| /* |
| * getdate.c : entry point for get_dated_revision for ra_serf |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| */ |
| |
| |
| |
| #include <apr_uri.h> |
| #include <serf.h> |
| |
| #include "svn_pools.h" |
| #include "svn_ra.h" |
| #include "svn_time.h" |
| #include "svn_xml.h" |
| |
| #include "private/svn_dav_protocol.h" |
| |
| #include "svn_private_config.h" |
| |
| #include "../libsvn_ra/ra_loader.h" |
| |
| #include "ra_serf.h" |
| |
| |
| /* |
| * This enum represents the current state of our XML parsing for a REPORT. |
| */ |
| enum date_state_e { |
| INITIAL = XML_STATE_INITIAL, |
| REPORT, |
| VERSION_NAME |
| }; |
| |
| |
| typedef struct date_context_t { |
| /* The time asked about. */ |
| apr_time_t time; |
| |
| /* What was the youngest revision at that time? */ |
| svn_revnum_t *revision; |
| |
| } date_context_t; |
| |
| #define D_ "DAV:" |
| #define S_ SVN_XML_NAMESPACE |
| static const svn_ra_serf__xml_transition_t date_ttable[] = { |
| { INITIAL, S_, "dated-rev-report", REPORT, |
| FALSE, { NULL }, FALSE }, |
| |
| { REPORT, D_, SVN_DAV__VERSION_NAME, VERSION_NAME, |
| TRUE, { NULL }, TRUE }, |
| |
| { 0 } |
| }; |
| |
| |
| /* Conforms to svn_ra_serf__xml_closed_t */ |
| static svn_error_t * |
| date_closed(svn_ra_serf__xml_estate_t *xes, |
| void *baton, |
| int leaving_state, |
| const svn_string_t *cdata, |
| apr_hash_t *attrs, |
| apr_pool_t *scratch_pool) |
| { |
| date_context_t *date_ctx = baton; |
| apr_int64_t rev; |
| |
| SVN_ERR_ASSERT(leaving_state == VERSION_NAME); |
| SVN_ERR_ASSERT(cdata != NULL); |
| |
| SVN_ERR(svn_cstring_atoi64(&rev, cdata->data)); |
| |
| *date_ctx->revision = (svn_revnum_t)rev; |
| |
| return SVN_NO_ERROR; |
| } |
| |
| |
| /* Implements svn_ra_serf__request_body_delegate_t */ |
| static svn_error_t * |
| create_getdate_body(serf_bucket_t **body_bkt, |
| void *baton, |
| serf_bucket_alloc_t *alloc, |
| apr_pool_t *pool /* request pool */, |
| apr_pool_t *scratch_pool) |
| { |
| serf_bucket_t *buckets; |
| date_context_t *date_ctx = baton; |
| |
| buckets = serf_bucket_aggregate_create(alloc); |
| |
| svn_ra_serf__add_open_tag_buckets(buckets, alloc, "S:dated-rev-report", |
| "xmlns:S", SVN_XML_NAMESPACE, |
| "xmlns:D", "DAV:", |
| SVN_VA_NULL); |
| |
| svn_ra_serf__add_tag_buckets(buckets, |
| "D:" SVN_DAV__CREATIONDATE, |
| svn_time_to_cstring(date_ctx->time, pool), |
| alloc); |
| |
| svn_ra_serf__add_close_tag_buckets(buckets, alloc, "S:dated-rev-report"); |
| |
| *body_bkt = buckets; |
| return SVN_NO_ERROR; |
| } |
| |
| svn_error_t * |
| svn_ra_serf__get_dated_revision(svn_ra_session_t *ra_session, |
| svn_revnum_t *revision, |
| apr_time_t tm, |
| apr_pool_t *pool) |
| { |
| date_context_t *date_ctx; |
| svn_ra_serf__session_t *session = ra_session->priv; |
| svn_ra_serf__handler_t *handler; |
| svn_ra_serf__xml_context_t *xmlctx; |
| const char *report_target; |
| |
| date_ctx = apr_palloc(pool, sizeof(*date_ctx)); |
| date_ctx->time = tm; |
| date_ctx->revision = revision; |
| |
| SVN_ERR(svn_ra_serf__report_resource(&report_target, session, pool)); |
| |
| xmlctx = svn_ra_serf__xml_context_create(date_ttable, |
| NULL, date_closed, NULL, |
| date_ctx, |
| pool); |
| handler = svn_ra_serf__create_expat_handler(session, xmlctx, NULL, pool); |
| |
| handler->method = "REPORT"; |
| handler->path = report_target; |
| handler->body_type = "text/xml"; |
| |
| handler->body_delegate = create_getdate_body; |
| handler->body_delegate_baton = date_ctx; |
| |
| *date_ctx->revision = SVN_INVALID_REVNUM; |
| |
| SVN_ERR(svn_ra_serf__context_run_one(handler, pool)); |
| |
| if (handler->sline.code != 200) |
| return svn_error_trace(svn_ra_serf__unexpected_status(handler)); |
| |
| if (!SVN_IS_VALID_REVNUM(*revision)) |
| return svn_error_create(SVN_ERR_RA_DAV_PROPS_NOT_FOUND, NULL, |
| _("The REPORT response did not include " |
| "the requested properties")); |
| |
| return SVN_NO_ERROR; |
| } |