#include<stdio.h>
#include<stdlib.h>
#include<getch.h>
#include<string.h>
#include<stdbool.h>
#include<sys/ipc.h>
#include<sys/msg.h>
#include"struct.h"
#include"tools.h"

//修改密码
void change_server(void)
{
	//获取消息队列
	int cgid = msgget(ftok(".",500),0);
	//接收消息
	C_to_s c = {};
	while(1)
	{
		msgrcv(cgid,&c,sizeof(C_to_s),108,0);	
		if(108 == c.type)
			break;
	}	
	//创建消息队列
	int sgid = msgget(ftok(".",520),IPC_CREAT|0644);
	//发送消息
	S_to_c s = {c.user.pid};
	
	char buf[256] = {};
	sprintf(buf,"%s%d",ACC_PATH,c.user.id);
	FILE* frp = fopen(buf,"rb+");
	
	//读取信息
	C_to_s c1 = {};
	fread(&c1,sizeof(C_to_s),1,frp);
	
	if(0 != strcmp(c.user.old_pass,c1.user.pass))
	{
		strcpy(s.buf,"旧密码错误");
		msgsnd(sgid,&s,sizeof(S_to_c)-sizeof(s.type),0);
		return;
	}
	
	strcpy(c1.user.pass,c.user.new_pass);
	rewind(frp);
	fwrite(&c1,sizeof(C_to_s),1,frp);
	fclose(frp);frp = NULL;
		
	sprintf(s.buf,"修改密码成功!新密码为:%s",c1.user.pass);
	msgsnd(sgid,&s,sizeof(S_to_c)-sizeof(s.type),0);
	
	return;
}

int main()
{
	while(1)
	{
		change_server();
	}
	return 0;
}