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Commit | Line | Data |
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b6fdc44c | 1 | #include "git-compat-util.h" |
cf78ae4f | 2 | #include "repository.h" |
6eb7ed54 | 3 | #include "commit.h" |
41771fa4 | 4 | #include "hex.h" |
30ae764b | 5 | #include "walker.h" |
29508e1e | 6 | #include "http.h" |
94e99012 | 7 | #include "list.h" |
abcbdc03 | 8 | #include "transport.h" |
d6fe0036 | 9 | #include "packfile.h" |
a80d72db | 10 | #include "object-store.h" |
7baa3e86 | 11 | |
9cba13ca | 12 | struct alt_base { |
2afea3bc | 13 | char *base; |
b3661567 DB |
14 | int got_indices; |
15 | struct packed_git *packs; | |
16 | struct alt_base *next; | |
17 | }; | |
18 | ||
e388ab74 | 19 | enum object_request_state { |
1d389ab6 NH |
20 | WAITING, |
21 | ABORTED, | |
22 | ACTIVE, | |
4b05548f | 23 | COMPLETE |
1d389ab6 | 24 | }; |
6eb7ed54 | 25 | |
9cba13ca | 26 | struct object_request { |
30ae764b | 27 | struct walker *walker; |
16f0705d | 28 | struct object_id oid; |
1d389ab6 | 29 | struct alt_base *repo; |
e388ab74 | 30 | enum object_request_state state; |
5424bc55 | 31 | struct http_object_request *req; |
94e99012 | 32 | struct list_head node; |
1d389ab6 NH |
33 | }; |
34 | ||
e388ab74 | 35 | struct alternates_request { |
30ae764b | 36 | struct walker *walker; |
8e29f6a0 | 37 | const char *base; |
54ba4c5f | 38 | struct strbuf *url; |
028c2976 | 39 | struct strbuf *buffer; |
acc075a8 NH |
40 | struct active_request_slot *slot; |
41 | int http_specific; | |
42 | }; | |
43 | ||
30ae764b DB |
44 | struct walker_data { |
45 | const char *url; | |
46 | int got_alternates; | |
47 | struct alt_base *alt; | |
30ae764b DB |
48 | }; |
49 | ||
94e99012 | 50 | static LIST_HEAD(object_queue_head); |
bc8f2652 | 51 | |
30ae764b | 52 | static void fetch_alternates(struct walker *walker, const char *base); |
1d389ab6 | 53 | |
29508e1e | 54 | static void process_object_response(void *callback_data); |
1d389ab6 | 55 | |
30ae764b DB |
56 | static void start_object_request(struct walker *walker, |
57 | struct object_request *obj_req) | |
1d389ab6 | 58 | { |
1d389ab6 | 59 | struct active_request_slot *slot; |
5424bc55 | 60 | struct http_object_request *req; |
1d389ab6 | 61 | |
f0be0db1 | 62 | req = new_http_object_request(obj_req->repo->base, &obj_req->oid); |
afe8a907 | 63 | if (!req) { |
e388ab74 | 64 | obj_req->state = ABORTED; |
1d389ab6 NH |
65 | return; |
66 | } | |
5424bc55 | 67 | obj_req->req = req; |
1d389ab6 | 68 | |
5424bc55 | 69 | slot = req->slot; |
29508e1e | 70 | slot->callback_func = process_object_response; |
e388ab74 | 71 | slot->callback_data = obj_req; |
1d389ab6 | 72 | |
a7a8d378 | 73 | /* Try to get the request started, abort the request on error */ |
e388ab74 | 74 | obj_req->state = ACTIVE; |
1d389ab6 | 75 | if (!start_active_slot(slot)) { |
e388ab74 | 76 | obj_req->state = ABORTED; |
5424bc55 | 77 | release_http_object_request(req); |
e388ab74 | 78 | return; |
1d389ab6 | 79 | } |
1d389ab6 NH |
80 | } |
