+++ /dev/null
-/*
- * Copyright (c) 2000-2003, Index Data
- * See the file LICENSE for details.
- *
- * $Id: zoom-c.c,v 1.41 2003-08-19 12:32:29 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 <yaz/srw.h>
-
-#if HAVE_SYS_POLL_H
-#include <sys/poll.h>
-#endif
-
-typedef enum {
- zoom_pending,
- 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);
-
-static ZOOM_Event ZOOM_Event_create (int kind)
-{
- ZOOM_Event event = (ZOOM_Event) xmalloc (sizeof(*event));
- event->kind = kind;
- event->next = 0;
- event->prev = 0;
- return event;
-}
-
-static void ZOOM_Event_destroy (ZOOM_Event event)
-{
- xfree (event);
-}
-
-static void ZOOM_connection_put_event (ZOOM_connection c, ZOOM_Event event)
-{
- if (c->m_queue_back)
- {
- c->m_queue_back->prev = event;
- assert (c->m_queue_front);
- }
- else
- {
- assert (!c->m_queue_front);
- c->m_queue_front = event;
- }
- event->next = c->m_queue_back;
- event->prev = 0;
- c->m_queue_back = event;
-}
-
-static ZOOM_Event ZOOM_connection_get_event(ZOOM_connection c)
-{
- ZOOM_Event event = c->m_queue_front;
- if (!event)
- {
- c->last_event = ZOOM_EVENT_NONE;
- return 0;
- }
- assert (c->m_queue_back);
- c->m_queue_front = event->prev;
- if (c->m_queue_front)
- {
- assert (c->m_queue_back);
- c->m_queue_front->next = 0;
- }
- else
- c->m_queue_back = 0;
- c->last_event = event->kind;
- 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 : "");
-}
-
-#if HAVE_XML2
-static void set_HTTP_error (ZOOM_connection c, int error,
- const char *addinfo, const char *addinfo2)
-{
- set_dset_error(c, error, "HTTP", addinfo, addinfo2);
-}
-#endif
-
-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)
-{
-
- switch (c->error)
- {
- case ZOOM_ERROR_CONNECT:
- case ZOOM_ERROR_MEMORY:
- case ZOOM_ERROR_DECODE:
- case ZOOM_ERROR_CONNECTION_LOST:
- case ZOOM_ERROR_INIT:
- case ZOOM_ERROR_INTERNAL:
- case ZOOM_ERROR_UNSUPPORTED_PROTOCOL:
- break;
- default:
- set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
- }
-}
-
-ZOOM_task ZOOM_connection_add_task (ZOOM_connection c, int which)
-{
- ZOOM_task *taskp = &c->tasks;
- while (*taskp)
- taskp = &(*taskp)->next;
- *taskp = (ZOOM_task) xmalloc (sizeof(**taskp));
- (*taskp)->running = 0;
- (*taskp)->which = which;
- (*taskp)->next = 0;
- clear_error (c);
- return *taskp;
-}
-
-ZOOM_task ZOOM_connection_insert_task (ZOOM_connection c, int which)
-{
- ZOOM_task task = (ZOOM_task) xmalloc (sizeof(*task));
-
- task->next = c->tasks;
- c->tasks = task;
-
- task->running = 0;
- task->which = which;
- clear_error (c);
- return task;
-}
-
-void ZOOM_connection_remove_task (ZOOM_connection c)
-{
- ZOOM_task task = c->tasks;
-
- if (task)
- {
- c->tasks = task->next;
- switch (task->which)
- {
- case ZOOM_TASK_SEARCH:
-
- ZOOM_resultset_destroy (task->u.search.resultset);
- break;
- case ZOOM_TASK_RETRIEVE:
- ZOOM_resultset_destroy (task->u.retrieve.resultset);
- break;
- case ZOOM_TASK_CONNECT:
- break;
- case ZOOM_TASK_SCAN:
- ZOOM_scanset_destroy (task->u.scan.scan);
- break;
- case ZOOM_TASK_PACKAGE:
- ZOOM_package_destroy (task->u.package);
- break;
- default:
- assert (0);
- }
- xfree (task);
- }
-}
-
-static int ZOOM_connection_exec_task (ZOOM_connection c);
-
-void ZOOM_connection_remove_tasks (ZOOM_connection c)
-{
- while (c->tasks)
- ZOOM_connection_remove_task(c);
-}
-
-static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos);
-
-ZOOM_API(ZOOM_connection)
-ZOOM_connection_create (ZOOM_options options)
-{
- 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->addinfo = 0;
- set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
- c->buf_in = 0;
- c->len_in = 0;
- c->buf_out = 0;
- c->len_out = 0;
- c->resultsets = 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->cookie_out = 0;
- c->cookie_in = 0;
- c->client_IP = 0;
- c->tasks = 0;
-
- c->odr_in = odr_createmem (ODR_DECODE);
- c->odr_out = odr_createmem (ODR_ENCODE);
-
- c->async = 0;
- c->support_named_resultsets = 0;
- c->last_event = ZOOM_EVENT_NONE;
-
- c->m_queue_front = 0;
- c->m_queue_back = 0;
- return c;
-}
-
-/* set database names. Take local databases (if set); otherwise
- take databases given in ZURL (if set); otherwise use Default */
-static char **set_DatabaseNames (ZOOM_connection con, ZOOM_options options,
- int *num)
-{
- char **databaseNames;
- const char *c;
- int no = 2;
- const char *cp = ZOOM_options_get (options, "databaseName");
-
- if (!cp || !*cp)
- {
- if (strncmp (con->host_port, "unix:", 5) == 0)
- cp = strchr (con->host_port+5, ':');
- else
- cp = strchr (con->host_port, '/');
- if (cp)
- cp++;
- }
- if (cp)
- {
- c = cp;
- while ((c = strchr(c, '+')))
- {
- c++;
- no++;
- }
- }
- else
- cp = "Default";
- databaseNames = (char**)
- odr_malloc (con->odr_out, no * sizeof(*databaseNames));
- no = 0;
- while (*cp)
- {
- c = strchr (cp, '+');
- if (!c)
- c = cp + strlen(cp);
- else if (c == cp)
- {
- cp++;
- continue;
- }
- /* cp ptr to first char of db name, c is char
- following db name */
- databaseNames[no] = (char*) odr_malloc (con->odr_out, 1+c-cp);
- memcpy (databaseNames[no], cp, c-cp);
- databaseNames[no++][c-cp] = '\0';
- cp = c;
- if (*cp)
- cp++;
- }
- databaseNames[no] = NULL;
- *num = no;
- return databaseNames;
-}
-
-ZOOM_API(ZOOM_connection)
-ZOOM_connection_new (const char *host, int portnum)
-{
- ZOOM_connection c = ZOOM_connection_create (0);
-
- ZOOM_connection_connect (c, host, portnum);
- return c;
-}
-
-ZOOM_API(void)
-ZOOM_connection_connect(ZOOM_connection c,
- const char *host, int portnum)
-{
- const char *val;
- ZOOM_task task;
-
- if (c->cs)
- {
- yaz_log (LOG_DEBUG, "reconnect");
- c->reconnect_ok = 1;
- return;
- }
- yaz_log(LOG_DEBUG, "connect");
- xfree (c->proxy);
- val = ZOOM_options_get (c->options, "proxy");
- if (val && *val)
- c->proxy = xstrdup (val);
- else
- c->proxy = 0;
-
- xfree (c->charset);
- val = ZOOM_options_get (c->options, "charset");
- if (val && *val)
- c->charset = xstrdup (val);
- else
- c->charset = 0;
-
- xfree (c->lang);
- val = ZOOM_options_get (c->options, "lang");
- if (val && *val)
- c->lang = xstrdup (val);
- else
- c->lang = 0;
-
- xfree (c->host_port);
- if (portnum)
- {
- char hostn[128];
- sprintf (hostn, "%.80s:%d", host, portnum);
- c->host_port = xstrdup(hostn);
- }
- else
- c->host_port = xstrdup(host);
-
- ZOOM_options_set(c->options, "host", c->host_port);
-
- val = ZOOM_options_get (c->options, "cookie");
- if (val && *val)
- c->cookie_out = xstrdup (val);
-
- val = ZOOM_options_get (c->options, "clientIP");
- if (val && *val)
- c->client_IP = xstrdup (val);
-
- c->async = ZOOM_options_get_bool (c->options, "async", 0);
-
- set_ZOOM_error(c, ZOOM_ERROR_NONE, 0);
-
- task = ZOOM_connection_add_task (c, ZOOM_TASK_CONNECT);
-
- if (!c->async)
- {
- while (ZOOM_event (1, &c))
- ;
- }
-}
-
-ZOOM_API(ZOOM_query)
-ZOOM_query_create(void)
-{
- ZOOM_query s = (ZOOM_query) xmalloc (sizeof(*s));
-
- s->refcount = 1;
- s->z_query = 0;
- s->sort_spec = 0;
- s->odr = odr_createmem (ODR_ENCODE);
- s->query_string = 0;
-
- return s;
-}
-
-ZOOM_API(void)
-ZOOM_query_destroy(ZOOM_query s)
-{
- if (!s)
- return;
-
- (s->refcount)--;
- yaz_log (LOG_DEBUG, "ZOOM_query_destroy count=%d", s->refcount);
- if (s->refcount == 0)
- {
- odr_destroy (s->odr);
- xfree (s);
- }
-}
-
-ZOOM_API(int)
-ZOOM_query_prefix(ZOOM_query s, const char *str)
-{
- 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);
- if (!s->sort_spec)
- return -1;
- return 0;
-}
-
-static zoom_ret do_write(ZOOM_connection c);
-
-ZOOM_API(void)
