unsigned int http_sendfile(unsigned int idx, const char *name, unsigned char *tx)
{
unsigned int len=0, i;
if(name) //start transfer -> add http header
{
http_table[idx].status = HTTP_SEND;
http_table[idx].file = http_fid(name, &http_table[idx].fparam);
http_table[idx].ftype = http_ftype(http_table[idx].file);
http_table[idx].flen = http_flen(http_table[idx].file, http_table[idx].fparam);
http_table[idx].fpos = 0;
http_table[idx].fparse = 0;
if(http_table[idx].flen == 0) //file not found
{
http_table[idx].status = HTTP_CLOSED;
len = sprintf((char*)tx, HTTP_404_HEADER"Error 404 Not found\r\n\r\n");
tcp_send(idx, len, 0);
tcp_close(idx);
return len;
}
else //file found -> send http header
{
switch(http_table[idx].ftype)
{
case HTML_FILE:
len = sprintf((char*)tx, HTTP_HTML_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
case XML_FILE:
len = sprintf((char*)tx, HTTP_XML_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
case JS_FILE:
len = sprintf((char*)tx, HTTP_JS_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
case CSS_FILE:
len = sprintf((char*)tx, HTTP_CSS_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
case TXT_FILE:
len = sprintf((char*)tx, HTTP_TXT_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
case ICON_FILE:
len = sprintf((char*)tx, HTTP_ICON_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
case GIF_FILE:
len = sprintf((char*)tx, HTTP_GIF_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
case JPEG_FILE:
len = sprintf((char*)tx, HTTP_JPEG_HEADER"%i\r\n\r\n", http_table[idx].flen);
tx += len;
break;
}
}
}
if(http_table[idx].flen) //file found
{
switch(http_table[idx].ftype)
{
//dynamic content
case HTML_FILE:
case XML_FILE:
i = http_fparse((char*)tx, http_table[idx].file, &http_table[idx].fparse, (ETH_MTUSIZE-IP_HEADERLEN-TCP_HEADERLEN-MAX_ADDR-100), http_table[idx].fparam);
http_table[idx].fpos += i;
len += i;
break;
//static content
case JS_FILE:
case CSS_FILE:
case TXT_FILE:
case ICON_FILE:
case GIF_FILE:
case JPEG_FILE:
i = http_fdata(tx, http_table[idx].file, http_table[idx].fpos, (ETH_MTUSIZE-IP_HEADERLEN-TCP_HEADERLEN-MAX_ADDR-100));
http_table[idx].fpos += i;
len += i;
break;
}
tcp_send(idx, len, 0);
if((http_table[idx].fpos >= http_table[idx].flen) || (len == 0))
{
http_close(idx);
tcp_close(idx);
}
}
return len;
}
unsigned int http_sendfile(unsigned int idx, const char *name, unsigned char *tx)
{
unsigned int len=0, i = 0;
if (name) //start transfer -> add http header
{
http_table[idx].status = HTTP_SEND;
http_table[idx].file = http_fid(name, &http_table[idx].fparam);
http_table[idx].ftype = http_ftype(http_table[idx].file);
http_table[idx].flen = http_flen(http_table[idx].file, http_table[idx].fparam);
http_table[idx].fpos = 0;
http_table[idx].fparse = 0;
if(http_table[idx].flen == 0) //file not found
{
http_table[idx].status = HTTP_CLOSED;
len = sprintf((char*)tx, HTTP_404_HEADER"Error 404 Not found\r\n\r\n");
tcp_send(idx, len);
log_info("Parse error: 404 Not found.\n");
return len;
}
else //file found -> send http header
{
switch(http_table[idx].ftype)
{
case HTML_FILE:
len = sprintf((char*)tx, HTTP_HTML_HEADER"%i\r\n\r\n", http_table[idx].flen);
break;
case JS_FILE:
len = sprintf((char*)tx, HTTP_JS_HEADER"%i\r\n\r\n", http_table[idx].flen);
break;
case CSS_FILE:
len = sprintf((char*)tx, HTTP_CSS_HEADER"%i\r\n\r\n", http_table[idx].flen);
break;
case ICON_FILE:
len = sprintf((char*)tx, HTTP_ICON_HEADER"%i\r\n\r\n", http_table[idx].flen);
break;
}
tx += len;
}
}
log_info("file:%d; ftype:%d; flen:%d\n",
http_table[idx].file,
http_table[idx].ftype,
http_table[idx].flen);
if(http_table[idx].flen) //file found
{
switch(http_table[idx].ftype)
{
//dynamic content
case HTML_FILE:
case XML_FILE:
do {
i = http_fparse((char*)tx, http_table[idx].file, &http_table[idx].fparse, 4096, http_table[idx].fparam);
tx -= len; //重新设置HTTP头，值
len = sprintf((char*)tx, HTTP_HTML_HEADER"%i\r\n\r\n", i);
tx[len] = '<';
//memcpy(tx,(unsigned char *)rx_buffer,i);
http_table[idx].fpos += i;
len += i;
log_info("parse len:%d; fpos:%d; fparse:%d; len:%d\n",
i, http_table[idx].fpos, http_table[idx].fparse, len);
if (len <= 0)
break;
else
{
//log_info("len:%d == SendData:%d=============\r\n\r\n%s\r\n\r\n=============\r\n\r\n",len,strlen((const char *)SendData),SendData);
tcp_send(idx, len);
}
tx = SendData;
len = 0;
log_info("parse len:%d; fpos:%d; fparse:%d; len:%d\n",
i, http_table[idx].fpos, http_table[idx].fparse, len);
} while((http_table[idx].fpos < http_table[idx].flen));
break;
case JS_FILE:
case CSS_FILE:
case TXT_FILE:
case ICON_FILE:
case GIF_FILE:
case JPEG_FILE:
do {
i = http_fdata(tx, http_table[idx].file, http_table[idx].fpos, 4096);
http_table[idx].fpos += i;
len += i;
if(len <= 0)
break;
else
tcp_send(idx, len);
tx = SendData;
len = 0;
}while((http_table[idx].fpos < http_table[idx].flen));
break;
}
log_info("after send data: fpos:%d, len:%d\n", http_table[idx].fpos, len);
if((http_table[idx].fpos >= http_table[idx].flen) || (len == 0))
{
http_close(idx);
log_info("send file OK, close http!\n");
}
}
return len;
}