81 | ||
e388ab74 | 82 | static void finish_object_request(struct object_request *obj_req) |
1d389ab6 | 83 | { |
5424bc55 | 84 | if (finish_http_object_request(obj_req->req)) |
1d389ab6 | 85 | return; |
1d389ab6 | 86 | |
5424bc55 | 87 | if (obj_req->req->rename == 0) |
16f0705d | 88 | walker_say(obj_req->walker, "got %s\n", oid_to_hex(&obj_req->oid)); |
1d389ab6 NH |
89 | } |
90 | ||
29508e1e NH |
91 | static void process_object_response(void *callback_data) |
92 | { | |
e388ab74 NH |
93 | struct object_request *obj_req = |
94 | (struct object_request *)callback_data; | |
30ae764b DB |
95 | struct walker *walker = obj_req->walker; |
96 | struct walker_data *data = walker->data; | |
97 | struct alt_base *alt = data->alt; | |
29508e1e | 98 | |
5424bc55 | 99 | process_http_object_request(obj_req->req); |
e388ab74 | 100 | obj_req->state = COMPLETE; |
29508e1e | 101 | |
ccbbd8bf JK |
102 | normalize_curl_result(&obj_req->req->curl_result, |
103 | obj_req->req->http_code, | |
104 | obj_req->req->errorstr, | |
105 | sizeof(obj_req->req->errorstr)); | |
106 | ||
29508e1e | 107 | /* Use alternates if necessary */ |
5424bc55 | 108 | if (missing_target(obj_req->req)) { |
30ae764b | 109 | fetch_alternates(walker, alt->base); |
afe8a907 | 110 | if (obj_req->repo->next) { |
e388ab74 NH |
111 | obj_req->repo = |
112 | obj_req->repo->next; | |
5424bc55 | 113 | release_http_object_request(obj_req->req); |
30ae764b | 114 | start_object_request(walker, obj_req); |
29508e1e NH |
115 | return; |
116 | } | |
117 | } | |
118 | ||
e388ab74 | 119 | finish_object_request(obj_req); |
29508e1e NH |
120 | } |
121 | ||
e388ab74 | 122 | static void release_object_request(struct object_request *obj_req) |
1d389ab6 | 123 | { |
5424bc55 TRC |
124 | if (obj_req->req !=NULL && obj_req->req->localfile != -1) |
125 | error("fd leakage in release: %d", obj_req->req->localfile); | |
1d389ab6 | 126 | |
94e99012 | 127 | list_del(&obj_req->node); |
e388ab74 | 128 | free(obj_req); |
1d389ab6 NH |
129 | } |
130 | ||
30ae764b | 131 | static int fill_active_slot(struct walker *walker) |
1d389ab6 | 132 | { |
45c17412 | 133 | struct object_request *obj_req; |
94e99012 | 134 | struct list_head *pos, *tmp, *head = &object_queue_head; |
1d389ab6 | 135 | |
94e99012 EW |
136 | list_for_each_safe(pos, tmp, head) { |
137 | obj_req = list_entry(pos, struct object_request, node); | |
e388ab74 | 138 | if (obj_req->state == WAITING) { |
bc726bd0 | 139 | if (repo_has_object_file(the_repository, &obj_req->oid)) |
09db444f | 140 | obj_req->state = COMPLETE; |
45c17412 | 141 | else { |
30ae764b | 142 | start_object_request(walker, obj_req); |
45c17412 DB |
143 | return 1; |
144 | } | |
f1a906a3 | 145 | } |
8fcf7f9a | 146 | } |
45c17412 | 147 | return 0; |
1d389ab6 NH |
148 | } |
149 | ||
30ae764b | 150 | static void prefetch(struct walker *walker, unsigned char *sha1) |
1d389ab6 | 151 | { |
e388ab74 | 152 | struct object_request *newreq; |
30ae764b | 153 | struct walker_data *data = walker->data; |
1d389ab6 NH |
