/*
- * $Id: zoom-c.c,v 1.7 2002-11-15 10:38:37 adam Exp $
+ * Copyright (c) 2000-2003, Index Data
+ * See the file LICENSE for details.
+ *
+ * $Id: zoom-c.c,v 1.28 2003-02-23 14:26:58 adam Exp $
*
* ZOOM layer for C, connections, result sets, queries.
*/
#include <assert.h>
+#include <string.h>
+#include "zoom-p.h"
+
+#include <yaz/yaz-util.h>
#include <yaz/xmalloc.h>
#include <yaz/otherinfo.h>
#include <yaz/log.h>
#include <yaz/pquery.h>
+#include <yaz/marcdisp.h>
#include <yaz/diagbib1.h>
#include <yaz/charneg.h>
#include <yaz/ill.h>
-
-#include "zoom-p.h"
+#include <yaz/srw.h>
#if HAVE_SYS_POLL_H
#include <sys/poll.h>
zoom_complete
} zoom_ret;
-
static zoom_ret ZOOM_connection_send_init (ZOOM_connection c);
static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out);
return event;
}
+
+static void set_dset_error (ZOOM_connection c, int error,
+ const char *dset,
+ const char *addinfo, const char *addinfo2)
+{
+ xfree (c->addinfo);
+ c->addinfo = 0;
+ c->error = error;
+ c->diagset = dset;
+ if (addinfo && addinfo2)
+ {
+ c->addinfo = xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
+ strcpy(c->addinfo, addinfo);
+ strcat(c->addinfo, addinfo2);
+ }
+ else if (addinfo)
+ c->addinfo = xstrdup(addinfo);
+ if (error)
+ yaz_log(LOG_DEBUG, "Error %s %s:%d %s %s",
+ c->host_port ? c->host_port : "<>", dset, error,
+ addinfo ? addinfo : "",
+ addinfo2 ? addinfo2 : "");
+}
+
+static void set_HTTP_error (ZOOM_connection c, int error,
+ const char *addinfo, const char *addinfo2)
+{
+ set_dset_error(c, error, "HTTP", addinfo, addinfo2);
+}
+
+static void set_ZOOM_error (ZOOM_connection c, int error,
+ const char *addinfo)
+{
+ set_dset_error(c, error, "ZOOM", addinfo, 0);
+}
+
static void clear_error (ZOOM_connection c)
{
case ZOOM_ERROR_CONNECTION_LOST:
case ZOOM_ERROR_INIT:
case ZOOM_ERROR_INTERNAL:
+ case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
break;
default:
- c->error = ZOOM_ERROR_NONE;
- xfree (c->addinfo);
- c->addinfo = 0;
+ set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
}
}
}
}
+static int ZOOM_connection_exec_task (ZOOM_connection c);
+
void ZOOM_connection_remove_tasks (ZOOM_connection c)
{
while (c->tasks)
{
ZOOM_connection c = (ZOOM_connection) xmalloc (sizeof(*c));
+ c->proto = PROTO_Z3950;
c->cs = 0;
c->mask = 0;
c->reconnect_ok = 0;
c->state = STATE_IDLE;
- c->error = ZOOM_ERROR_NONE;
c->addinfo = 0;
+ set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
c->buf_in = 0;
c->len_in = 0;
c->buf_out = 0;
c->options = ZOOM_options_create_with_parent(options);
c->host_port = 0;
+ c->path = 0;
c->proxy = 0;
c->charset = c->lang = 0;
c->async = ZOOM_options_get_bool (c->options, "async", 0);
- c->error = ZOOM_ERROR_NONE;
+ set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
task = ZOOM_connection_add_task (c, ZOOM_TASK_CONNECT);
ZOOM_query s = (ZOOM_query) xmalloc (sizeof(*s));
s->refcount = 1;
- s->query = 0;
+ s->z_query = 0;
s->sort_spec = 0;
s->odr = odr_createmem (ODR_ENCODE);
+ s->query_string = 0;
return s;
}
ZOOM_API(int)
ZOOM_query_prefix(ZOOM_query s, const char *str)
{
- s->query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->query));
- s->query->which = Z_Query_type_1;
- s->query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
- if (!s->query->u.type_1)
+ s->query_string = odr_strdup(s->odr, str);
+ s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
+ s->z_query->which = Z_Query_type_1;
+ s->z_query->u.type_1 = p_query_rpn(s->odr, PROTO_Z3950, str);
+ if (!s->z_query->u.type_1)
return -1;
return 0;
}
ZOOM_API(int)
+ZOOM_query_cql(ZOOM_query s, const char *str)
+{
+ Z_External *ext;
+
+ s->query_string = odr_strdup(s->odr, str);
+
+ ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
+ ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
