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Merge branch 'error-mem-viewer' into dev

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* This is a preliminary version of hte error memory viewer
This commit is contained in:
Mario Hüttel 2021-03-19 20:54:32 +01:00
commit 9c37e083a0
11 changed files with 890 additions and 0 deletions
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3
error-mem-viewer/.gitignore vendored Normal file
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*.ui~
*.user
*.user*

26
error-mem-viewer/CMakeLists.txt Normal file
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project(error-mem-viewer)
cmake_minimum_required(VERSION 2.8)
find_package(PkgConfig REQUIRED)
pkg_search_module(GLIB REQUIRED glib-2.0)
pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
pkg_check_modules(GTK_MOD REQUIRED gmodule-2.0)
aux_source_directory("src" SRCES)
include_directories("include" ${GLIB_INCLUDE_DIRS} ${GTK3_INCLUDE_DIRS} ${GTK_MOD_INCLUDE_DIRS})
add_subdirectory(resources)
set(SOURCE_GENERATED
${CMAKE_CURRENT_BINARY_DIR}/resources/resources.c
)
SET_SOURCE_FILES_PROPERTIES(${SOURCE_GENERATED} PROPERTIES GENERATED 1)
add_compile_options(-Wall -Wextra -Wold-style-declaration -Wuninitialized -Wmaybe-uninitialized -Wunused-parameter)
link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS} ${GTK_MOD_LINK_DIRS})
add_definitions(${GLIB2_CFLAGS_OTHER} ${GTK_MOD_CFLAGS_OTHER})
add_executable(${PROJECT_NAME} ${SRCES} ${SOURCE_GENERATED})
target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${GTK_MOD_LDFLAGS})
add_dependencies(${PROJECT_NAME} glib-resources)

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error-mem-viewer/include/error-mem-viewer/crc.h Normal file
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#ifndef _CRC_H_
#define _CRC_H_
#include <stdint.h>
#include <stddef.h>
uint32_t calculate_stm_crc(uint32_t *data, size_t len);
#endif /* _CRC_H_ */

15
error-mem-viewer/include/error-mem-viewer/err-mem-viewer-hex-cell-renderer.h Normal file
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#ifndef _ERR_MEM_VIEWER_ADDRESS_CELL_RENDERER_H_
#define _ERR_MEM_VIEWER_ADDRESS_CELL_RENDERER_H_
#include <gtk/gtk.h>
G_BEGIN_DECLS
G_DECLARE_FINAL_TYPE(ErrMemViewHexCellRenderer, err_mem_view_hex_cell_renderer, ERR_MEM_VIEW, HEX_CELL_RENDERER, GtkCellRendererText)
#define ERR_MEM_VIEW_TYPE_HEX_CELL_RENDERER (err_mem_view_address_cell_renderer_get_type())
GtkCellRenderer *err_mem_view_hex_cell_renderer_new();
G_END_DECLS
#endif /* _ERR_MEM_VIEWER_ADDRESS_CELL_RENDERER_H_ */

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error-mem-viewer/include/error-mem-viewer/safety-memory-types.h Normal file
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#ifndef _SAFETY_MEM_TYPES_H_
#define _SAFETY_MEM_TYPES_H_
#include <stdint.h>
/**
* @brief Magic number to signal a valid safety memory header.
*/
#define SAFETY_MEMORY_MAGIC 0x12AA5CB7
/**
* @brief Error memory NOP entry
*/
#define SAFETY_MEMORY_NOP_ENTRY 0xC1AA1222
/**
* @brief Safety memory header
*/
struct safety_memory_header {
uint32_t magic; /**< @brief Magic. Set to @ref SAFETY_MEMORY_MAGIC */
uint32_t boot_status_offset; /**< @brief Offset of the safety_memory_boot_status struct (in 32 bit words)*/
uint32_t config_overrides_offset; /**< @brief Offset address of override entries */
uint32_t config_overrides_len; /**< @brief Length of override entries in words */
uint32_t err_memory_offset; /**< @brief Offset of the error memory */
uint32_t err_memory_end; /**< @brief End of the error memory. This points to the word after the error memory, containing the CRC of the whole backup RAM. */
uint32_t crc; /**< @brief CRC of the header */
};
struct safety_memory_boot_status {
/**
* @brief Reboot into the bootloader
*
* When this flag is set, the controller will load the bootloader to
* memory and execute it.
