1 /* $Id: filter_backend_test.cpp,v 1.23 2007-03-08 09:38:31 adam Exp $
2 Copyright (c) 2005-2007, Index Data.
4 See the LICENSE file for details
10 #include "package.hpp"
12 #include "filter_backend_test.hpp"
19 #include <boost/thread/mutex.hpp>
23 #include <yaz/otherinfo.h>
24 #include <yaz/diagbib1.h>
26 namespace mp = metaproxy_1;
27 namespace yf = mp::filter;
30 namespace metaproxy_1 {
35 class BackendTest::Rep {
36 friend class BackendTest;
39 ODR odr, Odr_oid *preferredRecordSyntax,
40 Z_ElementSetNames *esn,
41 int start, int number, int &error_code, std::string &addinfo,
42 int *number_returned, int *next_position);
44 bool m_support_named_result_sets;
46 session_map<Session_info> m_sessions;
52 static const int result_set_size = 42;
54 // an ISO2709 USMARC/MARC21 record that we return..
55 static const char *marc_record =
56 "\x30\x30\x33\x36\x36\x6E\x61\x6D\x20\x20\x32\x32\x30\x30\x31\x36"
57 "\x39\x38\x61\x20\x34\x35\x30\x30\x30\x30\x31\x30\x30\x31\x33\x30"
58 "\x30\x30\x30\x30\x30\x30\x33\x30\x30\x30\x34\x30\x30\x30\x31\x33"
59 "\x30\x30\x35\x30\x30\x31\x37\x30\x30\x30\x31\x37\x30\x30\x38\x30"
60 "\x30\x34\x31\x30\x30\x30\x33\x34\x30\x31\x30\x30\x30\x31\x37\x30"
61 "\x30\x31\x37\x39\x30\x34\x30\x30\x30\x31\x33\x30\x30\x30\x37\x35"
62 "\x30\x35\x30\x30\x30\x31\x32\x30\x30\x30\x38\x38\x31\x30\x30\x30"
63 "\x30\x31\x37\x30\x30\x31\x30\x30\x32\x34\x35\x30\x30\x33\x30\x30"
64 "\x30\x31\x31\x37\x32\x36\x30\x30\x30\x31\x32\x30\x30\x31\x34\x37"
65 "\x32\x36\x33\x30\x30\x30\x39\x30\x30\x31\x35\x39\x33\x30\x30\x30"
66 "\x30\x31\x31\x30\x30\x31\x36\x38\x1E\x20\x20\x20\x31\x31\x32\x32"
67 "\x34\x34\x36\x36\x20\x1E\x44\x4C\x43\x1E\x30\x30\x30\x30\x30\x30"
68 "\x30\x30\x30\x30\x30\x30\x30\x30\x2E\x30\x1E\x39\x31\x30\x37\x31"
69 "\x30\x63\x31\x39\x39\x31\x30\x37\x30\x31\x6E\x6A\x75\x20\x20\x20"
70 "\x20\x20\x20\x20\x20\x20\x20\x20\x30\x30\x30\x31\x30\x20\x65\x6E"
71 "\x67\x20\x20\x1E\x20\x20\x1F\x61\x44\x4C\x43\x1F\x63\x44\x4C\x43"
72 "\x1E\x30\x30\x1F\x61\x31\x32\x33\x2D\x78\x79\x7A\x1E\x31\x30\x1F"
73 "\x61\x4A\x61\x63\x6B\x20\x43\x6F\x6C\x6C\x69\x6E\x73\x1E\x31\x30"
74 "\x1F\x61\x48\x6F\x77\x20\x74\x6F\x20\x70\x72\x6F\x67\x72\x61\x6D"
75 "\x20\x61\x20\x63\x6F\x6D\x70\x75\x74\x65\x72\x1E\x31\x20\x1F\x61"
76 "\x50\x65\x6E\x67\x75\x69\x6E\x1E\x20\x20\x1F\x61\x38\x37\x31\x30"
77 "\x1E\x20\x20\x1F\x61\x70\x2E\x20\x63\x6D\x2E\x1E\x20\x20\x1F\x61"
78 "\x20\x20\x20\x31\x31\x32\x32\x34\x34\x36\x36\x20\x1E\x1D";
81 yf::BackendTest::BackendTest() : m_p(new BackendTest::Rep) {
82 m_p->m_support_named_result_sets = false;
85 yf::BackendTest::~BackendTest() {
88 Z_Records *yf::BackendTest::Rep::fetch(
89 ODR odr, Odr_oid *preferredRecordSyntax,
90 Z_ElementSetNames *esn,
91 int start, int number, int &error_code, std::string &addinfo,
92 int *number_returned, int *next_position)
96 const char *element_set_name = "F"; // default to use
98 if (number + start - 1 > result_set_size || start < 1)
100 error_code = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
