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Commit | Line | Data |
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29508e1e NH |
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 | ||
028c2976 | 9 | #include "strbuf.h" |
9fc6440d | 10 | #include "remote.h" |
1966d9f3 | 11 | #include "url.h" |
028c2976 | 12 | |
4f5f998f JH |
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 | ||
9cf04301 | 21 | #if LIBCURL_VERSION_NUM >= 0x071000 |
29508e1e NH |
22 | #define USE_CURL_MULTI |
23 | #define DEFAULT_MAX_REQUESTS 5 | |
24 | #endif | |
25 | ||
26 | #if LIBCURL_VERSION_NUM < 0x070704 | |
98746061 | 27 | #define curl_global_cleanup() do { /* nothing */ } while (0) |
29508e1e NH |
28 | #endif |
29 | #if LIBCURL_VERSION_NUM < 0x070800 | |
98746061 | 30 | #define curl_global_init(a) do { /* nothing */ } while (0) |
29508e1e NH |
31 | #endif |
32 | ||
500ebb01 | 33 | #if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000) |
29508e1e NH |
34 | #define NO_CURL_EASY_DUPHANDLE |
35 | #endif | |
36 | ||
c774b2dc AH |
37 | #if LIBCURL_VERSION_NUM < 0x070a03 |
38 | #define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND | |
39 | #endif | |
40 | ||
3944ba0c MS |
41 | #if LIBCURL_VERSION_NUM < 0x070c03 |
42 | #define NO_CURL_IOCTL | |
43 | #endif | |
44 | ||
4bc444eb MV |
45 | /* |
46 | * CURLOPT_USE_SSL was known as CURLOPT_FTP_SSL up to 7.16.4, | |
47 | * and the constants were known as CURLFTPSSL_* | |
48 | */ | |
49 | #if !defined(CURLOPT_USE_SSL) && defined(CURLOPT_FTP_SSL) | |
50 | #define CURLOPT_USE_SSL CURLOPT_FTP_SSL | |
51 | #define CURLUSESSL_TRY CURLFTPSSL_TRY | |
52 | #endif | |
53 | ||
9cba13ca | 54 | struct slot_results { |
c8568e13 NH |
55 | CURLcode curl_result; |
56 | long http_code; | |
57 | }; | |
58 | ||
9cba13ca | 59 | struct active_request_slot { |
29508e1e | 60 | CURL *curl; |
29508e1e NH |
61 | int in_use; |
62 | CURLcode curl_result; | |
63 | long http_code; | |
baa7b67d | 64 | int *finished; |
c8568e13 | 65 | struct slot_results *results; |
29508e1e NH |
66 | void *callback_data; |
67 | void (*callback_func)(void *data); | |
68 | struct active_request_slot *next; | |
69 | }; | |
70 | ||
9cba13ca | 71 | struct buffer { |
028c2976 MH |
72 | struct strbuf buf; |
73 | size_t posn; | |
29508e1e NH |
74 | }; |
75 | ||
76 | /* Curl request read/write callbacks */ | |
a04ff3ec DM |
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); | |
3944ba0c MS |
80 | #ifndef NO_CURL_IOCTL |
81 | extern curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp); | |
82 | #endif | |
29508e1e NH |
83 | |
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); | |
de1a2fdd | 88 | extern void finish_active_slot(struct active_request_slot *slot); |
29508e1e | 89 | extern void finish_all_active_slots(void); |
1960897e | 90 | extern int handle_curl_result(struct slot_results *results); |
29508e1e NH |
91 | |
92 | #ifdef USE_CURL_MULTI | |
93 | extern void fill_active_slots(void); | |
fc57b6aa | 94 | extern void add_fill_function(void *data, int (*fill)(void *)); |
29508e1e NH |
95 | extern void step_active_slots(void); |
96 | #endif | |
97 | ||
a4ddbc33 JK |
98 | extern void http_init(struct remote *remote, const char *url, |
99 | int proactive_auth); | |
29508e1e NH |
100 | extern void http_cleanup(void); |
101 | ||
29508e1e | 102 | extern int active_requests; |
e9176745 | 103 | extern int http_is_verbose; |
de1a2fdd | 104 | extern size_t http_post_buffer; |
29508e1e | 105 | |