+ ext->indirect_reference = 0;
+ ext->descriptor = 0;
+ ext->which = Z_External_CQL;
+ ext->u.cql = s->query_string;
+
+ s->z_query = (Z_Query *) odr_malloc (s->odr, sizeof(*s->z_query));
+ s->z_query->which = Z_Query_type_104;
+ s->z_query->u.type_104 = ext;
+
+ return 0;
+}
+
+ZOOM_API(int)
ZOOM_query_sortby(ZOOM_query s, const char *criteria)
{
s->sort_spec = yaz_sort_spec (s->odr, criteria);
ZOOM_options_destroy (c->options);
ZOOM_connection_remove_tasks (c);
xfree (c->host_port);
+ xfree (c->path);
xfree (c->proxy);
xfree (c->charset);
xfree (c->lang);
r->start = 0;
r->piggyback = 1;
r->setname = 0;
+ r->schema = 0;
r->count = 0;
r->record_cache = 0;
r->r_sort_spec = 0;
- r->r_query = 0;
- r->search = 0;
+ r->query = 0;
r->connection = 0;
r->next = 0;
return r;
const char *cp;
r->r_sort_spec = q->sort_spec;
- r->r_query = q->query;
- r->search = q;
+ r->query = q;
r->options = ZOOM_options_create_with_parent(c->options);
r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
cp = ZOOM_options_get (r->options, "setname");
if (cp)
- r->setname = xstrdup (cp);
+ r->setname = xstrdup(cp);
+ cp = ZOOM_options_get (r->options, "schema");
+ if (cp)
+ r->schema = xstrdup(cp);
r->connection = c;
r->next = c->resultsets;
c->resultsets = r;
+ if (c->host_port && c->proto == PROTO_HTTP)
+ {
+ if (!c->cs)
+ {
+ yaz_log(LOG_DEBUG, "NO COMSTACK");
+ ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
+ }
+ else
+ {
+ yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
+ c->reconnect_ok = 1;
+ }
+ }
+
task = ZOOM_connection_add_task (c, ZOOM_TASK_SEARCH);
task->u.search.resultset = r;
ZOOM_resultset_addref (r);
rp = &(*rp)->next;
}
}
- ZOOM_query_destroy (r->search);
+ ZOOM_query_destroy (r->query);
ZOOM_options_destroy (r->options);
odr_destroy (r->odr);
xfree (r->setname);
+ xfree (r->schema);
xfree (r);
}
}
{
ZOOM_task task;
ZOOM_connection c;
+ const char *cp;
if (!r)
return;
c = r->connection;
if (!c)
return;
+
+ if (c->host_port && c->proto == PROTO_HTTP)
+ {
+ if (!c->cs)
+ {
+ yaz_log(LOG_DEBUG, "NO COMSTACK");
+ ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
+ }
+ else
+ {
+ yaz_log(LOG_DEBUG, "PREPARE FOR RECONNECT");
+ c->reconnect_ok = 1;
+ }
+ }
task = ZOOM_connection_add_task (c, ZOOM_TASK_RETRIEVE);
task->u.retrieve.resultset = r;
task->u.retrieve.start = start;
task->u.retrieve.count = count;
+ cp = ZOOM_options_get (r->options, "schema");
+ if (cp)
+ {
+ if (!r->schema || strcmp(r->schema, cp))
+ {
+ xfree(r->schema);
+ r->schema = xstrdup(cp);
+ }
+ }
+
ZOOM_resultset_addref (r);
if (!r->connection->async || force_sync)
yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
assert (!c->cs);
- c->cs = cs_create_host (effective_host, 0, &add);
+ if (memcmp(c->host_port, "http:", 5) == 0)
+ {
+#if HAVE_XML2
+ const char *path;
+ c->proto = PROTO_HTTP;
+ effective_host = c->host_port + 5;
+ if (*effective_host == '/')
+ effective_host++;
+ if (*effective_host == '/')
+ effective_host++;
+ if (!(path = strchr(effective_host, '/')))
+ path = "/";
+ xfree(c->path);
+ c->path = xstrdup(path);
+#else
+ c->state = STATE_IDLE;
+ set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
+ return zoom_complete;
+#endif
+ }
+ c->cs = cs_create_host (effective_host, 0, &add);
+
if (c->cs)
{
- int ret = cs_connect (c->cs, add);
+ int ret = cs_connect (c->cs, add);
if (ret == 0)
{
ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_CONNECT);
ZOOM_connection_put_event(c, event);
- ZOOM_connection_send_init(c);
+ if (c->proto == PROTO_Z3950)
+ ZOOM_connection_send_init(c);
+ else
+ {
+ /* no init request for SRW .. */
+ assert (c->tasks->which == ZOOM_TASK_CONNECT);
+ ZOOM_connection_remove_task (c);
+ c->mask = 0;
+ ZOOM_connection_exec_task (c);
+ }
c->state = STATE_ESTABLISHED;
return zoom_pending;
}
