2 * merge.c : MERGE response parsing functions for ra_serf
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13 * http://www.apache.org/licenses/LICENSE-2.0
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21 * ====================================================================
31 #include "svn_pools.h"
35 #include "svn_config.h"
36 #include "svn_dirent_uri.h"
37 #include "svn_props.h"
39 #include "private/svn_dav_protocol.h"
40 #include "private/svn_fspath.h"
41 #include "svn_private_config.h"
44 #include "../libsvn_ra/ra_loader.h"
48 * This enum represents the current state of our XML parsing for a MERGE.
50 typedef enum merge_state_e {
72 /* Structure associated with a MERGE request. */
73 typedef struct merge_context_t
77 svn_ra_serf__session_t *session;
78 svn_ra_serf__handler_t *handler;
80 apr_hash_t *lock_tokens;
81 svn_boolean_t keep_locks;
83 const char *merge_resource_url; /* URL of resource to be merged. */
84 const char *merge_url; /* URL at which the MERGE request is aimed. */
86 svn_commit_info_t *commit_info;
92 #define S_ SVN_XML_NAMESPACE
93 static const svn_ra_serf__xml_transition_t merge_ttable[] = {
94 { INITIAL, D_, "merge-response", MERGE_RESPONSE,
95 FALSE, { NULL }, FALSE },
97 { MERGE_RESPONSE, D_, "updated-set", UPDATED_SET,
98 FALSE, { NULL }, FALSE },
100 { UPDATED_SET, D_, "response", RESPONSE,
101 FALSE, { NULL }, TRUE },
103 { RESPONSE, D_, "href", HREF,
104 TRUE, { NULL }, TRUE },
106 { RESPONSE, D_, "propstat", PROPSTAT,
107 FALSE, { NULL }, FALSE },
111 { PROPSTAT, D_, "status", STATUS,
112 FALSE, { NULL }, FALSE },
115 { PROPSTAT, D_, "prop", PROP,
116 FALSE, { NULL }, FALSE },
118 { PROP, D_, "resourcetype", RESOURCE_TYPE,
119 FALSE, { NULL }, FALSE },
121 { RESOURCE_TYPE, D_, "baseline", BASELINE,
122 FALSE, { NULL }, TRUE },
124 { RESOURCE_TYPE, D_, "collection", COLLECTION,
125 FALSE, { NULL }, TRUE },
127 { PROP, D_, "checked-in", SKIP_HREF,
128 FALSE, { NULL }, FALSE },
130 { SKIP_HREF, D_, "href", CHECKED_IN,
131 TRUE, { NULL }, TRUE },
133 { PROP, D_, SVN_DAV__VERSION_NAME, VERSION_NAME,
134 TRUE, { NULL }, TRUE },
136 { PROP, D_, SVN_DAV__CREATIONDATE, DATE,
137 TRUE, { NULL }, TRUE },
139 { PROP, D_, "creator-displayname", AUTHOR,
140 TRUE, { NULL }, TRUE },
142 { PROP, S_, "post-commit-err", POST_COMMIT_ERR,
143 TRUE, { NULL }, TRUE },
149 /* Conforms to svn_ra_serf__xml_closed_t */
151 merge_closed(svn_ra_serf__xml_estate_t *xes,
154 const svn_string_t *cdata,
156 apr_pool_t *scratch_pool)
158 merge_context_t *merge_ctx = baton;
160 if (leaving_state == RESPONSE)
164 rtype = svn_hash_gets(attrs, "resourcetype");
166 /* rtype can only be "baseline" or "collection" (or NULL). We can
167 keep this check simple. */
168 if (rtype && *rtype == 'b')
172 rev_str = svn_hash_gets(attrs, "revision");
174 merge_ctx->commit_info->revision = SVN_STR_TO_REV(rev_str);
176 merge_ctx->commit_info->revision = SVN_INVALID_REVNUM;
178 merge_ctx->commit_info->date =
179 apr_pstrdup(merge_ctx->pool,
