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Commit | Line | Data |
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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 | ||
028c2976 MH |
9 | #include "strbuf.h" |
10 | ||
9cf04301 | 11 | #if LIBCURL_VERSION_NUM >= 0x071000 |
29508e1e NH |
12 | #define USE_CURL_MULTI |
13 | #define DEFAULT_MAX_REQUESTS 5 | |
14 | #endif | |
15 | ||
16 | #if LIBCURL_VERSION_NUM < 0x070704 | |
17 | #define curl_global_cleanup() do { /* nothing */ } while(0) | |
18 | #endif | |
19 | #if LIBCURL_VERSION_NUM < 0x070800 | |
20 | #define curl_global_init(a) do { /* nothing */ } while(0) | |
21 | #endif | |
22 | ||
500ebb01 | 23 | #if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000) |
29508e1e NH |
24 | #define NO_CURL_EASY_DUPHANDLE |
25 | #endif | |
26 | ||
c774b2dc AH |
27 | #if LIBCURL_VERSION_NUM < 0x070a03 |
28 | #define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND | |
29 | #endif | |
30 | ||
c8568e13 NH |
31 | struct slot_results |
32 | { | |
33 | CURLcode curl_result; | |
34 | long http_code; | |
35 | }; | |
36 | ||
29508e1e NH |
37 | struct active_request_slot |
38 | { | |
39 | CURL *curl; | |
40 | FILE *local; | |
41 | int in_use; | |
42 | CURLcode curl_result; | |
43 | long http_code; | |
baa7b67d | 44 | int *finished; |
c8568e13 | 45 | struct slot_results *results; |
29508e1e NH |
46 | void *callback_data; |
47 | void (*callback_func)(void *data); | |
48 | struct active_request_slot *next; | |
49 | }; | |
50 | ||
51 | struct buffer | |
52 | { | |
028c2976 MH |
53 | struct strbuf buf; |
54 | size_t posn; | |
29508e1e NH |
55 | }; |
56 | ||
57 | /* Curl request read/write callbacks */ | |
58 | extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, | |
59 | struct buffer *buffer); | |
60 | extern size_t fwrite_buffer(const void *ptr, size_t eltsize, | |
028c2976 | 61 | size_t nmemb, struct strbuf *buffer); |
29508e1e | 62 | extern size_t fwrite_null(const void *ptr, size_t eltsize, |
028c2976 | 63 | size_t nmemb, struct strbuf *buffer); |
29508e1e NH |
64 | |
65 | /* Slot lifecycle functions */ | |
66 | extern struct active_request_slot *get_active_slot(void); | |
67 | extern int start_active_slot(struct active_request_slot *slot); | |
68 | extern void run_active_slot(struct active_request_slot *slot); | |
69 | extern void finish_all_active_slots(void); | |
53f31389 | 70 | extern void release_active_slot(struct active_request_slot *slot); |
29508e1e NH |
71 | |
72 | #ifdef USE_CURL_MULTI | |
73 | extern void fill_active_slots(void); | |
fc57b6aa | 74 | extern void add_fill_function(void *data, int (*fill)(void *)); |
29508e1e NH |
75 | extern void step_active_slots(void); |
76 | #endif | |
77 | ||
78 | extern void http_init(void); | |
79 | extern void http_cleanup(void); | |
80 | ||
81 | extern int data_received; | |
82 | extern int active_requests; | |
83 | ||
29508e1e NH |
84 | extern char curl_errorstr[CURL_ERROR_SIZE]; |
85 | ||
e8dc37e0 MH |
86 | static inline int missing__target(int code, int result) |
87 | { | |
88 | return /* file:// URL -- do we ever use one??? */ | |
89 | (result == CURLE_FILE_COULDNT_READ_FILE) || | |
90 | /* http:// and https:// URL */ | |
91 | (code == 404 && result == CURLE_HTTP_RETURNED_ERROR) || | |
92 | /* ftp:// URL */ | |
93 | (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE) | |
94 | ; | |
95 | } | |
96 | ||
97 | #define missing_target(a) missing__target((a)->http_code, (a)->curl_result) | |
98 | ||
d7e92806 MH |
99 | extern int http_fetch_ref(const char *base, const char *ref, unsigned char *sha1); |
100 | ||
29508e1e | 101 | #endif /* HTTP_H */ |