ZOOM: initial experiments with memcached
[yaz-moved-to-github.git] / src / zoom-p.h
index 3e6bcff..a2cab30 100644 (file)
@@ -1,36 +1,57 @@
-/*
- * Copyright (C) 1995-2005, Index Data ApS
- * See the file LICENSE for details.
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) Index Data.
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Index Data nor the names of its contributors
+ *       may be used to endorse or promote products derived from this
+ *       software without specific prior written permission.
  *
- * $Id: zoom-p.h,v 1.11 2006-05-10 07:34:38 adam Exp $
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 /**
  * \file zoom-p.h
  * \brief Internal header for ZOOM implementation
  */
-
 #include <yaz/proto.h>
+#include <yaz/oid_db.h>
 #include <yaz/comstack.h>
 #include <yaz/wrbuf.h>
 #include <yaz/zoom.h>
-#include <yaz/sortspec.h>
-typedef struct ZOOM_Event_p *ZOOM_Event;
+#include <yaz/srw.h>
+#include <yaz/cookie.h>
+#include <yaz/mutex.h>
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
+#include <libmemcached/memcached.h>
+#endif
 
-struct ZOOM_query_p {
-    Z_Query *z_query;
-    Z_SortKeySpecList *sort_spec;
-    int refcount;
-    ODR odr;
-    char *query_string;
-};
+#define SHPTR 1
+
+typedef struct ZOOM_Event_p *ZOOM_Event;
 
 typedef enum {
     zoom_sru_error,
     zoom_sru_soap,
     zoom_sru_get,
     zoom_sru_post,
+    zoom_sru_solr
 } zoom_sru_mode;
-    
+
 
 typedef struct ZOOM_task_p *ZOOM_task;
 
@@ -38,15 +59,10 @@ typedef struct ZOOM_task_p *ZOOM_task;
 #define STATE_CONNECTING 1
 #define STATE_ESTABLISHED 2
 
-#define ZOOM_SELECT_READ 1
-#define ZOOM_SELECT_WRITE 2
-#define ZOOM_SELECT_EXCEPT 4
-
 struct ZOOM_connection_p {
     enum oid_proto proto;
     COMSTACK cs;
     char *host_port;
-    char *path;
     int error;
     char *addinfo;
     char *diagset;
@@ -55,44 +71,51 @@ struct ZOOM_connection_p {
     int reconnect_ok;
     ODR odr_in;
     ODR odr_out;
+    ODR odr_print;
+    ODR odr_save;
+
     char *buf_in;
     int len_in;
     char *buf_out;
     int len_out;
     char *proxy;
+    char *tproxy;
     char *charset;
     char *lang;
     char *cookie_out;
     char *cookie_in;
     char *client_IP;
+    char *sru_version;
+
+    char *user;
+    char *group;
+    char *password;
+    int url_authentication;
+
     int async;
     int support_named_resultsets;
     int last_event;
+
+    int maximum_record_size;
+    int preferred_message_size;
+
     ZOOM_task tasks;
     ZOOM_options options;
     ZOOM_resultset resultsets;
     ZOOM_Event m_queue_front;
     ZOOM_Event m_queue_back;
     zoom_sru_mode sru_mode;
-};
+    int no_redirects; /* 0 for no redirects. >0 for number of redirects */
+    yaz_cookies_t cookies;
 
-struct ZOOM_options_entry {
-    char *name;
-    char *value;
-    int len;                  /* of `value', which may contain NULs */
-    struct ZOOM_options_entry *next;
+    int log_details;
+    int log_api;
+    WRBUF saveAPDU_wrbuf;
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
+    memcached_st *mc_st;
+#endif
 };
 
-struct ZOOM_options_p {
-    int refcount;
-    void *callback_handle;
-    ZOOM_options_callback callback_func;
-    struct ZOOM_options_entry *entries;
-    ZOOM_options parent1;
-    ZOOM_options parent2;
-};
-
-
 typedef struct ZOOM_record_cache_p *ZOOM_record_cache;
 
 #define RECORD_HASH_SIZE  131
@@ -101,35 +124,36 @@ struct ZOOM_resultset_p {
     Z_SortKeySpecList *r_sort_spec;
     ZOOM_query query;
     int refcount;
-    int size;
-    int start;
-    int count;
+    Odr_int size;
     int step;
     int piggyback;
     char *setname;
-    char *schema;
     ODR odr;
     ZOOM_record_cache record_hash[RECORD_HASH_SIZE];
     ZOOM_options options;
     ZOOM_connection connection;
+    char **databaseNames;
+    int num_databaseNames;
+    YAZ_MUTEX mutex;
+#if SHPTR
+    struct WRBUF_shptr *record_wrbuf;
+#endif
     ZOOM_resultset next;
+    ZOOM_facet_field *facets;
+    int num_facets;
+    char **facets_names;
+    WRBUF mc_key;
 };
 
-struct ZOOM_record_p {
-    ODR odr;
-    WRBUF wrbuf_marc;
-    WRBUF wrbuf_iconv;
-    WRBUF wrbuf_opac;
-    Z_NamePlusRecord *npr;
+struct facet_term_p {
+    char *term;
+    int frequency;
 };
 
