledevice/libimobiledevice.h" |
| #include "src/idevice.h" |
| |
| #ifndef STRIP_DEBUG_CODE |
| #include "asprintf.h" |
| #endif |
| |
| static int debug_level; |
| |
| void internal_set_debug_level(int level) |
| { |
| debug_level = level; |
| } |
| |
| #define MAX_PRINT_LEN (16*1024) |
| |
| #ifndef STRIP_DEBUG_CODE |
| static void debug_print_line(const char *func, const char *file, int line, const char *buffer) |
| { |
| char *str_time = NULL; |
| char *header = NULL; |
| time_t the_time; |
| |
| time(&the_time); |
| str_time = (char*)malloc(255); |
| strftime(str_time, 254, "%H:%M:%S", localtime (&the_time)); |
| |
| /* generate header text */ |
| (void)asprintf(&header, "%s %s:%d %s()", str_time, file, line, func); |
| free (str_time); |
| |
| /* trim ending newlines */ |
| |
| /* print header */ |
| fprintf(stderr, "%s: ", header); |
| |
| /* print actual debug content */ |
| fprintf(stderr, "%s\n", buffer); |
| |
| free (header); |
| } |
| #endif |
| |
| void debug_info_real(const char *func, const char *file, int line, const char *format, ...) |
| { |
| #ifndef STRIP_DEBUG_CODE |
| va_list args; |
| char *buffer = NULL; |
| |
| if (!debug_level) |
| return; |
| |
| /* run the real fprintf */ |
| va_start(args, format); |
| (void)vasprintf(&buffer, format, args); |
| va_end(args); |
| |
| debug_print_line(func, file, line, buffer); |
| |
| free(buffer); |
| #endif |
| } |
| |
| void debug_buffer(const char *data, const int length) |
| { |
| #ifndef STRIP_DEBUG_CODE |
| int i; |
| int j; |
| unsigned char c; |
| |
| if (debug_level) { |
| for (i = 0; i < length; i += 16) { |
| fprintf(stderr, "%04x: ", i); |
| for (j = 0; j < 16; j++) { |
| if (i + j >= length) { |
| fprintf(stderr, " "); |
| continue; |
| } |
| fprintf(stderr, "%02x ", *(data + i + j) & 0xff); |
| } |
| fprintf(stderr, " | "); |
| for (j = 0; j < 16; j++) { |
| if (i + j >= length) |
| break; |
| c = *(data + i + j); |
| if ((c < 32) || (c > 127)) { |
| fprintf(stderr, "."); |
| continue; |
| } |
| fprintf(stderr, "%c", c); |
| } |
| fprintf(stderr, "\n"); |
| } |
| fprintf(stderr, "\n"); |
| } |
| #endif |
| } |
| |
| void debug_buffer_to_file(const char *file, const char *data, const int length) |
| { |
| #ifndef STRIP_DEBUG_CODE |
| if (debug_level) { |
| FILE *f = fopen(file, "wb"); |
| fwrite(data, 1, length, f); |
| fflush(f); |
| fclose(f); |
| } |
| #endif |
| } |
| |
| void debug_plist_real(const char *func, const char *file, int line, plist_t plist) |
| { |
| #ifndef STRIP_DEBUG_CODE |
| if (!plist) |
| return; |
| |
| char *buffer = NULL; |
| uint32_t length = 0; |
| plist_to_xml(plist, &buffer, &length); |
| |
| /* get rid of ending newline as one is already added in the debug line */ |
| if (buffer[length-1] == '\n') |
| buffer[length-1] = '\0'; |
| |
| if (length <= MAX_PRINT_LEN) |
| debug_info_real(func, file, line, "printing %i bytes plist:\n%s", length, buffer); |
| else |
| debug_info_real(func, file, line, "supress printing %i bytes plist...\n", length); |
| |
| free(buffer); |
| #endif |
| } |
| |