-ZOOM_connection_destroy(ZOOM_connection c)
-{
- ZOOM_resultset r;
- if (!c)
- return;
- if (c->cs)
- cs_close (c->cs);
- for (r = c->resultsets; r; r = r->next)
- r->connection = 0;
-
- xfree (c->buf_in);
- xfree (c->addinfo);
- odr_destroy (c->odr_in);
- odr_destroy (c->odr_out);
- 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);
- xfree (c->cookie_out);
- xfree (c->cookie_in);
- xfree (c->client_IP);
- xfree (c);
-}
-
-void ZOOM_resultset_addref (ZOOM_resultset r)
-{
- if (r)
- {
- (r->refcount)++;
- yaz_log (LOG_DEBUG, "ZOOM_resultset_addref r=%p count=%d",
- r, r->refcount);
- }
-}
-ZOOM_resultset ZOOM_resultset_create ()
-{
- ZOOM_resultset r = (ZOOM_resultset) xmalloc (sizeof(*r));
-
- yaz_log (LOG_DEBUG, "ZOOM_resultset_create r = %p", r);
- r->refcount = 1;
- r->size = 0;
- r->odr = odr_createmem (ODR_ENCODE);
- r->start = 0;
- r->piggyback = 1;
- r->setname = 0;
- r->schema = 0;
- r->count = 0;
- r->step = 0;
- r->record_cache = 0;
- r->r_sort_spec = 0;
- r->query = 0;
- r->connection = 0;
- r->next = 0;
- return r;
-}
-
-ZOOM_API(ZOOM_resultset)
-ZOOM_connection_search_pqf(ZOOM_connection c, const char *q)
-{
- ZOOM_resultset r;
- ZOOM_query s = ZOOM_query_create();
-
- ZOOM_query_prefix (s, q);
-
- r = ZOOM_connection_search (c, s);
- ZOOM_query_destroy (s);
- return r;
-}
-
-ZOOM_API(ZOOM_resultset)
-ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
-{
- ZOOM_resultset r = ZOOM_resultset_create ();
- ZOOM_task task;
- const char *cp;
-
- r->r_sort_spec = q->sort_spec;
- r->query = q;
-
- r->options = ZOOM_options_create_with_parent(c->options);
-
- r->start = ZOOM_options_get_int(r->options, "start", 0);
- r->count = ZOOM_options_get_int(r->options, "count", 0);
- r->step = ZOOM_options_get_int(r->options, "step", 0);
- r->piggyback = ZOOM_options_get_bool (r->options, "piggyback", 1);
- cp = ZOOM_options_get (r->options, "setname");
- if (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);
-
- (q->refcount)++;
-
- if (!c->async)
- {
- while (ZOOM_event (1, &c))
- ;
- }
- return r;
-}
-
-ZOOM_API(void)
-ZOOM_resultset_destroy(ZOOM_resultset r)
-{
- if (!r)
- return;
- (r->refcount)--;
- yaz_log (LOG_DEBUG, "ZOOM_resultset_destroy r = %p count=%d",
- r, r->refcount);
- if (r->refcount == 0)
- {
- ZOOM_record_cache rc;
-
- for (rc = r->record_cache; rc; rc = rc->next)
- {
- if (rc->rec.wrbuf_marc)
- wrbuf_free (rc->rec.wrbuf_marc, 1);
- if (rc->rec.wrbuf_iconv)
- wrbuf_free (rc->rec.wrbuf_iconv, 1);
- if (rc->rec.wrbuf_opac)
- wrbuf_free (rc->rec.wrbuf_opac, 1);
- }
- if (r->connection)
- {
- /* remove ourselves from the resultsets in connection */
- ZOOM_resultset *rp = &r->connection->resultsets;
- while (1)
- {
- assert (*rp); /* we must be in this list!! */
- if (*rp == r)
- { /* OK, we're here - take us out of it */
- *rp = (*rp)->next;
- break;
- }
- rp = &(*rp)->next;
- }
- }
- ZOOM_query_destroy (r->query);
- ZOOM_options_destroy (r->options);
- odr_destroy (r->odr);
- xfree (r->setname);
- xfree (r->schema);
- xfree (r);
- }
-}
-
-ZOOM_API(size_t)
-ZOOM_resultset_size (ZOOM_resultset r)
-{
- return r->size;
-}
-
-static void do_close (ZOOM_connection c)
-{
- if (c->cs)
- cs_close(c->cs);
- c->cs = 0;
- c->mask = 0;
- c->state = STATE_IDLE;
-}
-
-static void ZOOM_resultset_retrieve (ZOOM_resultset r,
- int force_sync, int start, int count)
-{
- 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)
- while (r->connection && ZOOM_event (1, &r->connection))
- ;
-}
-
-ZOOM_API(void)
-ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
- size_t start, size_t count)
-{
- int force_present = 0;
-
- if (!r)
- return ;
- if (count && recs)
- force_present = 1;
- ZOOM_resultset_retrieve (r, force_present, start, count);
- if (force_present)
- {
- size_t i;
- for (i = 0; i< count; i++)
- recs[i] = ZOOM_resultset_record_immediate (r, i+start);
- }
-}
-
-static zoom_ret do_connect (ZOOM_connection c)
-{
- void *add;
- const char *effective_host;
-
- if (c->proxy)
- effective_host = c->proxy;
- else
- effective_host = c->host_port;
-
- yaz_log (LOG_DEBUG, "do_connect host=%s", effective_host);
-
- assert (!c->cs);
- c->cs = cs_create_host (effective_host, 0, &add);
-
- if (c->cs && c->cs->protocol == PROTO_HTTP)
- {
-#if HAVE_XML2
- const char *path = 0;
-
- c->proto = PROTO_HTTP;
- cs_get_host_args(c->host_port, &path);
- xfree(c->path);
- c->path = xmalloc(strlen(path)+2);
- c->path[0] = '/';
- strcpy (c->path+1, path);
-#else
- set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
- do_close(c);
- return zoom_complete;
-#endif
- }
- if (c->cs)
- {
- 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);
- 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->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;
- }
- }
- c->state = STATE_IDLE;
- set_ZOOM_error(c, ZOOM_ERROR_CONNECT, effective_host);
- return zoom_complete;
-}
-
-int z3950_connection_socket(ZOOM_connection c)
-{
- if (c->cs)
- return cs_fileno(c->cs);
- return -1;
-}
-
-int z3950_connection_mask(ZOOM_connection c)
-{
- if (c->cs)
- return c->mask;
- return 0;
-}
-
-static void otherInfo_attach (ZOOM_connection c, Z_APDU *a, ODR out)
-{
- int i;
- for (i = 0; i<200; i++)
- {
- size_t len;
- Z_OtherInformation **oi;
- char buf[80];
- const char *val;
- const char *cp;
- int oidval;
-
- sprintf (buf, "otherInfo%d", i);
- val = ZOOM_options_get (c->options, buf);
- if (!val)
- break;
- cp = strchr (val, ':');
- if (!cp)
- continue;
- len = cp - val;
- if (len >= sizeof(buf))
- len = sizeof(buf)-1;
- memcpy (buf, val, len);
- buf[len] = '\0';
- oidval = oid_getvalbyname (buf);
- if (oidval == VAL_NONE)
- continue;
-
- yaz_oi_APDU(a, &oi);
- yaz_oi_set_string_oidval(oi, out, oidval, 1, cp+1);
- }
-}
-
-static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
-{
- assert (a);
- if (c->cookie_out)
- {
- Z_OtherInformation **oi;
- yaz_oi_APDU(a, &oi);
- yaz_oi_set_string_oidval(oi, out, VAL_COOKIE, 1, c->cookie_out);
- }
- if (c->client_IP)
- {
- Z_OtherInformation **oi;
- yaz_oi_APDU(a, &oi);
- yaz_oi_set_string_oidval(oi, out, VAL_CLIENT_IP, 1, c->client_IP);
- }
- otherInfo_attach (c, a, out);
- if (!z_APDU(out, &a, 0, 0))
- {
- FILE *outf = fopen("/tmp/apdu.txt", "a");
- if (a && outf)
- {
- ODR odr_pr = odr_createmem(ODR_PRINT);
- fprintf (outf, "a=%p\n", a);
- odr_setprint(odr_pr, outf);
- z_APDU(odr_pr, &a, 0, 0);
- odr_destroy(odr_pr);
- }
- yaz_log (LOG_DEBUG, "encoding failed");
- set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
- odr_reset(out);
- return -1;
- }
-
- return 0;
-}
-
-static zoom_ret send_APDU (ZOOM_connection c, Z_APDU *a)
-{
- ZOOM_Event event;
- assert (a);
- if (encode_APDU(c, a, c->odr_out))
- return zoom_complete;
- yaz_log(LOG_DEBUG, "send APDU type=%d", a->which);
- c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
- event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
- ZOOM_connection_put_event (c, event);
- odr_reset(c->odr_out);
- return do_write (c);
-}
-
-/* returns 1 if PDU was sent OK (still pending )
- 0 if PDU was not sent OK (nothing to wait for)
-*/
-
-static zoom_ret ZOOM_connection_send_init (ZOOM_connection c)
-{
- const char *impname;
- Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
- Z_InitRequest *ireq = apdu->u.initRequest;
- Z_IdAuthentication *auth = (Z_IdAuthentication *)
- odr_malloc(c->odr_out, sizeof(*auth));
- const char *auth_groupId = ZOOM_options_get (c->options, "group");
- const char *auth_userId = ZOOM_options_get (c->options, "user");
- const char *auth_password = ZOOM_options_get (c->options, "pass");