154 | |
155 | newreq = xmalloc(sizeof(*newreq)); | |
30ae764b | 156 | newreq->walker = walker; |
92e2cab9 | 157 | oidread(&newreq->oid, sha1); |
30ae764b | 158 | newreq->repo = data->alt; |
1d389ab6 | 159 | newreq->state = WAITING; |
5424bc55 | 160 | newreq->req = NULL; |
1d389ab6 | 161 | |
e9176745 | 162 | http_is_verbose = walker->get_verbosely; |
94e99012 | 163 | list_add_tail(&newreq->node, &object_queue_head); |
29508e1e | 164 | |
29508e1e NH |
165 | fill_active_slots(); |
166 | step_active_slots(); | |
1d389ab6 NH |
167 | } |
168 | ||
abcbdc03 JK |
169 | static int is_alternate_allowed(const char *url) |
170 | { | |
171 | const char *protocols[] = { | |
172 | "http", "https", "ftp", "ftps" | |
173 | }; | |
174 | int i; | |
175 | ||
de461388 EW |
176 | if (http_follow_config != HTTP_FOLLOW_ALWAYS) { |
177 | warning("alternate disabled by http.followRedirects: %s", url); | |
178 | return 0; | |
179 | } | |
180 | ||
abcbdc03 JK |
181 | for (i = 0; i < ARRAY_SIZE(protocols); i++) { |
182 | const char *end; | |
183 | if (skip_prefix(url, protocols[i], &end) && | |
184 | starts_with(end, "://")) | |
185 | break; | |
186 | } | |
187 | ||
188 | if (i >= ARRAY_SIZE(protocols)) { | |
189 | warning("ignoring alternate with unknown protocol: %s", url); | |
190 | return 0; | |
191 | } | |
192 | if (!is_transport_allowed(protocols[i], 0)) { | |
193 | warning("ignoring alternate with restricted protocol: %s", url); | |
194 | return 0; | |
195 | } | |
196 | ||
197 | return 1; | |
198 | } | |
199 | ||
e388ab74 | 200 | static void process_alternates_response(void *callback_data) |
b3661567 | 201 | { |
e388ab74 NH |
202 | struct alternates_request *alt_req = |
203 | (struct alternates_request *)callback_data; | |
30ae764b DB |
204 | struct walker *walker = alt_req->walker; |
205 | struct walker_data *cdata = walker->data; | |
acc075a8 | 206 | struct active_request_slot *slot = alt_req->slot; |
30ae764b | 207 | struct alt_base *tail = cdata->alt; |
8e29f6a0 | 208 | const char *base = alt_req->base; |
a04ff3ec | 209 | const char null_byte = '\0'; |
acc075a8 NH |
210 | char *data; |
211 | int i = 0; | |
1d389ab6 | 212 | |
ccbbd8bf JK |
213 | normalize_curl_result(&slot->curl_result, slot->http_code, |
214 | curl_errorstr, sizeof(curl_errorstr)); | |
215 | ||
acc075a8 NH |
216 | if (alt_req->http_specific) { |
217 | if (slot->curl_result != CURLE_OK || | |
028c2976 | 218 | !alt_req->buffer->len) { |
acc075a8 NH |
219 | |
220 | /* Try reusing the slot to get non-http alternates */ | |
221 | alt_req->http_specific = 0; | |
54ba4c5f JK |
222 | strbuf_reset(alt_req->url); |
223 | strbuf_addf(alt_req->url, "%s/objects/info/alternates", | |
224 | base); | |
acc075a8 | 225 | curl_easy_setopt(slot->curl, CURLOPT_URL, |
54ba4c5f | 226 | alt_req->url->buf); |
acc075a8 NH |
227 | active_requests++; |
228 | slot->in_use = 1; | |
afe8a907 | 229 | if (slot->finished) |
c9826473 | 230 | (*slot->finished) = 0; |
a3f583cb | 231 | if (!start_active_slot(slot)) { |
