diff options
Diffstat (limited to 'stacks/lwip_stack/lwip_src/maintain/spl_res_mgr.c')
| -rw-r--r-- | stacks/lwip_stack/lwip_src/maintain/spl_res_mgr.c | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/stacks/lwip_stack/lwip_src/maintain/spl_res_mgr.c b/stacks/lwip_stack/lwip_src/maintain/spl_res_mgr.c new file mode 100644 index 0000000..b45ba33 --- /dev/null +++ b/stacks/lwip_stack/lwip_src/maintain/spl_res_mgr.c @@ -0,0 +1,392 @@ +/* +* +* Copyright (c) 2018 Huawei Technologies Co.,Ltd. +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at: +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/*==============================================* + * include header files * + *----------------------------------------------*/ + +/*==============================================* + * constants or macros define * + *----------------------------------------------*/ + +/*==============================================* + * project-wide global variables * + *----------------------------------------------*/ + +/*==============================================* + * routines' or functions' implementations * + *----------------------------------------------*/ + +#include <stdlib.h> +#include "types.h" +#include "nstack_securec.h" +#include "nsfw_init_api.h" +#include "common_mem_mbuf.h" + +#include "nstack_log.h" +#include "nsfw_maintain_api.h" + +#include "nsfw_mem_api.h" +#include "nsfw_fd_timer_api.h" +#include "nsfw_ring_data.h" + +#include "common_func.h" + +#ifdef __cplusplus +/* *INDENT-OFF* */ +extern "C"{ +/* *INDENT-ON* */ +#endif /* __cplusplus */ + +nsfw_res_mgr_item_cfg g_all_res_can[NSFW_MAX_RES_SCAN_COUNT]; + +#define NSFW_RES_SCAN_TVLAUE_DEF 60 +#define NSFW_RES_SCAN_TVLAUE (g_scan_cfg.scan_tvalue) + +typedef struct _nsfw_res_scan_init_cfg +{ + nsfw_timer_info *scan_timer; + u16 scan_tvalue; +} nsfw_res_scan_init_cfg; +nsfw_res_scan_init_cfg g_scan_cfg; + +static inline u32 spl_get_alloc_count(u32 head, u32 tail) +{ + if (head >= tail) + { + return head - tail; + } + + return head + (0xFFFFFFFF - tail); +} + +int spl_res_sp_item_chk(void *data, void *argv) +{ + nsfw_res_mgr_item_cfg *res_scn_item = (nsfw_res_mgr_item_cfg *) argv; + nsfw_res_scn_cfg *scn_cfg = &res_scn_item->scn_cfg; + char *elm = (char *) data; + + if (NULL == scn_cfg || NULL == elm) + { + return FALSE; + } + + nsfw_res *res_item = NULL; + res_item = (nsfw_res *) (elm + scn_cfg->res_mem_offset); + if (0 == res_item->chk_count) + { + res_item->data = res_scn_item->cons_head; + } + res_item->chk_count++; + + if (res_item->chk_count < scn_cfg->force_free_chk_num) + { + return FALSE; + } + + if (res_scn_item->free_percent > scn_cfg->force_free_percent) + { + return FALSE; + } + + if (scn_cfg->total_num * scn_cfg->alloc_speed_factor > + spl_get_alloc_count(res_scn_item->cons_head, res_item->data)) + { + return FALSE; + } + + if (NULL == scn_cfg->free_fun) + { + return FALSE; + } + + if (TRUE == scn_cfg->free_fun((void *) elm)) + { + res_scn_item->force_count++; + } + + res_item->chk_count = 0; + return TRUE; +} + +int spl_res_flash_data(nsfw_res_mgr_item_cfg * res_scn_item) +{ + nsfw_res_scn_cfg *scn_cfg = &res_scn_item->scn_cfg; + + u32 cur_head = 0; + u32 cur_tail = 0; + u32 elm_num = 0; + u32 free_count = 0; + + switch (scn_cfg->type) + { + case NSFW_RES_SCAN_MBUF: + { + struct common_mem_ring *ring = + (struct common_mem_ring *) scn_cfg->mgr_ring; + struct common_mem_mempool *mp = + (struct common_mem_mempool *) scn_cfg->data; + if (NULL == ring) + { + ring = mp->pool_data; + if (NULL == ring) + return FALSE; + } + cur_head = ring->prod.head; + cur_tail = ring->cons.head; + elm_num = mp->size; + } + break; + case NSFW_RES_SCAN_SPOOL: + { + struct nsfw_mem_ring *mem_ring = + (struct nsfw_mem_ring *) scn_cfg->mgr_ring; + if (NULL == mem_ring) + { + mem_ring = (struct nsfw_mem_ring *) scn_cfg->data; + if (NULL == mem_ring) + return FALSE; + } + + cur_head = mem_ring->prod.head; + cur_tail = mem_ring->cons.tail; + elm_num = mem_ring->size; + } + break; + case NSFW_RES_SCAN_ARRAY: + { + struct nsfw_mem_ring *mem_ring = + (struct nsfw_mem_ring *) scn_cfg->mgr_ring; + if (NULL == mem_ring) + { + return