Mod aaa-12 修改user_hashtable.c并移动文件到Product/user下
RCA： SOL： 修改人：chenling 检视人：
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ChenLing
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# target name, the target name must have the same name of c source file
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TARGET_NAME=userhash
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# target
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# for linux module driver: KO
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# for application: EXE
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# for dynamic library: DLL
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TARGET_TYPE = DLL
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# target object
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# for application: APP
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# for device driver: DRV
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TARGET_OBJ = APP
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# custom install dir
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TARGET_BOX =
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#debug mode or release mode
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DEBUG = TRUE
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PLAT_LINUX ?= TRUE
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PLAT_ARM64 ?= TRUE
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VPATH = ../../Product/user/user_auth
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# source code
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# set the source file, don't used .o because of ...
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COMMON_SRCS = user_hashtable.c
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# MRS Board Source Files
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PLAT_LINUX_SRCS = $(COMMON_SRCS)
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PLAT_ARM64_SRCS = $(COMMON_SRCS)
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# gcc CFLAGS
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PLAT_ARM64_CFLAGS := -fPIC -I../../Common -I../../Product/common
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PLAT_LINUX_CFLAGS := $(PLAT_ARM64_CFLAGS)
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PLAT_ARM64_LDFLAGS := -fPIC -shared
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PLAT_LINUX_LDFLAGS := $(PLAT_ARM64_LDFLAGS)
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#gcc libs
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ARM64_LIBS := -lcjson -lpthread -lm
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LINUX_LIBS := -lcjson -lpthread -lm
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ifeq ($(PLAT_ARM64), TRUE)
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DEPEND_LIB +=
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USER_CLEAN_ITEMS +=
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endif
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ifeq ($(PLAT_LINUX), TRUE)
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DEPEND_LIB +=
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USER_CLEAN_ITEMS +=
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endif
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# this line must be at below of thus, because of...
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include ../../Common/common.Makefile
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ifneq ($(MAKECMDGOALS), clean)
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ifneq ($(MAKECMDGOALS), cleanall)
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ifneq ($(notdir $(DEPEND_LIB)), $(wildcard $(DEPEND_LIB)))
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$(shell $(CP) $(DEPEND_LIB) ./)
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endif
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endif
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endif
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ifeq ($(MAKECMDGOALS), )
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$(shell find ./ -name "$(TARGET)-*.ko" -delete)
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else
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ifeq ($(MAKECMDGOALS), all)
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$(shell find ./ -name "$(TARGET)-*.ko" -delete)
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endif
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endif
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@ -0,0 +1,169 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include "hlist.h"
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#include "user_hashtable.h"
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/*链表全局变量 */
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struct hlist_head *hash;
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USER_INFO *pNode ;
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/*计算hash值 */
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struct hlist_head * call_hash(struct hlist_head *hash, uint32_t ip)
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{
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unsigned int val = ip % 100;
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printf("val =%d\n", val);
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return &hash[val];
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}
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/*初始化函数 */
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int Init_hash()
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{
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int i = 0;
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/*创建hash头 */
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hash = (struct hlist_head*)malloc(sizeof(*hash)*100);
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if(NULL == hash)
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{
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printf("alloc error\n");
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return -1;
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}
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/*初始化hash表头 */
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for(i = 0; i < 100; i++)
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INIT_HLIST_HEAD(&hash[i]);
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/*hsah桶普通节点分配内存 */
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pNode = (struct user_info *)malloc(sizeof(struct user_info));
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if (NULL == pNode)
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{
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printf("alloc error\n");
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return -1;
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}
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/*初始化hash桶的普通结点 */
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memset(pNode,0,sizeof(struct user_info));
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INIT_HLIST_NODE(&pNode->hnode);
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}
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/*查找用户信息*/
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USER_INFO * ufind_user(uint32_t user_ip)
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{
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struct hlist_node *p = NULL, *n = NULL ;
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/* 这个实际上就是一个for循环，从头到尾遍历链表。
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* pos：struct hlist_node类型的一个指针；
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* n：struct hlist_node类型的一个指针；
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* head：struct hlist_head类型的一个指针，表示hlist链表的头结点。
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*/
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hlist_for_each_safe(p,n,call_hash(hash,user_ip))
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{
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/* p：表示struct hlist_node类型的一个地址。
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* struct user_info：结构体名
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* hnode：type结构体中的hlist_node成员变量的名称
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* 表示得到p所指地址的这个结构体的首地址
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*/
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pNode = hlist_entry(p, struct user_info ,hnode);
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if(pNode != NULL)
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printf("user_id :%d\n",pNode->id);
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return pNode;
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}
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}
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/*增加用户信息*/
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int uadd_user(uint32_t user_ip, int user_id)
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{
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struct hlist_node *pos = NULL, *n = NULL ;
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pNode = NULL;
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struct hlist_head* pVal = call_hash(hash, user_ip);
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printf("pVal = %p, pVal->first = %p\n", pVal, pVal->first);
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//hlist_for_each_safe(p,n,call_hash(hash, user_ip)) /*查找ip是否存在hash表中 */
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for (pos = pVal->first; pos && ({ n = pos->next; 1; }); pos = n)
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{
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pNode = hlist_entry(pos, struct user_info ,hnode);
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if(pNode != NULL)
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printf("IP ALEADY EXISTED\n");
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}
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if (pNode == NULL)
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{
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pNode = (struct user_info *)malloc(sizeof(struct user_info));
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if (NULL == pNode)
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{
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return -1;
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}
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memset(pNode,0,sizeof(struct user_info));
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INIT_HLIST_NODE(&pNode->hnode);
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pNode->ip = user_ip;
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hlist_add_head(&pNode->hnode, call_hash(hash, user_ip));
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}
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pNode->id = user_id;
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}
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/*删除用户信息 */
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void udelete_user(int user_ip)
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{
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struct hlist_node *p = NULL, *n = NULL ;
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int i = 0;
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hlist_for_each_safe(p,n,call_hash(hash,user_ip))
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{
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pNode = hlist_entry(p, struct user_info ,hnode);
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hlist_del(&pNode->hnode);
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free(pNode);
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}
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}
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/*删除所有的hash节点 */
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void udelete_all()
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{
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struct hlist_node *p = NULL, *n = NULL ;
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int i = 0;
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for(i = 0; i < 100; i++)
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{
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hlist_for_each_safe(p,n,&hash[i])
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{
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pNode = hlist_entry(p, struct user_info ,hnode);
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hlist_del(&pNode->hnode);
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free(pNode);
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}
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}
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}
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/*打印所有信息信息 */
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void uprintf_users()
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{
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struct hlist_node *p = NULL, *n = NULL ;
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int i = 0;
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for(i = 0; i < 100; i++)
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{
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hlist_for_each_safe(p,n,&hash[i])
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{
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char str[32];
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pNode = hlist_entry(p, struct user_info ,hnode);
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if(pNode != NULL)
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inet_ntop(AF_INET, (void *)&pNode->ip, str, 32);
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printf("user_ip :%s user_id:%d\n", str, pNode->id);
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}
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}
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}
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