else if (ret > 0)
- {
- c->state = STATE_CONNECTING;
+ {
+ c->state = STATE_CONNECTING;
c->mask = ZOOM_SELECT_EXCEPT;
if (c->cs->io_pending & CS_WANT_WRITE)
c->mask += ZOOM_SELECT_WRITE;
if (c->cs->io_pending & CS_WANT_READ)
c->mask += ZOOM_SELECT_READ;
- return zoom_pending;
- }
+ return zoom_pending;
+ }
}
c->state = STATE_IDLE;
- c->error = ZOOM_ERROR_CONNECT;
+ set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
return zoom_complete;
}
odr_destroy(odr_pr);
}
yaz_log (LOG_DEBUG, "encoding failed");
- c->error = ZOOM_ERROR_ENCODE;
+ set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
odr_reset(out);
return -1;
}
return send_APDU (c, apdu);
}
+#if HAVE_XML2
+static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
+{
+ Z_SOAP_Handler h[2] = {
+ {"http://www.loc.gov/zing/srw/v1.0/", 0, (Z_SOAP_fun) yaz_srw_codec},
+ {0, 0, 0}
+ };
+ ODR o = odr_createmem(ODR_ENCODE);
+ int ret;
+ Z_SOAP *p = odr_malloc(o, sizeof(*p));
+ Z_GDU *gdu;
+ ZOOM_Event event;
+
+ gdu = z_get_HTTP_Request(c->odr_out);
+ gdu->u.HTTP_Request->path = c->path;
+ z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
+ "Content-Type", "text/xml");
+ z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
+ "SOAPAction", "\"\"");
+ p->which = Z_SOAP_generic;
+ p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
+ p->u.generic->no = 0;
+ p->u.generic->ns = 0;
+ p->u.generic->p = sr;
+ p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
+
+ ret = z_soap_codec(o, &p,
+ &gdu->u.HTTP_Request->content_buf,
+ &gdu->u.HTTP_Request->content_len, h);
+
+ if (!z_GDU(c->odr_out, &gdu, 0, 0))
+ return zoom_complete;
+ c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
+
+ odr_destroy(o);
+
+ event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
+ ZOOM_connection_put_event (c, event);
+ odr_reset(c->odr_out);
+ return do_write (c);
+}
+#endif
+
+#if HAVE_XML2
+static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
+{
+ int i;
+ ZOOM_resultset resultset = 0;
+ Z_SRW_PDU *sr = 0;
+
+ if (c->error) /* don't continue on error */
+ return zoom_complete;
+ assert (c->tasks);
+ if (c->tasks->which == ZOOM_TASK_SEARCH)
+ {
+ resultset = c->tasks->u.search.resultset;
+ resultset->setname = xstrdup ("default");
+ ZOOM_options_set (resultset->options, "setname", resultset->setname);
+ }
+ else if(c->tasks->which == ZOOM_TASK_RETRIEVE)
+ {
+ resultset = c->tasks->u.retrieve.resultset;
+
+ resultset->start = c->tasks->u.retrieve.start;
+ resultset->count = c->tasks->u.retrieve.count;
+
+ if (resultset->start >= resultset->size)
+ return zoom_complete;
+ if (resultset->start + resultset->count > resultset->size)
+ resultset->count = resultset->size - resultset->start;
+
+ for (i = 0; i<resultset->count; i++)
+ {
+ ZOOM_record rec =
+ record_cache_lookup (resultset, i + resultset->start);
+ if (!rec)
+ break;
+ }
+ if (i == resultset->count)
+ return zoom_complete;
+ }
+ assert(resultset->query);
+
+ sr = yaz_srw_get(c->odr_out, Z_SRW_searchRetrieve_request);
+
+ if (resultset->query->z_query->which == Z_Query_type_104
+ && resultset->query->z_query->u.type_104->which == Z_External_CQL)
+ {
+
+ sr->u.request->query_type = Z_SRW_query_type_cql;
+ sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
+ }
+ else if (resultset->query->z_query->which == Z_Query_type_1 &&
+ resultset->query->z_query->u.type_1)
+ {
+ sr->u.request->query_type = Z_SRW_query_type_pqf;
+ sr->u.request->query.pqf = resultset->query->query_string;
+ }
+ else
+ {
+ set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
+ return zoom_complete;
+ }
+ sr->u.request->startRecord = odr_intdup (c->odr_out, resultset->start + 1);
+ sr->u.request->maximumRecords = odr_intdup (c->odr_out, resultset->count);
+ sr->u.request->recordSchema = resultset->schema;
+
+
+ return send_srw(c, sr);