104 if (!(prefformat = oid_getentbyoid(preferredRecordSyntax)))
107 form = prefformat->value;
117 error_code = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
121 // no element set, "B" and "F" are supported
124 if (esn->which != Z_ElementSetNames_generic)
127 = YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
130 element_set_name = esn->u.generic;
132 if (!strcmp(element_set_name, "B") && form == VAL_USMARC)
134 else if (!strcmp(element_set_name, "F") && form == VAL_USMARC)
136 else if (!strncmp(element_set_name, "FF", 2) && form == VAL_TEXT_XML)
137 ; // Huge XML test record
141 = YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
142 addinfo = std::string(element_set_name);
145 Z_Records *rec = (Z_Records *) odr_malloc(odr, sizeof(Z_Records));
146 rec->which = Z_Records_DBOSD;
147 rec->u.databaseOrSurDiagnostics = (Z_NamePlusRecordList *)
148 odr_malloc(odr, sizeof(Z_NamePlusRecordList));
149 rec->u.databaseOrSurDiagnostics->num_records = number;
150 rec->u.databaseOrSurDiagnostics->records = (Z_NamePlusRecord **)
151 odr_malloc(odr, sizeof(Z_NamePlusRecord *) * number);
153 for (i = 0; i<number; i++)
155 rec->u.databaseOrSurDiagnostics->records[i] = (Z_NamePlusRecord *)
156 odr_malloc(odr, sizeof(Z_NamePlusRecord));
157 Z_NamePlusRecord *npr = rec->u.databaseOrSurDiagnostics->records[i];
158 npr->databaseName = 0;
159 npr->which = Z_NamePlusRecord_databaseRecord;
161 if (!strncmp(element_set_name, "FF", 2))
162 { // Huge XML test record
164 if (element_set_name[2])
165 sz = atoi(element_set_name+2) * 1024;
168 char *tmp_rec = (char*) xmalloc(sz);
170 memset(tmp_rec, 'a', sz);
171 memcpy(tmp_rec, "<a>", 3);
172 memcpy(tmp_rec + sz - 4, "</a>", 4);
174 npr->u.databaseRecord = z_ext_record(odr, VAL_TEXT_XML, tmp_rec, sz);
179 char *tmp_rec = odr_strdup(odr, marc_record);
181 sprintf(offset_str, "test__%09d_", i+start);
182 memcpy(tmp_rec+186, offset_str, strlen(offset_str));
183 npr->u.databaseRecord = z_ext_record(odr, VAL_USMARC,
184 tmp_rec, strlen(tmp_rec));
188 *number_returned = number;
189 if (start + number > result_set_size)
192 *next_position = start + number;
196 void yf::BackendTest::process(Package &package) const
198 Z_GDU *gdu = package.request().get();
200 if (!gdu || gdu->which != Z_GDU_Z3950)
204 Z_APDU *apdu_req = gdu->u.z3950;
205 Z_APDU *apdu_res = 0;
208 if (apdu_req->which != Z_APDU_initRequest &&
209 !m_p->m_sessions.exist(package.session()))
211 apdu_res = odr.create_close(apdu_req,
212 Z_Close_protocolError,
213 "no init for filter_backend_test");
214 package.session().close();
216 else if (apdu_req->which == Z_APDU_initRequest)
218 apdu_res = odr.create_initResponse(apdu_req, 0, 0);
219 Z_InitRequest *req = apdu_req->u.initRequest;
220 Z_InitResponse *resp = apdu_res->u.initResponse;
222 resp->implementationName = "backend_test";
223 if (ODR_MASK_GET(req->options, Z_Options_namedResultSets))
224 m_p->m_support_named_result_sets = true;
227 static const int masks[] = {
228 Z_Options_search, Z_Options_present,
