callback增强链表模块
<span style="font-family: Arial, Helvetica, sans-serif;">/********************************************************************/</span>
/* Copyright (C) SSE-USTC, 2012-2013 */
/* */
/* FILE NAME : linktabe.h */
/* PRINCIPAL AUTHOR : Mengning */
/* SUBSYSTEM NAME : LinkTable */
/* MODULE NAME : LinkTable */
/* LANGUAGE : C */
/* TARGET ENVIRONMENT : ANY */
/* DATE OF FIRST RELEASE : 2012/12/30 */
/* DESCRIPTION : interface of Link Table */
/********************************************************************/
/*
* Revision log:
*
* Created by Mengning,2012/12/30
*
*/
#ifndef _LINK_TABLE_H_
#define _LINK_TABLE_H_
#include <pthread.h>
#define SUCCESS 0
#define FAILURE (-1)
/*
* LinkTable Node Type
*/
typedef struct LinkTableNode
{
struct LinkTableNode * pNext;
}tLinkTableNode;
/*
* LinkTable Type
*/
typedef struct LinkTable tLinkTable;
/*
* Create a LinkTable
*/
tLinkTable * CreateLinkTable();
/*
* Delete a LinkTable
*/
int DeleteLinkTable(tLinkTable *pLinkTable);
/*
* Add a LinkTableNode to LinkTable
*/
int AddLinkTableNode(tLinkTable *pLinkTable,tLinkTableNode * pNode);
/*
* Delete a LinkTableNode from LinkTable
*/
int DelLinkTableNode(tLinkTable *pLinkTable,tLinkTableNode * pNode);
/*
* Search a LinkTableNode from LinkTable
* int Conditon(tLinkTableNode * pNode);
*/
tLinkTableNode * SearchLinkTableNode(tLinkTable *pLinkTable, int Conditon(tLinkTableNode * pNode, void * args), void *args);
/*
* get LinkTableHead
*/
tLinkTableNode * GetLinkTableHead(tLinkTable *pLinkTable);
/*
* get next LinkTableNode
*/
tLinkTableNode * GetNextLinkTableNode(tLinkTable *pLinkTable,tLinkTableNode * pNode);
#endif /* _LINK_TABLE_H_ */
/********************************************************************/
/* Copyright (C) SSE-USTC, 2012-2013 */
/* */
/* FILE NAME : linktabe.c */
/* PRINCIPAL AUTHOR : Mengning */
/* SUBSYSTEM NAME : LinkTable */
/* MODULE NAME : LinkTable */
/* LANGUAGE : C */
/* TARGET ENVIRONMENT : ANY */
/* DATE OF FIRST RELEASE : 2012/12/30 */
/* DESCRIPTION : interface of Link Table */
/********************************************************************/
/*
* Revision log:
*
* Created by Mengning,2012/12/30
* Provide right Callback interface by Mengning,2012/09/17
*
*/
#include<stdio.h>
#include<stdlib.h>
#include"linktable.h"
/*
* LinkTable Type
*/
struct LinkTable
{
tLinkTableNode *pHead;
tLinkTableNode *pTail;
int SumOfNode;
pthread_mutex_t mutex;
};
/*
* Create a LinkTable
*/
tLinkTable * CreateLinkTable()
{
tLinkTable * pLinkTable = (tLinkTable *)malloc(sizeof(tLinkTable));
if(pLinkTable == NULL)
{
return NULL;
}
pLinkTable->pHead = NULL;
pLinkTable->pTail = NULL;
pLinkTable->SumOfNode = 0;
pthread_mutex_init(&(pLinkTable->mutex), NULL);
return pLinkTable;
}
/*
* Delete a LinkTable
*/
int DeleteLinkTable(tLinkTable *pLinkTable)
{
if(pLinkTable == NULL)
{
return FAILURE;
}
while(pLinkTable->pHead != NULL)
{
tLinkTableNode * p = pLinkTable->pHead;
pthread_mutex_lock(&(pLinkTable->mutex));
pLinkTable->pHead = pLinkTable->pHead->pNext;
pLinkTable->SumOfNode -= 1 ;
pthread_mutex_unlock(&(pLinkTable->mutex));
free(p);
}
pLinkTable->pHead = NULL;
pLinkTable->pTail = NULL;
pLinkTable->SumOfNode = 0;
pthread_mutex_destroy(&(pLinkTable->mutex));
free(pLinkTable);
return SUCCESS;
}
/*
* Add a LinkTableNode to LinkTable
*/
int AddLinkTableNode(tLinkTable *pLinkTable,tLinkTableNode * pNode)
{
if(pLinkTable == NULL || pNode == NULL)
