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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* HTFWriter: File Writer for libwww
C FILE WRITER
It is useful to have both FWriter and Writer for environments in which fdopen() doesn't
exist for example.
Part of libwww . Implemented by HTFWriter.c
*/
#ifndef HTFWRITE_H
#define HTFWRITE_H
#include "HTStream.h"
#include <stdio.h>
#include "HTFormat.h"
#ifdef SHORT_NAMES
#define HTFWriter_new HTFWnew
#endif
/*
Set up a Stream to a File
This function puts up a new stream given an open file descripter. If the file is not to
be closed afterwards, then set leave_open = NO.
*/
extern HTStream * HTFWriter_new PARAMS((FILE * fp,
BOOL leave_open));
/*
CONVERTERS
HTSaveAndCallBack will save to a cache file and call the request->callback function
with the filename as parameter.
*/
#ifndef pyramid
extern HTConverter HTSaveAndExecute, HTSaveLocally, HTSaveAndCallBack,
HTThroughLine;
#endif
/*
Get Local File Name
This function tries really hard to generate a non-existent file name on the local file
system. You can specify the path of the file so that the file name is generated
relatively to this. Two modes of file name generations exist: It can either generate a
hash based file name or take the last part of the URL and generate a more human
readable file name.
*/
extern char *HTFWriter_filename PARAMS((char * path,
char * url,
CONST char * suffix,
unsigned int limit));
/*
The Client Cache
The cache contains details of temporary disk files which contain the contents of remote
documents. There is also a list of cache items for each URL in its anchor object.
AN ITEM IN THE CACHE
*/
typedef struct _HTCacheItem {
HTParentAnchor * anchor;
HTFormat format; /* May have many formats per anchor */
char * filename;
time_t load_time;
time_t load_delay;
int reference_count;
} HTCacheItem;
/*
THE CACHE ITSELF
There is one global cache. No, it's not reentrant code then. If we find a use for >1
cache then we can change it. Currently the obvious advantage is when all things which
could gain from caching use the same one.
*/
extern HTList * HTCache; /* made up of HTCacheItem items */
/*
THE CACHE LIMIT
The cache limit is the number of files which are kept. Yes, I know, the amount of disk
space wouldbe more relevant. So this may change. Currentlyit is present to 100 but may
be changed by the application by writing into this variable.
*/
extern int HTCacheLimit;
/*
CLEAR A CACHE
*/
extern void HTCacheClear PARAMS((HTList * cache));
/*
TO REMOVE ALL CACHE FILES KNOWN TO THIS SESSION
*/
extern void HTCacheDeleteAll NOPARAMS;
/*
STREAM FOR WRITING TO CACHE
Note that HTSaveAndCallBack will also generate a cache file.
*/
#ifndef pyramid
extern HTConverter HTCacheWriter;
#endif
#endif
/*
End of definition module */
|
