8 #include <libxslt/xsltutils.h>
9 #include <libxslt/transform.h>
11 #include <yaz/comstack.h>
12 #include <yaz/pquery.h>
14 #include <yaz/yaz-ccl.h>
16 #include "termlists.h"
17 #include "relevance.h"
32 struct record_metadata {
33 union data_types data;
34 struct record_metadata *next; // next item of this name
38 struct client *client;
39 struct record_metadata **metadata; // Array mirrors list of metadata fields in config
40 union data_types **sortkeys; // Array mirrors list of sortkey fields in config
41 struct record *next; // Next in cluster of merged records
46 struct record_metadata **metadata; // Array mirrors list of metadata fields in config
47 union data_types **sortkeys;
50 int *term_frequency_vec;
51 int recid; // Set-specific ID for this record
52 struct record *records;
57 // Represents a host (irrespective of databases)
61 struct connection *connections; // All connections to this
65 // Represents a (virtual) database on a host
72 struct zr_explain *explain;
73 struct conf_queryprofile *qprofile;
74 struct conf_retrievalprofile *rprofile;
75 struct database *next;
78 struct database_criterion {
81 struct database_criterion *next;
84 // Represents a physical, reusable connection to a remote Z39.50 host
89 struct client *client;
97 struct connection *next;
100 // Represents client state for a connection to one search target
102 struct database *database;
103 struct connection *connection;
104 struct session *session;
108 int requestid; // ID of current outstanding request
126 #define SESSION_WATCH_RECORDS 0
127 #define SESSION_WATCH_MAX 0
129 #define SESSION_MAX_TERMLISTS 10
131 typedef void (*session_watchfun)(void *data);
133 struct named_termlist
136 struct termlist *termlist;
141 struct client *clients;
144 NMEM nmem; // Nmem for each operation (i.e. search)
145 WRBUF wrbuf; // Wrbuf for scratch(i.e. search)
147 struct named_termlist termlists[SESSION_MAX_TERMLISTS];
148 struct relevance *relevance;
149 struct reclist *reclist;
152 session_watchfun fun;
153 } watchlist[SESSION_WATCH_MAX + 1];
154 int expected_maxrecs;
162 int num_no_connection;
164 int num_initializing;
174 struct hitsbytarget {
185 char proxy_override[128];
186 char listener_override[128];
187 struct conf_server *server;
189 int timeout; /* operations timeout, in seconds */
190 char implementationId[128];
191 char implementationName[128];
192 char implementationVersion[128];
193 int target_timeout; // seconds
197 CCL_bibset ccl_filter;
203 struct hitsbytarget *hitsbytarget(struct session *s, int *count);
204 int select_targets(struct session *se, struct database_criterion *crit);
205 struct session *new_session();
206 void destroy_session(struct session *s);
207 int load_targets(struct session *s, const char *fn);
208 void statistics(struct session *s, struct statistics *stat);
209 char *search(struct session *s, char *query, char *filter);
210 struct record_cluster **show(struct session *s, struct reclist_sortparms *sp, int start,
211 int *num, int *total, int *sumhits, NMEM nmem_show);
212 struct record_cluster *show_single(struct session *s, int id);
213 struct termlist_score **termlist(struct session *s, const char *name, int *num);
214 void session_set_watch(struct session *s, int what, session_watchfun fun, void *data);
215 int session_active_clients(struct session *s);
222 * indent-tabs-mode: nil
224 * vim: shiftwidth=4 tabstop=8 expandtab