2 * Public header for ZOOM C.
3 * $Id: zoom.h,v 1.19 2003-11-19 19:07:26 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
96 #define ZOOM_ERROR_UNSUPPORTED_QUERY 10009
99 ZOOM_connection_last_event(ZOOM_connection cs);
101 #define ZOOM_EVENT_NONE 0
102 #define ZOOM_EVENT_CONNECT 1
103 #define ZOOM_EVENT_SEND_DATA 2
104 #define ZOOM_EVENT_RECV_DATA 3
105 #define ZOOM_EVENT_TIMEOUT 4
106 #define ZOOM_EVENT_UNKNOWN 5
107 #define ZOOM_EVENT_SEND_APDU 6
108 #define ZOOM_EVENT_RECV_APDU 7
109 #define ZOOM_EVENT_RECV_RECORD 8
110 #define ZOOM_EVENT_RECV_SEARCH 9
112 /* ----------------------------------------------------------- */
115 /* create result set given a search */
116 ZOOM_API(ZOOM_resultset)
117 ZOOM_connection_search(ZOOM_connection, ZOOM_query q);
118 /* create result set given PQF query */
119 ZOOM_API(ZOOM_resultset)
120 ZOOM_connection_search_pqf(ZOOM_connection c, const char *q);
122 /* destroy result set */
124 ZOOM_resultset_destroy(ZOOM_resultset r);
126 /* result set option */
127 ZOOM_API(const char *)
128 ZOOM_resultset_option_get (ZOOM_resultset r, const char *key);
130 ZOOM_resultset_option_set (ZOOM_resultset r, const char *key, const char *val);
132 /* return size of result set (alias hit count AKA result count) */
134 ZOOM_resultset_size (ZOOM_resultset r);
136 /* retrieve records */
138 ZOOM_resultset_records (ZOOM_resultset r, ZOOM_record *recs,
139 size_t start, size_t count);
141 /* return record object at pos. Returns 0 if unavailable */
142 ZOOM_API(ZOOM_record)
143 ZOOM_resultset_record (ZOOM_resultset s, size_t pos);
145 /* like ZOOM_resultset_record - but never blocks .. */
146 ZOOM_API(ZOOM_record)
147 ZOOM_resultset_record_immediate (ZOOM_resultset s, size_t pos);
149 /* ----------------------------------------------------------- */
152 /* get record information, in a form given by type */
153 ZOOM_API(const char *)
154 ZOOM_record_get (ZOOM_record rec, const char *type, int *len);
158 ZOOM_record_destroy (ZOOM_record rec);
160 /* return copy of record */
161 ZOOM_API(ZOOM_record)
162 ZOOM_record_clone (ZOOM_record srec);
164 /* ----------------------------------------------------------- */
167 /* create search object */
169 ZOOM_query_create(void);
172 ZOOM_query_destroy(ZOOM_query s);
175 ZOOM_query_cql(ZOOM_query s, const char *str);
178 ZOOM_query_prefix(ZOOM_query s, const char *str);
179 /* specify sort criteria for search */
181 ZOOM_query_sortby(ZOOM_query s, const char *criteria);
183 /* ----------------------------------------------------------- */
185 ZOOM_API(ZOOM_scanset)
186 ZOOM_connection_scan (ZOOM_connection c, const char *startterm);
188 ZOOM_API(const char *)
189 ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
192 ZOOM_API(const char *)
193 ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
197 ZOOM_scanset_size(ZOOM_scanset scan);
200 ZOOM_scanset_destroy (ZOOM_scanset scan);
202 ZOOM_API(const char *)
203 ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key);
206 ZOOM_scanset_option_set (ZOOM_scanset scan, const char *key,
208 /* ----------------------------------------------------------- */
209 /* Extended Services Packages */
211 ZOOM_API(ZOOM_package)
212 ZOOM_connection_package (ZOOM_connection c, ZOOM_options options);
215 ZOOM_package_destroy(ZOOM_package p);
218 ZOOM_package_send (ZOOM_package p, const char *type);
220 ZOOM_API(const char *)
221 ZOOM_package_option_get (ZOOM_package p, const char *key);
224 ZOOM_package_option_set (ZOOM_package p, const char *key,
227 /* ----------------------------------------------------------- */
230 ZOOM_API(ZOOM_options_callback)
231 ZOOM_options_set_callback (ZOOM_options opt,
232 ZOOM_options_callback c,
234 ZOOM_API(ZOOM_options)
235 ZOOM_options_create (void);
237 ZOOM_API(ZOOM_options)
238 ZOOM_options_create_with_parent (ZOOM_options parent);
240 ZOOM_API(ZOOM_options)
241 ZOOM_options_create_with_parent2 (ZOOM_options parent1,
242 ZOOM_options parent2);
244 ZOOM_API(const char *)
245 ZOOM_options_get (ZOOM_options opt, const char *name);
248 ZOOM_options_set (ZOOM_options opt, const char *name, const char *v);
251 ZOOM_options_setl (ZOOM_options opt, const char *name, const char *value,
255 ZOOM_options_destroy (ZOOM_options opt);
258 ZOOM_options_get_bool (ZOOM_options opt, const char *name, int defa);
261 ZOOM_options_get_int (ZOOM_options opt, const char *name, int defa);
264 ZOOM_options_set_int(ZOOM_options opt, const char *name, int value);
266 /* ----------------------------------------------------------- */
268 /* poll for events on a number of connections. Returns positive
269 integer if event occurred ; zero if none occurred and no more
270 events are pending. The positive integer specifies the
271 connection for which the event occurred. */
273 ZOOM_event (int no, ZOOM_connection *cs);