30ae764b | 232 | cdata->got_alternates = -1; |
29508e1e | 233 | slot->in_use = 0; |
afe8a907 | 234 | if (slot->finished) |
c9826473 | 235 | (*slot->finished) = 1; |
1d389ab6 | 236 | } |
a3f583cb | 237 | return; |
b3661567 | 238 | } |
acc075a8 | 239 | } else if (slot->curl_result != CURLE_OK) { |
be4a015b | 240 | if (!missing_target(slot)) { |
30ae764b | 241 | cdata->got_alternates = -1; |
acc075a8 NH |
242 | return; |
243 | } | |
b3661567 DB |
244 | } |
245 | ||
a04ff3ec | 246 | fwrite_buffer((char *)&null_byte, 1, 1, alt_req->buffer); |
028c2976 MH |
247 | alt_req->buffer->len--; |
248 | data = alt_req->buffer->buf; | |
1b0c1e67 | 249 | |
028c2976 | 250 | while (i < alt_req->buffer->len) { |
b3661567 | 251 | int posn = i; |
028c2976 | 252 | while (posn < alt_req->buffer->len && data[posn] != '\n') |
b3661567 DB |
253 | posn++; |
254 | if (data[posn] == '\n') { | |
1b0c1e67 DB |
255 | int okay = 0; |
256 | int serverlen = 0; | |
257 | struct alt_base *newalt; | |
b3661567 | 258 | if (data[i] == '/') { |
4c42aa1a TRC |
259 | /* |
260 | * This counts | |
5df1e0d0 JH |
261 | * http://git.host/pub/scm/linux.git/ |
262 | * -----------here^ | |
263 | * so memcpy(dst, base, serverlen) will | |
264 | * copy up to "...git.host". | |
265 | */ | |
266 | const char *colon_ss = strstr(base,"://"); | |
267 | if (colon_ss) { | |
268 | serverlen = (strchr(colon_ss + 3, '/') | |
269 | - base); | |
270 | okay = 1; | |
271 | } | |
1b0c1e67 | 272 | } else if (!memcmp(data + i, "../", 3)) { |
4c42aa1a TRC |
273 | /* |
274 | * Relative URL; chop the corresponding | |
5df1e0d0 JH |
275 | * number of subpath from base (and ../ |
276 | * from data), and concatenate the result. | |
277 | * | |
278 | * The code first drops ../ from data, and | |
279 | * then drops one ../ from data and one path | |
280 | * from base. IOW, one extra ../ is dropped | |
281 | * from data than path is dropped from base. | |
282 | * | |
283 | * This is not wrong. The alternate in | |
284 | * http://git.host/pub/scm/linux.git/ | |
285 | * to borrow from | |
286 | * http://git.host/pub/scm/linus.git/ | |
287 | * is ../../linus.git/objects/. You need | |
288 | * two ../../ to borrow from your direct | |
289 | * neighbour. | |
290 | */ | |
1b0c1e67 DB |
291 | i += 3; |
292 | serverlen = strlen(base); | |
8fcf7f9a | 293 | while (i + 2 < posn && |
1b0c1e67 DB |
294 | !memcmp(data + i, "../", 3)) { |
295 | do { | |
296 | serverlen--; | |
297 | } while (serverlen && | |
298 | base[serverlen - 1] != '/'); | |
299 | i += 3; | |
300 | } | |
a9486b02 | 301 | /* If the server got removed, give up. */ |
8fcf7f9a | 302 | okay = strchr(base, ':') - base + 3 < |
4c42aa1a | 303 | serverlen; |
acc075a8 | 304 | } else if (alt_req->http_specific) { |
1b0c1e67 DB |
305 | char *colon = strchr(data + i, ':'); |
306 | char *slash = strchr(data + i, '/'); | |
307 | if (colon && slash && colon < data + posn && | |
308 | slash < data + posn && colon < slash) { | |
309 | okay = 1; | |
310 | } | |
311 | } | |
1b0c1e67 | 312 | if (okay) { |