-
- ODR_MASK_SET(ireq->options, Z_Options_search);
- ODR_MASK_SET(ireq->options, Z_Options_present);
- ODR_MASK_SET(ireq->options, Z_Options_scan);
- ODR_MASK_SET(ireq->options, Z_Options_sort);
- ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
- ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
-
- ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
- ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
- ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
-
- impname = ZOOM_options_get (c->options, "implementationName");
- ireq->implementationName =
- (char *) odr_malloc (c->odr_out, 15 + (impname ? strlen(impname) : 0));
- strcpy (ireq->implementationName, "");
- if (impname)
- {
- strcat (ireq->implementationName, impname);
- strcat (ireq->implementationName, "/");
- }
- strcat (ireq->implementationName, "ZOOM-C/YAZ");
-
- *ireq->maximumRecordSize =
- ZOOM_options_get_int (c->options, "maximumRecordSize", 1024*1024);
- *ireq->preferredMessageSize =
- ZOOM_options_get_int (c->options, "preferredMessageSize", 1024*1024);
-
- if (auth_groupId || auth_password)
- {
- Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
- int i = 0;
- pass->groupId = 0;
- if (auth_groupId && *auth_groupId)
- {
- pass->groupId = (char *)
- odr_malloc(c->odr_out, strlen(auth_groupId)+1);
- strcpy(pass->groupId, auth_groupId);
- i++;
- }
- pass->userId = 0;
- if (auth_userId && *auth_userId)
- {
- pass->userId = (char *)
- odr_malloc(c->odr_out, strlen(auth_userId)+1);
- strcpy(pass->userId, auth_userId);
- i++;
- }
- pass->password = 0;
- if (auth_password && *auth_password)
- {
- pass->password = (char *)
- odr_malloc(c->odr_out, strlen(auth_password)+1);
- strcpy(pass->password, auth_password);
- i++;
- }
- if (i)
- {
- auth->which = Z_IdAuthentication_idPass;
- auth->u.idPass = pass;
- ireq->idAuthentication = auth;
- }
- }
- else if (auth_userId)
- {
- auth->which = Z_IdAuthentication_open;
- auth->u.open = (char *)
- odr_malloc(c->odr_out, strlen(auth_userId)+1);
- strcpy(auth->u.open, auth_userId);
- ireq->idAuthentication = auth;
- }
- if (c->proxy)
- yaz_oi_set_string_oidval(&ireq->otherInfo, c->odr_out,
- VAL_PROXY, 1, c->host_port);
- if (c->charset||c->lang)
- {
- Z_OtherInformation **oi;
- Z_OtherInformationUnit *oi_unit;
-
- yaz_oi_APDU(apdu, &oi);
-
- if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
- {
- ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
-
- oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
- oi_unit->information.externallyDefinedInfo =
- yaz_set_proposal_charneg
- (c->odr_out,
- (const char **)&c->charset, (c->charset) ? 1:0,
- (const char **)&c->lang, (c->lang) ? 1:0, 1);
- }
- }
- assert (apdu);
- return send_APDU (c, apdu);
-}
-
-#if HAVE_XML2
-static zoom_ret send_srw (ZOOM_connection c, Z_SRW_PDU *sr)
-{
- char ctype[50];
- 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;
-
- if (c->host_port)
- {
- const char *cp0 = strstr(c->host_port, "://");
- const char *cp1 = 0;
- if (cp0)
- cp0 = cp0+3;
- else
- cp0 = c->host_port;
-
- cp1 = strchr(cp0, '/');
- if (!cp1)
- cp1 = cp0+strlen(cp0);
-
- if (cp0 && cp1)
- {
- char *h = odr_malloc(c->odr_out, cp1 - cp0 + 1);
- memcpy (h, cp0, cp1 - cp0);
- h[cp1-cp0] = '\0';
- z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
- "host", h);
- }
- }
-
- strcpy(ctype, "text/xml");
- if (c->charset && strlen(c->charset) < 20)
- {
- strcat(ctype, "; charset=");
- strcat(ctype, c->charset);
- }
- z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
- "Content-Type", ctype);
- 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_enc(o, &p,
- &gdu->u.HTTP_Request->content_buf,
- &gdu->u.HTTP_Request->content_len, h,
- c->charset);
-
- 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;
- const char *recordPacking = 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->step>0 ? resultset->step : resultset->count);
- sr->u.request->recordSchema = resultset->schema;
-
- recordPacking = ZOOM_resultset_option_get (resultset, "recordPacking");
-
- if (recordPacking)
- sr->u.request->recordPacking = odr_strdup(c->odr_out, recordPacking);
-
- 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;
- int lslb, ssub, mspn;
- const char *syntax;
- Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
- Z_SearchRequest *search_req = apdu->u.searchRequest;
- const char *elementSetName;
- const char *smallSetElementSetName;
- const char *mediumSetElementSetName;
-
- assert (c->tasks);
- assert (c->tasks->which == ZOOM_TASK_SEARCH);
-
- r = c->tasks->u.search.resultset;
-
- elementSetName =
- ZOOM_options_get (r->options, "elementSetName");
- smallSetElementSetName =
- ZOOM_options_get (r->options, "smallSetElementSetName");
- mediumSetElementSetName =
- ZOOM_options_get (r->options, "mediumSetElementSetName");
-
- if (!smallSetElementSetName)
- smallSetElementSetName = elementSetName;
-
- if (!mediumSetElementSetName)
- mediumSetElementSetName = elementSetName;
-
- assert (r);
- assert (r->query);
-
- /* prepare query for the search request */
- search_req->query = r->query->z_query;
-
- search_req->databaseNames =
- set_DatabaseNames (c, r->options, &search_req->num_databaseNames);
-
- /* get syntax (no need to provide unless piggyback is in effect) */
- syntax = ZOOM_options_get (r->options, "preferredRecordSyntax");
-
- lslb = ZOOM_options_get_int (r->options, "largeSetLowerBound", -1);
- ssub = ZOOM_options_get_int (r->options, "smallSetUpperBound", -1);
- mspn = ZOOM_options_get_int (r->options, "mediumSetPresentNumber", -1);
- if (lslb != -1 && ssub != -1 && mspn != -1)
- {
- /* So're a Z39.50 expert? Let's hope you don't do sort */
- *search_req->largeSetLowerBound = lslb;
- *search_req->smallSetUpperBound = ssub;
- *search_req->mediumSetPresentNumber = mspn;
- }
- else if (r->start == 0 && r->count > 0
- && 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 = 1;
- *search_req->mediumSetPresentNumber = r->step>0 ? r->step : r->count;
- }
- else
- {
- /* non-piggyback. Need not provide elementsets or syntaxes .. */
- smallSetElementSetName = 0;
- mediumSetElementSetName = 0;
- syntax = 0;
- }
- if (smallSetElementSetName && *smallSetElementSetName)
- {
- Z_ElementSetNames *esn = (Z_ElementSetNames *)
- odr_malloc (c->odr_out, sizeof(*esn));
-
- esn->which = Z_ElementSetNames_generic;
- esn->u.generic = odr_strdup (c->odr_out, smallSetElementSetName);
- search_req->smallSetElementSetNames = esn;
- }
- if (mediumSetElementSetName && *mediumSetElementSetName)
- {
- Z_ElementSetNames *esn = (Z_ElementSetNames *)
- odr_malloc (c->odr_out, sizeof(*esn));
-
- esn->which = Z_ElementSetNames_generic;
- esn->u.generic = odr_strdup (c->odr_out, mediumSetElementSetName);
- search_req->mediumSetElementSetNames = esn;
- }
- if (syntax)
- search_req->preferredRecordSyntax =
- yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
-
- if (!r->setname)
- {
- if (c->support_named_resultsets)
- {
- char setname[14];
- int ord;
- /* find the lowest unused ordinal so that we re-use
- result sets on the server. */
- for (ord = 1; ; ord++)
- {
- ZOOM_resultset rp;
- sprintf (setname, "%d", ord);
- for (rp = c->resultsets; rp; rp = rp->next)
- if (rp->setname && !strcmp (rp->setname, setname))
- break;
- if (!rp)
- break;
- }
- r->setname = xstrdup (setname);
- yaz_log (LOG_DEBUG, "allocating set %s", r->setname);
- }
- else
- r->setname = xstrdup ("default");
- ZOOM_options_set (r->options, "setname", r->setname);
- }
- search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
