/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2020-2020. All rights reserved.
 * Description: drvier
 * Create: 2020-10-12
 */

#include "drv_event.h"
#include "osal_ext.h"
#include "soc_log.h"
#include "drv_base_ext.h"
#include "linux/huanglong/securec.h"

#define EVENT_MAX_HANDLE_NUM 128

typedef struct {
    td_handle handle;
    td_bool  busy;
    struct dft_event *event;
    osal_mutex event_mutex;
} dft_event_instance;

static osal_mutex g_instance_mutex;
static dft_event_instance g_instance_set[EVENT_MAX_HANDLE_NUM];

td_handle event_index_to_handle(td_u32 index)
{
    return TD_HANDLE_INIT(SOC_ID_EVENT, 0, index);
}

td_u32 event_handle_to_index(td_handle handle)
{
    return TD_HANDLE_GET_CHAN_ID(handle);
}

td_s32 get_index_by_handle(td_handle handle, td_u32 *index)
{
    td_s32 ret;

    if (index == NULL) {
        osal_printk("%s[%d]: index points to NULL!\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
        goto OUT;
    }
    *index = event_handle_to_index(handle);
    if (*index >= EVENT_MAX_HANDLE_NUM) {
        osal_printk("%s[%d]: invalid index\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
        goto OUT;
    }
    ret = TD_SUCCESS;
OUT:
    return ret;
}

td_s32 instance_lock(td_u32 index)
{
    td_s32 ret;
    osal_mutex_lock(&g_instance_set[index].event_mutex);
    if (g_instance_set[index].busy == TD_FALSE) {
        osal_printk("%s[%d]: handle is not used\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
        goto OUT;
    }
    ret = TD_SUCCESS;
OUT:
    return ret;
}
td_void instance_unlock(td_u32 index)
{
    osal_mutex_unlock(&g_instance_set[index].event_mutex);
}

/* drv interface */
td_s32 dft_drv_event_create(td_u32 id, td_handle *handle)
{
    struct dft_event *event = NULL;
    td_s32 ret;
    td_u32 index;

    osal_mutex_lock(&g_instance_mutex);
    if (handle == NULL) {
        osal_printk("%s[%d]: invalid parameter!\n", __FUNCTION__, __LINE__);
        goto OUT;
    }
    ret = drv_event_create(id, &event);
    if ((ret != TD_SUCCESS) || (event == NULL)) {
        osal_printk("%s[%d]: event create failed!\n", __FUNCTION__, __LINE__);
        goto OUT;
    }

    for (index = 0; index < EVENT_MAX_HANDLE_NUM; index++) {
        if (g_instance_set[index].busy == TD_FALSE) {
            break;
        }
    }
    if (index == EVENT_MAX_HANDLE_NUM) {
        osal_printk("%s[%d]: handle busy!\n", __FUNCTION__, __LINE__);
        goto OUT;
    }
    osal_mutex_lock(&g_instance_set[index].event_mutex);
    *handle = event_index_to_handle(index);
    g_instance_set[index].busy = TD_TRUE;
    g_instance_set[index].event = event;
    g_instance_set[index].handle = *handle;
    osal_mutex_unlock(&g_instance_set[index].event_mutex);
    osal_mutex_unlock(&g_instance_mutex);
    return TD_SUCCESS;

OUT:
    osal_mutex_unlock(&g_instance_mutex);
    return TD_FAILURE;
}
EXPORT_SYMBOL(dft_drv_event_create);

td_s32 dft_drv_event_set_time(td_handle handle, td_s64 seconds)
{
    td_u32 index;
    td_s32 ret;

    if ((handle == TD_INVALID_HANDLE) || (seconds == 0)) {
        osal_printk("%s[%d]: invalid parameter!\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
        goto OUT;
    }
    ret = get_index_by_handle(handle, &index);
    if (ret == TD_SUCCESS) {
        ret = instance_lock(index);
        if (ret == TD_SUCCESS) {
            ret = drv_event_set_time(g_instance_set[index].event, seconds);
        }
        instance_unlock(index);
    }
OUT:
    return ret;
}
EXPORT_SYMBOL(dft_drv_event_set_time);

td_s32 dft_drv_event_put_integral(td_handle handle, const td_char *key, td_slong value)
{
    td_u32 index;
    td_s32 ret;

    if ((handle == TD_INVALID_HANDLE) || (key == NULL)) {
        osal_printk("%s[%d]: invalid parameter!\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
        goto OUT;
    }

    ret = get_index_by_handle(handle, &index);
    if (ret == TD_SUCCESS) {
        ret = instance_lock(index);
        if (ret == TD_SUCCESS) {
            ret = drv_event_put_integral(g_instance_set[index].event, key, value);
        }
        instance_unlock(index);
    }
OUT:
    return ret;
}
EXPORT_SYMBOL(dft_drv_event_put_integral);