+}
+#else
+static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
+{
+ return zoom_complete;
+}
+#endif
+
static zoom_ret ZOOM_connection_send_search (ZOOM_connection c)
{
ZOOM_resultset r;
const char *elementSetName;
const char *smallSetElementSetName;
const char *mediumSetElementSetName;
- const char *schema;
assert (c->tasks);
assert (c->tasks->which == ZOOM_TASK_SEARCH);
ZOOM_options_get (r->options, "smallSetElementSetName");
mediumSetElementSetName =
ZOOM_options_get (r->options, "mediumSetElementSetName");
- schema =
- ZOOM_options_get (r->options, "schema");
if (!smallSetElementSetName)
smallSetElementSetName = elementSetName;
mediumSetElementSetName = elementSetName;
assert (r);
- assert (r->r_query);
+ assert (r->query);
/* prepare query for the search request */
- search_req->query = r->r_query;
+ search_req->query = r->query->z_query;
search_req->databaseNames =
set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
*search_req->mediumSetPresentNumber = mspn;
}
else if (r->start == 0 && r->count > 0
- && r->piggyback && !r->r_sort_spec && !schema)
+ && r->piggyback && !r->r_sort_spec && !r->schema)
{
/* Regular piggyback - do it unless we're going to do sort */
*search_req->largeSetLowerBound = 2000000000;
- *search_req->smallSetUpperBound = r->count;
+ *search_req->smallSetUpperBound = 0;
*search_req->mediumSetPresentNumber = r->count;
- smallSetElementSetName = 0; /* no need to provide this */
+ smallSetElementSetName = 0;
}
else
{
static void response_diag (ZOOM_connection c, Z_DiagRec *p)
{
+ int oclass;
Z_DefaultDiagFormat *r;
char *addinfo = 0;
c->addinfo = 0;
if (p->which != Z_DiagRec_defaultFormat)
{
- c->error = ZOOM_ERROR_DECODE;
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
return;
}
r = p->u.defaultFormat;
addinfo = r->u.v3Addinfo;
break;
}
- if (addinfo)
- c->addinfo = xstrdup (addinfo);
- c->error = *r->condition;
+ set_dset_error(c, *r->condition,
+ yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
+ addinfo, 0);
}
ZOOM_API(ZOOM_record)
}
else if (r->which == Z_External_octet)
{
+ yaz_marc_t mt;
switch (ent->value)
{
case VAL_SOIF:
default:
if (!rec->wrbuf_marc)
rec->wrbuf_marc = wrbuf_alloc();
+
+ mt = yaz_marc_create();
wrbuf_rewind (rec->wrbuf_marc);
- if (yaz_marc_decode ((const char *)
- r->u.octet_aligned->buf,
- rec->wrbuf_marc, 0,
- r->u.octet_aligned->len,
- 0) > 0)
+ if (yaz_marc_decode_wrbuf (
+ mt, (const char *) r->u.octet_aligned->buf,
+ r->u.octet_aligned->len,
+ rec->wrbuf_marc) > 0)
{
- if (len) *len = wrbuf_len(rec->wrbuf_marc);
+ if (len)
+ *len = wrbuf_len(rec->wrbuf_marc);
+ yaz_marc_destroy(mt);
return wrbuf_buf(rec->wrbuf_marc);
}
+ yaz_marc_destroy(mt);
}
- if (len) *len = r->u.octet_aligned->len;
+ if (len)
+ *len = r->u.octet_aligned->len;
return (const char *) r->u.octet_aligned->buf;
}
else if (r->which == Z_External_grs1)
}
return 0;
}
- else if (!strcmp (type, "xml") &&
- npr->which == Z_NamePlusRecord_databaseRecord)
+ else if (npr->which == Z_NamePlusRecord_databaseRecord &&
+ (!strcmp (type, "xml") || !strcmp(type, "oai")))
{
Z_External *r = (Z_External *) npr->u.databaseRecord;
oident *ent = oid_getentbyoid(r->direct_reference);
}
else if (r->which == Z_External_octet)
{
+ yaz_marc_t mt;
+ int marc_decode_type = YAZ_MARC_MARCXML;
+
+ if (!strcmp(type, "oai"))
+ marc_decode_type = YAZ_MARC_OAIMARC;
switch (ent->value)
{
case VAL_SOIF:
if (!rec->wrbuf_marc)
rec->wrbuf_marc = wrbuf_alloc();
wrbuf_rewind (rec->wrbuf_marc);
- if (yaz_marc_decode ((const char *)
- r->u.octet_aligned->buf,
- rec->wrbuf_marc, 0,
- r->u.octet_aligned->len,
- 2) > 0)
+ mt = yaz_marc_create();
+
+ yaz_marc_xml(mt, YAZ_MARC_MARCXML);
+ if (yaz_marc_decode_wrbuf (
+ mt, (const char *) r->u.octet_aligned->buf,
+ r->u.octet_aligned->len,