*/
uint32_t reboot_to_bootloader;
/**
* @brief Bootloader has updated the code
*
* This flag is set, if the firmware ahs been updated successfully
*/
uint32_t code_updated;
/**
* @brief reset_from_panic
*
* This flag is set, when entering the panic mode.
* Because the panic mode is reset by a watchdog reset,
* this flag is needed, in order to ensure, that the panic is handled correcly after
* the watchdog reset.
*/
uint32_t reset_from_panic;
};
#endif /* _SAFETY_MEM_TYPES_H_ */

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error-mem-viewer/resources/CMakeLists.txt Normal file
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add_custom_target(glib-resources DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/resources.c")
add_custom_command(DEPENDS
"${CMAKE_CURRENT_SOURCE_DIR}/*.ui"
"${CMAKE_CURRENT_SOURCE_DIR}/resources.xml"
OUTPUT
"${CMAKE_CURRENT_BINARY_DIR}/resources.c"
COMMAND
glib-compile-resources --target="${CMAKE_CURRENT_BINARY_DIR}/resources.c" --sourcedir="${CMAKE_CURRENT_SOURCE_DIR}" --generate-source "${CMAKE_CURRENT_SOURCE_DIR}/resources.xml"
)

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error-mem-viewer/resources/main-window.ui Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.38.1 -->
<interface>
<requires lib="gtk+" version="3.24"/>
<object class="GtkWindow" id="main-window">
<property name="name">main-window</property>
<property name="can-focus">False</property>
<child>
<object class="GtkBox">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="orientation">vertical</property>
<child>
<object class="GtkInfoBar" id="info-bar">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="message-type">warning</property>
<property name="show-close-button">True</property>
<property name="revealed">False</property>
<signal name="response" handler="info_bar_close_cb" swapped="no"/>
<child internal-child="action_area">
<object class="GtkButtonBox">
<property name="can-focus">False</property>
<property name="spacing">6</property>
<property name="layout-style">end</property>
<child>
<placeholder/>
</child>
<child>
<placeholder/>
</child>
<child>
<placeholder/>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">0</property>
</packing>
</child>
<child internal-child="content_area">
<object class="GtkBox">
<property name="can-focus">False</property>
<property name="spacing">16</property>
<child>
<placeholder/>
</child>
<child>
<placeholder/>
</child>
<child>
<placeholder/>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">0</property>
</packing>
</child>
<child>
<placeholder/>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkScrolledWindow">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="shadow-type">in</property>
<child>
<object class="GtkTreeView" id="error-mem-tree-view">
<property name="visible">True</property>
<property name="can-focus">True</property>
<child internal-child="selection">
<object class="GtkTreeSelection"/>
</child>
</object>
</child>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
</object>
</child>
<child type="titlebar">
<object class="GtkHeaderBar" id="header-bar">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="title" translatable="yes">Error Memory Viewer</property>
<property name="subtitle" translatable="yes">Reflow Controller Error Memory Viewer</property>
