X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=server%2Fseshigh.c;h=71f68d74731ffc65cb80a77e66a12a058ccfa671;hb=b3c7ee20442440628e2772c087bdf55c8b007fce;hp=3d808acbe0c84621f5f5f55a2bbda96dbb8c66ed;hpb=b5bc2a31ad5125dc6d3ed1b6e626f0b9d22618bb;p=yaz-moved-to-github.git diff --git a/server/seshigh.c b/server/seshigh.c index 3d808ac..71f68d7 100644 --- a/server/seshigh.c +++ b/server/seshigh.c @@ -1,250 +1,8 @@ /* - * Copyright (c) 1995-1998, Index Data + * Copyright (c) 1995-2003, Index Data * See the file LICENSE for details. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: seshigh.c,v $ - * Revision 1.79 1998-08-19 16:10:08 adam - * Changed som member names of DeleteResultSetRequest/Response. - * - * Revision 1.78 1998/08/03 10:23:55 adam - * Fixed bug regarding Options for Sort. - * - * Revision 1.77 1998/07/20 12:38:42 adam - * Implemented delete result set service to server API. - * - * Revision 1.76 1998/05/27 16:57:07 adam - * Support for surrogate diagnostic records added for bend_fetch. - * - * Revision 1.75 1998/05/18 10:13:07 adam - * Fixed call to es_request handler - extra argument was passed. - * - * Revision 1.74 1998/03/31 15:13:20 adam - * Development towards compiled ASN.1. - * - * Revision 1.73 1998/03/31 11:07:45 adam - * Furhter work on UNIverse resource report. - * Added Extended Services handling in frontend server. - * - * Revision 1.72 1998/02/11 11:53:35 adam - * Changed code so that it compiles as C++. - * - * Revision 1.71 1998/02/10 11:03:57 adam - * Added support for extended handlers in backend server interface. - * - * Revision 1.70 1998/01/29 13:15:35 adam - * Implemented sort for the backend interface. - * - * Revision 1.69 1997/09/30 11:48:12 adam - * Fixed bug introduced by previous commit. - * - * Revision 1.68 1997/09/29 13:18:59 adam - * Added function, oid_ent_to_oid, to replace the function - * oid_getoidbyent, which is not thread safe. - * - * Revision 1.67 1997/09/17 12:10:40 adam - * YAZ version 1.4. - * - * Revision 1.66 1997/09/05 15:26:44 adam - * Added ODR encode in search and scen bend request structures. - * Fixed a few enums that caused trouble with C++. - * - * Revision 1.65 1997/09/01 08:53:01 adam - * New windows NT/95 port using MSV5.0. The test server 'ztest' was - * moved a separate directory. MSV5.0 project server.dsp created. - * As an option, the server can now operate as an NT service. - * - * Revision 1.64 1997/04/30 08:52:11 quinn - * Null - * - * Revision 1.63 1996/10/11 11:57:26 quinn - * Smallish - * - * Revision 1.62 1996/07/06 19:58:35 quinn - * System headerfiles gathered in yconfig - * - * Revision 1.61 1996/06/10 08:56:16 quinn - * Work on Summary. - * - * Revision 1.60 1996/05/30 11:03:10 quinn - * Fixed NextresultSetPosition bug fixed. - * - * Revision 1.59 1996/05/14 09:26:46 quinn - * Added attribute set to scan backend - * - * Revision 1.58 1996/02/20 12:53:04 quinn - * Chanes to SCAN - * - * Revision 1.57 1996/01/02 08:57:47 quinn - * Changed enums in the ASN.1 .h files to #defines. Changed oident.class to oclass - * - * Revision 1.56 1995/12/14 11:09:57 quinn - * Work on Explain - * - * Revision 1.55 1995/11/08 17:41:37 quinn - * Smallish. - * - * Revision 1.54 1995/11/08 15:11:29 quinn - * Log of close transmit. - * - * Revision 1.53 1995/11/01 13:54:58 quinn - * Minor adjustments - * - * Revision 1.52 1995/11/01 12:19:13 quinn - * Second attempt to fix same bug. - * - * Revision 1.50 1995/10/25 16:58:32 quinn - * Simple. - * - * Revision 1.49 1995/10/16 13:51:53 quinn - * Changes to provide Especs to the backend. - * - * Revision 1.48 1995/10/06 08:51:20 quinn - * Added Write-buffer. - * - * Revision 1.47 1995/08/29 14:24:16 quinn - * Added second half of close-handshake - * - * Revision 1.46 1995/08/29 11:17:58 quinn - * Added code to receive close - * - * Revision 1.45 1995/08/21 09:11:00 quinn - * Smallish fixes to suppport new formats. - * - * Revision 1.44 1995/08/17 12:45:25 quinn - * Fixed minor problems with GRS-1. Added support in c&s. - * - * Revision 1.43 1995/08/15 12:00:31 quinn - * Updated External - * - * Revision 1.42 1995/08/15 11:16:50 quinn - * - * Revision 1.41 1995/08/02 10:23:06 quinn - * Smallish - * - * Revision 1.40 1995/07/31 14:34:26 quinn - * Fixed bug in process_searchResponse (numberOfRecordsReturned). - * - * Revision 1.39 1995/06/27 13:21:00 quinn - * SUTRS support - * - * Revision 1.38 1995/06/19 12:39:11 quinn - * Fixed bug in timeout code. Added BER dumper. - * - * Revision 1.37 1995/06/16 13:16:14 quinn - * Fixed Defaultdiagformat. - * - * Revision 1.36 1995/06/16 10:31:36 quinn - * Added session timeout. - * - * Revision 1.35 1995/06/15 07:45:14 quinn - * Moving to v3. - * - * Revision 1.34 1995/06/14 15:26:46 quinn - * *** empty log message *** - * - * Revision 1.33 1995/06/06 14:57:05 quinn - * Better diagnostics. - * - * Revision 1.32 1995/06/06 08:41:44 quinn - * Better diagnostics. - * - * Revision 1.31 1995/06/06 08:15:37 quinn - * Cosmetic. - * - * Revision 1.30 1995/06/05 10:53:32 quinn - * Added a better SCAN. - * - * Revision 1.29 1995/06/01 11:25:03 quinn - * Smallish. - * - * Revision 1.28 1995/06/01 11:21:01 quinn - * Attempting to fix a bug in pack-records. replaced break with continue - * for large records, according to standard. - * - * Revision 1.27 1995/05/29 08:12:06 quinn - * Moved oid to util - * - * Revision 1.26 1995/05/18 13:02:12 quinn - * Smallish. - * - * Revision 1.25 1995/05/17 08:42:26 quinn - * Transfer auth info to backend. Allow backend to reject init gracefully. - * - * Revision 1.24 1995/05/16 08:51:04 quinn - * License, documentation, and memory fixes - * - * Revision 1.23 1995/05/15 13:25:10 quinn - * Fixed memory bug. - * - * Revision 1.22 1995/05/15 11:56:39 quinn - * Asynchronous facilities. Restructuring of seshigh code. - * - * Revision 1.21 1995/05/02 08:53:19 quinn - * Trying in vain to fix comm with ISODE - * - * Revision 1.20 1995/04/20 15:13:00 quinn - * Cosmetic - * - * Revision 1.19 1995/04/18 08:15:34 quinn - * Added dynamic memory allocation on encoding (whew). Code is now somewhat - * neater. We'll make the same change for decoding one day. - * - * Revision 1.18 1995/04/17 11:28:25 quinn - * Smallish - * - * Revision 1.17 1995/04/10 10:23:36 quinn - * Some work to add scan and other things. - * - * Revision 1.16 1995/03/31 09:18:55 quinn - * Added logging. - * - * Revision 1.15 1995/03/30 14:03:23 quinn - * Added RFC1006 as separate library - * - * Revision 1.14 1995/03/30 12:18:17 quinn - * Fixed bug. - * - * Revision 1.13 1995/03/30 09:09:24 quinn - * Added state-handle and some support for asynchronous activities. - * - * Revision 1.12 1995/03/29 15:40:16 quinn - * Ongoing work. Statserv is now dynamic by default - * - * Revision 1.11 1995/03/28 09:16:21 quinn - * Added record packing to the search request - * - * Revision 1.10 1995/03/27 08:34:24 quinn - * Added dynamic server functionality. - * Released bindings to session.c (is now redundant) - * - * Revision 1.9 1995/03/22 15:01:26 quinn - * Adjusting record packing. - * - * Revision 1.8 1995/03/22 10:13:21 quinn - * Working on record packer - * - * Revision 1.7 1995/03/21 15:53:31 quinn - * Little changes. - * - * Revision 1.6 1995/03/21 12:30:09 quinn - * Beginning to add support for record packing. - * - * Revision 1.5 1995/03/17 10:44:13 quinn - * Added catch of null-string in makediagrec - * - * Revision 1.4 1995/03/17 10:18:08 quinn - * Added memory management. - * - * Revision 1.3 1995/03/16 17:42:39 quinn - * Little changes - * - * Revision 1.2 1995/03/16 13:29:01 quinn - * Partitioned server. - * - * Revision 1.1 1995/03/15 16:02:10 quinn - * Modded session.c to seshigh.c * + * $Id: seshigh.c,v 1.163 2003-10-20 20:48:37 adam Exp $ */ /* @@ -266,41 +24,49 @@ * will maintain a pool of buffers for encoding and decoding, trying to * minimize memory allocation/deallocation during normal operation. * - * TODOs include (and will be done in order of public interest): - * - * Support for EXPLAIN - provide simple meta-database system. - * Support for access control. - * Support for resource control. - * Support for extended services - primarily Item Order. - * Rest of Z39.50-1994 - * */ -#include #include #include -#ifdef WINDOWS +#include +#ifdef WIN32 +#include +#define S_ISREG(x) (x & _S_IFREG) #include +#include #else +#include #include #endif #include +#include -#include -#include +#include +#include +#include #include "eventl.h" #include "session.h" -#include -#include -#include -#include - -#include - -static int process_request(association *assoc, request *req); +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +static void process_gdu_request(association *assoc, request *req); +static int process_z_request(association *assoc, request *req, char **msg); void backend_response(IOCHAN i, int event); -static int process_response(association *assoc, request *req, Z_APDU *res); +static int process_gdu_response(association *assoc, request *req, Z_GDU *res); +static int process_z_response(association *assoc, request *req, Z_APDU *res); static Z_APDU *process_initRequest(association *assoc, request *reqb); +static Z_External *init_diagnostics(ODR odr, int errcode, char *errstring); static Z_APDU *process_searchRequest(association *assoc, request *reqb, int *fd); static Z_APDU *response_searchRequest(association *assoc, request *reqb, @@ -313,13 +79,12 @@ 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 Z_APDU *process_segmentRequest (association *assoc, request *reqb); static FILE *apduf = 0; /* for use in static mode */ static statserv_options_block *control_block = 0; -/* Chas: Added in from DALI */ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd); -/* Chas: End of addition from DALI */ /* * Create and initialize a new association-handle. @@ -335,8 +100,13 @@ association *create_association(IOCHAN channel, COMSTACK link) control_block = statserv_getcontrol(); if (!(anew = (association *)xmalloc(sizeof(*anew)))) return 0; + anew->init = 0; + anew->version = 0; anew->client_chan = channel; anew->client_link = link; + anew->cs_get_mask = 0; + anew->cs_put_mask = 0; + anew->cs_accept_mask = 0; if (!(anew->decode = odr_createmem(ODR_DECODE)) || !(anew->encode = odr_createmem(ODR_ENCODE))) return 0; @@ -348,7 +118,11 @@ association *create_association(IOCHAN channel, COMSTACK link) strcpy(filename, control_block->apdufile); if (!(anew->print = odr_createmem(ODR_PRINT))) return 0; - if (*control_block->apdufile != '-') + if (*control_block->apdufile == '@') + { + odr_setprint(anew->print, yaz_log_file()); + } + else if (*control_block->apdufile != '-') { strcpy(filename, control_block->apdufile); if (!control_block->dynamic) @@ -357,7 +131,7 @@ association *create_association(IOCHAN channel, COMSTACK link) { if (!(apduf = fopen(filename, "w"))) { - logf(LOG_WARN|LOG_ERRNO, "%s", filename); + yaz_log(LOG_WARN|LOG_ERRNO, "%s", filename); return 0; } setvbuf(apduf, 0, _IONBF, 0); @@ -369,7 +143,7 @@ association *create_association(IOCHAN channel, COMSTACK link) sprintf(filename + strlen(filename), ".