+ rec->wrbuf_marc) > 0)
{
- if (len) *len = wrbuf_len(rec->wrbuf_marc);
+ if (len)
+ *len = wrbuf_len(rec->wrbuf_marc);
+ yaz_marc_destroy(mt);
return wrbuf_buf(rec->wrbuf_marc);
}
+ yaz_marc_destroy(mt);
}
if (len) *len = r->u.octet_aligned->len;
return (const char *) r->u.octet_aligned->buf;
return 0;
}
-static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr, int pos)
+static int strcmp_null(const char *v1, const char *v2)
+{
+ if (!v1 && !v2)
+ return 0;
+ if (!v1 || !v2)
+ return -1;
+ return strcmp(v1, v2);
+}
+
+static void record_cache_add (ZOOM_resultset r, Z_NamePlusRecord *npr,
+ int pos)
{
ZOOM_record_cache rc;
const char *elementSetName =
const char *syntax =
ZOOM_resultset_option_get (r, "preferredRecordSyntax");
-
for (rc = r->record_cache; rc; rc = rc->next)
{
if (pos == rc->pos)
{
- if ((!elementSetName && !rc->elementSetName)
- || (elementSetName && rc->elementSetName &&
- !strcmp (elementSetName, rc->elementSetName)))
- {
- if ((!syntax && !rc->syntax)
- || (syntax && rc->syntax &&
- !strcmp (syntax, rc->syntax)))
- {
- /* not destroying rc->npr (it's handled by nmem )*/
- rc->rec.npr = npr;
- /* keeping wrbuf_marc too */
- return;
- }
- }
+ if (strcmp_null(r->schema, rc->schema))
+ continue;
+ if (strcmp_null(elementSetName,rc->elementSetName))
+ continue;
+ if (strcmp_null(syntax, rc->syntax))
+ continue;
+ /* not destroying rc->npr (it's handled by nmem )*/
+ rc->rec.npr = npr;
+ /* keeping wrbuf_marc too */
+ return;
}
}
rc = (ZOOM_record_cache) odr_malloc (r->odr, sizeof(*rc));
else
rc->syntax = 0;
+ if (r->schema)
+ rc->schema = odr_strdup (r->odr, r->schema);
+ else
+ rc->schema = 0;
+
rc->pos = pos;
rc->next = r->record_cache;
r->record_cache = rc;
{
if (pos == rc->pos)
{
- if ((!elementSetName && !rc->elementSetName)
- || (elementSetName && rc->elementSetName &&
- !strcmp (elementSetName, rc->elementSetName)))
- {
- if ((!syntax && !rc->syntax)
- || (syntax && rc->syntax &&
- !strcmp (syntax, rc->syntax)))
- return &rc->rec;
- }
+ if (strcmp_null(r->schema, rc->schema))
+ continue;
+ if (strcmp_null(elementSetName,rc->elementSetName))
+ continue;
+ if (strcmp_null(syntax, rc->syntax))
+ continue;
+ return &rc->rec;
}
}
return 0;
if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
else
- c->error = ZOOM_ERROR_DECODE;
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
}
else
{
if (present_phase && p->num_records == 0)
{
/* present response and we didn't get any records! */
- c->error = ZOOM_ERROR_DECODE;
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
}
}
else if (present_phase)
{
/* present response and we didn't get any records! */
- c->error = ZOOM_ERROR_DECODE;
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
}
}
}
int i = 0;
const char *syntax = 0;
const char *elementSetName = 0;
- const char *schema = 0;
ZOOM_resultset resultset;
if (!c->tasks)
syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
- schema = ZOOM_resultset_option_get (resultset, "schema");
if (c->error) /* don't continue on error */
return zoom_complete;
req->preferredRecordSyntax =
yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
- if (schema && *schema)
+ if (resultset->schema && *resultset->schema)
{
Z_RecordComposition *compo = (Z_RecordComposition *)
odr_malloc (c->odr_out, sizeof(*compo));
compo->u.complex->generic = (Z_Specification *)
odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
- compo->u.complex->generic->schema = (Odr_oid *)
- yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, schema);
+ compo->u.complex->generic->which = Z_Schema_oid;
+ compo->u.complex->generic->schema.oid = (Odr_oid *)
+ yaz_str_to_z3950oid (c->odr_out, CLASS_SCHEMA, resultset->schema);
- if (!compo->u.complex->generic->schema)
+ if (!compo->u.complex->generic->schema.oid)
{
