X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Fclient.c;h=0cb4761f2252971ffb65b2a5b0d3bb2ac9379ce0;hb=2819110732a5e3cdc6de71333977ff39d7cf8bf3;hp=964a3cb3af2c59cc4b923d66288e8423d0778642;hpb=8a78bbf3382e2061c68c866a37904e8e14770cf8;p=pazpar2-moved-to-github.git diff --git a/src/client.c b/src/client.c index 964a3cb..0cb4761 100644 --- a/src/client.c +++ b/src/client.c @@ -1,5 +1,5 @@ /* This file is part of Pazpar2. - Copyright (C) 2006-2008 Index Data + Copyright (C) 2006-2009 Index Data Pazpar2 is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -34,14 +34,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #if HAVE_UNISTD_H #include #endif -#if HAVE_SYS_SOCKET_H -#include -#endif -#if HAVE_NETDB_H -#include -#endif #include -#include #include #include @@ -57,16 +50,14 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include #include #include +#include +#include #define USE_TIMING 0 #if USE_TIMING #include #endif -#if HAVE_NETINET_IN_H -#include -#endif - #include "pazpar2.h" #include "client.h" @@ -79,10 +70,9 @@ struct client { struct connection *connection; struct session *session; char *pquery; // Current search + char *cqlquery; // used for SRU targets only int hits; - int records; - int setno; - int requestid; // ID of current outstanding request + int record_offset; int diagnostic; enum client_state state; struct show_raw *show_raw; @@ -103,16 +93,11 @@ struct show_raw { static const char *client_states[] = { "Client_Connecting", - "Client_Connected", "Client_Idle", - "Client_Initializing", - "Client_Searching", - "Client_Presenting", + "Client_Working", "Client_Error", "Client_Failed", - "Client_Disconnected", - "Client_Stopped", - "Client_Continue" + "Client_Disconnected" }; static struct client *client_freelist = 0; @@ -143,7 +128,6 @@ static void client_show_raw_error(struct client *cl, const char *addinfo); // Close connection and set state to error void client_fatal(struct client *cl) { - //client_show_raw_error(cl, "client connection failure"); yaz_log(YLOG_WARN, "Fatal error from %s", client_get_url(cl)); connection_destroy(cl->connection); client_set_state(cl, Client_Error); @@ -169,11 +153,7 @@ const char *client_get_pquery(struct client *cl) return cl->pquery; } -void client_set_requestid(struct client *cl, int id) -{ - cl->requestid = id; -} - +static void client_send_raw_present(struct client *cl); int client_show_raw_begin(struct client *cl, int position, const char *syntax, const char *esn, @@ -219,6 +199,10 @@ int client_show_raw_begin(struct client *cl, int position, { client_show_raw_error(cl, "client disconnected"); } + else + { + client_send_raw_present(cl); + } return 0; } @@ -252,16 +236,7 @@ static void client_show_raw_error(struct client *cl, const char *addinfo) } } -static void client_show_raw_cancel(struct client *cl) -{ - while (cl->show_raw) - { - cl->show_raw->error_handler(cl->show_raw->data, "cancel"); - client_show_raw_dequeue(cl); - } -} - -void client_send_raw_present(struct client *cl) +static void client_send_raw_present(struct client *cl) { struct session_database *sdb = client_get_database(cl); struct connection *co = client_get_connection(cl); @@ -287,75 +262,73 @@ void client_send_raw_present(struct client *cl) elements = cl->show_raw->esn; else elements = session_setting_oneval(sdb, PZ_ELEMENTS); - ZOOM_resultset_option_set(set, "elementSetName", elements); + if (elements && *elements) + ZOOM_resultset_option_set(set, "elementSetName", elements); - ZOOM_resultset_records(set, 0, offset, 1); + ZOOM_resultset_records(set, 0, offset-1, 1); cl->show_raw->active = 1; -} -#ifdef RETIRED + connection_continue(co); +} -static void ingest_raw_records(struct client *cl, Z_Records *r) +static int nativesyntax_to_type(struct session_database *sdb, char *type, ZOOM_record rec) { - Z_NamePlusRecordList *rlist; - Z_NamePlusRecord *npr; - xmlDoc *doc; - xmlChar *buf_out; - int len_out; - if (r->which != Z_Records_DBOSD) - { - client_show_raw_error(cl, "non-surrogate diagnostics"); - return; - } + const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX); - rlist = r->u.databaseOrSurDiagnostics; - if (rlist->num_records != 1 || !rlist->records || !rlist->records[0]) - { - client_show_raw_error(cl, "no records"); - return; - } - npr = rlist->records[0]; - if (npr->which != Z_NamePlusRecord_databaseRecord) + if (s && *s) { - client_show_raw_error(cl, "surrogate diagnostic"); - return; - } - - if (cl->show_raw && cl->show_raw->binary) - { - Z_External *rec = npr->u.databaseRecord; - if (rec->which == Z_External_octet) + if (!strncmp(s, "iso2709", 7)) { - cl->show_raw->record_handler(cl->show_raw->data, - (const char *) - rec->u.octet_aligned->buf, - rec->u.octet_aligned->len); - client_show_raw_dequeue(cl); + const char *cp = strchr(s, ';'); + yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s"); + } + else if (!strncmp(s, "xml", 3)) + { + strcpy(type, "xml"); } else - client_show_raw_error(cl, "no records"); + return -1; + return 0; } - - doc = record_to_xml(client_get_database(cl), npr->u.databaseRecord); - if (!doc) + else /* attempt to deduce structure */ { - client_show_raw_error(cl, "unable to convert record to xml"); - return; + const char *syntax = ZOOM_record_get(rec, "syntax", NULL); + if (syntax) + { + if (!strcmp(syntax, "XML")) + { + strcpy(type, "xml"); + return 0; + } + else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21")) + { + strcpy(type, "xml; charset=marc8-s"); + return 0; + } + else return -1; + } + else return -1; } +} - xmlDocDumpMemory(doc, &buf_out, &len_out); - xmlFreeDoc(doc); +static void ingest_raw_record(struct client *cl, ZOOM_record rec) +{ + const char *buf; + int len; + char type[80]; - if (cl->show_raw) + if (cl->show_raw->binary) + strcpy(type, "raw"); + else { - cl->show_raw->record_handler(cl->show_raw->data, - (const char *) buf_out, len_out); - client_show_raw_dequeue(cl); + struct session_database *sdb = client_get_database(cl); + nativesyntax_to_type(sdb, type, rec); } - xmlFree(buf_out); -} -#endif // RETIRED show raw + buf = ZOOM_record_get(rec, type, &len); + cl->show_raw->record_handler(cl->show_raw->data, buf, len); + client_show_raw_dequeue(cl); +} void client_search_response(struct client *cl) { @@ -368,17 +341,19 @@ void client_search_response(struct client *cl) if (ZOOM_connection_error(link, &error, &addinfo)) { cl->hits = 0; - cl->state = Client_Error; + client_set_state(cl, Client_Error); yaz_log(YLOG_WARN, "Search error %s (%s): %s", error, addinfo, client_get_url(cl)); } else { + cl->record_offset = 0; cl->hits = ZOOM_resultset_size(resultset); se->total_hits += cl->hits; } } + void client_record_response(struct client *cl) { struct connection *co = cl->connection; @@ -388,145 +363,70 @@ void client_record_response(struct client *cl) if (ZOOM_connection_error(link, &error, &addinfo)) { - cl->state = Client_Error; + client_set_state(cl, Client_Error); yaz_log(YLOG_WARN, "Search error %s (%s): %s", error, addinfo, client_get_url(cl)); } else { - ZOOM_record rec; - int offset = cl->records; + ZOOM_record rec = 0; const char *msg, *addinfo; - if ((rec = ZOOM_resultset_record(resultset, offset))) + if (cl->show_raw && cl->show_raw->active) { - yaz_log(YLOG_LOG, "Record with offset %d", offset); - cl->records++; - if (ZOOM_record_error(rec, &msg, &addinfo, 0)) - yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)", - error, addinfo, client_get_url(cl), cl->records); + if ((rec = ZOOM_resultset_record(resultset, + cl->show_raw->position-1))) + { + cl->show_raw->active = 0; + ingest_raw_record(cl, rec); + } else { - struct session_database *sdb = client_get_database(cl); - const char *xmlrec; - char type[128] = "xml"; - const char *nativesyntax = - session_setting_oneval(sdb, PZ_NATIVESYNTAX); - char *cset; - - if (*nativesyntax && (cset = strchr(nativesyntax, ';'))) - sprintf(type, "xml; charset=%s", cset + 1); - - if ((xmlrec = ZOOM_record_get(rec, type, NULL))) + yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d", + cl->show_raw->position-1); + } + } + else + { + int offset = cl->record_offset; + if ((rec = ZOOM_resultset_record(resultset, offset))) + { + cl->record_offset++; + if (ZOOM_record_error(rec, &msg, &addinfo, 