-/* $Id: pazpar2.h,v 1.25 2007-04-17 21:25:26 quinn Exp $
+/* $Id: pazpar2.h,v 1.40 2007-06-13 08:04:03 adam Exp $
Copyright (c) 2006-2007, Index Data.
This file is part of Pazpar2.
#ifndef PAZPAR2_H
#define PAZPAR2_H
-struct record;
#include <netdb.h>
#include "reclists.h"
#include "eventl.h"
#include "config.h"
+#include "parameters.h"
+struct record;
struct client;
-union data_types {
- char *text;
- struct {
- int min;
- int max;
- } number;
-};
-struct record_metadata {
- union data_types data;
- struct record_metadata *next; // next item of this name
-};
+enum pazpar2_error_code {
+ PAZPAR2_NO_ERROR = 0,
-struct record {
- struct client *client;
- struct record_metadata **metadata; // Array mirrors list of metadata fields in config
- union data_types **sortkeys; // Array mirrors list of sortkey fields in config
- struct record *next; // Next in cluster of merged records
-};
-
-struct record_cluster
-{
- struct record_metadata **metadata; // Array mirrors list of metadata fields in config
- union data_types **sortkeys;
- char *merge_key;
- int relevance;
- int *term_frequency_vec;
- int recid; // Set-specific ID for this record
- struct record *records;
-};
-
-struct connection;
-
-// Represents a host (irrespective of databases)
-struct host {
- char *hostport;
- char *ipport;
- struct connection *connections; // All connections to this
- struct host *next;
+ PAZPAR2_NO_SESSION,
+ PAZPAR2_MISSING_PARAMETER,
+ PAZPAR2_MALFORMED_PARAMETER_VALUE,
+ PAZPAR2_MALFORMED_PARAMETER_ENCODING,
+ PAZPAR2_MALFORMED_SETTING,
+ PAZPAR2_HITCOUNTS_FAILED,
+ PAZPAR2_RECORD_MISSING,
+ PAZPAR2_NO_TARGETS,
+ PAZPAR2_CONFIG_TARGET
};
// Represents a (virtual) database on a host
struct zr_explain *explain;
struct setting **settings;
struct database *next;
- CCL_bibset ccl_map;
- yaz_marc_t yaz_marc;
- struct database_retrievalmap *map;
-};
-
-// Normalization filter. Turns incoming record into internal representation
-// Simple sequence of stylesheets run in series.
-struct database_retrievalmap {
- xsltStylesheet *stylesheet;
- struct database_retrievalmap *next;
};
struct database_criterion_value {
struct database_criterion *next;
};
-// Represents a physical, reusable connection to a remote Z39.50 host
-struct connection {
- IOCHAN iochan;
- COMSTACK link;
- struct host *host;
- struct client *client;
- char *ibuf;
- int ibufsize;
- enum {
- Conn_Connecting,
- Conn_Open,
- Conn_Waiting,
- } state;
- struct connection *next;
+// Normalization filter. Turns incoming record into internal representation
+// Simple sequence of stylesheets run in series.
+struct database_retrievalmap {
+ xsltStylesheet *stylesheet;
+ struct database_retrievalmap *next;
};
-// Represents client state for a connection to one search target
-struct client {
- struct session_database *database;
- struct connection *connection;
- struct session *session;
- char *pquery; // Current search
- int hits;
- int records;
- int setno;
- int requestid; // ID of current outstanding request
- int diagnostic;
- enum client_state
- {
- Client_Connecting,
- Client_Connected,
- Client_Idle,
- Client_Initializing,
- Client_Searching,
- Client_Presenting,
- Client_Error,
- Client_Failed,
- Client_Disconnected,
- Client_Stopped
- } state;
- struct client *next;
+// Represents a database as viewed from one session, possibly with settings overriden
+// for that session
+struct session_database
+{
+ pp2_charset_t pct;
+ struct database *database;
+ struct setting **settings;
+ yaz_marc_t yaz_marc;
+ struct database_retrievalmap *map;
+ struct session_database *next;
};
#define SESSION_WATCH_RECORDS 0
struct termlist *termlist;
};
-// Represents a database as viewed from one session, possibly with settings overriden
-// for that session (to support authorization/authentication)
-struct session_database
-{
- struct database *database;
- struct setting **settings;
- struct session_database *next;
-};
-
// End-user session
struct session {
struct session_database *databases; // All databases, settings overriden
struct client *clients; // Clients connected for current search
int requestid;
- char query[1024];
NMEM session_nmem; // Nmem for session-permanent storage
NMEM nmem; // Nmem for each operation (i.e. search, result set, etc)
WRBUF wrbuf; // Wrbuf for scratch(i.e. search)
int hits;
int diagnostic;
int records;
- char* state;
+ const char *state;
int connected;
};
-struct parameters {
- char proxy_override[128];
- char listener_override[128];
- char zproxy_override[128];
- char settings_path_override[128];
- struct conf_server *server;
- int dump_records;
- int timeout; /* operations timeout, in seconds */
- char implementationId[128];
- char implementationName[128];
- char implementationVersion[128];
- int target_timeout; // seconds
- int session_timeout;
- int toget;
- int chunk;
- ODR odr_out;
- ODR odr_in;
-};
-
struct hitsbytarget *hitsbytarget(struct session *s, int *count);
int select_targets(struct session *se, struct database_criterion *crit);
struct session *new_session(NMEM nmem);
void destroy_session(struct session *s);
int load_targets(struct session *s, const char *fn);
void statistics(struct session *s, struct statistics *stat);
-char *search(struct session *s, char *query, char *filter);
+enum pazpar2_error_code search(struct session *s, char *query,
+ char *filter, const char **addinfo);
struct record_cluster **show(struct session *s, struct reclist_sortparms *sp, int start,
int *num, int *total, int *sumhits, NMEM nmem_show);
struct record_cluster *show_single(struct session *s, int id);
void start_http_listener(void);
void start_proxy(void);
-void start_zproxy(void);
+//void start_zproxy(void);
+
+void pazpar2_add_channel(IOCHAN c);
+void pazpar2_event_loop(void);
+
+int host_getaddrinfo(struct host *host);
+
+xmlDoc *normalize_record(struct session_database *sdb, Z_External *rec);
+
+struct record *ingest_record(struct client *cl, Z_External *rec,
+ int record_no);
+void session_alert_watch(struct session *s, int what);
+void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num);
+
+int pazpar2_process(int debug,
+ void (*work)(void *data), void *data,
+ const char *pidfile, const char *uid);
-extern struct parameters global_parameters;
-extern IOCHAN channel_list;
#endif
projects / pazpar2-moved-to-github.git / blobdiff