#include<stdio.h>
#include<stdlib.h>
#include<sys/dir.h> 
#include<malloc.h>
#include<string.h>

struct sconfig *head;
struct sconfig *tail;
struct sconfig
{
	int type,id;
	char username[20], IP[15];
	struct sconfig *next;
};

int dircreate(int id,int type)  //code to create the directory
{
	char *dname;
	int stat;
	dname=(char *)malloc(sizeof(int));
	sprintf(dname,"node_%d",id);
	stat=mkdir(dname,"rwx");
	if(stat!=0)
	{
		printf("\nnode dir cud not b created");
	}
	return 0;
}

int loadlist(int chcount)//code to read s_config.txt	
{
	FILE *fsdt;
	struct sconfig *temp;
	if((fsdt=fopen("/root/sample_read/s_config.txt","r")) == NULL)
	{
		fprintf(stderr, "cannot open s_config.txt\n");
		return 1;
	}
	while(feof(fsdt) == 0)
	{
		temp=(struct sconfig *)malloc(sizeof(struct sconfig));
		fscanf(fsdt,"%d %s %s %d",&temp->id, temp->username, temp->IP, &temp->type);
		dircreate(temp->id,temp->type);
		temp->next='\0';
		if (head==NULL)
		{	   head=temp;   		}
		else
                {         tail->next=temp;		}
		tail=temp;
	}
	fclose(fsdt);
	return 0;
}

int main()
{
	FILE *fsdt;
	int chcount=0;
	char ch;
	fsdt=fopen("/root/sample_read/s_config.txt","r");
	if (fsdt!=NULL)
	{
		while(1)
		{
			ch=fgetc(fsdt);
			if(ch==EOF)
				break;
			else
				chcount=chcount+1;
		}
		fclose(fsdt);
		if(chcount>0)
		{ 		loadlist(chcount);		}
	}
	else
	{
		fprintf(stderr, "cannot open s_config.txt\n");
		return 1;
	}
	return 0;
}