- /* send search request */
- return send_APDU (c, apdu);
-}
-
-static void response_diag (ZOOM_connection c, Z_DiagRec *p)
-{
- int oclass;
- Z_DefaultDiagFormat *r;
- char *addinfo = 0;
-
- xfree (c->addinfo);
- c->addinfo = 0;
- if (p->which != Z_DiagRec_defaultFormat)
- {
- set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
- return;
- }
- r = p->u.defaultFormat;
- switch (r->which)
- {
- case Z_DefaultDiagFormat_v2Addinfo:
- addinfo = r->u.v2Addinfo;
- break;
- case Z_DefaultDiagFormat_v3Addinfo:
- addinfo = r->u.v3Addinfo;
- break;
- }
- set_dset_error(c, *r->condition,
- yaz_z3950oid_to_str(r->diagnosticSetId, &oclass),
- addinfo, 0);
-}
-
-ZOOM_API(ZOOM_record)
-ZOOM_record_clone (ZOOM_record srec)
-{
- char *buf;
- int size;
- ODR odr_enc;
- ZOOM_record nrec;
-
- odr_enc = odr_createmem(ODR_ENCODE);
- if (!z_NamePlusRecord (odr_enc, &srec->npr, 0, 0))
- return 0;
- buf = odr_getbuf (odr_enc, &size, 0);
-
- nrec = (ZOOM_record) xmalloc (sizeof(*nrec));
- nrec->odr = odr_createmem(ODR_DECODE);
- nrec->wrbuf_marc = 0;
- nrec->wrbuf_iconv = 0;
- nrec->wrbuf_opac = 0;
- odr_setbuf (nrec->odr, buf, size, 0);
- z_NamePlusRecord (nrec->odr, &nrec->npr, 0, 0);
-
- odr_destroy (odr_enc);
- return nrec;
-}
-
-ZOOM_API(ZOOM_record)
-ZOOM_resultset_record_immediate (ZOOM_resultset s,size_t pos)
-{
- return record_cache_lookup (s, pos);
-}
-
-ZOOM_API(ZOOM_record)
-ZOOM_resultset_record (ZOOM_resultset r, size_t pos)
-{
- ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
-
- if (!rec)
- {
- ZOOM_resultset_retrieve (r, 1, pos, 1);
- rec = ZOOM_resultset_record_immediate (r, pos);
- }
- return rec;
-}
-
-ZOOM_API(void)
-ZOOM_record_destroy (ZOOM_record rec)
-{
- if (!rec)
- return;
- if (rec->wrbuf_marc)
- wrbuf_free (rec->wrbuf_marc, 1);
- if (rec->wrbuf_iconv)
- wrbuf_free (rec->wrbuf_iconv, 1);
- if (rec->wrbuf_opac)
- wrbuf_free (rec->wrbuf_opac, 1);
- odr_destroy (rec->odr);
- xfree (rec);
-}
-
-static const char *record_iconv_return(ZOOM_record rec, int *len,
- const char *buf, int sz,
- const char *record_charset)
-{
- char to[40];
- char from[40];
- yaz_iconv_t cd = 0;
-
- *from = '\0';
- strcpy(to, "UTF-8");
- if (record_charset && *record_charset)
- {
- /* Use "from,to" or just "from" */
- const char *cp =strchr(record_charset, ',');
- int clen = strlen(record_charset);
- if (cp && cp[1])
- {
- strncpy( to, cp+1, sizeof(to)-1);
- to[sizeof(to)-1] = '\0';
- clen = cp - record_charset;
- }
- if (clen > sizeof(from)-1)
- clen = sizeof(from)-1;
-
- if (clen)
- strncpy(from, record_charset, clen);
- from[clen] = '\0';
- }
-
- if (*from && *to && (cd = yaz_iconv_open(to, from)))
- {
- char outbuf[12];
- size_t inbytesleft = sz;
- const char *inp = buf;
-
- if (!rec->wrbuf_iconv)
- rec->wrbuf_iconv = wrbuf_alloc();
-
- wrbuf_rewind(rec->wrbuf_iconv);
-
- while (inbytesleft)
- {
- size_t outbytesleft = sizeof(outbuf);
- char *outp = outbuf;
- size_t r = yaz_iconv (cd, (char**) &inp,
- &inbytesleft,
- &outp, &outbytesleft);
- if (r == (size_t) (-1))
- {
- int e = yaz_iconv_error(cd);
- if (e != YAZ_ICONV_E2BIG)
- break;
- }
- wrbuf_write(rec->wrbuf_iconv, outbuf, outp - outbuf);
- }
- wrbuf_puts(rec->wrbuf_iconv, "");
- buf = wrbuf_buf(rec->wrbuf_iconv);
- sz = wrbuf_len(rec->wrbuf_iconv);
- yaz_iconv_close(cd);
- }
- if (len)
- *len = sz;
- return buf;
-}
-
-ZOOM_API(const char *)
-ZOOM_record_get (ZOOM_record rec, const char *type_spec, int *len)
-{
- char type[40];
- char charset[40];
- const char *cp;
- int i;
- Z_NamePlusRecord *npr;
-
- if (len)
- *len = 0; /* default return */
-
- if (!rec)
- return 0;
- npr = rec->npr;
- if (!npr)
- return 0;
-
- cp = type_spec;
- for (i = 0; cp[i] && i < sizeof(type)-1; i++)
- {
- if (cp[i] == ';' || cp[i] == ' ')
- break;
- type[i] = cp[i];
- }
- type[i] = '\0';
- charset[0] = '\0';
- if (type_spec[i] == ';')
- {
- i++;
- while (type_spec[i] == ' ')
- i++;
- if (!strncmp(type_spec+i, "charset=", 8))
- {
- cp = type_spec+i+8;
- for (i = 0; cp[i] && i < sizeof(charset)-1; i++)
- {
- if (cp[i] == ';' || cp[i] == ' ')
- break;
- charset[i] = cp[i];
- }
- charset[i] = '\0';
- }
- }
-
- if (!strcmp (type, "database"))
- {
- if (len)
- *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
- return npr->databaseName;
- }
- else if (!strcmp (type, "syntax"))
- {
- const char *desc = 0;
- if (npr->which == Z_NamePlusRecord_databaseRecord)
- {
- Z_External *r = (Z_External *) npr->u.databaseRecord;
- oident *ent = oid_getentbyoid(r->direct_reference);
- if (ent)
- desc = ent->desc;
- }
- if (!desc)
- desc = "none";
- if (len)
- *len = strlen(desc);
- return desc;
- }
- else if (!strcmp (type, "render") &&
- npr->which == Z_NamePlusRecord_databaseRecord)
- {
- Z_External *r = (Z_External *) npr->u.databaseRecord;
- oident *ent = oid_getentbyoid(r->direct_reference);
-
- /* render bibliographic record .. */
- if (r->which == Z_External_OPAC)
- {
- r = r->u.opac->bibliographicRecord;
- if (!r)
- return 0;
- ent = oid_getentbyoid(r->direct_reference);
- }
- if (r->which == Z_External_sutrs)
- return record_iconv_return(rec, len,
- r->u.sutrs->buf, r->u.sutrs->len,
- charset);
- else if (r->which == Z_External_octet)
- {
- yaz_marc_t mt;
- switch (ent->value)
- {
- case VAL_SOIF:
- case VAL_HTML:
- case VAL_SUTRS:
- break;
- case VAL_TEXT_XML:
- case VAL_APPLICATION_XML:
- break;
- default:
- if (!rec->wrbuf_marc)
- rec->wrbuf_marc = wrbuf_alloc();
-
- mt = yaz_marc_create();
- wrbuf_rewind (rec->wrbuf_marc);
- if (yaz_marc_decode_wrbuf (
- mt, (const char *) r->u.octet_aligned->buf,
- r->u.octet_aligned->len,
- rec->wrbuf_marc) > 0)
- {
- yaz_marc_destroy(mt);
- return record_iconv_return(rec, len,
- wrbuf_buf(rec->wrbuf_marc),
- wrbuf_len(rec->wrbuf_marc),
- charset);
- }
- yaz_marc_destroy(mt);
- }
- return record_iconv_return(rec, len,
- (const char *) r->u.octet_aligned->buf,
- r->u.octet_aligned->len,
- charset);
- }
- else if (r->which == Z_External_grs1)
- {
- if (!rec->wrbuf_marc)
- rec->wrbuf_marc = wrbuf_alloc();
- wrbuf_rewind (rec->wrbuf_marc);
- yaz_display_grs1(rec->wrbuf_marc, r->u.grs1, 0);
- return record_iconv_return(rec, len,
- wrbuf_buf(rec->wrbuf_marc),
- wrbuf_len(rec->wrbuf_marc),
- charset);
- }
- return 0;
- }
- 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);
-
- /* render bibliographic record .. */
- if (r->which == Z_External_OPAC)
- {
- r = r->u.opac->bibliographicRecord;
- if (!r)
- return 0;
- ent = oid_getentbyoid(r->direct_reference);
- }
-
- if (r->which == Z_External_sutrs)
- return record_iconv_return(rec, len,
- (const char *) r->u.sutrs->buf,
- r->u.sutrs->len,
- charset);
- 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:
- case VAL_HTML:
- case VAL_SUTRS:
- break;
- case VAL_TEXT_XML:
- case VAL_APPLICATION_XML:
- break;
- default:
- if (!rec->wrbuf_marc)
- rec->wrbuf_marc = wrbuf_alloc();
- wrbuf_rewind (rec->wrbuf_marc);
- 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)
- {
- yaz_marc_destroy(mt);
- return record_iconv_return(rec, len,
- wrbuf_buf(rec->wrbuf_marc),
- wrbuf_len(rec->wrbuf_marc),
- charset);
- }
- yaz_marc_destroy(mt);
- }
- return record_iconv_return(rec, len,
- (const char *) r->u.octet_aligned->buf,
- r->u.octet_aligned->len,
- charset);
- }
- else if (r->which == Z_External_grs1)
- {
- if (len) *len = 5;
- return "GRS-1";
- }
- return 0;
- }
- else if (!strcmp (type, "raw"))
- {
- if (npr->which == Z_NamePlusRecord_databaseRecord)
- {
- Z_External *r = (Z_External *) npr->u.databaseRecord;
-
- if (r->which == Z_External_sutrs)
