#include <metaproxy/package.hpp>
#include <metaproxy/util.hpp>
#include <metaproxy/xmlutil.hpp>
+#include <yaz/comstack.h>
+#include <yaz/poll.h>
#include "torus.hpp"
#include <libxslt/xsltutils.h>
friend class Impl;
friend class Frontend;
std::string zurl;
- WRBUF m_apdu_wrbuf;
+ mp::wrbuf m_apdu_wrbuf;
ZOOM_connection m_connection;
ZOOM_resultset m_resultset;
std::string m_frontend_database;
SearchablePtr sptr;
xsltStylesheetPtr xsp;
- std::string content_session_id;
+ std::string cproxy_host;
bool enable_cproxy;
bool enable_explain;
xmlDoc *explain_doc;
int *error,
char **addinfo,
mp::odr &odr,
- int *proxy_step);
+ int *proxy_step,
+ std::string &proxy);
bool create_content_session(mp::Package &package,
BackendPtr b,
const char *element_set_name,
bool &enable_pz2_retrieval,
bool &enable_pz2_transform,
+ bool &enable_record_transform,
bool &assume_marc8_charset);
Z_Records *get_records(Package &package,
const char *path);
private:
void configure_local_records(const xmlNode * ptr, bool test_only);
+ bool check_proxy(const char *proxy);
FrontendPtr get_frontend(mp::Package &package);
void release_frontend(mp::Package &package);
SearchablePtr parse_torus_record(const xmlNode *ptr);
std::string file_path;
std::string content_proxy_server;
std::string content_tmp_file;
+ std::string content_config_file;
bool apdu_log;
CCL_bibset bibset;
std::string element_transform;
std::string element_raw;
std::string proxy;
xsltStylesheetPtr explain_xsp;
+ xsltStylesheetPtr record_xsp;
std::map<std::string,SearchablePtr> s_map;
+ std::string zoom_timeout;
+ int proxy_timeout;
};
}
}
yf::Zoom::Backend::Backend()
{
- m_apdu_wrbuf = wrbuf_alloc();
m_connection = ZOOM_connection_create(0);
ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
m_resultset = 0;
xmlFreeDoc(explain_doc);
ZOOM_connection_destroy(m_connection);
ZOOM_resultset_destroy(m_resultset);
- wrbuf_destroy(m_apdu_wrbuf);
}
*error = yaz_diag_srw_to_bib1(error0);
else if (!strcmp(dset, "Bib-1"))
*error = error0;
+ else if (!strcmp(dset, "ZOOM"))
+ {
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ if (error0 == ZOOM_ERROR_INIT)
+ *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
+ else if (error0 == ZOOM_ERROR_DECODE)
+ {
+ if (zoom_addinfo)
+ {
+ if (strstr(zoom_addinfo, "Authentication") ||
+ strstr(zoom_addinfo, "authentication"))
+ *error = YAZ_BIB1_INIT_AC_AUTHENTICATION_SYSTEM_ERROR;
+ }
+ }
+ }
else
*error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
int *error, char **addinfo,
ODR odr)
{
- ZOOM_connection_connect(m_connection, zurl.c_str(), 0);
+ ZOOM_connection_connect(m_connection, zurl.length() ? zurl.c_str() : 0, 0);
get_zoom_error(error, addinfo, odr);
}
piggyback = true;
use_turbomarc = true;
sortStrategy = "embed";
- urlRecipe = "${md-electronic-url}";
ccl_bibset = ccl_qual_dup(base);
}
}
yf::Zoom::Impl::Impl() :
- apdu_log(false), element_transform("pz2") , element_raw("raw")
+ apdu_log(false), element_transform("pz2") , element_raw("raw"),
+ zoom_timeout("40"), proxy_timeout(1)
{
bibset = ccl_qual_mk();
explain_xsp = 0;
+ record_xsp = 0;
srand((unsigned int) time(0));
}
const char *path)
{
std::string explain_xslt_fname;
+ std::string record_xslt_fname;
- content_tmp_file = "/tmp/cf.XXXXXX.p";
if (path && *path)
{
file_path = path;
proxy = mp::xml::get_text(attr->children);
else if (!strcmp((const char *) attr->name, "explain_xsl"))
explain_xslt_fname = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "record_xsl"))
+ record_xslt_fname = mp::xml::get_text(attr->children);
else
throw mp::filter::FilterException(
"Bad attribute " + std::string((const char *)
for (attr = ptr->properties; attr; attr = attr->next)
{
if (!strcmp((const char *) attr->name, "server"))
+ {
+ yaz_log(YLOG_WARN,
+ "contentProxy's server attribute is deprecated");
+ yaz_log(YLOG_LOG,
+ "Specify config_file instead. For example:");
+ yaz_log(YLOG_LOG,
+ " content_file=\"/etc/cf-proxy/cproxy.cfg\"");
content_proxy_server = mp::xml::get_text(attr->children);
+ }
else if (!strcmp((const char *) attr->name, "tmp_file"))
content_tmp_file = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "config_file"))
+ content_config_file = mp::xml::get_text(attr->children);
else
throw mp::filter::FilterException(
"Bad attribute " + std::string((const char *)
attr->name));
}
}
+ else if (!strcmp((const char *) ptr->name, "zoom"))
+ {
+ const struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "timeout"))
+ zoom_timeout = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "proxy_timeout"))
+ proxy_timeout = mp::xml::get_int(attr->children, 1);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ }
else
{
throw mp::filter::FilterException
}
}
+
+ if (record_xslt_fname.length())
+ {
+ const char *path = 0;
+
+ if (xsldir.length())
+ path = xsldir.c_str();
+ else
+ path = file_path.c_str();
+
+ char fullpath[1024];
+ char *cp = yaz_filepath_resolve(record_xslt_fname.c_str(),
+ path, 0, fullpath);
+ if (!cp)
+ {
+ throw mp::filter::FilterException
+ ("Cannot read XSLT " + record_xslt_fname);
+ }
+
+ xmlDoc *xsp_doc = xmlParseFile(cp);
+ if (!xsp_doc)
+ {
+ throw mp::filter::FilterException
+ ("Cannot parse XSLT " + record_xslt_fname);
+ }
+
+ record_xsp = xsltParseStylesheetDoc(xsp_doc);
+ if (!record_xsp)
+ {
+ xmlFreeDoc(xsp_doc);
+ throw mp::filter::FilterException
+ ("Cannot parse XSLT " + record_xslt_fname);
+
+ }
+ }
}
bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
{
if (b->sptr->contentConnector.length())
{
- char *fname = (char *) xmalloc(m_p->content_tmp_file.length() + 8);
- strcpy(fname, m_p->content_tmp_file.c_str());
+ std::string proxyhostname;
+ std::string tmp_file;
+ bool legacy_format = false;
+
+ if (m_p->content_proxy_server.length())
+ {
+ proxyhostname = m_p->content_proxy_server;
+ legacy_format = true;
+ }
+
+ if (m_p->content_tmp_file.length())
+ tmp_file = m_p->content_tmp_file;
+
+ if (m_p->content_config_file.length())
+ {
+ FILE *inf = fopen(m_p->content_config_file.c_str(), "r");
+ if (inf)
+ {
+ char buf[1024];
+ while (fgets(buf, sizeof(buf)-1, inf))
+ {
+ char *cp;
+ cp = strchr(buf, '#');
+ if (cp)
+ *cp = '\0';
+ cp = strchr(buf, '\n');
+ if (cp)
+ *cp = '\0';
+ cp = strchr(buf, ':');
+ if (cp)
+ {
+ char *cp1 = cp;
+ while (cp1 != buf && cp1[-1] == ' ')
+ cp1--;
+ *cp1 = '\0';
+ cp++;
+ while (*cp == ' ')
+ cp++;
+ if (!strcmp(buf, "proxyhostname"))
+ proxyhostname = cp;
+ if (!strcmp(buf, "sessiondir") && *cp)
+ {
+ if (cp[strlen(cp)-1] == '/')
+ cp[strlen(cp)-1] = '\0';
+ tmp_file = std::string(cp) + std::string("/cf.XXXXXX.p");
+ }
+ }
+ }
+ fclose(inf);
+ }
+ else
+ {
+ package.log("zoom", YLOG_WARN|YLOG_ERRNO,
+ "unable to open content config %s",