/* OID wasn't a schema! Try record syntax instead. */
- compo->u.complex->generic->schema = (Odr_oid *)
- yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, schema);
+ compo->u.complex->generic->schema.oid = (Odr_oid *)
+ yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
}
if (elementSetName && *elementSetName)
{
return ZOOM_options_get (p->options, key);
}
+
ZOOM_API(void)
ZOOM_package_option_set (ZOOM_package p, const char *key,
const char *val)
}
yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
task->which, task->running);
- if (c->error != ZOOM_ERROR_NONE ||
- (!c->cs && task->which != ZOOM_TASK_CONNECT))
+ if (c->error != ZOOM_ERROR_NONE)
{
yaz_log (LOG_DEBUG, "remove tasks because of error = %d", c->error);
ZOOM_connection_remove_tasks (c);
return 0;
}
task->running = 1;
- switch (task->which)
+ ret = zoom_complete;
+ if (c->cs || task->which == ZOOM_TASK_CONNECT)
{
- case ZOOM_TASK_SEARCH:
- ret = ZOOM_connection_send_search (c);
- break;
- case ZOOM_TASK_RETRIEVE:
- ret = send_present (c);
- break;
- case ZOOM_TASK_CONNECT:
- ret = do_connect(c);
- break;
- case ZOOM_TASK_SCAN:
- ret = send_scan(c);
- break;
- case ZOOM_TASK_PACKAGE:
- ret = send_package(c);
- break;
+ switch (task->which)
+ {
+ case ZOOM_TASK_SEARCH:
+ if (c->proto == PROTO_HTTP)
+ ret = ZOOM_connection_srw_send_search(c);
+ else
+ ret = ZOOM_connection_send_search(c);
+ break;
+ case ZOOM_TASK_RETRIEVE:
+ if (c->proto == PROTO_HTTP)
+ ret = ZOOM_connection_srw_send_search(c);
+ else
+ ret = send_present (c);
+ break;
+ case ZOOM_TASK_CONNECT:
+ ret = do_connect(c);
+ break;
+ case ZOOM_TASK_SCAN:
+ ret = send_scan(c);
+ break;
+ case ZOOM_TASK_PACKAGE:
+ ret = send_package(c);
+ break;
+ }
+ }
+ else
+ {
+ yaz_log (LOG_DEBUG, "remove tasks because no connection exist");
+ ZOOM_connection_remove_tasks (c);
}
if (ret == zoom_complete)
{
{
case Z_APDU_initResponse:
initrs = apdu->u.initResponse;
+ ZOOM_connection_option_set(c, "targetImplementationId",
+ initrs->implementationId ?
+ initrs->implementationId : "");
+ ZOOM_connection_option_set(c, "targetImplementationName",
+ initrs->implementationName ?
+ initrs->implementationName : "");
+ ZOOM_connection_option_set(c, "targetImplementationVersion",
+ initrs->implementationVersion ?
+ initrs->implementationVersion : "");
if (!*initrs->result)
{
- c->error = ZOOM_ERROR_INIT;
+ set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
}
else
{
}
else
{
- c->error = ZOOM_ERROR_CONNECTION_LOST;
+ set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
do_close(c);
}
break;
default:
- c->error = ZOOM_ERROR_DECODE;
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
do_close(c);
}
}
+#if HAVE_XML2
+static void handle_srw_response(ZOOM_connection c,
+ Z_SRW_searchRetrieveResponse *res)
+{
+ ZOOM_resultset resultset = 0;
+ int i;
+ NMEM nmem;
+
+ if (!c->tasks)
+ return;
+
+ if (c->tasks->which == ZOOM_TASK_SEARCH)
+ resultset = c->tasks->u.search.resultset;
+ else if (c->tasks->which == ZOOM_TASK_RETRIEVE)
+ resultset = c->tasks->u.retrieve.resultset;
+ else
+ return ;
+
+ resultset->size = 0;
+
+ yaz_log(LOG_DEBUG, "got SRW response OK");
+
+ if (res->numberOfRecords)
+ resultset->size = *res->numberOfRecords;
+
+ for (i = 0; i<res->num_records; i++)
+ {
+ int pos;
+
+ Z_NamePlusRecord *npr = (Z_NamePlusRecord *)
+ odr_malloc(c->odr_in, sizeof(Z_NamePlusRecord));
+
+ if (res->records[i].recordPosition &&
+ *res->records[i].recordPosition > 0)
+ pos = *res->records[i].recordPosition - 1;
+ else
+ pos = resultset->start + i;
+
+ npr->databaseName = 0;
+ npr->which = Z_NamePlusRecord_databaseRecord;
+ npr->u.databaseRecord = (Z_External *)
+ odr_malloc(c->odr_in, sizeof(Z_External));
+ npr->u.databaseRecord->descriptor = 0;
+ npr->u.databaseRecord->direct_reference =
