diff options
Diffstat (limited to 'qemu/roms/ipxe/src/core/open.c')
| -rw-r--r-- | qemu/roms/ipxe/src/core/open.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/qemu/roms/ipxe/src/core/open.c b/qemu/roms/ipxe/src/core/open.c deleted file mode 100644 index 9d665ffda..000000000 --- a/qemu/roms/ipxe/src/core/open.c +++ /dev/null @@ -1,232 +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 <stdarg.h> -#include <string.h> -#include <errno.h> -#include <ipxe/xfer.h> -#include <ipxe/uri.h> -#include <ipxe/socket.h> -#include <ipxe/open.h> - -/** @file - * - * Data transfer interface opening - * - */ - -/** - * Find opener for URI scheme - * - * @v scheme URI scheme - * @ret opener Opener, or NULL - */ -struct uri_opener * xfer_uri_opener ( const char *scheme ) { - struct uri_opener *opener; - - for_each_table_entry ( opener, URI_OPENERS ) { - if ( strcmp ( scheme, opener->scheme ) == 0 ) - return opener; - } - return NULL; -} - -/** - * Open URI - * - * @v intf Data transfer interface - * @v uri URI - * @ret rc Return status code - * - * The URI will be regarded as being relative to the current working - * URI (see churi()). - */ -int xfer_open_uri ( struct interface *intf, struct uri *uri ) { - struct uri_opener *opener; - struct uri *resolved_uri; - int rc; - - /* Resolve URI */ - resolved_uri = resolve_uri ( cwuri, uri ); - if ( ! resolved_uri ) { - rc = -ENOMEM; - goto err_resolve_uri; - } - - /* Find opener which supports this URI scheme */ - opener = xfer_uri_opener ( resolved_uri->scheme ); - if ( ! opener ) { - DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " attempted to open " - "unsupported URI scheme \"%s\"\n", - INTF_DBG ( intf ), resolved_uri->scheme ); - rc = -ENOTSUP; - goto err_opener; - } - - /* Call opener */ - DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " opening %s URI\n", - INTF_DBG ( intf ), resolved_uri->scheme ); - if ( ( rc = opener->open ( intf, resolved_uri ) ) != 0 ) { - DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " could not open: " - "%s\n", INTF_DBG ( intf ), strerror ( rc ) ); - goto err_open; - } - - err_open: - err_opener: - uri_put ( resolved_uri ); - err_resolve_uri: - return rc; -} - -/** - * Open URI string - * - * @v intf Data transfer interface - * @v uri_string URI string (e.g. "http://ipxe.org/kernel") - * @ret rc Return status code - * - * The URI will be regarded as being relative to the current working - * URI (see churi()). - */ -int xfer_open_uri_string ( struct interface *intf, - const char *uri_string ) { - struct uri *uri; - int rc; - - DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " opening URI %s\n", - INTF_DBG ( intf ), uri_string ); - - uri = parse_uri ( uri_string ); - if ( ! uri ) - return -ENOMEM; - - rc = xfer_open_uri ( intf, uri ); - - uri_put ( uri ); - return rc; -} - -/** - * Open socket - * - * @v intf Data transfer interface - * @v semantics Communication semantics (e.g. SOCK_STREAM) - * @v peer Peer socket address - * @v local Local socket address, or NULL - * @ret rc Return status code - */ -int xfer_open_socket ( struct interface *intf, int semantics, - struct sockaddr *peer, struct sockaddr *local ) { - struct socket_opener *opener; - - DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " opening (%s,%s) socket\n", - INTF_DBG ( intf ), socket_semantics_name ( semantics ), - socket_family_name ( peer->sa_family ) ); - - for_each_table_entry ( opener, SOCKET_OPENERS ) { - if ( ( opener->semantics == semantics ) && - ( opener->family == peer->sa_family ) ) { - return opener->open ( intf, peer, local ); - } - } - - DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " attempted to open " - "unsupported socket type (%s,%s)\n", - INTF_DBG ( intf ), socket_semantics_name ( semantics ), - socket_family_name ( peer->sa_family ) ); - return -ENOTSUP; -} - -/** - * Open location - * - * @v intf Data transfer interface - * @v type Location type - * @v args Remaining arguments depend upon location type - * @ret rc Return status code - */ -int xfer_vopen ( struct interface *intf, int type, va_list args ) { - switch ( type ) { - case LOCATION_URI_STRING: { - const char *uri_string = va_arg ( args, const char * ); - - return xfer_open_uri_string ( intf, uri_string ); } - case LOCATION_URI: { - struct uri *uri = va_arg ( args, struct uri * ); - - return xfer_open_uri ( intf, uri ); } - case LOCATION_SOCKET: { - int semantics = va_arg ( args, int ); - struct sockaddr *peer = va_arg ( args, struct sockaddr * ); - struct sockaddr *local = va_arg ( args, struct sockaddr * ); - - return xfer_open_socket ( intf, semantics, peer, local ); } - default: - DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " attempted to " - "open unsupported location type %d\n", - INTF_DBG ( intf ), type ); - return -ENOTSUP; - } -} - -/** - * Open location - * - * @v intf Data transfer interface - * @v type Location type - * @v ... Remaining arguments depend upon location type - * @ret rc Return status code - */ -int xfer_open ( struct interface *intf, int type, ... ) { - va_list args; - int rc; - - va_start ( args, type ); - rc = xfer_vopen ( intf, type, args ); - va_end ( args ); - return rc; -} - -/** - * Reopen location - * - * @v intf Data transfer interface - * @v type Location type - * @v args Remaining arguments depend upon location type - * @ret rc Return status code - * - * This will close the existing connection and open a new connection - * using xfer_vopen(). It is intended to be used as a .vredirect - * method handler. - */ -int xfer_vreopen ( struct interface *intf, int type, va_list args ) { - - /* Close existing connection */ - intf_restart ( intf, 0 ); - - /* Open new location */ - return xfer_vopen ( intf, type, args ); -} |