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detector.c
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detector.c
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/* ***************************************************************************
* detector.c -- detector
*
* Copyright (C) 2019-2020 by Liu Chao <[email protected]>
*
* This file is part of the LC-Finder project, and may only be used, modified,
* and distributed under the terms of the GPLv2.
*
* By continuing to use, modify, or distribute this file you indicate that you
* have read the license and understand and accept it fully.
*
* The LC-Finder project 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 GPL v2 for more details.
*
* You should have received a copy of the GPLv2 along with this file. It is
* usually in the LICENSE.TXT file, If not, see <http://www.gnu.org/licenses/>.
* ****************************************************************************/
/* ****************************************************************************
* detector.c -- 检测器,基于 darknet 实现
*
* 版权所有 (C) 2019-2020 归属于 刘超 <[email protected]>
*
* 这个文件是 LC-Finder 项目的一部分,并且只可以根据GPLv2许可协议来使用、更改和
* 发布。
*
* 继续使用、修改或发布本文件,表明您已经阅读并完全理解和接受这个许可协议。
*
* LC-Finder 项目是基于使用目的而加以散布的,但不负任何担保责任,甚至没有适销
* 性或特定用途的隐含担保,详情请参照GPLv2许可协议。
*
* 您应已收到附随于本文件的GPLv2许可协议的副本,它通常在 LICENSE 文件中,如果
* 没有,请查看:<http://www.gnu.org/licenses/>.
* ****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <LCUI_Build.h>
#include <LCUI/types.h>
#include <LCUI/util/charset.h>
#include <LCUI/util.h>
#include <LCUI/thread.h>
#include "finder.h"
#include "detector.h"
#include "common.h"
#include "darknet.h"
// clang-format off
#define ASSERT(X) \
if (!(X)) { \
ret = -1; \
goto faild; \
}
#define MODELS_DIR L"models"
#define CFG_FILE_EXT L".cfg"
#define DATA_FILE_EXT L".data"
#define WEIGHTS_FILE_EXT L".weights"
#define NAMES_FILE_EXT L".names"
#define TEMPLATE_DATA_FILE "detector/template/coco.data"
#define TEMPLATE_MODEL_FILE "detector/template/darknet53.conv.74"
#define TEMPLATE_CFG_FILE "detector/template/yolov3.cfg"
#define TASKS_DIR "detector/tasks"
typedef enum DetectorState {
DETECTOR_STATE_READY,
DETECTOR_STATE_LOADING,
DETECTOR_STATE_STOPPED
} DetectorState;
typedef struct ConfigReplaceItemRec_ {
LCUI_BOOL replaced;
const char *name;
char value[64];
int count;
} ConfigReplaceItemRec, *ConfigReplaceItem;
static struct DetetctorModule {
darknet_network_t *net;
darknet_detector_t *detector;
LinkedList models;
DetectorModel model;
DetectorState state;
LCUI_Thread threads[DETECTOR_TASK_TOTAL_NUM];
LCUI_Mutex mutex;
LCUI_Cond cond;
int error;
char error_msg[1024];
wchar_t workdir[1024];
} dmod;
// clang-format on
static LCUI_BOOL TaskActive(DetectorTask task)
{
return dmod.state == DETECTOR_STATE_READY &&
task->state == DETECTOR_TASK_STATE_RUNNING;
}
static void FreeIfValid(void *ptr)
{
if (ptr) {
free(ptr);
}
}
static int Detector_SetError(int err, const char *msg)
{
dmod.error = err;
strncpy(dmod.error_msg, msg, 1024);
dmod.error_msg[1023] = 0;
return err;
}
static void DetectorModel_Destroy(DetectorModel model)
