/* file: config.c */
#include <stdio.h>
#include <string.h>
#include "config.h"
/* the follow global
values are default web server configs */
#define
CONFIG_PATH "../config/webconfig.conf"
#define
WEB_ROOT_PATH_LEN 30 /* web server root directory is
length , default */
#define WEB_CACH_PATH_LEN 30 /* web server cache directory is
length , default */
short PORT
= 80; /* web server listening port ,
default */
int BACKLOG
= 10; /* web server tcp listen queue
length , default */
size_t
RECV_BUFFER_SIZE = 1024; /* web server receive buffer size ,
default */
size_t
SEND_BUFFER_SIZE = 1050000; /* web server send buffer size ,
default */
size_t
TIME_BUFFER_SIZE = 40; /* web server time buffer size ,
default */
size_t URI_SIZE
= 128; /* web server uri buffer size ,
default */
size_t
MIME_BUFFER_SIZE = 20; /* web server mime type buffer size
, default */
size_t
CONTENT_ENCODING_SIZE = 40; /* web server content-encoding
buffer size , default */
size_t
FILE_MAX_SIZE =
1048576; /* web server file buffer size ,
default */
char
WEB_ROOT_PATH[WEB_ROOT_PATH_LEN + 1]; /* web server root directory
*/
int
config()
{
FILE *fp = NULL;
if( (fp = fopen(CONFIG_PATH, "r")) == NULL)
{
printf("could not to open %s\n", CONFIG_PATH);
return -1;
}
char line_buf[CONFIG_LINE_MAX_LENTH];
memset(line_buf, '\0', CONFIG_LINE_MAX_LENTH);
char *line = NULL;
while((line = fgets(line_buf, CONFIG_LINE_MAX_LENTH, fp)) != NULL)
{
if((*line == '#') || (*line == '
'))
continue;
if(!strncmp(line, "PORT=", 5))
{
if(sscanf(line + 5, "%hd;", &PORT) != 1)
{
perror("sscanf PORT,use default");
}
printf("Read config: PORT=%d\n",(int)PORT);
continue;
}
if(!strncmp(line, "BACKLOG=", 8))
{
if(sscanf(line + 8, "%u;", &BACKLOG) != 1)
{
perror("sscanf BACKLOG,use default");
}
continue;
}
if(!strncmp(line, "RECV_BUFFER_SIZE=", 17))
{
if(sscanf(line + 17, "%u;", &RECV_BUFFER_SIZE) != 1)
{
perror("sscanf RECV_BUFFER_SIZE,use
default");
}
continue;
}
if(!strncmp(line, "SEND_BUFFER_SIZE=", 17))
{
if(sscanf(line + 17, "%u;", &SEND_BUFFER_SIZE) != 1)
{
perror("sscanf SEND_BUFFER_SIZE,use
default");
}
continue;
}
if(!strncmp(line, "TIME_BUFFER_SIZE=", 17))
{
if(sscanf(line + 17, "%u;", &TIME_BUFFER_SIZE) != 1)
{
perror("sscanf TIME_BUFFER_SIZE,use
default");
}
continue;
}
if(!strncmp(line, "URI_SIZE=", 9))
{
if(sscanf(line + 9, "%u;", &URI_SIZE) != 1)
{
perror("sscanf URI_SIZE,use
default");
}
continue;
}
if(!strncmp(line, "MIME_BUFFER_SIZE=", 17))
{
if(sscanf(line + 17, "%u;", &MIME_BUFFER_SIZE) != 1)
{
perror("sscanf MIME_BUFFER_SIZE,use
default");
}
continue;
}
if(!strncmp(line, "CONTENT_ENCODING_SIZE=", 22))
{
if(sscanf(line + 22, "%u;", &CONTENT_ENCODING_SIZE) != 1)
{
perror("sscanf CONTENT_ENCODING_SIZE,use
default");
}
continue;
}
if(!strncmp(line, "FILE_MAX_SIZE=", 14))
{
if(sscanf(line + 14, "%u;", &FILE_MAX_SIZE) != 1)
{
perror("sscanf FILE_MAX_SIZE,use
default");
}
continue;
}
if(!strncmp(line, "WEB_ROOT_PATH=", 14))
{
memset(WEB_ROOT_PATH, 0, sizeof(WEB_ROOT_PATH));
if(sscanf(line + 14, "%s", WEB_ROOT_PATH) != 1)
{
perror("sscanf WEB_ROOT_PATH, use
default");
strcpy(WEB_ROOT_PATH, "../www"); /* set to default
*/
}
continue;
}
}
fclose(fp);
return 0;
}
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