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29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
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
028c297 @glandium Use strbuf in http code
glandium authored
9 #include "strbuf.h"
9fc6440 @glandium Set proxy override with http_init()
glandium authored
10 #include "remote.h"
1966d9f @rctay shift end_url_with_slash() from http.[ch] to url.[ch]
rctay authored
11 #include "url.h"
028c297 @glandium Use strbuf in http code
glandium authored
12
4f5f998 @gitster Clarify that http-push being temporarily disabled with older cURL
gitster authored
13 /*
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
17 * via CFLAGS.
18 */
19 #undef USE_CURL_MULTI
20
9cf0430 @julliard http-fetch: Disable use of curl multi support for libcurl < 7.16.
julliard authored
21 #if LIBCURL_VERSION_NUM >= 0x071000
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
22 #define USE_CURL_MULTI
23 #define DEFAULT_MAX_REQUESTS 5
24 #endif
25
26 #if LIBCURL_VERSION_NUM < 0x070704
9874606 @jrn Standardize do { ... } while (0) style
jrn authored
27 #define curl_global_cleanup() do { /* nothing */ } while (0)
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
28 #endif
29 #if LIBCURL_VERSION_NUM < 0x070800
9874606 @jrn Standardize do { ... } while (0) style
jrn authored
30 #define curl_global_init(a) do { /* nothing */ } while (0)
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
31 #endif
32
500ebb0 Work around http-fetch built with cURL 7.16.0
Junio C Hamano authored
33 #if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000)
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
34 #define NO_CURL_EASY_DUPHANDLE
35 #endif
36
c774b2d Patch for http-fetch.c and older curl releases
Art Haas authored
37 #if LIBCURL_VERSION_NUM < 0x070a03
38 #define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND
39 #endif
40
3944ba0 @mstorsjo Allow curl to rewind the read buffers
mstorsjo authored
41 #if LIBCURL_VERSION_NUM < 0x070c03
42 #define NO_CURL_IOCTL
43 #endif
44
9cba13c @jrn standardize brace placement in struct definitions
jrn authored
45 struct slot_results {
c8568e1 Fix HTTP request result processing after slot reuse
Nick Hengeveld authored
46 CURLcode curl_result;
47 long http_code;
48 };
49
9cba13c @jrn standardize brace placement in struct definitions
jrn authored
50 struct active_request_slot {
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
51 CURL *curl;
52 FILE *local;
53 int in_use;
54 CURLcode curl_result;
55 long http_code;
baa7b67 HTTP slot reuse fixes
Nick Hengeveld authored
56 int *finished;
c8568e1 Fix HTTP request result processing after slot reuse
Nick Hengeveld authored
57 struct slot_results *results;
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
58 void *callback_data;
59 void (*callback_func)(void *data);
60 struct active_request_slot *next;
61 };
62
9cba13c @jrn standardize brace placement in struct definitions
jrn authored
63 struct buffer {
028c297 @glandium Use strbuf in http code
glandium authored
64 struct strbuf buf;
65 size_t posn;
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
66 };
67
68 /* Curl request read/write callbacks */
f444e52 @gitster Work around gcc warnings from curl headers
gitster authored
69 extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, void *strbuf);
70 extern size_t fwrite_buffer(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf);
71 extern size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf);
3944ba0 @mstorsjo Allow curl to rewind the read buffers
mstorsjo authored
72 #ifndef NO_CURL_IOCTL
73 extern curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp);
74 #endif
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
75
76 /* Slot lifecycle functions */
77 extern struct active_request_slot *get_active_slot(void);
78 extern int start_active_slot(struct active_request_slot *slot);
79 extern void run_active_slot(struct active_request_slot *slot);
de1a2fd @spearce Smart push over HTTP: client side
spearce authored
80 extern void finish_active_slot(struct active_request_slot *slot);
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
81 extern void finish_all_active_slots(void);
82
83 #ifdef USE_CURL_MULTI
84 extern void fill_active_slots(void);
fc57b6a Make function to refill http queue a callback
Daniel Barkalow authored
85 extern void add_fill_function(void *data, int (*fill)(void *));
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
86 extern void step_active_slots(void);
87 #endif
88
9fc6440 @glandium Set proxy override with http_init()
glandium authored
89 extern void http_init(struct remote *remote);
