-/* $Id: pazpar2.c,v 1.40 2007-01-17 14:01:19 quinn Exp $ */
+/* $Id: pazpar2.c,v 1.53 2007-03-26 14:00:21 marc Exp $ */
#include <stdlib.h>
#include <stdio.h>
#include "reclists.h"
#include "relevance.h"
#include "config.h"
+#include "database.h"
#define MAX_CHUNK 15
static void connection_destroy(struct connection *co);
static int client_prep_connection(struct client *cl);
static void ingest_records(struct client *cl, Z_Records *r);
-static struct conf_retrievalprofile *database_retrieval_profile(struct database *db);
+//static struct conf_retrievalprofile *database_retrieval_profile(struct database *db);
void session_alert_watch(struct session *s, int what);
IOCHAN channel_list = 0; // Master list of connections we're handling events to
static struct connection *connection_freelist = 0;
static struct client *client_freelist = 0;
-static struct host *hosts = 0; // The hosts we know about
-static struct database *databases = 0; // The databases we know about
-
static char *client_states[] = {
"Client_Connecting",
"Client_Connected",
{
"",
"",
+ "",
0,
0,
30,
static void send_init(IOCHAN i)
{
+
struct connection *co = iochan_getdata(i);
struct client *cl = co->client;
Z_APDU *a = zget_APDU(global_parameters.odr_out, Z_APDU_initRequest);
ODR_MASK_SET(a->u.initRequest->protocolVersion, Z_ProtocolVersion_1);
ODR_MASK_SET(a->u.initRequest->protocolVersion, Z_ProtocolVersion_2);
ODR_MASK_SET(a->u.initRequest->protocolVersion, Z_ProtocolVersion_3);
+
+
+ /* add virtual host if tunneling through Z39.50 proxy */
+
+ if (0 < strlen(global_parameters.zproxy_override)
+ && 0 < strlen(cl->database->url))
+ yaz_oi_set_string_oidval(&a->u.initRequest->otherInfo,
+ global_parameters.odr_out, VAL_PROXY,
+ 1, cl->database->url);
+
+
+
if (send_apdu(cl, a) >= 0)
{
iochan_setflags(i, EVENT_INPUT);
for (ndb = 0; db->databases[ndb]; ndb++)
databaselist[ndb] = db->databases[ndb];
- a->u.presentRequest->preferredRecordSyntax =
+ a->u.searchRequest->preferredRecordSyntax =
yaz_oidval_to_z3950oid(global_parameters.odr_out,
CLASS_RECSYN, VAL_USMARC);
a->u.searchRequest->smallSetUpperBound = &ssub;
if (r->presentStatus && !*r->presentStatus && r->records)
{
yaz_log(YLOG_DEBUG, "Records in search response");
- cl->records += *r->numberOfRecordsReturned;
ingest_records(cl, r->records);
}
cl->state = Client_Idle;
termlist_insert(s->termlists[i].termlist, value);
}
-int yaz_marc_write_xml();
-
static xmlDoc *normalize_record(struct client *cl, Z_External *rec)
{
struct conf_retrievalprofile *rprofile = cl->database->rprofile;
yaz_log(YLOG_FATAL, "Unknown native_syntax in normalize_record");
exit(1);
}
+
+ if (global_parameters.dump_records)
+ {
+ fprintf(stderr, "Input Record (normalized):\n----------------\n");
+#if LIBXML_VERSION >= 20600
+ xmlDocFormatDump(stderr, rdoc, 1);
+#else
+ xmlDocDump(stderr, rdoc);
+#endif
+ }
+
for (m = rprofile->maplist; m; m = m->next)
{
xmlDoc *new;
res = nmem_malloc(se->nmem, sizeof(struct record));
res->next = 0;
+ res->client = cl;
res->metadata = nmem_malloc(se->nmem,
sizeof(struct record_metadata*) * service->num_metadata);
memset(res->metadata, 0, sizeof(struct record_metadata*) * service->num_metadata);
newm->next = 0;
if (md->type == Metadata_type_generic)
{
- char *p;
- newm->data.text = nmem_strdup(se->nmem, value);
- for (p = newm->data.text + strlen(newm->data.text) - 1;
- p > newm->data.text && strchr(" ,/.", *p); p--)
- *p = '\0';
+ char *p, *pe;
+ for (p = value; *p && isspace(*p); p++)
+ ;
+ for (pe = p + strlen(p) - 1;
+ pe > p && strchr(" ,/.:([", *pe); pe--)
+ *pe = '\0';
+ newm->data.text = nmem_strdup(se->nmem, p);
}
else if (md->type == Metadata_type_year)
char year[64];
sprintf(year, "%d", last);
add_facet(se, type, year);
+ if (first != last)
+ {
+ sprintf(year, "%d", first);
+ add_facet(se, type, year);
+ }
}
else
add_facet(se, type, value);