<property name="show-close-button">True</property>
<child>
<object class="GtkButton" id="open-button">
<property name="label">gtk-open</property>
<property name="name">open-button</property>
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="receives-default">True</property>
<property name="use-stock">True</property>
<property name="always-show-image">True</property>
<signal name="clicked" handler="open_button_clicked_cb" swapped="no"/>
<style>
<class name="suggested-action"/>
</style>
</object>
</child>
</object>
</child>
</object>
</interface>

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error-mem-viewer/resources/resources.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<gresources>
<gresource prefix="/gui">
<file compressed="true" alias="main">main-window.ui</file>
</gresource>
</gresources>

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error-mem-viewer/src/crc.c Normal file
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#include <error-mem-viewer/crc.h>
uint32_t do_crc(uint32_t init, uint32_t data)
{
uint32_t crc = init;
uint32_t cnt;
for(cnt=0; cnt < 32; cnt++)
{
crc = ((int32_t)(crc ^ data))<0 ? (crc << 1) ^ 0x04C11DB7 : crc << 1;
data <<=1;
}
return crc;
}
uint32_t calculate_stm_crc(uint32_t *data, size_t len)
{
uint32_t crc = ~0U;
while(len--) {
crc = do_crc(crc, *data++);
}
return crc;
}

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error-mem-viewer/src/err-mem-viewer-hex-cell-renderer.c Normal file
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#include <error-mem-viewer/err-mem-viewer-hex-cell-renderer.h>
#include <string.h>
struct _ErrMemViewHexCellRenderer {
GtkCellRendererText base;
};
enum {
PROP_HEXNUM = 1,
PROP_COUNT
};
G_DEFINE_TYPE(ErrMemViewHexCellRenderer, err_mem_view_address_cell_renderer, GTK_TYPE_CELL_RENDERER_TEXT)
static void err_mem_view_address_cell_renderer_init(ErrMemViewHexCellRenderer *self)
{
(void)self;
}
static void convert_gvalue_uint_to_string(const GValue *in, GValue *out)
{
uint32_t val;
char text[32];
if (!in || !out)
return;
g_value_init(out, G_TYPE_STRING);
val = g_value_get_uint(in);
snprintf(text, sizeof(text), "0x%08X", val);
g_value_set_string(out, text);
}
static void err_mem_view_address_cell_renderer_set_property(GObject *obj, guint param_id, const GValue *value, GParamSpec *pspec)
{
GValue val = G_VALUE_INIT;
switch (param_id) {
case PROP_HEXNUM:
convert_gvalue_uint_to_string(value, &val);
g_object_set_property(obj, "text", &val);
g_value_unset(&val);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void err_mem_view_address_cell_renderer_get_property(GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
(void)value;
switch (param_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
break;
}
}
static GParamSpec *properties[PROP_COUNT];
void err_mem_view_address_cell_renderer_class_init(ErrMemViewHexCellRendererClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS(klass);
oclass->set_property = err_mem_view_address_cell_renderer_set_property;
oclass->get_property = err_mem_view_address_cell_renderer_get_property;
properties[PROP_HEXNUM] = g_param_spec_uint("hex-num", "hex-num", "Hex number to display", 0U, UINT_MAX, 0U, G_PARAM_WRITABLE);