{
FreeIfValid(model->name);
FreeIfValid(model->path);
FreeIfValid(model->weights);
FreeIfValid(model->datacfg);
FreeIfValid(model->cfg);
FreeIfValid(model);
}
static int DetectorModel_LoadClasses(DetectorModel model)
{
char *path;
darknet_dataconfig_t *cfg;
if (!model->datacfg) {
return -1;
}
path = EncodeANSI(model->datacfg);
cfg = darknet_dataconfig_load(path);
model->classes = darknet_dataconfig_get_classes(cfg);
darknet_dataconfig_destroy(cfg);
free(path);
return 0;
}
static DetectorModel DetectorModel_Create(const wchar_t *modeldir)
{
LCUI_Dir dir;
LCUI_DirEntry *entry;
DetectorModel model;
size_t dir_len;
wchar_t *name, *file, path[PATH_LEN + 1];
model = malloc(sizeof(DetectorModelRec));
if (!model) {
return NULL;
}
wcscpy(path, modeldir);
if (LCUI_OpenDirW(path, &dir) != 0) {
Logger_Debug("[detector] open model directory failed: %ls\n", path);
free(model);
return NULL;
}
model->cfg = NULL;
model->datacfg = NULL;
model->weights = NULL;
model->classes = 0;
model->path = wcsdup2(modeldir);
model->name = wcsdup2(wgetfilename(modeldir));
dir_len = wcslen(modeldir);
path[dir_len++] = PATH_SEP;
file = path + dir_len;
while ((entry = LCUI_ReadDirW(&dir))) {
name = LCUI_GetFileNameW(entry);
if (name[0] == '.') {
continue;
}
if (!LCUI_FileIsRegular(entry)) {
continue;
}
wcscpy(file, name);
if (wcheckfileext(name, CFG_FILE_EXT) == 0) {
model->cfg = wcsdup2(path);
} else if (wcheckfileext(name, DATA_FILE_EXT) == 0) {
model->datacfg = wcsdup2(path);
} else if (wcheckfileext(name, WEIGHTS_FILE_EXT) == 0) {
model->weights = wcsdup2(path);
}
}
DetectorModel_LoadClasses(model);
return model;
}
int Detector_Init(const wchar_t *workdir)
{
LCUI_Dir dir;
LCUI_DirEntry *entry;
DetectorModel model;
size_t dir_len;
wchar_t *name, *file, path[PATH_LEN + 1];
wpathjoin(path, workdir, L"detector");
wcscpy(dmod.workdir, path);
dir_len = wpathjoin(path, path, MODELS_DIR);
if (LCUI_OpenDirW(path, &dir) != 0) {
Logger_Debug("[detector] open directory failed: %ls\n", path);
return -ENOENT;
}
path[dir_len++] = PATH_SEP;
file = path + dir_len;
Logger_Debug("[detector] load models...\n");
while ((entry = LCUI_ReadDirW(&dir))) {
name = LCUI_GetFileNameW(entry);
if (name[0] == '.') {
continue;
}
if (!LCUI_FileIsDirectory(entry)) {
continue;
}
wcscpy(file, name);
model = DetectorModel_Create(path);
if (model) {
Logger_Debug("[detector] load model: %ls\n", model->name);
LinkedList_Append(&dmod.models, model);
}
}
return 0;
}
static void DestroyDetectorModel(void *arg)
{
DetectorModel_Destroy(arg);
}
void Detector_Free(void)
{
int i;
dmod.state = DETECTOR_STATE_STOPPED;
for (i = 0; i < DETECTOR_TASK_TOTAL_NUM; ++i) {
LCUIThread_Join(dmod.threads[i], NULL);
}
dmod.model = NULL;
LinkedList_ClearData(&dmod.models, DestroyDetectorModel);
}
static void Detector_Unload(void)
{
if (!dmod.detector) {
return;
}
darknet_detector_destroy(dmod.detector);
darknet_network_destroy(dmod.net);
dmod.detector = NULL;
}
static int Detector_Reload(void)
{
int ret = 0;
char *workdir;
char *cfgfile;
char *datacfgfile;
char *weightsfile;