FALSE; + } + + cur_head = mem_ring->prod.head; + cur_tail = mem_ring->cons.tail; + elm_num = scn_cfg->total_num; + } + break; + default: + return FALSE; + } + + free_count = spl_get_alloc_count(cur_head, cur_tail); + + res_scn_item->cons_head = cur_head; + res_scn_item->prod_head = cur_tail; + if (0 != elm_num) + { + res_scn_item->free_percent = free_count * 100 / elm_num; + } + else + { + res_scn_item->free_percent = 100; + } + + scn_cfg->total_num = elm_num; + return TRUE; +} + +void spl_res_scan_mem(nsfw_res_mgr_item_cfg * res_scn_item) +{ + if (NULL == res_scn_item) + { + return; + } + + nsfw_res_scn_cfg *scn_cfg = &res_scn_item->scn_cfg; + if (NULL == scn_cfg->data) + { + return; + } + + u32 start = res_scn_item->last_scn_idx; + u32 end = start + scn_cfg->num_per_cyc; + int res_chk_number = 0; + if (NSFW_RES_SCAN_SPOOL == scn_cfg->type) + { + res_chk_number = + nsfw_mem_sp_iterator(scn_cfg->data, start, end, + spl_res_sp_item_chk, (void *) res_scn_item); + } + else + { + res_chk_number = + nsfw_mem_mbuf_iterator(scn_cfg->data, start, end, + spl_res_sp_item_chk, + (void *) res_scn_item); + } + + if (0 == res_chk_number) + { + res_scn_item->last_scn_idx = 0; + start = res_scn_item->last_scn_idx; + end = start + scn_cfg->num_per_cyc; + if (NSFW_RES_SCAN_SPOOL == scn_cfg->type) + { + res_chk_number = + nsfw_mem_sp_iterator(scn_cfg->data, start, end, + spl_res_sp_item_chk, + (void *) res_scn_item); + } + else + { + res_chk_number = + nsfw_mem_mbuf_iterator(scn_cfg->data, start, end, + spl_res_sp_item_chk, + (void *) res_scn_item); + } + } + + if (res_chk_number + start < end) + { + res_scn_item->last_scn_idx = 0; + } + else + { + res_scn_item->last_scn_idx += res_chk_number; + } + + return; +} + +void spl_res_scan_array(nsfw_res_mgr_item_cfg * res_scn_item) +{ + if (NULL == res_scn_item) + { + return; + } + + nsfw_res_scn_cfg *scn_cfg = &res_scn_item->scn_cfg; + if (NULL == scn_cfg->data) + { + return; + } + + u32 i; + char *elm = + (char *) scn_cfg->data + + (res_scn_item->last_scn_idx * scn_cfg->elm_size); + for (i = res_scn_item->last_scn_idx; i < scn_cfg->total_num; i++) + { + if (i >= res_scn_item->last_scn_idx + scn_cfg->num_per_cyc) + { + break; + } + + if (TRUE == spl_res_sp_item_chk(elm, (void *) res_scn_item)) + { + NSFW_LOGINF("force free item]data=%p,cfg=%p", elm, res_scn_item); + } + + elm += scn_cfg->elm_size; + } + + if (i >= scn_cfg->total_num) + { + res_scn_item->last_scn_idx = 0; + } + else + { + res_scn_item->last_scn_idx = i; + } + + return; +} + +void spl_res_scan_proc(nsfw_res_mgr_item_cfg * res_scn_item) +{ + (void) spl_res_flash_data(res_scn_item); + switch (res_scn_item->scn_cfg.type) + { + case NSFW_RES_SCAN_ARRAY: + spl_res_scan_array(res_scn_item); + break; + case NSFW_RES_SCAN_SPOOL: + case NSFW_RES_SCAN_MBUF: + spl_res_scan_mem(res_scn_item); + break; + default: + break; + } +} + +int spl_res_scan_all(u32 timer_type, void *data) +{ + NSFW_LOGDBG("scan start!"); + struct timespec time_left = { NSFW_RES_SCAN_TVLAUE, 0 }; + g_scan_cfg.scan_timer = + nsfw_timer_reg_timer(0, NULL, spl_res_scan_all, time_left); + + if (g_hbt_switch) + { + return TRUE; + } + + int i; + for (i = 0; i < NSFW_MAX_RES_SCAN_COUNT; i++) + { + /*last fun */ + if (NULL == g_all_res_can[i].scn_cfg.data) + { + break; + } + + spl_res_scan_proc(&g_all_res_can[i]); + } + + return TRUE; +} + +static int spl_resmgr_module_init(void *param); +static int spl_resmgr_module_init(void *param) +{ + u8 proc_type = (u8) ((long long) param); + NSFW_LOGINF("res mgr module init]type=%u", proc_type); + g_scan_cfg.scan_tvalue = NSFW_RES_SCAN_TVLAUE_DEF; + switch (proc_type) + { + case NSFW_PROC_MAIN: + { + struct timespec time_left = { NSFW_RES_SCAN_TVLAUE, 0 }; + g_scan_cfg.scan_timer = + nsfw_timer_reg_timer(0, NULL, spl_res_scan_all, + time_left); + return 0; + } + default: + if (proc_type < NSFW_PROC_MAX) + { + break; + } + return -1; + } + + return 0; +} + +/* *INDENT-OFF* */ +NSFW_MODULE_NAME(SPL_RES_MGR_MODULE) +NSFW_MODULE_PRIORITY(99) +NSFW_MODULE_INIT(spl_resmgr_module_init) +/* *INDENT-ON* */ + +#ifdef __cplusplus +/* *INDENT-OFF* */ +} +/* *INDENT-ON* */ +#endif /* __cplusplus */ |