229 Z_Options_namedResultSets, -1
231 for (i = 0; masks[i] != -1; i++)
232 if (ODR_MASK_GET(req->options, masks[i]))
233 ODR_MASK_SET(resp->options, masks[i]);
234 static const int versions[] = {
240 for (i = 0; versions[i] != -1; i++)
241 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
242 ODR_MASK_SET(resp->protocolVersion, versions[i]);
247 m_p->m_sessions.create(info, package.session());
249 else if (apdu_req->which == Z_APDU_searchRequest)
251 Z_SearchRequest *req = apdu_req->u.searchRequest;
253 if (!m_p->m_support_named_result_sets &&
254 strcmp(req->resultSetName, "default"))
257 odr.create_searchResponse(
258 apdu_req, YAZ_BIB1_RESULT_SET_NAMING_UNSUPP, 0);
262 Z_Records *records = 0;
263 int number_returned = 0;
264 int next_position = 0;
269 mp::util::piggyback(*req->smallSetUpperBound,
270 *req->largeSetLowerBound,
271 *req->mediumSetPresentNumber,
276 { // not a large set for sure
277 Z_ElementSetNames *esn;
278 if (number > *req->smallSetUpperBound)
279 esn = req->mediumSetElementSetNames;
281 esn = req->smallSetElementSetNames;
282 records = m_p->fetch(
283 odr, req->preferredRecordSyntax, esn,
292 odr.create_searchResponse(
293 apdu_req, error_code, addinfo.c_str());
294 Z_SearchResponse *resp = apdu_res->u.searchResponse;
295 *resp->resultCount = result_set_size;
300 odr.create_searchResponse(apdu_req, 0, 0);
301 Z_SearchResponse *resp = apdu_res->u.searchResponse;
302 *resp->resultCount = result_set_size;
303 *resp->numberOfRecordsReturned = number_returned;
304 *resp->nextResultSetPosition = next_position;
305 resp->records = records;
309 else if (apdu_req->which == Z_APDU_presentRequest)
311 Z_PresentRequest *req = apdu_req->u.presentRequest;
312 int number_returned = 0;
313 int next_position = 0;
316 Z_ElementSetNames *esn = 0;
318 if (req->recordComposition)
320 if (req->recordComposition->which == Z_RecordComp_simple)
321 esn = req->recordComposition->u.simple;
325 odr.create_presentResponse(
327 YAZ_BIB1_ONLY_A_SINGLE_ELEMENT_SET_NAME_SUPPORTED,
329 package.response() = apdu_res;
333 Z_Records *records = m_p->fetch(
334 odr, req->preferredRecordSyntax, esn,
335 *req->resultSetStartPoint, *req->numberOfRecordsRequested,
343 odr.create_presentResponse(apdu_req, error_code,
349 odr.create_presentResponse(apdu_req, 0, 0);
350 Z_PresentResponse *resp = apdu_res->u.presentResponse;
351 resp->records = records;
352 *resp->numberOfRecordsReturned = number_returned;
353 *resp->nextResultSetPosition = next_position;
358 apdu_res = odr.create_close(apdu_req,
359 Z_Close_protocolError,
360 "backend_test: unhandled APDU");
361 package.session().close();
364 package.response() = apdu_res;
366 if (package.session().is_closed())
367 m_p->m_sessions.release(package.session());
370 static mp::filter::Base* filter_creator()
372 return new mp::filter::BackendTest;
376 struct metaproxy_1_filter_struct metaproxy_1_filter_backend_test = {
387 * indent-tabs-mode: nil
388 * c-file-style: "stroustrup"
390 * vim: shiftwidth=4 tabstop=8 expandtab