59b8263a RS |
313 | struct strbuf target = STRBUF_INIT; |
314 | strbuf_add(&target, base, serverlen); | |
d61434ae JK |
315 | strbuf_add(&target, data + i, posn - i); |
316 | if (!strbuf_strip_suffix(&target, "objects")) { | |
317 | warning("ignoring alternate that does" | |
318 | " not end in 'objects': %s", | |
319 | target.buf); | |
320 | strbuf_release(&target); | |
321 | } else if (is_alternate_allowed(target.buf)) { | |
abcbdc03 JK |
322 | warning("adding alternate object store: %s", |
323 | target.buf); | |
324 | newalt = xmalloc(sizeof(*newalt)); | |
325 | newalt->next = NULL; | |
326 | newalt->base = strbuf_detach(&target, NULL); | |
327 | newalt->got_indices = 0; | |
328 | newalt->packs = NULL; | |
329 | ||
330 | while (tail->next != NULL) | |
331 | tail = tail->next; | |
332 | tail->next = newalt; | |
5cae73d5 EW |
333 | } else { |
334 | strbuf_release(&target); | |
abcbdc03 | 335 | } |
b3661567 DB |
336 | } |
337 | } | |
338 | i = posn + 1; | |
339 | } | |
bc8f2652 | 340 | |
30ae764b | 341 | cdata->got_alternates = 1; |
acc075a8 NH |
342 | } |
343 | ||
30ae764b | 344 | static void fetch_alternates(struct walker *walker, const char *base) |
acc075a8 | 345 | { |
028c2976 | 346 | struct strbuf buffer = STRBUF_INIT; |
54ba4c5f | 347 | struct strbuf url = STRBUF_INIT; |
acc075a8 | 348 | struct active_request_slot *slot; |
cb754fdf | 349 | struct alternates_request alt_req; |
30ae764b | 350 | struct walker_data *cdata = walker->data; |
acc075a8 | 351 | |
4c42aa1a TRC |
352 | /* |
353 | * If another request has already started fetching alternates, | |
354 | * wait for them to arrive and return to processing this request's | |
355 | * curl message | |
356 | */ | |
30ae764b | 357 | while (cdata->got_alternates == 0) { |
29508e1e | 358 | step_active_slots(); |
acc075a8 NH |
359 | } |
360 | ||
361 | /* Nothing to do if they've already been fetched */ | |
30ae764b | 362 | if (cdata->got_alternates == 1) |
acc075a8 NH |
363 | return; |
364 | ||
365 | /* Start the fetch */ | |
30ae764b | 366 | cdata->got_alternates = 0; |
acc075a8 | 367 | |
30ae764b | 368 | if (walker->get_verbosely) |
acc075a8 | 369 | fprintf(stderr, "Getting alternates list for %s\n", base); |
8fcf7f9a | 370 | |
54ba4c5f | 371 | strbuf_addf(&url, "%s/objects/info/http-alternates", base); |
acc075a8 | 372 | |
4c42aa1a TRC |
373 | /* |
374 | * Use a callback to process the result, since another request | |
375 | * may fail and need to have alternates loaded before continuing | |
376 | */ | |
acc075a8 | 377 | slot = get_active_slot(); |
e388ab74 | 378 | slot->callback_func = process_alternates_response; |
30ae764b | 379 | alt_req.walker = walker; |
acc075a8 NH |
380 | slot->callback_data = &alt_req; |
381 | ||
8dda4cbd | 382 | curl_easy_setopt(slot->curl, CURLOPT_WRITEDATA, &buffer); |
29508e1e | 383 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
54ba4c5f | 384 | curl_easy_setopt(slot->curl, CURLOPT_URL, url.buf); |
acc075a8 NH |
385 | |
386 | alt_req.base = base; | |
