X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=kernel%2Fkernel.h;h=704bb66854acd5e023217af12aefba707e90f652;hb=7b58e36bc4c5a57dec46408bbfb3707638dd967a;hp=185085e361617b18554fcabcae345df004561d8a;hpb=f6a107777079379b767452dc6ade3f56272af49e;p=egate.git diff --git a/kernel/kernel.h b/kernel/kernel.h index 185085e..704bb66 100644 --- a/kernel/kernel.h +++ b/kernel/kernel.h @@ -1,8 +1,118 @@ +/* + * Copyright (c) 1995, the EUROPAGATE consortium (see below). + * + * The EUROPAGATE consortium members are: + * + * University College Dublin + * Danmarks Teknologiske Videnscenter + * An Chomhairle Leabharlanna + * Consejo Superior de Investigaciones Cientificas + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation, in whole or in part, for any purpose, is hereby granted, + * provided that: + * + * 1. This copyright and permission notice appear in all copies of the + * software and its documentation. Notices of copyright or attribution + * which appear at the beginning of any file must remain unchanged. + * + * 2. The names of EUROPAGATE or the project partners may not be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * 3. Users of this software (implementors and gateway operators) agree to + * inform the EUROPAGATE consortium of their use of the software. This + * information will be used to evaluate the EUROPAGATE project and the + * software, and to plan further developments. The consortium may use + * the information in later publications. + * + * 4. Users of this software agree to make their best efforts, when + * documenting their use of the software, to acknowledge the EUROPAGATE + * consortium, and the role played by the software in their work. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE + * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF + * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA + * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND + * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE + * USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ /* Gateway kernel * Europagate, 1995 * * $Log: kernel.h,v $ - * Revision 1.1 1995/02/15 17:45:29 adam + * Revision 1.21 1996/02/12 10:04:52 adam + * The gateway doesn't try to reconnect if it is already known that + * it will fail (connect_fail flag introduced). + * + * Revision 1.20 1995/07/28 10:51:08 adam + * Bug fix: account from previous session had effect when new target command + * was executed. + * + * Revision 1.19 1995/07/11 11:49:12 adam + * LINE_MAX renamed to STR_LINE_MAX. + * + * Revision 1.18 1995/05/16 09:40:42 adam + * LICENSE. Setting of CCL token names (and/or/not/set) in read_kernel_res. + * + * Revision 1.17 1995/05/03 16:34:18 adam + * CCL def command, i.e. user definitions - saved as resource files. + * + * Revision 1.16 1995/05/03 07:37:37 adam + * CCL commands stop/continue implemented. New functions gw_res_{int,bool} + * are used when possible. + * + * Revision 1.15 1995/04/19 13:19:08 adam + * New command: account - for authentication. + * + * Revision 1.14 1995/04/19 10:46:18 adam + * Persistency works much better now. New command: status - history-like + * + * Revision 1.13 1995/04/19 07:31:04 adam + * First work on Z39.50 persistence. + * + * Revision 1.12 1995/04/17 09:34:29 adam + * Timeout (idletime) adjustable. Minor changes in kernel. + * + * Revision 1.11 1995/03/28 11:42:34 adam + * First use of string-queue utility. + * + * Revision 1.10 1995/03/27 08:24:01 adam + * First use of gip interface and gw-db. + * First work on eti program. + * + * Revision 1.9 1995/03/03 17:19:13 adam + * Smarter presentation. Bug fix in email header interpretation. + * + * Revision 1.8 1995/03/01 14:32:24 adam + * Better diagnostics. Default is, that only one database selected when + * several are known. + * + * Revision 1.7 1995/02/23 08:32:16 adam + * Changed header. + * + * Revision 1.5 1995/02/22 15:22:32 adam + * Much more checking of run-time state. Show command never retrieves + * more records than indicated by the previous search request. Help + * command available. The maximum number of records retrieved can be + * controlled now. + * + * Revision 1.4 1995/02/20 21:16:18 adam + * FML support. Bug fixes. Profile for drewdb. + * + * Revision 1.3 1995/02/16 18:35:08 adam + * First use of Zdist library. Search requests are supported. + * Present requests are not supported yet. + * + * Revision 1.2 1995/02/16 13:20:59 adam + * Organization of resource files for targets and conversion + * language implemented. + * + * Revision 1.1 1995/02/15 17:45:29 adam * First version of email gateway kernel. Email requests are read * from stdin. The output is transferred to an MTA if 'From' is * found in the header - or stdout if absent. No Z39.50 client is used. @@ -12,9 +122,87 @@ #include #include #include +#include + +#include +#if USE_FML +#include +#endif +#include + +#define STR_LINE_MAX 1024 -int urp (FILE *inf); +struct gw_user_set { + char *name; /* name of result set */ + int hits; /* -1 on error */ + char *database; /* database(s) in which we search */ + struct ccl_rpn_node *rpn; /* rpn request */ + int present_flag; /* present in target (presistency) */ + char *search_str; /* find request string */ + struct gw_user_set *prev; +}; + +struct gw_kernel_info { + CCL_bibset bibset; + GwRes kernel_res; + const char *default_res; + const char *override_res; + char target[128]; + char hostname[128]; + char account[128]; + int account_in_session; + int port; + int connect_failed; + const char *lang; + const char *override_portno; + const char *override_hostname; + char *databases; + char *database; + ZASS zass; + int command_no; + char from_str[STR_LINE_MAX+1]; + const char *reply_fname; + int setno; + int next_position; + int userid; +#if USE_FML + Fml fml; +#endif + struct gw_user_set *sets; +}; + +extern struct gw_kernel_info info; -extern CCL_bibset bibset; -extern GwRes kernel_res; extern FILE *reply_fd; + +int urp_start (int continuation, struct str_queue *queue); +int urp_command (struct str_queue *queue); +void urp_end (void); + +void read_kernel_res (void); + +struct gw_user_set *user_set_add (const char *name, int hits, + const char *database, + struct ccl_rpn_node *rpn, + int present_flag, + const char *search_str); +struct gw_user_set *user_set_search (const char *name); +void user_set_init (void); + +int lgets (char *buf, int max, int fd); + +const struct zass_searchent *zass_p_search (ZASS zass, + struct ccl_rpn_node *rpn, + const char *result_set, + const char *database, + struct gw_user_set *sets); +const struct zass_presentent *zass_p_present (ZASS zass, + const char *result_set, + int offset, int number); + +int load_p_state (int userid); +int save_p_state (int userid); +void del_p_state (int userid); +int reopen_target (void); + +#define KERNEL_LOG "kernel"