int res;
void *addr;
- yaz_log(YLOG_DEBUG, "Connection create %s", cl->database->url);
+
if (!(link = cs_create(tcpip_type, 0, PROTO_Z3950)))
- {
- yaz_log(YLOG_FATAL|YLOG_ERRNO, "Failed to create comstack");
- exit(1);
- }
+ {
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "Failed to create comstack");
+ exit(1);
+ }
+
+ if (0 == strlen(global_parameters.zproxy_override)){
+ /* no Z39.50 proxy needed - direct connect */
+ yaz_log(YLOG_DEBUG, "Connection create %s", cl->database->url);
+
+ if (!(addr = cs_straddr(link, cl->database->host->ipport)))
+ {
+ yaz_log(YLOG_WARN|YLOG_ERRNO,
+ "Lookup of IP address %s failed",
+ cl->database->host->ipport);
+ return 0;
+ }
+
+ } else {
+ /* Z39.50 proxy connect */
+ yaz_log(YLOG_DEBUG, "Connection create %s proxy %s",
+ cl->database->url, global_parameters.zproxy_override);
- if (!(addr = cs_straddr(link, cl->database->host->ipport)))
- {
- yaz_log(YLOG_WARN|YLOG_ERRNO, "Lookup of IP address %s failed?",
- cl->database->host->ipport);
- return 0;
+ yaz_log(YLOG_LOG, "Connection cs_create_host %s proxy %s",
+ cl->database->url, global_parameters.zproxy_override);
+
+ if (!(addr = cs_straddr(link, global_parameters.zproxy_override)))
+ {
+ yaz_log(YLOG_WARN|YLOG_ERRNO,
+ "Lookup of IP address %s failed",
+ global_parameters.zproxy_override);
+ return 0;
+ }
}
res = cs_connect(link, addr);
return 0;
}
+#ifdef GAGA // Moved to database.c
+
// This function will most likely vanish when a proper target profile mechanism is
// introduced.
void load_simpletargets(const char *fn)
while (fgets(line, 255, f))
{
char *url, *db;
+ char *name;
struct host *host;
struct database *database;
if (strncmp(line, "target ", 7))
continue;
+ line[strlen(line) - 1] = '\0';
+
+ if ((name = strchr(line, ';')))
+ *(name++) = '\0';
+
url = line + 7;
- url[strlen(url) - 1] = '\0';
- yaz_log(YLOG_DEBUG, "Target: %s", url);
if ((db = strchr(url, '/')))
*(db++) = '\0';
else
db = "Default";
+ yaz_log(YLOG_LOG, "Target: %s, '%s'", url, db);
for (host = hosts; host; host = host->next)
if (!strcmp(url, host->hostport))
break;
strcpy(database->url, url);
strcat(database->url, "/");
strcat(database->url, db);
+ if (name)
+ database->name = xstrdup(name);
+ else
+ database->name = 0;
database->databases = xmalloc(2 * sizeof(char *));
database->databases[0] = xstrdup(db);
fclose(f);
}
+#endif
+
static void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
{
switch (n->kind)
s->watchlist[what].data = 0;
}
-// This needs to be extended with selection criteria
-static struct conf_retrievalprofile *database_retrieval_profile(struct database *db)
+//callback for grep_databases
+static void select_targets_callback(void *context, struct database *db)
{
- if (!config)
- {
- yaz_log(YLOG_FATAL, "Must load configuration (-f)");
- exit(1);
- }
- if (!config->retrievalprofiles)
- {
- yaz_log(YLOG_FATAL, "No retrieval profiles defined");
- }
- return config->retrievalprofiles;
+ struct session *se = (struct session*) context;
+ struct client *cl = client_create();
+ cl->database = db;
+ cl->session = se;
+ cl->next = se->clients;
+ se->clients = cl;
}
// This should be extended with parameters to control selection criteria
// Associates a set of clients with a session;
-int select_targets(struct session *se)
+int select_targets(struct session *se, struct database_criterion *crit)
{
- struct database *db;
- int c = 0;
-
while (se->clients)
client_destroy(se->clients);
- for (db = databases; db; db = db->next)
- {
- struct client *cl = client_create();
- cl->database = db;
- cl->session = se;
- cl->next = se->clients;
- se->clients = cl;
- c++;
- }
- return c;
+
+ return grep_databases(se, crit, select_targets_callback);
}
int session_active_clients(struct session *s)
return res;
}
-char *search(struct session *se, char *query)
+// parses crit1=val1,crit2=val2|val3,...