+ yaz_oidval_to_z3950oid(c->odr_in, CLASS_RECSYN, VAL_TEXT_XML);
+ npr->u.databaseRecord->which = Z_External_octet;
+ npr->u.databaseRecord->u.octet_aligned = (Odr_oct *)
+ odr_malloc(c->odr_in, sizeof(Odr_oct));
+ npr->u.databaseRecord->u.octet_aligned->buf =
+ res->records[i].recordData_buf;
+ npr->u.databaseRecord->u.octet_aligned->len =
+ npr->u.databaseRecord->u.octet_aligned->size =
+ res->records[i].recordData_len;
+ record_cache_add (resultset, npr, pos);
+ }
+ if (res->num_diagnostics > 0)
+ {
+ set_dset_error(c, *res->diagnostics[0].code, "SRW",
+ res->diagnostics[0].details, 0);
+ }
+ nmem = odr_extract_mem(c->odr_in);
+ nmem_transfer(resultset->odr->mem, nmem);
+ nmem_destroy(nmem);
+}
+#endif
+
+#if HAVE_XML2
+static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
+{
+ int ret = -1;
+ const char *content_type = z_HTTP_header_lookup(hres->headers,
+ "Content-Type");
+ const char *connection_head = z_HTTP_header_lookup(hres->headers,
+ "Connection");
+ c->mask = 0;
+ yaz_log (LOG_DEBUG, "handle_http");
+
+ if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
+ {
+ Z_SOAP *soap_package = 0;
+ ODR o = odr_createmem(ODR_DECODE);
+ Z_SOAP_Handler soap_handlers[2] = {
+ {"http://www.loc.gov/zing/srw/v1.0/", 0,
+ (Z_SOAP_fun) yaz_srw_codec},
+ {0, 0, 0}
+ };
+ ret = z_soap_codec(o, &soap_package,
+ &hres->content_buf, &hres->content_len,
+ soap_handlers);
+ if (!ret && soap_package->which == Z_SOAP_generic &&
+ soap_package->u.generic->no == 0)
+ {
+ Z_SRW_PDU *sr = soap_package->u.generic->p;
+ if (sr->which == Z_SRW_searchRetrieve_response)
+ handle_srw_response(c, sr->u.response);
+ else
+ ret = -1;
+ }
+ else if (!ret && (soap_package->which == Z_SOAP_fault
+ || soap_package->which == Z_SOAP_error))
+ {
+ set_HTTP_error(c, hres->code,
+ soap_package->u.fault->fault_code,
+ soap_package->u.fault->fault_string);
+ }
+ else
+ ret = -1;
+ odr_destroy(o);
+ }
+ if (ret)
+ {
+ if (hres->code != 200)
+ set_HTTP_error(c, hres->code, 0, 0);
+ else
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
+ do_close (c);
+ }
+ ZOOM_connection_remove_task(c);
+ if (!strcmp(hres->version, "1.0"))
+ {
+ /* HTTP 1.0: only if Keep-Alive we stay alive.. */
+ if (!connection_head || strcmp(connection_head, "Keep-Alive"))
+ do_close(c);
+ }
+ else
+ {
+ /* HTTP 1.1: only if no close we stay alive .. */
+ if (connection_head && !strcmp(connection_head, "close"))
+ do_close(c);
+ }
+}
+#endif
+
static int do_read (ZOOM_connection c)
{
int r;
- Z_APDU *apdu;
ZOOM_Event event;
event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
}
else
{
- c->error= ZOOM_ERROR_CONNECTION_LOST;
+ set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
do_close (c);
}
}
else
{
+ Z_GDU *gdu;
ZOOM_Event event;
odr_reset (c->odr_in);
odr_setbuf (c->odr_in, c->buf_in, r, 0);
event = ZOOM_Event_create (ZOOM_EVENT_RECV_APDU);
ZOOM_connection_put_event (c, event);
- if (!z_APDU (c->odr_in, &apdu, 0, 0))
+
+ if (!z_GDU (c->odr_in, &gdu, 0, 0))
{
- c->error = ZOOM_ERROR_DECODE;
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
do_close (c);
}
- else
- handle_apdu (c, apdu);
+ else if (gdu->which == Z_GDU_Z3950)
+ handle_apdu (c, gdu->u.z3950);
+ else if (gdu->which == Z_GDU_HTTP_Response)
+ {
+#if HAVE_XML2
+ handle_http (c, gdu->u.HTTP_Response);
+#else
+ set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
+ do_close (c);
+#endif
+ }
c->reconnect_ok = 0;
}
return 1;
yaz_log (LOG_DEBUG, "reconnect write");
c->tasks->running = 0;
ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
- return zoom_complete;
+ return zoom_pending;
}
if (c->state == STATE_CONNECTING)
- c->error = ZOOM_ERROR_CONNECT;
+ set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
else
- c->error = ZOOM_ERROR_CONNECTION_LOST;
+ set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