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
90 extern void http_cleanup(void);
91
92 extern int data_received;
93 extern int active_requests;
e917674 @rctay http*: move common variables and macros to http.[ch]
rctay authored
94 extern int http_is_verbose;
de1a2fd @spearce Smart push over HTTP: client side
spearce authored
95 extern size_t http_post_buffer;
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
96
97 extern char curl_errorstr[CURL_ERROR_SIZE];
98
e8dc37e @glandium Avoid redundant declaration of missing_target()
glandium authored
99 static inline int missing__target(int code, int result)
100 {
101 return /* file:// URL -- do we ever use one??? */
102 (result == CURLE_FILE_COULDNT_READ_FILE) ||
103 /* http:// and https:// URL */
104 (code == 404 && result == CURLE_HTTP_RETURNED_ERROR) ||
105 /* ftp:// URL */
106 (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE)
107 ;
108 }
109
110 #define missing_target(a) missing__target((a)->http_code, (a)->curl_result)
111
5424bc5 @rctay http*: add helper methods for fetching objects (loose)
rctay authored
112 /* Helpers for modifying and creating URLs */
113 extern void append_remote_object_url(struct strbuf *buf, const char *url,
114 const char *hex,
115 int only_two_digit_prefix);
116 extern char *get_remote_object_url(const char *url, const char *hex,
117 int only_two_digit_prefix);
118
e929cd2 @glandium http.c: new functions for the http API
glandium authored
119 /* Options for http_request_*() */
120 #define HTTP_NO_CACHE 1
121
122 /* Return values for http_request_*() */
123 #define HTTP_OK 0
124 #define HTTP_MISSING_TARGET 1
125 #define HTTP_ERROR 2
126 #define HTTP_START_FAILED 3
42653c0 @schacon Prompt for a username when an HTTP request 401s
schacon authored
127 #define HTTP_REAUTH 4
128 #define HTTP_NOAUTH 5
e929cd2 @glandium http.c: new functions for the http API
glandium authored
129
130 /*
131 * Requests an url and stores the result in a strbuf.
132 *
133 * If the result pointer is NULL, a HTTP HEAD request is made instead of GET.
134 */
135 int http_get_strbuf(const char *url, struct strbuf *result, int options);
136
137 /*
138 * Prints an error message using error() containing url and curl_errorstr,
139 * and returns ret.
140 */
141 int http_error(const char *url, int ret);
142
c13b263 Make walker.fetch_ref() take a struct ref.
Daniel Barkalow authored
143 extern int http_fetch_ref(const char *base, struct ref *ref);
d7e9280 @glandium Move fetch_ref from http-push.c and http-walker.c to http.c
glandium authored
144
b8caac2 @rctay http*: add http_get_info_packs
rctay authored
145 /* Helpers for fetching packs */
146 extern int http_get_info_packs(const char *base_url,
147 struct packed_git **packs_head);
148
9cba13c @jrn standardize brace placement in struct definitions
jrn authored
149 struct http_pack_request {
2264dfa @rctay http*: add helper methods for fetching packs
rctay authored
150 char *url;
151 struct packed_git *target;
152 struct packed_git **lst;
153 FILE *packfile;
154 char tmpfile[PATH_MAX];
155 struct curl_slist *range_header;
156 struct active_request_slot *slot;
157 };
158
159 extern struct http_pack_request *new_http_pack_request(
160 struct packed_git *target, const char *base_url);
161 extern int finish_http_pack_request(struct http_pack_request *preq);
162 extern void release_http_pack_request(struct http_pack_request *preq);
163
5424bc5 @rctay http*: add helper methods for fetching objects (loose)
rctay authored
164 /* Helpers for fetching object */
9cba13c @jrn standardize brace placement in struct definitions
jrn authored
165 struct http_object_request {
5424bc5 @rctay http*: add helper methods for fetching objects (loose)
rctay authored
166 char *url;
167 char tmpfile[PATH_MAX];
168 int localfile;
169 CURLcode curl_result;
170 char errorstr[CURL_ERROR_SIZE];
171 long http_code;
172 unsigned char sha1[20];
173 unsigned char real_sha1[20];
174 git_SHA_CTX c;
175 z_stream stream;
176 int zret;
177 int rename;
178 struct active_request_slot *slot;
179 };
180
181 extern struct http_object_request *new_http_object_request(
182 const char *base_url, unsigned char *sha1);
183 extern void process_http_object_request(struct http_object_request *freq);
184 extern int finish_http_object_request(struct http_object_request *freq);
185 extern void abort_http_object_request(struct http_object_request *freq);
186 extern void release_http_object_request(struct http_object_request *freq);
187
29508e1 Isolate shared HTTP request functionality
Nick Hengeveld authored
188 #endif /* HTTP_H */
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