+ m_p->content_config_file.c_str());
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *) odr_malloc(odr, 60 + tmp_file.length());
+ sprintf(*addinfo, "unable to open content config %s",
+ m_p->content_config_file.c_str());
+ return false;
+ }
+ }
+
+ if (proxyhostname.length() == 0)
+ {
+ package.log("zoom", YLOG_WARN, "no proxyhostname");
+ return true;
+ }
+ if (tmp_file.length() == 0)
+ {
+ package.log("zoom", YLOG_WARN, "no tmp_file");
+ return true;
+ }
+
+ char *fname = xstrdup(tmp_file.c_str());
char *xx = strstr(fname, "XXXXXX");
if (!xx)
{
- xx = fname + strlen(fname);
- strcat(fname, "XXXXXX");
+ package.log("zoom", YLOG_WARN, "bad tmp_file %s", tmp_file.c_str());
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *) odr_malloc(odr, 60 + tmp_file.length());
+ sprintf(*addinfo, "bad format of content tmp_file: %s",
+ tmp_file.c_str());
+ xfree(fname);
+ return false;
}
char tmp_char = xx[6];
sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
+ if (legacy_format)
+ b->cproxy_host = std::string(xx) + "." + proxyhostname;
+ else
+ b->cproxy_host = proxyhostname + "/" + xx;
xx[6] = tmp_char;
FILE *file = fopen(fname, "w");
xfree(fname);
return false;
}
- b->content_session_id.assign(xx, 6);
- WRBUF w = wrbuf_alloc();
+ mp::wrbuf w;
wrbuf_puts(w, "#content_proxy\n");
wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
if (authentication.length())
if (realm.length())
wrbuf_printf(w, "realm: %s\n", realm.c_str());
- fwrite(wrbuf_buf(w), 1, wrbuf_len(w), file);
+ fwrite(w.buf(), 1, w.len(), file);
fclose(file);
package.log("zoom", YLOG_LOG, "content file: %s", fname);
xfree(fname);
- wrbuf_destroy(w);
}
return true;
}
yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
mp::Package &package,
std::string &database, int *error, char **addinfo, mp::odr &odr,
- int *proxy_step)
+ int *proxy_step, std::string &proxy)
{
+ proxy.clear();
std::list<BackendPtr>::const_iterator map_it;
if (m_backend && !m_backend->enable_explain &&
m_backend->m_frontend_database == database)
+ {
+ m_backend->connect("", error, addinfo, odr);
return m_backend;
+ }
std::string input_args;
std::string torus_db;
std::string authentication;
std::string content_authentication;
- std::string proxy;
std::string content_proxy;
std::string realm = m_p->default_realm;
if (!doc)
{
*error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
- *addinfo = odr_strdup(odr, database.c_str());
+ *addinfo = odr_strdup(odr, torus_db.c_str());
BackendPtr b;
return b;
}
if (!sptr)
{
*error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
- *addinfo = odr_strdup(odr, database.c_str());
+ *addinfo = odr_strdup(odr, torus_db.c_str());
BackendPtr b;
return b;
}
if (sptr->query_encoding.length())
b->set_option("rpnCharset", sptr->query_encoding);
- b->set_option("timeout", "40");
+ b->set_option("timeout", m_p->zoom_timeout.c_str());
if (m_p->apdu_log)
b->set_option("apdulog", "1");
const char *element_set_name,
bool &enable_pz2_retrieval,
bool &enable_pz2_transform,
+ bool &enable_record_transform,
bool &assume_marc8_charset)
-
{
char oid_name_str[OID_STR_MAX];
const char *syntax_name = 0;
if (preferredRecordSyntax &&
- !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml)
- && element_set_name)
+ !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml))
{
- if (!strcmp(element_set_name, m_p->element_transform.c_str()))
