read_conf.c

modbus与tcp协议转换的配置文件

/*---------------------------------------------------------------------------*/
/*
 *	Modbus protocol program
 *
 *	
/*---------------------------------------------------------------------------*/

#include "read_conf.h"

char Attribute_Table[ATTR_NUM][30] ={
	"Port",				///0
	"Mode",				///1
	"BaudRate",			///2
	"FlowControl",		///3
	"Parity",			///4
	"DataBit",			///5
	"StopBit",			///6
	"ProtocolId",		///7
	"RtuTable",					///8
	"Modbus_tcp_connect_number",	///9
	"Allow_Function_Code",			///10
	"[Main:]",						///11
	"[PortSetting:]"				///12
};

int ReadLine(char * buf, FILE *fp)
{
	char c=0;
	int i= 0;

	while ((!feof(fp)) && ((c = fgetc(fp))!=0x0a)&& c!=0x0d)
	{
		buf[i] = c;
		buf[i+1] = 0;
		i++;
	}
	if ((c==0x0d)&&(i==0))
		i=1;

	return i;
}
int GetTableInf(int * table, char *inf_buf)
{
	char temp[10];
	int i,j,k;
	int value;
	int begin_id,end_id;
	int error_count=0;
	int flag = 0;
	int buf_len=strlen(inf_buf);

	j=0;
	
	while (inf_buf[j]!='{')
		j++;
	while(inf_buf[j]=='{'|| inf_buf[j]==0x20 || inf_buf[j]==0x09)
		j++;
	k=0;
	while (1)
	{
		i=0;
		memset((void *)temp, 0, 10);
		while(inf_buf[j]!=',' && inf_buf[j]!=0x20 && inf_buf[j]!='-' && inf_buf[j]!='}')
		{
			temp[i] = inf_buf[j];
			i++;
			j++;
		}
		if (temp[0]!=0)
		{
			error_count = 0;
			sscanf(temp, "%d", &value);
			if (value <= 0)
				continue;
			if (value < 255)
			{
				if (inf_buf[j]==',' || inf_buf[j]==' ' || inf_buf[j]=='}')
				{
					if (flag==0 && k<DEV_NUM)
					{
						table[k] = value;
						k++;
						j++;
						if (j>=buf_len)
						{
							return OK;
						}
					}
					else
					{
						flag =0;
						end_id = value;
						if (end_id<begin_id)
						{
							printf("Get Table information Error\n");
							return ERROR;
						}
						for(i =0; ((begin_id+i)<=end_id) && k<DEV_NUM; i++,k++)
						{
							table[k]=begin_id+i;
						}
					}
				}
				if (inf_buf[j]=='-')
				{
					if (flag == 1)
					{
						printf("Get Table information Error\n");
						return ERROR;
					}
					flag = 1;
					begin_id = value;
					j++;
				}
				if (inf_buf[j]=='}')
				{
					return OK;
				}
			}
		}
		else
		{
			if (error_count == 5)
			{
				printf("Get Table information Error\n");
				return ERROR;
			}
			error_count++;
			if (inf_buf[j]=='}')
				return OK;
		}
	}
	
}
int FixAttrInf(AttrInf * ai, char * linebuf)
{
	char temp[30];
	int value;
	int i,j,k=0;

	j=0;
	i = 0;
	memset((void *)temp, 0, 30);
	while(linebuf[j] == 0x09 || linebuf[j]==0x20)
		j++;
	while (linebuf[j] != 0x09 && linebuf[j] != 0 && linebuf[j]!=0x20 && linebuf[j]!='=')
	{
		temp[i] = linebuf[j];
		i++;
		j++;
	}
	for (k=0; k<ATTR_NUM; k++)
	{
		if (strcmp(temp,Attribute_Table[k])==0)
		{
			ai->attribute_id = k;
			if (k==11 || k==12)
			{
				ai->value=0;
				return OK;
			}
			memset((void *)temp, 0, 30);
			while(linebuf[j] == 0x09 || linebuf[j]==0x20 || linebuf[j] == '=' || linebuf[j] == ':')
				j++;
			i=0;
			if (k!=8 || k!=10)
			{
				while (linebuf[j] != 0x09 && linebuf[j] != 0 && linebuf[j]!=0x20 && linebuf[j]!='=')
				{
					temp[i] = linebuf[j];
					i++;
					j++;
				}
				sscanf(temp,"%d",&ai->value);
			}
			else
			{
				ai->value = j;
			}
			return OK;
		}
	}
	return ERROR;
}