td_s32 dft_drv_event_put_string(td_handle handle, const td_char *key, const td_char *value)
{
    td_u32 index;
    td_s32 ret;

    if ((handle == TD_INVALID_HANDLE) || (key == NULL) || (value == NULL)) {
        osal_printk("%s[%d]: invalid parameter!\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
        goto OUT;
    }

    ret = get_index_by_handle(handle, &index);
    if (ret == TD_SUCCESS) {
        ret = instance_lock(index);
        if (ret == TD_SUCCESS) {
            ret = drv_event_put_string(g_instance_set[index].event, key, value);
        }
        instance_unlock(index);
    }
OUT:
    return ret;
}
EXPORT_SYMBOL(dft_drv_event_put_string);

td_s32 dft_drv_event_add_file_path(td_handle handle, const td_char *path)
{
    td_u32 index;
    td_s32 ret;

    if ((handle == TD_INVALID_HANDLE) || (path == NULL)) {
        osal_printk("%s[%d]: invalid parameter!\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
        goto OUT;
    }

    ret = get_index_by_handle(handle, &index);
    if (ret == TD_SUCCESS) {
        ret = instance_lock(index);
        if (ret == TD_SUCCESS) {
            ret = drv_event_add_file_path(g_instance_set[index].event, path);
        }
        instance_unlock(index);
    }
OUT:
    return ret;
}
EXPORT_SYMBOL(dft_drv_event_add_file_path);

td_s32 dft_drv_event_report(td_handle handle)
{
    td_u32 index;
    td_s32 ret;

    if (handle == TD_INVALID_HANDLE) {
        osal_printk("%s[%d]: invalid parameter!\n", __FUNCTION__, __LINE__);
        ret = TD_FAILURE;
    }

    ret = get_index_by_handle(handle, &index);
    if (ret == TD_SUCCESS) {
        ret = instance_lock(index);
        if (ret == TD_SUCCESS) {
            ret = drv_event_report(g_instance_set[index].event);
        }
        instance_unlock(index);
    }
OUT:
    return ret;
}
EXPORT_SYMBOL(dft_drv_event_report);

td_void dft_drv_event_destroy(td_handle handle)
{
    td_u32 index;
    td_s32 ret;

    if (handle == TD_INVALID_HANDLE) {
        osal_printk("%s[%d]: invalid parameter!\n", __FUNCTION__, __LINE__);
        return;
    }
    osal_mutex_lock(&g_instance_mutex);
    ret = get_index_by_handle(handle, &index);
    if (ret == TD_SUCCESS) {
        ret = instance_lock(index);
        if (ret == TD_SUCCESS) {
            drv_event_destroy(g_instance_set[index].event);
            g_instance_set[index].busy = TD_FALSE;
            g_instance_set[index].event = TD_NULL;
            g_instance_set[index].handle = TD_INVALID_HANDLE;
        }
        instance_unlock(index);
    }
    osal_mutex_unlock(&g_instance_mutex);
}
EXPORT_SYMBOL(dft_drv_event_destroy);

td_s32 dft_event_mod_init(td_void)
{
    td_s32 ret;
    td_u32 index;

    ret = osal_exportfunc_register(SOC_ID_EVENT, "DFT_EVENT", TD_NULL);
    if (ret != TD_SUCCESS) {
        osal_printk("register dft event module failed\n");
        goto OUT;
    }

    osal_mutex_init(&g_instance_mutex);
    for (index = 0; index < EVENT_MAX_HANDLE_NUM; index++) {
        osal_mutex_init(&g_instance_set[index].event_mutex);
        g_instance_set[index].busy = TD_FALSE;
        g_instance_set[index].event = TD_NULL;
        g_instance_set[index].handle = TD_INVALID_HANDLE;
    }
    return TD_SUCCESS;
OUT:
    return ret;
}

td_void dft_event_mod_exit(td_void)
{
    td_u32 index;
    osal_mutex_destroy(&g_instance_mutex);
    for (index = 0; index < EVENT_MAX_HANDLE_NUM; index++) {
        osal_mutex_destroy(&g_instance_set[index].event_mutex);
        g_instance_set[index].busy = TD_FALSE;
        g_instance_set[index].event = TD_NULL;
        g_instance_set[index].handle = TD_INVALID_HANDLE;
    }
    osal_exportfunc_unregister(SOC_ID_EVENT);
}

#ifdef MODULE
module_init(dft_event_mod_init);
module_exit(dft_event_mod_exit);
#else

#ifndef CONFIG_SOCT_RECOVERY_SUPPORT
soc_initcall(dft_event_mod_init);
#endif

#endif

MODULE_AUTHOR("HUANGLONG");
MODULE_LICENSE("GPL");