324fcf4f5482dc67c3f68df0be30fb0aa210401e
[git/git.git] / http.h
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) || (LIBCURL_VERSION_NUM == 0x071000)
22 #define NO_CURL_EASY_DUPHANDLE
23 #endif
24
25 #if LIBCURL_VERSION_NUM < 0x070a03
26 #define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND
27 #endif
28
29 struct slot_results
30 {
31 CURLcode curl_result;
32 long http_code;
33 };
34
35 struct active_request_slot
36 {
37 CURL *curl;
38 FILE *local;
39 int in_use;
40 CURLcode curl_result;
41 long http_code;
42 int *finished;
43 struct slot_results *results;
44 void *callback_data;
45 void (*callback_func)(void *data);
46 struct active_request_slot *next;
47 };
48
49 struct buffer
50 {
51 size_t posn;
52 size_t size;
53 void *buffer;
54 };
55
56 /* Curl request read/write callbacks */
57 extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb,
58 struct buffer *buffer);
59 extern size_t fwrite_buffer(const void *ptr, size_t eltsize,
60 size_t nmemb, struct buffer *buffer);
61 extern size_t fwrite_null(const void *ptr, size_t eltsize,
62 size_t nmemb, struct buffer *buffer);
63
64 /* Slot lifecycle functions */
65 extern struct active_request_slot *get_active_slot(void);
66 extern int start_active_slot(struct active_request_slot *slot);
67 extern void run_active_slot(struct active_request_slot *slot);
68 extern void finish_all_active_slots(void);
69 extern void release_active_slot(struct active_request_slot *slot);
70
71 #ifdef USE_CURL_MULTI
72 extern void fill_active_slots(void);
73 extern void step_active_slots(void);
74 #endif
75
76 extern void http_init(void);
77 extern void http_cleanup(void);
78
79 extern int data_received;
80 extern int active_requests;
81
82 #ifdef USE_CURL_MULTI
83 extern int max_requests;
84 extern CURLM *curlm;
85 #endif
86 #ifndef NO_CURL_EASY_DUPHANDLE
87 extern CURL *curl_default;
88 #endif
89 extern char curl_errorstr[CURL_ERROR_SIZE];
90
91 extern int curl_ssl_verify;
92 extern char *ssl_cert;
93 #if LIBCURL_VERSION_NUM >= 0x070902
94 extern char *ssl_key;
95 #endif
96 #if LIBCURL_VERSION_NUM >= 0x070908
97 extern char *ssl_capath;
98 #endif
99 extern char *ssl_cainfo;
100 extern long curl_low_speed_limit;
101 extern long curl_low_speed_time;
102
103 extern struct curl_slist *pragma_header;
104 extern struct curl_slist *no_range_header;
105
106 extern struct active_request_slot *active_queue_head;
107
108 #endif /* HTTP_H */