X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=server%2Fseshigh.c;h=8923b418112cff96ff36fc20e70215fe28d85805;hb=bc5e5d4ed7440baeac26adbbeedc5719d9b18dac;hp=39f6d3f0004b9dc1a6e8ae1b7c0f8f8880e7bd12;hpb=5f743e6b18587c2daae4fe9cee8cf991b7352d24;p=yaz-moved-to-github.git diff --git a/server/seshigh.c b/server/seshigh.c index 39f6d3f..8923b41 100644 --- a/server/seshigh.c +++ b/server/seshigh.c @@ -1,10 +1,33 @@ /* - * Copyright (c) 1995-1999, Index Data + * Copyright (c) 1995-2000, Index Data * See the file LICENSE for details. - * Sebastian Hammer, Adam Dickmeiss * * $Log: seshigh.c,v $ - * Revision 1.96 1999-11-04 14:58:44 adam + * Revision 1.105 2000-07-06 10:38:47 adam + * Enhanced option --enable-tcpd. + * + * Revision 1.104 2000/04/05 07:39:55 adam + * Added shared library support (libtool). + * + * Revision 1.103 2000/03/20 19:06:25 adam + * Added Segment request for fronend server. Work on admin for client. + * + * Revision 1.102 2000/03/15 12:59:49 adam + * Added handle member to statserv_control. + * + * Revision 1.101 2000/01/12 14:36:07 adam + * Added printing stream (ODR) for backend functions. + * + * Revision 1.100 1999/12/16 23:36:19 adam + * Implemented ILL protocol. Minor updates ASN.1 compiler. + * + * Revision 1.99 1999/11/30 13:47:12 adam + * Improved installation. Moved header files to include/yaz. + * + * Revision 1.98 1999/11/29 15:12:27 adam + * Changed the way implementationName - and version is set. + * + * Revision 1.96 1999/11/04 14:58:44 adam * Added status elements for backend delete result set handler. * Updated delete result result set command for client. * @@ -332,7 +355,6 @@ * */ -#include #include #include #ifdef WIN32 @@ -342,17 +364,18 @@ #endif #include -#include -#include +#include +#include +#include #include "eventl.h" #include "session.h" -#include -#include -#include -#include -#include +#include +#include +#include +#include +#include -#include +#include static int process_request(association *assoc, request *req, char **msg); void backend_response(IOCHAN i, int event); @@ -370,7 +393,7 @@ static void process_close(association *assoc, request *reqb); void save_referenceId (request *reqb, Z_ReferenceId *refid); static Z_APDU *process_deleteRequest(association *assoc, request *reqb, int *fd); -static int bend_default_scan (void *handle, bend_scan_rr *rr); +static Z_APDU *process_segmentRequest (association *assoc, request *reqb); static FILE *apduf = 0; /* for use in static mode */ static statserv_options_block *control_block = 0; @@ -393,6 +416,7 @@ association *create_association(IOCHAN channel, COMSTACK link) control_block = statserv_getcontrol(); if (!(anew = (association *)xmalloc(sizeof(*anew)))) return 0; + anew->init = 0; anew->client_chan = channel; anew->client_link = link; if (!(anew->decode = odr_createmem(ODR_DECODE)) || @@ -452,6 +476,9 @@ association *create_association(IOCHAN channel, COMSTACK link) */ void destroy_association(association *h) { + statserv_options_block *cb = statserv_getcontrol(); + + xfree(h->init); odr_destroy(h->decode); odr_destroy(h->encode); if (h->print) @@ -459,7 +486,7 @@ void destroy_association(association *h) if (h->input_buffer) xfree(h->input_buffer); if (h->backend) - bend_close(h->backend); + (*cb->bend_close)(h->backend); while (request_deq(&h->incoming)); while (request_deq(&h->outgoing)); request_delq(&h->incoming); @@ -641,59 +668,75 @@ static int process_request(association *assoc, request *req, char **msg) int fd = -1; Z_APDU *res; int retval; - + *msg = "Unknown Error"; assert(req && req->state == REQUEST_IDLE); + if (req->request->which != Z_APDU_initRequest && !assoc->init) + { + *msg = "Missing InitRequest"; + return -1; + } switch (req->request->which) { - case Z_APDU_initRequest: - res = process_initRequest(assoc, req); break; - case Z_APDU_searchRequest: - res = process_searchRequest(assoc, req, &fd); break; - case Z_APDU_presentRequest: - res = process_presentRequest(assoc, req, &fd); break; - case Z_APDU_scanRequest: - if (assoc->bend_scan) - res = process_scanRequest(assoc, req, &fd); - else - { - *msg = "Cannot handle Scan APDU"; - return -1; - } - break; - case Z_APDU_extendedServicesRequest: - if (assoc->bend_esrequest) - res = process_ESRequest(assoc, req, &fd); - else - { - *msg = "Cannot handle Extended Services APDU"; - return -1; - } - break; - case Z_APDU_sortRequest: - if (assoc->bend_sort) - res = process_sortRequest(assoc, req, &fd); - else - { - *msg = "Cannot handle Sort APDU"; - return -1; - } - break; - case Z_APDU_close: - process_close(assoc, req); - return 0; - case Z_APDU_deleteResultSetRequest: - if (assoc->bend_delete) - res = process_deleteRequest(assoc, req, &fd); - else - { - *msg = "Cannot handle Delete APDU"; - return -1; - } - break; - default: - *msg = "Bad APDU received"; + case Z_APDU_initRequest: + res = process_initRequest(assoc, req); break; + case Z_APDU_searchRequest: + res = process_searchRequest(assoc, req, &fd); break; + case Z_APDU_presentRequest: + res = process_presentRequest(assoc, req, &fd); break; + case Z_APDU_scanRequest: + if (assoc->init->bend_scan) + res = process_scanRequest(assoc, req, &fd); + else + { + *msg = "Cannot handle Scan APDU"; return -1; + } + break; + case Z_APDU_extendedServicesRequest: + if (assoc->init->bend_esrequest) + res = process_ESRequest(assoc, req, &fd); + else + { + *msg = "Cannot handle Extended Services APDU"; + return -1; + } + break; + case Z_APDU_sortRequest: + if (assoc->init->bend_sort) + res = process_sortRequest(assoc, req, &fd); + else + { + *msg = "Cannot handle Sort APDU"; + return -1; + } + break; + case Z_APDU_close: + process_close(assoc, req); + return 0; + case Z_APDU_deleteResultSetRequest: + if (assoc->init->bend_delete) + res = process_deleteRequest(assoc, req, &fd); + else + { + *msg = "Cannot handle Delete APDU"; + return -1; + } + break; + case Z_APDU_segmentRequest: + if (assoc->init->bend_segment) + { + res = process_segmentRequest (assoc, req); + } + else + { + *msg = "Cannot handle Segment APDU"; + return -1; + } + break; + default: + *msg = "Bad APDU received"; + return -1; } if (res) { @@ -809,13 +852,16 @@ static int process_response(association *assoc, request *req, Z_APDU *res) */ static Z_APDU *process_initRequest(association *assoc, request *reqb) { + statserv_options_block *cb = statserv_getcontrol(); Z_InitRequest *req = reqb->request->u.initRequest; Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_initResponse); Z_InitResponse *resp = apdu->u.initResponse; - bend_initrequest binitreq; bend_initresult *binitres; char options[100]; + xfree (assoc->init); + assoc->init = xmalloc (sizeof(*assoc->init)); + yaz_log(LOG_LOG, "Got initRequest"); if (req->implementationId) yaz_log(LOG_LOG, "Id: %s", req->implementationId); @@ -824,37 +870,41 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) if (req->implementationVersion) yaz_log(LOG_LOG, "Version: %s", req->implementationVersion); - binitreq.stream = assoc->encode; - binitreq.configname = "default-config"; - binitreq.auth = req->idAuthentication; - binitreq.referenceId = req->referenceId; - binitreq.implementation_version = 0; - binitreq.implementation_name = 0; - binitreq.bend_sort = NULL; - binitreq.bend_search = NULL; - binitreq.bend_present = NULL; - binitreq.bend_esrequest = NULL; - binitreq.bend_delete = NULL; - binitreq.bend_scan = bend_default_scan; - if (!