+static struct database_criterion *parse_filter(NMEM m, const char *buf)
+{
+ struct database_criterion *res = 0;
+ char **values;
+ int num;
+ int i;
+
+ if (!buf || !*buf)
+ return 0;
+ nmem_strsplit(m, ",", buf, &values, &num);
+ for (i = 0; i < num; i++)
+ {
+ char **subvalues;
+ int subnum;
+ int subi;
+ struct database_criterion *new = nmem_malloc(m, sizeof(*new));
+ char *eq = strchr(values[i], '=');
+ if (!eq)
+ {
+ yaz_log(YLOG_WARN, "Missing equal-sign in filter");
+ return 0;
+ }
+ *(eq++) = '\0';
+ new->name = values[i];
+ nmem_strsplit(m, "|", eq, &subvalues, &subnum);
+ new->values = 0;
+ for (subi = 0; subi < subnum; subi++)
+ {
+ struct database_criterion_value *newv = nmem_malloc(m, sizeof(*newv));
+ newv->value = subvalues[subi];
+ newv->next = new->values;
+ new->values = newv;
+ }
+ new->next = res;
+ res = new;
+ }
+ return res;
+}
+
+char *search(struct session *se, char *query, char *filter)
{
int live_channels = 0;
struct client *cl;
+ struct database_criterion *criteria;
yaz_log(YLOG_DEBUG, "Search");
+ nmem_reset(se->nmem);
+ criteria = parse_filter(se->nmem, filter);
strcpy(se->query, query);
se->requestid++;
- nmem_reset(se->nmem);
+ // Release any existing clients
+ select_targets(se, criteria);
for (cl = se->clients; cl; cl = cl->next)
{
- cl->hits = -1;
- cl->records = 0;
- cl->diagnostic = 0;
-
if (client_prep_connection(cl))
live_channels++;
}
while (s->clients)
client_destroy(s->clients);
nmem_destroy(s->nmem);
- wrbuf_free(s->wrbuf, 1);
+ wrbuf_destroy(s->wrbuf);
}
struct session *new_session()
session->watchlist[i].fun = 0;
}
- select_targets(session);
-
return session;
}
*count = 0;
for (cl = se->clients; cl; cl = cl->next)
{
- strcpy(res[*count].id, cl->database->host->hostport);
+ res[*count].id = cl->database->url;
+ res[*count].name = cl->database->name;
res[*count].hits = cl->hits;
res[*count].records = cl->records;
res[*count].diagnostic = cl->diagnostic;
else
return;
- http_set_proxyaddr(hp);
+ http_set_proxyaddr(hp, ser->myurl ? ser->myurl : "");
}
int main(int argc, char **argv)
yaz_log_init(YLOG_DEFAULT_LEVEL, "pazpar2", 0);
- while ((ret = options("f:x:h:p:C:s:d", argv, argc, &arg)) != -2)
+ while ((ret = options("f:x:h:p:z:C:s:d", argv, argc, &arg)) != -2)
{
switch (ret) {
case 'f':
case 'p':
strcpy(global_parameters.proxy_override, arg);
break;
+ case 'z':
+ strcpy(global_parameters.zproxy_override, arg);
+ break;
case 's':
load_simpletargets(arg);
break;
" -C cclconfig\n"
" -s simpletargetfile\n"
" -p hostname[:portno] (HTTP proxy)\n"
+ " -z hostname[:portno] (Z39.50 proxy)\n"
" -d (show internal records)\n");
exit(1);
}
start_http_listener();
start_proxy();
- global_parameters.ccl_filter = load_cclfile("../etc/default.bib");
+ if (!global_parameters.ccl_filter)
+ global_parameters.ccl_filter = load_cclfile("../etc/default.bib");
global_parameters.yaz_marc = yaz_marc_create();
yaz_marc_subfield_str(global_parameters.yaz_marc, "\t");
global_parameters.odr_in = odr_createmem(ODR_DECODE);
projects / pazpar2-moved-to-github.git / blobdiff