Miscellaneous const changes and utilities
[alt-git.git] / http.h
blob72abac20f856b45c873cc370f23c7df08b650370
1 #ifndef HTTP_H
2 #define HTTP_H
4 #include "cache.h"
6 #include <curl/curl.h>
7 #include <curl/easy.h>
9 #if LIBCURL_VERSION_NUM >= 0x071000
10 #define USE_CURL_MULTI
11 #define DEFAULT_MAX_REQUESTS 5
12 #endif
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
21 #if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000)
22 #define NO_CURL_EASY_DUPHANDLE
23 #endif
25 #if LIBCURL_VERSION_NUM < 0x070a03
26 #define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND
27 #endif
29 struct slot_results
31 CURLcode curl_result;
32 long http_code;
35 struct active_request_slot
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;
49 struct buffer
51 size_t posn;
52 size_t size;
53 void *buffer;
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);
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);
71 #ifdef USE_CURL_MULTI
72 extern void fill_active_slots(void);
73 extern void add_fill_function(void *data, int (*fill)(void *));
74 extern void step_active_slots(void);
75 #endif
77 extern void http_init(void);
78 extern void http_cleanup(void);
80 extern int data_received;
81 extern int active_requests;
83 #ifndef NO_CURL_EASY_DUPHANDLE
84 extern CURL *curl_default;
85 #endif
86 extern char curl_errorstr[CURL_ERROR_SIZE];
88 extern int curl_ssl_verify;
89 extern char *ssl_cert;
90 #if LIBCURL_VERSION_NUM >= 0x070902
91 extern char *ssl_key;
92 #endif
93 #if LIBCURL_VERSION_NUM >= 0x070908
94 extern char *ssl_capath;
95 #endif
96 extern char *ssl_cainfo;
97 extern long curl_low_speed_limit;
98 extern long curl_low_speed_time;
100 extern struct curl_slist *pragma_header;
101 extern struct curl_slist *no_range_header;
103 #endif /* HTTP_H */