54ba4c5f | 387 | alt_req.url = &url; |
acc075a8 NH |
388 | alt_req.buffer = &buffer; |
389 | alt_req.http_specific = 1; | |
390 | alt_req.slot = slot; | |
391 | ||
392 | if (start_active_slot(slot)) | |
393 | run_active_slot(slot); | |
394 | else | |
30ae764b | 395 | cdata->got_alternates = -1; |
acc075a8 | 396 | |
028c2976 | 397 | strbuf_release(&buffer); |
54ba4c5f | 398 | strbuf_release(&url); |
b3661567 DB |
399 | } |
400 | ||
30ae764b | 401 | static int fetch_indices(struct walker *walker, struct alt_base *repo) |
182005b9 | 402 | { |
b8caac2b | 403 | int ret; |
1d389ab6 | 404 | |
b3661567 | 405 | if (repo->got_indices) |
182005b9 DB |
406 | return 0; |
407 | ||
30ae764b | 408 | if (walker->get_verbosely) |
6fd72e39 | 409 | fprintf(stderr, "Getting pack list for %s\n", repo->base); |
8fcf7f9a | 410 | |
b8caac2b TRC |
411 | switch (http_get_info_packs(repo->base, &repo->packs)) { |
412 | case HTTP_OK: | |
413 | case HTTP_MISSING_TARGET: | |
414 | repo->got_indices = 1; | |
415 | ret = 0; | |
416 | break; | |
417 | default: | |
5e3a7691 | 418 | repo->got_indices = 0; |
b8caac2b | 419 | ret = -1; |
b3661567 | 420 | } |
182005b9 | 421 | |
3a462bc9 | 422 | return ret; |
182005b9 DB |
423 | } |
424 | ||
07c19e72 | 425 | static int http_fetch_pack(struct walker *walker, struct alt_base *repo, unsigned char *sha1) |
182005b9 | 426 | { |
182005b9 | 427 | struct packed_git *target; |
49a0f240 | 428 | int ret; |
cb754fdf | 429 | struct slot_results results; |
2264dfa5 | 430 | struct http_pack_request *preq; |
182005b9 | 431 | |
30ae764b | 432 | if (fetch_indices(walker, repo)) |
182005b9 | 433 | return -1; |
b3661567 | 434 | target = find_sha1_pack(sha1, repo->packs); |
182005b9 | 435 | if (!target) |
b3661567 | 436 | return -1; |
eb053492 | 437 | close_pack_index(target); |
182005b9 | 438 | |
30ae764b | 439 | if (walker->get_verbosely) { |
182005b9 | 440 | fprintf(stderr, "Getting pack %s\n", |
2bf1db78 | 441 | hash_to_hex(target->hash)); |
182005b9 | 442 | fprintf(stderr, " which contains %s\n", |
2bf1db78 | 443 | hash_to_hex(sha1)); |
182005b9 DB |
444 | } |
445 | ||
eb053492 | 446 | preq = new_http_pack_request(target->hash, repo->base); |
afe8a907 | 447 | if (!preq) |
2264dfa5 | 448 | goto abort; |
2264dfa5 | 449 | preq->slot->results = &results; |
182005b9 | 450 | |
2264dfa5 TRC |
451 | if (start_active_slot(preq->slot)) { |
452 | run_active_slot(preq->slot); | |
c8568e13 | 453 | if (results.curl_result != CURLE_OK) { |
2264dfa5 TRC |
454 | error("Unable to get pack file %s\n%s", preq->url, |
455 | curl_errorstr); | |
456 | goto abort; | |
1d389ab6 NH |
457 | } |
458 | } else { | |
2264dfa5 TRC |
459 | error("Unable to start request"); |
460 | goto abort; | |
182005b9 DB |
461 | } |
462 | ||
2264dfa5 TRC |
463 | ret = finish_http_pack_request(preq); |
464 | release_http_pack_request(preq); | |
49a0f240 | 465 | if (ret) |
b721e01f | 466 | return ret; |
eb053492 | 467 | http_install_packfile(target, &repo->packs); |
49a0f240 | 468 | |
182005b9 | 469 | return 0; |
