1/* 2 * get_deleted_rev.c : ra_serf get_deleted_rev API implementation. 3 * 4 * ==================================================================== 5 * Licensed to the Apache Software Foundation (ASF) under one 6 * or more contributor license agreements. See the NOTICE file 7 * distributed with this work for additional information 8 * regarding copyright ownership. The ASF licenses this file 9 * to you under the Apache License, Version 2.0 (the 10 * "License"); you may not use this file except in compliance 11 * with the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, 16 * software distributed under the License is distributed on an 17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18 * KIND, either express or implied. See the License for the 19 * specific language governing permissions and limitations 20 * under the License. 21 * ==================================================================== 22 */ 23 24 25#include "svn_ra.h" 26#include "svn_xml.h" 27#include "svn_path.h" 28#include "svn_private_config.h" 29 30#include "../libsvn_ra/ra_loader.h" 31 32#include "ra_serf.h" 33 34 35/* 36 * This enum represents the current state of our XML parsing for a REPORT. 37 */ 38enum drev_state_e { 39 INITIAL = XML_STATE_INITIAL, 40 REPORT, 41 VERSION_NAME 42}; 43 44typedef struct drev_context_t { 45 const char *path; 46 svn_revnum_t peg_revision; 47 svn_revnum_t end_revision; 48 49 /* What revision was PATH@PEG_REVISION first deleted within 50 the range PEG_REVISION-END-END_REVISION? */ 51 svn_revnum_t *revision_deleted; 52 53} drev_context_t; 54 55#define D_ "DAV:" 56#define S_ SVN_XML_NAMESPACE 57static const svn_ra_serf__xml_transition_t getdrev_ttable[] = { 58 { INITIAL, S_, "get-deleted-rev-report", REPORT, 59 FALSE, { NULL }, FALSE }, 60 61 { REPORT, D_, SVN_DAV__VERSION_NAME, VERSION_NAME, 62 TRUE, { NULL }, TRUE }, 63 64 { 0 } 65}; 66 67 68/* Conforms to svn_ra_serf__xml_closed_t */ 69static svn_error_t * 70getdrev_closed(svn_ra_serf__xml_estate_t *xes, 71 void *baton, 72 int leaving_state, 73 const svn_string_t *cdata, 74 apr_hash_t *attrs, 75 apr_pool_t *scratch_pool) 76{ 77 drev_context_t *drev_ctx = baton; 78 apr_int64_t rev; 79 80 SVN_ERR_ASSERT(leaving_state == VERSION_NAME); 81 SVN_ERR_ASSERT(cdata != NULL); 82 83 SVN_ERR(svn_cstring_atoi64(&rev, cdata->data)); 84 *drev_ctx->revision_deleted = (svn_revnum_t)rev; 85 86 return SVN_NO_ERROR; 87} 88 89 90/* Implements svn_ra_serf__request_body_delegate_t */ 91static svn_error_t * 92create_getdrev_body(serf_bucket_t **body_bkt, 93 void *baton, 94 serf_bucket_alloc_t *alloc, 95 apr_pool_t *pool /* request pool */, 96 apr_pool_t *scratch_pool) 97{ 98 serf_bucket_t *buckets; 99 drev_context_t *drev_ctx = baton; 100 101 buckets = serf_bucket_aggregate_create(alloc); 102 103 svn_ra_serf__add_open_tag_buckets(buckets, alloc, 104 "S:get-deleted-rev-report", 105 "xmlns:S", SVN_XML_NAMESPACE, 106 "xmlns:D", "DAV:", 107 SVN_VA_NULL); 108 109 svn_ra_serf__add_tag_buckets(buckets, 110 "S:path", drev_ctx->path, 111 alloc); 112 113 svn_ra_serf__add_tag_buckets(buckets, 114 "S:peg-revision", 115 apr_ltoa(pool, drev_ctx->peg_revision), 116 alloc); 117 118 svn_ra_serf__add_tag_buckets(buckets, 119 "S:end-revision", 120 apr_ltoa(pool, drev_ctx->end_revision), 121 alloc); 122 123 svn_ra_serf__add_close_tag_buckets(buckets, alloc, 124 "S:get-deleted-rev-report"); 125 126 *body_bkt = buckets; 127 return SVN_NO_ERROR; 128} 129 130svn_error_t * 131svn_ra_serf__get_deleted_rev(svn_ra_session_t *session, 132 const char *path, 133 svn_revnum_t peg_revision, 134 svn_revnum_t end_revision, 135 svn_revnum_t *revision_deleted, 136 apr_pool_t *pool) 137{ 138 drev_context_t *drev_ctx; 139 svn_ra_serf__session_t *ras = session->priv; 140 svn_ra_serf__handler_t *handler; 141 svn_ra_serf__xml_context_t *xmlctx; 142 const char *req_url; 143 svn_error_t *err; 144 145 drev_ctx = apr_pcalloc(pool, sizeof(*drev_ctx)); 146 drev_ctx->path = path; 147 drev_ctx->peg_revision = peg_revision; 148 drev_ctx->end_revision = end_revision; 149 drev_ctx->revision_deleted = revision_deleted; 150 151 SVN_ERR(svn_ra_serf__get_stable_url(&req_url, NULL /* latest_revnum */, 152 ras, NULL /* url */, peg_revision, 153 pool, pool)); 154 155 xmlctx = svn_ra_serf__xml_context_create(getdrev_ttable, 156 NULL, getdrev_closed, NULL, 157 drev_ctx, 158 pool); 159 handler = svn_ra_serf__create_expat_handler(ras, xmlctx, NULL, pool); 160 161 handler->method = "REPORT"; 162 handler->path = req_url; 163 handler->body_type = "text/xml"; 164 handler->body_delegate = create_getdrev_body; 165 handler->body_delegate_baton = drev_ctx; 166 167 err = svn_ra_serf__context_run_one(handler, pool); 168 169 /* Map status 501: Method Not Implemented to our not implemented error. 170 1.5.x servers and older don't support this report. */ 171 if (handler->sline.code == 501) 172 return svn_error_createf(SVN_ERR_RA_NOT_IMPLEMENTED, err, 173 _("'%s' REPORT not implemented"), 174 "get-deleted-rev"); 175 SVN_ERR(err); 176 177 return SVN_NO_ERROR; 178} 179