%d", getpid()); if (!(f = fopen(filename, "w"))) { - logf(LOG_WARN|LOG_ERRNO, "%s", filename); + yaz_log(LOG_WARN|LOG_ERRNO, "%s", filename); return 0; } setvbuf(f, 0, _IONBF, 0); @@ -394,6 +168,9 @@ 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) @@ -401,12 +178,17 @@ 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); request_delq(&h->outgoing); xfree(h); + xmalloc_trav("session closed"); + if (control_block && control_block->one_shot) + { + exit (0); + } } static void do_close_req(association *a, int reason, char *message, @@ -420,18 +202,19 @@ static void do_close_req(association *a, int reason, char *message, while (request_deq(&a->outgoing)); if (a->version >= 3) { - logf(LOG_LOG, "Sending Close PDU, reason=%d, message=%s", + yaz_log(LOG_LOG, "Sending Close PDU, reason=%d, message=%s", reason, message ? message : "none"); apdu.which = Z_APDU_close; apdu.u.close = cls; *cls->closeReason = reason; cls->diagnosticInformation = message; - process_response(a, req, &apdu); - iochan_settimeout(a->client_chan, 60); + process_z_response(a, req, &apdu); + iochan_settimeout(a->client_chan, 20); } else { - logf(LOG_DEBUG, "v2 client. No Close PDU"); + request_release(req); + yaz_log(LOG_DEBUG, "v2 client. No Close PDU"); iochan_setevent(a->client_chan, EVENT_TIMEOUT); /* force imm close */ } a->state = ASSOC_DEAD; @@ -439,7 +222,8 @@ static void do_close_req(association *a, int reason, char *message, static void do_close(association *a, int reason, char *message) { - do_close_req (a, reason, message, request_get(&a->outgoing)); + request *req = request_get(&a->outgoing); + do_close_req (a, reason, message, req); } /* @@ -463,66 +247,112 @@ void ir_session(IOCHAN h, int event) { if (assoc->state != ASSOC_UP) { - logf(LOG_LOG, "Final timeout - closing connection."); + yaz_log(LOG_LOG, "Final timeout - closing connection."); cs_close(conn); destroy_association(assoc); iochan_destroy(h); } else { - logf(LOG_LOG, "Session idle too long. Sending close."); + yaz_log(LOG_LOG, "Session idle too long. Sending close."); do_close(assoc, Z_Close_lackOfActivity, 0); } return; } - if (event & EVENT_INPUT || event & EVENT_WORK) /* input */ + if (event & assoc->cs_accept_mask) { - if (event & EVENT_INPUT) + yaz_log (LOG_DEBUG, "ir_session (accept)"); + if (!cs_accept (conn)) { - logf(LOG_DEBUG, "ir_session (input)"); - assert(assoc && conn); + yaz_log (LOG_LOG, "accept failed"); + destroy_association(assoc); + iochan_destroy(h); + } + iochan_clearflag (h, EVENT_OUTPUT|EVENT_OUTPUT); + if (conn->io_pending) + { /* cs_accept didn't complete */ + assoc->cs_accept_mask = + ((conn->io_pending & CS_WANT_WRITE) ? EVENT_OUTPUT : 0) | + ((conn->io_pending & CS_WANT_READ) ? EVENT_INPUT : 0); + + iochan_setflag (h, assoc->cs_accept_mask); + } + else + { /* cs_accept completed. Prepare for reading (cs_get) */ + assoc->cs_accept_mask = 0; + assoc->cs_get_mask = EVENT_INPUT; + iochan_setflag (h, assoc->cs_get_mask); + } + return; + } + if ((event & assoc->cs_get_mask) || (event & EVENT_WORK)) /* input */ + { + if ((assoc->cs_put_mask & EVENT_INPUT) == 0 && (event & assoc->cs_get_mask)) + { + yaz_log(LOG_DEBUG, "ir_session (input)"); /* We aren't speaking to this fellow */ if (assoc->state == ASSOC_DEAD) { - logf(LOG_LOG, "Closed connection after reject"); + yaz_log(LOG_LOG, "Connection closed - end of session"); cs_close(conn); destroy_association(assoc); iochan_destroy(h); return; } + assoc->cs_get_mask = EVENT_INPUT; if ((res = cs_get(conn, &assoc->input_buffer, &assoc->input_buffer_len)) <= 0) { - logf(LOG_LOG, "Connection closed by client"); + yaz_log(LOG_LOG, "Connection closed by client"); cs_close(conn); destroy_association(assoc); iochan_destroy(h); return; } else if (res == 1) /* incomplete read - wait for more */ + { + if (conn->io_pending & CS_WANT_WRITE) + assoc->cs_get_mask |= EVENT_OUTPUT; + iochan_setflag(h, assoc->cs_get_mask); return; + } if (cs_more(conn)) /* more stuff - call us again later, please */ iochan_setevent(h, EVENT_INPUT); /* we got a complete PDU. Let's decode it */ - logf(LOG_DEBUG, "Got PDU, %d bytes", res); - req = request_get(&assoc->incoming); /* get a new request structure */ + yaz_log(LOG_DEBUG, "Got PDU, %d bytes: lead=%02X %02X %02X", res, + assoc->input_buffer[0] & 0xff, + assoc->input_buffer[1] & 0xff, + assoc->input_buffer[2] & 0xff); + req = request_get(&assoc->incoming); /* get a new request */ odr_reset(assoc->decode); odr_setbuf(assoc->decode, assoc->input_buffer, res, 0); - if (!z_APDU(assoc->decode, &req->request, 0)) + if (!z_GDU(assoc->decode, &req->gdu_request, 0, 0)) { - logf(LOG_LOG, "ODR error on incoming PDU: %s [near byte %d] ", - odr_errmsg(odr_geterror(assoc->decode)), - odr_offset(assoc->decode)); - logf(LOG_LOG, "PDU dump:"); - odr_dumpBER(log_file(), assoc->input_buffer, res); - do_close(assoc, Z_Close_protocolError, "Malformed package"); + yaz_log(LOG_LOG, "ODR error on incoming PDU: %s [element %s] " + "[near byte %d] ", + odr_errmsg(odr_geterror(assoc->decode)), + odr_getelement(assoc->decode), + odr_offset(assoc->decode)); + if (assoc->decode->error != OHTTP) + { + yaz_log(LOG_LOG, "PDU dump:"); + odr_dumpBER(yaz_log_file(), assoc->input_buffer, res); + request_release(req); + do_close(assoc, Z_Close_protocolError,"Malformed package"); + } + else + { + Z_GDU *p = z_get_HTTP_Response(assoc->encode, 400); + assoc->state = ASSOC_DEAD; + process_gdu_response(assoc, req, p); + } return; } req->request_mem = odr_extract_mem(assoc->decode); - if (assoc->print && !z_APDU(assoc->print, &req->request, 0)) + if (assoc->print && !z_GDU(assoc->print, &req->gdu_request, 0, 0)) { - logf(LOG_WARN, "ODR print error: %s", + yaz_log(LOG_WARN, "ODR print error: %s", odr_errmsg(odr_geterror(assoc->print))); odr_reset(assoc->print); } @@ -534,106 +364,955 @@ void ir_session(IOCHAN h, int event) if (req->state == REQUEST_IDLE) { request_deq(&assoc->incoming); - if (process_request(assoc, req) < 0) - do_close_req(assoc, Z_Close_systemProblem, "Unknown error", - req); + process_gdu_request(assoc, req); } } - if (event & EVENT_OUTPUT) + if (event & assoc->cs_put_mask) { request *req = request_head(&assoc->outgoing); - logf(LOG_DEBUG, "ir_session (output)"); - req->state = REQUEST_PENDING; + assoc->cs_put_mask = 0; + yaz_log(LOG_DEBUG, "ir_session (output)"); + req->state = REQUEST_PENDING; switch (res = cs_put(conn, req->response, req->len_response)) { - case -1: - logf(LOG_LOG, "Connection closed by client"); - cs_close(conn); - destroy_association(assoc); - iochan_destroy(h); - break; - case 0: /* all sent - release the request structure */ - logf(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response); - nmem_destroy(req->request_mem); - request_deq(&assoc->outgoing); - request_release(req); - if (!request_head(&assoc->outgoing)) - iochan_clearflag(h, EVENT_OUTPUT); - break; - /* value of 1 -- partial send -- is simply ignored */ + case -1: + yaz_log(LOG_LOG, "Connection closed by client"); + cs_close(conn); + destroy_association(assoc); + iochan_destroy(h); + break; + case 0: /* all sent - release the request structure */ + yaz_log(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response); +#if 0 + yaz_log(LOG_DEBUG, "HTTP out:\n%.*s", req->len_response, + req->response); +#endif + nmem_destroy(req->request_mem); + request_deq(&assoc->outgoing); + request_release(req); + if (!request_head(&assoc->outgoing)) + { /* restore mask for cs_get operation ... */ + iochan_clearflag(h, EVENT_OUTPUT|EVENT_INPUT); + iochan_setflag(h, assoc->cs_get_mask); + if (assoc->state == ASSOC_DEAD) + iochan_setevent(assoc->client_chan, EVENT_TIMEOUT); + } + else + { + assoc->cs_put_mask = EVENT_OUTPUT; + } + break; + default: + if (conn->io_pending & CS_WANT_WRITE) + assoc->cs_put_mask |= EVENT_OUTPUT; + if (conn->io_pending & CS_WANT_READ) + assoc->cs_put_mask |= EVENT_INPUT; + iochan_setflag(h, assoc->cs_put_mask); } } if (event & EVENT_EXCEPT) { - logf(LOG_DEBUG, "ir_session (exception)"); + yaz_log(LOG_LOG, "ir_session (exception)"); cs_close(conn); destroy_association(assoc); iochan_destroy(h); } } +static int process_z_request(association *assoc, request *req, char **msg); + +static void assoc_init_reset(association *assoc) +{ + xfree (assoc->init); + assoc->init = (bend_initrequest *) xmalloc (sizeof(*assoc->init)); + + assoc->init->stream = assoc->encode; + assoc->init->print = assoc->print; + assoc->init->auth = 0; + assoc->init->referenceId = 0; + assoc->init->implementation_version = 0; + assoc->init->implementation_id = 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; + assoc->init->bend_explain = NULL; + + assoc->init->charneg_request = NULL; + assoc->init->charneg_response = NULL; + + assoc->init->decode = assoc->decode; + assoc->init->peer_name = + odr_strdup (assoc->encode, cs_addrstr(assoc->client_link)); +} + +static int srw_bend_init(association *assoc) +{ + const char *encoding = "UTF-8"; + Z_External *ce; + bend_initresult *binitres; + statserv_options_block *cb = statserv_getcontrol(); + + assoc_init_reset(assoc); + + assoc->maximumRecordSize = 3000000; + assoc->preferredMessageSize = 3000000; +#if 1 + ce = yaz_set_proposal_charneg(assoc->decode, &encoding, 1, 0, 0, 1); + assoc->init->charneg_request = ce->u.charNeg3; +#endif + if (!