g_object_class_install_properties(oclass, PROP_COUNT, properties);
}
GtkCellRenderer *err_mem_view_hex_cell_renderer_new()
{
return GTK_CELL_RENDERER(g_object_new(ERR_MEM_VIEW_TYPE_HEX_CELL_RENDERER, NULL));
}

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error-mem-viewer/src/main.c Normal file
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#include <gtk/gtk.h>
#include <glib.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdbool.h>
#include <error-mem-viewer/err-mem-viewer-hex-cell-renderer.h>
#include <error-mem-viewer/safety-memory-types.h>
#include <error-mem-viewer/crc.h>
enum memory_view_columns {
MEM_VIEW_COL_ADDRESS = 0,
MEM_VIEW_COL_DATA,
MEM_VIEW_COL_INTERPRETATION,
MEM_VIEW_COLOR,
MEM_VIEW_COLUMN_COUNT
};
struct application_data {
GtkWidget *borrowed_main_window;
GtkTreeView *borrowed_tree_view;
GtkHeaderBar *borrowed_header_bar;
GtkInfoBar *borrowed_info_bar;
const char *error_memory_data;
size_t file_size;
};
enum entry_state {
ENTRY_STATE_VALID = 0,
ENTRY_STATE_INVALID,
ENTRY_STATE_NOT_PARSED,
ENTRY_STATE_BLOCK
};
static void append_data(GtkTreeStore *store, GtkTreeIter *parent, GtkTreeIter *iter, GString *interpretation, enum entry_state state, uint32_t addr, uint32_t val)
{
const GdkRGBA invalid_color = {
.red = 1.0,
.alpha = 1.0,
.green = 0.0,
.blue = 0.0,
};
const GdkRGBA valid_color = {
.red = 0.0,
.alpha = 1.0,
.green = 1.0,
.blue = 0.0,
};
const GdkRGBA warn_color = {
.red = 1.0,
.alpha = 1.0,
.green = 1.0,
.blue = 0.0,
};
const GdkRGBA block_color = {
.red = 1.0,
.alpha = 1.0,
.green = 0.3,
.blue = 0.5,
};
const GdkRGBA *col;
switch (state) {
case ENTRY_STATE_VALID:
col = &valid_color;
break;
case ENTRY_STATE_NOT_PARSED:
col = &warn_color;
break;
case ENTRY_STATE_BLOCK:
col = &block_color;
break;
case ENTRY_STATE_INVALID:
default:
col = &invalid_color;
break;
}
gtk_tree_store_append(store, iter, parent);
gtk_tree_store_set(store, iter, MEM_VIEW_COL_ADDRESS, addr, MEM_VIEW_COLOR, col, MEM_VIEW_COL_INTERPRETATION, (interpretation ? interpretation->str : ""), MEM_VIEW_COL_DATA, val, -1);
if (interpretation)
g_string_free(interpretation, TRUE);
}
static void info_bar_show_message(GtkInfoBar *info_bar, GtkMessageType type, const char *format, ...)
{
GString *string;
va_list args;
GtkWidget *content;
GList *children, *iter;
GtkWidget *label;
va_start(args, format);
string = g_string_new(NULL);
g_string_vprintf(string, format, args);
va_end(args);
content = gtk_info_bar_get_content_area(info_bar);
children = gtk_container_get_children(GTK_CONTAINER(content));
for (iter = children; iter; iter = g_list_next(iter))
gtk_widget_destroy(GTK_WIDGET(iter->data));
g_list_free(children);
label = gtk_label_new(string->str);
gtk_container_add(GTK_CONTAINER(content), label);
gtk_widget_show(label);
gtk_info_bar_set_message_type(info_bar, type);
gtk_widget_show(GTK_WIDGET(info_bar));
gtk_info_bar_set_revealed(info_bar, TRUE);
g_string_free(string, TRUE);
}
static bool check_err_mem_header(struct safety_memory_header *header, uint32_t *expected)
{
uint32_t crc;
crc = calculate_stm_crc((uint32_t *)header, sizeof(*header) / sizeof(uint32_t) - 1);
if (expected)
*expected = crc;
if (crc == header->crc)
return true;
else
return false;
}
static GString *new_string_printf(const char *fmt, ...)
