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googlers / jrn / git / 46444f514bf5a1df17885283634256a86fa11196 / . / http.h
blob: 36fa154d2f6adf19bac3db4985360174320f0b8d [file] [log] [blame]
Nick Hengeveld29508e12005-11-18 11:02:58 -0800[diff] [blame]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
Nick Hengeveldc8568e12006-01-31 11:06:55 -0800[diff] [blame]25struct slot_results
26{
27 CURLcode curl_result;
28 long http_code;
29};
30
Nick Hengeveld29508e12005-11-18 11:02:58 -0800[diff] [blame]31struct active_request_slot
32{
33 CURL *curl;
34 FILE *local;
35 int in_use;
36 CURLcode curl_result;
37 long http_code;
Nick Hengeveldc8568e12006-01-31 11:06:55 -0800[diff] [blame]38 struct slot_results *results;
Nick Hengeveld29508e12005-11-18 11:02:58 -0800[diff] [blame]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);
Mark Wooding53f31382006-02-07 10:07:39 +0000[diff] [blame]64extern void release_active_slot(struct active_request_slot *slot);
Nick Hengeveld29508e12005-11-18 11:02:58 -0800[diff] [blame]65
66#ifdef USE_CURL_MULTI
67extern void fill_active_slots(void);
68extern void step_active_slots(void);
69#endif
70
71extern void http_init(void);
72extern void http_cleanup(void);
73
74extern int data_received;
75extern int active_requests;
76
77#ifdef USE_CURL_MULTI
78extern int max_requests;
79extern CURLM *curlm;
80#endif
81#ifndef NO_CURL_EASY_DUPHANDLE
82extern CURL *curl_default;
83#endif
84extern char curl_errorstr[CURL_ERROR_SIZE];
85
86extern int curl_ssl_verify;
87extern char *ssl_cert;
88#if LIBCURL_VERSION_NUM >= 0x070902
89extern char *ssl_key;
90#endif
91#if LIBCURL_VERSION_NUM >= 0x070908
92extern char *ssl_capath;
93#endif
94extern char *ssl_cainfo;
95extern long curl_low_speed_limit;
96extern long curl_low_speed_time;
97
98extern struct curl_slist *pragma_header;
99extern struct curl_slist *no_range_header;
100
101extern struct active_request_slot *active_queue_head;
102
103#endif /* HTTP_H */