2 * Public header for ZOOM C.
3 * $Id: zoom.h,v 1.16 2003-01-06 08:20:27 adam 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);
70 ZOOM_connection_error_x (ZOOM_connection c, const char **cp,
71 const char **addinfo, const char **diagset);
73 /* returns error code */
75 ZOOM_connection_errcode (ZOOM_connection c);
76 /* returns error message */
77 ZOOM_API(const char *)
78 ZOOM_connection_errmsg (ZOOM_connection c);
79 /* returns additional info */
80 ZOOM_API(const char *)
81 ZOOM_connection_addinfo (ZOOM_connection c);
82 /* translates error code into human-readable string */
83 ZOOM_API(const char *)
84 ZOOM_diag_str (int error);
86 #define ZOOM_ERROR_NONE 0
87 #define ZOOM_ERROR_CONNECT 10000
88 #define ZOOM_ERROR_MEMORY 10001
89 #define ZOOM_ERROR_ENCODE 10002
90 #define ZOOM_ERROR_DECODE 10003
91 #define ZOOM_ERROR_CONNECTION_LOST 10004
92 #define ZOOM_ERROR_INIT 10005
93 #define ZOOM_ERROR_INTERNAL 10006
94 #define ZOOM_ERROR_TIMEOUT 10007
95 #define ZOOM_ERROR_UNSUPPORTED_PROTOCOL 10008
98 ZOOM_connection_last_event(ZOOM_connection cs);
100 #define ZOOM_EVENT_NONE 0
101 #define ZOOM_EVENT_CONNECT 1
102 #define ZOOM_EVENT_SEND_DATA 2
103 #define ZOOM_EVENT_RECV_DATA 3
104 #define ZOOM_EVENT_TIMEOUT 4
105 #define ZOOM_EVENT_UNKNOWN 5
106 #define ZOOM_EVENT_SEND_APDU 6
107 #define ZOOM_EVENT_RECV_APDU 7
109 /* ----------------------------------------------------------- */
112 /* create result set given a search */
113 ZOOM_API(ZOOM_resultset)
114 ZOOM_connection_search(ZOOM_connection, ZOOM_query q);
115 /* create result set given PQF query */
116 ZOOM_API(ZOOM_resultset)
117 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q);
119 /* destroy result set */
121 ZOOM_resultset_destroy(ZOOM_resultset r);
123 /* result set option */
124 ZOOM_API(const char *)
125 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key);
127 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key, const char *val);
129 /* return size of result set (alias hit count AKA result count) */
131 ZOOM_resultset_size (ZOOM_resultset r);
133 /* retrieve records */
135 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
136 size_t start, size_t count);
138 /* return record object at pos. Returns 0 if unavailable */
139 ZOOM_API(ZOOM_record)
140 ZOOM_resultset_record (ZOOM_resultset s, size_t pos);
142 /* like ZOOM_resultset_record - but never blocks .. */
143 ZOOM_API(ZOOM_record)
144 ZOOM_resultset_record_immediate (ZOOM_resultset s, size_t pos);
146 /* ----------------------------------------------------------- */
149 /* get record information, in a form given by type */
150 ZOOM_API(const char *)
151 ZOOM_record_get (ZOOM_record rec, const char *type, int *len);
155 ZOOM_record_destroy (ZOOM_record rec);
157 /* return copy of record */
158 ZOOM_API(ZOOM_record)
159 ZOOM_record_clone (ZOOM_record srec);
161 /* ----------------------------------------------------------- */
164 /* create search object */
166 ZOOM_query_create(void);
169 ZOOM_query_destroy(ZOOM_query s);
172 ZOOM_query_cql(ZOOM_query s, const char *str);
175 ZOOM_query_prefix(ZOOM_query s, const char *str);
176 /* specify sort criteria for search */
178 ZOOM_query_sortby(ZOOM_query s, const char *criteria);
180 /* ----------------------------------------------------------- */
182 ZOOM_API(ZOOM_scanset)
183 ZOOM_connection_scan (ZOOM_connection c, const char *startterm);
185 ZOOM_API(const char *)
186 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
190 ZOOM_scanset_size(ZOOM_scanset scan);
193 ZOOM_scanset_destroy (ZOOM_scanset scan);
195 ZOOM_API(const char *)
196 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key);
199 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
201 /* ----------------------------------------------------------- */
202 /* Extended Services Packages */
204 ZOOM_API(ZOOM_package)
205 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options);
208 ZOOM_package_destroy(ZOOM_package p);
211 ZOOM_package_send (ZOOM_package p, const char *type);
213 ZOOM_API(const char *)
214 ZOOM_package_option_get (ZOOM_package p, const char *key);
217 ZOOM_package_option_set (ZOOM_package p, const char *key,
220 /* ----------------------------------------------------------- */
223 ZOOM_API(ZOOM_options_callback)
224 ZOOM_options_set_callback (ZOOM_options opt,
225 ZOOM_options_callback c,
227 ZOOM_API(ZOOM_options)
228 ZOOM_options_create (void);
230 ZOOM_API(ZOOM_options)
231 ZOOM_options_create_with_parent (ZOOM_options parent);
233 ZOOM_API(ZOOM_options)
234 ZOOM_options_create_with_parent2 (ZOOM_options parent1,
235 ZOOM_options parent2);
237 ZOOM_API(const char *)
238 ZOOM_options_get (ZOOM_options opt, const char *name);
241 ZOOM_options_set (ZOOM_options opt, const char *name, const char *v);
244 ZOOM_options_setl (ZOOM_options opt, const char *name, const char *value,
248 ZOOM_options_destroy (ZOOM_options opt);
251 ZOOM_options_get_bool (ZOOM_options opt, const char *name, int defa);
254 ZOOM_options_get_int (ZOOM_options opt, const char *name, int defa);
257 ZOOM_options_set_int(ZOOM_options opt, const char *name, int value);
259 /* ----------------------------------------------------------- */
261 /* poll for events on a number of connections. Returns positive
262 integer if event occurred ; zero if none occurred and no more
263 events are pending. The positive integer specifies the
264 connection for which the event occurred. */
266 ZOOM_event (int no, ZOOM_connection *cs);