{
GString *string;
va_list args;
va_start(args, fmt);
string = g_string_new(NULL);
g_string_vprintf(string, fmt, args);
va_end(args);
return string;
}
static void show_error_memory(GtkTreeView *tree_view, const unsigned char *memory, size_t len)
{
GtkTreeStore *store;
GtkTreeIter iter;
GtkTreeIter iter2;
GtkTreeIter *parent_iter, *child_iter;
enum entry_state state;
GString *interpret;
bool valid;
bool analyze_further = true;
struct safety_memory_header header;
unsigned int i;
uint32_t dat, expected_value;
store = GTK_TREE_STORE(gtk_tree_view_get_model(tree_view));
gtk_tree_store_clear(store);
for (i = 0; i < len / 4; i++) {
valid = false;
interpret = NULL;
dat = memory[i*4];
dat |= ((uint32_t)memory[i*4+1]) << 8;
dat |= ((uint32_t)memory[i*4+2]) << 16;
dat |= ((uint32_t)memory[i*4+3]) << 24;
state = ENTRY_STATE_NOT_PARSED;
if (!analyze_further) {
interpret = g_string_new("Not analyzed due to previous error");
state = ENTRY_STATE_NOT_PARSED;
parent_iter = NULL;
child_iter = &iter;
goto print;
}
/* Parse header */
switch (i) {
case 0: /* Magic */
parent_iter = NULL;
child_iter = &iter;
append_data(store, parent_iter, child_iter, new_string_printf("Header"), ENTRY_STATE_BLOCK, i * 4, dat);
parent_iter = child_iter;
child_iter = &iter2;
if (dat == SAFETY_MEMORY_MAGIC) {
valid = true;
interpret = g_string_new("Valid Header Magic");
} else {
interpret = g_string_new("Invalid Header Magic");
analyze_further = false;
}
header.magic = dat;
break;
case 1:
header.boot_status_offset = dat;
valid = true;
interpret = new_string_printf("Boot status offset addr: %u", dat);
break;
case 2:
header.config_overrides_offset = dat;
interpret = new_string_printf("Config override offset addr: %u", dat);
valid = true;
break;
case 3:
header.config_overrides_len = dat;
interpret = new_string_printf("Config override length: %u", dat);
valid = true;
break;
case 4:
header.err_memory_offset = dat;
interpret = new_string_printf("Error memory offset addr: %u", dat);
valid = true;
break;
case 5:
header.err_memory_end = dat;
interpret = new_string_printf("Error memory end ptr: %u", dat);
valid = true;
break;
case 6:
header.crc = dat;
valid = check_err_mem_header(&header, &expected_value);
if (valid) {
interpret = new_string_printf("Header CRC: 0x%08X", dat);
} else {
interpret = new_string_printf("Invalid CRC: 0x%08X | Expected: 0x%08X", dat, expected_value);
analyze_further = false;
}
break;
}
if (i <= 6) {
state = ENTRY_STATE_INVALID;
goto print;
}
/* Check if we're in the boot status structure */
if (i >= header.boot_status_offset && i < header.boot_status_offset + sizeof(struct safety_memory_boot_status) / 4) {
if (i == header.boot_status_offset) {
/* First entry of boot status struct */
parent_iter = NULL;
child_iter = &iter;
interpret = new_string_printf("Boot Status Struct");
append_data(store, parent_iter, child_iter, interpret, ENTRY_STATE_BLOCK, i * 4, dat);
parent_iter = &iter;
child_iter = &iter2;
interpret = NULL;
}
switch (i - header.boot_status_offset) {
case 0:
interpret = new_string_printf("%s into bootloader", (dat ? "Boot" : "Do not boot"));
valid = true;
break;
case 1:
interpret = new_string_printf("Code %s been updated", (dat ? "has" : "hasn't"));
valid = true;
break;
case 2:
interpret = new_string_printf("Panic %s", (dat ? "occured" : "did not occur"));
valid = true;
break;
default:
valid = false;
interpret = new_string_printf("Value undefined!");
break;
}
state = ENTRY_STATE_INVALID;
goto print;
}