2264dfa5 TRC |
470 | |
471 | abort: | |
472 | return -1; | |
182005b9 DB |
473 | } |
474 | ||
53f31389 MW |
475 | static void abort_object_request(struct object_request *obj_req) |
476 | { | |
53f31389 MW |
477 | release_object_request(obj_req); |
478 | } | |
479 | ||
2bf1db78 | 480 | static int fetch_object(struct walker *walker, unsigned char *hash) |
6eb7ed54 | 481 | { |
2bf1db78 | 482 | char *hex = hash_to_hex(hash); |
29508e1e | 483 | int ret = 0; |
94e99012 | 484 | struct object_request *obj_req = NULL; |
5424bc55 | 485 | struct http_object_request *req; |
94e99012 | 486 | struct list_head *pos, *head = &object_queue_head; |
1d389ab6 | 487 | |
94e99012 EW |
488 | list_for_each(pos, head) { |
489 | obj_req = list_entry(pos, struct object_request, node); | |
2bf1db78 | 490 | if (hasheq(obj_req->oid.hash, hash)) |
94e99012 EW |
491 | break; |
492 | } | |
afe8a907 | 493 | if (!obj_req) |
1d389ab6 NH |
494 | return error("Couldn't find request for %s in the queue", hex); |
495 | ||
bc726bd0 | 496 | if (repo_has_object_file(the_repository, &obj_req->oid)) { |
afe8a907 | 497 | if (obj_req->req) |
5424bc55 | 498 | abort_http_object_request(obj_req->req); |
53f31389 | 499 | abort_object_request(obj_req); |
11f0dafe NH |
500 | return 0; |
501 | } | |
502 | ||
4c42aa1a | 503 | while (obj_req->state == WAITING) |
29508e1e | 504 | step_active_slots(); |
6eb7ed54 | 505 | |
5424bc55 TRC |
506 | /* |
507 | * obj_req->req might change when fetching alternates in the callback | |
508 | * process_object_response; therefore, the "shortcut" variable, req, | |
509 | * is used only after we're done with slots. | |
510 | */ | |
4c42aa1a | 511 | while (obj_req->state == ACTIVE) |
5424bc55 TRC |
512 | run_active_slot(obj_req->req->slot); |
513 | ||
514 | req = obj_req->req; | |
4c42aa1a | 515 | |
5424bc55 TRC |
516 | if (req->localfile != -1) { |
517 | close(req->localfile); | |
518 | req->localfile = -1; | |
313c4714 | 519 | } |
6eb7ed54 | 520 | |
3d10f72e JK |
521 | normalize_curl_result(&req->curl_result, req->http_code, |
522 | req->errorstr, sizeof(req->errorstr)); | |
17966c0a | 523 | |
e388ab74 | 524 | if (obj_req->state == ABORTED) { |
29508e1e | 525 | ret = error("Request for %s aborted", hex); |
5424bc55 TRC |
526 | } else if (req->curl_result != CURLE_OK && |
527 | req->http_code != 416) { | |
528 | if (missing_target(req)) | |
e2029eb9 PB |
529 | ret = -1; /* Be silent, it is probably in a pack. */ |
530 | else | |
531 | ret = error("%s (curl_result = %d, http_code = %ld, sha1 = %s)", | |
5424bc55 TRC |
532 | req->errorstr, req->curl_result, |
533 | req->http_code, hex); | |
534 | } else if (req->zret != Z_STREAM_END) { | |
30ae764b | 535 | walker->corrupt_object_found++; |
5424bc55 | 536 | ret = error("File %s (%s) corrupt", hex, req->url); |
f0be0db1 | 537 | } else if (!oideq(&obj_req->oid, &req->real_oid)) { |
bd2afde8 | 538 | ret = error("File %s has bad hash", hex); |
5424bc55 | 539 | } else if (req->rename < 0) { |
ea657730 | 540 | struct strbuf buf = STRBUF_INIT; |