29508e1e NH |
106 | extern char curl_errorstr[CURL_ERROR_SIZE]; |
107 | ||
e8dc37e0 MH |
108 | static inline int missing__target(int code, int result) |
109 | { | |
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) || | |
114 | /* ftp:// URL */ | |
115 | (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE) | |
116 | ; | |
117 | } | |
118 | ||
119 | #define missing_target(a) missing__target((a)->http_code, (a)->curl_result) | |
120 | ||
5424bc55 TRC |
121 | /* Helpers for modifying and creating URLs */ |
122 | extern void append_remote_object_url(struct strbuf *buf, const char *url, | |
123 | const char *hex, | |
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); | |
127 | ||
e929cd20 MH |
128 | /* Options for http_request_*() */ |
129 | #define HTTP_NO_CACHE 1 | |
6d052d78 | 130 | #define HTTP_KEEP_ERROR 2 |
e929cd20 MH |
131 | |
132 | /* Return values for http_request_*() */ | |
133 | #define HTTP_OK 0 | |
134 | #define HTTP_MISSING_TARGET 1 | |
135 | #define HTTP_ERROR 2 | |
136 | #define HTTP_START_FAILED 3 | |
42653c09 SC |
137 | #define HTTP_REAUTH 4 |
138 | #define HTTP_NOAUTH 5 | |
e929cd20 MH |
139 | |
140 | /* | |
a7793a74 | 141 | * Requests a URL and stores the result in a strbuf. |
e929cd20 MH |
142 | * |
143 | * If the result pointer is NULL, a HTTP HEAD request is made instead of GET. | |
144 | */ | |
4656bf47 | 145 | int http_get_strbuf(const char *url, struct strbuf *content_type, struct strbuf *result, int options); |
e929cd20 | 146 | |
c13b2633 | 147 | extern int http_fetch_ref(const char *base, struct ref *ref); |
d7e92806 | 148 | |
b8caac2b TRC |
149 | /* Helpers for fetching packs */ |
150 | extern int http_get_info_packs(const char *base_url, | |
151 | struct packed_git **packs_head); | |
152 | ||
9cba13ca | 153 | struct http_pack_request { |
2264dfa5 TRC |
154 | char *url; |
155 | struct packed_git *target; | |
156 | struct packed_git **lst; | |
157 | FILE *packfile; | |
2264dfa5 TRC |
158 | char tmpfile[PATH_MAX]; |
159 | struct curl_slist *range_header; | |
160 | struct active_request_slot *slot; | |
161 | }; | |
162 | ||
163 | extern struct http_pack_request *new_http_pack_request( | |
164 | struct packed_git *target, const char *base_url); | |
165 | extern int finish_http_pack_request(struct http_pack_request *preq); | |
166 | extern void release_http_pack_request(struct http_pack_request *preq); | |
167 | ||
5424bc55 | 168 | /* Helpers for fetching object */ |
9cba13ca | 169 | struct http_object_request { |
5424bc55 | 170 | char *url; |
5424bc55 TRC |
171 | char tmpfile[PATH_MAX]; |
172 | int localfile; | |
173 | CURLcode curl_result; | |
174 | char errorstr[CURL_ERROR_SIZE]; | |
175 | long http_code; | |
176 | unsigned char sha1[20]; | |
177 | unsigned char real_sha1[20]; | |
178 | git_SHA_CTX c; | |
ef49a7a0 | 179 | git_zstream stream; |
5424bc55 TRC |
180 | int zret; |
181 | int rename; | |
182 | struct active_request_slot *slot; | |
183 | }; | |
184 | ||
185 | extern struct http_object_request *new_http_object_request( | |
186 | const char *base_url, unsigned char *sha1); | |
187 | extern void process_http_object_request(struct http_object_request *freq); | |
188 | extern int finish_http_object_request(struct http_object_request *freq); | |
189 | extern void abort_http_object_request(struct http_object_request *freq); | |
190 | extern void release_http_object_request(struct http_object_request *freq); | |
191 | ||
29508e1e | 192 | #endif /* HTTP_H */ |