(binitres = bend_init(&binitreq))) + assoc->init->stream = assoc->encode; + assoc->init->print = assoc->print; + assoc->init->auth = req->idAuthentication; + assoc->init->referenceId = req->referenceId; + assoc->init->implementation_version = 0; + assoc->init->implementation_name = 0; + assoc->init->bend_sort = NULL; + assoc->init->bend_search = NULL; + assoc->init->bend_present = NULL; + assoc->init->bend_esrequest = NULL; + assoc->init->bend_delete = NULL; + assoc->init->bend_scan = NULL; + assoc->init->bend_segment = NULL; + assoc->init->bend_fetch = NULL; + if (!(binitres = (*cb->bend_init)(assoc->init))) { yaz_log(LOG_WARN, "Bad response from backend."); return 0; } assoc->backend = binitres->handle; - if ((assoc->bend_sort = (int (*)())binitreq.bend_sort)) + if ((assoc->init->bend_sort)) yaz_log (LOG_DEBUG, "Sort handler installed"); - if ((assoc->bend_search = (int (*)())binitreq.bend_search)) + if ((assoc->init->bend_search)) yaz_log (LOG_DEBUG, "Search handler installed"); - if ((assoc->bend_present = (int (*)())binitreq.bend_present)) + if ((assoc->init->bend_present)) yaz_log (LOG_DEBUG, "Present handler installed"); - if ((assoc->bend_esrequest = (int (*)())binitreq.bend_esrequest)) + if ((assoc->init->bend_esrequest)) yaz_log (LOG_DEBUG, "ESRequest handler installed"); - if ((assoc->bend_delete = (int (*)())binitreq.bend_delete)) + if ((assoc->init->bend_delete)) yaz_log (LOG_DEBUG, "Delete handler installed"); - if ((assoc->bend_scan = (int (*)())binitreq.bend_scan)) + if ((assoc->init->bend_scan)) yaz_log (LOG_DEBUG, "Scan handler installed"); + if ((assoc->init->bend_segment)) + yaz_log (LOG_DEBUG, "Segment handler installed"); resp->referenceId = req->referenceId; *options = '\0'; @@ -869,13 +919,14 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) ODR_MASK_SET(resp->options, Z_Options_present); strcat(options, " prst"); } - if (ODR_MASK_GET(req->options, Z_Options_delSet) && binitreq.bend_delete) + if (ODR_MASK_GET(req->options, Z_Options_delSet) && + assoc->init->bend_delete) { ODR_MASK_SET(resp->options, Z_Options_delSet); strcat(options, " del"); } if (ODR_MASK_GET(req->options, Z_Options_extendedServices) && - binitreq.bend_esrequest) + assoc->init->bend_esrequest) { ODR_MASK_SET(resp->options, Z_Options_extendedServices); strcat (options, " extendedServices"); @@ -885,7 +936,7 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) ODR_MASK_SET(resp->options, Z_Options_namedResultSets); strcat(options, " namedresults"); } - if (ODR_MASK_GET(req->options, Z_Options_scan) && binitreq.bend_scan) + if (ODR_MASK_GET(req->options, Z_Options_scan) && assoc->init->bend_scan) { ODR_MASK_SET(resp->options, Z_Options_scan); strcat(options, " scan"); @@ -895,7 +946,7 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) ODR_MASK_SET(resp->options, Z_Options_concurrentOperations); strcat(options, " concurop"); } - if (ODR_MASK_GET(req->options, Z_Options_sort) && binitreq.bend_sort) + if (ODR_MASK_GET(req->options, Z_Options_sort) && assoc->init->bend_sort) { ODR_MASK_SET(resp->options, Z_Options_sort); strcat(options, " sort"); @@ -925,26 +976,27 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) resp->preferredMessageSize = &assoc->preferredMessageSize; resp->maximumRecordSize = &assoc->maximumRecordSize; - resp->implementationName = "Index Data/YAZ Generic Frontend Server"; + resp->implementationName = "GFS"; - if (binitreq.implementation_name) + if (assoc->init->implementation_name) { char *nv = (char *) odr_malloc (assoc->encode, - strlen(binitreq.implementation_name) + 3 + + strlen(assoc->init->implementation_name) + 10 + strlen(resp->implementationName)); - sprintf (nv, "%s %s", - resp->implementationName, binitreq.implementation_name); + sprintf (nv, "%s / %s", + resp->implementationName, assoc->init->implementation_name); resp->implementationName = nv; } - if (binitreq.implementation_version) + if (assoc->init->implementation_version) { char *nv = (char *) odr_malloc (assoc->encode, - strlen(binitreq.implementation_version) + 3 + + strlen(assoc->init->implementation_version) + 10 + strlen(resp->implementationVersion)); - sprintf (nv, "%s %s", - resp->implementationVersion, binitreq.implementation_version); + sprintf (nv, "YAZ %s / %s", + resp->implementationVersion, + assoc->init->implementation_version); resp->implementationVersion = nv; } @@ -1111,8 +1163,7 @@ static Z_Records *pack_records(association *a, char *setname, int start, a->maximumRecordSize); for (recno = start; reclist->num_records < toget; recno++) { - bend_fetchrequest freq; - bend_fetchresult *fres; + bend_fetch_rr freq; Z_NamePlusRecord *thisrec; int this_length = 0; /* @@ -1121,36 +1172,41 @@ static Z_Records *pack_records(association *a, char *setname, int start, * idea of the total size of the data so far. */ total_length = odr_total(a->encode) - dumped_records; + freq.errcode = 0; + freq.errstring = 0; + freq.basename = 0; + freq.len = 0; + freq.record = 0; + freq.last_in_set = 0; freq.setname = setname; + freq.surrogate_flag = 0; freq.number = recno; freq.comp = comp; - freq.format = format; + freq.request_format = format; + freq.output_format = 0; freq.stream = a->encode; + freq.print = a->print; freq.surrogate_flag = 0; freq.referenceId = referenceId; - if (!(fres = bend_fetch(a->backend, &freq, 0))) - { - *pres = Z_PRES_FAILURE; - return diagrec(a, 2, "Backend interface problem"); - } + (*a->init->bend_fetch)(a->backend, &freq); /* backend should be able to signal whether error is system-wide or only pertaining to current record */ - if (fres->errcode) + if (freq.errcode) { if (!freq.surrogate_flag) { *pres = Z_PRES_FAILURE; - return diagrec(a, fres->errcode, fres->errstring); + return diagrec(a, freq.errcode, freq.errstring); } reclist->records[reclist->num_records] = - surrogatediagrec(a, fres->basename, fres->errcode, - fres->errstring); + surrogatediagrec(a, freq.basename, freq.errcode, + freq.errstring); reclist->num_records++; - *next = fres->last_in_set ? 0 : recno + 1; + *next = freq.last_in_set ? 0 : recno + 1; continue; } - if (fres->len >= 0) - this_length = fres->len; + if (freq.len >= 0) + this_length = freq.len; else this_length = odr_total(a->encode) - total_length; yaz_log(LOG_DEBUG, " fetched record, len=%d, total=%d", @@ -1172,9 +1228,9 @@ static Z_Records *pack_records(association *a, char *setname, int start, { yaz_log(LOG_DEBUG, " Dropped it"); reclist->records[reclist->num_records] = - surrogatediagrec(a, fres->basename, 16, 0); + surrogatediagrec(a, freq.basename, 16, 0); reclist->num_records++; - *next = fres->last_in_set ? 0 : recno + 1; + *next = freq.last_in_set ? 