(binitres = (*cb->bend_init)(assoc->init))) + { + yaz_log(LOG_WARN, "Bad response from backend."); + return 0; + } + assoc->backend = binitres->handle; + return 1; +} + +static int srw_bend_fetch(association *assoc, int pos, + Z_SRW_searchRetrieveRequest *srw_req, + Z_SRW_record *record) +{ + bend_fetch_rr rr; + ODR o = assoc->encode; + + rr.setname = "default"; + rr.number = pos; + rr.referenceId = 0; + rr.request_format = VAL_TEXT_XML; + rr.request_format_raw = yaz_oidval_to_z3950oid(assoc->decode, + CLASS_TRANSYN, + VAL_TEXT_XML); + rr.comp = (Z_RecordComposition *) + odr_malloc(assoc->decode, sizeof(*rr.comp)); + rr.comp->which = Z_RecordComp_complex; + rr.comp->u.complex = (Z_CompSpec *) + odr_malloc(assoc->decode, sizeof(Z_CompSpec)); + rr.comp->u.complex->selectAlternativeSyntax = (bool_t *) + odr_malloc(assoc->encode, sizeof(bool_t)); + *rr.comp->u.complex->selectAlternativeSyntax = 0; + rr.comp->u.complex->num_dbSpecific = 0; + rr.comp->u.complex->dbSpecific = 0; + rr.comp->u.complex->num_recordSyntax = 0; + rr.comp->u.complex->recordSyntax = 0; + + rr.comp->u.complex->generic = (Z_Specification *) + odr_malloc(assoc->decode, sizeof(Z_Specification)); + rr.comp->u.complex->generic->which = Z_Schema_uri; + rr.comp->u.complex->generic->schema.uri = srw_req->recordSchema; + rr.comp->u.complex->generic->elementSpec = 0; + + rr.stream = assoc->encode; + rr.print = assoc->print; + + rr.basename = 0; + rr.len = 0; + rr.record = 0; + rr.last_in_set = 0; + rr.output_format = VAL_TEXT_XML; + rr.output_format_raw = 0; + rr.errcode = 0; + rr.errstring = 0; + rr.surrogate_flag = 0; + rr.schema = srw_req->recordSchema; + + if (!assoc->init->bend_fetch) + return 1; + + (*assoc->init->bend_fetch)(assoc->backend, &rr); + + if (rr.len >= 0) + { + record->recordData_buf = rr.record; + record->recordData_len = rr.len; + record->recordPosition = odr_intdup(o, pos); + if (rr.schema) + record->recordSchema = odr_strdup(o, rr.schema); + else + record->recordSchema = 0; + } + return rr.errcode; +} + +static void srw_bend_search(association *assoc, request *req, + Z_SRW_searchRetrieveRequest *srw_req, + Z_SRW_searchRetrieveResponse *srw_res) +{ + int srw_error = 0; + bend_search_rr rr; + Z_External *ext; + + yaz_log(LOG_LOG, "Got SRW SearchRetrieveRequest"); + yaz_log(LOG_DEBUG, "srw_bend_search"); + if (!assoc->init) + { + yaz_log(LOG_DEBUG, "srw_bend_init"); + if (!srw_bend_init(assoc)) + { + srw_error = 3; /* assume Authentication error */ + + srw_res->num_diagnostics = 1; + srw_res->diagnostics = (Z_SRW_diagnostic *) + odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics)); + srw_res->diagnostics[0].code = + odr_intdup(assoc->encode, srw_error); + srw_res->diagnostics[0].details = 0; + return; + } + } + + rr.setname = "default"; + rr.replace_set = 1; + rr.num_bases = 1; + rr.basenames = &srw_req->database; + rr.referenceId = 0; + + rr.query = (Z_Query *) odr_malloc (assoc->decode, sizeof(*rr.query)); + + if (srw_req->query_type == Z_SRW_query_type_cql) + { + ext = (Z_External *) odr_malloc(assoc->decode, sizeof(*ext)); + ext->direct_reference = odr_getoidbystr(assoc->decode, + "1.2.840.10003.16.2"); + ext->indirect_reference = 0; + ext->descriptor = 0; + ext->which = Z_External_CQL; + ext->u.cql = srw_req->query.cql; + + rr.query->which = Z_Query_type_104; + rr.query->u.type_104 = ext; + } + else if (srw_req->query_type == Z_SRW_query_type_pqf) + { + Z_RPNQuery *RPNquery; + YAZ_PQF_Parser pqf_parser; + + pqf_parser = yaz_pqf_create (); + + RPNquery = yaz_pqf_parse (pqf_parser, assoc->decode, + srw_req->query.pqf); + if (!RPNquery) + { + const char *pqf_msg; + size_t off; + int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off); + yaz_log(LOG_LOG, "%*s^\n", off+4, ""); + yaz_log(LOG_LOG, "Bad PQF: %s (code %d)\n", pqf_msg, code); + + srw_error = 10; + } + + rr.query->which = Z_Query_type_1; + rr.query->u.type_1 = RPNquery; + + yaz_pqf_destroy (pqf_parser); + } + else + srw_error = 11; + + if (!srw_error && srw_req->sort_type != Z_SRW_sort_type_none) + srw_error = 80; + + if (!srw_error && !assoc->init->bend_search) + srw_error = 1; + + if (srw_error) + { + yaz_log(LOG_DEBUG, "srw_bend_search returned SRW error %d", srw_error); + srw_res->num_diagnostics = 1; + srw_res->diagnostics = (Z_SRW_diagnostic *) + odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics)); + srw_res->diagnostics[0].code = + odr_intdup(assoc->encode, srw_error); + srw_res->diagnostics[0].details = 0; + return; + } + + rr.stream = assoc->encode; + rr.decode = assoc->decode; + rr.print = assoc->print; + rr.request = req; + rr.association = assoc; + rr.fd = 0; + rr.hits = 0; + rr.errcode = 0; + rr.errstring = 0; + rr.search_info = 0; + yaz_log_zquery(rr.query); + (assoc->init->bend_search)(assoc->backend, &rr); + srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits); + if (rr.errcode) + { + yaz_log(LOG_DEBUG, "bend_search returned Bib-1 code %d", rr.errcode); + srw_res->num_diagnostics = 1; + srw_res->diagnostics = (Z_SRW_diagnostic *) + odr_malloc(assoc->encode, sizeof(*srw_res->diagnostics)); + srw_res->diagnostics[0].code = + odr_intdup(assoc->encode, + yaz_diag_bib1_to_srw (rr.errcode)); + srw_res->diagnostics[0].details = rr.errstring; + yaz_log(LOG_DEBUG, "srw_bend_search returned SRW error %d", + *srw_res->diagnostics[0].code); + + } + else + { + int number = srw_req->maximumRecords ? *srw_req->maximumRecords : 0; + int start = srw_req->startRecord ? *srw_req->startRecord : 1; + + yaz_log(LOG_LOG, "Request to pack %d+%d out of %d", + start, number, rr.hits); + + srw_res->numberOfRecords = odr_intdup(assoc->encode, rr.hits); + if (number > 0) + { + int i; + + if (start > rr.hits) + { + yaz_log(LOG_LOG, "Request out or range"); + } + else + { + int j = 0; + int packing = Z_SRW_recordPacking_string; + if (start + number > rr.hits) + number = rr.hits - start + 1; + if (srw_req->recordPacking && + !strcmp(srw_req->recordPacking, "xml")) + packing = Z_SRW_recordPacking_XML; + srw_res->records = (Z_SRW_record *) + odr_malloc(assoc->encode, + number * sizeof(*srw_res->records)); + for (i = 0; irecords[j].recordPacking = packing; + srw_res->records[j].recordData_buf = 0; + yaz_log(LOG_DEBUG, "srw_bend_fetch %d", i+start); + errcode = srw_bend_fetch(assoc, i+start, srw_req, + srw_res->records + j); + if (errcode) + { + srw_res->num_diagnostics = 1; + srw_res->diagnostics = (Z_SRW_diagnostic *) + odr_malloc(assoc->encode, + sizeof(*srw_res->diagnostics)); + srw_res->diagnostics[0].code = + odr_intdup(assoc->encode, + yaz_diag_bib1_to_srw (errcode)); + srw_res->diagnostics[0].details = rr.errstring; + break; + } + if (srw_res->records[j].recordData_buf) + j++; + } + srw_res->num_records = j; + if (!j) + srw_res->records = 0; + } + } + } +} + + +static void srw_bend_explain(association *assoc, request *req, + Z_SRW_explainRequest *srw_req, + Z_SRW_explainResponse *srw_res) +{ + yaz_log(LOG_LOG, "Got SRW ExplainRequest"); + if (!assoc->init) + { + yaz_log(LOG_DEBUG, "srw_bend_init"); + if (!srw_bend_init(assoc)) + return; + } + if (assoc->init && assoc->init->bend_explain) + { + bend_explain_rr rr; + + rr.stream = assoc->encode; + rr.decode = assoc->decode; + rr.print = assoc->print; + rr.explain_buf = 0; + (*assoc->init->bend_explain)(assoc->backend, &rr); + if (rr.explain_buf) + { + srw_res->explainData_buf = rr.explain_buf; + srw_res->explainData_len = strlen(rr.explain_buf); + } + } +} + +static int hex_digit (int ch) +{ + if (ch >= '0' && ch <= '9') + return ch - '0'; + else if (ch >= 'a' && ch <= 'f') + return ch - 'a'+10; + else if (ch >= 'A' && ch <= 'F') + return ch - 'A'+10; + return 0; +} + +static char *uri_val(const char *path, const char *name, ODR o) +{ + size_t nlen = strlen(name); + if (*path != '?') + return 0; + path++; + while (path && *path) + { + const char *p1 = strchr(path, '='); + if (!p1) + break; + if ((size_t)(p1 - path) == nlen && !memcmp(path, name, nlen)) + { + size_t i = 0; + char *ret; + + path = p1 + 1; + p1 = strchr(path, '&'); + if (!p1) + p1 = strlen(path) + path; + ret = odr_malloc(o, p1 - path + 1); + while (*path && *path != '&') + { + if (*path == '+') + { + ret[i++] = ' '; + path++; + } + else if (*path == '%' && path[1] && path[2]) + { + ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]); + path = path + 3; + } + else + ret[i++] = *path++; + } + ret[i] = '\0'; + return ret; + } + path = strchr(p1, '&'); + if (path) + path++; + } + return 0; +} + +void uri_val_int(const char *path, const char *name, ODR o, int **intp) +{ + const char *v = uri_val(path, name, o); + if (v) + *intp = odr_intdup(o, atoi(v)); +} + +static void process_http_request(association *assoc, request *req) +{ + Z_HTTP_Request *hreq = req->gdu_request->u.HTTP_Request; + ODR o = assoc->encode; + Z_GDU *p = 0; + Z_HTTP_Response *hres = 0; + int keepalive = 1; + + if (!strcmp(hreq->method, "GET")) + { + char *db = "Default"; + const char *p0 = hreq->path, *p1; +#if HAVE_XML2 + int ret = -1; + char *charset = 0; + Z_SOAP *soap_package = 0; + static Z_SOAP_Handler soap_handlers[2] = { + {"http://www.loc.gov/zing/srw/v1.0/", 0, + (Z_SOAP_fun) yaz_srw_codec}, + {0, 0, 0} + }; +#endif + + if (*p0 == '/') + p0++; + p1 = strchr(p0, '?'); + if (!p1) + p1 = p0 + strlen(p0); + if (p1 != p0) + { + db = odr_malloc(assoc->decode, p1 - p0 + 1); + memcpy (db, p0, p1 - p0); + db[p1 - p0] = '\0'; + } +#if HAVE_XML2 + if (p1 && *p1 == '?' && p1[1]) + { + Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_searchRetrieve_response); + Z_SRW_PDU *sr = yaz_srw_get(o, Z_SRW_searchRetrieve_request); + char *query = uri_val(p1, "query", o); + char *pQuery = uri_val(p1, "pQuery", o); + char *sortKeys = uri_val(p1, "sortKeys", o); + + if (query) + { + sr->u.request->query_type = Z_SRW_query_type_cql; + sr->u.request->query.cql = query; + } + if (pQuery) + { + sr->u.request->query_type = Z_SRW_query_type_pqf; + sr->u.request->query.pqf = pQuery; + } + if (sortKeys) + { + sr->u.request->sort_type = Z_SRW_sort_type_sort; + sr->u.request->sort.sortKeys = sortKeys; + } + sr->u.request->recordSchema = uri_val(p1, "recordSchema", o); + sr->u.request->recordPacking = uri_val(p1, "recordPacking", o); + if (!sr->u.request->recordPacking) + sr->u.request->recordPacking = "xml"; + uri_val_int(p1, "maximumRecords", o, + &sr->u.request->maximumRecords); + uri_val_int(p1, "startRecord", o, + &sr->u.request->startRecord); + if (sr->u.request->startRecord) + yaz_log(LOG_LOG, "startRecord=%d", *sr->u.request->startRecord); + sr->u.request->database = db; + srw_bend_search(assoc, req, sr->u.request, res->u.response); + + soap_package = odr_malloc(o, sizeof(*soap_package)); + soap_package->which = Z_SOAP_generic; + + soap_package->u.generic = + odr_malloc(o, sizeof(*soap_package->u.generic)); + + soap_package->u.generic->p = res; + soap_package->u.generic->ns = soap_handlers[0].ns; + soap_package->u.generic->no = 0; + + soap_package->ns = "SRU"; + + p = z_get_HTTP_Response(o, 200); + hres = p->u.HTTP_Response; + + ret = z_soap_codec_enc(assoc->encode, &soap_package, + &hres->content_buf, &hres->content_len, + soap_handlers, charset); + if (!charset) + z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml"); + else + { + char ctype[60]; + strcpy(ctype, "text/xml; charset="); + strcat(ctype, charset); + z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype); + } + + } + else + { + Z_SRW_PDU *res = yaz_srw_get(o, Z_SRW_explain_response); + Z_SRW_PDU *sr = yaz_srw_get(o, Z_SRW_explain_request); + + srw_bend_explain(assoc, req, sr->u.explain_request, + res->u.explain_response); + + if (res->u.explain_response->explainData_buf) + { + soap_package = odr_malloc(o, sizeof(*soap_package)); + soap_package->which = Z_SOAP_generic; + + soap_package->u.generic = + odr_malloc(o, sizeof(*soap_package->u.generic)); + + soap_package->u.generic->p = res; + soap_package->u.generic->ns = soap_handlers[0].ns; + soap_package->u.generic->no = 0; + + soap_package->ns = "SRU"; + + p = z_get_HTTP_Response(o, 200); + hres = p->u.HTTP_Response; + + ret = z_soap_codec_enc(assoc->encode, &soap_package, + &hres->content_buf, &hres->content_len, + soap_handlers, charset); + if (!charset) + z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml"); + else + { + char ctype[60]; + strcpy(ctype, "text/xml; charset="); + strcat(ctype, charset); + z_HTTP_header_add(o, &hres->headers, "Content-Type", + ctype); + } + } + } +#endif +#ifdef DOCDIR + if (strlen(hreq->path) >= 5 && strlen(hreq->path) < 80 && + !memcmp(hreq->path, "/doc/", 5)) + { + FILE *f; + char fpath[120]; + + strcpy(fpath, DOCDIR); + strcat(fpath, hreq->path+4); + f = fopen(fpath, "rb"); + if (f) { + struct stat sbuf; + if (fstat(fileno(f), &sbuf) || !S_ISREG(sbuf.st_mode)) + { + fclose(f); + f = 0; + } + } + if (f) + { + long sz; + fseek(f, 0L, SEEK_END); + sz = ftell(f); + if (sz >= 0 && sz < 500000) + { + const char *ctype = "application/octet-stream"; + const char *cp; + + p = z_get_HTTP_Response(o, 200); + hres = p->u.HTTP_Response; + hres->content_buf = (char *) odr_malloc(o, sz + 1); + hres->content_len = sz; + fseek(f, 0L, SEEK_SET); + fread(hres->content_buf, 1, sz, f); + if ((cp = strrchr(fpath, '.'))) { + cp++; + if (!strcmp(cp, "png")) + ctype = "image/png"; + else if (!strcmp(cp, "gif")) + ctype = "image/gif"; + else if (!strcmp(cp, "xml")) + ctype = "text/xml"; + else if (!strcmp(cp, "html")) + ctype = "text/html"; + } + z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype); + } + fclose(f); + } + } +#endif + +#if 0 + if (!strcmp(hreq->path, "/")) + { +#ifdef DOCDIR + struct stat sbuf; +#endif + const char *doclink = ""; + p = z_get_HTTP_Response(o, 200); + hres = p->u.HTTP_Response; + hres->content_buf = (char *) odr_malloc(o, 400); +#ifdef DOCDIR + if (stat(DOCDIR "/yaz.html", &sbuf) == 0 && S_ISREG(sbuf.st_mode)) + doclink = "