0)) + yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)", + error, addinfo, client_get_url(cl), + cl->record_offset); + else { - if (ingest_record(cl, xmlrec, cl->records)) + struct session_database *sdb = client_get_database(cl); + const char *xmlrec; + char type[80]; + if (nativesyntax_to_type(sdb, type, rec)) + yaz_log(YLOG_WARN, "Failed to determine record type"); + if ((xmlrec = ZOOM_record_get(rec, type, NULL))) { - session_alert_watch(cl->session, SESSION_WATCH_SHOW); - session_alert_watch(cl->session, SESSION_WATCH_RECORD); + if (ingest_record(cl, xmlrec, cl->record_offset)) + { + session_alert_watch(cl->session, SESSION_WATCH_SHOW); + session_alert_watch(cl->session, SESSION_WATCH_RECORD); + } + else + yaz_log(YLOG_WARN, "Failed to ingest"); } else - yaz_log(YLOG_WARN, "Failed to ingest"); + yaz_log(YLOG_WARN, "Failed to extract ZOOM record"); } - else - yaz_log(YLOG_WARN, "Failed to extract ZOOM record"); } + else + { + yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d", + offset); + } } - else - yaz_log(YLOG_WARN, "Expected record, but got NULL"); - } -} - -#ifdef RETIRED - -void client_present_response(struct client *cl, Z_APDU *a) -{ - Z_PresentResponse *r = a->u.presentResponse; - Z_Records *recs = r->records; - - if (recs && recs->which == Z_Records_NSD) - { - WRBUF w = wrbuf_alloc(); - - Z_DiagRec dr, *dr_p = &dr; - dr.which = Z_DiagRec_defaultFormat; - dr.u.defaultFormat = recs->u.nonSurrogateDiagnostic; - - wrbuf_printf(w, "Present response NSD %s: ", - cl->database->database->url); - - cl->diagnostic = diag_to_wrbuf(&dr_p, 1, w); - - yaz_log(YLOG_WARN, "%s", wrbuf_cstr(w)); - - cl->state = Client_Error; - wrbuf_destroy(w); - - client_show_raw_error(cl, "non surrogate diagnostics"); - } - else if (recs && recs->which == Z_Records_multipleNSD) - { - WRBUF w = wrbuf_alloc(); - - wrbuf_printf(w, "Present response multipleNSD %s: ", - cl->database->database->url); - cl->diagnostic = - diag_to_wrbuf(recs->u.multipleNonSurDiagnostics->diagRecs, - recs->u.multipleNonSurDiagnostics->num_diagRecs, - w); - yaz_log(YLOG_WARN, "%s", wrbuf_cstr(w)); - cl->state = Client_Error; - wrbuf_destroy(w); - } - else if (recs && !*r->presentStatus && cl->state != Client_Error) - { - yaz_log(YLOG_DEBUG, "Good Present response %s", - cl->database->database->url); - - // we can mix show raw and normal show .. - if (cl->show_raw && cl->show_raw->active) - { - cl->show_raw->active = 0; // no longer active - ingest_raw_records(cl, recs); - } - else - ingest_records(cl, recs); - cl->state = Client_Continue; } - else if (*r->presentStatus) - { - yaz_log(YLOG_WARN, "Bad Present response %s", - cl->database->database->url); - cl->state = Client_Error; - client_show_raw_error(cl, "bad present response"); - } -} - -void client_close_response(struct client *cl, Z_APDU *a) -{ - struct connection *co = cl->connection; - /* Z_Close *r = a->u.close; */ - - yaz_log(YLOG_WARN, "Close response %s", cl->database->database->url); - - cl->state = Client_Failed; - connection_destroy(co); } -#endif // RETIRED show raw - -#ifdef RETIRED -int client_is_our_response(struct client *cl) -{ - struct session *se = client_get_session(cl); - - if (cl && (cl->requestid == se->requestid || - cl->state == Client_Initializing)) - return 1; - return 0; -} -#endif - void client_start_search(struct client *cl) { struct session_database *sdb = client_get_database(cl); @@ -539,12 +439,14 @@ void client_start_search(struct client *cl) const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS); const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX); const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS); + const char *opt_sru = session_setting_oneval(sdb, PZ_SRU); assert(link); cl->hits = -1; - cl->records = 0; + cl->record_offset = 0; cl->diagnostic = 0; + client_set_state(cl, Client_Working); if (*opt_piggyback) ZOOM_connection_option_set(link, "piggyback", opt_piggyback); @@ -552,7 +454,9 @@ void client_start_search(struct client *cl) ZOOM_connection_option_set(link, "piggyback", "1"); if (*opt_queryenc) ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc); - if (*opt_elements) + if (*opt_sru && *opt_elements) + ZOOM_connection_option_set(link, "schema", opt_elements); + else if (*opt_elements) ZOOM_connection_option_set(link, "elementSetName", opt_elements); if (*opt_requestsyn) ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn); @@ -564,14 +468,26 @@ void client_start_search(struct client *cl) sprintf(n, "%d", global_parameters.toget); ZOOM_connection_option_set(link, "count", n); } - if (!databaseName || !