14 * We detect based on the cURL version if multi-transfer is
15 * usable in this implementation and define this symbol accordingly.
16 * This is not something Makefile should set nor users should pass
21 #if LIBCURL_VERSION_NUM >= 0x071000
22 #define USE_CURL_MULTI
23 #define DEFAULT_MAX_REQUESTS 5
26 #if LIBCURL_VERSION_NUM < 0x070704
27 #define curl_global_cleanup() do { /* nothing */ } while (0)
29 #if LIBCURL_VERSION_NUM < 0x070800
30 #define curl_global_init(a) do { /* nothing */ } while (0)
33 #if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000)
34 #define NO_CURL_EASY_DUPHANDLE
37 #if LIBCURL_VERSION_NUM < 0x070a03
38 #define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND
41 #if LIBCURL_VERSION_NUM < 0x070c03
46 * CURLOPT_USE_SSL was known as CURLOPT_FTP_SSL up to 7.16.4,
47 * and the constants were known as CURLFTPSSL_*
49 #if !defined(CURLOPT_USE_SSL) && defined(CURLOPT_FTP_SSL)
50 #define CURLOPT_USE_SSL CURLOPT_FTP_SSL
51 #define CURLUSESSL_TRY CURLFTPSSL_TRY
59 struct active_request_slot
{
65 struct slot_results
*results
;
67 void (*callback_func
)(void *data
);
68 struct active_request_slot
*next
;
76 /* Curl request read/write callbacks */
77 extern size_t fread_buffer(char *ptr
, size_t eltsize
, size_t nmemb
, void *strbuf
);
78 extern size_t fwrite_buffer(char *ptr
, size_t eltsize
, size_t nmemb
, void *strbuf
);
79 extern size_t fwrite_null(char *ptr
, size_t eltsize
, size_t nmemb
, void *strbuf
);
81 extern curlioerr
ioctl_buffer(CURL
*handle
, int cmd
, void *clientp
);
84 /* Slot lifecycle functions */
85 extern struct active_request_slot
*get_active_slot(void);
86 extern int start_active_slot(struct active_request_slot
*slot
);
87 extern void run_active_slot(struct active_request_slot
*slot
);
88 extern void finish_active_slot(struct active_request_slot
*slot
);
89 extern void finish_all_active_slots(void);
90 extern int handle_curl_result(struct slot_results
*results
);
93 extern void fill_active_slots(void);
94 extern void add_fill_function(void *data
, int (*fill
)(void *));
95 extern void step_active_slots(void);
98 extern void http_init(struct remote
*remote
, const char *url
,
100 extern void http_cleanup(void);
102 extern int active_requests
;
103 extern int http_is_verbose
;
104 extern size_t http_post_buffer
;
106 extern char curl_errorstr
[CURL_ERROR_SIZE
];
108 static inline int missing__target(int code
, int result
)
110 return /* file:// URL -- do we ever use one??? */
111 (result
== CURLE_FILE_COULDNT_READ_FILE
) ||
112 /* http:// and https:// URL */
113 (code
== 404 && result
== CURLE_HTTP_RETURNED_ERROR
) ||
115 (code
== 550 && result
== CURLE_FTP_COULDNT_RETR_FILE
)
119 #define missing_target(a) missing__target((a)->http_code, (a)->curl_result)
121 /* Helpers for modifying and creating URLs */
122 extern void append_remote_object_url(struct strbuf
*buf
, const char *url
,
124 int only_two_digit_prefix
);
125 extern char *get_remote_object_url(const char *url
, const char *hex
,
126 int only_two_digit_prefix
);
128 /* Options for http_request_*() */
129 #define HTTP_NO_CACHE 1
131 /* Return values for http_request_*() */
133 #define HTTP_MISSING_TARGET 1
135 #define HTTP_START_FAILED 3
136 #define HTTP_REAUTH 4
137 #define HTTP_NOAUTH 5
140 * Requests a URL and stores the result in a strbuf.
142 * If the result pointer is NULL, a HTTP HEAD request is made instead of GET.
144 int http_get_strbuf(const char *url
, struct strbuf
*content_type
, struct strbuf
*result
, int options
);
147 * Prints an error message using error() containing url and curl_errorstr,
150 int http_error(const char *url
, int ret
);
152 extern int http_fetch_ref(const char *base
, struct ref
*ref
);
154 /* Helpers for fetching packs */
155 extern int http_get_info_packs(const char *base_url
,
156 struct packed_git
**packs_head
);
158 struct http_pack_request
{
160 struct packed_git
*target
;
161 struct packed_git
**lst
;
163 char tmpfile
[PATH_MAX
];
164 struct curl_slist
*range_header
;
165 struct active_request_slot
*slot
;
168 extern struct http_pack_request
*new_http_pack_request(
169 struct packed_git
*target
, const char *base_url
);
170 extern int finish_http_pack_request(struct http_pack_request
*preq
);
171 extern void release_http_pack_request(struct http_pack_request
*preq
);
173 /* Helpers for fetching object */
174 struct http_object_request
{
176 char tmpfile
[PATH_MAX
];
178 CURLcode curl_result
;
179 char errorstr
[CURL_ERROR_SIZE
];
181 unsigned char sha1
[20];
182 unsigned char real_sha1
[20];
187 struct active_request_slot
*slot
;
190 extern struct http_object_request
*new_http_object_request(
191 const char *base_url
, unsigned char *sha1
);
192 extern void process_http_object_request(struct http_object_request
*freq
);
193 extern int finish_http_object_request(struct http_object_request
*freq
);
194 extern void abort_http_object_request(struct http_object_request
*freq
);
195 extern void release_http_object_request(struct http_object_request
*freq
);