2 * Public header for ZOOM C.
3 * $Id: zoom.h,v 1.14 2002-11-30 22:30:51 mike Exp $
6 #include <yaz/yconfig.h>
8 #define ZOOM_BEGIN_CDECL YAZ_BEGIN_CDECL
9 #define ZOOM_END_CDECL YAZ_END_CDECL
12 # define ZOOM_API(x) __declspec(dllexport) x __stdcall
14 # define ZOOM_API(x) x
19 /* ----------------------------------------------------------- */
20 /* the types we use */
22 typedef struct ZOOM_options_p *ZOOM_options;
23 typedef struct ZOOM_query_p *ZOOM_query;
24 typedef struct ZOOM_connection_p *ZOOM_connection;
25 typedef struct ZOOM_resultset_p *ZOOM_resultset;
26 typedef struct ZOOM_task_p *ZOOM_task;
27 typedef struct ZOOM_record_p *ZOOM_record;
28 typedef struct ZOOM_scanset_p *ZOOM_scanset;
29 typedef struct ZOOM_package_p *ZOOM_package;
31 typedef const char *(*ZOOM_options_callback)(void *handle, const char *name);
33 /* ----------------------------------------------------------- */
36 /* create connection, connect to host, if portnum is 0, then port is
37 read from host string (e.g. myhost:9821) */
38 ZOOM_API(ZOOM_connection)
39 ZOOM_connection_new (const char *host, int portnum);
41 /* create connection, don't connect, apply options */
42 ZOOM_API(ZOOM_connection)
43 ZOOM_connection_create (ZOOM_options options);
45 /* connect given existing connection */
47 ZOOM_connection_connect(ZOOM_connection c, const char *host,
50 /* destroy connection (close connection also) */
52 ZOOM_connection_destroy (ZOOM_connection c);
54 /* get/set option for connection */
55 ZOOM_API(const char *)
56 ZOOM_connection_option_get (ZOOM_connection c, const char *key);
59 ZOOM_connection_option_set (ZOOM_connection c, const char *key,
62 /* return error code (0 == success, failure otherwise). cp
63 holds error string on failure, addinfo holds addititional info (if any)
66 ZOOM_connection_error (ZOOM_connection c, const char **cp,
67 const char **addinfo);
69 /* returns error code */
71 ZOOM_connection_errcode (ZOOM_connection c);
72 /* returns error message */
73 ZOOM_API(const char *)
74 ZOOM_connection_errmsg (ZOOM_connection c);
75 /* returns additional info */
76 ZOOM_API(const char *)
77 ZOOM_connection_addinfo (ZOOM_connection c);
78 /* translates error code into human-readable string */
79 ZOOM_API(const char *)
80 ZOOM_diag_str (int error);
82 #define ZOOM_ERROR_NONE 0
83 #define ZOOM_ERROR_CONNECT 10000
84 #define ZOOM_ERROR_MEMORY 10001
85 #define ZOOM_ERROR_ENCODE 10002
86 #define ZOOM_ERROR_DECODE 10003
87 #define ZOOM_ERROR_CONNECTION_LOST 10004
88 #define ZOOM_ERROR_INIT 10005
89 #define ZOOM_ERROR_INTERNAL 10006
90 #define ZOOM_ERROR_TIMEOUT 10007
93 ZOOM_connection_last_event(ZOOM_connection cs);
95 #define ZOOM_EVENT_NONE 0
96 #define ZOOM_EVENT_CONNECT 1
97 #define ZOOM_EVENT_SEND_DATA 2
98 #define ZOOM_EVENT_RECV_DATA 3
99 #define ZOOM_EVENT_TIMEOUT 4
100 #define ZOOM_EVENT_UNKNOWN 5
101 #define ZOOM_EVENT_SEND_APDU 6
102 #define ZOOM_EVENT_RECV_APDU 7
104 /* ----------------------------------------------------------- */
107 /* create result set given a search */
108 ZOOM_API(ZOOM_resultset)
109 ZOOM_connection_search(ZOOM_connection, ZOOM_query q);
110 /* create result set given PQF query */
111 ZOOM_API(ZOOM_resultset)
112 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q);
114 /* destroy result set */
116 ZOOM_resultset_destroy(ZOOM_resultset r);
118 /* result set option */
119 ZOOM_API(const char *)
120 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key);
122 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key, const char *val);
124 /* return size of result set (alias hit count AKA result count) */
126 ZOOM_resultset_size (ZOOM_resultset r);
128 /* retrieve records */
130 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
131 size_t start, size_t count);
133 /* return record object at pos. Returns 0 if unavailable */
134 ZOOM_API(ZOOM_record)
135 ZOOM_resultset_record (ZOOM_resultset s, size_t pos);
137 /* like ZOOM_resultset_record - but never blocks .. */
138 ZOOM_API(ZOOM_record)
139 ZOOM_resultset_record_immediate (ZOOM_resultset s, size_t pos);
141 /* ----------------------------------------------------------- */
144 /* get record information, in a form given by type */
145 ZOOM_API(const char *)
146 ZOOM_record_get (ZOOM_record rec, const char *type, int *len);
150 ZOOM_record_destroy (ZOOM_record rec);
152 /* return copy of record */
153 ZOOM_API(ZOOM_record)
154 ZOOM_record_clone (ZOOM_record srec);
156 /* ----------------------------------------------------------- */
159 /* create search object */
161 ZOOM_query_create(void);
164 ZOOM_query_destroy(ZOOM_query s);
165 /* specify prefix query for search */
167 ZOOM_query_prefix(ZOOM_query s, const char *str);
168 /* specify sort criteria for search */
170 ZOOM_query_sortby(ZOOM_query s, const char *criteria);
172 /* ----------------------------------------------------------- */
174 ZOOM_API(ZOOM_scanset)
175 ZOOM_connection_scan (ZOOM_connection c, const char *startterm);
177 ZOOM_API(const char *)
178 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
182 ZOOM_scanset_size(ZOOM_scanset scan);
185 ZOOM_scanset_destroy (ZOOM_scanset scan);
187 ZOOM_API(const char *)
188 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key);
191 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
193 /* ----------------------------------------------------------- */
194 /* Extended Services Packages */
196 ZOOM_API(ZOOM_package)
197 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options);
200 ZOOM_package_destroy(ZOOM_package p);
203 ZOOM_package_send (ZOOM_package p, const char *type);
205 ZOOM_API(const char *)
206 ZOOM_package_option_get (ZOOM_package p, const char *key);
209 ZOOM_package_option_set (ZOOM_package p, const char *key,
212 /* ----------------------------------------------------------- */
215 ZOOM_API(ZOOM_options_callback)
216 ZOOM_options_set_callback (ZOOM_options opt,
217 ZOOM_options_callback c,
219 ZOOM_API(ZOOM_options)
220 ZOOM_options_create (void);
222 ZOOM_API(ZOOM_options)
223 ZOOM_options_create_with_parent (ZOOM_options parent);
225 ZOOM_API(ZOOM_options)
226 ZOOM_options_create_with_parent2 (ZOOM_options parent1,
227 ZOOM_options parent2);
229 ZOOM_API(const char *)
230 ZOOM_options_get (ZOOM_options opt, const char *name);
233 ZOOM_options_set (ZOOM_options opt, const char *name, const char *v);
236 ZOOM_options_setl (ZOOM_options opt, const char *name, const char *value,
240 ZOOM_options_destroy (ZOOM_options opt);
243 ZOOM_options_get_bool (ZOOM_options opt, const char *name, int defa);
246 ZOOM_options_get_int (ZOOM_options opt, const char *name, int defa);
249 ZOOM_options_set_int(ZOOM_options opt, const char *name, int value);
251 /* ----------------------------------------------------------- */
253 /* poll for events on a number of connections. Returns positive
254 integer if event occurred ; zero if none occurred and no more
255 events are pending. The positive integer specifies the
256 connection for which the event occurred. */
258 ZOOM_event (int no, ZOOM_connection *cs);