- {
- if (len) *len = r->u.sutrs->len;
- return (const char *) r->u.sutrs->buf;
- }
- else if (r->which == Z_External_octet)
- {
- if (len) *len = r->u.octet_aligned->len;
- return (const char *) r->u.octet_aligned->buf;
- }
- else /* grs-1, explain, OPAC, ... */
- {
- if (len) *len = -1;
- return (const char *) npr->u.databaseRecord;
- }
- }
- return 0;
- }
- else if (!strcmp (type, "ext"))
- {
- if (npr->which == Z_NamePlusRecord_databaseRecord)
- return (const char *) npr->u.databaseRecord;
- return 0;
- }
- else if (npr->which == Z_NamePlusRecord_databaseRecord &&
- !strcmp (type, "opac"))
-
- {
- Z_External *r = (Z_External *) npr->u.databaseRecord;
- if (r->which == Z_External_OPAC)
- {
- if (!rec->wrbuf_opac)
- rec->wrbuf_opac = wrbuf_alloc();
- wrbuf_rewind (rec->wrbuf_opac);
- yaz_display_OPAC(rec->wrbuf_opac, r->u.opac, 0);
- return record_iconv_return(rec, len,
- wrbuf_buf(rec->wrbuf_opac),
- wrbuf_len(rec->wrbuf_opac),
- charset);
- }
- }
- return 0;
-}
-
-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 =
- ZOOM_resultset_option_get (r, "elementSetName");
- const char *syntax =
- ZOOM_resultset_option_get (r, "preferredRecordSyntax");
-
- ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
- ZOOM_connection_put_event(r->connection, event);
-
- for (rc = r->record_cache; rc; rc = rc->next)
- {
- if (pos == rc->pos)
- {
- 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));
- rc->rec.npr = npr;
- rc->rec.odr = 0;
- rc->rec.wrbuf_marc = 0;
- rc->rec.wrbuf_iconv = 0;
- rc->rec.wrbuf_opac = 0;
- if (elementSetName)
- rc->elementSetName = odr_strdup (r->odr, elementSetName);
- else
- rc->elementSetName = 0;
-
- if (syntax)
- rc->syntax = odr_strdup (r->odr, syntax);
- 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;
-}
-
-static ZOOM_record record_cache_lookup (ZOOM_resultset r, int pos)
-{
- ZOOM_record_cache rc;
- const char *elementSetName =
- ZOOM_resultset_option_get (r, "elementSetName");
- const char *syntax =
- ZOOM_resultset_option_get (r, "preferredRecordSyntax");
-
- for (rc = r->record_cache; rc; rc = rc->next)
- {
- if (pos == rc->pos)
- {
- 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;
-}
-
-static void handle_records (ZOOM_connection c, Z_Records *sr,
- int present_phase)
-{
- ZOOM_resultset resultset;
-
- if (!c->tasks)
- return ;
- switch (c->tasks->which)
- {
- case ZOOM_TASK_SEARCH:
- resultset = c->tasks->u.search.resultset;
- break;
- case ZOOM_TASK_RETRIEVE:
- resultset = c->tasks->u.retrieve.resultset;
- break;
- default:
- return;
- }
- if (sr && sr->which == Z_Records_NSD)
- {
- Z_DiagRec dr, *dr_p = &dr;
- dr.which = Z_DiagRec_defaultFormat;
- dr.u.defaultFormat = sr->u.nonSurrogateDiagnostic;
-
- response_diag (c, dr_p);
- }
- else if (sr && sr->which == Z_Records_multipleNSD)
- {
- if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
- response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
- else
- set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
- }
- else
- {
- if (resultset->count + resultset->start > resultset->size)
- resultset->count = resultset->size - resultset->start;
- if (resultset->count < 0)
- resultset->count = 0;
- if (sr && sr->which == Z_Records_DBOSD)
- {
- int i;
- NMEM nmem = odr_extract_mem (c->odr_in);
- Z_NamePlusRecordList *p =
- sr->u.databaseOrSurDiagnostics;
- for (i = 0; i<p->num_records; i++)
- {
- record_cache_add (resultset, p->records[i],
- i+ resultset->start);
- }
- /* transfer our response to search_nmem .. we need it later */
- nmem_transfer (resultset->odr->mem, nmem);
- nmem_destroy (nmem);
- if (present_phase && p->num_records == 0)
- {
- /* present response and we didn't get any records! */
- set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
- }
- }
- else if (present_phase)
- {
- /* present response and we didn't get any records! */
- set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
- }
- }
-}
-
-static void handle_present_response (ZOOM_connection c, Z_PresentResponse *pr)
-{
- handle_records (c, pr->records, 1);
-}
-
-static void handle_search_response (ZOOM_connection c, Z_SearchResponse *sr)
-{
- ZOOM_resultset resultset;
- ZOOM_Event event;
-
- yaz_log (LOG_DEBUG, "got search response");
-
- if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
- return ;
-
- event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
- ZOOM_connection_put_event(c, event);
-
- resultset = c->tasks->u.search.resultset;
-
- resultset->size = *sr->resultCount;
- handle_records (c, sr->records, 0);
-}
-
-static void sort_response (ZOOM_connection c, Z_SortResponse *res)
-{
- if (res->diagnostics && res->num_diagnostics > 0)
- response_diag (c, res->diagnostics[0]);
-}
-
-static int scan_response (ZOOM_connection c, Z_ScanResponse *res)
-{
- NMEM nmem = odr_extract_mem (c->odr_in);
- ZOOM_scanset scan;
-
- if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
- return 0;
- scan = c->tasks->u.scan.scan;
-
- if (res->entries && res->entries->nonsurrogateDiagnostics)
- response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
- scan->scan_response = res;
- nmem_transfer (scan->odr->mem, nmem);
- if (res->stepSize)
- ZOOM_options_set_int (scan->options, "stepSize", *res->stepSize);
- if (res->positionOfTerm)
- ZOOM_options_set_int (scan->options, "position", *res->positionOfTerm);
- if (res->scanStatus)
- ZOOM_options_set_int (scan->options, "scanStatus", *res->scanStatus);
- if (res->numberOfEntriesReturned)
- ZOOM_options_set_int (scan->options, "number",
- *res->numberOfEntriesReturned);
- nmem_destroy (nmem);
- return 1;
-}
-
-static zoom_ret send_sort (ZOOM_connection c)
-{
- ZOOM_resultset resultset;
-
- if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
- return zoom_complete;
-
- resultset = c->tasks->u.search.resultset;
-
- if (c->error)
- {
- resultset->r_sort_spec = 0;
- return zoom_complete;
- }
- if (resultset->r_sort_spec)
- {
- Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
- Z_SortRequest *req = apdu->u.sortRequest;
-
- req->num_inputResultSetNames = 1;
- req->inputResultSetNames = (Z_InternationalString **)
- odr_malloc (c->odr_out, sizeof(*req->inputResultSetNames));
- req->inputResultSetNames[0] =
- odr_strdup (c->odr_out, resultset->setname);
- req->sortedResultSetName = odr_strdup (c->odr_out, resultset->setname);
- req->sortSequence = resultset->r_sort_spec;
- resultset->r_sort_spec = 0;
- return send_APDU (c, apdu);
- }
- return zoom_complete;
-}
-
-static zoom_ret send_present (ZOOM_connection c)
-{
- Z_APDU *apdu = 0;
- Z_PresentRequest *req = 0;
- int i = 0;
- const char *syntax = 0;
- const char *elementSetName = 0;
- ZOOM_resultset resultset;
-
- if (!c->tasks)
- return zoom_complete;
-
- switch (c->tasks->which)
- {
- case ZOOM_TASK_SEARCH:
- resultset = c->tasks->u.search.resultset;
- break;
- case 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;
- break;
- default:
- return zoom_complete;
- }
-
- syntax = ZOOM_resultset_option_get (resultset, "preferredRecordSyntax");
- elementSetName = ZOOM_resultset_option_get (resultset, "elementSetName");
-
- if (c->error) /* don't continue on error */
- return zoom_complete;
- if (resultset->start < 0)
- return zoom_complete;
- 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;
-
- apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
- req = apdu->u.presentRequest;
-
- resultset->start += i;
- resultset->count -= i;
- *req->resultSetStartPoint = resultset->start + 1;
- *req->numberOfRecordsRequested = resultset->step>0 ?
- resultset->step : resultset->count;
- assert (*req->numberOfRecordsRequested > 0);
-
- if (syntax && *syntax)
- req->preferredRecordSyntax =
- yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, syntax);
-
- if (resultset->schema && *resultset->schema)
- {
- Z_RecordComposition *compo = (Z_RecordComposition *)
- odr_malloc (c->odr_out, sizeof(*compo));
-
- req->recordComposition = compo;
- compo->which = Z_RecordComp_complex;
- compo->u.complex = (Z_CompSpec *)
- odr_malloc(c->odr_out, sizeof(*compo->u.complex));
- compo->u.complex->selectAlternativeSyntax = (bool_t *)
- odr_malloc(c->odr_out, sizeof(bool_t));
- *compo->u.complex->selectAlternativeSyntax = 0;
-
- compo->u.complex->generic = (Z_Specification *)
- odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
-
- 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.oid)
- {
- /* OID wasn't a schema! Try record syntax instead. */
-
- compo->u.complex->generic->schema.oid = (Odr_oid *)
- yaz_str_to_z3950oid (c->odr_out, CLASS_RECSYN, resultset->schema);
- }
- if (elementSetName && *elementSetName)
- {
- compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
- odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
- compo->u.complex->generic->elementSpec->which =
- Z_ElementSpec_elementSetName;
- compo->u.complex->generic->elementSpec->u.elementSetName =
- odr_strdup (c->odr_out, elementSetName);
- }
- else
- compo->u.complex->generic->elementSpec = 0;
- compo->u.complex->num_dbSpecific = 0;
- compo->u.complex->dbSpecific = 0;
- compo->u.complex->num_recordSyntax = 0;
- compo->u.complex->recordSyntax = 0;
- }
- else if (elementSetName && *elementSetName)
- {
- Z_ElementSetNames *esn = (Z_ElementSetNames *)
- odr_malloc (c->odr_out, sizeof(*esn));
- Z_RecordComposition *compo = (Z_RecordComposition *)
- odr_malloc (c->odr_out, sizeof(*compo));
-
- esn->which = Z_ElementSetNames_generic;
- esn->u.generic = odr_strdup (c->odr_out, elementSetName);
- compo->which = Z_RecordComp_simple;
- compo->u.simple = esn;
- req->recordComposition = compo;
- }
- req->resultSetId = odr_strdup(c->odr_out, resultset->setname);
- return send_APDU (c, apdu);
-}
-
-ZOOM_API(ZOOM_scanset)
-ZOOM_connection_scan (ZOOM_connection c, const char *start)
-{
- ZOOM_scanset scan = (ZOOM_scanset) xmalloc (sizeof(*scan));
-
- scan->connection = c;
- scan->odr = odr_createmem (ODR_DECODE);
- scan->options = ZOOM_options_create_with_parent (c->options);
- scan->refcount = 1;
- scan->scan_response = 0;
-
- if ((scan->termListAndStartPoint =
- p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet,
- start)))
- {
- ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_SCAN);
- task->u.scan.scan = scan;
-
- (scan->refcount)++;
- if (!c->async)
- {
- while (ZOOM_event (1, &c))
- ;
- }
- }
- return scan;
-}
-
-ZOOM_API(void)
-ZOOM_scanset_destroy (ZOOM_scanset scan)
-{
- if (!scan)
- return;
- (scan->refcount)--;
- if (scan->refcount == 0)
- {
- odr_destroy (scan->odr);
-
- ZOOM_options_destroy (scan->options);
- xfree (scan);
- }
-}
-
-static zoom_ret send_package (ZOOM_connection c)
-{
- ZOOM_Event event;
- if (!c->tasks)
- return zoom_complete;
- assert (c->tasks->which == ZOOM_TASK_PACKAGE);
-
- event = ZOOM_Event_create (ZOOM_EVENT_SEND_APDU);
- ZOOM_connection_put_event (c, event);
-
- return do_write_ex (c, c->tasks->u.package->buf_out,
- c->tasks->u.package->len_out);
-}
-
-static zoom_ret send_scan (ZOOM_connection c)
-{
- ZOOM_scanset scan;
- Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
- Z_ScanRequest *req = apdu->u.scanRequest;
- if (!c->tasks)
- return zoom_complete;
- assert (c->tasks->which == ZOOM_TASK_SCAN);
- scan = c->tasks->u.scan.scan;
-
- req->termListAndStartPoint = scan->termListAndStartPoint;
- req->attributeSet = scan->attributeSet;
-
- *req->numberOfTermsRequested =
- ZOOM_options_get_int(scan->options, "number", 10);
-
- req->preferredPositionInResponse =
- odr_intdup (c->odr_out,
- ZOOM_options_get_int(scan->options, "position", 1));
-
- req->stepSize =
- odr_intdup (c->odr_out,
- ZOOM_options_get_int(scan->options, "stepSize", 0));
-
- req->databaseNames = set_DatabaseNames (c, scan->options,
- &req->num_databaseNames);
-
- return send_APDU (c, apdu);
-}
-
-ZOOM_API(size_t)
-ZOOM_scanset_size (ZOOM_scanset scan)
-{
- if (!scan || !scan->scan_response || !scan->scan_response->entries)
- return 0;
- return scan->scan_response->entries->num_entries;
-}
-
-ZOOM_API(const char *)
-ZOOM_scanset_term (ZOOM_scanset scan, size_t pos,
- int *occ, int *len)
-{
- const char *term = 0;
- size_t noent = ZOOM_scanset_size (scan);
- Z_ScanResponse *res = scan->scan_response;
-
- *len = 0;
- *occ = 0;
- if (pos >= noent)
- return 0;
- if (res->entries->entries[pos]->which == Z_Entry_termInfo)
- {
- Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
-
- if (t->term->which == Z_Term_general)
- {
- term = (const char *) t->term->u.general->buf;
- *len = t->term->u.general->len;
- }
- *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
- }
- return term;
-}
-
-ZOOM_API(const char *)
-ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key)
-{
- return ZOOM_options_get (scan->options, key);
-}
-
-ZOOM_API(void)
-ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
- const char *val)
-{
- ZOOM_options_set (scan->options, key, val);
-}
-
-static Z_APDU *create_es_package (ZOOM_package p, int type)
-{
- const char *str;
- Z_APDU *apdu = zget_APDU(p->odr_out, Z_APDU_extendedServicesRequest);
- Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
-
- *req->function = Z_ExtendedServicesRequest_create;
-
- str = ZOOM_options_get(p->options, "package-name");
- if (str && *str)
- req->packageName = nmem_strdup (p->odr_out->mem, str);
-
- str = ZOOM_options_get(p->options, "user-id");
- if (str)
- req->userId = nmem_strdup (p->odr_out->mem, str);
-
- req->packageType = yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
- type);
-
- str = ZOOM_options_get(p->options, "function");
- if (str)
- {
- if (!strcmp (str, "create"))
- *req->function = 1;
- if (!strcmp (str, "delete"))
- *req->function = 2;
- if (!strcmp (str, "modify"))
- *req->function = 3;
- }
- return apdu;
-}
-
-static const char *ill_array_lookup (void *clientData, const char *idx)
-{
- ZOOM_package p = (ZOOM_package) clientData;
- return ZOOM_options_get (p->options, idx+4);
-}
-
-static Z_External *encode_ill_request (ZOOM_package p)
-{
- ODR out = p->odr_out;
- ILL_Request *req;
- Z_External *r = 0;
- struct ill_get_ctl ctl;
-
- ctl.odr = p->odr_out;
- ctl.clientData = p;
- ctl.f = ill_array_lookup;
-
- req = ill_get_ILLRequest(&ctl, "ill", 0);
-
- if (!ill_Request (out, &req, 0, 0))
- {
- int ill_request_size;
- char *ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
- if (ill_request_buf)
- odr_setbuf (out, ill_request_buf, ill_request_size, 1);
- return 0;
- }
- else
- {
- oident oid;
- int illRequest_size = 0;
- char *illRequest_buf = odr_getbuf (out, &illRequest_size, 0);
-
- oid.proto = PROTO_GENERAL;
- oid.oclass = CLASS_GENERAL;
- oid.value = VAL_ISO_ILL_1;
-
- r = (Z_External *) odr_malloc (out, sizeof(*r));
- r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid));
- r->indirect_reference = 0;
- r->descriptor = 0;
- r->which = Z_External_single;
-
- r->u.single_ASN1_type = (Odr_oct *)
- odr_malloc (out, sizeof(*r->u.single_ASN1_type));
- r->u.single_ASN1_type->buf = (unsigned char*)
- odr_malloc (out, illRequest_size);
- r->u.single_ASN1_type->len = illRequest_size;
- r->u.single_ASN1_type->size = illRequest_size;
- memcpy (r->u.single_ASN1_type->buf, illRequest_buf, illRequest_size);
- }
- return r;
-}
-
-static Z_ItemOrder *encode_item_order(ZOOM_package p)
-{
- Z_ItemOrder *req = (Z_ItemOrder *) odr_malloc (p->odr_out, sizeof(*req));
- const char *str;
-
- req->which=Z_IOItemOrder_esRequest;
- req->u.esRequest = (Z_IORequest *)
- odr_malloc(p->odr_out,sizeof(Z_IORequest));
-
- /* to keep part ... */
- req->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
- odr_malloc(p->odr_out,sizeof(Z_IOOriginPartToKeep));
- req->u.esRequest->toKeep->supplDescription = 0;
- req->u.esRequest->toKeep->contact = (Z_IOContact *)
- odr_malloc (p->odr_out, sizeof(*req->u.esRequest->toKeep->contact));
-
- str = ZOOM_options_get(p->options, "contact-name");
- req->u.esRequest->toKeep->contact->name = str ?
- nmem_strdup (p->odr_out->mem, str) : 0;
-
- str = ZOOM_options_get(p->options, "contact-phone");
- req->u.esRequest->toKeep->contact->phone = str ?
- nmem_strdup (p->odr_out->mem, str) : 0;
-
- str = ZOOM_options_get(p->options, "contact-email");
- req->u.esRequest->toKeep->contact->email = str ?