{
return FAILURE;
}
pNode->pNext = NULL;
pthread_mutex_lock(&(pLinkTable->mutex));
if(pLinkTable->pHead == NULL)
{
pLinkTable->pHead = pNode;
}
if(pLinkTable->pTail == NULL)
{
pLinkTable->pTail = pNode;
}
else
{
pLinkTable->pTail->pNext = pNode;
pLinkTable->pTail = pNode;
}
pLinkTable->SumOfNode += 1 ;
pthread_mutex_unlock(&(pLinkTable->mutex));
return SUCCESS;
}
/*
* Delete a LinkTableNode from LinkTable
*/
int DelLinkTableNode(tLinkTable *pLinkTable,tLinkTableNode * pNode)
{
if(pLinkTable == NULL || pNode == NULL)
{
return FAILURE;
}
pthread_mutex_lock(&(pLinkTable->mutex));
if(pLinkTable->pHead == pNode)
{
pLinkTable->pHead = pLinkTable->pHead->pNext;
pLinkTable->SumOfNode -= 1 ;
if(pLinkTable->SumOfNode == 0)
{
pLinkTable->pTail = NULL;
}
pthread_mutex_unlock(&(pLinkTable->mutex));
return SUCCESS;
}
tLinkTableNode * pTempNode = pLinkTable->pHead;
while(pTempNode != NULL)
{
if(pTempNode->pNext == pNode)
{
pTempNode->pNext = pTempNode->pNext->pNext;
pLinkTable->SumOfNode -= 1 ;
if(pLinkTable->SumOfNode == 0)
{
pLinkTable->pTail = NULL;
}
pthread_mutex_unlock(&(pLinkTable->mutex));
return SUCCESS;
}
pTempNode = pTempNode->pNext;
}
pthread_mutex_unlock(&(pLinkTable->mutex));
return FAILURE;
}
/*
* Search a LinkTableNode from LinkTable
* int Conditon(tLinkTableNode * pNode);
*/
tLinkTableNode * SearchLinkTableNode(tLinkTable *pLinkTable, int Conditon(tLinkTableNode * pNode, void *args), void * args)
{
if(pLinkTable == NULL || Conditon == NULL)
{
return NULL;
}
tLinkTableNode * pNode = pLinkTable->pHead;
//while(pNode != pLinkTable->pTail)
while(pNode != NULL)
{
if(Conditon(pNode, args) == SUCCESS)
{
return pNode;
}
pNode = pNode->pNext;
}
return NULL;
}
/*
* get LinkTableHead
*/
tLinkTableNode * GetLinkTableHead(tLinkTable *pLinkTable)
{
if(pLinkTable == NULL)
{
return NULL;
}
return pLinkTable->pHead;
}
/*
* get next LinkTableNode
*/
tLinkTableNode * GetNextLinkTableNode(tLinkTable *pLinkTable,tLinkTableNode * pNode)
{
if(pLinkTable == NULL || pNode == NULL)
{
return NULL;
}
tLinkTableNode * pTempNode = pLinkTable->pHead;
while(pTempNode != NULL)
{
if(pTempNode == pNode)
{
return pTempNode->pNext;
}
pTempNode = pTempNode->pNext;
}
return NULL;
}
/********************************************************************/
/* Copyright (C) SSE-USTC, 2012-2013 */
/* */
/* FILE NAME : testlinktabe.c */
/* PRINCIPAL AUTHOR : Mengning */
/* SUBSYSTEM NAME : LinkTable */
/* MODULE NAME : LinkTable */
/* LANGUAGE : C */
/* TARGET ENVIRONMENT : ANY */
/* DATE OF FIRST RELEASE : 2012/12/30 */
/* DESCRIPTION : test of Link Table */
/********************************************************************/
/*
* Revision log:
*
* Created by Mengning,2012/12/30
* Verified callback and head/next for search by Mengning,2012/09/17
*
*/
#include<stdio.h>
#include<stdlib.h>
#include<assert.h>
#include"linktable.h"
#define debug
typedef struct Node
{
tLinkTableNode * pNext;
int data;
}tNode;
tNode * Search(tLinkTable *pLinkTable);
int SearchCondition(tLinkTableNode * pLinkTableNode);
int main()
{
int i;
tLinkTable * pLinkTable = CreateLinkTable();
assert(pLinkTable != NULL);
for(i = 0; i < 10; i++)
{
tNode* pNode = (tNode*)malloc(sizeof(tNode));
pNode->data = i;
debug("AddLinkTableNode\n");
AddLinkTableNode(pLinkTable,(tLinkTableNode *)pNode);
}
/* search by callback */
debug("SearchLinkTableNode\n");
tNode* pTempNode = (tNode*)SearchLinkTableNode(pLinkTable,SearchCondition);