if (i >= header.config_overrides_offset && i < (header.config_overrides_offset + header.config_overrides_len)) {
if (i == header.config_overrides_offset) {
parent_iter = NULL;
child_iter = &iter;
append_data(store, parent_iter, child_iter,
new_string_printf("Config Overrides"),
ENTRY_STATE_BLOCK, i * 4, dat);
parent_iter = child_iter;
child_iter = &iter2;
}
interpret = new_string_printf("Config Overrides not yet implemented");
valid = true;
state = ENTRY_STATE_INVALID;
goto print;
}
if (i >= header.err_memory_offset && i < header.err_memory_end) {
if (i == header.err_memory_offset) {
parent_iter = NULL;
child_iter = &iter;
append_data(store, parent_iter, child_iter,
new_string_printf("Error Memory (length: %d)", header.err_memory_end - header.err_memory_offset),
ENTRY_STATE_BLOCK, i * 4, dat);
parent_iter = child_iter;
child_iter = &iter2;
}
switch (dat) {
case SAFETY_MEMORY_NOP_ENTRY:
valid = true;
interpret = new_string_printf("Error Memory NOP");
break;
default:
if ((dat & 0xFFU) == 0x51U) {
valid = true;
interpret = new_string_printf("Err memory Entry");
} else
interpret = new_string_printf("Invalid error memory entry");
break;
}
state = ENTRY_STATE_INVALID;
goto print;
}
if (i == header.err_memory_end) {
expected_value = calculate_stm_crc((uint32_t *)memory, header.err_memory_end);
if (expected_value == dat) {
interpret = new_string_printf("Valid Memory CRC");
valid = true;
} else {
interpret = new_string_printf("Invalid CRC. Expected: 0x%08X", expected_value);
}
state = ENTRY_STATE_INVALID;
parent_iter = NULL;
child_iter = &iter;
goto print;
}
parent_iter = NULL;
child_iter = &iter;
print:
if (state != ENTRY_STATE_NOT_PARSED) {
state = (valid ? ENTRY_STATE_VALID : ENTRY_STATE_INVALID);
}
append_data(store, parent_iter, child_iter, interpret, state, i * 4, dat);
}
if (!store)
return;
}
void setup_tree_view(GtkTreeView *tree_view)
{
GtkTreeStore *tree_store;
GtkCellRenderer *string_renderer;
GtkCellRenderer *hex_renderer;
GtkTreeViewColumn *column;
g_return_if_fail(GTK_IS_TREE_VIEW(tree_view));
tree_store = gtk_tree_store_new(MEM_VIEW_COLUMN_COUNT, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING, GDK_TYPE_RGBA);
gtk_tree_view_set_model(tree_view, GTK_TREE_MODEL(tree_store));
string_renderer = gtk_cell_renderer_text_new();
hex_renderer = err_mem_view_hex_cell_renderer_new();
column = gtk_tree_view_column_new_with_attributes("Address", hex_renderer, "hex-num", MEM_VIEW_COL_ADDRESS, "foreground-rgba", MEM_VIEW_COLOR, NULL);
gtk_tree_view_append_column(tree_view, column);
column = gtk_tree_view_column_new_with_attributes("Data", hex_renderer, "hex-num", MEM_VIEW_COL_DATA, "foreground-rgba", MEM_VIEW_COLOR, NULL);
gtk_tree_view_append_column(tree_view, column);
column = gtk_tree_view_column_new_with_attributes("Interpretation", string_renderer, "text", MEM_VIEW_COL_INTERPRETATION, "foreground-rgba", MEM_VIEW_COLOR, NULL);
gtk_tree_view_append_column(tree_view, column);
}
static ptrdiff_t get_file_size(const char *filename)
{
struct stat file_stat;
int res;
ptrdiff_t size;
res = stat(filename, &file_stat);
if (res)
size = -1UL;
else
size = (ptrdiff_t)file_stat.st_size;
return size;
}
/**
* @brief Loads a file to memory and decodes it using base64
* @param name Filename
* @param detected_size detected Size of the ouput generated
* @return Buffer of decoded data with size \p detected_size, NULL in case of an error.
* @note Return buffer is allocated on heap. Use free() to free the memory.