+ if (element_set_name &&
+ !strcmp(element_set_name, m_p->element_transform.c_str()))
{
enable_pz2_retrieval = true;
enable_pz2_transform = true;
}
- else if (!strcmp(element_set_name, m_p->element_raw.c_str()))
+ else if (element_set_name &&
+ !strcmp(element_set_name, m_p->element_raw.c_str()))
+ {
+ enable_pz2_retrieval = true;
+ }
+ else if (m_p->record_xsp)
{
enable_pz2_retrieval = true;
+ enable_pz2_transform = true;
+ enable_record_transform = true;
}
}
bool enable_pz2_retrieval = false; // whether target profile is used
bool enable_pz2_transform = false; // whether XSLT is used as well
bool assume_marc8_charset = false;
+ bool enable_record_transform = false;
prepare_elements(b, preferredRecordSyntax,
element_set_name,
enable_pz2_retrieval,
enable_pz2_transform,
+ enable_record_transform,
assume_marc8_charset);
package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
}
if (i > 0)
{ // only return records if no error and at least one record
+
+ const char *xsl_parms[3];
+ mp::wrbuf cproxy_host;
+
+ if (b->enable_cproxy && b->cproxy_host.length())
+ {
+ wrbuf_puts(cproxy_host, "\"");
+ wrbuf_puts(cproxy_host, b->cproxy_host.c_str());
+ wrbuf_puts(cproxy_host, "/\"");
+
+ xsl_parms[0] = "cproxyhost";
+ xsl_parms[1] = wrbuf_cstr(cproxy_host);
+ xsl_parms[2] = 0;
+ }
+ else
+ {
+ xsl_parms[0] = 0;
+ }
+
char *odr_database = odr_strdup(odr,
b->m_frontend_database.c_str());
Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
}
else
{
- xmlDoc *rec_res =
- xsltApplyStylesheet(b->xsp, rec_doc, 0);
+ // first stage XSLT - per target
+ xsltStylesheetPtr xsp = b->xsp;
+ xmlDoc *rec_res = xsltApplyStylesheet(xsp, rec_doc,
+ xsl_parms);
+ // insert generated-url
+ if (rec_res)
+ {
+ std::string res =
+ mp::xml::url_recipe_handle(rec_res,
+ b->sptr->urlRecipe);
+ if (res.length())
+ {
+ xmlNode *ptr = xmlDocGetRootElement(rec_res);
+ while (ptr && ptr->type != XML_ELEMENT_NODE)
+ ptr = ptr->next;
+ xmlNode *c =
+ xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
+ xmlNewProp(c, BAD_CAST "type", BAD_CAST
+ "generated-url");
+ xmlNode * t = xmlNewText(BAD_CAST res.c_str());
+ xmlAddChild(c, t);
+ }
+ }
+ // second stage XSLT - common
+ if (rec_res && m_p->record_xsp &&
+ enable_record_transform)
+ {
+ xmlDoc *tmp_doc = rec_res;
+ xsp = m_p->record_xsp;
+ rec_res = xsltApplyStylesheet(xsp, tmp_doc,
+ xsl_parms);
+ xmlFreeDoc(tmp_doc);
+ }
+ // get result out of it
if (rec_res)
{
xsltSaveResultToString(&xmlrec_buf, &rec_len,
- rec_res, b->xsp);
+ rec_res, xsp);
rec_buf = (const char *) xmlrec_buf;
- package.log("zoom", YLOG_LOG, "xslt successful");
package.log_write(rec_buf, rec_len);
xmlFreeDoc(rec_res);
}
}
- if (rec_buf && b->enable_cproxy)
- {
- xmlDoc *doc = xmlParseMemory(rec_buf, rec_len);
- std::string res =
- mp::xml::url_recipe_handle(doc, b->sptr->urlRecipe);
- if (res.length() && b->content_session_id.length())
- {
- size_t off = res.find_first_of("://");
- if (off != std::string::npos)
- {
- char tmp[1024];
- sprintf(tmp, "%s.%s/",
- b->content_session_id.c_str(),
- m_p->content_proxy_server.c_str());
- res.insert(off + 3, tmp);
- }
- }
- if (res.length())
- {
- xmlNode *ptr = xmlDocGetRootElement(doc);
- while (ptr && ptr->type != XML_ELEMENT_NODE)
- ptr = ptr->next;
- xmlNode *c =
- xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