do_close (c);
return zoom_complete;
}
return addinfo;
}
+ZOOM_API(const char *)
+ZOOM_diag_str (int error)
+{
+ switch (error)
+ {
+ case ZOOM_ERROR_NONE:
+ return "No error";
+ case ZOOM_ERROR_CONNECT:
+ return "Connect failed";
+ case ZOOM_ERROR_MEMORY:
+ return "Out of memory";
+ case ZOOM_ERROR_ENCODE:
+ return "Encoding failed";
+ case ZOOM_ERROR_DECODE:
+ return "Decoding failed";
+ case ZOOM_ERROR_CONNECTION_LOST:
+ return "Connection lost";
+ case ZOOM_ERROR_INIT:
+ return "Init rejected";
+ case ZOOM_ERROR_INTERNAL:
+ return "Internal failure";
+ case ZOOM_ERROR_TIMEOUT:
+ return "Timeout";
+ case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
+ return "Unsupported protocol";
+ case ZOOM_ERROR_UNSUPPORTED_QUERY:
+ return "Unsupported query type";
+ default:
+ return diagbib1_str (error);
+ }
+}
+
ZOOM_API(int)
-ZOOM_connection_error (ZOOM_connection c, const char **cp,
- const char **addinfo)
+ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
+ const char **addinfo, const char **diagset)
{
int error = c->error;
if (cp)
{
- switch (error)
- {
- case ZOOM_ERROR_NONE:
- *cp = "No error"; break;
- case ZOOM_ERROR_CONNECT:
- *cp = "Connect failed"; break;
- case ZOOM_ERROR_MEMORY:
- *cp = "Out of memory"; break;
- case ZOOM_ERROR_ENCODE:
- *cp = "Encoding failed"; break;
- case ZOOM_ERROR_DECODE:
- *cp = "Decoding failed"; break;
- case ZOOM_ERROR_CONNECTION_LOST:
- *cp = "Connection lost"; break;
- case ZOOM_ERROR_INIT:
- *cp = "Init rejected"; break;
- case ZOOM_ERROR_INTERNAL:
- *cp = "Internal failure"; break;
- case ZOOM_ERROR_TIMEOUT:
- *cp = "Timeout"; break;
- default:
- *cp = diagbib1_str (error);
- }
+ if (!c->diagset || !strcmp(c->diagset, "ZOOM"))
+ *cp = ZOOM_diag_str(error);
+ else if (!strcmp(c->diagset, "HTTP"))
+ *cp = z_HTTP_errmsg(c->error);
+ else if (!strcmp(c->diagset, "Bib-1"))
+ *cp = ZOOM_diag_str(error);
+ else if (!strcmp(c->diagset, "SRW"))
+ *cp = yaz_diag_srw_str(c->error);
+ else
+ *cp = "Unknown error and diagnostic set";
}
if (addinfo)
- {
- if (c->addinfo)
- *addinfo = c->addinfo;
- else
- *addinfo = "";
- }
+ *addinfo = c->addinfo ? c->addinfo : "";
+ if (diagset)
+ *diagset = c->diagset ? c->diagset : "";
return c->error;
}
+ZOOM_API(int)
+ZOOM_connection_error (ZOOM_connection c, const char **cp,
+ const char **addinfo)
+{
+ return ZOOM_connection_error_x(c, cp, addinfo, 0);
+}
+
static int ZOOM_connection_do_io(ZOOM_connection c, int mask)
{
ZOOM_Event event = 0;
if (r == CS_NONE)
{
event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
- c->error = ZOOM_ERROR_CONNECT;
+ set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
do_close (c);
ZOOM_connection_put_event (c, event);
}
else if (ret == 0)
{
ZOOM_connection_put_event (c, event);
- ZOOM_connection_send_init (c);
+ if (c->proto == PROTO_Z3950)
+ ZOOM_connection_send_init(c);
+ else
+ {
+ /* no init request for SRW .. */
+ assert (c->tasks->which == ZOOM_TASK_CONNECT);
+ ZOOM_connection_remove_task (c);
+ c->mask = 0;
+ ZOOM_connection_exec_task (c);
+ }
c->state = STATE_ESTABLISHED;
}
else
{
- c->error = ZOOM_ERROR_CONNECT;
+ set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
do_close (c);
ZOOM_connection_put_event (c, event);
}
{
ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
/* timeout and this connection was waiting */
- c->error = ZOOM_ERROR_TIMEOUT;
+ set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
do_close (c);
ZOOM_connection_put_event(c, event);
}
{
ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
/* timeout and this connection was waiting */
- c->error = ZOOM_ERROR_TIMEOUT;
+ set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
do_close (c);
yaz_log (LOG_DEBUG, "timeout");
ZOOM_connection_put_event(c, event);
projects / yaz-moved-to-github.git / blobdiff