static BaseType_t prvOpenUrl( xHTTPClient *pxClient )
{
BaseType_t xRc;
char pcSlash[ 2 ];
pxClient->bits.ulFlags = 0;
if( pxClient->pcUrlData[ 0 ] != '/' )
{
/* Insert a slah before the file name */
pcSlash[ 0 ] = '/';
pcSlash[ 1 ] = '\0';
}
else
{
/* The browser provided a starting '/' already */
pcSlash[ 0 ] = '\0';
}
snprintf( pxClient->pcCurrentFilename, sizeof pxClient->pcCurrentFilename, "%s%s%s",
pxClient->pcRootDir,
pcSlash,
pxClient->pcUrlData);
pxClient->pxFileHandle = ff_fopen( pxClient->pcCurrentFilename, "rb" );
FreeRTOS_printf( ( "Open file '%s': %s\n", pxClient->pcCurrentFilename,
pxClient->pxFileHandle != NULL ? "Ok" : strerror( stdioGET_ERRNO() ) ) );
if( pxClient->pxFileHandle == NULL )
{
xRc = prvSendReply( pxClient, WEB_NOT_FOUND ); /* "404 File not found" */
}
else
{
pxClient->xBytesLeft = pxClient->pxFileHandle->ulFileSize;
xRc = prvSendFile( pxClient );
}
return xRc;
}
static BaseType_t prvSendFile( xHTTPClient *pxClient )
{
size_t xSpace;
size_t xCount;
BaseType_t xRc = 0;
if( pxClient->bits.bReplySent == pdFALSE )
{
pxClient->bits.bReplySent = pdTRUE;
strcpy( pxClient->pxParent->pcContentsType, pcGetContentsType( pxClient->pcCurrentFilename ) );
snprintf( pxClient->pxParent->pcExtraContents, sizeof pxClient->pxParent->pcExtraContents,
"Content-Length: %d\r\n", ( int ) pxClient->xBytesLeft);
xRc = prvSendReply( pxClient, WEB_REPLY_OK ); /* "Requested file action OK" */
}
if( xRc >= 0 ) do
{
xSpace = FreeRTOS_tx_space( pxClient->xSocket );
if( pxClient->xBytesLeft < xSpace )
{
xCount = pxClient->xBytesLeft;
}
else
{
xCount = xSpace;
}
if( xCount > 0 )
{
if( xCount > sizeof( pxClient->pxParent->pcFileBuffer ) )
{
xCount = sizeof( pxClient->pxParent->pcFileBuffer );
}
ff_fread( pxClient->pxParent->pcFileBuffer, 1, xCount, pxClient->pxFileHandle );
pxClient->xBytesLeft -= xCount;
xRc = FreeRTOS_send( pxClient->xSocket, pxClient->pxParent->pcFileBuffer, xCount, 0 );
if( xRc < 0 )
{
break;
}
}
} while( xCount > 0 );
if( pxClient->xBytesLeft <= 0 )
{
/* Writing is ready, no need for further 'eSELECT_WRITE' events. */
FreeRTOS_FD_CLR( pxClient->xSocket, pxClient->pxParent->xSocketSet, eSELECT_WRITE );
prvFileClose( pxClient );
}
else
{
/* Wake up the TCP task as soon as this socket may be written to. */
FreeRTOS_FD_SET( pxClient->xSocket, pxClient->pxParent->xSocketSet, eSELECT_WRITE );
}
return xRc;
}
static BaseType_t prvOpenURL( HTTPClient_t *pxClient )
{
BaseType_t xRc;
char pcSlash[ 2 ];
pxClient->bits.ulFlags = 0;
#if( ipconfigHTTP_HAS_HANDLE_REQUEST_HOOK != 0 )
{
if( strchr( pxClient->pcUrlData, ipconfigHTTP_REQUEST_CHARACTER ) != NULL )
{
size_t xResult;
xResult = uxApplicationHTTPHandleRequestHook( pxClient->pcUrlData, pxClient->pcCurrentFilename, sizeof( pxClient->pcCurrentFilename ) );
if( xResult > 0 )
{
strcpy( pxClient->pxParent->pcContentsType, "text/html" );
snprintf( pxClient->pxParent->pcExtraContents, sizeof( pxClient->pxParent->pcExtraContents ),
"Content-Length: %d\r\n", ( int ) xResult );
xRc = prvSendReply( pxClient, WEB_REPLY_OK ); /* "Requested file action OK" */
if( xRc > 0 )
{
xRc = FreeRTOS_send( pxClient->xSocket, pxClient->pcCurrentFilename, xResult, 0 );
}
/* Although against the coding standard of FreeRTOS, a return is
done here to simplify this conditional code. */
return xRc;
}
}
}
#endif /* ipconfigHTTP_HAS_HANDLE_REQUEST_HOOK */
if( pxClient->pcUrlData[ 0 ] != '/' )
{
/* Insert a slash before the file name. */
pcSlash[ 0 ] = '/';
pcSlash[ 1 ] = '\0';
}
else
{
/* The browser provided a starting '/' already. */
pcSlash[ 0 ] = '\0';
}
snprintf( pxClient->pcCurrentFilename, sizeof( pxClient->pcCurrentFilename ), "%s%s%s",
pxClient->pcRootDir,
pcSlash,
pxClient->pcUrlData);
pxClient->pxFileHandle = ff_fopen( pxClient->pcCurrentFilename, "rb" );
FreeRTOS_printf( ( "Open file '%s': %s\n", pxClient->pcCurrentFilename,
pxClient->pxFileHandle != NULL ? "Ok" : strerror( stdioGET_ERRNO() ) ) );
if( pxClient->pxFileHandle == NULL )
{
/* "404 File not found". */
xRc = prvSendReply( pxClient, WEB_NOT_FOUND );
}
else
{
pxClient->uxBytesLeft = ( size_t ) pxClient->pxFileHandle->ulFileSize;
xRc = prvSendFile( pxClient );
}
return xRc;
}