darknet_config_t *cfg = NULL;
darknet_dataconfig_t *datacfg = NULL;
LCUIMutex_Lock(&dmod.mutex);
dmod.state = DETECTOR_STATE_LOADING;
Detector_Unload();
workdir = EncodeANSI(dmod.model->path);
cfgfile = EncodeANSI(dmod.model->cfg);
datacfgfile = EncodeANSI(dmod.model->datacfg);
weightsfile = EncodeANSI(dmod.model->weights);
darknet_try
{
cfg = darknet_config_load(cfgfile);
datacfg = darknet_dataconfig_load(datacfgfile);
darknet_config_set_workdir(cfg, workdir);
darknet_dataconfig_set_workdir(datacfg, workdir);
dmod.net = darknet_network_create(cfg);
darknet_network_load_weights(dmod.net, weightsfile);
dmod.detector = darknet_detector_create(dmod.net, datacfg);
dmod.state = DETECTOR_STATE_READY;
}
darknet_catch(err)
{
Detector_SetError(err, darknet_get_last_error_string());
ret = -1;
}
darknet_etry;
free(workdir);
free(cfgfile);
free(datacfgfile);
free(weightsfile);
darknet_config_destroy(cfg);
darknet_dataconfig_destroy(datacfg);
LCUICond_Signal(&dmod.cond);
LCUIMutex_Unlock(&dmod.mutex);
return ret;
}
const char *Detector_GetLastErrorString(void)
{
return dmod.error_msg;
}
size_t Detector_GetModels(DetectorModel **out_models)
{
size_t i = 0;
DetectorModel *models;
LinkedListNode *node;
models = malloc(sizeof(DetectorModel *) * (dmod.models.length + 1));
if (!models) {
return 0;
}
for (LinkedList_Each(node, &dmod.models)) {
models[i++] = node->data;
}
models[dmod.models.length] = NULL;
*out_models = models;
return dmod.models.length;
}
int Detector_SetModel(const wchar_t *name)
{
DetectorModel model;
LinkedListNode *node;
for (LinkedList_Each(node, &dmod.models)) {
model = node->data;
if (wcscmp(model->name, name) == 0) {
dmod.model = model;
return Detector_Reload();
}
}
dmod.error = -ENOENT;
strcpy(dmod.error_msg, "model not found");
return -ENOENT;
}
static int Detector_SaveFileAnnotations(const char *path, darknet_detections_t *dets)
{
FILE *fp;
DB_Tag tag;
size_t i;
wchar_t *wpath;
wchar_t *datafile;
darknet_detection_t *det;
wpath = DecodeUTF8(path);
datafile = GetAnnotationFileNameW(wpath);
fp = wfopen(datafile, L"w+");
if (!fp) {
_DEBUG_MSG("cannot open file: %ls\n", datafile);
free(wpath);
return -1;
}
for (i = 0; i < dets->length; ++i) {
det = &dets->list[i];
tag = LCFinder_GetTag(det->best_name);
if (tag) {
fprintf(fp, "%d %f %f %f %f\n", tag->id, det->box.x,
det->box.y, det->box.w, det->box.h);
}
}
free(wpath);
free(datafile);
fclose(fp);
return 0;
}
static int Detector_DetectFile(DB_File file)
{
size_t i;
DB_Tag tag;
darknet_detections_t dets;
darknet_detector_test(dmod.detector, file->path, &dets);
for (i = 0; i < dets.length; ++i) {
tag = LCFinder_GetTag(dets.list[i].best_name);
if (!tag) {
tag = LCFinder_AddTag(dets.list[i].best_name);
}
DBFile_AddTag(file, tag);
}
Detector_SaveFileAnnotations(file->path, &dets);
darknet_detections_destroy(&dets);
return 0;
}
static int DetectorModel_InitConfigFile(DetectorModel model)
{
FILE *infile;
FILE *outfile;
size_t i;
char buff[1024] = { 0 };
ConfigReplaceItem item;
ConfigReplaceItemRec items[4] = { { FALSE, "${batch}", "64", 1 },
{ FALSE, "${subdivisions}", "8", 1 },