Documentation

"; +#endif + sprintf (hres->content_buf, + "\n" + "\n" + " \n" + " YAZ " YAZ_VERSION "\n" + " \n" + " \n" + "

YAZ " + YAZ_VERSION "

\n" + "%s" + " \n" + "\n", doclink); + hres->content_len = strlen(hres->content_buf); + z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/html"); + } +#endif + + if (!p) + { + p = z_get_HTTP_Response(o, 404); + } + } + else if (!strcmp(hreq->method, "POST")) + { + const char *content_type = z_HTTP_header_lookup(hreq->headers, + "Content-Type"); + if (content_type && !yaz_strcmp_del("text/xml", content_type, "; ")) + { + Z_SOAP *soap_package = 0; + int ret = -1; + int http_code = 500; + const char *charset_p = 0; + char *charset = 0; + + static Z_SOAP_Handler soap_handlers[2] = { +#if HAVE_XML2 + {"http://www.loc.gov/zing/srw/v1.0/", 0, + (Z_SOAP_fun) yaz_srw_codec}, +#endif + {0, 0, 0} + }; + if ((charset_p = strstr(content_type, "; charset="))) + { + int i = 0; + charset_p += 10; + while (i < 20 && charset_p[i] && + !strchr("; \n\r", charset_p[i])) + i++; + charset = odr_malloc(assoc->encode, i+1); + memcpy(charset, charset_p, i); + charset[i] = '\0'; + yaz_log(LOG_LOG, "SOAP encoding %s", charset); + } + ret = z_soap_codec(assoc->decode, &soap_package, + &hreq->content_buf, &hreq->content_len, + soap_handlers); +#if HAVE_XML2 + if (!ret && soap_package->which == Z_SOAP_generic && + soap_package->u.generic->no == 0) + { + /* SRW package */ + Z_SRW_PDU *sr = soap_package->u.generic->p; + + if (sr->which == Z_SRW_searchRetrieve_request) + { + Z_SRW_PDU *res = + yaz_srw_get(assoc->encode, + Z_SRW_searchRetrieve_response); + + if (!sr->u.request->database) + { + const char *p0 = hreq->path, *p1; + if (*p0 == '/') + p0++; + p1 = strchr(p0, '?'); + if (!p1) + p1 = p0 + strlen(p0); + if (p1 != p0) + { + sr->u.request->database = + odr_malloc(assoc->decode, p1 - p0 + 1); + memcpy (sr->u.request->database, p0, p1 - p0); + sr->u.request->database[p1 - p0] = '\0'; + } + else + sr->u.request->database = "Default"; + } + srw_bend_search(assoc, req, sr->u.request, + res->u.response); + + soap_package->u.generic->p = res; + http_code = 200; + } + else if (sr->which == Z_SRW_explain_request) + { + Z_SRW_PDU *res = + yaz_srw_get(assoc->encode, Z_SRW_explain_response); + + srw_bend_explain(assoc, req, sr->u.explain_request, + res->u.explain_response); + if (!res->u.explain_response->explainData_buf) + { + z_soap_error(assoc->encode, soap_package, + "SOAP-ENV:Client", "Explain Not Supported", 0); + } + else + { + soap_package->u.generic->p = res; + http_code = 200; + } + } + else + { + z_soap_error(assoc->encode, soap_package, + "SOAP-ENV:Client", "Bad method", 0); + } + } +#endif + p = z_get_HTTP_Response(o, 200); + hres = p->u.HTTP_Response; + ret = z_soap_codec_enc(assoc->encode, &soap_package, + &hres->content_buf, &hres->content_len, + soap_handlers, charset); + hres->code = http_code; + if (!charset) + z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml"); + else + { + char ctype[60]; + strcpy(ctype, "text/xml; charset="); + strcat(ctype, charset); + z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype); + } + } + if (!p) /* still no response ? */ + p = z_get_HTTP_Response(o, 500); + } + else + { + p = z_get_HTTP_Response(o, 405); + hres = p->u.HTTP_Response; + + z_HTTP_header_add(o, &hres->headers, "Allow", "GET, POST"); + } + hres = p->u.HTTP_Response; + if (!strcmp(hreq->version, "1.0")) + { + const char *v = z_HTTP_header_lookup(hreq->headers, "Connection"); + if (v && !strcmp(v, "Keep-Alive")) + keepalive = 1; + else + keepalive = 0; + hres->version = "1.0"; + } + else + { + const char *v = z_HTTP_header_lookup(hreq->headers, "Connection"); + if (v && !strcmp(v, "close")) + keepalive = 0; + else + keepalive = 1; + hres->version = "1.1"; + } + if (!keepalive) + { + z_HTTP_header_add(o, &hres->headers, "Connection", "close"); + assoc->state = ASSOC_DEAD; + } + else + { + int t; + const char *alive = z_HTTP_header_lookup(hreq->headers, "Keep-Alive"); + + if (alive && isdigit(*alive)) + t = atoi(alive); + else + t = 15; + if (t < 0 || t > 3600) + t = 3600; + iochan_settimeout(assoc->client_chan,t); + z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive"); + } + process_gdu_response(assoc, req, p); +} + +static void process_gdu_request(association *assoc, request *req) +{ + if (req->gdu_request->which == Z_GDU_Z3950) + { + char *msg = 0; + req->apdu_request = req->gdu_request->u.z3950; + if (process_z_request(assoc, req, &msg) < 0) + do_close_req(assoc, Z_Close_systemProblem, msg, req); + } + else if (req->gdu_request->which == Z_GDU_HTTP_Request) + process_http_request(assoc, req); + else + { + do_close_req(assoc, Z_Close_systemProblem, "bad protocol packet", req); + } +} + /* * Initiate request processing. */ -static int process_request(association *assoc, request *req) +static int process_z_request(association *assoc, request *req, char **msg) { int fd = -1; Z_APDU *res; int retval; - + + *msg = "Unknown Error"; assert(req && req->state == REQUEST_IDLE); - switch (req->request->which) + if (req->apdu_request->which != Z_APDU_initRequest && !assoc->init) { - 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: - res = process_scanRequest(assoc, req, &fd); break; - case Z_APDU_extendedServicesRequest: - if (assoc->bend_esrequest) - res = process_ESRequest(assoc, req, &fd); - else - { - logf(LOG_WARN, "Cannot handle EXTENDED SERVICES APDU"); - return -1; - } - break; - case Z_APDU_sortRequest: - if (assoc->bend_sort) - res = process_sortRequest(assoc, req, &fd); - else - { - logf(LOG_WARN, "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 - { - logf (LOG_WARN, "Cannot handle Delete APDU"); - return -1; - } - break; - default: - logf(LOG_WARN, "Bad APDU received"); + *msg = "Missing InitRequest"; + return -1; + } + switch (req->apdu_request->which) + { + case Z_APDU_initRequest: + iochan_settimeout(assoc->client_chan, + statserv_getcontrol()->idle_timeout * 60); + 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) { - logf(LOG_DEBUG, " result immediately available"); - retval = process_response(assoc, req, res); + yaz_log(LOG_DEBUG, " result immediately available"); + retval = process_z_response(assoc, req, res); } else if (fd < 0) { - logf(LOG_DEBUG, " result unavailble"); + yaz_log(LOG_DEBUG, " result unavailble"); retval = 0; } else /* no result yet - one will be provided later */ @@ -642,7 +1321,7 @@ static int process_request(association *assoc, request *req) /* Set up an I/O handler for the fd supplied by the backend */ - logf(LOG_DEBUG, " establishing handler for result"); + yaz_log(LOG_DEBUG, " establishing handler for result"); req->state = REQUEST_PENDING; if (!(chan = iochan_create(fd, backend_response, EVENT_INPUT))) abort(); @@ -662,10 +1341,10 @@ void backend_response(IOCHAN i, int event) Z_APDU *res; int fd; - logf(LOG_DEBUG, "backend_response"); + yaz_log(LOG_DEBUG, "backend_response"); assert(assoc && req && req->state != REQUEST_IDLE); /* determine what it is we're waiting for */ - switch (req->request->which) + switch (req->apdu_request->which) { case Z_APDU_searchRequest: res = response_searchRequest(assoc, req, 0, &fd); break; @@ -676,19 +1355,19 @@ void backend_response(IOCHAN i, int event) res = response_scanRequest(assoc, req, 0, &fd); break; #endif default: - logf(LOG_WARN, "Serious programmer's lapse or bug"); + yaz_log(LOG_WARN, "Serious programmer's lapse or bug"); abort(); } - if ((res && process_response(assoc, req, res) < 0) || fd < 0) + if ((res && process_z_response(assoc, req, res) < 0) || fd < 0) { - logf(LOG_LOG, "Fatal error when talking to backend"); + yaz_log(LOG_LOG, "Fatal error when talking to backend"); do_close(assoc, Z_Close_systemProblem, 0); iochan_destroy(i); return; } else if (!res) /* no result yet - try again later */ { - logf(LOG_DEBUG, " no result yet"); + yaz_log(LOG_DEBUG, " no result yet"); iochan_setfd(i, fd); /* in case fd has changed */ } } @@ -696,35 +1375,38 @@ void backend_response(IOCHAN i, int event) /* * Encode response, and transfer the request structure to the outgoing queue. */ -static int process_response(association *assoc, request *req, Z_APDU *res) +static int process_gdu_response(association *assoc, request *req, Z_GDU *res) { odr_setbuf(assoc->encode, req->response, req->size_response, 1); - if (!z_APDU(assoc->encode, &res, 0)) + + if (assoc->print && !z_GDU(assoc->print, &res, 0, 0)) { - logf(LOG_WARN, "ODR error when encoding response: %s", - odr_errmsg(odr_geterror(assoc->decode))); - odr_reset(assoc->encode); + yaz_log(LOG_WARN, "ODR print error: %s", + odr_errmsg(odr_geterror(assoc->print))); + odr_reset(assoc->print); + } + if (!z_GDU(assoc->encode, &res, 0, 0)) + { + yaz_log(LOG_WARN, "ODR error when decoding PDU: %s [element %s]", + odr_errmsg(odr_geterror(assoc->decode)), + odr_getelement(assoc->decode)); + request_release(req); return -1; } req->response = odr_getbuf(assoc->encode, &req->len_response, &req->size_response); odr_setbuf(assoc->encode, 0, 0, 0); /* don'txfree if we abort later */ - if (assoc->print && !z_APDU(assoc->print, &res, 0)) - { - logf(LOG_WARN, "ODR print error: %s", - odr_errmsg(odr_geterror(assoc->print))); - odr_reset(assoc->print); - } odr_reset(assoc->encode); req->state = REQUEST_IDLE; request_enq(&assoc->outgoing, req); /* turn the work over to the ir_session handler */ iochan_setflag(assoc->client_chan, EVENT_OUTPUT); + assoc->cs_put_mask = EVENT_OUTPUT; /* Is there more work to be done? give that to the input handler too */ #if 1 if (request_head(&assoc->incoming)) { - logf (LOG_DEBUG, "more work to be done"); + yaz_log (LOG_DEBUG, "more work to be done"); iochan_setevent(assoc->client_chan, EVENT_WORK); } #endif @@ -732,6 +1414,19 @@ static int process_response(association *assoc, request *req, Z_APDU *res) } /* + * Encode response, and transfer the request structure to the outgoing queue. + */ +static int process_z_response(association *assoc, request *req, Z_APDU *res) +{ + Z_GDU *gres = (Z_GDU *) odr_malloc(assoc->encode, sizeof(*res)); + gres->which = Z_GDU_Z3950; + gres->u.z3950 = res; + + return process_gdu_response(assoc, req, gres); +} + + +/* * Handle init request. * At the moment, we don't check the options * anywhere else in the code - we just try not to do anything that would @@ -740,46 +1435,56 @@ static int process_response(association *assoc, request *req, Z_APDU *res) */ static Z_APDU *process_initRequest(association *assoc, request *reqb) { - Z_InitRequest *req = reqb->request->u.initRequest; + statserv_options_block *cb = statserv_getcontrol(); + Z_InitRequest *req = reqb->apdu_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]; - logf(LOG_LOG, "Got initRequest"); + char options[140]; + + yaz_log(LOG_LOG, "Got initRequest"); if (req->implementationId) - logf(LOG_LOG, "Id: %s", req->implementationId); + yaz_log(LOG_LOG, "Id: %s", req->implementationId); if (req->implementationName) - logf(LOG_LOG, "Name: %s", req->implementationName); + yaz_log(LOG_LOG, "Name: %s", req->implementationName); if (req->implementationVersion) - logf(LOG_LOG, "Version: %s", req->implementationVersion); - - binitreq.stream = assoc->encode; - binitreq.configname = "default-config"; - binitreq.auth = req->idAuthentication; - binitreq.bend_sort = NULL; - binitreq.bend_search = NULL; - binitreq.bend_present = NULL; - binitreq.bend_esrequest = NULL; - binitreq.bend_delete = NULL; - if (!(binitres = bend_init(&binitreq))) - { - logf(LOG_WARN, "Bad response from backend."); + yaz_log(LOG_LOG, "Version: %s", req->implementationVersion); + + assoc_init_reset(assoc); + + assoc->init->auth = req->idAuthentication; + assoc->init->referenceId = req->referenceId; + + if (ODR_MASK_GET(req->options, Z_Options_negotiationModel)) + { + Z_CharSetandLanguageNegotiation *negotiation = + yaz_get_charneg_record (req->otherInfo); + if (negotiation->which == Z_CharSetandLanguageNegotiation_proposal) + assoc->init->charneg_request = negotiation; + } + + 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)) - logf (LOG_DEBUG, "Sort handler installed"); - if ((assoc->bend_search = (int (*)())binitreq.bend_search)) - logf (LOG_DEBUG, "Search handler installed"); - if ((assoc->bend_present = (int (*)())binitreq.bend_present)) - logf (LOG_DEBUG, "Present handler installed"); - if ((assoc->bend_esrequest = (int (*)())binitreq.bend_esrequest)) - logf (LOG_DEBUG, "ESRequest handler installed"); - if ((assoc->bend_delete = (int (*)())binitreq.bend_delete)) - logf (LOG_DEBUG, "Delete handler installed"); + if ((assoc->init->bend_sort)) + yaz_log (LOG_DEBUG, "Sort handler installed"); + if ((assoc->init->bend_search)) + yaz_log (LOG_DEBUG, "Search handler installed"); + if ((assoc->init->bend_present)) + yaz_log (LOG_DEBUG, "Present handler installed"); + if ((assoc->init->bend_esrequest)) + yaz_log (LOG_DEBUG, "ESRequest handler installed"); + if ((assoc->init->bend_delete)) + yaz_log (LOG_DEBUG, "Delete handler installed"); + 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'; @@ -794,13 +1499,14 @@ 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"); @@ -810,7 +1516,7 @@ 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)) + if (ODR_MASK_GET(req->options, Z_Options_scan) && assoc->init->bend_scan) { ODR_MASK_SET(resp->options, Z_Options_scan); strcat(options, " scan"); @@ -818,13 +1524,33 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) if (ODR_MASK_GET(req->options, Z_Options_concurrentOperations)) { ODR_MASK_SET(resp->options, Z_Options_concurrentOperations); - strcat(options, " concurop"); + strcat(options, " concurrop"); } - 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"); } + + if (ODR_MASK_GET(req->options, Z_Options_negotiationModel) + && assoc->init->charneg_response) + { + Z_OtherInformation **p; + Z_OtherInformationUnit *p0; + + yaz_oi_APDU(apdu, &p); + + if ((p0=yaz_oi_update(p, assoc->encode, NULL, 0, 0))) { + ODR_MASK_SET(resp->options, Z_Options_negotiationModel); + + p0->which = Z_OtherInfo_externallyDefinedInfo; + p0->information.externallyDefinedInfo = + assoc->init->charneg_response; + } + ODR_MASK_SET(resp->options, Z_Options_negotiationModel); + strcat(options, " negotiation"); + } + if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_1)) { ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_1); @@ -840,21 +1566,60 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_3); assoc->version = 3; } - logf(LOG_LOG, "Negotiated to v%d: %s", assoc->version, options); + + yaz_log(LOG_LOG, "Negotiated to v%d: %s", assoc->version, options); assoc->maximumRecordSize = *req->maximumRecordSize; if (assoc->maximumRecordSize > control_block->maxrecordsize) assoc->maximumRecordSize = control_block->maxrecordsize; assoc->preferredMessageSize = *req->preferredMessageSize; if (assoc->preferredMessageSize > assoc->maximumRecordSize) assoc->preferredMessageSize = assoc->maximumRecordSize; + resp->preferredMessageSize = &assoc->preferredMessageSize; resp->maximumRecordSize = &assoc->maximumRecordSize; - resp->implementationName = "Index Data/YAZ Generic Frontend Server"; + + resp->implementationName = "GFS/YAZ"; + + if (assoc->init->implementation_id) + { + char *nv = (char *) + odr_malloc (assoc->encode, + strlen(assoc->init->implementation_id) + 10 + + strlen(resp->implementationId)); + sprintf (nv, "%s / %s", + resp->implementationId, assoc->init->implementation_id); + resp->implementationId = nv; + } + if (assoc->init->implementation_name) + { + char *nv = (char *) + odr_malloc (assoc->encode, + strlen(assoc->init->implementation_name) + 10 + + strlen(resp->implementationName)); + sprintf (nv, "%s / %s", + resp->implementationName, assoc->init->implementation_name); + resp->implementationName = nv; + } + if (assoc->init->implementation_version) + { + char *nv = (char *) + odr_malloc (assoc->encode, + strlen(assoc->init->implementation_version) + 10 + + strlen(resp->implementationVersion)); + sprintf (nv, "YAZ %s / %s", + resp->implementationVersion, + assoc->init->implementation_version); + resp->implementationVersion = nv; + } + if (binitres->errcode) { - logf(LOG_LOG, "Connection rejected by backend."); + yaz_log(LOG_LOG, "Connection rejected by backend."); *resp->result = 0; assoc->state = ASSOC_DEAD; + resp->userInformationField = init_diagnostics(assoc->encode, + binitres->errcode, + binitres->errstring); } else assoc->state = ASSOC_UP; @@ -862,18 +1627,79 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb) } /* - * These functions should be merged. + * Diagnostic in default format, to be returned as either a surrogate + * or non-surrogate diagnostic in the context of an open session, or + * as User-information when an Init is refused. */ - -static void set_addinfo (Z_DefaultDiagFormat *dr, char *addinfo) +static Z_DefaultDiagFormat *justdiag(ODR odr, int error, char *addinfo) { -#if ASN_COMPILED + int *err = odr_intdup(odr, error); + Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *) + odr_malloc (odr, sizeof(*dr)); + + yaz_log(LOG_LOG, "[%d] %s%s%s", error, diagbib1_str(error), + addinfo ? " -- " : "", addinfo ? addinfo : ""); + + dr->diagnosticSetId = + yaz_oidval_to_z3950oid (odr, CLASS_DIAGSET, VAL_BIB1); + dr->condition = err; dr->which = Z_DefaultDiagFormat_v2Addinfo; - dr->u.v2Addinfo = addinfo ? addinfo : ""; -#else - dr->which = Z_DiagForm_v2AddInfo; - dr->addinfo = addinfo ? addinfo : ""; -#endif + dr->u.v2Addinfo = odr_strdup (odr, addinfo ? addinfo : ""); + return dr; +} + +/* + * Set the specified `errcode' and `errstring' into a UserInfo-1 + * external to be returned to the client in accordance with Z35.90 + * Implementor Agreement 5 (Returning diagnostics in an InitResponse): + * http://lcweb.loc.gov/z3950/agency/agree/initdiag.html + */ +static Z_External *init_diagnostics(ODR odr, int error, char *addinfo) +{ + Z_External *x, *x2; + oident oid; + Z_OtherInformation *u; + Z_OtherInformationUnit *l; + Z_DiagnosticFormat *d; + Z_DiagnosticFormat_s *e; + + x = (Z_External*) odr_malloc(odr, sizeof *x); + x->descriptor = 0; + x->indirect_reference = 0; + oid.proto = PROTO_Z3950; + oid.oclass = CLASS_USERINFO; + oid.value = VAL_USERINFO1; + x->direct_reference = odr_oiddup(odr, oid_getoidbyent(&oid)); + x->which = Z_External_userInfo1; + + u = odr_malloc(odr, sizeof *u); + x->u.userInfo1 = u; + u->num_elements = 1; + u->list = (Z_OtherInformationUnit**) odr_malloc(odr, sizeof *u->list); + u->list[0] = (Z_OtherInformationUnit*) odr_malloc(odr, sizeof *u->list[0]); + l = u->list[0]; + l->category = 0; + l->which = Z_OtherInfo_externallyDefinedInfo; + + x2 = (Z_External*) odr_malloc(odr, sizeof *x); + l->information.externallyDefinedInfo = x2; + x2->descriptor = 0; + x2->indirect_reference = 0; + oid.oclass = CLASS_DIAGSET; + oid.value = VAL_DIAG1; + x2->direct_reference = odr_oiddup(odr, oid_getoidbyent(&oid)); + x2->which = Z_External_diag1; + + d = (Z_DiagnosticFormat*) odr_malloc(odr, sizeof *d); + x2->u.diag1 = d; + d->num = 1; + d->elements = (Z_DiagnosticFormat_s**) odr_malloc (odr, sizeof *d->elements); + d->elements[0] = (Z_DiagnosticFormat_s*) odr_malloc (odr, sizeof *d->elements[0]); + e = d->elements[0]; + + e->which = Z_DiagnosticFormat_s_defaultDiagRec; + e->u.defaultDiagRec = justdiag(odr, error, addinfo); + return x; } /* @@ -881,36 +1707,10 @@ static void set_addinfo (Z_DefaultDiagFormat *dr, char *addinfo) */ static Z_Records *diagrec(association *assoc, int error, char *addinfo) { - int oid[OID_SIZE]; - Z_Records *rec = (Z_Records *)odr_malloc (assoc->encode, sizeof(*rec)); - oident bib1; - int *err = (int *)odr_malloc (assoc->encode, sizeof(*err)); - Z_DiagRec *drec = (Z_DiagRec *)odr_malloc (assoc->encode, sizeof(*drec)); - Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)odr_malloc (assoc->encode, sizeof(*dr)); - - bib1.proto = assoc->proto; - bib1.oclass = CLASS_DIAGSET; - bib1.value = VAL_BIB1; - - logf(LOG_DEBUG, "Diagnostic: %d -- %s", error, addinfo ? addinfo : - "NULL"); - *err = error; + Z_Records *rec = (Z_Records *) + odr_malloc (assoc->encode, sizeof(*rec)); rec->which = Z_Records_NSD; -#if ASN_COMPILED - rec->u.nonSurrogateDiagnostic = dr; -#else -#ifdef Z_95 - rec->u.nonSurrogateDiagnostic = drec; - drec->which = Z_DiagRec_defaultFormat; - drec->u.defaultFormat = dr; -#else - rec->u.nonSurrogateDiagnostic = dr; -#endif -#endif - dr->diagnosticSetId = odr_oiddup (assoc->encode, - oid_ent_to_oid(&bib1, oid)); - dr->condition = err; - set_addinfo (dr, addinfo); + rec->u.nonSurrogateDiagnostic = justdiag(assoc->encode, error, addinfo); return rec; } @@ -920,28 +1720,16 @@ static Z_Records *diagrec(association *assoc, int error, char *addinfo) static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname, int