*/
static char *load_file_to_memory(const char *name, size_t *detected_size)
{
ptrdiff_t size;
FILE *f;
char *ret = NULL;
size_t read_bytes;
gsize decoded_size;
size = get_file_size(name);
if (size <= 0)
goto exit;
f = fopen(name, "rb");
ret = (char *)malloc(size + 1);
if (!ret)
goto exit_close_file;
read_bytes = fread(ret, 1UL, (size_t)size, f);
if (read_bytes != (size_t)size) {
free(ret);
ret = NULL;
goto exit_close_file;
}
ret[size] = '\0';
g_base64_decode_inplace(ret, &decoded_size);
if (decoded_size == 0) {
free(ret);
ret = NULL;
goto exit_close_file;
}
if (detected_size)
*detected_size = (size_t)decoded_size;
exit_close_file:
fclose(f);
exit:
return ret;
}
G_MODULE_EXPORT
void info_bar_close_cb(GtkInfoBar *info_bar, gpointer user_data)
{
(void)user_data;
gtk_info_bar_set_revealed(info_bar, FALSE);
}
G_MODULE_EXPORT
void open_button_clicked_cb(GtkButton *button, gpointer *user_data)
{
struct application_data *data = (struct application_data *)user_data;
(void)button;
GtkDialog *dialog;
gint res;
gchar *filename;
dialog = GTK_DIALOG(gtk_file_chooser_dialog_new("Open File", GTK_WINDOW(data->borrowed_main_window),
GTK_FILE_CHOOSER_ACTION_OPEN,
"Cancel", GTK_RESPONSE_CANCEL,
"Open", GTK_RESPONSE_ACCEPT,
NULL));
res = gtk_dialog_run(dialog);
if (res == GTK_RESPONSE_ACCEPT) {
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
if (data->error_memory_data)
free((void *)data->error_memory_data);
data->error_memory_data = load_file_to_memory(filename, &data->file_size);
if (!data->error_memory_data) {
g_warning("File could not be loaded");
g_free(filename);
goto ret_destroy_dialog;
}
gtk_header_bar_set_subtitle(data->borrowed_header_bar, filename);
g_free(filename);
} else {
goto ret_destroy_dialog;
}
if (data->file_size % 4 || data->file_size == 0) {
free((void *)data->error_memory_data);
data->error_memory_data = NULL;
info_bar_show_message(data->borrowed_info_bar, GTK_MESSAGE_WARNING,
"Data must be base64 encoded and must contain full 32 bit words of data.");
goto ret_destroy_dialog;
}
show_error_memory(data->borrowed_tree_view, (const unsigned char *)data->error_memory_data, data->file_size);
ret_destroy_dialog:
gtk_widget_destroy(GTK_WIDGET(dialog));
}
static void app_activated(GApplication *app, gpointer user_data)
{
struct application_data *data = (struct application_data *)user_data;
GtkBuilder *builder;
GtkWindow *main_window;
builder = gtk_builder_new_from_resource("/gui/main");
main_window = GTK_WINDOW(gtk_builder_get_object(builder, "main-window"));
data->borrowed_main_window = GTK_WIDGET(main_window);
data->error_memory_data = NULL;
data->borrowed_tree_view = GTK_TREE_VIEW(gtk_builder_get_object(builder, "error-mem-tree-view"));
data->borrowed_header_bar = GTK_HEADER_BAR(gtk_builder_get_object(builder, "header-bar"));
data->borrowed_info_bar = GTK_INFO_BAR(gtk_builder_get_object(builder, "info-bar"));
setup_tree_view(data->borrowed_tree_view);
gtk_builder_connect_signals(builder, data);
g_object_unref(builder);
gtk_application_add_window(GTK_APPLICATION(app), main_window);
gtk_widget_show(GTK_WIDGET(main_window));
}
static int start_gui(int argc, char **argv)
{
int ret = 0;
GtkApplication *g_app;
static struct application_data data;
/* Create a new G application which will start a completely new process for each call to the program (NON_UNIQUE) instead
* of creating an additional window in the same process
*/
g_app = gtk_application_new("de.shimatta.reflow.error-mem-viewer", G_APPLICATION_NON_UNIQUE);
g_signal_connect(g_app, "activate", G_CALLBACK(app_activated), &data);
ret = g_application_run(G_APPLICATION(g_app), argc, argv);
g_object_unref(g_app);
if (data.error_memory_data)
free((void *)data.error_memory_data);
return ret;
}
int main(int argc, char **argv)
{
return start_gui(argc, argv);
}