- nmem_strdup (p->odr_out->mem, str) : 0;
-
- req->u.esRequest->toKeep->addlBilling = 0;
-
- /* not to keep part ... */
- req->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
- odr_malloc(p->odr_out,sizeof(Z_IOOriginPartNotToKeep));
-
- str = ZOOM_options_get(p->options, "itemorder-setname");
- if (!str)
- str = "default";
-
- if (!*str)
- req->u.esRequest->notToKeep->resultSetItem = 0;
- else
- {
- req->u.esRequest->notToKeep->resultSetItem = (Z_IOResultSetItem *)
- odr_malloc(p->odr_out, sizeof(Z_IOResultSetItem));
-
- req->u.esRequest->notToKeep->resultSetItem->resultSetId =
- nmem_strdup (p->odr_out->mem, str);
- req->u.esRequest->notToKeep->resultSetItem->item =
- (int *) odr_malloc(p->odr_out, sizeof(int));
-
- str = ZOOM_options_get(p->options, "itemorder-item");
- *req->u.esRequest->notToKeep->resultSetItem->item =
- (str ? atoi(str) : 1);
- }
- req->u.esRequest->notToKeep->itemRequest = encode_ill_request(p);
-
- return req;
-}
-
-ZOOM_API(void)
- ZOOM_package_send (ZOOM_package p, const char *type)
-{
- Z_APDU *apdu = 0;
- ZOOM_connection c;
- if (!p)
- return;
- c = p->connection;
- odr_reset (p->odr_out);
- xfree (p->buf_out);
- p->buf_out = 0;
- if (!strcmp(type, "itemorder"))
- {
- Z_External *r;
- apdu = create_es_package (p, VAL_ITEMORDER);
- if (apdu)
- {
- r = (Z_External *) odr_malloc (p->odr_out, sizeof(*r));
-
- r->direct_reference =
- yaz_oidval_to_z3950oid(p->odr_out, CLASS_EXTSERV,
- VAL_ITEMORDER);
- r->descriptor = 0;
- r->which = Z_External_itemOrder;
- r->indirect_reference = 0;
- r->u.itemOrder = encode_item_order (p);
-
- apdu->u.extendedServicesRequest->taskSpecificParameters = r;
- }
- }
- if (apdu)
- {
- if (encode_APDU(p->connection, apdu, p->odr_out) == 0)
- {
- char *buf;
-
- ZOOM_task task = ZOOM_connection_add_task (c, ZOOM_TASK_PACKAGE);
- task->u.package = p;
- buf = odr_getbuf(p->odr_out, &p->len_out, 0);
- p->buf_out = (char *) xmalloc (p->len_out);
- memcpy (p->buf_out, buf, p->len_out);
-
- (p->refcount)++;
- if (!c->async)
- {
- while (ZOOM_event (1, &c))
- ;
- }
- }
- }
-}
-
-ZOOM_API(ZOOM_package)
- ZOOM_connection_package (ZOOM_connection c, ZOOM_options options)
-{
- ZOOM_package p = (ZOOM_package) xmalloc (sizeof(*p));
-
- p->connection = c;
- p->odr_out = odr_createmem (ODR_ENCODE);
- p->options = ZOOM_options_create_with_parent2 (options, c->options);
- p->refcount = 1;
- p->buf_out = 0;
- p->len_out = 0;
- return p;
-}
-
-ZOOM_API(void)
- ZOOM_package_destroy(ZOOM_package p)
-{
- if (!p)
- return;
- (p->refcount)--;
- if (p->refcount == 0)
- {
- odr_destroy (p->odr_out);
- xfree (p->buf_out);
-
- ZOOM_options_destroy (p->options);
- xfree (p);
- }
-}
-
-ZOOM_API(const char *)
-ZOOM_package_option_get (ZOOM_package p, const char *key)
-{
- return ZOOM_options_get (p->options, key);
-}
-
-
-ZOOM_API(void)
-ZOOM_package_option_set (ZOOM_package p, const char *key,
- const char *val)
-{
- ZOOM_options_set (p->options, key, val);
-}
-
-static int ZOOM_connection_exec_task (ZOOM_connection c)
-{
- ZOOM_task task = c->tasks;
- zoom_ret ret = zoom_complete;
-
- if (!task)
- {
- yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task task=<null>");
- return 0;
- }
- yaz_log (LOG_DEBUG, "ZOOM_connection_exec_task type=%d run=%d",
- task->which, task->running);
- 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;
- }
- if (task->running)
- {
- yaz_log (LOG_DEBUG, "task already running");
- return 0;
- }
- task->running = 1;
- ret = zoom_complete;
- if (c->cs || task->which == ZOOM_TASK_CONNECT)
- {
- 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)
- {
- yaz_log (LOG_DEBUG, "task removed (complete)");
- ZOOM_connection_remove_task (c);
- return 0;
- }
- yaz_log (LOG_DEBUG, "task pending");
- return 1;
-}
-
-static zoom_ret send_sort_present (ZOOM_connection c)
-{
- zoom_ret r = send_sort (c);
- if (r == zoom_complete)
- r = send_present (c);
- return r;
-}
-
-static int es_response (ZOOM_connection c,
- Z_ExtendedServicesResponse *res)
-{
- if (!c->tasks || c->tasks->which != ZOOM_TASK_PACKAGE)
- return 0;
- if (res->diagnostics && res->num_diagnostics > 0)
- response_diag(c, res->diagnostics[0]);
- if (res->taskPackage &&
- res->taskPackage->which == Z_External_extendedService)
- {
- Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
- Odr_oct *id = taskPackage->targetReference;
-
- if (id)
- ZOOM_options_setl (c->tasks->u.package->options,
- "targetReference", (char*) id->buf, id->len);
- }
- return 1;
-}
-
-
-static void handle_apdu (ZOOM_connection c, Z_APDU *apdu)
-{
- Z_InitResponse *initrs;
-
- c->mask = 0;
- yaz_log (LOG_DEBUG, "recv APDU type=%d", apdu->which);
- switch(apdu->which)
- {
- 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)
- {
- set_ZOOM_error(c, ZOOM_ERROR_INIT, 0);
- }
- else
- {
- char *cookie =
- yaz_oi_get_string_oidval (&apdu->u.initResponse->otherInfo,
- VAL_COOKIE, 1, 0);
- xfree (c->cookie_in);
- c->cookie_in = 0;
- if (cookie)
- c->cookie_in = xstrdup(cookie);
- if (ODR_MASK_GET(initrs->options, Z_Options_namedResultSets) &&
- ODR_MASK_GET(initrs->protocolVersion, Z_ProtocolVersion_3))
- c->support_named_resultsets = 1;
- if (c->tasks)
- {
- assert (c->tasks->which == ZOOM_TASK_CONNECT);
- ZOOM_connection_remove_task (c);
- }
- ZOOM_connection_exec_task (c);
- }
- if (ODR_MASK_GET(initrs->options, Z_Options_negotiationModel))
- {
- NMEM tmpmem = nmem_create();
- Z_CharSetandLanguageNegotiation *p =
- yaz_get_charneg_record(initrs->otherInfo);
-
- if (p)
- {
- char *charset=NULL, *lang=NULL;
- int sel;
-
- yaz_get_response_charneg(tmpmem, p, &charset, &lang, &sel);
- yaz_log(LOG_DEBUG, "Target accepted: charset %s, "
- "language %s, select %d",
- charset ? charset : "none", lang ? lang : "none", sel);
- if (charset)
- ZOOM_connection_option_set (c, "negotiation-charset",
- charset);
- if (lang)
- ZOOM_connection_option_set (c, "negotiation-lang",
- lang);
- nmem_destroy(tmpmem);
- }
- }
- break;
- case Z_APDU_searchResponse:
- handle_search_response (c, apdu->u.searchResponse);
- if (send_sort_present (c) == zoom_complete)
- ZOOM_connection_remove_task (c);
- break;
- case Z_APDU_presentResponse:
- handle_present_response (c, apdu->u.presentResponse);
- if (send_present (c) == zoom_complete)
- ZOOM_connection_remove_task (c);
- break;
- case Z_APDU_sortResponse:
- sort_response (c, apdu->u.sortResponse);
- if (send_present (c) == zoom_complete)
- ZOOM_connection_remove_task (c);
- break;
- case Z_APDU_scanResponse:
- scan_response (c, apdu->u.scanResponse);
- ZOOM_connection_remove_task (c);
- break;
- case Z_APDU_extendedServicesResponse:
- es_response (c, apdu->u.extendedServicesResponse);
- ZOOM_connection_remove_task (c);
- break;
- case Z_APDU_close:
- if (c->reconnect_ok)
- {
- do_close(c);
- c->tasks->running = 0;
- ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
- }
- else
- {
- set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
- do_close(c);
- }
- break;
- default:
- 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;
- ZOOM_Event event;
-
- 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 ;
-
- event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
- ZOOM_connection_put_event(c, event);
-
- 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, more;
- ZOOM_Event event;
-
- event = ZOOM_Event_create (ZOOM_EVENT_RECV_DATA);
- ZOOM_connection_put_event (c, event);
-
-
- r = cs_get (c->cs, &c->buf_in, &c->len_in);
- more = cs_more(c->cs);
- yaz_log (LOG_DEBUG, "do_read len=%d more=%d", r, more);
- if (r == 1)
- return 0;
- if (r <= 0)
- {
- if (c->reconnect_ok)
- {
- do_close (c);
- c->reconnect_ok = 0;