- xmlNewProp(c, BAD_CAST "type", BAD_CAST
- "generated-url");
- xmlNode * t = xmlNewText(BAD_CAST res.c_str());
- xmlAddChild(c, t);
-
- if (xmlrec_buf)
- xmlFree(xmlrec_buf);
-
- xmlDocDumpMemory(doc, &xmlrec_buf, &rec_len);
- rec_buf = (const char *) xmlrec_buf;
- }
- xmlFreeDoc(doc);
- }
if (!npr)
{
if (!rec_buf)
{
*error = YAZ_BIB1_UNSPECIFIED_ERROR;
*addinfo =
- odr_strdup(odr, "IR-Explain---1 unsupported. torus explain_xsl not defined");
+ odr_strdup(odr, "IR-Explain---1 unsupported. "
+ "Torus explain_xsl not defined");
return m_backend;
}
else if (query->which == Z_Query_type_104 &&
if (!doc)
{
*error = YAZ_BIB1_UNSPECIFIED_ERROR;
- *addinfo = odr_strdup(odr, "IR-Explain--1 problem. "
+ *addinfo = odr_strdup(odr, "IR-Explain---1 problem. "
"Could not obtain Torus records for Explain");
}
else
}
}
+static bool wait_conn(COMSTACK cs, int secs)
+{
+ struct yaz_poll_fd pfd;
+
+ yaz_poll_add(pfd.input_mask, yaz_poll_except);
+ if (cs->io_pending && CS_WANT_WRITE)
+ yaz_poll_add(pfd.input_mask, yaz_poll_write);
+ else if (cs->io_pending & CS_WANT_READ)
+ yaz_poll_add(pfd.input_mask, yaz_poll_read);
+
+ pfd.fd = cs_fileno(cs);
+ pfd.client_data = 0;
+
+ int ret = yaz_poll(&pfd, 1, secs, 0);
+ return ret > 0;
+}
+
+bool yf::Zoom::Impl::check_proxy(const char *proxy)
+{
+ COMSTACK conn = 0;
+ const char *uri = "http://localhost/";
+ void *add;
+ mp::odr odr;
+ bool outcome = false;
+ conn = cs_create_host_proxy(uri, 0, &add, proxy);
+
+ if (!conn)
+ return false;
+
+ Z_GDU *gdu = z_get_HTTP_Request_uri(odr, uri, 0, 1);
+ gdu->u.HTTP_Request->method = odr_strdup(odr, "GET");
+
+ if (z_GDU(odr, &gdu, 0, 0))
+ {
+ int len;
+ char *buf = odr_getbuf(odr, &len, 0);
+
+ int ret = cs_connect(conn, add);
+ if (ret > 0 || (ret == 0 && wait_conn(conn, 1)))
+ {
+ while (1)
+ {
+ ret = cs_put(conn, buf, len);
+ if (ret != 1)
+ break;
+ if (!wait_conn(conn, proxy_timeout))
+ break;
+ }
+ }
+ }
+ cs_close(conn);
+ return outcome;
+}
+
void yf::Zoom::Frontend::handle_search(mp::Package &package)
{
Z_GDU *gdu = package.request().get();
return;
}
int proxy_step = 0;
+ int same_retries = 0;
+ int proxy_retries = 0;
next_proxy:
int error = 0;
char *addinfo = 0;
std::string db(sr->databaseNames[0]);
+ std::string proxy;
BackendPtr b = get_backend_from_databases(package, db, &error,
- &addinfo, odr, &proxy_step);
- if (error && proxy_step)
+ &addinfo, odr, &proxy_step,
+ proxy);
+
+ if (error)
{
- package.log("zoom", YLOG_WARN,
- "create backend failed: trying next proxy");
- goto next_proxy;
+ if (proxy.length() && !m_p->check_proxy(proxy.c_str()))
+ {
+ if (proxy_step) // there is a failover
+ {
+ proxy_retries++;
+ package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
+ m_backend.reset();
+ goto next_proxy;
+ }
+ error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ addinfo = odr_strdup(odr, "proxy failure");
+ }
+ else if (same_retries == 0 && proxy_retries == 0)
+ {
+ same_retries++;
+ package.log("zoom", YLOG_WARN, "search failed: trying first proxy");
+ m_backend.reset();
+ proxy_step = 0;
+ goto next_proxy;
+ }
}
if (error)
{
bool enable_pz2_retrieval = false;
bool enable_pz2_transform = false;
+ bool enable_record_transform = false;
bool assume_marc8_charset = false;
prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
enable_pz2_retrieval,
enable_pz2_transform,