error, char *addinfo) { - int oid[OID_SIZE]; - Z_NamePlusRecord *rec = (Z_NamePlusRecord *)odr_malloc (assoc->encode, sizeof(*rec)); - int *err = (int *)odr_malloc (assoc->encode, sizeof(*err)); - oident bib1; + Z_NamePlusRecord *rec = (Z_NamePlusRecord *) + odr_malloc (assoc->encode, sizeof(*rec)); Z_DiagRec *drec = (Z_DiagRec *)odr_malloc (assoc->encode, sizeof(*drec)); - Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)odr_malloc (assoc->encode, sizeof(*dr)); - - bib1.proto = assoc->proto; - bib1.oclass = CLASS_DIAGSET; - bib1.value = VAL_BIB1; - - logf(LOG_DEBUG, "SurrogateDiagnotic: %d -- %s", error, addinfo); - *err = error; + + yaz_log(LOG_DEBUG, "SurrogateDiagnotic: %d -- %s", error, addinfo); rec->databaseName = dbname; rec->which = Z_NamePlusRecord_surrogateDiagnostic; rec->u.surrogateDiagnostic = drec; drec->which = Z_DiagRec_defaultFormat; - drec->u.defaultFormat = dr; - dr->diagnosticSetId = odr_oiddup (assoc->encode, - oid_ent_to_oid(&bib1, oid)); - dr->condition = err; - set_addinfo (dr, addinfo); + drec->u.defaultFormat = justdiag(assoc->encode, error, addinfo); return rec; } @@ -951,50 +1739,43 @@ static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname, */ static Z_DiagRecs *diagrecs(association *assoc, int error, char *addinfo) { - int oid[OID_SIZE]; Z_DiagRecs *recs = (Z_DiagRecs *)odr_malloc (assoc->encode, sizeof(*recs)); - int *err = (int *)odr_malloc (assoc->encode, sizeof(*err)); - oident bib1; + int *err = odr_intdup(assoc->encode, error); Z_DiagRec **recp = (Z_DiagRec **)odr_malloc (assoc->encode, sizeof(*recp)); Z_DiagRec *drec = (Z_DiagRec *)odr_malloc (assoc->encode, sizeof(*drec)); - Z_DefaultDiagFormat *rec = (Z_DefaultDiagFormat *)odr_malloc (assoc->encode, sizeof(*rec)); + Z_DefaultDiagFormat *rec = (Z_DefaultDiagFormat *) + odr_malloc (assoc->encode, sizeof(*rec)); - logf(LOG_DEBUG, "DiagRecs: %d -- %s", error, addinfo); - bib1.proto = assoc->proto; - bib1.oclass = CLASS_DIAGSET; - bib1.value = VAL_BIB1; + yaz_log(LOG_DEBUG, "DiagRecs: %d -- %s", error, addinfo ? addinfo : ""); - *err = error; recs->num_diagRecs = 1; recs->diagRecs = recp; recp[0] = drec; drec->which = Z_DiagRec_defaultFormat; drec->u.defaultFormat = rec; - rec->diagnosticSetId = odr_oiddup (assoc->encode, - oid_ent_to_oid(&bib1, oid)); + rec->diagnosticSetId = + yaz_oidval_to_z3950oid (assoc->encode, CLASS_DIAGSET, VAL_BIB1); rec->condition = err; -#ifdef ASN_COMPILED rec->which = Z_DefaultDiagFormat_v2Addinfo; - rec->u.v2Addinfo = addinfo ? addinfo : ""; -#else - rec->which = Z_DiagForm_v2AddInfo; - rec->addinfo = addinfo ? addinfo : ""; -#endif + rec->u.v2Addinfo = odr_strdup (assoc->encode, addinfo ? addinfo : ""); return recs; } static Z_Records *pack_records(association *a, char *setname, int start, - int *num, Z_RecordComposition *comp, - int *next, int *pres, oid_value format) + int *num, Z_RecordComposition *comp, + int *next, int *pres, oid_value format, + Z_ReferenceId *referenceId, + int *oid) { - int oid[OID_SIZE]; int recno, total_length = 0, toget = *num, dumped_records = 0; - Z_Records *records = (Z_Records *)odr_malloc (a->encode, sizeof(*records)); - Z_NamePlusRecordList *reclist = (Z_NamePlusRecordList *)odr_malloc (a->encode, sizeof(*reclist)); - Z_NamePlusRecord **list = (Z_NamePlusRecord **)odr_malloc (a->encode, sizeof(*list) * toget); - oident recform; + Z_Records *records = + (Z_Records *) odr_malloc (a->encode, sizeof(*records)); + Z_NamePlusRecordList *reclist = + (Z_NamePlusRecordList *) odr_malloc (a->encode, sizeof(*reclist)); + Z_NamePlusRecord **list = + (Z_NamePlusRecord **) odr_malloc (a->encode, sizeof(*list) * toget); records->which = Z_Records_DBOSD; records->u.databaseOrSurDiagnostics = reclist; @@ -1004,166 +1785,126 @@ static Z_Records *pack_records(association *a, char *setname, int start, *num = 0; *next = 0; - logf(LOG_DEBUG, "Request to pack %d+%d", start, toget); - logf(LOG_DEBUG, "pms=%d, mrs=%d", a->preferredMessageSize, + yaz_log(LOG_LOG, "Request to pack %d+%d+%s", start, toget, setname); + yaz_log(LOG_DEBUG, "pms=%d, mrs=%d", a->preferredMessageSize, a->maximumRecordSize); for (recno = start; reclist->num_records < toget; recno++) { - bend_fetchrequest freq; - bend_fetchresult *fres; + bend_fetch_rr freq; Z_NamePlusRecord *thisrec; - Z_DatabaseRecord *thisext; int this_length = 0; - /* * we get the number of bytes allocated on the stream before any * allocation done by the backend - this should give us a reasonable * 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.request_format_raw = oid; + freq.output_format = format; + freq.output_format_raw = 0; freq.stream = a->encode; - freq.surrogate_flag = 0; - if (!(fres = bend_fetch(a->backend, &freq, 0))) - { - *pres = Z_PRES_FAILURE; - return diagrec(a, 2, "Backend interface problem"); - } + freq.print = a->print; + freq.referenceId = referenceId; + freq.schema = 0; + (*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) { + char s[20]; *pres = Z_PRES_FAILURE; - return diagrec(a, fres->errcode, fres->errstring); + /* for 'present request out of range', + set addinfo to record position if not set */ + if (freq.errcode == 13 && freq.errstring == 0) + { + sprintf (s, "%d", recno); + freq.errstring = s; + } + 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; - logf(LOG_DEBUG, " fetched record, len=%d, total=%d", + yaz_log(LOG_DEBUG, " fetched record, len=%d, total=%d", this_length, total_length); if (this_length + total_length > a->preferredMessageSize) { /* record is small enough, really */ if (this_length <= a->preferredMessageSize) { - logf(LOG_DEBUG, " Dropped last normal-sized record"); + yaz_log(LOG_DEBUG, " Dropped last normal-sized record"); *pres = Z_PRES_PARTIAL_2; break; } /* record can only be fetched by itself */ if (this_length < a->maximumRecordSize) { - logf(LOG_DEBUG, " Record > prefmsgsz"); + yaz_log(LOG_DEBUG, " Record > prefmsgsz"); if (toget > 1) { - logf(LOG_DEBUG, " Dropped it"); + 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; } } else /* too big entirely */ { - logf(LOG_DEBUG, "Record > maxrcdsz"); + yaz_log(LOG_LOG, "Record > maxrcdsz this=%d max=%d", this_length, a->maximumRecordSize); 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; } } - if (!(thisrec = (Z_NamePlusRecord *)odr_malloc(a->encode, sizeof(*thisrec)))) + if (!(thisrec = (Z_NamePlusRecord *) + 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; - if (!(thisrec->u.databaseRecord = thisext = (Z_External *)odr_malloc(a->encode, - sizeof(Z_DatabaseRecord)))) - return 0; - recform.proto = a->proto; - recform.oclass = CLASS_RECSYN; - recform.value = fres->format; - thisext->direct_reference = odr_oiddup(a->encode, - oid_ent_to_oid(&recform, oid)); - thisext->indirect_reference = 0; - thisext->descriptor = 0; - if (fres->len < 0) /* Structured data */ - { - switch (fres->format) - { - case VAL_SUTRS: thisext->which = Z_External_sutrs; break; - case VAL_GRS1: thisext->which = Z_External_grs1; break; - case VAL_EXPLAIN: thisext->which = Z_External_explainRecord; - break; - case VAL_SUMMARY: thisext->which = Z_External_summary; break; - case VAL_OPAC: thisext->which = Z_External_OPAC; break; - - default: - logf(LOG_FATAL, "Unknown structured format from backend."); - return 0; - } - - /* - * We cheat on the pointers here. Obviously, the record field - * of the backend-fetch structure should have been a union for - * correctness, but we're stuck with this for backwards - * compatibility. - */ - thisext->u.grs1 = (Z_GenericRecord*) fres->record; - } - else if (fres->format == VAL_SUTRS) /* SUTRS is a single-ASN.1-type */ - { -#if 0 - Z_SUTRS *sutrs = (Z_SUTRS *)odr_malloc(a->encode, 1+fres->len); - - memcpy(sutrs, fres->record, fres->len); - sutrs[fres->len] = '\0'; -#else - Odr_oct *sutrs = (Odr_oct *)odr_malloc(a->encode, sizeof(*sutrs)); - thisext->which = Z_External_sutrs; - thisext->u.sutrs = sutrs; - sutrs->buf = (unsigned char *)odr_malloc(a->encode, fres->len); - sutrs->len = sutrs->size = fres->len; - memcpy(sutrs->buf, fres->record, fres->len); -#endif - } - else /* octet-aligned record. */ + if (freq.output_format_raw) { - thisext->which = Z_External_octet; - if (!(thisext->u.octet_aligned = (Odr_oct *)odr_malloc(a->encode, - sizeof(Odr_oct)))) - return 0; - if (!(thisext->u.octet_aligned->buf = (unsigned char *)odr_malloc(a->encode, - fres->len))) - return 0; - memcpy(thisext->u.octet_aligned->buf, fres->record, fres->len); - thisext->u.octet_aligned->len = thisext->u.octet_aligned->size = - fres->len; + struct oident *ident = oid_getentbyoid(freq.output_format_raw); + freq.output_format = ident->value; } + 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; @@ -1172,16 +1913,27 @@ static Z_Records *pack_records(association *a, char *setname, int start, static Z_APDU *process_searchRequest(association *assoc, request *reqb, int *fd) { - Z_SearchRequest *req = reqb->request->u.searchRequest; - bend_search_rr *bsrr = (bend_search_rr *)nmem_malloc (reqb->request_mem, sizeof(*bsrr)); - - logf(LOG_LOG, "Got SearchRequest."); - save_referenceId (reqb, req->referenceId); - /* store ref id in request */ + Z_SearchRequest *req = reqb->apdu_request->u.searchRequest; + bend_search_rr *bsrr = + (bend_search_rr *)nmem_malloc (reqb->request_mem, sizeof(*bsrr)); + + yaz_log(LOG_LOG, "Got SearchRequest."); bsrr->fd = fd; bsrr->request = reqb; bsrr->association = assoc; - if (assoc->bend_search) + bsrr->referenceId = req->referenceId; + save_referenceId (reqb, bsrr->referenceId); + + yaz_log (LOG_LOG, "ResultSet '%s'", req->resultSetName); + if (req->databaseNames) + { + int i; + for (i = 0; i < req->num_databaseNames; i++) + yaz_log (LOG_LOG, "Database '%s'", req->databaseNames[i]); + } + yaz_log_zquery(req->query); + + if (assoc->init->bend_search) { bsrr->setname = req->resultSetName; bsrr->replace_set = *req->replaceIndicator; @@ -1189,30 +1941,16 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb, bsrr->basenames = req->databaseNames; 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); + bsrr->search_info = NULL; + (assoc->init->bend_search)(assoc->backend, bsrr); if (!bsrr->request) return 0; } - else - { - bend_searchrequest bsrq; - bend_searchresult *bsrt; - - bsrq.setname = req->resultSetName; - bsrq.replace_set = *req->replaceIndicator; - bsrq.num_bases = req->num_databaseNames; - bsrq.basenames = req->databaseNames; - bsrq.query = req->query; - bsrq.stream = assoc->encode; - if (!