http: create function end_url_with_slash
[git/git.git] / http.h
... / ...
CommitLineData
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#include "strbuf.h"
10#include "remote.h"
11
12/*
13 * We detect based on the cURL version if multi-transfer is
14 * usable in this implementation and define this symbol accordingly.
15 * This is not something Makefile should set nor users should pass
16 * via CFLAGS.
17 */
18#undef USE_CURL_MULTI
19
20#if LIBCURL_VERSION_NUM >= 0x071000
21#define USE_CURL_MULTI
22#define DEFAULT_MAX_REQUESTS 5
23#endif
24
25#if LIBCURL_VERSION_NUM < 0x070704
26#define curl_global_cleanup() do { /* nothing */ } while(0)
27#endif
28#if LIBCURL_VERSION_NUM < 0x070800
29#define curl_global_init(a) do { /* nothing */ } while(0)
30#endif
31
32#if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000)
33#define NO_CURL_EASY_DUPHANDLE
34#endif
35
36#if LIBCURL_VERSION_NUM < 0x070a03
37#define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND
38#endif
39
40#if LIBCURL_VERSION_NUM < 0x070c03
41#define NO_CURL_IOCTL
42#endif
43
44struct slot_results
45{
46 CURLcode curl_result;
47 long http_code;
48};
49
50struct active_request_slot
51{
52 CURL *curl;
53 FILE *local;
54 int in_use;
55 CURLcode curl_result;
56 long http_code;
57 int *finished;
58 struct slot_results *results;
59 void *callback_data;
60 void (*callback_func)(void *data);
61 struct active_request_slot *next;
62};
63
64struct buffer
65{
66 struct strbuf buf;
67 size_t posn;
68};
69
70/* Curl request read/write callbacks */
71extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, void *strbuf);
72extern size_t fwrite_buffer(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf);
73extern size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf);
74#ifndef NO_CURL_IOCTL
75extern curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp);
76#endif
77
78/* Slot lifecycle functions */
79extern struct active_request_slot *get_active_slot(void);
80extern int start_active_slot(struct active_request_slot *slot);
81extern void run_active_slot(struct active_request_slot *slot);
82extern void finish_all_active_slots(void);
83extern void release_active_slot(struct active_request_slot *slot);
84
85#ifdef USE_CURL_MULTI
86extern void fill_active_slots(void);
87extern void add_fill_function(void *data, int (*fill)(void *));
88extern void step_active_slots(void);
89#endif
90
91extern struct curl_slist *no_pragma_header;
92
93#define RANGE_HEADER_SIZE 30
94
95extern void http_init(struct remote *remote);
96extern void http_cleanup(void);
97
98extern int data_received;
99extern int active_requests;
100extern int http_is_verbose;
101
102extern char curl_errorstr[CURL_ERROR_SIZE];
103
104static inline int missing__target(int code, int result)
105{
106 return /* file:// URL -- do we ever use one??? */
107 (result == CURLE_FILE_COULDNT_READ_FILE) ||
108 /* http:// and https:// URL */
109 (code == 404 && result == CURLE_HTTP_RETURNED_ERROR) ||
110 /* ftp:// URL */
111 (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE)
112 ;
113}
114
115#define missing_target(a) missing__target((a)->http_code, (a)->curl_result)
116
117extern int http_fetch_ref(const char *base, struct ref *ref);
118
119#endif /* HTTP_H */