TinyXml的读取和编辑以及多线程的锁

#include <iostream>

#include <pthread.h>

#include <string.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <dirent.h>

#include <errno.h>

#include <vector>

#include <algorithm>

#include <unistd.h>

#include "tinyxml/tinyxml.h" //本地下载了tinyxml源码

#include <stdexcept>

#include <map>

#include <fcntl.h>

#include <stdlib.h>

#define MACXML "mac.xml"

using namespace std;

static bool usingMacXml = false;

pthread_mutex_t mutexMac = PTHREAD_MUTEX_INITIALIZER;

struct mac_data{

string mac;

string account;

string password;

string status;

};

void setMacStatus(mac_data m,string status)

{

pthread_mutex_lock( &mutexMac );

while(true)

{

if(!usingMacXml)

{

usingMacXml = true;

TiXmlDocument* macXml = new TiXmlDocument();

while(!(macXml->LoadFile(MACXML)))

{

}

TiXmlElement* rootElement = macXml->RootElement(); //MacList

TiXmlElement* macElement = rootElement->FirstChildElement(); //Machine

while ( macElement ) {

TiXmlElement* nameElement = macElement->FirstChildElement();//获得Machine的Name元素

TiXmlElement* accountElement = nameElement->NextSiblingElement(); //获得Machine的Password元素

TiXmlElement* passwordElement = accountElement->NextSiblingElement(); //获得Machine的Account元素

TiXmlElement* statusElement = passwordElement->NextSiblingElement(); //获得Machine的Status元素

bool condition = m.mac ==nameElement->GetText() && m.account ==accountElement->GetText() && status !=statusElement->GetText();

if(condition)

{

statusElement->Clear();

TiXmlText * text = new TiXmlText(status );

statusElement->LinkEndChild( text );

break;

}

else

cout<<"No match "<<m.mac<<" "<<nameElement->GetText()<< " account:"<<m.account<<" "<<accountElement->GetText()<<" status:" <<m.status<<" " <<statusElement->GetText()<<endl;

cout<<"condition is "<<condition<<endl;

macElement = macElement->NextSiblingElement();

}

macXml->SaveFile(MACXML);

delete macXml;

usingMacXml = false;

break;

}

else

system("sleep 1");

}

pthread_mutex_unlock(&mutexMac);

}