514c5fdd | 541 | loose_object_path(the_repository, &buf, &req->oid); |
ea657730 CC |
542 | ret = error("unable to write sha1 filename %s", buf.buf); |
543 | strbuf_release(&buf); | |
6eb7ed54 | 544 | } |
49a0f240 | 545 | |
5424bc55 | 546 | release_http_object_request(req); |
e388ab74 | 547 | release_object_request(obj_req); |
29508e1e | 548 | return ret; |
6eb7ed54 DB |
549 | } |
550 | ||
2bf1db78 | 551 | static int fetch(struct walker *walker, unsigned char *hash) |
b3661567 | 552 | { |
30ae764b DB |
553 | struct walker_data *data = walker->data; |
554 | struct alt_base *altbase = data->alt; | |
1d389ab6 | 555 | |
2bf1db78 | 556 | if (!fetch_object(walker, hash)) |
1d389ab6 | 557 | return 0; |
b3661567 | 558 | while (altbase) { |
2bf1db78 | 559 | if (!http_fetch_pack(walker, altbase, hash)) |
b3661567 | 560 | return 0; |
30ae764b | 561 | fetch_alternates(walker, data->alt->base); |
b3661567 DB |
562 | altbase = altbase->next; |
563 | } | |
2bf1db78 | 564 | return error("Unable to find %s under %s", hash_to_hex(hash), |
30ae764b | 565 | data->alt->base); |
b3661567 DB |
566 | } |
567 | ||
c13b2633 | 568 | static int fetch_ref(struct walker *walker, struct ref *ref) |
cd541a68 | 569 | { |
30ae764b | 570 | struct walker_data *data = walker->data; |
c13b2633 | 571 | return http_fetch_ref(data->alt->base, ref); |
cd541a68 DB |
572 | } |
573 | ||
30ae764b DB |
574 | static void cleanup(struct walker *walker) |
575 | { | |
09ae9aca TRC |
576 | struct walker_data *data = walker->data; |
577 | struct alt_base *alt, *alt_next; | |
578 | ||
579 | if (data) { | |
580 | alt = data->alt; | |
581 | while (alt) { | |
582 | alt_next = alt->next; | |
583 | ||
584 | free(alt->base); | |
585 | free(alt); | |
586 | ||
587 | alt = alt_next; | |
588 | } | |
589 | free(data); | |
590 | walker->data = NULL; | |
591 | } | |
30ae764b DB |
592 | } |
593 | ||
888692b7 | 594 | struct walker *get_http_walker(const char *url) |
6eb7ed54 | 595 | { |
9c880b3e | 596 | char *s; |
30ae764b DB |
597 | struct walker_data *data = xmalloc(sizeof(struct walker_data)); |
598 | struct walker *walker = xmalloc(sizeof(struct walker)); | |
6eb7ed54 | 599 | |
30ae764b | 600 | data->alt = xmalloc(sizeof(*data->alt)); |
95244ae3 | 601 | data->alt->base = xstrdup(url); |
30ae764b | 602 | for (s = data->alt->base + strlen(data->alt->base) - 1; *s == '/'; --s) |
9c880b3e | 603 | *s = 0; |
6eb7ed54 | 604 | |
30ae764b DB |
605 | data->alt->got_indices = 0; |
606 | data->alt->packs = NULL; | |
607 | data->alt->next = NULL; | |
608 | data->got_alternates = -1; | |
fc57b6aa | 609 | |
30ae764b DB |
610 | walker->corrupt_object_found = 0; |
611 | walker->fetch = fetch; | |
612 | walker->fetch_ref = fetch_ref; | |
613 | walker->prefetch = prefetch; | |
614 | walker->cleanup = cleanup; | |
615 | walker->data = data; | |
6eb7ed54 | 616 | |
30ae764b | 617 | add_fill_function(walker, (int (*)(void *)) fill_active_slot); |
8e29f6a0 | 618 | |
30ae764b | 619 | return walker; |
6eb7ed54 | 620 | } |