| paul@93 | 1 | /* |
| paul@93 | 2 | * A context resource offering support for opening files. |
| paul@93 | 3 | * |
| paul@93 | 4 | * Copyright (C) 2021 Paul Boddie <paul@boddie.org.uk> |
| paul@93 | 5 | * |
| paul@93 | 6 | * This program is free software; you can redistribute it and/or |
| paul@93 | 7 | * modify it under the terms of the GNU General Public License as |
| paul@93 | 8 | * published by the Free Software Foundation; either version 2 of |
| paul@93 | 9 | * the License, or (at your option) any later version. |
| paul@93 | 10 | * |
| paul@93 | 11 | * This program is distributed in the hope that it will be useful, |
| paul@93 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| paul@93 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| paul@93 | 14 | * GNU General Public License for more details. |
| paul@93 | 15 | * |
| paul@93 | 16 | * You should have received a copy of the GNU General Public License |
| paul@93 | 17 | * along with this program; if not, write to the Free Software |
| paul@93 | 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| paul@93 | 19 | * Boston, MA 02110-1301, USA |
| paul@93 | 20 | */ |
| paul@93 | 21 | |
| paul@9 | 22 | #pragma once |
| paul@9 | 23 | |
| paul@94 | 24 | #include <fsserver/opener_context_object_interface.h> |
| paul@94 | 25 | #include <fsserver/simple_pager.h> |
| paul@9 | 26 | |
| paul@9 | 27 | |
| paul@9 | 28 | |
| paul@9 | 29 | /* Forward declaration. */ |
| paul@9 | 30 | |
| paul@10 | 31 | class OpenerResource; |
| paul@9 | 32 | |
| paul@9 | 33 | |
| paul@9 | 34 | |
| paul@9 | 35 | /* Support for indicating files to be opened. */ |
| paul@9 | 36 | |
| paul@10 | 37 | class OpenerContextResource : public SimplePager, public OpenerContextObject |
| paul@9 | 38 | { |
| paul@9 | 39 | protected: |
| paul@10 | 40 | OpenerResource *_opener; |
| paul@9 | 41 | |
| paul@9 | 42 | public: |
| paul@10 | 43 | explicit OpenerContextResource(OpenerResource *opener, Memory *memory=NULL); |
| paul@10 | 44 | |
| paul@10 | 45 | /* Server details. */ |
| paul@10 | 46 | |
| paul@10 | 47 | int expected_items(); |
| paul@9 | 48 | |
| paul@10 | 49 | ipc_server_handler_type handler(); |
| paul@10 | 50 | |
| paul@10 | 51 | void *interface() |
| paul@10 | 52 | { return static_cast<OpenerContextObject *>(this); } |
| paul@10 | 53 | |
| paul@10 | 54 | /* Data access methods. */ |
| paul@9 | 55 | |
| paul@9 | 56 | char *get_path(); |
| paul@10 | 57 | |
| paul@10 | 58 | /* Opener context interface methods. */ |
| paul@10 | 59 | |
| paul@171 | 60 | long open(flags_t flags, offset_t *size, l4_cap_idx_t *file, |
| paul@171 | 61 | object_flags_t *object_flags); |
| paul@10 | 62 | |
| paul@232 | 63 | long remove(); |
| paul@232 | 64 | |
| paul@10 | 65 | /* Pager/dataspace methods. */ |
| paul@10 | 66 | |
| paul@121 | 67 | long map(unsigned long offset, address_t hot_spot, map_flags_t flags, |
| paul@10 | 68 | l4_snd_fpage_t *region) |
| paul@10 | 69 | { return SimplePager::map(offset, hot_spot, flags, region); } |
| paul@10 | 70 | |
| paul@10 | 71 | long info(unsigned long *size, unsigned long *flags) |
| paul@10 | 72 | { return SimplePager::info(size, flags); } |
| paul@9 | 73 | }; |
| paul@9 | 74 | |
| paul@9 | 75 | // vim: tabstop=4 expandtab shiftwidth=4 |