{ FALSE, "${classes}", "0", 3 },
{ FALSE, "${filters}", "0", 3 } };
sprintf(items[2].value, "%zu", model->classes);
sprintf(items[3].value, "%zu", (model->classes + 5) * 3);
infile = fopen(TEMPLATE_CFG_FILE, "r");
if (!infile) {
return Detector_SetError(
-ENOENT, "cannot open file: " TEMPLATE_CFG_FILE);
}
outfile = wfopen(model->cfg, L"w+");
if (!outfile) {
fclose(infile);
snprintf(buff, 1024, "cannot create file: %ls", model->cfg);
return Detector_SetError(-EIO, buff);
}
while (fgets(buff, sizeof(buff), infile)) {
for (i = 0; i < 4; ++i) {
item = &items[i];
if (item->replaced) {
continue;
}
if (strreplace(buff, 1024, item->name, item->value)) {
items[i].count -= 1;
if (items[i].count < 1) {
items[i].replaced = TRUE;
}
break;
}
}
fputs(buff, outfile);
fputc('\n', outfile);
}
fputc('\n', outfile);
fclose(infile);
fclose(outfile);
return 0;
}
static int DetectorModel_InitDir(DetectorModel model)
{
return wmkdir(model->path);
}
static int DetectorModel_InitDataFile(DetectorModel model)
{
FILE *fp;
char buff[1024];
fp = wfopen(model->datacfg, L"w+");
if (!fp) {
snprintf(buff, 1024, "cannot create file: %ls", model->datacfg);
return Detector_SetError(-EIO, buff);
}
fprintf(fp, "classes=%zu\n", model->classes);
fprintf(fp, "names=%ls%ls\n", model->name, NAMES_FILE_EXT);
fputs("backup=backup\n\n", fp);
fclose(fp);
return 0;
}
static int DetectorModel_InitWeightsFile(DetectorModel model)
{
int ret;
char *path;
path = EncodeANSI(model->weights);
ret = cp(TEMPLATE_MODEL_FILE, path);
free(path);
return ret;
}
wchar_t *DetectorModel_GetNamesFile(DetectorModel model)
{
wchar_t *path;
path = malloc(sizeof(wchar_t) * (PATH_LEN + 1));
wpathjoin(path, model->path, model->name);
wcscat(path, NAMES_FILE_EXT);
return path;
}
static int DetectorModel_InitNamesFile(DetectorModel model, DB_Tag *tags)
{
FILE *fp;
size_t i;
wchar_t *wpath;
char *path;
char buff[1024];
wpath = DetectorModel_GetNamesFile(model);
path = EncodeANSI(wpath);
free(wpath);
fp = fopen(path, "w+");
if (!fp) {
snprintf(buff, 1024, "cannot create file: %s", path);
return Detector_SetError(-EIO, buff);
}
for (i = 0; i < model->classes; ++i) {
fputs(tags[i]->name, fp);
fputc('\n', fp);
}
fclose(fp);
free(path);
return 0;
}
DetectorModel Detector_CreateModel(const wchar_t *name)
{
size_t i;
wchar_t path[PATH_LEN + 1];
DetectorModel model;
DB_Tag *tags;
model = malloc(sizeof(DetectorModelRec));
if (!model) {
return NULL;
}
wpathjoin(path, dmod.workdir, MODELS_DIR);
wpathjoin(path, path, name);
model->name = wcsdup2(name);
model->path = wcsdup2(path);
model->classes = DB_GetTagsOrderById(&tags);
model->cfg = malloc(sizeof(char) * (PATH_LEN + 1));
model->datacfg = malloc(sizeof(char) * (PATH_LEN + 1));
model->weights = malloc(sizeof(char) * (PATH_LEN + 1));
wpathjoin(model->cfg, path, name);
wpathjoin(model->datacfg, path, name);
wpathjoin(model->weights, path, name);
wcscat(model->cfg, CFG_FILE_EXT);
wcscat(model->datacfg, DATA_FILE_EXT);
wcscat(model->weights, WEIGHTS_FILE_EXT);
DetectorModel_InitDir(model);
DetectorModel_InitDataFile(model);
DetectorModel_InitConfigFile(model);