0 : recno + 1; dumped_records += this_length; continue; } @@ -1183,9 +1239,9 @@ static Z_Records *pack_records(association *a, char *setname, int start, { yaz_log(LOG_DEBUG, "Record > maxrcdsz"); reclist->records[reclist->num_records] = - surrogatediagrec(a, fres->basename, 17, 0); + surrogatediagrec(a, freq.basename, 17, 0); reclist->num_records++; - *next = fres->last_in_set ? 0 : recno + 1; + *next = freq.last_in_set ? 0 : recno + 1; dumped_records += this_length; continue; } @@ -1195,17 +1251,17 @@ static Z_Records *pack_records(association *a, char *setname, int start, odr_malloc(a->encode, sizeof(*thisrec)))) return 0; if (!(thisrec->databaseName = (char *)odr_malloc(a->encode, - strlen(fres->basename) + 1))) + strlen(freq.basename) + 1))) return 0; - strcpy(thisrec->databaseName, fres->basename); + strcpy(thisrec->databaseName, freq.basename); thisrec->which = Z_NamePlusRecord_databaseRecord; - thisrec->u.databaseRecord = z_ext_record(a->encode, fres->format, - fres->record, fres->len); + thisrec->u.databaseRecord = z_ext_record(a->encode, freq.output_format, + freq.record, freq.len); if (!thisrec->u.databaseRecord) return 0; reclist->records[reclist->num_records] = thisrec; reclist->num_records++; - *next = fres->last_in_set ? 0 : recno + 1; + *next = freq.last_in_set ? 0 : recno + 1; } *num = reclist->num_records; return records; @@ -1237,7 +1293,7 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb, case Z_Query_type_1: case Z_Query_type_101: log_rpn_query (req->query->u.type_1); } - if (assoc->bend_search) + if (assoc->init->bend_search) { bsrr->setname = req->resultSetName; bsrr->replace_set = *req->replaceIndicator; @@ -1246,14 +1302,15 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb, bsrr->query = req->query; bsrr->stream = assoc->encode; bsrr->decode = assoc->decode; + bsrr->print = assoc->print; bsrr->errcode = 0; bsrr->hits = 0; bsrr->errstring = NULL; - ((int (*)(void *, bend_search_rr *))(assoc->bend_search)) - (assoc->backend, bsrr); + (assoc->init->bend_search)(assoc->backend, bsrr); if (!bsrr->request) return 0; } +#if 0 else { bend_searchrequest bsrq; @@ -1267,12 +1324,14 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb, bsrq.referenceId = req->referenceId; bsrq.stream = assoc->encode; bsrq.decode = assoc->decode; + bsrq.print = assoc->print; if (!(bsrt = bend_search (assoc->backend, &bsrq, fd))) return 0; bsrr->hits = bsrt->hits; bsrr->errcode = bsrt->errcode; bsrr->errstring = bsrt->errstring; } +#endif return response_searchRequest(assoc, reqb, bsrr, fd); } @@ -1421,7 +1480,7 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb, form = VAL_NONE; else form = prefformat->value; - if (assoc->bend_present) + if (assoc->init->bend_present) { bend_present_rr *bprr = (bend_present_rr *) nmem_malloc (reqb->request_mem, sizeof(*bprr)); @@ -1432,12 +1491,12 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb, bprr->comp = req->recordComposition; bprr->referenceId = req->referenceId; bprr->stream = assoc->encode; + bprr->print = assoc->print; bprr->request = reqb; bprr->association = assoc; bprr->errcode = 0; bprr->errstring = NULL; - ((int (*)(void *, bend_present_rr *))(*assoc->bend_present))( - assoc->backend, bprr); + (*assoc->init->bend_present)(assoc->backend, bprr); if (!bprr->request) return 0; @@ -1469,6 +1528,7 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb, return apdu; } +#if 0 static int bend_default_scan (void *handle, bend_scan_rr *rr) { bend_scanrequest srq; @@ -1482,6 +1542,7 @@ static int bend_default_scan (void *handle, bend_scan_rr *rr) srq.term_position = rr->term_position; srq.num_entries = rr->num_entries; srq.stream = rr->stream; + srq.print = rr->print; srs = bend_scan(handle, &srq, 0); @@ -1493,6 +1554,7 @@ static int bend_default_scan (void *handle, bend_scan_rr *rr) rr->errstring = srs->errstring; return 0; } +#endif /* * Scan was implemented rather in a hurry, and with support for only the basic @@ -1555,6 +1617,7 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd) bsrr->term = req->termListAndStartPoint; bsrr->referenceId = req->referenceId; bsrr->stream = assoc->encode; + bsrr->print = assoc->print; if (!(attset = oid_getentbyoid(req->attributeSet)) || attset->oclass != CLASS_RECSYN) bsrr->attributeset = VAL_NONE; @@ -1563,8 +1626,8 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd) log_scan_term (req->termListAndStartPoint, attset->value); bsrr->term_position = req->preferredPositionInResponse ? *req->preferredPositionInResponse : 1; - ((int (*)(void *, bend_scan_rr *))(*assoc->bend_scan))(assoc->backend, - bsrr); + ((int (*)(void *, bend_scan_rr *)) + (*assoc->init->bend_scan))(assoc->backend, bsrr); if (bsrr->errcode) diagrecs_p = diagrecs(assoc, bsrr->errcode, bsrr->errstring); else @@ -1656,13 +1719,13 @@ static Z_APDU *process_sortRequest(association *assoc, request *reqb, bsrr->output_setname = req->sortedResultSetName; bsrr->sort_sequence = req->sortSequence; bsrr->stream = assoc->encode; + bsrr->print = assoc->print; bsrr->sort_status = Z_SortStatus_failure; bsrr->errcode = 0; bsrr->errstring = 0; - ((int (*)(void *, bend_sort_rr *))(*assoc->bend_sort))(assoc->backend, - bsrr); + (*assoc->init->bend_sort)(assoc->backend, bsrr); res->referenceId = bsrr->referenceId; res->sortStatus = (int *) @@ -1708,6 +1771,7 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb, bdrr->num_setnames = req->num_resultSetList; bdrr->setnames = req->resultSetList; bdrr->stream = assoc->encode; + bdrr->print = assoc->print; bdrr->function = *req->deleteFunction; bdrr->referenceId = req->referenceId; bdrr->statuses = 0; @@ -1719,8 +1783,7 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb, for (i = 0; i < bdrr->num_setnames; i++) bdrr->statuses[i] = 0; } - ((int (*)(void *, bend_delete_rr *)) - (*assoc->bend_delete))(assoc->backend, bdrr); + (*assoc->init->bend_delete)(assoc->backend, bdrr); res->referenceId = req->referenceId; @@ -1852,6 +1915,21 @@ void *bend_request_getdata(bend_request r) return r->clientData; } +static Z_APDU *process_segmentRequest (association *assoc, request *reqb) +{ + bend_segment_rr request; + + request.segment = reqb->request->u.segmentRequest; + request.stream = assoc->encode; + request.decode = assoc->decode; + request.print = assoc->print; + request.association = assoc; + + (*assoc->init->bend_segment)(assoc->backend, &request); + + return 0; +} + static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd) { bend_esrequest_rr esrequest; @@ -1865,14 +1943,15 @@ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd) esrequest.esr = reqb->request->u.extendedServicesRequest; esrequest.stream = assoc->encode; + esrequest.decode = assoc->decode; + esrequest.print = assoc->print; esrequest.errcode = 0; esrequest.errstring = NULL; esrequest.request = reqb; esrequest.association = assoc; esrequest.referenceId = req->referenceId; - ((int (*)(void *, bend_esrequest_rr *))(*assoc->bend_esrequest)) - (assoc->backend, &esrequest); + (*assoc->init->bend_esrequest)(assoc->backend, &esrequest); /* If the response is being delayed, return NULL */ if (esrequest.request == NULL)