/*
* http_prepare_response()
*
* Service the various HTTP commands, calling the relevant subroutine.
* We only handle GET and POST.
*/
int http_prepare_response(http_conn* conn)
{
int ret_code = 0;
switch (conn->action)
{
case GET:
{
/* Find file from uri */
ret_code = http_find_file(conn);
break;
}
case POST:
{
/* Handle POSTs. */
ret_code = http_handle_post(conn);
break;
}
default:
{
break;
}
} /* switch (conn->action) */
return ret_code;
}
/* ProgFlashStub()
*
* A thin wrapper around the ProgSRECBuf() function in srec_flash.c.
*
*/
void ProgFlashStub(http_conn* conn)
{
struct flash_inf_struct *flash_info = &flash_inf;
/* Call ParseSRECBuf, with the flash_info argument. */
ParseSRECBuf( flash_info );
/* Go find and send the reset_system.html file. */
http_find_file( conn );
/* Close the connection. */
conn->close = 1;
return;
}
/*
* http_handle_get()
*
* Handle incoming get requests. Fall back to default handling if URL is not known
*/
int http_handle_get(http_conn* conn){
//Check conn->url for known uris
int len = 0;
bool isImage = false;
const char * retval = httpResponseFunction(conn->uri, &len, &isImage);
if (len > 0){
http_send_header(conn, len, HTTP_OK, isImage);
//Send JSON reply
send(conn->fd, (void*)retval, len, 0);
return 0;
} else {
return http_find_file(conn);
}
}
void file_upload(http_conn* conn)
{
int buf_len;
int data_used;
struct upload_buf_struct *upload_buffer = &upload_buf;
struct flash_inf_struct *flash_info = &flash_inf;
/* Look for boundary, parse multipart form "mini" header information if found. */
if( strstr( conn->rx_rd_pos, conn->boundary ) )
{
if( http_parse_multipart_header( conn ) )
{
printf( "multipart-form: header parse failure...resetting connection!" );
conn->state = RESET;
}
}
/* Exception for IE. It sometimes sends _really_ small initial packets! */
if( strchr( conn->rx_rd_pos, ':' ) )
{
conn->state = READY;
return;
}
/* Calculate the string size... */
buf_len = strlen(conn->rx_rd_pos);
conn->content_received = conn->content_received + buf_len;
/* Copy all the received data into the upload buffer. */
if ( memcpy( (void*) upload_buffer->wr_pos,
(void*) conn->rx_rd_pos,
buf_len ) == NULL )
{
printf( "ERROR: memcpy to file upload buffer failed!" );
}
/* Increment the wr_pos pointer to just after the received data. */
upload_buffer->wr_pos = upload_buffer->wr_pos + buf_len;
conn->rx_rd_pos = conn->rx_rd_pos + buf_len;
/* Reset the buffers after copying the data into the big intermediate
* buffer.*/
data_used = conn->rx_rd_pos - conn->rx_buffer;
memmove(conn->rx_buffer,conn->rx_rd_pos,conn->rx_wr_pos-conn->rx_rd_pos);
conn->rx_rd_pos = conn->rx_buffer;
conn->rx_wr_pos -= data_used;
memset(conn->rx_wr_pos, 0, data_used);
if ( conn->file_upload == 0 )
{
printf( "Received a total of %d bytes.\n", conn->content_received );
/* Insert a NULL character (temporarily). */
*upload_buffer->wr_pos = '\0';
/* Populate flash_info struct... print the buffer size. */
flash_info->size = (int) strlen(upload_buffer->buffer);
printf( "Upload Buffer size = %d.\n", flash_info->size);
strcpy( flash_info->device, conn->flash_device );
flash_info->start = upload_buffer->rd_pos;
/* Populate the flash_inf struct. */
//printf( "Here's the Buffer:\n\n%s", upload_buffer->buffer);
http_find_file(conn);
conn->close = 1;
}
else
{
conn->state = READY;
}
}