DetectorModel_InitNamesFile(model, tags);
DetectorModel_InitWeightsFile(model);
for (i = 0; i < model->classes; ++i) {
DBTag_Release(tags[i]);
}
free(tags);
LinkedList_Append(&dmod.models, model);
return model;
}
int Detector_DestroyModel(DetectorModel model)
{
int ret = 0;
LinkedListNode *node;
if (dmod.model == model) {
dmod.model = NULL;
}
ret |= MoveFileToTrashW(model->cfg);
ret |= MoveFileToTrashW(model->datacfg);
ret |= MoveFileToTrashW(model->weights);
ret |= MoveFileToTrashW(model->path);
for (LinkedList_Each(node, &dmod.models)) {
if (model == node->data) {
DetectorModel_Destroy(model);
LinkedList_DeleteNode(&dmod.models, node);
break;
}
}
return ret;
}
DetectorTask Detector_CreateTask(DetectorTaskType type)
{
DetectorTask task = malloc(sizeof(DetectorTaskRec));
task->type = type;
task->current = 0;
task->total = 0;
task->state = DETECTOR_STATE_READY;
return task;
}
void Detector_CancelTask(DetectorTask task)
{
if (dmod.threads[task->type]) {
task->state = DETECTOR_TASK_STATE_CANCELED;
LCUIThread_Join(dmod.threads[task->type], NULL);
dmod.threads[task->type] = 0;
}
}
void Detector_FreeTask(DetectorTask task)
{
Detector_CancelTask(task);
free(task);
}
static void OnFreeDBFile(void *arg)
{
DBFile_Release(arg);
}
static int Detector_RunTrainingTask(DetectorTask task)
{
}
int Detector_RunTask(DetectorTask task)
{
size_t i;
size_t count;
DB_File file;
DB_Query query;
LinkedList files;
LinkedListNode *node;
DB_QueryTermsRec terms = { 0 };
if (!dmod.model) {
Logger_Debug("[detector] not model selected\n");
return -ENOENT;
}
task->state = DETECTOR_TASK_STATE_PREPARING;
if (!dmod.detector) {
while (dmod.state == DETECTOR_STATE_LOADING) {
LCUICond_TimedWait(&dmod.cond, &dmod.mutex, 2000);
}
if (!dmod.detector) {
Detector_Reload();
}
}
task->state = DETECTOR_TASK_STATE_RUNNING;
terms.limit = 512;
terms.modify_time = DESC;
terms.n_dirs = LCFinder_GetSourceDirList(&terms.dirs);
if (terms.n_dirs == finder.n_dirs) {
free(terms.dirs);
terms.dirs = NULL;
terms.n_dirs = 0;
}
query = DB_NewQuery(&terms);
task->total = DBQuery_GetTotalFiles(query);
DB_DeleteQuery(query);
LinkedList_Init(&files);
for (count = 0; TaskActive(task) && count < task->total;) {
query = DB_NewQuery(&terms);
for (i = 0; TaskActive(task); ++count, ++i) {
file = DBQuery_FetchFile(query);
if (!file) {
break;
}
LinkedList_Append(&files, file);
}
terms.offset += terms.limit;
DB_DeleteQuery(query);
if (i < terms.limit) {
break;
}
}
for (LinkedList_Each(node, &files)) {
if (!TaskActive(task)) {
break;
}
Detector_DetectFile(node->data);
++task->current;
}
if (terms.dirs) {
free(terms.dirs);
terms.dirs = NULL;
}
LinkedList_ClearData(&files, OnFreeDBFile);
if (task->state == DETECTOR_TASK_STATE_RUNNING) {
task->state = DETECTOR_TASK_STATE_FINISHED;
}
return 0;
}
static void Detector_TaskThread(void *arg)
{
Detector_RunTask(arg);
LCUIThread_Exit(NULL);
}
int Detector_RunTaskAync(DetectorTask task)
{
if (task->state != DETECTOR_TASK_STATE_READY) {
return -1;
}
LCUIThread_Create(&dmod.threads[task->type], Detector_TaskThread, task);
return 0;
}