printf("%d\n",pTempNode->data);
/* search one by one */
pTempNode = Search(pLinkTable);
printf("%d\n",pTempNode->data);
debug("DelLinkTableNode\n");
DelLinkTableNode(pLinkTable,(tLinkTableNode *)pTempNode);
free(pTempNode);
DeleteLinkTable(pLinkTable);
}
tNode * Search(tLinkTable *pLinkTable)
{
debug("Search GetLinkTableHead\n");
tNode * pNode = (tNode*)GetLinkTableHead(pLinkTable);
while(pNode != NULL)
{
if(pNode->data == 5)
{
return pNode;
}
debug("GetNextLinkTableNode\n");
pNode = (tNode*)GetNextLinkTableNode(pLinkTable,(tLinkTableNode *)pNode);
}
return NULL;
}
int SearchCondition(tLinkTableNode * pLinkTableNode)
{
tNode * pNode = (tNode *)pLinkTableNode;
if(pNode->data == 6)
{
return SUCCESS;
}
return FAILURE;
}
/**************************************************************************************************/
/* Copyright (C) mc2lab.com, SSE@USTC, 2014-2015 */
/* */
/* FILE NAME : menu.c */
/* PRINCIPAL AUTHOR : Mengning */
/* SUBSYSTEM NAME : menu */
/* MODULE NAME : menu */
/* LANGUAGE : C */
/* TARGET ENVIRONMENT : ANY */
/* DATE OF FIRST RELEASE : 2014/08/31 */
/* DESCRIPTION : This is a menu program */
/**************************************************************************************************/
/*
* Revision log:
*
* Created by Mengning, 2014/08/31
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "linktable.h"
int Help();
int Quit();
#define CMD_MAX_LEN 128
#define DESC_LEN 1024
#define CMD_NUM 10
/* data struct and its operations */
typedef struct DataNode
{
tLinkTableNode * pNext;
char* cmd;
char* desc;
int (*handler)();
} tDataNode;
int SearchCondition(tLinkTableNode * pLinkTableNode, void * args)
{
char * cmd = (char*) args;
tDataNode * pNode = (tDataNode *)pLinkTableNode;
if(strcmp(pNode->cmd, cmd) == 0)
{
return SUCCESS;
}
return FAILURE;
}
/* find a cmd in the linklist and return the datanode pointer */
tDataNode* FindCmd(tLinkTable * head, char * cmd)
{
return (tDataNode*)SearchLinkTableNode(head,SearchCondition, (void *) cmd);
}
/* show all cmd in listlist */
int ShowAllCmd(tLinkTable * head)
{
tDataNode * pNode = (tDataNode*)GetLinkTableHead(head);
while(pNode != NULL)
{
printf("%s - %s\n", pNode->cmd, pNode->desc);
pNode = (tDataNode*)GetNextLinkTableNode(head,(tLinkTableNode *)pNode);
}
return 0;
}
int InitMenuData(tLinkTable ** ppLinktable)
{
*ppLinktable = CreateLinkTable();
tDataNode* pNode = (tDataNode*)malloc(sizeof(tDataNode));
pNode->cmd = "help";
pNode->desc = "Menu List:";
pNode->handler = Help;
AddLinkTableNode(*ppLinktable,(tLinkTableNode *)pNode);
pNode = (tDataNode*)malloc(sizeof(tDataNode));
pNode->cmd = "version";
pNode->desc = "Menu Program V1.0";
pNode->handler = NULL;
AddLinkTableNode(*ppLinktable,(tLinkTableNode *)pNode);
pNode = (tDataNode*)malloc(sizeof(tDataNode));
pNode->cmd = "quit";
pNode->desc = "Quit from Menu Program V1.0";
pNode->handler = Quit;
AddLinkTableNode(*ppLinktable,(tLinkTableNode *)pNode);
return 0;
}
/* menu program */
tLinkTable * head = NULL;
int main()
{
InitMenuData(&head);
/* cmd line begins */
while(1)
{
char cmd[CMD_MAX_LEN];
printf("Input a cmd number > ");
scanf("%s", cmd);
tDataNode *p = FindCmd(head, cmd);
if( p == NULL)
{
printf("This is a wrong cmd!\n ");
continue;
}
printf("%s - %s\n", p->cmd, p->desc);
if(p->handler != NULL)
{
p->handler();
}
}
}
int Help()
{
ShowAllCmd(head);
return 0;
}
int Quit()
{
exit(0);
}