(bsrt = bend_search(assoc->backend, &bsrq, fd))) - return 0; - bsrr->hits = bsrt->hits; - bsrr->errcode = bsrt->errcode; - bsrr->errstring = bsrt->errstring; - } return response_searchRequest(assoc, reqb, bsrr, fd); } @@ -1228,18 +1966,14 @@ int bend_searchresponse(void *handle, bend_search_rr *bsrr) {return 0;} static Z_APDU *response_searchRequest(association *assoc, request *reqb, bend_search_rr *bsrt, int *fd) { - Z_SearchRequest *req = reqb->request->u.searchRequest; + Z_SearchRequest *req = reqb->apdu_request->u.searchRequest; Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu)); - Z_SearchResponse *resp = (Z_SearchResponse *)odr_malloc (assoc->encode, sizeof(*resp)); - int *nulint = (int *)odr_malloc (assoc->encode, sizeof(*nulint)); - bool_t *sr = (bool_t *)odr_malloc (assoc->encode, sizeof(*sr)); - int *next = (int *)odr_malloc (assoc->encode, sizeof(*next)); - int *none = (int *)odr_malloc (assoc->encode, sizeof(*none)); - - *nulint = 0; - *sr = 1; - *next = 0; - *none = Z_RES_NONE; + Z_SearchResponse *resp = (Z_SearchResponse *) + odr_malloc (assoc->encode, sizeof(*resp)); + int *nulint = odr_intdup (assoc->encode, 0); + bool_t *sr = odr_intdup(assoc->encode, 1); + int *next = odr_intdup(assoc->encode, 0); + int *none = odr_intdup(assoc->encode, Z_RES_NONE); apdu->which = Z_APDU_searchResponse; apdu->u.searchResponse = resp; @@ -1249,7 +1983,7 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb, *fd = -1; if (!bsrt && !bend_searchresponse(assoc->backend, bsrt)) { - logf(LOG_FATAL, "Bad result from backend"); + yaz_log(LOG_FATAL, "Bad result from backend"); return 0; } else if (bsrt->errcode) @@ -1264,12 +1998,12 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb, } else { - int *toget = (int *)odr_malloc (assoc->encode, sizeof(*toget)); - int *presst = (int *)odr_malloc (assoc->encode, sizeof(*presst)); + int *toget = odr_intdup(assoc->encode, 0); + int *presst = odr_intdup(assoc->encode, 0); Z_RecordComposition comp, *compp = 0; - *toget = 0; - *presst = 0; + yaz_log (LOG_LOG, "resultCount: %d", bsrt->hits); + resp->records = 0; resp->resultCount = &bsrt->hits; @@ -1297,13 +2031,13 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb, oident *prefformat; oid_value form; - if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)) || - prefformat->oclass != CLASS_RECSYN) + if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax))) form = VAL_NONE; else form = prefformat->value; resp->records = pack_records(assoc, req->resultSetName, 1, - toget, compp, next, presst, form); + toget, compp, next, presst, form, req->referenceId, + req->preferredRecordSyntax); if (!resp->records) return 0; resp->numberOfRecordsReturned = toget; @@ -1323,6 +2057,7 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb, resp->presentStatus = 0; } } + resp->additionalSearchInfo = bsrt->search_info; return apdu; } @@ -1342,63 +2077,71 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb, * speed - which is normally more true for search than for present. */ static Z_APDU *process_presentRequest(association *assoc, request *reqb, - int *fd) + int *fd) { - Z_PresentRequest *req = reqb->request->u.presentRequest; + Z_PresentRequest *req = reqb->apdu_request->u.presentRequest; oident *prefformat; oid_value form; Z_APDU *apdu; Z_PresentResponse *resp; - int *presst; int *next; int *num; - logf(LOG_LOG, "Got PresentRequest."); + yaz_log(LOG_LOG, "Got PresentRequest."); - if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)) || - prefformat->oclass != CLASS_RECSYN) + if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax))) form = VAL_NONE; else form = prefformat->value; - if (assoc->bend_present) + resp = (Z_PresentResponse *)odr_malloc (assoc->encode, sizeof(*resp)); + resp->records = 0; + resp->presentStatus = odr_intdup(assoc->encode, 0); + if (assoc->init->bend_present) { - bend_present_rr *bprr = (bend_present_rr *)nmem_malloc (reqb->request_mem, sizeof(*bprr)); + bend_present_rr *bprr = (bend_present_rr *) + nmem_malloc (reqb->request_mem, sizeof(*bprr)); bprr->setname = req->resultSetId; bprr->start = *req->resultSetStartPoint; bprr->number = *req->numberOfRecordsRequested; bprr->format = form; 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; + if (bprr->errcode) + { + resp->records = diagrec(assoc, bprr->errcode, bprr->errstring); + *resp->presentStatus = Z_PRES_FAILURE; + } } apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu)); - resp = (Z_PresentResponse *)odr_malloc (assoc->encode, sizeof(*resp)); - presst = (int *)odr_malloc (assoc->encode, sizeof(*presst)); - next = (int *)odr_malloc (assoc->encode, sizeof(*next)); - num = (int *)odr_malloc (assoc->encode, sizeof(*num)); - *presst = 0; - *next = 0; - *num = *req->numberOfRecordsRequested; + next = odr_intdup(assoc->encode, 0); + num = odr_intdup(assoc->encode, 0); apdu->which = Z_APDU_presentResponse; apdu->u.presentResponse = resp; resp->referenceId = req->referenceId; resp->otherInfo = 0; - resp->records = - pack_records(assoc, req->resultSetId, *req->resultSetStartPoint, - num, req->recordComposition, next, presst, form); + if (!resp->records) + { + *num = *req->numberOfRecordsRequested; + resp->records = + pack_records(assoc, req->resultSetId, *req->resultSetStartPoint, + num, req->recordComposition, next, resp->presentStatus, + form, req->referenceId, req->preferredRecordSyntax); + } if (!resp->records) return 0; resp->numberOfRecordsReturned = num; - resp->presentStatus = presst; resp->nextResultSetPosition = next; return apdu; @@ -1410,132 +2153,161 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb, */ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd) { - Z_ScanRequest *req = reqb->request->u.scanRequest; + Z_ScanRequest *req = reqb->apdu_request->u.scanRequest; Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu)); - Z_ScanResponse *res = (Z_ScanResponse *)odr_malloc (assoc->encode, sizeof(*res)); - int *scanStatus = (int *)odr_malloc (assoc->encode, sizeof(*scanStatus)); - int *numberOfEntriesReturned = - (int *)odr_malloc (assoc->encode, sizeof(*numberOfEntriesReturned)); - Z_ListEntries *ents = (Z_ListEntries *)odr_malloc (assoc->encode, sizeof(*ents)); + Z_ScanResponse *res = (Z_ScanResponse *) + odr_malloc (assoc->encode, sizeof(*res)); + int *scanStatus = odr_intdup(assoc->encode, Z_Scan_failure); + int *numberOfEntriesReturned = odr_intdup(assoc->encode, 0); + Z_ListEntries *ents = (Z_ListEntries *) + odr_malloc (assoc->encode, sizeof(*ents)); Z_DiagRecs *diagrecs_p = NULL; - oident *attent; - bend_scanrequest srq; - bend_scanresult *srs; oident *attset; + bend_scan_rr *bsrr = (bend_scan_rr *) + odr_malloc (assoc->encode, sizeof(*bsrr)); + struct scan_entry *save_entries; - logf(LOG_LOG, "Got ScanRequest"); - *scanStatus = Z_Scan_failure; - *numberOfEntriesReturned = 0; + yaz_log(LOG_LOG, "Got ScanRequest"); apdu->which = Z_APDU_scanResponse; apdu->u.scanResponse = res; res->referenceId = req->referenceId; - res->stepSize = 0; + + /* if step is absent, set it to 0 */ + res->stepSize = odr_intdup(assoc->encode, 0); + if (req->stepSize) + *res->stepSize = *req->stepSize; + res->scanStatus = scanStatus; res->numberOfEntriesReturned = numberOfEntriesReturned; res->positionOfTerm = 0; res->entries = ents; -#if ASN_COMPILED ents->num_entries = 0; ents->entries = NULL; ents->num_nonsurrogateDiagnostics = 0; ents->nonsurrogateDiagnostics = NULL; -#else - ents->which = Z_ListEntries_entries; -#endif res->attributeSet = 0; res->otherInfo = 0; - if (req->attributeSet && (!(attent = oid_getentbyoid(req->attributeSet)) || - attent->oclass != CLASS_ATTSET - || attent->value != VAL_BIB1)) - diagrecs_p = diagrecs(assoc, 121, 0); - else if (req->stepSize && *req->stepSize > 0) - diagrecs_p = diagrecs(assoc, 205, 0); + if (req->databaseNames) + { + int i; + for (i = 0; i < req->num_databaseNames; i++) + yaz_log (LOG_LOG, "Database '%s'", req->databaseNames[i]); + } + bsrr->num_bases = req->num_databaseNames; + bsrr->basenames = req->databaseNames; + bsrr->num_entries = *req->numberOfTermsRequested; + bsrr->term = req->termListAndStartPoint; + bsrr->referenceId = req->referenceId; + bsrr->stream = assoc->encode; + bsrr->print = assoc->print; + bsrr->step_size = res->stepSize; + bsrr->entries = 0; + /* Note that version 2.0 of YAZ and older did not set entries .. + We do now. And when we do it's easier to extend the scan entry + We know that if the scan handler did set entries, it will + not know of new member display_term. + */ + if (bsrr->num_entries > 0) + { + int i; + bsrr->entries = odr_malloc(assoc->decode, sizeof(*bsrr->entries) * + bsrr->num_entries); + for (i = 0; inum_entries; i++) + { + bsrr->entries[i].term = 0; + bsrr->entries[i].occurrences = 0; + bsrr->entries[i].errcode = 0; + bsrr->entries[i].errstring = 0; + bsrr->entries[i].display_term = 0; + } + } + save_entries = bsrr->entries; /* save it so we can compare later */ + + if (req->attributeSet && + (attset = oid_getentbyoid(req->attributeSet)) && + (attset->oclass == CLASS_ATTSET || attset->oclass == CLASS_GENERAL)) + bsrr->attributeset = attset->value; + else + bsrr->attributeset = VAL_NONE; + log_scan_term (req->termListAndStartPoint, bsrr->attributeset); + bsrr->term_position = req->preferredPositionInResponse ? + *req->preferredPositionInResponse : 1; + ((int (*)(void *, bend_scan_rr *)) + (*assoc->init->bend_scan))(assoc->backend, bsrr); + if (bsrr->errcode) + diagrecs_p = diagrecs(assoc, bsrr->errcode, bsrr->errstring); else { - if (req->termListAndStartPoint->term->which == Z_Term_general) - logf(LOG_DEBUG, " term: '%.*s'", - req->termListAndStartPoint->term->u.general->len, - req->termListAndStartPoint->term->u.general->buf); - srq.num_bases = req->num_databaseNames; - srq.basenames = req->databaseNames; - srq.num_entries = *req->numberOfTermsRequested; - srq.term = req->termListAndStartPoint; - srq.stream = assoc->encode; - if (!(attset = oid_getentbyoid(req->attributeSet)) || - attset->oclass != CLASS_RECSYN) - srq.attributeset = VAL_NONE; - else - srq.attributeset = attset->value; - srq.term_position = req->preferredPositionInResponse ? - *req->preferredPositionInResponse : 1; - if (!