+ enable_record_transform,
assume_marc8_charset);
Odr_int hits = 0;
Z_Query *query = sr->query;
- WRBUF ccl_wrbuf = 0;
- WRBUF pqf_wrbuf = 0;
+ mp::wrbuf ccl_wrbuf;
+ mp::wrbuf pqf_wrbuf;
std::string sortkeys;
if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
{
// RPN
- pqf_wrbuf = wrbuf_alloc();
yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
}
else if (query->which == Z_Query_type_2)
{
// CCL
- ccl_wrbuf = wrbuf_alloc();
wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
query->u.type_2->len);
}
return;
}
- WRBUF sru_sortkeys_wrbuf = wrbuf_alloc();
+ mp::wrbuf sru_sortkeys_wrbuf;
if (cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf))
{
error = YAZ_BIB1_ILLEGAL_SORT_RELATION;
log_diagnostic(package, error, addinfo);
apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
package.response() = apdu_res;
- wrbuf_destroy(sru_sortkeys_wrbuf);
cql_parser_destroy(cp);
return;
}
- WRBUF sort_spec_wrbuf = wrbuf_alloc();
+ mp::wrbuf sort_spec_wrbuf;
yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
sort_spec_wrbuf);
- wrbuf_destroy(sru_sortkeys_wrbuf);
-
- ccl_wrbuf = wrbuf_alloc();
wrbuf_puts(ccl_wrbuf, ccl_buf);
yaz_tok_cfg_t tc = yaz_tok_cfg_create();
}
}
yaz_tok_parse_destroy(tp);
- wrbuf_destroy(sort_spec_wrbuf);
-
cql_parser_destroy(cp);
}
else
return;
}
- if (ccl_wrbuf)
+ if (ccl_wrbuf.len())
{
// CCL to PQF
- assert(pqf_wrbuf == 0);
+ assert(pqf_wrbuf.len() == 0);
int cerror, cpos;
struct ccl_rpn_node *cn;
package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
&cerror, &cpos);
- wrbuf_destroy(ccl_wrbuf);
if (!cn)
{
- char *addinfo = odr_strdup(odr, ccl_err_msg(cerror));
+ char *addinfo = odr_strdup_null(odr, ccl_err_msg(cerror));
error = YAZ_BIB1_MALFORMED_QUERY;
switch (cerror)
package.response() = apdu_res;
return;
}
- pqf_wrbuf = wrbuf_alloc();
ccl_pquery(pqf_wrbuf, cn);
package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
ccl_rpn_delete(cn);
}
- assert(pqf_wrbuf);
+ assert(pqf_wrbuf.len());
ZOOM_query q = ZOOM_query_create();
ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
int status = 0;
Z_RPNQuery *zquery;
zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
- WRBUF wrb = wrbuf_alloc();
+ mp::wrbuf wrb;
if (!strcmp(b->get_option("sru"), "solr"))
{
}
ZOOM_query_destroy(q);
- wrbuf_destroy(wrb);
- wrbuf_destroy(pqf_wrbuf);
if (status)
{
error = YAZ_BIB1_MALFORMED_QUERY;
package.log("zoom", YLOG_LOG, "search PQF: %s", wrbuf_cstr(pqf_wrbuf));
b->search(q, &hits, &error, &addinfo, odr);
ZOOM_query_destroy(q);
- wrbuf_destroy(pqf_wrbuf);
}
- if (error && proxy_step)
+ if (error)
{
- // reset below prevent reuse in get_backend_from_databases
- m_backend.reset();
- package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
- goto next_proxy;
+ if (proxy.length() && !m_p->check_proxy(proxy.c_str()))
+ {
+ if (proxy_step) // there is a failover
+ {
+ proxy_retries++;
+ package.log("zoom", YLOG_WARN, "search failed: trying next proxy");
+ m_backend.reset();
+ goto next_proxy;
+ }
+ error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ addinfo = odr_strdup(odr, "proxy failure");
+ }
+ else if (same_retries == 0 && proxy_retries == 0)
+ {
+ same_retries++;
+ package.log("zoom", YLOG_WARN, "search failed: trying first proxy");
+ m_backend.reset();
+ proxy_step = 0;
+ goto next_proxy;
+ }
}
const char *element_set_name = 0;