14 #define DEFAULT_MAX_REQUESTS 5
20 long http_connectcode
;
23 struct active_request_slot
{
29 struct slot_results
*results
;
31 void (*callback_func
)(void *data
);
32 struct active_request_slot
*next
;
40 /* Curl request read/write callbacks */
41 size_t fread_buffer(char *ptr
, size_t eltsize
, size_t nmemb
, void *strbuf
);
42 size_t fwrite_buffer(char *ptr
, size_t eltsize
, size_t nmemb
, void *strbuf
);
43 size_t fwrite_null(char *ptr
, size_t eltsize
, size_t nmemb
, void *strbuf
);
44 int seek_buffer(void *clientp
, curl_off_t offset
, int origin
);
46 /* Slot lifecycle functions */
47 struct active_request_slot
*get_active_slot(void);
48 int start_active_slot(struct active_request_slot
*slot
);
49 void run_active_slot(struct active_request_slot
*slot
);
50 void finish_all_active_slots(void);
53 * This will run one slot to completion in a blocking manner, similar to how
54 * curl_easy_perform would work (but we don't want to use that, because
55 * we do not want to intermingle calls to curl_multi and curl_easy).
58 int run_one_slot(struct active_request_slot
*slot
,
59 struct slot_results
*results
);
61 void fill_active_slots(void);
62 void add_fill_function(void *data
, int (*fill
)(void *));
63 void step_active_slots(void);
65 void http_init(struct remote
*remote
, const char *url
,
67 void http_cleanup(void);
68 struct curl_slist
*http_copy_default_headers(void);
70 extern long int git_curl_ipresolve
;
71 extern int active_requests
;
72 extern int http_is_verbose
;
73 extern ssize_t http_post_buffer
;
74 extern struct credential http_auth
;
76 extern char curl_errorstr
[CURL_ERROR_SIZE
];
78 enum http_follow_config
{
83 extern enum http_follow_config http_follow_config
;
85 static inline int missing__target(int code
, int result
)
87 return /* file:// URL -- do we ever use one??? */
88 (result
== CURLE_FILE_COULDNT_READ_FILE
) ||
89 /* http:// and https:// URL */
90 (code
== 404 && result
== CURLE_HTTP_RETURNED_ERROR
) ||
92 (code
== 550 && result
== CURLE_FTP_COULDNT_RETR_FILE
)
96 #define missing_target(a) missing__target((a)->http_code, (a)->curl_result)
99 * Normalize curl results to handle CURL_FAILONERROR (or lack thereof). Failing
100 * http codes have their "result" converted to CURLE_HTTP_RETURNED_ERROR, and
101 * an appropriate string placed in the errorstr buffer (pass curl_errorstr if
102 * you don't have a custom buffer).
104 void normalize_curl_result(CURLcode
*result
, long http_code
, char *errorstr
,
107 /* Helpers for modifying and creating URLs */
108 void append_remote_object_url(struct strbuf
*buf
, const char *url
,
110 int only_two_digit_prefix
);
111 char *get_remote_object_url(const char *url
, const char *hex
,
112 int only_two_digit_prefix
);
114 /* Options for http_get_*() */
115 struct http_get_options
{
119 /* If non-NULL, returns the content-type of the response. */
120 struct strbuf
*content_type
;
123 * If non-NULL, and content_type above is non-NULL, returns
124 * the charset parameter from the content-type. If none is
125 * present, returns an empty string.
127 struct strbuf
*charset
;
130 * If non-NULL, returns the URL we ended up at, including any
131 * redirects we followed.
133 struct strbuf
*effective_url
;
136 * If both base_url and effective_url are non-NULL, the base URL will
137 * be munged to reflect any redirections going from the requested url
138 * to effective_url. See the definition of update_url_from_redirect
141 struct strbuf
*base_url
;
144 * If not NULL, contains additional HTTP headers to be sent with the
145 * request. The strings in the list must not be freed until after the
146 * request has completed.
148 struct string_list
*extra_headers
;
151 /* Return values for http_get_*() */
153 #define HTTP_MISSING_TARGET 1
155 #define HTTP_START_FAILED 3
156 #define HTTP_REAUTH 4
157 #define HTTP_NOAUTH 5
158 #define HTTP_NOMATCHPUBLICKEY 6
161 * Requests a URL and stores the result in a strbuf.
163 * If the result pointer is NULL, a HTTP HEAD request is made instead of GET.
165 int http_get_strbuf(const char *url
, struct strbuf
*result
, struct http_get_options
*options
);
168 * Downloads a URL and stores the result in the given file.
170 * If a previous interrupted download is detected (i.e. a previous temporary
171 * file is still around) the download is resumed.
173 int http_get_file(const char *url
, const char *filename
,
174 struct http_get_options
*options
);
176 int http_fetch_ref(const char *base
, struct ref
*ref
);
178 struct curl_slist
*http_append_auth_header(const struct credential
*c
,
179 struct curl_slist
*headers
);
181 /* Helpers for fetching packs */
182 int http_get_info_packs(const char *base_url
,
183 struct packed_git
**packs_head
);
185 /* Helper for getting Accept-Language header */
186 const char *http_get_accept_language_header(void);
188 struct http_pack_request
{
192 * index-pack command to run. Must be terminated by NULL.
194 * If NULL, defaults to {"index-pack", "--stdin", NULL}.
196 const char **index_pack_args
;
197 unsigned preserve_index_pack_stdout
: 1;
200 struct strbuf tmpfile
;
201 struct active_request_slot
*slot
;
202 struct curl_slist
*headers
;
205 struct http_pack_request
*new_http_pack_request(
206 const unsigned char *packed_git_hash
, const char *base_url
);
207 struct http_pack_request
*new_direct_http_pack_request(
208 const unsigned char *packed_git_hash
, char *url
);
209 int finish_http_pack_request(struct http_pack_request
*preq
);
210 void release_http_pack_request(struct http_pack_request
*preq
);
213 * Remove p from the given list, and invoke install_packed_git() on it.
215 * This is a convenience function for users that have obtained a list of packs
216 * from http_get_info_packs() and have chosen a specific pack to fetch.
218 void http_install_packfile(struct packed_git
*p
,
219 struct packed_git
**list_to_remove_from
);
221 /* Helpers for fetching object */
222 struct http_object_request
{
224 struct strbuf tmpfile
;
226 CURLcode curl_result
;
227 char errorstr
[CURL_ERROR_SIZE
];
229 struct object_id oid
;
230 struct object_id real_oid
;
235 struct active_request_slot
*slot
;
236 struct curl_slist
*headers
;
239 struct http_object_request
*new_http_object_request(
240 const char *base_url
, const struct object_id
*oid
);
241 void process_http_object_request(struct http_object_request
*freq
);
242 int finish_http_object_request(struct http_object_request
*freq
);
243 void abort_http_object_request(struct http_object_request
**freq
);
244 void release_http_object_request(struct http_object_request
**freq
);
247 * Instead of using environment variables to determine if curl tracing happens,
248 * behave as if GIT_TRACE_CURL=1 and GIT_TRACE_CURL_NO_DATA=1 is set. Call this
249 * before calling setup_curl_trace().
251 void http_trace_curl_no_data(void);
253 /* setup routine for curl_easy_setopt CURLOPT_DEBUGFUNCTION */
254 void setup_curl_trace(CURL
*handle
);