(srs = bend_scan(assoc->backend, &srq, 0))) - diagrecs_p = diagrecs(assoc, 2, 0); - else if (srs->errcode) - diagrecs_p = diagrecs(assoc, srs->errcode, srs->errstring); - else - { - int i; -#ifdef ASN_COMPILED -#else - Z_Entries *list = (Z_Entries *) - odr_malloc (assoc->encode, sizeof(*list)); -#endif - Z_Entry **tab = (Z_Entry **) - odr_malloc (assoc->encode, sizeof(*tab) * srs->num_entries); - - if (srs->status == BEND_SCAN_PARTIAL) - *scanStatus = Z_Scan_partial_5; - else - *scanStatus = Z_Scan_success; -#ifdef ASN_COMPILED - ents->entries = tab; - ents->num_entries = srs->num_entries; - res->numberOfEntriesReturned = &ents->num_entries; -#else - ents->u.entries = list; - list->entries = tab; - list->num_entries = srs->num_entries; - res->numberOfEntriesReturned = &list->num_entries; -#endif - res->positionOfTerm = &srs->term_position; - for (i = 0; i < srs->num_entries; i++) - { - Z_Entry *e; - Z_TermInfo *t; - Odr_oct *o; - - tab[i] = e = (Z_Entry *)odr_malloc(assoc->encode, sizeof(*e)); - e->which = Z_Entry_termInfo; - e->u.termInfo = t = (Z_TermInfo *)odr_malloc(assoc->encode, sizeof(*t)); - t->suggestedAttributes = 0; - t->displayTerm = 0; - t->alternativeTerm = 0; - t->byAttributes = 0; - t->otherTermInfo = 0; - t->globalOccurrences = &srs->entries[i].occurrences; - t->term = (Z_Term *)odr_malloc(assoc->encode, sizeof(*t->term)); - t->term->which = Z_Term_general; - t->term->u.general = o = (Odr_oct *)odr_malloc(assoc->encode, - sizeof(Odr_oct)); - o->buf = (unsigned char *)odr_malloc(assoc->encode, o->len = o->size = - strlen(srs->entries[i].term)); - memcpy(o->buf, srs->entries[i].term, o->len); - logf(LOG_DEBUG, " term #%d: '%s' (%d)", i, - srs->entries[i].term, srs->entries[i].occurrences); - } - } + int i; + Z_Entry **tab = (Z_Entry **) + odr_malloc (assoc->encode, sizeof(*tab) * bsrr->num_entries); + + if (bsrr->status == BEND_SCAN_PARTIAL) + *scanStatus = Z_Scan_partial_5; + else + *scanStatus = Z_Scan_success; + ents->entries = tab; + ents->num_entries = bsrr->num_entries; + res->numberOfEntriesReturned = &ents->num_entries; + res->positionOfTerm = &bsrr->term_position; + for (i = 0; i < bsrr->num_entries; i++) + { + Z_Entry *e; + Z_TermInfo *t; + Odr_oct *o; + + tab[i] = e = (Z_Entry *)odr_malloc(assoc->encode, sizeof(*e)); + if (bsrr->entries[i].occurrences >= 0) + { + e->which = Z_Entry_termInfo; + e->u.termInfo = t = (Z_TermInfo *) + odr_malloc(assoc->encode, sizeof(*t)); + t->suggestedAttributes = 0; + t->displayTerm = 0; + if (save_entries == bsrr->entries && + bsrr->entries[i].display_term) + { + /* the entries was NOT set by the handler. So it's + safe to test for new member display_term. It is + NULL'ed by us. + */ + t->displayTerm = odr_strdup(assoc->encode, + bsrr->entries[i].display_term); + } + t->alternativeTerm = 0; + t->byAttributes = 0; + t->otherTermInfo = 0; + t->globalOccurrences = &bsrr->entries[i].occurrences; + t->term = (Z_Term *) + odr_malloc(assoc->encode, sizeof(*t->term)); + t->term->which = Z_Term_general; + t->term->u.general = o = + (Odr_oct *)odr_malloc(assoc->encode, sizeof(Odr_oct)); + o->buf = (unsigned char *) + odr_malloc(assoc->encode, o->len = o->size = + strlen(bsrr->entries[i].term)); + memcpy(o->buf, bsrr->entries[i].term, o->len); + yaz_log(LOG_DEBUG, " term #%d: '%s' (%d)", i, + bsrr->entries[i].term, bsrr->entries[i].occurrences); + } + else + { + Z_DiagRecs *drecs = diagrecs (assoc, + bsrr->entries[i].errcode, + bsrr->entries[i].errstring); + assert (drecs->num_diagRecs == 1); + e->which = Z_Entry_surrogateDiagnostic; + assert (drecs->diagRecs[0]); + e->u.surrogateDiagnostic = drecs->diagRecs[0]; + } + } } if (diagrecs_p) { -#ifdef ASN_COMPILED ents->num_nonsurrogateDiagnostics = diagrecs_p->num_diagRecs; ents->nonsurrogateDiagnostics = diagrecs_p->diagRecs; -#else - ents->u.nonSurrogateDiagnostics = diagrecs_p; - ents->which = Z_ListEntries_nonSurrogateDiagnostics; -#endif } return apdu; } @@ -1543,52 +2315,45 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd) static Z_APDU *process_sortRequest(association *assoc, request *reqb, int *fd) { - Z_SortRequest *req = reqb->request->u.sortRequest; - Z_SortResponse *res = (Z_SortResponse *)odr_malloc (assoc->encode, sizeof(*res)); - bend_sort_rr *bsrr = (bend_sort_rr *)odr_malloc (assoc->encode, sizeof(*bsrr)); + Z_SortRequest *req = reqb->apdu_request->u.sortRequest; + Z_SortResponse *res = (Z_SortResponse *) + odr_malloc (assoc->encode, sizeof(*res)); + bend_sort_rr *bsrr = (bend_sort_rr *) + odr_malloc (assoc->encode, sizeof(*bsrr)); Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu)); - logf(LOG_LOG, "Got SortRequest."); + yaz_log(LOG_LOG, "Got SortRequest."); -#ifdef ASN_COMPILED bsrr->num_input_setnames = req->num_inputResultSetNames; bsrr->input_setnames = req->inputResultSetNames; -#else - bsrr->num_input_setnames = req->inputResultSetNames->num_strings; - bsrr->input_setnames = req->inputResultSetNames->strings; -#endif + bsrr->referenceId = req->referenceId; 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); - - res->referenceId = req->referenceId; - res->sortStatus = (int *)odr_malloc (assoc->encode, sizeof(*res->sortStatus)); - *res->sortStatus = bsrr->sort_status; + + (*assoc->init->bend_sort)(assoc->backend, bsrr); + + res->referenceId = bsrr->referenceId; + res->sortStatus = odr_intdup(assoc->encode, bsrr->sort_status); res->resultSetStatus = 0; if (bsrr->errcode) { Z_DiagRecs *dr = diagrecs (assoc, bsrr->errcode, bsrr->errstring); -#ifdef ASN_COMPILED res->diagnostics = dr->diagRecs; res->num_diagnostics = dr->num_diagRecs; -#else - res->diagnostics = dr; -#endif } else { -#ifdef ASN_COMPILED res->num_diagnostics = 0; -#endif res->diagnostics = 0; } + res->resultCount = 0; res->otherInfo = 0; apdu->which = Z_APDU_sortResponse; @@ -1599,30 +2364,62 @@ static Z_APDU *process_sortRequest(association *assoc, request *reqb, static Z_APDU *process_deleteRequest(association *assoc, request *reqb, int *fd) { - Z_DeleteResultSetRequest *req = reqb->request->u.deleteResultSetRequest; + Z_DeleteResultSetRequest *req = + reqb->apdu_request->u.deleteResultSetRequest; Z_DeleteResultSetResponse *res = (Z_DeleteResultSetResponse *) odr_malloc (assoc->encode, sizeof(*res)); bend_delete_rr *bdrr = (bend_delete_rr *) odr_malloc (assoc->encode, sizeof(*bdrr)); Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu)); - logf(LOG_LOG, "Got DeleteRequest."); + yaz_log(LOG_LOG, "Got DeleteRequest."); bdrr->num_setnames = req->num_resultSetList; bdrr->setnames = req->resultSetList; bdrr->stream = assoc->encode; + bdrr->print = assoc->print; bdrr->function = *req->deleteFunction; - - ((int (*)(void *, bend_delete_rr *)) - (*assoc->bend_delete))(assoc->backend, bdrr); + bdrr->referenceId = req->referenceId; + bdrr->statuses = 0; + if (bdrr->num_setnames > 0) + { + int i; + bdrr->statuses = (int*) + odr_malloc(assoc->encode, sizeof(*bdrr->statuses) * + bdrr->num_setnames); + for (i = 0; i < bdrr->num_setnames; i++) + bdrr->statuses[i] = 0; + } + (*assoc->init->bend_delete)(assoc->backend, bdrr); res->referenceId = req->referenceId; - res->deleteOperationStatus = (int *) - odr_malloc (assoc->encode, sizeof(*res->deleteOperationStatus)); - *res->deleteOperationStatus = bdrr->delete_status; + res->deleteOperationStatus = odr_intdup(assoc->encode,bdrr->delete_status); res->deleteListStatuses = 0; + if (bdrr->num_setnames > 0) + { + int i; + res->deleteListStatuses = (Z_ListStatuses *) + odr_malloc(assoc->encode, sizeof(*res->deleteListStatuses)); + res->deleteListStatuses->num = bdrr->num_setnames; + res->deleteListStatuses->elements = + (Z_ListStatus **) + odr_malloc (assoc->encode, + sizeof(*res->deleteListStatuses->elements) * + bdrr->num_setnames); + for (i = 0; inum_setnames; i++) + { + res->deleteListStatuses->elements[i] = + (Z_ListStatus *) + odr_malloc (assoc->encode, + sizeof(**res->deleteListStatuses->elements)); + res->deleteListStatuses->elements[i]->status = bdrr->statuses+i; + res->deleteListStatuses->elements[i]->id = + odr_strdup (assoc->encode, bdrr->setnames[i]); + + } + } res->numberNotDeleted = 0; res->bulkStatuses = 0; res->deleteMessage = 0; @@ -1635,7 +2432,7 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb, static void process_close(association *assoc, request *reqb) { - Z_Close *req = reqb->request->u.close; + Z_Close *req = reqb->apdu_request->u.close; static char *reasons[] = { "finished", @@ -1650,13 +2447,13 @@ static void process_close(association *assoc, request *reqb) "unspecified" }; - logf(LOG_LOG, "Got Close, reason %s, message %s", + yaz_log(LOG_LOG, "Got Close, reason %s, message %s", reasons[*req->closeReason], req->diagnosticInformation ? req->diagnosticInformation : "NULL"); if (assoc->version < 3) /* to make do_force respond with close */ assoc->version = 3; - do_close_req(assoc, Z_Close_finished, "Association terminated by client", - reqb); + do_close_req(assoc, Z_Close_finished, + "Association terminated by client", reqb); } void save_referenceId (request *reqb, Z_ReferenceId *refid) @@ -1676,7 +2473,7 @@ void save_referenceId (request *reqb, Z_ReferenceId *refid) void bend_request_send (bend_association a, bend_request req, Z_APDU *res) { - process_response (a, req, res); + process_z_response (a, req, res); } bend_request bend_request_mk (bend_association a) @@ -1707,7 +2504,12 @@ void bend_request_destroy (bend_request *req) int bend_backend_respond (bend_association a, bend_request req) { - return process_request (a, req); + char *msg; + int r; + r = process_z_request (a, req, &msg); + if (r < 0) + yaz_log (LOG_WARN, "%s", msg); + return r; } void bend_request_setdata(bend_request r, void *p) @@ -1720,27 +2522,45 @@ void *bend_request_getdata(bend_request r) return r->clientData; } -/* Chas: Added in from DALI */ +static Z_APDU *process_segmentRequest (association *assoc, request *reqb) +{ + bend_segment_rr req; + + req.segment = reqb->apdu_request->u.segmentRequest; + req.stream = assoc->encode; + req.decode = assoc->decode; + req.print = assoc->print; + req.association = assoc; + + (*assoc->init->bend_segment)(assoc->backend, &req); + + return 0; +} + static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd) { bend_esrequest_rr esrequest; - Z_ExtendedServicesRequest *req = reqb->request->u.extendedServicesRequest; + Z_ExtendedServicesRequest *req = + reqb->apdu_request->u.extendedServicesRequest; Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_extendedServicesResponse); Z_ExtendedServicesResponse *resp = apdu->u.extendedServicesResponse; - logf(LOG_DEBUG,"inside Process esRequest"); + yaz_log(LOG_DEBUG,"inside Process esRequest"); - esrequest.esr = reqb->request->u.extendedServicesRequest; + esrequest.esr = reqb->apdu_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.taskPackage = 0; + 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) @@ -1748,23 +2568,35 @@ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd) resp->referenceId = req->referenceId; - if ( esrequest.errcode == 0 ) + if (esrequest.errcode == -1) + { + /* Backend service indicates request will be processed */ + yaz_log(LOG_DEBUG,"Request could be processed...Accepted !"); + *resp->operationStatus = Z_ExtendedServicesResponse_accepted; + } + else if (esrequest.errcode == 0) { /* Backend service indicates request will be processed */ - logf(LOG_DEBUG,"Request will be processed...Good !"); + yaz_log(LOG_DEBUG,"Request could be processed...Done !"); *resp->operationStatus = Z_ExtendedServicesResponse_done; } else { + Z_DiagRecs *diagRecs = diagrecs (assoc, esrequest.errcode, + esrequest.errstring); + /* Backend indicates error, request will not be processed */ - logf(LOG_DEBUG,"Request will not be processed...BAD !"); + yaz_log(LOG_DEBUG,"Request could not be processed...failure !"); *resp->operationStatus = Z_ExtendedServicesResponse_failure; + resp->num_diagnostics = diagRecs->num_diagRecs; + resp->diagnostics = diagRecs->diagRecs; } /* Do something with the members of bend_extendedservice */ - - logf(LOG_DEBUG,"Send the result apdu"); - + if (esrequest.taskPackage) + resp->taskPackage = z_ext_record (assoc->encode, VAL_EXTENDED, + (const char *) esrequest.taskPackage, + -1); + yaz_log(LOG_DEBUG,"Send the result apdu"); return apdu; } -/* Chas: End of addition from DALI */