diff options
Diffstat (limited to 'qemu/roms/ipxe/src/core/downloader.c')
| -rw-r--r-- | qemu/roms/ipxe/src/core/downloader.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/qemu/roms/ipxe/src/core/downloader.c b/qemu/roms/ipxe/src/core/downloader.c deleted file mode 100644 index d745f3617..000000000 --- a/qemu/roms/ipxe/src/core/downloader.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <stdlib.h> -#include <errno.h> -#include <syslog.h> -#include <ipxe/iobuf.h> -#include <ipxe/xfer.h> -#include <ipxe/open.h> -#include <ipxe/job.h> -#include <ipxe/uaccess.h> -#include <ipxe/umalloc.h> -#include <ipxe/image.h> -#include <ipxe/xferbuf.h> -#include <ipxe/downloader.h> - -/** @file - * - * Image downloader - * - */ - -/** A downloader */ -struct downloader { - /** Reference count for this object */ - struct refcnt refcnt; - - /** Job control interface */ - struct interface job; - /** Data transfer interface */ - struct interface xfer; - - /** Image to contain downloaded file */ - struct image *image; - /** Data transfer buffer */ - struct xfer_buffer buffer; -}; - -/** - * Free downloader object - * - * @v refcnt Downloader reference counter - */ -static void downloader_free ( struct refcnt *refcnt ) { - struct downloader *downloader = - container_of ( refcnt, struct downloader, refcnt ); - - image_put ( downloader->image ); - free ( downloader ); -} - -/** - * Terminate download - * - * @v downloader Downloader - * @v rc Reason for termination - */ -static void downloader_finished ( struct downloader *downloader, int rc ) { - - /* Log download status */ - if ( rc == 0 ) { - syslog ( LOG_NOTICE, "Downloaded \"%s\"\n", - downloader->image->name ); - } else { - syslog ( LOG_ERR, "Download of \"%s\" failed: %s\n", - downloader->image->name, strerror ( rc ) ); - } - - /* Update image length */ - downloader->image->len = downloader->buffer.len; - - /* Shut down interfaces */ - intf_shutdown ( &downloader->xfer, rc ); - intf_shutdown ( &downloader->job, rc ); -} - -/**************************************************************************** - * - * Job control interface - * - */ - -/** - * Report progress of download job - * - * @v downloader Downloader - * @v progress Progress report to fill in - * @ret ongoing_rc Ongoing job status code (if known) - */ -static int downloader_progress ( struct downloader *downloader, - struct job_progress *progress ) { - - /* This is not entirely accurate, since downloaded data may - * arrive out of order (e.g. with multicast protocols), but - * it's a reasonable first approximation. - */ - progress->completed = downloader->buffer.pos; - progress->total = downloader->buffer.len; - - return 0; -} - -/**************************************************************************** - * - * Data transfer interface - * - */ - -/** - * Handle received data - * - * @v downloader Downloader - * @v iobuf Datagram I/O buffer - * @v meta Data transfer metadata - * @ret rc Return status code - */ -static int downloader_xfer_deliver ( struct downloader *downloader, - struct io_buffer *iobuf, - struct xfer_metadata *meta ) { - int rc; - - /* Add data to buffer */ - if ( ( rc = xferbuf_deliver ( &downloader->buffer, iob_disown ( iobuf ), - meta ) ) != 0 ) - goto err_deliver; - - return 0; - - err_deliver: - downloader_finished ( downloader, rc ); - return rc; -} - -/** - * Get underlying data transfer buffer - * - * @v downloader Downloader - * @ret xferbuf Data transfer buffer, or NULL on error - */ -static struct xfer_buffer * -downloader_xfer_buffer ( struct downloader *downloader ) { - - /* Provide direct access to underlying data transfer buffer */ - return &downloader->buffer; -} - -/** Downloader data transfer interface operations */ -static struct interface_operation downloader_xfer_operations[] = { - INTF_OP ( xfer_deliver, struct downloader *, downloader_xfer_deliver ), - INTF_OP ( xfer_buffer, struct downloader *, downloader_xfer_buffer ), - INTF_OP ( intf_close, struct downloader *, downloader_finished ), -}; - -/** Downloader data transfer interface descriptor */ -static struct interface_descriptor downloader_xfer_desc = - INTF_DESC ( struct downloader, xfer, downloader_xfer_operations ); - -/**************************************************************************** - * - * Job control interface - * - */ - -/** Downloader job control interface operations */ -static struct interface_operation downloader_job_op[] = { - INTF_OP ( job_progress, struct downloader *, downloader_progress ), - INTF_OP ( intf_close, struct downloader *, downloader_finished ), -}; - -/** Downloader job control interface descriptor */ -static struct interface_descriptor downloader_job_desc = - INTF_DESC ( struct downloader, job, downloader_job_op ); - -/**************************************************************************** - * - * Instantiator - * - */ - -/** - * Instantiate a downloader - * - * @v job Job control interface - * @v image Image to fill with downloaded file - * @ret rc Return status code - * - * Instantiates a downloader object to download the content of the - * specified image from its URI. - */ -int create_downloader ( struct interface *job, struct image *image ) { - struct downloader *downloader; - int rc; - - /* Allocate and initialise structure */ - downloader = zalloc ( sizeof ( *downloader ) ); - if ( ! downloader ) - return -ENOMEM; - ref_init ( &downloader->refcnt, downloader_free ); - intf_init ( &downloader->job, &downloader_job_desc, - &downloader->refcnt ); - intf_init ( &downloader->xfer, &downloader_xfer_desc, - &downloader->refcnt ); - downloader->image = image_get ( image ); - xferbuf_umalloc_init ( &downloader->buffer, &image->data ); - - /* Instantiate child objects and attach to our interfaces */ - if ( ( rc = xfer_open_uri ( &downloader->xfer, image->uri ) ) != 0 ) - goto err; - - /* Attach parent interface, mortalise self, and return */ - intf_plug_plug ( &downloader->job, job ); - ref_put ( &downloader->refcnt ); - return 0; - - err: - downloader_finished ( downloader, rc ); - ref_put ( &downloader->refcnt ); - return rc; -} |