src/zoom-p.h

   1 /*
   2  * Copyright (C) 1995-2005, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: zoom-p.h,v 1.14 2006-10-26 15:34:46 adam Exp $
   6  */
   7 /**
   8  * \file zoom-p.h
   9  * \brief Internal header for ZOOM implementation
  10  */
  11
  12 #include <yaz/proto.h>
  13 #include <yaz/comstack.h>
  14 #include <yaz/wrbuf.h>
  15 #include <yaz/zoom.h>
  16 #include <yaz/sortspec.h>
  17 typedef struct ZOOM_Event_p *ZOOM_Event;
  18
  19 struct ZOOM_query_p {
  20     Z_Query *z_query;
  21     Z_SortKeySpecList *sort_spec;
  22     int refcount;
  23     ODR odr;
  24     char *query_string;
  25 };
  26
  27 typedef enum {
  28     zoom_sru_error,
  29     zoom_sru_soap,
  30     zoom_sru_get,
  31     zoom_sru_post
  32 } zoom_sru_mode;
  33
  34
  35 typedef struct ZOOM_task_p *ZOOM_task;
  36
  37 #define STATE_IDLE 0
  38 #define STATE_CONNECTING 1
  39 #define STATE_ESTABLISHED 2
  40
  41 #define ZOOM_SELECT_READ 1
  42 #define ZOOM_SELECT_WRITE 2
  43 #define ZOOM_SELECT_EXCEPT 4
  44
  45 struct ZOOM_connection_p {
  46     enum oid_proto proto;
  47     COMSTACK cs;
  48     char *host_port;
  49     char *path;
  50     int error;
  51     char *addinfo;
  52     char *diagset;
  53     int state;
  54     int mask;
  55     int reconnect_ok;
  56     ODR odr_in;
  57     ODR odr_out;
  58     char *buf_in;
  59     int len_in;
  60     char *buf_out;
  61     int len_out;
  62     char *proxy;
  63     char *charset;
  64     char *lang;
  65     char *cookie_out;
  66     char *cookie_in;
  67     char *client_IP;
  68     int async;
  69     int support_named_resultsets;
  70     int last_event;
  71     ZOOM_task tasks;
  72     ZOOM_options options;
  73     ZOOM_resultset resultsets;
  74     ZOOM_Event m_queue_front;
  75     ZOOM_Event m_queue_back;
  76     zoom_sru_mode sru_mode;
  77 };
  78
  79 struct ZOOM_options_entry {
  80     char *name;
  81     char *value;
  82     int len;                  /* of `value', which may contain NULs */
  83     struct ZOOM_options_entry *next;
  84 };
  85
  86 struct ZOOM_options_p {
  87     int refcount;
  88     void *callback_handle;
  89     ZOOM_options_callback callback_func;
  90     struct ZOOM_options_entry *entries;
  91     ZOOM_options parent1;
  92     ZOOM_options parent2;
  93 };
  94
  95
  96 typedef struct ZOOM_record_cache_p *ZOOM_record_cache;
  97
  98 #define RECORD_HASH_SIZE  131
  99
 100 struct ZOOM_resultset_p {
 101     Z_SortKeySpecList *r_sort_spec;
 102     ZOOM_query query;
 103     int refcount;
 104     int size;
 105     int step;
 106     int piggyback;
 107     char *setname;
 108     char *schema;
 109     ODR odr;
 110     ZOOM_record_cache record_hash[RECORD_HASH_SIZE];
 111     ZOOM_options options;
 112     ZOOM_connection connection;
 113     ZOOM_resultset next;
 114 };
 115
 116 struct ZOOM_record_p {
 117     ODR odr;
 118     WRBUF wrbuf_marc;
 119     WRBUF wrbuf_iconv;
 120     WRBUF wrbuf_opac;
 121     Z_NamePlusRecord *npr;
 122 };
 123
 124 struct ZOOM_record_cache_p {
 125     struct ZOOM_record_p rec;
 126     char *elementSetName;
 127     char *syntax;
 128     char *schema;
 129     int pos;
 130     ZOOM_record_cache next;
 131 };
 132
 133 struct ZOOM_scanset_p {
 134     int refcount;
 135     ODR odr;
 136     ZOOM_options options;
 137     ZOOM_connection connection;
 138     Z_AttributesPlusTerm *termListAndStartPoint;
 139     Z_AttributeSetId *attributeSet;
 140     Z_ScanResponse *scan_response;
 141 };
 142
 143 struct ZOOM_package_p {
 144     int refcount;
 145     ODR odr_out;
 146     ZOOM_options options;
 147     ZOOM_connection connection;
 148     char *buf_out;
 149     int len_out;
 150 };
 151
 152 struct ZOOM_task_p {
 153     int running;
 154     int which;
 155     union {
 156 #define ZOOM_TASK_SEARCH 1
 157         struct {
 158             int count;
 159             int start;
 160             ZOOM_resultset resultset;
 161             char *syntax;
 162             char *elementSetName;
 163         } search;
 164 #define ZOOM_TASK_RETRIEVE 2
 165         struct {
 166             int start;
 167             ZOOM_resultset resultset;
 168             int count;
 169             char *syntax;
 170             char *elementSetName;
 171         } retrieve;
 172 #define ZOOM_TASK_CONNECT 3
 173 #define ZOOM_TASK_SCAN 4
 174         struct {
 175             ZOOM_scanset scan;
 176         } scan;
 177 #define ZOOM_TASK_PACKAGE 5
 178         ZOOM_package package;
 179 #define ZOOM_TASK_SORT 6
 180         struct {
 181             ZOOM_resultset resultset;
 182             ZOOM_query q;
 183         } sort;
 184     } u;
 185     ZOOM_task next;
 186 };
 187
 188 struct ZOOM_Event_p {
 189     int kind;
 190     ZOOM_Event next;
 191     ZOOM_Event prev;
 192 };
 193
 194 void ZOOM_options_addref (ZOOM_options opt);
 195 /*
 196  * Local variables:
 197  * c-basic-offset: 4
 198  * indent-tabs-mode: nil
 199  * End:
 200  * vim: shiftwidth=4 tabstop=8 expandtab
 201  */
 202