- yaz_log (LOG_DEBUG, "reconnect read");
- c->tasks->running = 0;
- ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
- }
- else
- {
- 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_GDU (c->odr_in, &gdu, 0, 0))
- {
- set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
- do_close (c);
- }
- 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;
-}
-
-static zoom_ret do_write_ex (ZOOM_connection c, char *buf_out, int len_out)
-{
- int r;
- ZOOM_Event event;
-
- event = ZOOM_Event_create(ZOOM_EVENT_SEND_DATA);
- ZOOM_connection_put_event (c, event);
-
- yaz_log (LOG_DEBUG, "do_write_ex len=%d", len_out);
- if ((r=cs_put (c->cs, buf_out, len_out)) < 0)
- {
- if (c->reconnect_ok)
- {
- do_close (c);
- c->reconnect_ok = 0;
- yaz_log (LOG_DEBUG, "reconnect write");
- c->tasks->running = 0;
- ZOOM_connection_insert_task (c, ZOOM_TASK_CONNECT);
- return zoom_pending;
- }
- if (c->state == STATE_CONNECTING)
- set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
- else
- set_ZOOM_error(c, ZOOM_ERROR_CONNECTION_LOST, 0);
- do_close (c);
- return zoom_complete;
- }
- else if (r == 1)
- {
- 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;
- yaz_log (LOG_DEBUG, "do_write_ex 1 mask=%d", c->mask);
- }
- else
- {
- c->mask = ZOOM_SELECT_READ|ZOOM_SELECT_EXCEPT;
- yaz_log (LOG_DEBUG, "do_write_ex 2 mask=%d", c->mask);
- }
- return zoom_pending;
-}
-
-static zoom_ret do_write(ZOOM_connection c)
-{
- return do_write_ex (c, c->buf_out, c->len_out);
-}
-
-
-ZOOM_API(const char *)
-ZOOM_connection_option_get (ZOOM_connection c, const char *key)
-{
- return ZOOM_options_get (c->options, key);
-}
-
-ZOOM_API(void)
-ZOOM_connection_option_set (ZOOM_connection c, const char *key,
- const char *val)
-{
- ZOOM_options_set (c->options, key, val);
-}
-
-ZOOM_API(const char *)
-ZOOM_resultset_option_get (ZOOM_resultset r, const char *key)
-{
- return ZOOM_options_get (r->options, key);
-}
-
-ZOOM_API(void)
-ZOOM_resultset_option_set (ZOOM_resultset r, const char *key,
- const char *val)
-{
- ZOOM_options_set (r->options, key, val);
-}
-
-
-ZOOM_API(int)
-ZOOM_connection_errcode (ZOOM_connection c)
-{
- return ZOOM_connection_error (c, 0, 0);
-}
-
-ZOOM_API(const char *)
-ZOOM_connection_errmsg (ZOOM_connection c)
-{
- const char *msg;
- ZOOM_connection_error (c, &msg, 0);
- return msg;
-}
-
-ZOOM_API(const char *)
-ZOOM_connection_addinfo (ZOOM_connection c)
-{
- const char *addinfo;
- ZOOM_connection_error (c, 0, &addinfo);
- 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_x (ZOOM_connection c, const char **cp,
- const char **addinfo, const char **diagset)
-{
- int error = c->error;
- if (cp)
- {
- 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)
- *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;
- int r = cs_look(c->cs);
- yaz_log (LOG_DEBUG, "ZOOM_connection_do_io c=%p mask=%d cs_look=%d",
- c, mask, r);
-
- if (r == CS_NONE)
- {
- event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
- set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
- do_close (c);
- ZOOM_connection_put_event (c, event);
- }
- else if (r == CS_CONNECT)
- {
- int ret;
- event = ZOOM_Event_create (ZOOM_EVENT_CONNECT);
-
- ret = cs_rcvconnect (c->cs);
- yaz_log (LOG_DEBUG, "cs_rcvconnect returned %d", ret);
- if (ret == 1)
- {
- 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;
- ZOOM_connection_put_event (c, event);
- }
- else if (ret == 0)
- {
- ZOOM_connection_put_event (c, event);
- 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
- {
- set_ZOOM_error(c, ZOOM_ERROR_CONNECT, 0);
- do_close (c);
- ZOOM_connection_put_event (c, event);
- }
- }
- else
- {
- if (mask & ZOOM_SELECT_READ)
- do_read (c);
- if (c->cs && (mask & ZOOM_SELECT_WRITE))
- do_write (c);
- }
- return 1;
-}
-
-ZOOM_API(int)
-ZOOM_connection_last_event(ZOOM_connection cs)
-{
- if (!cs)
- return ZOOM_EVENT_NONE;
- return cs->last_event;
-}
-
-ZOOM_API(int)
-ZOOM_event (int no, ZOOM_connection *cs)
-{
- int timeout = 5000;
-#if HAVE_SYS_POLL_H
- struct pollfd pollfds[1024];
- ZOOM_connection poll_cs[1024];
-#else
- struct timeval tv;
- fd_set input, output, except;
-#endif
- int i, r, nfds;
- int max_fd = 0;
-
- for (i = 0; i<no; i++)
- {
- ZOOM_connection c = cs[i];
- ZOOM_Event event;
- if (c && (event = ZOOM_connection_get_event(c)))
- {
- ZOOM_Event_destroy (event);
- return i+1;
- }
- }
- for (i = 0; i<no; i++)
- {
- ZOOM_connection c = cs[i];
- ZOOM_Event event;
- if (c && ZOOM_connection_exec_task (c))
- {
- if ((event = ZOOM_connection_get_event(c)))
- {
- ZOOM_Event_destroy (event);
- return i+1;
- }
- }
- }
-#if HAVE_SYS_POLL_H
-
-#else
- FD_ZERO (&input);
- FD_ZERO (&output);
- FD_ZERO (&except);
-#endif
- nfds = 0;
- for (i = 0; i<no; i++)
- {
- ZOOM_connection c = cs[i];
- int fd, mask;
- int this_timeout;
-
- if (!c)
- continue;
- fd = z3950_connection_socket(c);
- mask = z3950_connection_mask(c);
-
- if (fd == -1)
- continue;
- if (max_fd < fd)
- max_fd = fd;
-
- this_timeout = ZOOM_options_get_int (c->options, "timeout", -1);
- if (this_timeout != -1 && this_timeout < timeout)
- timeout = this_timeout;
-#if HAVE_SYS_POLL_H
- if (mask)
- {
- short poll_events = 0;
-
- if (mask & ZOOM_SELECT_READ)
- poll_events += POLLIN;
- if (mask & ZOOM_SELECT_WRITE)
- poll_events += POLLOUT;
- if (mask & ZOOM_SELECT_EXCEPT)
- poll_events += POLLERR;
- pollfds[nfds].fd = fd;
- pollfds[nfds].events = poll_events;
- pollfds[nfds].revents = 0;
- poll_cs[nfds] = c;
- nfds++;
- }
-#else
- if (mask & ZOOM_SELECT_READ)
- {
- FD_SET (fd, &input);
- nfds++;
- }
- if (mask & ZOOM_SELECT_WRITE)
- {
- FD_SET (fd, &output);
- nfds++;
- }
- if (mask & ZOOM_SELECT_EXCEPT)
- {
- FD_SET (fd, &except);
- nfds++;
- }
-#endif
- }
- if (timeout >= 5000)
- timeout = 30;
-
- if (!nfds)
- return 0;
-
-#if HAVE_SYS_POLL_H
- r = poll (pollfds, nfds, timeout * 1000);
- for (i = 0; i<nfds; i++)
- {
- ZOOM_connection c = poll_cs[i];
- if (r && c->mask)
- {
- int mask = 0;
- if (pollfds[i].revents & POLLIN)
- mask += ZOOM_SELECT_READ;
- if (pollfds[i].revents & POLLOUT)
- mask += ZOOM_SELECT_WRITE;
- if (pollfds[i].revents & POLLERR)
- mask += ZOOM_SELECT_EXCEPT;
- if (mask)
- ZOOM_connection_do_io(c, mask);
- }
- else if (r == 0 && c->mask)
- {
- ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
- /* timeout and this connection was waiting */
- set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
- do_close (c);
- ZOOM_connection_put_event(c, event);
- }
- }
-#else
- tv.tv_sec = timeout;
- tv.tv_usec = 0;
- yaz_log (LOG_DEBUG, "select start");
- r = select (max_fd+1, &input, &output, &except, &tv);
- yaz_log (LOG_DEBUG, "select stop, returned r=%d", r);
- for (i = 0; i<no; i++)
- {
- ZOOM_connection c = cs[i];
- int fd, mask;
-
- if (!c)
- continue;
- fd = z3950_connection_socket(c);
- mask = 0;
- if (r && c->mask)
- {
- /* no timeout and real socket */
- if (FD_ISSET(fd, &input))
- mask += ZOOM_SELECT_READ;
- if (FD_ISSET(fd, &output))
- mask += ZOOM_SELECT_WRITE;
- if (FD_ISSET(fd, &except))
- mask += ZOOM_SELECT_EXCEPT;
- if (mask)
- ZOOM_connection_do_io(c, mask);
- }
- if (r == 0 && c->mask)
- {
- ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_TIMEOUT);
- /* timeout and this connection was waiting */
- set_ZOOM_error(c, ZOOM_ERROR_TIMEOUT, 0);
- do_close (c);
- yaz_log (LOG_DEBUG, "timeout");
- ZOOM_connection_put_event(c, event);
- }
- }
-#endif
- for (i = 0; i<no; i++)
- {
- ZOOM_connection c = cs[i];
- ZOOM_Event event;
- if (c && (event = ZOOM_connection_get_event(c)))
- {
- ZOOM_Event_destroy (event);
- return i+1;
- }
- }
- return 0;
-}
projects / yaz-moved-to-github.git / blobdiff