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84992e31e1
for completeness for later pop. Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Ira Cooper <ira@samba.org> Autobuild-User(master): Michael Adam <obnox@samba.org> Autobuild-Date(master): Thu Jul 14 02:02:33 CEST 2016 on sn-devel-144
130 lines
4.5 KiB
C
130 lines
4.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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Main metadata server / Spotlight routines
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Copyright (C) Ralph Boehme 2012-2014
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _MDSSVC_H
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#define _MDSSVC_H
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#include "dalloc.h"
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#include "marshalling.h"
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#include "lib/util/dlinklist.h"
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#include "librpc/gen_ndr/mdssvc.h"
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/*
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* glib uses TRUE and FALSE which was redefined by "includes.h" to be
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* unusable, undefine so glib can establish its own working
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* replacement.
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*/
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#undef TRUE
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#undef FALSE
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/* allow building with --picky-developer */
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wcast-qual"
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#include <gio/gio.h>
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#include <tracker-sparql.h>
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#pragma GCC diagnostic pop
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#define MAX_SL_FRAGMENT_SIZE 0xFFFFF
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#define MAX_SL_RESULTS 100
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#define MAX_SL_RUNTIME 30
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#define MDS_TRACKER_ASYNC_TIMEOUT_MS 250
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/******************************************************************************
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* Some helper stuff dealing with queries
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******************************************************************************/
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/* query state */
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typedef enum {
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SLQ_STATE_NEW, /* Query received from client */
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SLQ_STATE_RUNNING, /* Query dispatched to Tracker */
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SLQ_STATE_RESULTS, /* Async Tracker query read */
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SLQ_STATE_FULL, /* the max amount of result has beed queued */
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SLQ_STATE_DONE, /* Got all results from Tracker */
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SLQ_STATE_END, /* Query results returned to client */
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SLQ_STATE_ERROR /* an error happended somewhere */
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} slq_state_t;
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/* query structure */
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struct sl_query {
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struct sl_query *prev, *next; /* list pointers */
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struct mds_ctx *mds_ctx; /* context handle */
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slq_state_t state; /* query state */
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struct timeval start_time; /* Query start time */
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struct timeval last_used; /* Time of last result fetch */
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struct timeval expire_time; /* Query expiration time */
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struct tevent_timer *te; /* query timeout */
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int snum; /* share snum */
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uint64_t ctx1; /* client context 1 */
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uint64_t ctx2; /* client context 2 */
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sl_array_t *reqinfo; /* array with requested metadata */
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const char *query_string; /* the Spotlight query string */
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const char *sparql_query; /* the SPARQL query string */
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uint64_t *cnids; /* restrict query to these CNIDs */
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size_t cnids_num; /* Size of slq_cnids array */
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const char *path_scope; /* path to directory to search */
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GCancellable *gcancellable;
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TrackerSparqlCursor *tracker_cursor; /* Tracker SPARQL query result cursor */
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struct sl_rslts *query_results; /* query results */
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TALLOC_CTX *entries_ctx; /* talloc parent of the search results */
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};
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struct sl_rslts {
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int num_results;
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sl_cnids_t *cnids;
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sl_array_t *fm_array;
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};
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struct sl_inode_path_map {
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struct mds_ctx *mds_ctx;
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uint64_t ino;
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char *path;
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};
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struct mds_ctx {
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struct dom_sid sid;
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uid_t uid;
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const char *spath;
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GCancellable *gcancellable;
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TrackerSparqlConnection *tracker_con;
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GMainContext *gcontext;
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GMainLoop *gmainloop;
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struct sl_query *query_list; /* list of active queries */
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struct db_context *ino_path_map; /* dbwrap rbt for storing inode->path mappings */
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};
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/******************************************************************************
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* Function declarations
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******************************************************************************/
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/*
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* mdssvc.c
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*/
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extern bool mds_init(struct messaging_context *msg_ctx);
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extern bool mds_shutdown(void);
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extern struct mds_ctx *mds_init_ctx(TALLOC_CTX *mem_ctx,
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const struct auth_session_info *session_info,
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const char *path);
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extern int mds_ctx_destructor_cb(struct mds_ctx *mds_ctx);
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extern bool mds_dispatch(struct mds_ctx *query_ctx,
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struct mdssvc_blob *request_blob,
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struct mdssvc_blob *response_blob);
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extern char *mds_dalloc_dump(DALLOC_CTX *dd, int nestinglevel);
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#endif /* _MDSSVC_H */
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