1#ifndef HTTP_H
2#define HTTP_H
3
4#include "cache.h"
5
6#include <curl/curl.h>
7#include <curl/easy.h>
8
9#if LIBCURL_VERSION_NUM >= 0x070908
10#define USE_CURL_MULTI
11#define DEFAULT_MAX_REQUESTS 5
12#endif
13
14#if LIBCURL_VERSION_NUM < 0x070704
15#define curl_global_cleanup() do { /* nothing */ } while(0)
16#endif
17#if LIBCURL_VERSION_NUM < 0x070800
18#define curl_global_init(a) do { /* nothing */ } while(0)
19#endif
20
21#if LIBCURL_VERSION_NUM < 0x070c04
22#define NO_CURL_EASY_DUPHANDLE
23#endif
24
25struct slot_results
26{
27 CURLcode curl_result;
28 long http_code;
29};
30
31struct active_request_slot
32{
33 CURL *curl;
34 FILE *local;
35 int in_use;
36 CURLcode curl_result;
37 long http_code;
38 struct slot_results *results;
39 void *callback_data;
40 void (*callback_func)(void *data);
41 struct active_request_slot *next;
42};
43
44struct buffer
45{
46 size_t posn;
47 size_t size;
48 void *buffer;
49};
50
51/* Curl request read/write callbacks */
52extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb,
53 struct buffer *buffer);
54extern size_t fwrite_buffer(const void *ptr, size_t eltsize,
55 size_t nmemb, struct buffer *buffer);
56extern size_t fwrite_null(const void *ptr, size_t eltsize,
57 size_t nmemb, struct buffer *buffer);
58
59/* Slot lifecycle functions */
60extern struct active_request_slot *get_active_slot(void);
61extern int start_active_slot(struct active_request_slot *slot);
62extern void run_active_slot(struct active_request_slot *slot);
63extern void finish_all_active_slots(void);
64
65#ifdef USE_CURL_MULTI
66extern void fill_active_slots(void);
67extern void step_active_slots(void);
68#endif
69
70extern void http_init(void);
71extern void http_cleanup(void);
72
73extern int data_received;
74extern int active_requests;
75
76#ifdef USE_CURL_MULTI
77extern int max_requests;
78extern CURLM *curlm;
79#endif
80#ifndef NO_CURL_EASY_DUPHANDLE
81extern CURL *curl_default;
82#endif
83extern char curl_errorstr[CURL_ERROR_SIZE];
84
85extern int curl_ssl_verify;
86extern char *ssl_cert;
87#if LIBCURL_VERSION_NUM >= 0x070902
88extern char *ssl_key;
89#endif
90#if LIBCURL_VERSION_NUM >= 0x070908
91extern char *ssl_capath;
92#endif
93extern char *ssl_cainfo;
94extern long curl_low_speed_limit;
95extern long curl_low_speed_time;
96
97extern struct curl_slist *pragma_header;
98extern struct curl_slist *no_range_header;
99
100extern struct active_request_slot *active_queue_head;
101
102#endif /* HTTP_H */