blob: 449f284f7517e2e9047fa6fd3cc4743c28aacb3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* 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 (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
/**
* @defgroup fetcher_manager fetcher_manager
* @{ @ingroup fetcher
*/
#ifndef FETCHER_MANAGER_H_
#define FETCHER_MANAGER_H_
typedef struct fetcher_manager_t fetcher_manager_t;
#include <fetcher/fetcher.h>
/**
* Fetches from URIs using registered fetcher_t instances.
*/
struct fetcher_manager_t {
/**
* Fetch data from URI.
*
* The variable argument list contains fetcher_option_t's, followed
* by a option specific data argument.
* If no FETCH_CALLBACK function is given as option, userdata must be
* a chunk_t*. This chunk gets allocated, accumulated data using the
* fetcher_default_callback() function.
*
* @param uri URI to fetch from
* @param userdata userdata to pass to callback function.
* @param options FETCH_END terminated fetcher_option_t arguments
* @return status indicating result of fetch
*/
status_t (*fetch)(fetcher_manager_t *this, char *url, void *userdata, ...);
/**
* Register a fetcher implementation.
*
* @param constructor fetcher constructor function
* @param url URL type this fetcher fetches, e.g. "http://"
*/
void (*add_fetcher)(fetcher_manager_t *this,
fetcher_constructor_t constructor, char *url);
/**
* Unregister a previously registered fetcher implementation.
*
* @param constructor fetcher constructor function to unregister
*/
void (*remove_fetcher)(fetcher_manager_t *this,
fetcher_constructor_t constructor);
/**
* Destroy a fetcher_manager instance.
*/
void (*destroy)(fetcher_manager_t *this);
};
/**
* Create a fetcher_manager instance.
*/
fetcher_manager_t *fetcher_manager_create();
#endif /** FETCHER_MANAGER_H_ @}*/
|
