removing typo.
[pazpar2-moved-to-github.git] / src / http_command.c
index ffc9b81..0ad6492 100644 (file)
@@ -1,4 +1,4 @@
-/* $Id: http_command.c,v 1.53 2007-06-15 06:45:39 adam Exp $
+/* $Id: http_command.c,v 1.58 2007-08-17 12:39:11 adam Exp $
    Copyright (c) 2006-2007, Index Data.
 
 This file is part of Pazpar2.
@@ -20,7 +20,7 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  */
 
 /*
- * $Id: http_command.c,v 1.53 2007-06-15 06:45:39 adam Exp $
+ * $Id: http_command.c,v 1.58 2007-08-17 12:39:11 adam Exp $
  */
 
 #include <stdio.h>
@@ -243,10 +243,15 @@ static void cmd_init(struct http_channel *c)
 {
     unsigned int sesid;
     char buf[1024];
+    const char *clear = http_argbyname(c->request, "clear");
     struct http_session *s = http_session_create();
     struct http_response *rs = c->response;
 
     yaz_log(YLOG_DEBUG, "HTTP Session init");
+    if (!clear || *clear == '0')
+        session_init_databases(s->psession);
+    else
+        yaz_log(YLOG_LOG, "No databases preloaded");
     sesid = make_sessionid();
     s->session_id = sesid;
     if (process_settings(s->psession, c->request, c->response) < 0)
@@ -472,7 +477,8 @@ static void write_metadata(WRBUF w, struct conf_service *service,
 static void write_subrecord(struct record *r, WRBUF w,
         struct conf_service *service, int show_details)
 {
-    char *name = session_setting_oneval(client_get_database(r->client), PZ_NAME);
+    const char *name = session_setting_oneval(
+        client_get_database(r->client), PZ_NAME);
 
     wrbuf_puts(w, "<location id=\"");
     wrbuf_xmlputs(w, client_get_database(r->client)->database->url);
@@ -489,22 +495,34 @@ static void write_subrecord(struct record *r, WRBUF w,
 
 static void show_raw_record_error(void *data, const char *addinfo)
 {
-    struct http_channel *c = (struct http_channel *) data;
+    http_channel_observer_t obs = data;
+    struct http_channel *c = http_channel_observer_chan(obs);
     struct http_response *rs = c->response;
 
-    error(rs, PAZPAR2_NOT_IMPLEMENTED, addinfo);
+    http_remove_observer(obs);
+
+    error(rs, PAZPAR2_RECORD_FAIL, addinfo);
 }
 
 static void show_raw_record_ok(void *data, const char *buf, size_t sz)
 {
-    struct http_channel *c = (struct http_channel *) data;
+    http_channel_observer_t obs = data;
+    struct http_channel *c = http_channel_observer_chan(obs);
     struct http_response *rs = c->response;
 
+    http_remove_observer(obs);
+
     wrbuf_write(c->wrbuf, buf, sz);
     rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
     http_send_response(c);
 }
 
+void show_raw_reset(void *data, struct http_channel *c)
+{
+    struct client *client = data;
+    client_show_raw_reset(client);
+}
+
 static void cmd_record(struct http_channel *c)
 {
     struct http_response *rs = c->response;
@@ -516,8 +534,6 @@ static void cmd_record(struct http_channel *c)
     const char *idstr = http_argbyname(rq, "id");
     const char *offsetstr = http_argbyname(rq, "offset");
     
-    int id;
-
     if (!s)
         return;
     if (!idstr)
@@ -526,8 +542,7 @@ static void cmd_record(struct http_channel *c)
         return;
     }
     wrbuf_rewind(c->wrbuf);
-    id = atoi(idstr);
-    if (!(rec = show_single(s->psession, id)))
+    if (!(rec = show_single(s->psession, idstr)))
     {
         error(rs, PAZPAR2_RECORD_MISSING, idstr);
         return;
@@ -547,19 +562,25 @@ static void cmd_record(struct http_channel *c)
             error(rs, PAZPAR2_RECORD_FAIL, "no record at offset given");
             return;
         }
-        if (client_show_raw(r->client, r->position, syntax, esn, 
-                            c /* data */,
-                            show_raw_record_error,
-                            show_raw_record_ok))
+        else
         {
-            error(rs, PAZPAR2_RECORD_FAIL, "invalid parameters");
-            return;
+            http_channel_observer_t obs =
+                http_add_observer(c, r->client, show_raw_reset);
+            if (client_show_raw_begin(r->client, r->position, syntax, esn, 
+                                      obs /* data */,
+                                      show_raw_record_error,
+                                      show_raw_record_ok))
+            {
+                http_remove_observer(obs);
+                error(rs, PAZPAR2_RECORD_FAIL, "invalid parameters");
+                return;
+            }
         }
     }
     else
     {
         wrbuf_puts(c->wrbuf, "<record>\n");
-        wrbuf_printf(c->wrbuf, "<recid>%d</recid>\n", rec->recid);
+        wrbuf_printf(c->wrbuf, "<recid>%s</recid>\n", rec->recid);
         write_metadata(c->wrbuf, service, rec->metadata, 1);
         for (r = rec->records; r; r = r->next)
             write_subrecord(r, c->wrbuf, service, 1);
@@ -627,7 +648,7 @@ static void show_records(struct http_channel *c, int active)
             write_subrecord(p, c->wrbuf, service, 0); // subrecs w/o details
         if (ccount > 1)
             wrbuf_printf(c->wrbuf, "<count>%d</count>\n", ccount);
-        wrbuf_printf(c->wrbuf, "<recid>%d</recid>\n", rec->recid);
+        wrbuf_printf(c->wrbuf, "<recid>%s</recid>\n", rec->recid);
         wrbuf_puts(c->wrbuf, "</hit>\n");
     }
 
@@ -660,9 +681,14 @@ static void cmd_show(struct http_channel *c)
     {
         if (status && (!s->psession->reclist || !s->psession->reclist->num_records))
         {
-            session_set_watch(s->psession, SESSION_WATCH_RECORDS, show_records_ready, c);
-            yaz_log(YLOG_DEBUG, "Blocking on cmd_show");
-            return;
+            // if there is already a watch/block. we do not block this one
+            if (session_set_watch(s->psession,
+                                  SESSION_WATCH_RECORDS,
+                                  show_records_ready, c, c) == 0)
+            {
+                yaz_log(YLOG_DEBUG, "Blocking on cmd_show");
+                return;
+            }
         }
     }