*databaseName) - databaseName = "Default"; - ZOOM_connection_option_set(link, "databaseName", databaseName); + if (databaseName) + ZOOM_connection_option_set(link, "databaseName", databaseName); ZOOM_connection_option_set(link, "presentChunk", "20"); - rs = ZOOM_connection_search_pqf(link, cl->pquery); + if (cl->cqlquery) + { + ZOOM_query q = ZOOM_query_create(); + yaz_log(YLOG_LOG, "Search %s CQL: %s", sdb->database->url, cl->cqlquery); + ZOOM_query_cql(q, cl->cqlquery); + rs = ZOOM_connection_search(link, q); + ZOOM_query_destroy(q); + } + else + { + yaz_log(YLOG_LOG, "Search %s PQF: %s", sdb->database->url, cl->pquery); + rs = ZOOM_connection_search_pqf(link, cl->pquery); + } connection_set_resultset(co, rs); + connection_continue(co); } struct client *client_create(void) @@ -585,13 +501,12 @@ struct client *client_create(void) else r = xmalloc(sizeof(struct client)); r->pquery = 0; + r->cqlquery = 0; r->database = 0; r->connection = 0; r->session = 0; r->hits = 0; - r->records = 0; - r->setno = 0; - r->requestid = -1; + r->record_offset = 0; r->diagnostic = 0; r->state = Client_Disconnected; r->show_raw = 0; @@ -613,6 +528,7 @@ void client_destroy(struct client *c) cc->next = c->next; } xfree(c->pquery); + xfree(c->cqlquery); if (c->connection) connection_release(c->connection); @@ -666,13 +582,39 @@ static CCL_bibset prepare_cclmap(struct client *cl) return res; } +// returns a xmalloced CQL query corresponding to the pquery in client +static char *make_cqlquery(struct client *cl) +{ + cql_transform_t cqlt = cql_transform_create(); + Z_RPNQuery *zquery; + char *r; + WRBUF wrb = wrbuf_alloc(); + int status; + + zquery = p_query_rpn(global_parameters.odr_out, cl->pquery); + if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery))) + { + yaz_log(YLOG_WARN, "failed to generate CQL query, code=%d", status); + return 0; + } + r = xstrdup(wrbuf_cstr(wrb)); + + wrbuf_destroy(wrb); + odr_reset(global_parameters.odr_out); // releases the zquery + cql_transform_close(cqlt); + return r; +} + // Parse the query given the settings specific to this client int client_parse_query(struct client *cl, const char *query) { struct session *se = client_get_session(cl); + struct session_database *sdb = client_get_database(cl); struct ccl_rpn_node *cn; int cerror, cpos; CCL_bibset ccl_map = prepare_cclmap(cl); + const char *sru = session_setting_oneval(sdb, PZ_SRU); + const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX); if (!ccl_map) return -1; @@ -681,16 +623,30 @@ int client_parse_query(struct client *cl, const char *query) ccl_qual_rm(&ccl_map); if (!cn) { - cl->state = Client_Error; + client_set_state(cl, Client_Error); yaz_log(YLOG_WARN, "Failed to parse query for %s", client_get_database(cl)->database->url); return -1; } wrbuf_rewind(se->wrbuf); + if (*pqf_prefix) + { + wrbuf_puts(se->wrbuf, pqf_prefix); + wrbuf_puts(se->wrbuf, " "); + } ccl_pquery(se->wrbuf, cn); xfree(cl->pquery); cl->pquery = xstrdup(wrbuf_cstr(se->wrbuf)); + xfree(cl->cqlquery); + if (*sru) + { + if (!(cl->cqlquery = make_cqlquery(cl))) + return -1; + } + else + cl->cqlquery = 0; + if (!se->relevance) { // Initialize relevance structure with query terms @@ -715,8 +671,7 @@ void client_set_session(struct client *cl, struct session *se) int client_is_active(struct client *cl) { - if (cl->connection && (cl->state == Client_Continue || - cl->state == Client_Connecting || + if (cl->connection && (cl->state == Client_Connecting || cl->state == Client_Working)) return 1; return 0; @@ -737,7 +692,7 @@ int client_get_hits(struct client *cl) int client_get_num_records(struct client *cl) { - return cl->records; + return cl->record_offset; } int client_get_diagnostic(struct client *cl)