180 svn_hash_gets(attrs, "date"));
182 merge_ctx->commit_info->author =
183 apr_pstrdup(merge_ctx->pool,
184 svn_hash_gets(attrs, "author"));
186 merge_ctx->commit_info->post_commit_err =
187 apr_pstrdup(merge_ctx->pool,
188 svn_hash_gets(attrs, "post-commit-err"));
194 href = svn_urlpath__skip_ancestor(
195 merge_ctx->merge_url,
196 svn_hash_gets(attrs, "href"));
199 return svn_error_createf(SVN_ERR_RA_DAV_REQUEST_FAILED, NULL,
200 _("A MERGE response for '%s' is not "
201 "a child of the destination ('%s')"),
202 href, merge_ctx->merge_url);
204 /* We now need to dive all the way into the WC to update the
206 if (!SVN_RA_SERF__HAVE_HTTPV2_SUPPORT(merge_ctx->session)
207 && merge_ctx->session->wc_callbacks->push_wc_prop)
209 const char *checked_in;
210 svn_string_t checked_in_str;
212 checked_in = svn_hash_gets(attrs, "checked-in");
213 checked_in_str.data = checked_in;
214 checked_in_str.len = strlen(checked_in);
216 SVN_ERR(merge_ctx->session->wc_callbacks->push_wc_prop(
217 merge_ctx->session->wc_callback_baton,
219 SVN_RA_SERF__WC_CHECKED_IN_URL,
225 else if (leaving_state == BASELINE)
227 svn_ra_serf__xml_note(xes, RESPONSE, "resourcetype", "baseline");
229 else if (leaving_state == COLLECTION)
231 svn_ra_serf__xml_note(xes, RESPONSE, "resourcetype", "collection");
236 const char *value = cdata->data;
238 if (leaving_state == HREF)
241 value = svn_urlpath__canonicalize(value, scratch_pool);
243 else if (leaving_state == CHECKED_IN)
246 value = svn_urlpath__canonicalize(value, scratch_pool);
248 else if (leaving_state == VERSION_NAME)
250 else if (leaving_state == DATE)
252 else if (leaving_state == AUTHOR)
254 else if (leaving_state == POST_COMMIT_ERR)
255 name = "post-commit-err";
257 SVN_ERR_MALFUNCTION();
259 svn_ra_serf__xml_note(xes, RESPONSE, name, value);
267 setup_merge_headers(serf_bucket_t *headers,
271 merge_context_t *ctx = baton;
273 if (!ctx->keep_locks)
275 serf_bucket_headers_set(headers, SVN_DAV_OPTIONS_HEADER,
276 SVN_DAV_OPTION_RELEASE_LOCKS);
283 svn_ra_serf__merge_lock_token_list(apr_hash_t *lock_tokens,
286 serf_bucket_alloc_t *alloc,
289 apr_hash_index_t *hi;
291 if (!lock_tokens || apr_hash_count(lock_tokens) == 0)
294 svn_ra_serf__add_open_tag_buckets(body, alloc,
296 "xmlns:S", SVN_XML_NAMESPACE,
299 for (hi = apr_hash_first(pool, lock_tokens);
301 hi = apr_hash_next(hi))
308 apr_hash_this(hi, &key, &klen, &val);
313 if (parent && !svn_relpath_skip_ancestor(parent, key))
316 svn_ra_serf__add_open_tag_buckets(body, alloc, "S:lock", NULL);
318 svn_ra_serf__add_open_tag_buckets(body, alloc, "lock-path", NULL);
319 svn_ra_serf__add_cdata_len_buckets(body, alloc, path.data, path.len);
320 svn_ra_serf__add_close_tag_buckets(body, alloc, "lock-path");
322 svn_ra_serf__add_tag_buckets(body, "lock-token", val, alloc);
324 svn_ra_serf__add_close_tag_buckets(body, alloc, "S:lock");
327 svn_ra_serf__add_close_tag_buckets(body, alloc, "S:lock-token-list");
331 create_merge_body(serf_bucket_t **bkt,