-struct ZOOM_record_cache_p {
-    struct ZOOM_record_p rec;
-    char *elementSetName;
-    char *syntax;
-    char *schema;
-    int pos;
-    ZOOM_record_cache next;
+struct ZOOM_facet_field_p {
+    char *facet_name;
+    int num_terms;
+    struct facet_term_p *facet_terms;
 };
 
 struct ZOOM_scanset_p {
@@ -137,9 +161,12 @@ struct ZOOM_scanset_p {
     ODR odr;
     ZOOM_options options;
     ZOOM_connection connection;
-    Z_AttributesPlusTerm *termListAndStartPoint;
-    Z_AttributeSetId *attributeSet;
+    ZOOM_query query;
     Z_ScanResponse *scan_response;
+    Z_SRW_scanResponse *srw_scan_response;
+
+    char **databaseNames;
+    int num_databaseNames;
 };
 
 struct ZOOM_package_p {
@@ -157,13 +184,22 @@ struct ZOOM_task_p {
     union {
 #define ZOOM_TASK_SEARCH 1
         struct {
+            int count;
+            int start;
             ZOOM_resultset resultset;
+            char *syntax;
+            char *elementSetName;
+            char *schema;
+            int recv_search_fired;
         } search;
 #define ZOOM_TASK_RETRIEVE 2
         struct {
             int start;
             ZOOM_resultset resultset;
             int count;
+            char *syntax;
+            char *elementSetName;
+            char *schema;
         } retrieve;
 #define ZOOM_TASK_CONNECT 3
 #define ZOOM_TASK_SCAN 4
@@ -181,16 +217,73 @@ struct ZOOM_task_p {
     ZOOM_task next;
 };
 
-struct ZOOM_Event_p {
-    int kind;
-    ZOOM_Event next;
-    ZOOM_Event prev;
-};
+typedef enum {
+    zoom_pending,
+    zoom_complete
+} zoom_ret;
 
 void ZOOM_options_addref (ZOOM_options opt);
+
+void ZOOM_handle_Z3950_apdu(ZOOM_connection c, Z_APDU *apdu);
+
+void ZOOM_set_dset_error(ZOOM_connection c, int error,
+                         const char *dset,
+                         const char *addinfo, const char *addinfo2);
+
+void ZOOM_set_error(ZOOM_connection c, int error, const char *addinfo);
+
+ZOOM_Event ZOOM_Event_create(int kind);
+void ZOOM_connection_put_event(ZOOM_connection c, ZOOM_Event event);
+
+zoom_ret ZOOM_connection_Z3950_send_search(ZOOM_connection c);
+zoom_ret send_Z3950_present(ZOOM_connection c);
+zoom_ret ZOOM_connection_Z3950_send_scan(ZOOM_connection c);
+zoom_ret ZOOM_send_buf(ZOOM_connection c);
+zoom_ret send_Z3950_sort(ZOOM_connection c, ZOOM_resultset resultset);
+char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
+                                     int *num, ODR odr);
+zoom_ret ZOOM_connection_Z3950_send_init(ZOOM_connection c);
+
+ZOOM_task ZOOM_connection_add_task(ZOOM_connection c, int which);
+void ZOOM_connection_remove_task(ZOOM_connection c);
+int ZOOM_test_reconnect(ZOOM_connection c);
+
+ZOOM_record ZOOM_record_cache_lookup(ZOOM_resultset r, int pos,
+                                     const char *syntax,
+                                     const char *elementSetName,
+                                     const char *schema);
+void ZOOM_record_cache_add(ZOOM_resultset r, Z_NamePlusRecord *npr,
+                           int pos,
+                           const char *syntax, const char *elementSetName,
+                           const char *schema,
+                           Z_SRW_diagnostic *diag);
+
+Z_Query *ZOOM_query_get_Z_Query(ZOOM_query s);
+Z_SortKeySpecList *ZOOM_query_get_sortspec(ZOOM_query s);
+const char *ZOOM_query_get_query_string(ZOOM_query s);
+const char *ZOOM_query_get_sru11(ZOOM_query s);
+
+int ZOOM_uri_to_code(const char *uri);
+
+zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c);
+zoom_ret ZOOM_connection_srw_send_scan(ZOOM_connection c);
+
+int ZOOM_handle_sru(ZOOM_connection c, Z_HTTP_Response *hres,
+                    zoom_ret *cret, char **addinfo);
+
+void ZOOM_set_HTTP_error(ZOOM_connection c, int error,
+                         const char *addinfo, const char *addinfo2);
+
+ZOOM_Event ZOOM_connection_get_event(ZOOM_connection c);
+void ZOOM_connection_remove_events(ZOOM_connection c);
+void ZOOM_Event_destroy(ZOOM_Event event);
+zoom_ret ZOOM_send_GDU(ZOOM_connection c, Z_GDU *gdu);
+void ZOOM_handle_facet_list(ZOOM_resultset r, Z_FacetList *fl);
+
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab