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29508e1e NH |
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 | ||
25 | struct active_request_slot | |
26 | { | |
27 | CURL *curl; | |
28 | FILE *local; | |
29 | int in_use; | |
30 | CURLcode curl_result; | |
31 | long http_code; | |
32 | void *callback_data; | |
33 | void (*callback_func)(void *data); | |
34 | struct active_request_slot *next; | |
35 | }; | |
36 | ||
37 | struct buffer | |
38 | { | |
39 | size_t posn; | |
40 | size_t size; | |
41 | void *buffer; | |
42 | }; | |
43 | ||
44 | /* Curl request read/write callbacks */ | |
45 | extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, | |
46 | struct buffer *buffer); | |
47 | extern size_t fwrite_buffer(const void *ptr, size_t eltsize, | |
48 | size_t nmemb, struct buffer *buffer); | |
49 | extern size_t fwrite_null(const void *ptr, size_t eltsize, | |
50 | size_t nmemb, struct buffer *buffer); | |
51 | ||
52 | /* Slot lifecycle functions */ | |
53 | extern struct active_request_slot *get_active_slot(void); | |
54 | extern int start_active_slot(struct active_request_slot *slot); | |
55 | extern void run_active_slot(struct active_request_slot *slot); | |
56 | extern void finish_all_active_slots(void); | |
57 | ||
58 | #ifdef USE_CURL_MULTI | |
59 | extern void fill_active_slots(void); | |
60 | extern void step_active_slots(void); | |
61 | #endif | |
62 | ||
63 | extern void http_init(void); | |
64 | extern void http_cleanup(void); | |
65 | ||
66 | extern int data_received; | |
67 | extern int active_requests; | |
68 | ||
69 | #ifdef USE_CURL_MULTI | |
70 | extern int max_requests; | |
71 | extern CURLM *curlm; | |
72 | #endif | |
73 | #ifndef NO_CURL_EASY_DUPHANDLE | |
74 | extern CURL *curl_default; | |
75 | #endif | |
76 | extern char curl_errorstr[CURL_ERROR_SIZE]; | |
77 | ||
78 | extern int curl_ssl_verify; | |
79 | extern char *ssl_cert; | |
80 | #if LIBCURL_VERSION_NUM >= 0x070902 | |
81 | extern char *ssl_key; | |
82 | #endif | |
83 | #if LIBCURL_VERSION_NUM >= 0x070908 | |
84 | extern char *ssl_capath; | |
85 | #endif | |
86 | extern char *ssl_cainfo; | |
87 | extern long curl_low_speed_limit; | |
88 | extern long curl_low_speed_time; | |
89 | ||
90 | extern struct curl_slist *pragma_header; | |
91 | extern struct curl_slist *no_range_header; | |
92 | ||
93 | extern struct active_request_slot *active_queue_head; | |
94 | ||
95 | #endif /* HTTP_H */ |