333 serf_bucket_alloc_t *alloc,
336 merge_context_t *ctx = baton;
337 serf_bucket_t *body_bkt;
339 body_bkt = serf_bucket_aggregate_create(alloc);
341 svn_ra_serf__add_xml_header_buckets(body_bkt, alloc);
342 svn_ra_serf__add_open_tag_buckets(body_bkt, alloc, "D:merge",
345 svn_ra_serf__add_open_tag_buckets(body_bkt, alloc, "D:source", NULL);
346 svn_ra_serf__add_open_tag_buckets(body_bkt, alloc, "D:href", NULL);
348 svn_ra_serf__add_cdata_len_buckets(body_bkt, alloc,
349 ctx->merge_resource_url,
350 strlen(ctx->merge_resource_url));
352 svn_ra_serf__add_close_tag_buckets(body_bkt, alloc, "D:href");
353 svn_ra_serf__add_close_tag_buckets(body_bkt, alloc, "D:source");
355 svn_ra_serf__add_tag_buckets(body_bkt, "D:no-auto-merge", NULL, alloc);
356 svn_ra_serf__add_tag_buckets(body_bkt, "D:no-checkout", NULL, alloc);
358 svn_ra_serf__add_open_tag_buckets(body_bkt, alloc, "D:prop", NULL);
359 svn_ra_serf__add_tag_buckets(body_bkt, "D:checked-in", NULL, alloc);
360 svn_ra_serf__add_tag_buckets(body_bkt, "D:" SVN_DAV__VERSION_NAME, NULL, alloc);
361 svn_ra_serf__add_tag_buckets(body_bkt, "D:resourcetype", NULL, alloc);
362 svn_ra_serf__add_tag_buckets(body_bkt, "D:" SVN_DAV__CREATIONDATE, NULL, alloc);
363 svn_ra_serf__add_tag_buckets(body_bkt, "D:creator-displayname", NULL, alloc);
364 svn_ra_serf__add_close_tag_buckets(body_bkt, alloc, "D:prop");
366 svn_ra_serf__merge_lock_token_list(ctx->lock_tokens, NULL, body_bkt, alloc,
369 svn_ra_serf__add_close_tag_buckets(body_bkt, alloc, "D:merge");
378 svn_ra_serf__run_merge(const svn_commit_info_t **commit_info,
380 svn_ra_serf__session_t *session,
381 svn_ra_serf__connection_t *conn,
382 const char *merge_resource_url,
383 apr_hash_t *lock_tokens,
384 svn_boolean_t keep_locks,
385 apr_pool_t *result_pool,
386 apr_pool_t *scratch_pool)
388 merge_context_t *merge_ctx;
389 svn_ra_serf__handler_t *handler;
390 svn_ra_serf__xml_context_t *xmlctx;
392 merge_ctx = apr_pcalloc(scratch_pool, sizeof(*merge_ctx));
394 merge_ctx->pool = result_pool;
395 merge_ctx->session = session;
397 merge_ctx->merge_resource_url = merge_resource_url;
399 merge_ctx->lock_tokens = lock_tokens;
400 merge_ctx->keep_locks = keep_locks;
402 merge_ctx->commit_info = svn_create_commit_info(result_pool);
404 merge_ctx->merge_url = session->session_url.path;
406 xmlctx = svn_ra_serf__xml_context_create(merge_ttable,
407 NULL, merge_closed, NULL,
410 handler = svn_ra_serf__create_expat_handler(xmlctx, scratch_pool);
412 handler->method = "MERGE";
413 handler->path = merge_ctx->merge_url;
414 handler->body_delegate = create_merge_body;
415 handler->body_delegate_baton = merge_ctx;
416 handler->conn = conn;
417 handler->session = session;
419 handler->header_delegate = setup_merge_headers;
420 handler->header_delegate_baton = merge_ctx;
422 merge_ctx->handler = handler;
424 SVN_ERR(svn_ra_serf__context_run_one(handler, scratch_pool));
426 *commit_info = merge_ctx->commit_info;
427 *response_code = handler->sline.code;